CN103711447A - Truck-mounted drilling rig rod changing device - Google Patents

Truck-mounted drilling rig rod changing device Download PDF

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Publication number
CN103711447A
CN103711447A CN201310703552.4A CN201310703552A CN103711447A CN 103711447 A CN103711447 A CN 103711447A CN 201310703552 A CN201310703552 A CN 201310703552A CN 103711447 A CN103711447 A CN 103711447A
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China
Prior art keywords
drilling rod
oil cylinder
fuselage
machine body
truck
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Application number
CN201310703552.4A
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Chinese (zh)
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CN103711447B (en
Inventor
田宏亮
常江华
郝世俊
胡振阳
凡东
方鹏
张占强
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Xian Research Institute Co Ltd of CCTEG
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Xian Research Institute Co Ltd of CCTEG
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Abstract

The invention discloses a truck-mounted drilling rig rod changing device. The truck-mounted drilling rig rod changing device comprises a machine body 1, a translation supporting leg 2, stabilization supporting legs 3, a drill rod feed machine body 4, a mounting base 5, a clamping mechanism 6, a machine body angle modulation oil cylinder 7, a lifting device 8 and an adjusting oil cylinder 9, wherein the translation supporting leg 2 and the two pairs of stabilization supporting legs 3 are mounted on the machine body 1; the drill rod feed machine body 4 is hinged to the mounting base 5 through a rear axle; the clamping mechanism 6 is mounted on the drill rod feed machine body 4; the lifting device 8 is mounted on one side of the machine body 1; the two ends of the adjusting oil cylinder 9 are fixed to the machine body 1 and the lifting device 8 respectively; the machine body angle modulation oil cylinder 7 is hinged to the drill rod feed machine body 4 and the machine body 1, and the pitchup angle of the drill rod feed machine body 4 can be controlled; a drill rod 11 is in butt joint with a drilling rig power head 10 through the rod changing device. The truck-mounted drilling rig rod changing device is simple in structure and convenient to operate, the working face is low, a rod adding device is small in size and light in weight, labor intensity of field workers is low, the automation degree is high, and working efficiency is improved.

