WO2002050439A1 - Structure de raccordement d'un boulon a resistance elevee, procede de fixation d'un ecrou a ladite structure, boulon a resistance elevee et a couple, et procede de raccordement utilisant ledit boulon - Google Patents
Structure de raccordement d'un boulon a resistance elevee, procede de fixation d'un ecrou a ladite structure, boulon a resistance elevee et a couple, et procede de raccordement utilisant ledit boulon Download PDFInfo
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- WO2002050439A1 WO2002050439A1 PCT/JP2001/011108 JP0111108W WO0250439A1 WO 2002050439 A1 WO2002050439 A1 WO 2002050439A1 JP 0111108 W JP0111108 W JP 0111108W WO 0250439 A1 WO0250439 A1 WO 0250439A1
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- Prior art keywords
- nut
- box
- strength
- port
- bolt
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 152
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 241001136800 Anas acuta Species 0.000 claims abstract description 56
- 238000009434 installation Methods 0.000 claims description 99
- 239000000463 material Substances 0.000 claims description 75
- 238000005304 joining Methods 0.000 claims description 73
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- 229910052751 metal Inorganic materials 0.000 claims description 48
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
- F16B37/064—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting with the use of separate rivets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/041—Releasable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
Definitions
- the present invention when constructing a steel structure building, uses a rectangular steel pipe or a box-shaped member having a square or circular cross section such as a steel pipe as a column material, and the box-shaped column has a splitty or an Applied in the bolted joint structure between a box-shaped column and an H-shaped beam to which an H-shaped beam (rolled material / welded assembly material) is attached via a metal joint such as a plate, an angle material, and a splint.
- the present invention relates to a high-strength porto joining structure and a nut fixing method, and a torcia-type high-strength bolt and a joining method using the porto.
- H-section steel columns and sections have been welded to columns
- square box sections such as square steel pipes with hollow square sections (including those obtained by welding plates and sections)
- a bidirectional rigid frame structure using an H-shaped cross-section beam is often used, and a through-diaphragm joint structure is generally used as the joint structure.
- the joint between the box-shaped column and the diaphragm, the joint between the diaphragm and the mounting portion of the H-shaped beam are performed by welding, and the connection between the mounting portion and the H-shaped beam is carried out through a base plate. This was done by bolt bonding.
- the split tee 2 was joined to the box-shaped column 1 with a special structure and an expensive one-sided bolt 3 (not shown in detail) without using a diaphragm.
- a joining structure that reduces the welding burden has been adopted.
- the high-strength bolts 5 used here include a set of structural torcia-type high-strength ports, hexagon nuts, and flat washers (hereinafter referred to as “Torcia-type”) specified in the Japan Steel Structure Association Standard (JSS II 09 1996). “High strength Porto” is often used.
- This torsia-type high-strength port has a structure as shown in FIGS. 38 (a) to 38 (c), which has a structure capable of introducing a predetermined tension to a bolt. That is, the torcia-type high-strength bolt 6 has a break neck 10 at the tip of a male screw forming portion that is screwed to a female screw of a nut 7 having a circular outer peripheral shape and a hexagonal outer peripheral shape. A pin tail 9 for torque control is formed through the pin tail 9.
- the bolt holes 13 of the steel materials 11 and 12 that join the torcia-type high-strength bolt 6 are used.
- the nut 7 is screwed into the protruding male thread through the washer 8, and the nut 7 is turned and tightened.
- a special fastener 14 as shown in (b) is used.
- the fastener 14 is provided with an outer sleeve 14 ⁇ to be engaged with the nut 7. It has a mechanism that interlocks with the inner sleeve 14 i that grips the pin tail 9 and applies a certain torque.
- this torsion-type high-strength bolt 6 is tightened with this fastener 14,
- the rotational torque of the nut is transmitted to the break neck 10 of the pin tail 9 as a reaction force, as shown in Fig. 39 (c).
- this part is broken by a certain torque.
- the breaking torque at this time can control the tension introduced into the high-strength bolt.
- This torcia-type high-strength port is used, for example, in the case of the above-described porto-joint structure of a rectangular box-shaped member and an H-shaped beam, when a split tee is bolted to a box-shaped column or when a split tee is used.
- the nut is screwed and tightened with the pin tail forming side outside the joining portion.
- the nut has a height approximately the same as the shaft diameter, and the end of the high-strength port's male screw portion projects outward by an amount equivalent to thread X3 when tightening is completed. Is normal, and it is necessary to interpose a washer.For example, in the case of a high strength porto with a shaft diameter of 22 mm, the dimension from the washer surface of the washer to the fracture surface of the break neck of the pin tail is about 35 mm.
- the steel member will protrude more than the outer surface of the joining hardware. The presence of such large protrusions not only hinders the fire-resistant coating and finishing work, but also impairs the aesthetics of bare steel frames, which is undesirable in design.
- a general high-strength bolt for example, a high-strength hexagonal bolt for friction joining specified in JIS B1186186 Structural torcia type high strength (Porto, etc.) cannot be joined by ordinary bolt joining.
- a one-sided bolt that can be joined from the outside of the box-shaped column is developed and put into practical use.
- a general high-strength bolt is inserted from the inside of the box-shaped column into the port hole provided in the box-shaped column by a special tool in advance at the factory or site, A method has also been proposed in which the tent is abutted against a box-shaped column and fixed.
- the former joint structure using a one-sided port is expensive and increases the cost of the joint, and in addition to having limited strength, it is not easy to control the introduction tension to the port, and large- A stable bolted joint structure could not be realized in the beam-column joint structure.
- the latter method has improved cost and strength compared to one-sided bolts.However, since the upper and lower split tees are fixed to the pillars before the beam is mounted, the beam at the site There is a restriction on the method of installation work, and there is a problem that the construction speed is reduced, resulting in an increase in construction costs.
- JP-A-6-33929, JP-A-6-101284, JP-A-7-14 No. 5638 discloses that a nut is fixed to the inside of a square steel tubular column and a port is inserted from the outside and tightened, but in such a port joint structure, the nut is provided with a collar. It is necessary to apply this force to the bolt holes from the inside of the square steel pipe column and deform it. There is.
- the conventional Torusia-type high-strength bolts described above could not be used substantially, simple tension could not be introduced into the port, and it was difficult to realize a stable porto joint structure.
- a high-strength bolt joint structure that can be fixed to the inside of the column and a high-strength bolt inserted from the outside to easily control the introduction of tension into the high-strength port, and a nut with a box-shaped section inside the column It has a structure that secures the port by tightening it by rotating the head side of the port, enabling the introduction of tension to the port on the bolt head side, and the head and head on the external side. And washer height due to washer It is an object of the present invention to provide a torcia-type high-strength bolt capable of reducing the height and a port joining method using the bolt. Disclosure of the invention
- the present invention has the following aspects (1) to (20) to achieve the above object.
- At least a plurality of high-strength bolted joints between the box-shaped section and the joint hardware, the female threaded end of the nut abutting on the inner side of the box-shaped section is larger in diameter than the internal thread diameter
- the female screw of The nut is fixed to the inside of the box-shaped section by screwing the male thread of the inserted nut holding part sleeve, and the high-strength bolt abuts on the outside of the box-shaped section.
- the height of the box-shaped cross-section member and the joint metal member is inserted into the port hole from the outside of the metal member, and the male screw portion is screwed with a nut fixed to the inside of the box-shaped cross-section member. Force porto joint structure.
- a sleeve is fixed to the nut located inside the box-shaped section at at least a plurality of high-strength bolt joints between the box-shaped section and the joint hardware.
- the nut is inserted into the port hole from the inside of the section and joined to the sleeve of the nut holding part on the outside, so that the nut is fixed to the inside of the box-shaped section and the high-strength bolt is attached to the box. It is inserted into the port hole from the outside of the metal fitting that is in contact with the outside of the cross section, and the external thread is screwed with the nut fixed to the inside of the box cross section.
- a sleeve having a locking projection at its tip is fixedly attached to the nut in at least a plurality of high-strength port joints between the box-shaped section material and the joint hardware. Inserted into the bolt hole from the inside of the The locking projection of the sleeve, which protrudes to the outside of the box-shaped section, is expanded and bent and locked to the outside of the box-shaped section, so that the nut becomes a box-shaped section.
- a nut with a high-strength port inserted into the bolt hole from the outside of the metal joint that abuts the outside of the box-shaped section, and a male thread fixed inside the box-shaped section A high-strength bolted joint between the box-shaped section material and the joint hardware, which is screwed to the joint.
- At least a plurality of high-strength port joint portions between the box-shaped section member and the joint metal are engaged with the locking claws of the nut holding component on the outer periphery of the nut, and the sleeve of the nut holding component is engaged.
- the nut that is inserted into the port hole from the inside of the box-shaped section and protrudes to the outside is expanded and bent to lock the box-shaped section on the outside, so that the nut is formed into a box-shaped section.
- the high-strength bolt is fixed to the inside of the box, the high-strength bolt is inserted into the bolt hole from the outside of the joint metal that abuts the outside of the box-shaped section, and the male thread is fixed to the inside of the box-shaped section
- Nuts are fixed to the inside of the box-shaped section by bonding at least at multiple high-strength bolt joints between the box-shaped section and the joint hardware.
