CN102515011B - Pneumatic lifting tool for nuclear power plant - Google Patents
Pneumatic lifting tool for nuclear power plant Download PDFInfo
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- CN102515011B CN102515011B CN201110423229.2A CN201110423229A CN102515011B CN 102515011 B CN102515011 B CN 102515011B CN 201110423229 A CN201110423229 A CN 201110423229A CN 102515011 B CN102515011 B CN 102515011B
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Abstract
A pneumatic lifting tool for a nuclear power plant is disclosed, which comprises a lifting tool body, lifting columns, cylinder devices and an air tube, wherein a plurality of cylinder devices are disposed on the periphery of the lifting tool body; the lifting column is connected at the outer side of each cylinder device; the air tube is connected with the cylinder devices and used for providing intake air and exhaust air to the cylinder devices; and the cylinder devices provide a push force and a pull force to the corresponding lifting columns according to the intake air and the exhaust air provided by the air tube, so that the lifting columns stretch into different depths in the lifting tool body. The pneumatic lifting tool disclosed by the invention uses cylinders as a drive force for realizing high-reliability lifting for an object; and the lifting tool still keeps a grabbing state on the lifted object in an accidental working condition of sudden power-off, thereby efficiently avoiding the occurrence of accidental unhooking failure. Moreover, the pneumatic lifting tool has no need of power supply, as well as is suitable for being used in working environment without power supply, capable of being used for lifting and operating the spent fuel storage tanks of high temperature gas-cooled reactor nuclear power plant and other types of nuclear power plants, and capable of being applied to lifting for various containers in the common industry.
Description
Technical field
The present invention relates to suspender technical field, particularly relate to a kind of pneumatic sling for nuclear station.
Background technology
As everyone knows, suspender is that existing suspender has electromagnetic type, pneumatic type for lifting the instrument of various kinds of equipment, is mainly that the propulsive effort that provided by outside allows equipment hoisting object.Because being drives hoisting object by external force, once due to the unexpected situation that occurs that external force disappears, will there is the accident that drops of hoisting object, the safety that jeopardizes operating personal and article hoisting.
Under the hazardous environments such as core, high temperature, the reliability requirement of suspender is higher, under various operating modes, all will guarantee the safety of hoisting object.After in March, 2011 Fukushima, Japan Nuclear Power Accident, the inherent safety of nuclear station is generally paid attention to, China is at present just at active development ball bed modular high temperature gas cooled reactor nuclear station, high temperature nuclear reactor nuclear station be acknowledged as have the 4th generation nuclear power principal character nuclear station, have inherently safe, prevent nuclear proliferation, can produce the advantages such as high-temperature technology heat.Atomic fuel is mainly comprised of fissile material and fertile material.Fissile material in reactor can discharge a large amount of heats, i.e. nuclear energy in fission process; After fissioner is depleted to a certain degree, fissioner will become spentnuclear fuel, and the principal character of spentnuclear fuel is to have very strong radioactivation, and still produce decay heat.Because the fuel element of pebble bed high temperature reactor is different from pressurized-water reactor nuclear power plant, the spherical spentnuclear fuel of discharging from reactor core, needs to adopt to be applicable to the storage vessel that spheric fuel element is stored, and is stored in suitable intermediate storage facility.In the operating process and storage process of spentnuclear fuel basin, guarantee the safety of operation of spentnuclear fuel.For guaranteeing the safety of operation of spentnuclear fuel basin, need to adopt failure-free basin suspender to operate, this basin suspender requires, under various operating modes, can both guarantee the safety of basin lifting.
Existing suspender can not be avoided the generation of unexpected unhook accident, cannot adapt to the particular surroundings work such as core, high temperature.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: effectively avoid suspender because the accident of the unexpected hoisting object occurring comes off, improve the reliability of suspender.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of pneumatic sling for nuclear station.
Wherein, described pneumatic sling comprises suspender body, davit, air cylinder device and tracheae, the periphery of described suspender body is provided with several air cylinder devices, the outside of each air cylinder device is connected with davit, described tracheae is connected with air cylinder device, for air inlet being provided and giving vent to anger to air cylinder device, the air inlet that described air cylinder device provides according to tracheae and give vent to anger and provide thrust and pulling force to corresponding davit respectively, makes davit extend into different depth in suspender body.
Preferably, described suspender body is provided with mounting hole, by described mounting hole, lifting steel rope is installed.
Preferably, in described mounting hole, be connected with steel rope, by this steel rope, lift pneumatic sling.
Preferably, described air cylinder device comprises piston, piston rod, spring and piston chamber, described davit is provided with piston chamber in the side near suspender body, described piston chamber consists of the piston in outside and the davit end cap seal of inner side, described piston is connected with the piston rod through davit end cap, between described piston and davit, be provided with spring, described davit end cap is connected with davit, and described tracheae is connected with piston chamber.
