CN102515011A - Pneumatic lifting tool for nuclear power plant - Google Patents
Pneumatic lifting tool for nuclear power plant Download PDFInfo
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- CN102515011A CN102515011A CN2011104232292A CN201110423229A CN102515011A CN 102515011 A CN102515011 A CN 102515011A CN 2011104232292 A CN2011104232292 A CN 2011104232292A CN 201110423229 A CN201110423229 A CN 201110423229A CN 102515011 A CN102515011 A CN 102515011A
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- Prior art keywords
- davit
- suspender
- lifting
- piston
- pneumatic
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- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims description 7
- 239000002915 spent fuel radioactive waste Substances 0.000 abstract description 10
- 238000003860 storage Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000001141 propulsive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
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 the suspender technical field, particularly relate to a kind of pneumatic suspender that is used for nuclear station.
Background technology
As everyone knows, suspender is the instrument that is used to lift various kinds of equipment, and existing suspender has electromagnetic type, pneumatic type, mainly is to let the equipment hoisting object by the propulsive effort that the outside provides.Owing to be to drive hoisting object,, jeopardize the safety of operating personal and lifting article in case, the accident that drops of hoisting object will take place because the situation that external force disappears appears in accident through external force.
Under hazardous environments such as nuclear, high temperature, the reliability requirement of suspender is higher, under various operating modes, all will guarantee the safety of hoisting object.After in March, the 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; The high temperature nuclear reactor nuclear station be acknowledged as have the 4th generation the nuclear power principal character nuclear station, have inherently safe, prevent nuclear proliferation, can produce advantages such as high-temperature technology heat.Atomic fuel mainly is made up of fissile material and fertile material.Fissile material in the reactor can discharge great amount of heat, 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 with pressurized-water reactor nuclear power plant,, needs to adopt to be fit to the storage vessel that spheric fuel element is stored, and be stored in the suitable intermediate storage facility from the spherical spentnuclear fuel that reactor core is discharged.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, can't adapt to particular surroundings work such as nuclear, high temperature.
Summary of the invention
The technical matters that (one) will solve
The technical matters that the present invention will solve is: effectively avoid suspender because the accident of the unexpected hoisting object that occurs comes off, improve the reliability of suspender.
(2) technical scheme
In order to solve the problems of the technologies described above, the present invention provides a kind of pneumatic suspender that is used for nuclear station.
Wherein, Said pneumatic suspender comprises suspender body, davit, air cylinder device and tracheae, and the periphery of said suspender body is provided with several air cylinder devices, and the outside of each air cylinder device is connected with davit; Said tracheae is connected with air cylinder device; Be used for air inlet is provided and gives vent to anger to air cylinder device, the air inlet that said air cylinder device provides according to tracheae and give vent to anger and to cooresponding davit thrust and pulling force are provided respectively makes davit extend into different depth in the suspender body.
Preferably, said suspender body is provided with mounting hole, through said mounting hole the lifting steel rope is installed.
Preferably, be connected with steel rope in the said mounting hole, lift pneumatic suspender through this steel rope.
Preferably; Said air cylinder device comprises piston, piston rod, spring and piston chamber, and said davit is provided with piston chamber in the side near the suspender body, and said piston chamber is made up of with inboard davit end cap seal the piston in the outside; Said piston is connected with the piston rod that passes the davit end cap; Be provided with spring between said piston and the davit, said davit end cap is connected with davit, and said tracheae is connected with piston chamber.
Preferably, have pore in the said piston rod, said pore is connected with tracheae.
Preferably, be provided with end cap cavity between said piston chamber and the suspender body, be provided with deflation hole in the said end cap cavity.
Preferably, said spring is arranged in the spring chamber, and said spring chamber is provided with deflation hole in the said spring chamber between piston and davit.
Preferably, the valve of said tracheae is controlled by remote-control switch, realizes the Long-distance Control of suspender.
Preferably, said davit body is provided with the davit plug, is used to limit the move distance of davit.
Preferably, said air cylinder device is 3-8.
(3) beneficial effect
Technique scheme has following advantage: the pneumatic suspender that is used 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 sudden power, suspender still keeps effectively avoiding the generation of unexpected unhook accident to by the seized condition of hoisting object.And this pneumatic suspender do not need power supply, saved electric power, goes for not having the working environment of power supply, can be used to operate the spentnuclear fuel basin in HTGR nuclear station and other types of nuclear power station, can be applicable to the lifting of all kinds of containers of general industry yet.