- a box-shaped section member which is inserted into a bolt hole from the outside of a metal joint abutted on the outside and a male screw portion is screwed with a nut fixed to the inside of the box-shaped section member.
- the nut is fixed to the inside of the box-shaped cross-section member by pushing the locking hook at the tip of the sleeve of the nut holding part inserted into the bolt hole into this locking edge and locking it.
- the high-strength bolt comes in contact with the outside of the box-shaped
- the high-strength port used is provided with a torque control mechanism on the head and a washer on the head seat surface.
- At least a plurality of high-strength bolted joints between the box-shaped section and the joint hardware use the nuts for the nuts installed on the inside of the box-shaped section and the male threads for the nuts.
- the nut installation port is inserted into the bolt hole from the inside of the box-shaped section material, and is held in a state of protruding to the outside, and the nut is bonded to the inside of the box-shaped section material by bonding.
- a method for fixing a nut to the inside of a box-shaped section material characterized by temporarily fixing and fastening a nut installation port.
- a high-strength bolt that has a male screw that engages with a female screw and that can be tightened by engaging a fastener that operates in conjunction with the inner sleeve and the outer sleeve on the head side.
- a pin tail for torque control is formed at the tip of the head, and a break neck is formed between the head and the pin tail by a fracture groove.
- the outer circumference of the head has a large diameter and a square outer washer.
- the pintail is gripped by the inner sleeve of the fastener, and the washer is engaged with the outer sleeve and tightened. Torusia type high strength bolt.
- a torcia-shaped high-strength porto characterized by:
- a pin tail for a torque controller is formed at the tip of the head, and a break neck is formed between the head and the pin tail by a break groove.
- This is a bolt joining method for steel materials, in which a male screw is screwed into a female screw on a fixed side and a bolt is tightened between the seat surface of the bolt head and a steel material to be joined.
- the outer peripheral diameter of the outer peripheral square washer is large.
- the torcia-type high-strength bolt is a tap bolt
- the torsion-type high-strength bolt is a steel material to be joined, which is formed with a female screw for screwing a male screw.
- FIG. 1 is an example of a joint structure of a box-shaped column and a split tee using a torcia-type high-strength porto in Example 1 of the present invention, and is a partially cutaway side cross-sectional explanatory view showing a state in which final tightening is completed.
- FIG. 2 (a) is a partially cutaway side view showing an example of the structure of the nut used in FIG.
- FIG. 2B is an explanatory view taken along the line Aa-Ab in FIG. 2A.
- FIG. 3 (a) is a front view of the nut holding component used in FIG. 1.
- FIG. 3 (b) is a partially cutaway side view of FIG. 3 (a).
- FIG. 4 (a) is an explanatory side view showing an example of the structure of the torcia-type high-strength bolt of the present invention used in FIG. 1 and the washer on the side of the bolt head.
- FIG. 4 (b) is an explanatory view of FIG. 4 (a) taken along the line Ba--Bb.
- FIG. 5 (a) is an explanatory side view showing a structural example of a nut installation bolt used to fix the nut inside the box-shaped column.
- FIG. 5 (b) is a side explanatory view showing a structural example of another nut installation bolt used for fixing the nut inside the box-shaped column.
- FIG. 6 is a partially cutaway side view showing a state in which a nut is screwed into a nut installation port used in an example of a fixing method in a process of obtaining the high-strength bolt joint structure of FIG.
- Fig. 7 (a) is an explanatory view showing the procedure for fixing the nut using the nut installation port shown in Fig. 5 in the process of obtaining the high-strength port connection structure shown in Fig. 1. It is a partially notched cross-sectional side view showing a state of being inserted into a bolt hole of a column having a cross section.
- FIG. 7 (b) is an explanatory view showing the procedure for fixing the nut using the nut installation bolts shown in Fig. 5 in the process of obtaining the high-strength bolt joint structure shown in Fig. 1.
- FIG. 6 is a partially cutaway side view showing a state in which a nut holding component is inserted from the outside into a nut side sleeve inserted into the bolt hole of FIG.
- FIG. 7 (c) is an explanatory view showing the procedure for fixing the nut using the nut installation port shown in Fig. 5 in the process of obtaining the high-strength port connection structure shown in Fig. 1.
- the nut holding part is screwed onto the nut.
- FIG. 4 is a partially cut-away side view showing a state in which a nut installation bolt is removed from the nut.
- Fig. 8 (a) is an explanatory view showing an example of a high-strength porto joining method of a box-shaped column and a split tee in which the nut is fixed with holding parts in the process of obtaining the high-strength porto joint structure of Fig. 1.
- FIG. 4 is an explanatory side sectional view showing a state in which a split tee is in contact with a box-shaped column.
- FIG. 8 (b) shows a high-strength Porto joint between a box-shaped column in which the nut was fixed with holding parts and a split tee in the process of obtaining the high-strength Porto joint structure in Fig. 1.
- FIG. 4 is an explanatory view showing an example of the jointing method, and is a side sectional explanatory view showing a state in which a torcia-type high-strength bolt having a washer inserted from the outside of the split tee is inserted into a bolt hole.
- FIG. 8 (c) is an explanatory drawing showing an example of a high-strength porto joining method of a box-shaped cross-section column and a split tee in which the nut was fixed with holding parts in the process of obtaining the high-strength bolted joint structure in Fig. 1.
- FIG. 4 is an explanatory side sectional view showing a state in which the torcia-type high-strength bolt is fully tightened with a fastener for interlocking an inner sleeve and an outer sleep (immediately before completion of tightening).
- FIG. 9 is an explanatory side cross-sectional view showing a state in which final tightening is completed in an example of a joint structure of a box-shaped column and a split tee using a torcia-type high-strength bolt in Example 2 of the present invention.
- FIG. 10 (a) is a partially cutaway side view explanatory view showing a structural example of the nut with a sleeve used in FIG.
- FIG. 10 (b) is an explanatory view of FIG. 10 (a) taken along the arrow line Ca—Cb.
- FIG. 11 (a) is an explanatory front view of the nut holding component used in FIG.
- FIG. 11 (b) is a partially cutaway side view of FIG. 11 (a).
- FIG. 12 is an explanatory side view showing a state in which the nut is screwed into a nut installation bolt used in the example of the method of fixing the nut in the process of obtaining the high-strength porto-joined structure of FIG.
- FIG. 13 (a) is an explanatory drawing showing the procedure for fixing a nut using a nut installation port in the process of obtaining the high-strength port connection structure shown in Fig. 9.
- FIG. 3 is an explanatory side view, partially cut away, showing a state of being inserted into the device.
- FIG. 13 (b) is an explanatory view showing the procedure for fixing a nut using a nut installation port in the process of obtaining the high-strength port connection structure shown in Fig. 9.The nut installation bolt is pulled to remove the nut holding part.
- FIG. 4 is an explanatory side view, partially cut away, showing a state of being inserted into a nut side sleeve.
- Fig. 13 (c) is an explanatory view showing the procedure for fixing a nut using a nut installation port in the process of obtaining the high-strength porto joint structure shown in Fig. 9.The nut is attached to a box-shaped column with a nut holding part.
- FIG. 6 is a partially cutaway side sectional view showing a state in which a nut installation bolt has been removed from the nut after being fixed at.
- FIG. 14 is an explanatory side sectional view showing a state in which final tightening has been completed in an example of a joint structure of a box-shaped column and a split tee using a torcia-type high-strength port in Embodiment 3 of the present invention.
- FIG. 15A is an explanatory side view showing an example of the structure of the nut used in FIG.
- FIG. 15 (b) is an explanatory view taken along the line Da-Db in FIG. 15 (a).
- FIG. 16 is an explanatory side view showing a state in which a nut is screwed into a nut installation port used in an example of a method of fixing a nut in the process of obtaining the high-strength porto joint structure of FIG.
- FIG. 17 (a) is an explanatory view showing the procedure for fixing the nut using the nut installation port in the process of obtaining the high-strength port connection structure shown in Fig. 14.
- the nut installation port is connected to the bolt hole of the box-shaped column.
- FIG. 4 is an explanatory side view, partially cut away, showing a state inserted in FIG.
- FIG. 17 (b) is an explanatory diagram showing the procedure for fixing a nut using a nut installation port in the process of obtaining the high-strength bolt joint structure in Fig. 14.The nut installation bolt is pulled to pull the nut.
- FIG. 4 is a partially cutaway cross-sectional side view showing a state where a washer-equivalent portion is adhered to an inner surface of a box-shaped column.
- FIG. 17 (c) is an explanatory view showing the procedure for fixing the nut using the nut installation port in the process of obtaining the high-strength porto joint structure shown in Fig. 14.After attaching the nut to the box-shaped column, FIG. 4 is a partially cutaway side view showing a state where a nut installation bolt is removed from the nut.
- FIG. 18 is an explanatory side sectional view showing an example of climbing when the temporary fixing nut is screwed into the nut setting bolt and lightly tightened through the state of FIG. 17 (b).