Preferably, in described piston rod, have pore, described pore is connected with tracheae.
Preferably, between described piston chamber and suspender body, be provided with end cap cavity, in described end cap cavity, be provided with deflation hole.
Preferably, described spring is arranged in spring chamber, and described spring chamber, between piston and davit, is provided with deflation hole in described spring chamber.
Preferably, the valve of described tracheae is controlled by remote-control switch, realizes the Long-distance Control of suspender.
Preferably, described davit body is provided with davit plug, for limiting the move distance of davit.
Preferably, described air cylinder device is 3-8.
(3) beneficial effect
Technique scheme tool has the following advantages: the pneumatic sling for nuclear station of the present invention adopts cylinder that propulsive effort is provided, realize the high reliability lifting of object, can realize the inherently safe of hoisting process, under the unexpected operating mode of power-off suddenly, suspender still keeps, to by the seized condition of hoisting object, effectively avoiding the generation of unexpected unhook accident.And this pneumatic sling do not need power supply, saved electric power, go for not having the working environment of power supply, can be used to operate the spentnuclear fuel basin in HTGR Nuclear Power Plant and other types of nuclear power station, also can be applicable to the lifting of all kinds of containers of general industry.
Accompanying drawing explanation
Fig. 1 is the lateral plan of an embodiment of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is to cutaway view;
Fig. 4 is the B place enlarged drawing of Fig. 3.
Wherein, 1: suspender body; 2: davit; 3: first row pore; 4: spring chamber; 5: second row pore; 6: piston chamber; 7: end cap cavity; 8: the three deflation holes; 9: tracheae; 10: the four deflation holes; 11: cylinder end piece; 12: piston rod; 13: davit end cap; 14: davit plug; 15: the first screws; 16: spring; 17: piston; 18: the second screws; 19: the first steel ropes; 20: the second steel ropes; 21: basin.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As Figure 1-4, for a kind of embodiment of the present invention, this pneumatic sling comprises suspender body 1, davit 2, air cylinder device and tracheae 9, the periphery of suspender body 1 is provided with several air cylinder devices, the outside of each air cylinder device is connected with davit 2, described tracheae 9 is connected with air cylinder device, for air inlet being provided and giving vent to anger to air cylinder device, the air inlet that described air cylinder device provides according to tracheae 9 and give vent to anger and provide thrust and pulling force to corresponding davit 2 respectively, makes davit 2 extend into different depth in suspender body 1.Pneumatic sling provided by the invention adopts cylinder that propulsive effort is provided, and the number of air cylinder device can be set as required.When utilizing pneumatic sling of the present invention to carry out hoisting object, by tracheae 9, to air cylinder device, provide high pressure admission, thereby pulling force is provided to davit 2, davit 2 is deep in suspender body 1, be convenient to be inserted into by hoisting object; Then close the air intake valve of tracheae 9, and discharge high pressure gas by tracheae 9, air cylinder device provides thrust to davit 2, makes davit 2 reach the outside of suspender body 1, thereby blocks by hoisting object.Pneumatic sling provided by the invention can be realized the inherently safe of hoisting process, and under the unexpected operating mode of power-off suddenly, suspender still keeps, to by the seized condition of hoisting object, effectively avoiding the generation of unexpected unhook accident.And this pneumatic sling do not need power supply, saved electric power, be applicable to not have the working environment of power supply, can be used to operate the spentnuclear fuel basin in HTGR Nuclear Power Plant and other types of nuclear power station, also can be applicable to the lifting of all kinds of containers of general industry.
Referring to Fig. 1 and 2, is a kind of embodiment of the present invention, and for the ease of lift this pneumatic sling by crane, preferably, described suspender body 1 is provided with mounting hole, by described mounting hole, lifting steel rope is installed.More preferably, in described mounting hole, be connected with two cover steel rope the first steel rope 19 and the second steel ropes 20, by the installation in advance of this two covers steel rope, can directly utilize crane to pass through this two covers steel rope and lift this pneumatic sling.In order to realize the Long-distance Control of pneumatic sling, avoid operating personal to operate at the scene, preferably, the valve of described tracheae 9 is controlled by remote-control switch, has realized the Long-distance Control of suspender.