Description of drawings
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: the suspender body; 2: davit; 3: the first deflation holes; 4: spring chamber; 5: the second series 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: the davit end cap; 14: the 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 accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Shown in Fig. 1-4; Be a kind of embodiment of the present invention; This pneumatic suspender comprises suspender body 1, davit 2, air cylinder device and tracheae 9, and the periphery of suspender body 1 is provided with several air cylinder devices, and the outside of each air cylinder device is connected with davit 2; Said tracheae 9 is connected with air cylinder device; Be used for air inlet is provided and gives vent to anger to air cylinder device, the air inlet that said air cylinder device provides according to tracheae 9 and give vent to anger and to cooresponding davit 2 thrust and pulling force are provided respectively makes davit 2 extend into different depth in the suspender body 1.Pneumatic suspender 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 suspender of the present invention to carry out hoisting object, to air cylinder device high pressure admission is provided through tracheae 9, thereby pulling force is provided for davit 2, make davit 2 be deep in the suspender body 1, be convenient to be inserted into by in the hoisting object; Close the air intake valve of tracheae 9 then, and discharge high pressure gas through tracheae 9, air cylinder device provides thrust for davit 2, makes davit 2 reach the outside of suspender body 1, thereby blocks by hoisting object.Pneumatic suspender provided by the invention can be realized the inherently safe of hoisting process, and under the unexpected operating mode of sudden power, suspender still keeps effectively avoiding the generation of unexpected unhook accident to by the seized condition of hoisting object.And this pneumatic suspender do not need power supply, saved electric power, is applicable to the working environment that does not have power supply, can be used to operate the spentnuclear fuel basin in HTGR nuclear station and other types of nuclear power station, can be applicable to the lifting of all kinds of containers of general industry yet.
See also Fig. 1 and 2, be a kind of embodiment of the present invention, for the ease of lift this pneumatic suspender through crane, preferably, said suspender body 1 is provided with mounting hole, through said mounting hole the lifting steel rope is installed.More preferably, be connected with two cover steel rope first steel rope 19 and second steel ropes 20 in the said mounting hole,, can directly utilize crane to pass through this this pneumatic suspender of two covers steel rope lifting through the installation in advance of this two covers steel rope.In order to realize the Long-distance Control of pneumatic suspender, avoid operating personal to operate at the scene, preferably, the valve of said tracheae 9 is controlled by remote-control switch, has realized the Long-distance Control of suspender.
See also Fig. 3 and 4, the number of this air cylinder device can be set as required, and preferably, said air cylinder device is 3-8.Illustrated among the figure in the bottom of suspender body 1 periphery and had four holes, be provided with 1 air cylinder device in each hole.This air cylinder device can adopt various suitable structure designs; Preferably; It comprises piston 17, piston rod 12, spring 16 and piston chamber 6, and piston chamber 6 is positioned at davit 2 in the side near the suspender body, and this piston chamber 6 is made up of the piston 17 in the outside and inboard davit end cap 13 sealings; Said piston 17 is connected with the piston rod that passes davit end cap 13 12; Be provided with spring 16 between said piston 17 and the davit 1, said davit end cap 13 is connected with davit 2, and said tracheae 9 is connected with piston chamber 6.Open when the high pressure gas valve at air inlet pipe 9 upper reaches, drain tap is closed, and is high pressure in the piston chamber 6; Davit end plug 13 is in the most inboard under the high pressure effect; With cylinder end piece 11 near, end cap cavity 7 is in compressive state, 6 of piston chamber are in high-voltage expansion state; This moment, spring 16 was in compressive state, made davit 2 be deep in the davit body 1.Close when the high pressure gas valve at air inlet pipe 9 upper reaches, drain tap is opened, and is normal pressure in the piston chamber 6; Davit end cap 13 is in outermost under the tension force effect of spring 16; Away from cylinder end piece 11, end cap cavity 7 is in expansion state (volume is bigger), and 6 of piston chamber are in compressive state; This moment, spring 16 was in open configuration, made davit 2 reach the outside of davit body 1.
Below in conjunction with embodiment the process of pneumatic suspender lifting basin of the present invention is described:
When needs lifted basin, cage elevator unit was connected with 20 through steel rope 19 and lifts the basin suspender, the 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, closes the high pressure gas valve at air inlet pipe 9 upper reaches, opens the drain tap at air inlet pipe 9 upper reaches; High pressure in the piston chamber 6 is released into normal pressure; Davit 2 outwards opens under the extrapolation effect of spring 16, thereby catches the lifting mouth of basin top board, and this moment, end cap cavity 7 was in expansion state (volume is bigger); 6 of piston chamber are in compressive state (volume is less), and spring 16 is in open configuration (not stressing basically).When cage elevator unit was sling the basin suspender through steel rope 19 and 20, the basin suspender was sling basin 21 through open davit 2.