- FIG. 19 is an explanatory side sectional view showing a state in which final tightening has been completed in an example of a joint structure of a box-shaped column and a split tee using a torcia-type high-strength port in Example 4 of the present invention.
- FIG. 20 is an explanatory side view showing a state in which a nut to which a sleeve is fixed is screwed to a nut installation port used in an example of a method for fixing a nut in a process of obtaining the high-strength bolted structure of FIG.
- FIG. 21 (a) is an explanatory drawing showing an example of a method of fixing a nut using a nut installation port in the process of obtaining the high-strength bolted joint structure in Fig. 19 (procedure).
- FIG. 4 is a partially cutaway cross-sectional side view showing a state of being inserted into a bolt hole of a column.
- FIG. 21 (b) is an explanatory view showing an example of a method of fixing a nut using a nut installation bolt in the process of obtaining the high-strength bolted joint structure of Fig. 19 (procedure).
- FIG. 4 is a partially cutaway side view showing a state in which a sleeve fixed to a washer-equivalent portion of the gate is bonded to a port hole of a box-shaped column.
- FIG. 21 (c) is an explanatory view showing an example of a method of fixing a nut using nut installation bolts (procedure) in the process of obtaining the high-strength bolted joint structure in Fig. 19 (procedure).
- FIG. 4 is a partially cutaway side view showing a state where the nut installation port is removed from the nut after fixing.
- FIG. 22 is an explanatory side sectional view showing a state in which final tightening has been completed in an example of a joint structure of a box-shaped column and a split tee using a torcia-type high-strength bolt in Example 5 of the present invention.
- FIG. 23 (a) is a partially sectional side view showing an example of the structure of the nut with a sleeve used in FIG.
- FIG. 23 (b) is an explanatory view taken along the line Ea-Eb in FIG. 23 (a).
- Fig. 24 shows the nut with the sleeve fixed to the nut installation bolt used in the example of the method of fixing the nut in the process of obtaining the high-strength port joint structure of Fig. 22. It is a side explanatory view showing the state where it was screwed.
- FIG. 25 (a) is an explanatory diagram showing the procedure for fixing a nut using a nut-installed port in the process of obtaining the high-strength porto-joined structure of Fig. 22.
- FIG. 4 is an explanatory side view, partially cut away, showing a state inserted in FIG.
- FIG. 25 (b) is an explanatory view showing the procedure for fixing the nut using the nut installation bolts in the process of obtaining the high-strength porto joint structure shown in Fig. 22.
- FIG. 9 is an explanatory side view, partially cut away, showing a state in which the protrusion of the sleeve protruding from the outer surface is started to be expanded and bent by a jig.
- FIG. 25 (c) is an explanatory view showing the procedure for fixing the nut using the nut installation bolts in the process of obtaining the high-strength porto-joined structure shown in Fig. 22.
- the nut-side sleeve is attached to the outer surface of the box-shaped column.
- FIG. 5 is a partially cutaway side sectional view showing a state in which a nut installation port is removed from the nut after the protrusion of the nut is expanded, bent, locked and fixed.
- FIG. 26 is an explanatory side sectional view showing a state in which the final tightening has been completed in an example of a joint structure of a box-shaped column and a split tee with a torcia-type high-strength bolt in Embodiment 6 of the present invention.
- FIG. 27 (a) is a partially cutaway side view showing a structural example of the nut and the nut holding component used in FIG. 26.
- FIG. 27 (b) is an explanatory diagram of FIG. 27 (a) viewed from the direction of arrows F—Fb.
- Fig. 28 is a partial view showing a state where a nut to which a nut holding component is fixed is screwed to a nut installation port used in the example of a method of fixing a nut in the process of obtaining the high-strength porto joint structure of Fig. 26. It is a notch cross section side explanatory drawing.
- Fig. 29 (a) is an explanatory view showing the procedure for fixing the nut using the nut installation bolts in the process of obtaining the high-strength porto joint structure shown in Fig. 26. Partially notched cross section showing inserted state It is an explanatory side view.
- FIG. 29 (b) is an explanatory view showing the procedure for fixing a nut using a nut installation port in the process of obtaining the high-strength port connection structure shown in Fig. 26.
- FIG. 4 is a partially cutaway side sectional view showing a state in which a projection of a nut holding component protruding from the outer surface of the nut starts to be expanded and bent by a jig.
- FIG. 29 (c) is an explanatory view showing the procedure for fixing a nut using nut installation bolts in the process of obtaining the high-strength bolted joint structure in Fig. 26.
- the nut holding parts are attached to the outer surface of the box-shaped column.
- FIG. 5 is a partially cutaway side sectional view showing a state in which a nut mounting bolt is removed from the nut after the protrusion of the sleeve is expanded and bent and locked and fixed.
- FIG. 30 is an explanatory side sectional view showing a state in which final tightening has been completed in an example of a joint structure of a box-shaped column and a split tee using a torcia-type high-strength port in Example 2 of the present invention.
- FIG. 31 (a) is a partially cutaway side view showing an example of the structure of the nut used in FIG.
- FIG. 31 (b) is an explanatory view taken along the line Ga—Gb in FIG. 31 (a).
- FIG. 32 (a) is an explanatory front view showing a structural example of the nut holding component used in FIG.
- FIG. 32 (b) is an explanatory side view of FIG. 32 (a).
- Fig. 33 is a side view showing a state in which a nut to which a nut holding part is fixed is screwed to a nut installation bolt used in the example of a method of fixing a nut in the process of obtaining the high-strength bolt joint structure of Fig. 30.
- FIG. 33 is a side view showing a state in which a nut to which a nut holding part is fixed is screwed to a nut installation bolt used in the example of a method of fixing a nut in the process of obtaining the high-strength bolt joint structure of Fig. 30.
- Fig. 34 (a) is an explanatory view showing the procedure for fixing the nut using the nut installation bolts in the process of obtaining the high-strength porto joint structure shown in Fig. 30.
- FIG. 3 is an explanatory side view, partially cut away, showing a state of being inserted into the device.
- Fig. 34 (b) is an explanatory view showing the procedure for fixing the nut using the nut installation port in the process of obtaining the high-strength port connection structure shown in Fig. 30.
- FIG. 4 is a partially cutaway side view showing a state in which a nut holding component inserted into a nut installation port protruding from an outer surface is inserted into a port hole.
- FIG. 34 (c) is an explanatory view showing the procedure for fixing a nut using a nut installation port in the process of obtaining the high-strength bolted joint structure in Fig. 30.
- FIG. 4 is an explanatory view of a partially cut-away cross-sectional side showing a state in which the vehicle is passing through a retaining edge.
- FIG. 34 (d) is an explanatory drawing showing the procedure for fixing the nut using the nut installation bolts in the process of obtaining the high-strength porto joint structure shown in Fig. 30.
- FIG. 4 is a partially cutaway cross-sectional side view showing a state in which the port for setting the port has been removed from the nut.
- FIG. 35 (a) shows an example of the use of the torcia-type high-strength port of the present invention.
- FIG. 35 (b) is an explanatory side sectional view showing a state where the tightening of FIG. 35 (a) is completed.
- FIG. 36 (a) shows another example of the use of the torcia-type high-strength port of the present invention.
- FIG. 36 (a) is a side showing a state immediately before completion of tightening in a steel-to-steel port-joint structure example used as a tap bolt. It is sectional explanatory drawing.
- FIG. 36 (b) is an explanatory side sectional view showing a state where the tightening of FIG. 36 (a) is completed.
- FIG. 37 is a three-dimensional explanatory view showing an example of a conventional high-strength bolted joint structure between a box-shaped column and an H-shaped beam.
- Fig. 38 (a) is an illustration of Porto of a conventional torcia-type high-strength bolt set.
- Fig. 38 (b) is an illustration of the nut of a conventional torcia-type high-strength port set.
- FIG. 38 (c) is an explanatory view of a washer of a conventional torcia-type high-strength port set.
- FIG. 39 (a) is an explanatory view showing an example of a port fastening method in a conventional port joining structure using a torcia high-strength bolt, and is a sectional side view showing a state in which the nut has been primarily fastened.
- Fig. 39 (b) is an explanatory side sectional view showing an example of a bolt tightening method in a conventional porto-joining structure using a torcia high-strength bolt, where the inner sleeve and outer sleeve are fully tightened with a fastener that operates in conjunction.
- FIG. 4 is an explanatory side sectional view showing a state in which the device is in a position.
- Fig. 39 (c) is a side cross-sectional view showing an example of a port tightening method in a conventional port-joining structure using a torcia high-strength bolt, and is a side cross-sectional view showing a state in which final tightening with a fastener has been completed. is there.
- the high-strength porto joint structure and the method of fixing a nut according to the present invention mainly include a box-shaped cross section column and an H-shaped cross section using a jointed material such as a split tee, an end plate, an angle material, and a base plate. This method is applied to high strength porto joints of beams, especially when high strength porto joints are used between box-shaped columns and metal joints.
- a nut here, a single nut, a nut integrally formed with a washer, and a nut integrated with an independent washer
- the “nut” is fixed in advance to the inside of the box-shaped column, and a split tee is attached to the outside of the box-shaped column (hereinafter, “joint metal” is referred to as a “split tee”).