Refer to Fig. 3 and 4, the number of this air cylinder device can be set as required, and preferably, described air cylinder device is 3-8.There is shown in the bottom of suspender body 1 periphery and have four holes, in each hole, be provided with 1 air cylinder device.This air cylinder device can adopt various suitable structure designs, preferably, it comprises piston 17, piston rod 12, spring 16He piston chamber 6, piston chamber 6 is positioned at davit 2 in the side near suspender body, this piston chamber 6 consists of the piston 17 in outside and 13 sealings of the davit end cap of inner side, described piston 17 is connected with the piston rod 12 through davit end cap 13, between described piston 17 and davit 1, be provided with spring 16, described davit end cap 13 is connected with davit 2, and described tracheae 9 is connected with piston chamber 6.When the high pressure gas valve of air inlet pipe 9 upstreams is opened, drain tap is closed, in piston chamber 6, it is high pressure, davit end plug 13 under High Pressure in inner side, close with cylinder end piece 11, end cap cavity 7 is in compressive state, 6 of the piston chamber expansion state in high pressure, now spring 16, in compressive state, is deep in davit body 1 davit 2.When the high pressure gas valve of air inlet pipe 9 upstreams is closed, drain tap is opened, in piston chamber 6, it is normal pressure, davit end cap 13 under the tension force effect of spring 16 in outermost, away from cylinder end piece 11, end cap cavity 7 is in expansion state (volume is larger), and 6 of piston chamber are in compressive state, now spring 16, in open configuration, makes davit 2 reach the outside of davit body 1.
Below in conjunction with embodiment, the process of pneumatic sling lifting basin of the present invention is described:
When needs lift basin, cage elevator unit is connected with 20 by steel rope 19 and lifts basin suspender, basin suspender is fallen to being placed into the upper surface of basin 21, davit 2 is fallen the bottom of basin 21 top boards, close the high pressure gas valve of air inlet pipe 9 upstreams, open the drain tap of air inlet pipe 9 upstreams, high pressure in piston chamber 6 is released into normal pressure, davit 2 outwards opens under the extrapolation effect of spring 16, thereby catch the hoisting port of basin top board, now end cap cavity 7 is in expansion state (volume is larger), 6 of piston chamber are in compressive state (small volume), spring 16 is not in open configuration (substantially stressing).When cage elevator unit is sling basin suspender by steel rope 19 and 20, basin suspender is sling basin 21 by the davit 2 opening.
When needs are decontroled the basin of lifting, cage elevator unit is connected with 20 by steel rope 19 and lifts basin suspender, the davit 2 of suspender is caught the hoisting port of basin 21 top boards in open configuration, now, close the drain tap of air inlet pipe 9 upstreams, open the high pressure gas valve of air inlet pipe 9 upstreams, in piston chamber 6, be filled with high pressure air, davit end plug 13 moves to inner side under High Pressure, close with cylinder end piece 11, end cap cavity 7 is in compressed (small volume) state, 6 of the piston chamber expansion state (volume is larger) in high pressure, now spring 16 is in compressive state (being compressed power), 2 of davits are in retracted state, thereby can throw off from the hoisting port of basin 21 top boards.
As can be seen from the above embodiments, the embodiment of the present invention is by adopting cylinder that propulsive effort is provided, the lifting of realization to object, reliability is high, can realize the inherently safe of hoisting process, under the unexpected operating mode of power-off suddenly, suspender still keeps, to by the seized condition of hoisting object, effectively avoiding the generation of unexpected unhook accident.And this pneumatic sling do not need power supply, saved electric power, be applicable to not have the working environment of power supply, can be used to operate the spentnuclear fuel basin in HTGR Nuclear Power Plant and other types of nuclear power station, also can be applicable to the lifting of all kinds of containers of general industry.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (7)
1. the pneumatic sling for nuclear station, it is characterized in that, comprise suspender body, davit, air cylinder device and tracheae, the periphery of described suspender body is provided with several air cylinder devices, the outside of each air cylinder device is connected with davit, and described tracheae is connected with air cylinder device, for air inlet being provided to air cylinder device and giving vent to anger, the air inlet that described air cylinder device provides according to tracheae and give vent to anger and provide thrust and pulling force to corresponding davit respectively, makes davit extend into different depth in suspender body;
Described air cylinder device comprises piston, piston rod, spring and piston chamber, described davit is provided with piston chamber in the side near suspender body, described piston chamber consists of the piston in outside and the davit end cap seal of inner side, described piston is connected with the piston rod through davit end cap, between described piston and davit, be provided with spring, described davit end cap is connected with davit, and described tracheae is connected with piston chamber;
In described piston rod, have pore, described pore is connected with tracheae;
Between described piston chamber and suspender body, be provided with end cap cavity, in described end cap cavity, be provided with deflation hole.
2. pneumatic sling as claimed in claim 1, is characterized in that, described suspender body is provided with mounting hole, by described mounting hole, lifting steel rope is installed.
3. pneumatic sling as claimed in claim 2, is characterized in that, in described mounting hole, is connected with steel rope, by this steel rope, lifts pneumatic sling.
4. pneumatic sling as claimed in claim 1, is characterized in that, described spring is arranged in spring chamber, and described spring chamber, between piston and davit, is provided with deflation hole in described spring chamber.