When needs were decontroled the basin of lifting, cage elevator unit was connected with 20 through steel rope 19 and lifts the basin suspender, and the davit 2 of suspender is in the lifting mouth that open configuration is caught basin 21 top boards; At this moment, close the drain tap at air inlet pipe 9 upper reaches, open the high pressure gas valve at air inlet pipe 9 upper reaches; Charge into high pressure air in the piston chamber 6; Davit end plug 13 moves to the most inboard under the high pressure effect, with cylinder end piece 11 near, end cap cavity 7 is in (volume the is less) state that is compressed; 6 of piston chamber are in high-voltage expansion state (volume is bigger); This moment, spring 16 was in compressive state (being compressed power), and 2 of davits are in retracted state, thereby can throw off from the lifting mouth of basin 21 top boards.
Can find out by above embodiment; The embodiment of the invention provides propulsive effort through adopting cylinder, realizes the lifting to object, and reliability is high; Can realize the inherently safe of hoisting process; Under the unexpected operating mode of sudden power, suspender still keeps effectively avoiding the generation of unexpected unhook accident to by the seized condition of hoisting object.And this pneumatic suspender do not need power supply, saved electric power, is applicable to the working environment that does not have power supply, can be used to operate the spentnuclear fuel basin in HTGR nuclear station and other types of nuclear power station, can be applicable to the lifting of all kinds of containers of general industry yet.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.
Claims (10)
1. a pneumatic suspender that is used for nuclear station is characterized in that, comprises suspender body, davit, air cylinder device and tracheae; The periphery of said suspender body is provided with several air cylinder devices; The outside of each air cylinder device is connected with davit, and said tracheae is connected with air cylinder device, and being used for provides air inlet and give vent to anger to air cylinder device; The air inlet that said air cylinder device provides according to tracheae and give vent to anger and to cooresponding davit thrust and pulling force are provided respectively makes davit extend into different depth in the suspender body.
2. pneumatic suspender as claimed in claim 1 is characterized in that, said suspender body is provided with mounting hole, through said mounting hole the lifting steel rope is installed.
3. pneumatic suspender as claimed in claim 2 is characterized in that, is connected with steel rope in the said mounting hole, lifts pneumatic suspender through this steel rope.
4. like any one described pneumatic suspender of claim 1-3, it is characterized in that said air cylinder device comprises piston, piston rod, spring and piston chamber; Said davit is provided with piston chamber in the side near the suspender body; Said piston chamber is made up of with inboard davit end cap seal the piston in the outside, and said piston is connected with the piston rod that passes the davit end cap, is provided with spring between said piston and the davit; Said davit end cap is connected with davit, and said tracheae is connected with piston chamber.
5. pneumatic suspender as claimed in claim 4 is characterized in that, has pore in the said piston rod, and said pore is connected with tracheae.
6. pneumatic suspender as claimed in claim 4 is characterized in that, is provided with end cap cavity between said piston chamber and the suspender body, is provided with deflation hole in the said end cap cavity.
7. pneumatic suspender as claimed in claim 4 is characterized in that said spring is arranged in the spring chamber, and said spring chamber is provided with deflation hole in the said spring chamber between piston and davit.
8. like any one described pneumatic suspender of claim 1-3, it is characterized in that the valve of said tracheae is controlled by remote-control switch, realize the Long-distance Control of suspender.
9. like any one described pneumatic suspender of claim 1-3, it is characterized in that said davit body is provided with the davit plug, is used to limit the move distance of davit.
10. like any one described pneumatic suspender of claim 1-3, it is characterized in that said 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102515011A true CN102515011A (en) | 2012-06-27 |
| CN102515011B CN102515011B (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110423229.2A Active CN102515011B (en) | 2011-12-16 | 2011-12-16 | Pneumatic lifting tool for nuclear power plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN102515011B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608109A (en) * | 2015-01-20 | 2015-05-13 | 宁波菲仕电机技术有限公司 | Pick-and-place tool used in shell hot pressing process |
| 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 |
| CN108792935A (en) * | 2018-06-22 | 2018-11-13 | 中广核工程有限公司 | Nuclear power station radwaste metal drum transports gripping apparatus |
| 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 |
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|---|---|---|---|---|
| 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 |
| JP2007131394A (en) * | 2005-11-09 | 2007-05-31 | Sanwa Tekki Corp | Hoisting accessory for container conveyance |
| 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 |
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2011
- 2011-12-16 CN CN201110423229.2A patent/CN102515011B/en active Active
Patent Citations (9)
| 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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608109A (en) * | 2015-01-20 | 2015-05-13 | 宁波菲仕电机技术有限公司 | Pick-and-place tool used in shell hot pressing process |
| 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 |
| CN108792935A (en) * | 2018-06-22 | 2018-11-13 | 中广核工程有限公司 | Nuclear power station radwaste metal drum transports gripping apparatus |
| 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 |
| CN109448877B (en) * | 2018-12-21 | 2024-05-10 | 核动力运行研究所 | Hoisting mechanism of nuclear reactor pressure vessel inspection device and implementation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102515011B (en) | 2014-02-19 |
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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 |