- joint metal is referred to as a “split tee”.
- a torsia-type high-strength port with a torque control mechanism on the head side is mainly used.
- a special fastener different from the conventional fastener is used.
- the nut is fixed inside the box-shaped column, for example, the present applicant A special device (a port transfer device and a draw-out jig) as disclosed in Japanese Patent Application Laid-Open No. 2000-213070, filed by the Company, can be used.
- the nut mounting bolts into which the nuts are screwed are referred to as bolts, which are set upright and transported to the position of the port hole in the box-shaped column by the port transport device. Hold the nut screwed to the nut installation port inside the box-shaped column with the tip pulled up to the outside by the pull-out jig inserted into the bolt hole from the side. It can be fixed inside the box-shaped column by fixing means such as parts, sleeves and adhesives.
- the nut holding parts and sleeves used here are mainly made of metal or plastic. If the nut holding parts are made of metal and the front and back surfaces of the flange part are the joining surfaces, this flange is used. It is preferable that the outer diameter of the portion be two to three times the port shaft diameter.
- the high strength port is mainly made of a torcia-type high strength port with a torque control port mechanism on the head side.
- a part bolt or a high-strength hexagonal port can also be used.
- Embodiment 1 of the present invention will be described in detail with reference to FIGS. 1 to 8C.
- an H-shaped beam (shown in the figure) is formed by joining a column made of a rectangular box-shaped section material (hereinafter, referred to as a “box-shaped section column”) 1 through a split tee 2 that is a metal joint.
- a column made of a rectangular box-shaped section material hereinafter, referred to as a “box-shaped section column”
- split tee 2 that is a metal joint.
- FIG. 1 shows an example of a high-capacity joint structure between a box-shaped column 1 and a split tee 2 according to the present invention, in which the joining with the torcia-type high-strength bolts 6 of the present invention has been completed.
- the split tee 2 When an H-shaped beam is mounted on the box-shaped column 1, the split tee 2 is used as a pair of upper and lower beams for one H-shaped beam.
- the cutty 2 is joined to the box-shaped column 1 by a plurality of high-strength ports, but here, as a high-bolt, it is different from the conventional torcia-type high-strength bolts.
- Torsional high-strength bolt 6 ⁇ of the present invention In the example of the porto joint structure used, one torcia-type high-strength bolt 6 is shown in the center as a representative explanation. The same applies to the description of Examples 2 to 7 below.
- reference numeral 15 denotes a nut fixed to the inner side of the box-shaped cross-section column 1, which is formed integrally with the washer as shown in FIGS. 2 (a) and 2 (b). It has a small-diameter female screw 15 s and a large-diameter female screw 15 o on the washer-equivalent portion 15 z side.
- Numeral 16 denotes a nut holding part used to hold the nut 15 inside the box-shaped column 1.
- the nut holding part 16 is made of metal and includes a sleeve part 16a and a flange part 16b as shown in FIGS. 3 (a) and 3 (b), and a male screw is provided at the tip of the sleeve part 16a. 16 s.
- the sleeve 16 a of the nut holding part 16 is inserted into the bolt hole 17 from the outside of the box-shaped column 1, and the male screw 16 s is a part equivalent to the washer 15 of the nut 15, and the large diameter female screw 15 z ⁇ , and the flange 16 b is locked on the outer side of the box-shaped column 1.
- the front and back surfaces of the flange 16b are joint surfaces between the box-shaped cross-section pillar 1 and the inner surface of the split tee 2
- the outer diameter do is set to the torcia height in order to obtain a stable joint surface. It is set to be 2 to 3 times the shaft diameter of the force bolt 6 ⁇ .
- This torcia-type high-strength porto 6 ⁇ has a male screw 6 s that is screwed into the female screw 15 s of the nut 15, as shown in FIGS. 4 (a) and 4 (b).
- a pin tail 18 for tension control is formed in the part 6 t, and a break neck 19 is formed between the head 6 t and the pin tail 18 by a break groove. This is different from the conventional torsional high-strength port 6 shown in Figs. 38 (a) to 38 (c).
- a hexagonal washer 20 is interposed and abutted on the bearing surface 6f of the head 6t of the torcia-type high-strength bolt 6 ⁇ .
- This washer is shown in Figs. 4 (a) and 4
- the outer peripheral shape is hexagonal, the diameter is larger than the outer diameter of the bolt head 6 t, and it does not interfere with the Porto head 6 t when tightening with the fastener 21. is there.
- the washer 20 is engaged with the outer sleeve 21 o of the fastener 21 when the torcia-type high-strength bolt 6 is tightened with the fastener 21 (see FIG. 8 (c)). Hold the pin tail 18 of the bolt head 6 t with the sleeve 21 i and turn it around to break the break neck 19 with a predetermined breaking torque by the rotating torque as a reaction force from the washer 20, and control the tension introduced to the bolt. It plays an important role in trolling.
- an installation port 22 having an external thread 22s formed on one side and a grip 22a formed on the other end is provided (or, as shown in FIG. 5 (b)). It is also possible to use a nut installation bolt 23 in which a male screw 23 s is formed on the entire surface of the main body and a grip portion 23 a is formed on the other end as shown in Fig. 6). Then, screw the small-diameter female screw 15 s of the nut 15 into the male screw 22 s, and hold the nut-porting port 22 on the gripping part side in a box shape. The nut 15 is fixed in a state of protruding from the inside of the column 1 to the outside via the bolt hole 17.
- a port transfer apparatus and a draw-out jig (not shown) disclosed in Japanese Patent Application Laid-Open No. 2000-213070 filed by the present applicant can be used.
- the nut installation port 22 is mounted on a bolt transfer device with the gripping portion 22a facing upward, and is moved to a predetermined position (immediately below the port hole 17) inside the box-shaped section column 1, and As shown in Fig. 7 (a), insert the gripping part 24a of the drawing jig 24, which has passed through the nut holding part 16 (sleeved part 16a) in advance into the bolt hole 17 of the column 1 Then, the grip 22 a of the nut installation bolt 22 was gripped and pulled up, and as shown in FIG. 7 (b), the seat surface of the washer 15 z of the nut 15 was pressed against the inner surface of the box-shaped column 1.
- the sleeve 16a of the nut holding component 16 is inserted into the port hole 17, and the male screw 16s of the sleeve 16a is inserted into the nut 15 equivalent to the washer 15z of the nut 15. And tighten it.
- the flange 16b of the nut holding part 16 is locked to the outer surface of the box-shaped section column 1, so that the nut 15 is formed into a box-shaped section as shown in FIG. 7 (c). It can be securely fixed to the inner side of the pillar 1.
- the nut setting bolt 22 is to be removed from the nut 15 as needed after the nut is fixed.
- the nut 15 can be fixed to the inside of the box-shaped column 1 without using the above-mentioned nut installation bolts when the joint is within reach of the worker.
- the nut 15 is fixed to the inside of the box-shaped column 1 using the nut holding part 16, and the nut installation bolt 22 is removed from the nut 15.
- the split tee 2 is placed outside the box-shaped column 1 with the port holes 17 of the box-shaped column 1 and the split tee 2 (both hole holes 17 are not necessarily the same in diameter).
- the torcia-type high-strength bolt 6 ⁇ with the washer 20 inserted into it is inserted from the outside of the split tee 2 as shown in Fig. 8 (b). 17.
- Sleeve part of nut holding part 16 Insert through 16a and screw male screw 6s to small diameter female screw 15s of nut 15 fixed inside box-shaped section column 1. To perform primary tightening.
- the fastener 21 having a mechanism for operating the inner sleeve 21i and the outer sleeve 21 ⁇ in conjunction with each other.
- the fastener 21 is basically based on the same principle as the known fastener 14 shown in FIGS. 39 (b) to 39 (c), for example.
- the inner sleeve 21 i that grips and rotates 18 and the outer sleeve 21 ⁇ that engages with the washer 20 that is in contact with the bearing surface 6 f of the head 6 t of the head 6 t of the torcia-type high-strength port 6 a are operated in conjunction with each other. It has a mechanism and is not the same as the known fastener 14.
- the nut holding part 16 is unnecessary after the tightening of the torcia-type high-strength bolt 6 ⁇ has been completed, but it does not hinder if left as it is.
- the port can be tightened on the outside side, it is expensive even at the construction site. There is no need to use a one-sided bolt, and the cost can be significantly reduced.
- the port tightening work can be performed in parallel with the mounting of the ⁇ -shaped beam to the box-shaped column 1 via the split tee 2 at the column construction site, the mounting work of the ⁇ -shaped beam Good workability can be ensured without any restrictions.
- a torsia-type high-strength bolt 6 ⁇ with a pin tail 18 for torque control is used on the 6 t side of the head, a nut 15 is fixed to the inside of the box-shaped section column 1 and When tightening the bolt head by turning the 6 t side, the introduced tension force on the bolt can be easily controlled, and a stable joint structure can be realized.
- Embodiment 2 of the present invention will be described in detail with reference to FIGS. 9 to 13C.