Description

A kind of truck-mounted drilling rig changes lever apparatus
Technical field
The present invention relates to a kind of truck-mounted drilling rig and change lever apparatus, be applicable to the upper and lower drilling rod of truck-mounted drilling rig and coordinate unit head to complete drilling rod handling.
Background technology
Truck-mounted drilling rig is as the more much higher technique wellbore construction of a kind of automaticity equipment, have rate of penetration fast, be applicable to multiple drilling process, the advantage such as job stability is strong, repair and maintenance is convenient, simple to operate, less important work is convenient and strength-saving, dismounting and convenient transportation.Truck-mounted drilling rig is widely used in the drilling constructions such as heavy caliber well, coal bed gas extraction well, Oil/gas Well, is a mainstream development trend of rig from now on, and the equipment supporting with it is also in quick renewal.Drilling work is the important step that affects drilling operation efficiency.At present, most engineering drillers adopt first by hoist lifting drilling rod, and drilling rod is after slips clamping, by hoisting system with manually complete the drilling rod task of loading and unloading.For large-scale ground truck-mounted drilling rig, add, unload the needs that drilling rod operation must consider to remove the drilling tools such as drilling rod and sleeve pipe simultaneously, because drilling rod is long and quality is larger, carry and change bar work all comparatively difficult, labor strength is large, and efficiency is low, and easily causes potential safety hazard.Therefore be badly in need of designing the lever apparatus that changes supporting with it.
Summary of the invention
The object of the invention is to for the problems referred to above, provide a kind of truck-mounted drilling rig to change lever apparatus, overcome the deficiency of the upper and lower working platform of drilling rod, reduce labor strength, increase work efficiency.
For achieving the above object, the present invention adopts following technical scheme:
Truck-mounted drilling rig changes a lever apparatus, comprises fuselage 1, translation supporting leg 2, firm supporting leg 3, drilling rod feeding body 4, feeding body mount pad 5, clamping device 6, fuselage angle modulation oil cylinder 7, lifting gear 8, adjusts oil cylinder 9 and accessory structure.Wherein, described fuselage 1 is installed with translation supporting leg 2 and two pairs of firm supporting legs 3, drilling rod feeding body 4 is hinged by feeding body rear axle and feeding body mount pad 5, clamping device 6 is fixedly installed in drilling rod feeding body 4, lifting gear 8 is fixedly installed in fuselage 1 one sides, adjust oil cylinder 9 two ends and be separately fixed on fuselage 1 and lifting gear 8, fuselage angle modulation oil cylinder 7 is hinged with drilling rod feeding body 4 and fuselage 1 respectively, the tilt angle of capable of controlling drilling bar feeding body 4.
Wherein, the erection support of three groups of lifting gears 8 is respectively arranged in fuselage 1 two sides, selects different erection supports can change lifting gear 8 in the position of fuselage 1 side, and then meets the loading replacing of different length drilling rod.
Wherein, adjust oil cylinder 9 flexible, change the heeling condition of lifting gear 8, while tilting to fuselage 1, the drilling rod in drilling rod supporting plate is automatically scrolling in drilling rod pallet 12, and pallet overturning oil cylinder 13 is flexible, and 45 ° of drilling rod pallet upsets, enter next step operation; Lifting gear 8 is during to fuselage 1 reversed dip, and the drilling rod that drilling rod pallet 12 rolls out can be rolled in the drilling rod supporting plate 24 of lifting gear 8 along inclined-plane, enters next step operation.
Wherein, the drilling rod pallet 12 on drilling rod feeding body 4 feeds oil cylinder 14 effects through pallet and advances, and drilling rod enters clamping device 6, after drill-rod clamping, under 15 effects of push rod oil cylinder, pushes forward, completes and docks with drill power head.
The operating principle that truck-mounted drilling rig of the present invention changes lever apparatus is: lifting gear 8 lift cylinder 22 piston rods stretch out or retract and can realize 24 rises of drilling rod supporting plate or fall through wire rope 23, thereby realize, ground drilling rod is promoted or the drilling rod from drilling rod feeding body 4 is dropped to ground, the flexible drilling rod fork 26 of can realizing of overturning oil cylinder 25 piston rods rotates, realizing drilling rod supporting plate 24 rotates, in upper and lower drilling rod process, drilling rod supporting plate 24 rotates 90 ° and can realize drilling rod and conveniently roll into or roll out drilling rod pallet 12; Drilling rod feeding body 4 supporting plates feed oil cylinder 14 and stretch out or retract and the drilling rod in drilling rod pallet 12 can be moved to clamping device 6 or will from clamping device 6, shift out from the drilling rod of unit head 10 dismounting.Push rod oil cylinder 15 stretches out or retracts and clamping device 6 can be moved forward or backward, thereby realizes the Position Control of drilling rod in drilling rod pallet 12.The effect that clamping oil cylinder 19 piston rods stretch out through support arm 20 can realize slips 21 clamping drilling rods, and piston rod is retracted and unclamped drilling rod.
Beneficial effect
Changing lever apparatus with existing truck-mounted drilling rig compares, it is upper and lower that the lifting gear 8 that truck-mounted drilling rig of the present invention changes lever apparatus adopts bar linkage structures to realize drilling rod, simple in structure, easy to operate, work plane is low, adds lever apparatus volume little, lightweight, and field worker labour intensity is low, automaticity is high, has improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is that truck-mounted drilling rig of the present invention changes lever apparatus schematic diagram;
Fig. 2 is that truck-mounted drilling rig of the present invention changes lever apparatus assembling plan view;
Fig. 3 is that truck-mounted drilling rig of the present invention changes lever apparatus assembling B-B sectional view figure;
Fig. 4 is the feeding body structural representation that truck-mounted drilling rig of the present invention changes lever apparatus;
Fig. 5 is the feeding body C-C sectional view that truck-mounted drilling rig of the present invention changes lever apparatus;