5. as the pneumatic sling of claim 1-3 as described in any one, it is characterized in that, the valve of described tracheae is controlled by remote-control switch, realizes the Long-distance Control of suspender.
6. as the pneumatic sling of claim 1-3 as described in any one, it is characterized in that, described suspender body is provided with davit plug, for limiting the move distance of davit.
7. as the pneumatic sling of claim 1-3 as described in any one, it is characterized in that, described air cylinder device is 3-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110423229.2A CN102515011B (en) | 2011-12-16 | 2011-12-16 | Pneumatic lifting tool for nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110423229.2A CN102515011B (en) | 2011-12-16 | 2011-12-16 | Pneumatic lifting tool for nuclear power plant |
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| CN102515011A CN102515011A (en) | 2012-06-27 |
| CN102515011B true CN102515011B (en) | 2014-02-19 |
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| CN201110423229.2A Active CN102515011B (en) | 2011-12-16 | 2011-12-16 | Pneumatic lifting tool for nuclear power plant |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608109B (en) * | 2015-01-20 | 2017-07-28 | 宁波菲仕电机技术有限公司 | Frock is picked and placeed during a kind of hot pressing housing |
| CN105668401A (en) * | 2016-03-09 | 2016-06-15 | 太原重工股份有限公司 | Nuclear power station crane and automatic gripping apparatus thereof |
| CN108792935B (en) * | 2018-06-22 | 2020-06-26 | 中广核工程有限公司 | Gripping apparatus device is transported to nuclear power station radioactive waste metal bucket |
| CN109448877A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of nuclear reactor pressure container check device hoisting mechanism and implementation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826445A (en) * | 1956-01-30 | 1958-03-11 | Tidland Charles Robert | Lifter for rolls and the like |
| US4050731A (en) * | 1976-01-26 | 1977-09-27 | Lynes, Inc. | Shifting apparatus |
| US5538304A (en) * | 1994-02-25 | 1996-07-23 | Eastman Kodak Company | Pneumatic devices |
| DE10060405A1 (en) * | 2000-12-05 | 2002-06-20 | Bayerische Motoren Werke Ag | Internal grab for pipes and bores has grab elements with clamping jaws moved by thrust pieces and enclosed by ring spring |
| CN200974227Y (en) * | 2006-12-01 | 2007-11-14 | 美的集团有限公司 | Detaching tool for tray stop cylinder |
| CN201333510Y (en) * | 2008-12-01 | 2009-10-28 | 贵阳奥特机电技术发展有限公司 | Horizontally open type clamp |
| CN101973017A (en) * | 2010-09-30 | 2011-02-16 | 无锡英特帕普威孚液压有限责任公司 | Automatic mounting device of retaining ring for hydraulic lifting valve shaft |
| CN201941758U (en) * | 2010-12-17 | 2011-08-24 | 李彦波 | Pressure-regulating three-way valve, assisted relay valve and brake pipeline system thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007131394A (en) * | 2005-11-09 | 2007-05-31 | Sanwa Tekki Corp | Hoisting accessory for container conveyance |
-
2011
- 2011-12-16 CN CN201110423229.2A patent/CN102515011B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826445A (en) * | 1956-01-30 | 1958-03-11 | Tidland Charles Robert | Lifter for rolls and the like |
| US4050731A (en) * | 1976-01-26 | 1977-09-27 | Lynes, Inc. | Shifting apparatus |
| US5538304A (en) * | 1994-02-25 | 1996-07-23 | Eastman Kodak Company | Pneumatic devices |
| DE10060405A1 (en) * | 2000-12-05 | 2002-06-20 | Bayerische Motoren Werke Ag | Internal grab for pipes and bores has grab elements with clamping jaws moved by thrust pieces and enclosed by ring spring |
| CN200974227Y (en) * | 2006-12-01 | 2007-11-14 | 美的集团有限公司 | Detaching tool for tray stop cylinder |
| CN201333510Y (en) * | 2008-12-01 | 2009-10-28 | 贵阳奥特机电技术发展有限公司 | Horizontally open type clamp |
| CN101973017A (en) * | 2010-09-30 | 2011-02-16 | 无锡英特帕普威孚液压有限责任公司 | Automatic mounting device of retaining ring for hydraulic lifting valve shaft |
| CN201941758U (en) * | 2010-12-17 | 2011-08-24 | 李彦波 | Pressure-regulating three-way valve, assisted relay valve and brake pipeline system thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-131394A 2007.05.31 |
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| CN102515011A (en) | 2012-06-27 |
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Effective date of registration: 20210113 Address after: 100193 building 26, Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing Patentee after: CHINERGY Co.,Ltd. Address before: 100084 mailbox, 100084-82 Tsinghua Yuan, Beijing, Haidian District, Beijing Patentee before: TSINGHUA University |
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