- the second embodiment differs from the first embodiment in the method of fixing the nut 15 (structure).
- the detailed description of the parts common to the first embodiment is omitted.
- FIG. 9 shows a state in which the joining with the torcia-type high-strength bolts 6 has been completed in the example of the high-cabolted joining structure of the box-shaped column 1 and the split tee 2 according to the present invention.
- 15 is the box-shaped column 1 This is a nut with a female screw 15 s fixed on the side, and as shown in Fig. 10 (a) and Fig. 10 (b), here it is formed integrally with the washer equivalent part 15z, The sleeve 25 is fixed to the part 15z.
- This sleep 25 is made of metal and has its base end fitted and adhered into the hole of the washer-equivalent part 15 z, and has a box-shaped cross section with an outer diameter slightly smaller than the porthole 17.
- the sleeve 25 is inserted into the port hole 17 of the column 1, and the sleeve 25 has the sleeve portion 26 a of the nut holding part 26 inserted into the port hole 17 from the outside of the box-shaped column 1.
- the inner peripheral surface of the sleeve 25 and the outer peripheral surface of the sleeve 26a are joined by the adhesive b.
- the nut holding part 26 is made of metal, and includes a sleeve part 26a and a flange part 26b as shown in FIGS. 11 (a) and 11 (b).
- the inner diameter of the shaft is slightly larger than the shaft diameter of the torcia-type high-strength bolt 6 ⁇ , and the male screw 6 s can be easily inserted.
- the flange 26b locks the nut 15 to the outer surface of the box-shaped column 1; however, in this case, since the front and back surfaces serve as joining surfaces, the outer surface is used to provide a stable joining surface.
- the diameter do is set to two to three times the shaft diameter of the torcia-type high-strength bolt 6 ⁇ .
- the sleeve portion 26a may have a slightly tapered shape so that it can be easily inserted into the sleeve 25 on the nut 15 side.
- the sleeve 26a of the nut holding part 26 is inserted and adhered to the sleeve 25 fixed to the washer-equivalent portion 15z from the outer surface of the box-shaped column 1 and the flange 26b is attached to the box-shaped column.
- the nut 15 is securely fixed to the inner side of the box-shaped section column 1 via the sleeve 25 and the nut holding part 26 by being locked to the outer surface of the column 1.
- the torcia-type high-strength Porto 6 string has a washer 20 inserted therein and is the same as that of the first embodiment. Insert the male screw 6 s with the female screw 15 s of the nut 15 fixed to the inside of the column 1 The box-shaped column 1 and the split tee 2 were joined together by tightening at the head 6 t side using the same fastener 21 as in Example 1. The sleeve 25 on the nut 15 and the nut holding part 26 are unnecessary after the tightening of the torcia-type high-strength bolt 6 ⁇ is completed. Absent.
- the sleeve 26a of the nut holding part 26 is inserted into the bolt hole 17 from the outside of the box-shaped column 1 and inserted into the sleeve 25 on the nut side, and the outer peripheral surface of the sleeve 26a is nutted.
- Adhesive b is adhered to the inner peripheral surface of the sleeve 25 on the G side.
- the nut shown in Fig. 5 (b) has a total screw length of 23 s to prevent the product from falling off due to impact during transport. It is also possible to use the installation port 23 and remove the nut installation port 23 without removing the nut installation port 23, and screw the nut temporarily into the nut installation port 23 from the outside and tighten it by hand-tightening to transport it to the site.
- the sleeve 25 of the nut 15 and the sleeve 26a of the nut holding part 26 are bonded and fixed.
- a female screw is formed on the inner periphery of the sleeve 25 to form a sleeve.
- a male screw is formed on the outer circumference of the leap 26a and screwed together.
- ⁇ It is fixed, or a fitting part (unevenness) is formed on the inner circumference of the sleep 25 and the outer circumference of the sleeve 26a. it may also be in to lock ⁇ fixed pivots Rere c
- the port-joint structure of the box-shaped column 1 and the split tee 2 using the torcia-type high-strength Porto 6 ⁇ of the second embodiment increases the number of parts and the bonding work compared to the first embodiment. Although slightly larger, almost the same effect can be obtained.
- the third embodiment differs from the first and second embodiments in the method of fixing the nut 15 (structure). Detailed description of portions common to the first and second embodiments will be omitted.
- Fig. 14 shows a high columnar box-shaped column 1 and a split tee 2 according to the present invention. This shows a state in which the joining by the torcia-type high-strength port 6a is completed in the example of the joining structure of the port.
- reference numeral 15 denotes a nut having a female screw 15 s adhered and fixed to the inner side of the box-shaped column 1, as shown in FIGS. 15 (a) and 15 (b).
- the torcia-type high-strength bolt 6 ⁇ which has a shape molded integrally with z and is adhered and fixed to the inner side of the box-shaped column 1 with an adhesive b, has a washer 20 inserted therein.
- a joining method for obtaining a porto joint structure between the box-shaped column 1 and the split tee 2 of the third embodiment will be described with reference to FIGS. 16 to 17C.
- This method uses the same device as in Examples 1 and 2 and the nut installation port 22.
- the nut installation port 22 has external threads 22s and the washer-equivalent portion 15z has a seat surface.
- the female screw 15 s of the nut 15 to which the adhesive b has been applied is screwed, and the nut installation bolt is carried to a predetermined position inside the box-shaped section column 1.
- Fig. 17 (a) insert the gripper 24a of the draw-out jig 24 from outside the porthole 17 of the box-shaped column 1 and grip the gripper 22a of the nut installation port 22. Then, as shown in Fig. 17 (b), the washer-equivalent portion 15z of the nut 15 is pressed against the inner surface of the box-shaped column 1 and the seat surface is bonded and fixed with the adhesive b. After the parts are fully adhered to each other and fixed, turn the nut 22 a of the nut installation bolt 22 as shown in FIG. Remove the port installation port 22 from the nut 15. In this way, the nut 15 can be fixed inside the box-shaped section pillar 1.
- the nut 15 is bonded and fixed to the inner side of the box-shaped column 1.
- the structure is simple, and the fixing work of the nut is also simple.
- Other effects are almost the same as those of the first and second embodiments.
- the present invention is applied to a high-strength bolt joint structure between a box-shaped column 1 and a split tee 2.
- FIG. 19 shows a state in which bolt joining has been completed in the example of a high-port joint structure of the box-shaped column 1 and the split tee 2 according to the present invention.
- the fourth embodiment differs from the first to third embodiments in the structure for fixing the nut to the inside of the box-shaped column 1. A detailed description of other common parts is partially omitted.
- reference numeral 15 denotes a nut having an internal thread 15 s fixed to the inner side of the box-shaped column 1, which is formed integrally with the washer-equivalent portion as in Examples 1 to 3, and is equivalent to a washer.
- the sleeve 28 is fixed to the part 15z.
- the sleeve 28 is made of metal and has its base end inserted and adhered into the hole of the washer-equivalent portion 15z, and is fixed. 1 is inserted into the bolt hole 17 and the outer peripheral surface is bonded by the adhesive b. It should be noted that the bonding can be performed using a normal adhesive.
- the torcia-type high-strength bolts 6 have washers 20 inserted therein and are the same as in Examples 1 to 3, and are ported from the outside of the split tee 2 abutting on the outside of the box-shaped column 1. Insert the male screw 6 s into the hole 17, and glue it to the inside of the box-shaped column 1 via the bolt hole 17 of the split tee 2 and the hole of the sleeve 28 . The female screw of the nut 15 fixed The box-shaped column 1 and the split tee 2 were joined together by screwing in at 15 s and tightening on the head side with a fastener 21 as in Examples 1 to 3.
- a joining method for obtaining a porto joint structure between the box-shaped column 1 and the split tee 2 of the fourth embodiment will be described with reference to FIGS. 20 to 21 (c).
- the gripping portion 24a of the draw-out jig 24 is inserted from the outside of the bolt hole 17, and the gripping portion 22a of the nut installation bolt 22 is gripped and pulled up.
- the outer surface of the sleep 28 is bonded and fixed to the inner surface of the bolt hole 17 of the box-shaped column 1 with the adhesive b while being pressed against the inner surface of the column 1 with a cross-section. After being sufficiently adhered and fixed, turn the nut setting port 22 from the nut 15 by turning the holding portion 22a of the nut setting port 22 as shown in FIG. 21 (c). remove. In this way, the nut 15 can be fixed inside the box-shaped column 1.
- the shaft portion has all screws 23 s to prevent falling off due to impact during transport.
- the temporary fixing nut 27 may be screwed into the nut installation bolt 22 from the outside and tightened by hand to be transported to the site. it can.
- the nut 15 is fixed to the inner side of the box-shaped column 1 by the nut.
- the sleeve 28 on the side of the bracket 15 is inserted into the bolt hole 17 of the box-shaped section pillar 1, and its outer peripheral surface is bonded and fixed.
- the structure is simple, and the work for fixing the nut is also simple. Other effects are the same as those in Examples 1 to 3.
- FIG. 22 shows a state in which bolt joining has been completed in the high-portal joint structure example of the box-shaped column 1 and the split tee 2 according to the present invention.