Fig. 6 is the clamping device structural representation that truck-mounted drilling rig of the present invention changes lever apparatus;
Fig. 7 is the elevating mechanism structural representation that truck-mounted drilling rig of the present invention changes lever apparatus;
Fig. 8 is that drilling rod supporting plate is at the schematic diagram of limit inferior position;
Fig. 9 is that drilling rod supporting plate is at the schematic diagram of limes superiors position;
Figure 10 is drilling rod supporting plate upset schematic diagram.
In figure, 1 is fuselage; 2 is translation supporting leg; 3 is firm supporting leg; 4 is drilling rod feeding body; 5 feeding body mount pads; 6 is clamping device; 7 is fuselage angle modulation oil cylinder; 8 is lifting gear; 9 for adjusting oil cylinder; 10 is truck-mounted drilling rig unit head; 11 is drilling rod; 12 drilling rod pallets; 13 is pallet overturning oil cylinder; 14 feed oil cylinder for pallet; 15 is push rod oil cylinder; 16 is movable supporting plate; 17 is roller; 18 is feeding body guide rail; 19 is clamping oil cylinder; 20 is support arm; 21 is slips; 22 is lift cylinder; 23 is wire rope; 24 is drilling rod supporting plate; 25 is overturning oil cylinder; 26 is drilling rod fork.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Truck-mounted drilling rig changes a lever apparatus, comprises fuselage 1, translation supporting leg 2, firm supporting leg 3, drilling rod feeding body 4, feeding body mount pad 5, clamping device 6, fuselage angle modulation oil cylinder 7, lifting gear 8, adjusts oil cylinder 9 and accessory structure.Wherein, described fuselage 1 is installed with translation supporting leg 2 and two pairs of firm supporting legs 3, drilling rod feeding body 4 is hinged by feeding body rear axle and feeding body mount pad 5, clamping device 6 is fixedly installed in drilling rod feeding body 4, lifting gear 8 is fixedly installed in fuselage 1 one sides, adjust oil cylinder 9 two ends and be separately fixed on fuselage 1 and lifting gear 8, fuselage angle modulation oil cylinder 7 is hinged with drilling rod feeding body 4 and fuselage 1 respectively, the tilt angle of capable of controlling drilling bar feeding body 4.Drilling rod 11 rises to the angle and the position that need and docks with truck-mounted drilling rig unit head 10 through changing lever apparatus, completes the bar work of changing.
Wherein, the erection support of three groups of lifting gears 8 is respectively arranged in fuselage 1 two sides, selects different erection supports can change lifting gear 8 in the position of fuselage 1 side, and then meets the loading replacing of different length drilling rod.
Wherein, adjust oil cylinder 9 flexible, change the heeling condition of lifting gear 8, while tilting to fuselage 1, the drilling rod in drilling rod supporting plate is automatically scrolling in drilling rod pallet 12, and pallet overturning oil cylinder 13 is flexible, and 45 ° of drilling rod pallet upsets, enter next step operation; Lifting gear 8 is during to fuselage 1 reversed dip, and the drilling rod that drilling rod pallet 12 rolls out can be rolled in the drilling rod supporting plate 24 of lifting gear 8 along inclined-plane, enters next step operation.
Wherein, the drilling rod pallet 12 on drilling rod feeding body 4 feeds oil cylinder 14 effects through pallet and advances, and drilling rod enters clamping device 6, after drill-rod clamping, under 15 effects of push rod oil cylinder, pushes forward, completes and docks with drill power head.
As shown in Figure 1, change lever apparatus and enter after drill site, the translation supporting leg 2 by fuselage 1 and firm supporting leg 3 adjustment states, guarantee to change lever apparatus stable and with the suitable position relationship of truck-mounted drilling rig; Drilling rod on sleeper is by a dead lift to the drilling rod supporting plate 24 of lifting gear 8, and lift cylinder 22 extends, and promotes drilling rod to the upper mounting plate position that adds lever apparatus fuselage; Drilling rod supporting plate overturning oil cylinder 25 shortens, drilling rod supporting plate 24 by drilling rod turn to base upper mounting plate at grade; Adjust oil cylinder 9 and extend, adjust lifting gear 8 and the angle that adds lever apparatus base upper mounting plate, drilling rod is because inertia rolls in drilling rod pallet 12; 13 actions of drilling rod pallet overturning oil cylinder, drilling rod pallet rotates 45 °, and drilling rod is in drilling rod pallet 12 centers, and pallet feeds oil cylinder 14 and extends, and drilling rod front end moves to through clamping device 6, reaches the limit of behind position, and clamping device 6 clamps drilling rod; Feeding body angle modulation oil cylinder 7 adjustment drilling rods and fuselage 1 are to certain angle, push rod oil cylinder 15 extends simultaneously, make drilling rod 11 angles and front end length corresponding with perk angle and the position of truck-mounted drilling rig unit head 10, unit head rotation, drilling rod and unit head front end drilling rod are threaded connection; Clamping device 6 opens, and drill power head 10 rises, and drilling rod is along with the rising of unit head position and rotation is gradually vertical state drilling rod and downhole tool is threaded connection, and adds bar work and completes.
For unloading bar process, bar process is contrary with adding counterclockwise, and drilling rod releases by drill power head 10 and unscrewing device tong, and unit head perk position decline, and drilling rod enters drilling rod pallet 12, and clamping device 6 clamps drilling rod, unit head reversion shackle; Feeding body angle modulation oil cylinder 7 adjusts that angles make feeding body 1 and to add lever apparatus platform parallel, 13 actions of pallet overturning oil cylinder, and drilling rod supporting plate rotates, and drilling rod rolls out to adding lever apparatus platform from pallet; Lifting gear sequence of motion is from Fig. 8 to Figure 10, contrary with upper boom process, and lifting gear 8 is adjusted oil cylinder 9 and shortened, and drilling rod rolls into elevating mechanism drilling rod supporting plate 24, and drilling rod drops to ground by lifting gear 8, unloads bar work and completes.
Finally it should be noted that: obviously, above-described embodiment is only for example of the present invention is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being amplified out thus or change are still among protection scope of the present invention.