- the fifth embodiment is different from the first to fourth embodiments in the structure for fixing the nut to the inside of the box-shaped column 1. A detailed description of other common parts is partially omitted.
- reference numeral 15 denotes a nut having a female screw 15 s fixed to the inner side of the box-shaped column 1, similarly to Examples 1 to 4, and formed integrally with a washer-equivalent portion: 15 z.
- a sleeve 29 is fixed to a washer-equivalent portion 15z.
- the sleeve 29 is made of metal and has a base end fitted and adhered into a hole of the washer-equivalent portion 15z, and has an outer diameter slightly smaller than that of the bolt hole 17 and has a plurality of protrusions on the tip end side.
- the raised portion 29k is formed.
- the protruding portion 29 k has a tip portion that expands and bends. After the sleeve 29 is inserted into the port hole 17 of the box-shaped column 1, the protrusion 29 k protrudes outside the box-shaped column 1. The nut 15 is fixed to the inside of the box-shaped column 1 by expanding and bending the projection 29 k to lock it.
- the length of the protrusion 29 k is such that the tip of the protrusion 29 k protrudes from the outer surface of the box-shaped column 1 by several mm, preferably about 3 to 5 mm.
- the length is slightly longer than the above-mentioned protruding length, preferably about 1 or more, so that the valley bottom of the portion 29 k is located inside the column of the box-shaped column.
- the torcia-type high-strength Porto 6 ⁇ has a washer 20 inserted therein and is the same as in Examples 1 to 4, and has a bolt hole 17 from the outside of the split tee 2 abutting on the outside of the box-shaped column 1. After passing through the port hole 17 of the split tee 2 and the hole of the sleeve 29, the male screw 6 s is inserted into the female screw 15 s of the nut 15 fixed inside the box-shaped column 1. By screwing together and tightening on the head side with fasteners 21 as in Example 1, the box-shaped column 1 and split tee 2 are joined.
- a joining method for obtaining a high-strength port joint structure between the box-shaped column 1 and the split tee 2 of the fifth embodiment will be described with reference to FIGS. 24 to 25 (c).
- the nut 15 is fixed to the inner side of the box-shaped column 1 with a nut.
- Other effects are basically the same as those of the first to fourth embodiments.
- FIGS. 26 to 29 (c) a sixth embodiment of the present invention will be described in detail with reference to FIGS. 26 to 29 (c).
- the present invention is applied to a high-strength porto joint structure of a box-shaped column 1 and a split tee 2.
- FIG. 26 shows a state in which the joining by the torcia-type high-strength ports 6 is completed in the example of the high-port joining structure of the box-shaped column 1 and the split tee 2 according to the present invention.
- the sixth embodiment is different from the first to fifth embodiments in the structure for fixing the nut to the inside of the box-shaped column 1. A detailed description of other common parts is partially omitted.
- reference numeral 15 denotes a nut having a female screw 15 s fixed to the inner side of the box-shaped column 1, which is formed integrally with the washer-equivalent portion 15 z, as shown in FIGS. 27 (a) and 27.
- the locking portions of the plurality of locking legs 32 of the nut holding component 31 are engaged with the outer periphery of the washer-equivalent portion 15z as shown in (b).
- the nut holding component 31 is made of metal.
- a plurality of protrusions 31 k are formed on the tip end side of a sleeve portion 31 a having a slightly smaller outer diameter than the bolt hole 17.
- the locking leg 32 is easily elastically deformed, and the locking portion can be easily attached to and detached from the outer periphery of the washer-equivalent portion 15z of the nut 15. Since the locking leg 32 has a joint surface with the inner side of the box-shaped square pillar 1 and the nut (equivalent to a washer), the locking leg 32 has an area capable of securing a sufficient frictional force and has a high surface. Preferably, a friction treatment is performed.
- the protruding portion 31k expands and bends the tip portion. After the sleeve portion 31a is inserted into the port hole 17 of the box-shaped column 1, the box-shaped column 31 The nut 15 is fixed to the inner side of the box-shaped column 1 by expanding and bending and locking the protruding projection 31 k on the outside of the column 1.
- the torcia-type high-strength Porto 6 ⁇ has a washer 20 inserted therein, and is the same as that of the embodiment:! To 5, from the outside of the split tee 2 abutting on the outside of the box-shaped column 1. A nut 6 s is inserted into the bolt hole 17, and the male screw 6 s is fixed to the inside of the box-shaped column 1 via the bolt hole 17 of the split tee 2 and the hole ⁇ of the sleep part 31 a of the nut holding part 31. The box-shaped column 1 and the split tee 2 are joined by screwing into the female screw 15 s of the box 15 and tightening it on the head side with the fastener 21 as in the first embodiment. is there.
- the fixing of the nut 15 to the inner side of the box-shaped column 1 is Using a nut holding part 31 consisting of a stopper leg 32, a sleep part 31a and a projection part 31k, the locking leg 32 is engaged with the outer periphery of the washer equivalent part 15z of the nut 15, and the projection part 31k is formed. It is expanded to the outside of the box-shaped cross-section column 1, bent and locked and fixed, and the nut holding part 31 can be easily detachably engaged and fixed to the nut 15 side. As compared with Embodiments 2, 3, and 4 using, the adhesive fixing work is not required, so that the fixing work of the nut is simple. Other effects are basically the same as those in Examples 1 to 5.
- the seventh embodiment differs from the first to sixth embodiments in the nut / washer structure and the nut fixing method (structure).
- FIG. 30 shows a state in which the joining by the torcia-type high-strength ports 6 is completed in the example of the high port joining structure of the box-shaped column 1 and the split tee 2 according to the present invention. Detailed description of portions common to the first embodiment is omitted.
- reference numeral 33 denotes a nut fixed to the inner side of the box-shaped section column 1.
- the nut has a female screw 33s, and a washer 34 is provided. It is fixed by welding (for example, spot welding sw).
- the washer 34 is provided with the engagement hole 34a.
- a locking edge 34 e is formed on the split tee 2 side, and the locking edge 34 e has the same diameter as or slightly smaller than the port hole 17 of the box-shaped column 1, The locking hook 35 f of the nut holding part 35 inserted into the bolt hole 17 from the outside of the column 1 is locked.
- the nut holding part 35 is made of plastic, and as shown in FIGS. 32 (a) and 32 (b), a sleep part 35a with a slit (a cut is also possible) and a flange part 35a. b, formed with a locking hook 35f at the tip of the sleeve portion 35a.
- the outer diameter do and the inner diameter di of the locking hook 35f are effective due to the effect of the slit st. Can be scaled.
- the male screw 6s portion of the g / shear high-strength bolt 6 can be easily inserted.
- the flange 35b is to be engaged with the outer surface of the box-shaped column 1 and its outer diameter is usually slightly larger than the hole diameter of the port, preferably about 1 to 2 mm.
- the flange 35b is made of metal and the outer diameter D is two to three times the shaft diameter of the torcia-type high-strength bolt 6 ⁇ to ensure a stable joint surface. It is also effective to make the degree.
- the sleeve 35a of the nut holding part 35 is inserted from the outside of the box-shaped column 1, the flange 35b is locked on the outer surface of the box-shaped column 1, and the tip of the sleeve 35a is locked.
- the nut fixed to the washer 34 is pushed into the engaging edge 34 e of the engaging hole 34 a of the washer 34 abutting on the inner side of the box-shaped column 1 with the hook 35 f. 33 is securely fixed inside the box-shaped column 1.
- the torcia-shaped high-strength port 6a has a washer 20 inserted therein and is the same as in Examples 1 to 6, and the male screw 6s portion has a split abutment on the outside of the box-shaped section column 1.
- the box-shaped column 1 is inserted into the port hole 17 from the outside of the toti 2, passes through the port hole 17 of the split tee 2, the inside of the sleeve portion 35 a of the nut holding part 35, and the inside of the engaging hole 34 a of the washer 34, Fixed on the inside side of By screwing the nut 33 into the female screw 33 s of the nut 33, the box-shaped column 1 and the split tee 2 are securely joined. It should be noted that the nut holding part 35 is unnecessary when the box-shaped column 1 and the split tee 2 have been joined, but there is no problem if the nut is left as it is.
- Fig. 34 (a) insert the gripping portion 24a of the draw-out jig 24 through the nut holding component 35 from the outside of the port hole 17 of the box-shaped column 1 in advance. Grab the gripping part 22a of the nut installation bolt 22 and pull it up.Then, as shown in Fig. 34 (b), the sleeve part 35a of the nut holding part 35 is inserted into the port hole 17 of the box-shaped section pillar 1. With the seat surface of the washer 34 to which the nut 33 is fixed and pressed against the inner surface of the box-shaped column 1, as shown in FIG. 34 (c), the sleeve portion 35 a of the nut holding component 35 is Push in.
- the outer diameter of the locking hook 35f is reduced by the slit st effect and passes through the locking edge 34e of the washer 34, and at the same time as shown in FIG.
- the outer diameter of the locking hook 35 f is enlarged (restored) and locked to the locking edge 34 e of the engaging hole 34 a of the washer 34, and the nut 33 is inside the box-shaped column 1. Securely fixed to the side. After fixing the nut 33, turn the nut setting bolt 22 and remove it from the nut 33.
- the washer processing and nuts are different from those of the first embodiment. It is necessary to fix 33 and washer 34, and to process the nut holding parts, but the fixing work of the nut is simple. The effect obtained by fixing the nut inside the box-shaped square column is almost the same as in the other Examples 1 to 6.
- the nut 15 is formed integrally with the washer-equivalent portion 15z.
- the nut and the washer may be formed independently and then integrated. May be used alone.
- the sleeve is fixed to the nut (corresponding to the washer) by inserting and bonding the sleeve as a nut holding part.
- a slit may be formed at the base of the sleeve to be inserted into the groove so that the diameter of the slit can be expanded or contracted naturally, and the slit may be press-fitted and fixed. In this case, bonding may be used together. Alternatively, they may be screwed together as in the first embodiment.
- the high-strength bolt joint structure and the nut fixing method of the present invention are not limited to the contents of the above-described embodiment.
- the present invention is applied to a case where a box-shaped member having a square cross section is used as a column material, and a split tee as a metal fitting is connected to the column material by high-strength porto.
- the present invention can also be applied to a case where, for example, a circular steel pipe (box-shaped section material) is used as a column material, and a splitty as a metal joint is subjected to high strength porto joining.
- the present invention is also applicable to a case where a box-shaped section is used as a beam member and a high-strength port is jointed to a joint metal. It is also applicable to high strength bolted joints other than cross-section materials and split tees and beams.
- the nut fixing work to obtain the bolted structure between the box-shaped column and the split tee in the above embodiment is basically performed at the factory, but is performed at the building site before building. You can also. Further, the port tightening work may be completed at the factory, or may be performed at the building site, before or at the time of building.
- the bolt transfer device described in Japanese Patent Publication No. 2000-213070 is used as a method of fixing a nut inside the box-shaped column.
- the nut fixing method using the jig and the nut setting port is described as an example, but other nut fixing methods may be used.
- the high-strength port is not limited to the torcia-type high-strength porto 6, but other high-strength ports that are fastened on the bolt head side may be used.
- the use of 20 is not essential.
- the head forming conditions for high-strength ports, pin tail and break groove (break neck) forming conditions, screw forming conditions, head side washer forming conditions, nut and washer forming conditions, and nut holding structures (nuts) The method of fixing the material to the joint and the sleep, and the material), and the high friction treatment for each joint surface can be changed according to the object to be joined, the joint portion, the material strength, the design strength, and the like.
- the torsia-type high-strength port of the present invention and a bolt joining method using the same are provided with a male screw which is screwed into a female screw formed in a nut material, and a fastener is engaged with a head side and tightened.
- This is a high-strength bolt made possible by forming a pin tail at the tip of the head for the torque control Torscia-type high-strength port with a break neck formed by a break groove between the tails
- the torcia-type high-strength port of the present invention requires a washer on the bolt head side indispensably. Nuts and washers are not indispensable).
- torcia-type high-strength bolt different from the conventional torcia-type high-strength bolt formed with a pin tail at the tip opposite to the head. It is a bolt that inserts a washer into the male screw part and screw a nut into the male screw part by penetrating the steel to be overlapped. A bolt that is screwed into the steel to be joined, and the port may or may not penetrate through the superposed steel to be joined. And to use it also for the.
- the torcia-type high-strength bolt of the present invention has a nut for screwing an external thread inside a box-shaped member such as a square steel pipe, or a nut at a joint in a narrow space. It is particularly effective when it is difficult to tighten on the side, but when the nut is outside and can be tightened, it can be seen in Figs. 38 (a) to 38 (c).
- torque shear-type high-strength Porto present invention to the conventional torque shear-type high-strength bolts shown can be used without inferior is more F8T stipulated in JIS, ie, the tensile strength is 800 N Z mm 2 or higher required
- a rectangular steel pipe is used as a column as a box-shaped section, and a split tee, an end plate, a splint, etc. are joined to this column.
- Square steel pipe for attaching H-beams through hardware And it is used as the main in high-strength bolted connection structure in the Porto junction structure of H-shaped steel beam or built how narrow place Tightening summer bets is difficult during.
- the torsia-type high-strength porto of the present invention is fastened on the head side using a fastener that utilizes the same basic principle as a known fastener in which an inner sleeve and an arterial sleep operate in conjunction.
- the fastener used in the present invention is such that the inner sleeve is engaged with the pin tail, the outer sleeve is engaged with the washer, and the pin tail is grasped and turned around. It is equipped with a mechanism that breaks the pin-tail break neck with the rotational torque obtained by this method, which is different from the conventional one.
- the pin tail is gripped and turned by the inner sleeve of this fastener, and the break neck due to the break groove of the pin tail is broken by the rotating torque obtained as the reaction force of the washer via the outer sleeve. It is possible to realize a stable Porto joint structure by easily controlling the introduction tension to the bolt by breaking it with torque.
- the height of the protrusion by the head and the washer is reduced as much as possible, particularly on the outer surface side of the structure, so as to alleviate troubles in the case of fire-resistant coating and finishing work.
- a bare steel frame it reduces the deterioration of the appearance.
- a rectangular steel pipe having a hollow rectangular (box-shaped) cross section is used as the column material, and the H-shaped steel beam is connected to the square steel pipe column to which the H-shaped steel beam is attached via the joint hardware.
- the introduction tension to the port can be easily controlled.
- one-sided bolts which can be inserted and tightened from the outside when porting a metal joint to a box-shaped section material such as a square steel pipe, are often used, but this one-sided port is extremely expensive.
- the disadvantage is that it is not easy to control the introduction tension to Porto. For this reason, it has been attempted to fix a nut to the inside of a square steel pipe column, insert another type of bolt from the outside, and then tighten it on the outside, and fix the nut to the inside of the square steel pipe. With the advent of simple means, it is easier to control the tension applied to the port at a lower cost than one-sided bolts, and it is possible to realize a stable joint structure.
- the torsia-type high-strength porto of the present invention mainly has a strength of 800 N Zmm 2 or more, which can be easily obtained by cold forging and rolling and then heat-treated after forming.
- the shape of the outer periphery of this part may be round, oval, or square for the final tightening.
- a rotating tool such as a manual or electric spanner used.
- hexagons can be said to be general, but squares, other polygons, and ellipses may be used.
- the washer that contacts the seat surface of the head may be made of a standard material specified by JIS or JSS, and the inner sleeve and the outer sleeve use the above-mentioned fasteners that operate in conjunction with each other. For final tightening
- the outer sleeve is securely engaged, and functions to break the break neck formed by the break groove of the pin tail with a constant breaking torque by the rotating torque obtained as a reaction force of the washer. This prevents the sleeve from turning.
- This washer engages with the outer sleeve of the fastener, so that it does not interfere with turning the pin tail with the inner sleeve. Therefore, the minimum outer diameter is formed to be larger than the maximum outer diameter of the Porto head. Since the washer does not rotate the outer sleeve, it is subjected to heat treatment to ensure rigidity, and high friction treatment and bonding treatment, such as roughening, are applied to the bearing surface of the steel to be welded. Is done.
- the outer shape is generally hexagonal because it reliably engages the outer sleep of the fastener, but it can be square or other polygonal shape.
- the pin tail has a polygonal or circular cross-sectional shape.
- the main component is one in which a number of axial grooves are formed on the outer peripheral surface. This is because the outer peripheral surface must be gripped by the inner sleeve of the above-mentioned fastener and turned around, so that an anti-slip function by the axial groove is formed on the outer peripheral surface.
- the pin tail must be gripped by the inner sleeve of the fastener, and it is basically preferable that the outer diameter be equal to or smaller than the port diameter.
- the break groove formed between the bolt head and the pin tail forms a break neck that breaks at a constant breaking torque as the reaction force of the washer.
- the predetermined tension is applied to the port according to the bolt strength.
- the groove has a small diameter (groove depth) that can be broken accurately with the applied breaking torque when the pin tail is maintained in its original shape when the torque for introducing the groove is applied.
- a U-shape, U-shape and the like are preferable.
- the torsia-type high-strength porto of the present invention can be mass-produced by, for example, cold forging and rolling together with the formation of the pin tail and the fracture groove, and can be obtained at low cost.
- the torsion-type high-strength porto of the present invention When used as a through bolt, a nut is screwed into the male screw, and this nut has a strength that is 60 to 70% of the bolt strength. Basically, it does not turn when tightening, so turn the Porto head side It is necessary to prevent turning when tightening.
- high-friction treatment or bonding treatment such as roughening is applied to both sides of the washer and the seat surface of the nut.
- the bearing surface of the washer equivalent part is subjected to a high friction treatment such as surface roughening or an adhesion treatment.
- the outer peripheral shape of a nut is generally hexagonal, but it may be round or other rectangular.
- lubrication is generally applied to the nut and the seat surface of the nut in order to stably introduce tension.
- the nut rotates together with the rotation of the port when tension is applied to the bolt, making it difficult to introduce smooth and stable tension.
- a nut or a steel material formed with a female screw into which the male screw of the port is screwed needs to be fixed.