Claims (4)

1. truck-mounted drilling rig changes a lever apparatus, it is characterized in that: comprise fuselage (1), translation supporting leg (2), firm supporting leg (3), drilling rod feeding body (4), feeding body mount pad (5), clamping device (6), fuselage angle modulation oil cylinder (7), lifting gear (8), adjust oil cylinder (9) and accessory structure; Wherein, described fuselage 1 is installed with translation supporting leg (2) and two pairs of firm supporting legs (3), drilling rod feeding body (4) is hinged by feeding body rear axle and feeding body mount pad (5), clamping device 6 is fixedly installed in drilling rod feeding body (4), and lifting gear (8) is fixedly installed in fuselage (1) one side; Adjusting oil cylinder (9) two ends is separately fixed on fuselage (1) and lifting gear (8); Fuselage angle modulation oil cylinder (7) is hinged with drilling rod feeding body (4) and fuselage (1) respectively.
2. truck-mounted drilling rig according to claim 1 changes lever apparatus, it is characterized in that: the erection support of three groups of lifting gears (8) is respectively arranged in fuselage (1) two sides, select different erection supports can change lifting gear (8) in the position of fuselage (1) side, and then meet the loading replacing of different length drilling rod.
3. truck-mounted drilling rig according to claim 1 changes lever apparatus, it is characterized in that: adjust oil cylinder (9) flexible, change the heeling condition of lifting gear (8), while tilting to fuselage (1), drilling rod in drilling rod supporting plate is automatically scrolling in drilling rod pallet (12), pallet overturning oil cylinder (13) is flexible, and 45 ° of drilling rod pallet upsets, enter next step operation; Lifting gear (8) is during to fuselage (1) reversed dip, and the drilling rod that drilling rod pallet (12) rolls out can be rolled in the drilling rod supporting plate (24) of lifting gear (8) along inclined-plane, enters next step operation.
4. truck-mounted drilling rig according to claim 1 changes lever apparatus, it is characterized in that: the drilling rod pallet (12) on drilling rod feeding body (4) feeds oil cylinder (14) effect through pallet and advances, movable supporting plate (16) rolls on feeding body guide rail (18) by roller (17), drilling rod enters clamping device (6), after drill-rod clamping, under push rod oil cylinder (15) effect, push forward, complete and dock with drill power head.
CN201310703552.4A 2013-12-19 2013-12-19 Truck-mounted drilling rig rod changing device Active CN103711447B (en)

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Application Number Priority Date Filing Date Title
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CN103711447B CN103711447B (en) 2015-05-06