- lubrication treatment it is possible to prevent co-rotation of the port and the nut, and to prevent seizure between the male screw and the female screw when high tension is introduced.
- lubricant including dipping
- sheet-like lubrication Processing means such as sticking or inserting a lubricant can be used.
- Figures 4 (a) and 4 (b) show examples of structure (shape), and Figures 35 (a), 35 (b), 36 (a), and 36 (b) show usage examples It is.
- 6 ⁇ is a torcia-type high-strength bolt according to the present invention, which has a head 6t, a shaft 6g, and a nut formed on a steel material fixed to a nut. It has a male screw part 6 s that is screwed into a screw (described later).
- a pin tail 18 having a non-slip 18 c on the outer peripheral surface is formed on the head 6 t, and the pin tail 18 and the head 6 t
- a break neck 19 for torque control is formed on the outer periphery of the boundary part by a V-shaped break groove. When a certain torque is applied to the break neck 19 during tightening, the break neck 19 is broken, and a predetermined breaking torque is applied to reduce the introduction tension to the high-strength bolt 6. Can control.
- Numeral 20 is a washer having a square outer shape, which is inserted and abutted on the bearing surface 6 f side of the port 6 t to utilize the frictional force between the steel materials to be welded (not shown) to generate fracture torque. It is.
- the torsia-type high-strength bolt 6 ⁇ of the present invention has a head 6t side in which an inner sleeve 21i and an outer sleeve 21o operate in conjunction with each other, for example, a fastener as shown in FIG. 35 (a). (Details are not shown.)
- the structure is based on the premise that the screw is turned by 21 and inserted into the bearing surface 6f of the head 6t when tightening. The frictional force is used to generate a breaking torque.
- High friction treatment such as roughening
- a nut is provided on the 6s side of the male thread as shown in Fig. 35 (a).
- a similar treatment or adhesive treatment can be applied to the seat surface of the nut (washer) so as not to rotate.
- the torsia-type high-strength bolt 6 ⁇ of the present invention is lubricated to the bearing surface 6f of the bolt head 6t and the male screw portion 6s in advance or when used, so that high tension can be introduced.
- the nuts can be prevented from rotating together.
- the torcia-type high-strength porto of the present invention shown in Figs. 4 (a) and 4 (b) 6
- ⁇ is used as a through port
- 6 high-strength bolts are superimposed on the port hole 1a of the square steel tubular column 1 and the bolt hole 2 of the split tee 2.
- the pin tail 18 is grasped by the inner sleeve 21 i of the fastener 21, the outer sleeve 210 is engaged with the outer periphery of the washer 20, the pin tail 18 is turned by the inner sleeve 21 i, and the outer sleep 21 ⁇
- the break torque 19 of the pin tail 18 is broken with a constant breaking torque using the rotation torque of the washer 20 as a reaction force, and the introduction tension to the high-strength port 6 can be easily controlled.
- Fig. 35 (b) shows a state in which the break neck 19 has been broken and the pin tail 18 has been removed, and the head 6t of the high-strength port 6a and the washer 20 are located outside the split tee 2.
- the projecting height ha from the outer surface of the split tee 2 to the tip of the tall head 6 t of the high port 6, here the fracture surface of the break neck 19, is higher than the inner surface of the square steel tubular column 1. It can be reduced to about 60% of the projecting height h of the force bolt 6 ⁇ to the tip surface.
- the alternating type high-strength bolt 6 of the present invention shown in FIGS. 4 (a) and 4 (b) is used.
- this high-strength port 6 ⁇ is inserted into the port hole 12a of the superposed steel material 12 and the tip of the male screw portion 6s is screwed into the female screw 11s of the steel material 11. Wear it, and use a manual or electric wrench (not shown) to turn the high-strength bolt 6 ⁇ on the side of the head 6 t for primary tightening.
- FIG. 36 (b) shows a state in which the break neck 19 has been broken and the pin tail 18 has been removed.
- FIGS. 35 (a), 35 (b), and 36 In the case of a) and Fig. 36 (b), for convenience, a port-joined structure example mainly using one torcia-type high-strength bolt is shown.
- the torsia-type high-strength port of the present invention can easily control the introduction tension to the bolt whether it is used as a through port or a tap port. This can contribute to the realization of a stable port joint structure.
- the torcia-type high-strength port of the present invention is used as a through port for a joint between a square steel pipe column and a split tee, or a narrow joint where it is difficult to install a nut
- a nut is used. Is fixed in advance to the inside of the square steel pipe column or to the joint (inner side) in a narrow space, and the port is inserted from the outside and tightened on the port side, and introduced into the port on the outside. Tension can be easily controlled to realize a stable porto joint structure.
- the projecting height of the external bolts and washers can be made significantly lower than that of conventional torcia-type high-strength bolts using nuts, which alleviates troubles during fireproof coating and finishing work.
- the torsia-type high-strength bolt of the present invention and the joining method thereof are not limited to the contents of the above embodiments.
- the torsia-type high-strength bolt of the present invention is mainly described as being used for a high-strength porto-joint structure of a square steel tubular column and an H-shaped steel beam as an example of a box-shaped section material.
- the use is not limited to the joint structure, and it can be used even when various steel beams other than H-beams are used as the beam.
- the parts and processing conditions can be changed according to the joining object, the joining parts, the material strength, the design strength, and the like.
- the bolted joint structure of the present invention for example, enables a bolted joint between a box-shaped column and a splitty to be able to perform a ported joint using only a high-strength port without using a special and expensive penside bolt. The effect can be expected.
- Beam-to-column connections of larger structures can be made by high-strength bolted tension connections.
- the joints, which had to be welded structures can be made with high-strength ports, so that the mechanical quality can be more stabilized, workability can be improved, and structures with high structural stability can be obtained.
- a torcia-type high-strength bolt that can easily control the tension applied to the port when the bolt head is rotated and tightened on the outside can also be used to achieve a high-strength and stable port-joint structure. can do.
- the torcia-type high-strength port according to the present invention has a fireproof structure by minimizing the protrusion height of the bolt nut on the outer surface side of the structure, particularly in a joint structure used as a through-port. It can reduce the obstacles during the coating and finishing work, and in the case of bare steel, can reduce the deterioration of the aesthetic appearance.
- a square steel pipe is used as a column material, and a high-strength porto joint structure between a square steel pipe column to which an H-shaped steel beam is to be attached and an H-shaped steel beam via a joint metal, or If the nut is to be fastened to the joints where it is difficult to fasten, turning the head side of the port on the outside is used as a tap bolt that does not use a nut. Even when used, the introduction tension to the port can be easily controlled, and a stable high-strength porto joint structure can be realized.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/204,206 US7204667B2 (en) | 2000-12-18 | 2001-12-18 | High strength bolted structure and method of securing nut and torque-shear type high strength bolt and joining method using same |
HK03105205.7A HK1052958B (zh) | 2000-12-18 | 2003-07-18 | 强力螺栓連接結構及其螺母固定方法、以及扭剪形强力螺栓及使用其的連接方法 |
US11/728,092 US20070177958A1 (en) | 2000-12-18 | 2007-03-22 | High strength bolted structure and method of securing nut and torque-shear type high strength bolt and joining method using same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-383371 | 2000-12-18 | ||
JP2000383371A JP4235354B2 (ja) | 2000-12-18 | 2000-12-18 | トルシア形高力ボルト及びボルト接合方法 |
JP2001-64262 | 2001-03-08 | ||
JP2001064262A JP4171183B2 (ja) | 2001-03-08 | 2001-03-08 | 高力ボルト接合構造およびナット固定方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/728,092 Continuation US20070177958A1 (en) | 2000-12-18 | 2007-03-22 | High strength bolted structure and method of securing nut and torque-shear type high strength bolt and joining method using same |
Publications (1)
Publication Number | Publication Date |
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WO2002050439A1 true WO2002050439A1 (fr) | 2002-06-27 |
Family
ID=26605998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/011108 WO2002050439A1 (fr) | 2000-12-18 | 2001-12-18 | Structure de raccordement d'un boulon a resistance elevee, procede de fixation d'un ecrou a ladite structure, boulon a resistance elevee et a couple, et procede de raccordement utilisant ledit boulon |
Country Status (6)
Country | Link |
---|---|
US (2) | US7204667B2 (ja) |
KR (2) | KR20060060066A (ja) |
CN (1) | CN1229580C (ja) |
HK (1) | HK1052958B (ja) |
TW (1) | TW531597B (ja) |
WO (1) | WO2002050439A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
US20030021652A1 (en) | 2003-01-30 |
CN1229580C (zh) | 2005-11-30 |
US7204667B2 (en) | 2007-04-17 |
HK1052958B (zh) | 2006-03-24 |
CN1419634A (zh) | 2003-05-21 |
KR20020075440A (ko) | 2002-10-04 |
HK1052958A1 (en) | 2003-10-03 |
US20070177958A1 (en) | 2007-08-02 |
KR100618660B1 (ko) | 2006-09-05 |
TW531597B (en) | 2003-05-11 |
KR20060060066A (ko) | 2006-06-02 |
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