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594832A (en) * 2015-02-13 2015-05-06 湖南文理学院 Rapid clamping metamorphic mechanism of borer blocking platform of hydraulic drill rig
CN104632104A (en) * 2015-02-04 2015-05-20 北京南车时代机车车辆机械有限公司 Auxiliary extension rod device of truck-mounted drilling rig
CN105275416A (en) * 2014-06-16 2016-01-27 北京威猛机械制造有限公司 Drilling rod loading assembly, horizontal orientation drilling machine and rod loading method thereof
CN106121532A (en) * 2016-07-29 2016-11-16 中煤科工集团西安研究院有限公司 The high-power multiple rows of drilling machine of underground coal mine
CN106285467A (en) * 2016-08-22 2017-01-04 中煤科工集团西安研究院有限公司 A kind of truck-mounted drilling rig being applicable to ground coal bed gas wellbore construction and construction method
CN108952602A (en) * 2018-08-16 2018-12-07 河北国峰重工机械有限公司 A kind of clean-out machine hydraulic efficiency manipulator handler
CN109555490A (en) * 2018-12-20 2019-04-02 中铁工程装备集团隧道设备制造有限公司 A kind of driving drill carriage is with from moving lever apparatus
CN109577882A (en) * 2018-11-15 2019-04-05 亨通海洋工程有限公司 Offshore wind farm construction drilling rod handling method
CN110206499A (en) * 2019-04-28 2019-09-06 中煤科工集团西安研究院有限公司 One kind changing lever apparatus flexible retainer and drilling rod automatic centering system and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575344A (en) * 1995-05-12 1996-11-19 Reedrill Corp. Rod changing system
US20020062994A1 (en) * 2000-11-29 2002-05-30 Kentaro Watanabe Ground drilling machine and rod exchanger utilized therefor
CN201011299Y (en) * 2006-08-19 2008-01-23 柳州市华力实业有限责任公司 Auxiliary lever-switching device of horizontal orienting drilling rig
US20090095526A1 (en) * 2007-10-16 2009-04-16 Lane Philip R Method and Apparatus for Managing Rod Changes in Horizontal Directional Drill
CN202810715U (en) * 2012-08-29 2013-03-20 广西玉林悍牛工程机器有限公司 Semi-automatic bar changing device of hydraulic pressure rock drilling driller
CN102996082A (en) * 2012-11-25 2013-03-27 桂林市华力重工机械有限责任公司 Rod replacement device of rock drilling machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5575344A (en) * 1995-05-12 1996-11-19 Reedrill Corp. Rod changing system
US20020062994A1 (en) * 2000-11-29 2002-05-30 Kentaro Watanabe Ground drilling machine and rod exchanger utilized therefor
CN201011299Y (en) * 2006-08-19 2008-01-23 柳州市华力实业有限责任公司 Auxiliary lever-switching device of horizontal orienting drilling rig
US20090095526A1 (en) * 2007-10-16 2009-04-16 Lane Philip R Method and Apparatus for Managing Rod Changes in Horizontal Directional Drill
CN202810715U (en) * 2012-08-29 2013-03-20 广西玉林悍牛工程机器有限公司 Semi-automatic bar changing device of hydraulic pressure rock drilling driller
CN102996082A (en) * 2012-11-25 2013-03-27 桂林市华力重工机械有限责任公司 Rod replacement device of rock drilling machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275416A (en) * 2014-06-16 2016-01-27 北京威猛机械制造有限公司 Drilling rod loading assembly, horizontal orientation drilling machine and rod loading method thereof
CN104632104A (en) * 2015-02-04 2015-05-20 北京南车时代机车车辆机械有限公司 Auxiliary extension rod device of truck-mounted drilling rig
CN104594832A (en) * 2015-02-13 2015-05-06 湖南文理学院 Rapid clamping metamorphic mechanism of borer blocking platform of hydraulic drill rig
CN104594832B (en) * 2015-02-13 2017-01-18 湖南文理学院 Rapid clamping metamorphic mechanism of borer blocking platform of hydraulic drill rig
CN106121532A (en) * 2016-07-29 2016-11-16 中煤科工集团西安研究院有限公司 The high-power multiple rows of drilling machine of underground coal mine
CN106121532B (en) * 2016-07-29 2019-02-19 中煤科工集团西安研究院有限公司 The high-power multiple rows of drilling machine of underground coal mine
CN106285467A (en) * 2016-08-22 2017-01-04 中煤科工集团西安研究院有限公司 A kind of truck-mounted drilling rig being applicable to ground coal bed gas wellbore construction and construction method
CN108952602A (en) * 2018-08-16 2018-12-07 河北国峰重工机械有限公司 A kind of clean-out machine hydraulic efficiency manipulator handler
CN109577882A (en) * 2018-11-15 2019-04-05 亨通海洋工程有限公司 Offshore wind farm construction drilling rod handling method
CN109555490A (en) * 2018-12-20 2019-04-02 中铁工程装备集团隧道设备制造有限公司 A kind of driving drill carriage is with from moving lever apparatus
CN109555490B (en) * 2018-12-20 2023-08-22 中铁工程装备集团隧道设备制造有限公司 Automatic rod replacing device for tunneling drill
CN110206499A (en) * 2019-04-28 2019-09-06 中煤科工集团西安研究院有限公司 One kind changing lever apparatus flexible retainer and drilling rod automatic centering system and method

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