CN104485144A - Shielding device for transferring radioactive waste bins of nuclear power plants - Google Patents
Shielding device for transferring radioactive waste bins of nuclear power plants Download PDFInfo
- Publication number
- CN104485144A CN104485144A CN201410741054.3A CN201410741054A CN104485144A CN 104485144 A CN104485144 A CN 104485144A CN 201410741054 A CN201410741054 A CN 201410741054A CN 104485144 A CN104485144 A CN 104485144A
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- Prior art keywords
- radome
- radioactive waste
- fixed pulley
- pulley group
- nuclear power
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Nuclear Medicine (AREA)
Abstract
The invention discloses a shielding device for transferring radioactive waste bins of nuclear power plants. The shielding device comprises a shielding case. A gripping apparatus which is used for gripping the radioactive waste bins is arranged in the shielding case, a lifting device is arranged on the shielding case, the gripping apparatus can ascend and descend by the aid of the lifting device, and a hoisting component which is used for being connected with hoisting equipment is arranged on the outside of the shielding case. The shielding device for transferring the radioactive waste bins of the nuclear power plants has the advantages that the radioactive waste bins [high integral containers (HIC)] are hoisted by the aid of the shielding case, accordingly, the dose rate level of ambient environments can be obviously lowered in HIC hoisting procedures, the maintenance probability can be improved in the hoisting procedures, and radioactive leaking risks in the HIC hoisting procedures can be reduced.
Description
Technical field
The present invention relates to radioactive waste safe transit technology, more particularly, the present invention relates to a kind of nuclear power station radioactive waste bucket transhipment shield assembly.
Background technology
In order to meet the minimization principle of refuse, nuclear power station can adopt radioactive waste bucket (high overall container to the radioactive spent resin of band and useless filter core, English abbreviation " HIC ") store, when storing spent resin and useless filter core, the dosage of vessel surface can reach 10Sv/h.After high overall container fills spent resin or useless filter core, radioactive waste temporary library (English abbreviation " QT ") will be transported to and store.
At present, in the overall Container transfering process of whole height, except having corresponding cask flask and protect on transport vehicle, hoist, decline and all there is no corresponding shielding protection in aerial handling process, be in naked state of hanging.Once hanging device fault is as crane bite, the difficulty of operations staff to crane or suspender maintenance is very large, likely cannot keep in repair.In addition, during exposed lifting, high dosage irradiation is also comparatively large on the irradiation impact of crane electric component, and electrical component failures rate is higher, easily causes lifting faults frequent.
In view of this, necessaryly provide a kind of nuclear power station radioactive waste bucket transhipment shield assembly, in whole transport process, be all in masked state to realize high overall container.
Summary of the invention
The object of the invention is to: a kind of nuclear power station radioactive waste bucket transhipment shield assembly is provided, realizes high overall container and be all in masked state in whole transport process.
To achieve these goals, the invention provides a kind of nuclear power station radioactive waste bucket transhipment shield assembly, it comprises radome, gripping apparatus for capturing radioactive waste bucket is set in radome, radome is arranged for promoting and the jacking gear of the gripping apparatus that declines, the lifting part connected for hanging device is set outside radome.Utilize the jacking gear on radome to be elevated the gripping apparatus being positioned at radome, thus the storage of radioactive waste bucket is carried out handling to radome, decrease radiation, and critical piece is all arranged on and is convenient to maintenance outside radome.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, jacking gear comprises running block, left fixed pulley group, right fixed pulley group, left reducing motor, right reducing motor, left reel and right reel, left fixed pulley group, left reducing motor, left reel is arranged on the left side outside radome, right fixed pulley group, right reducing motor, right reel is arranged on the right side outside radome, running block is positioned at the centre of radome, the output shaft of left reducing motor is connected with the rotation axis of left reel, the output shaft of right reducing motor is connected with the rotation axis of right reel, left reel, left fixed pulley group, running block, pulley drive mechanism is formed by a wire rope between right fixed pulley group and right reel, running block is connected with gripping apparatus.Utilize pulley blocks to form transmission, structure is simple, saves power and easy to maintenance.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, radome is a cylindrical shell, comprise cylindrical shell top board and cylindrical shell coaming plate, left fixed pulley group and right fixed pulley group be separately fixed at cylindrical shell top board both sides and in same diametric(al), cylindrical shell coaming plate is provided with a back up pad, the side of corresponding left fixed pulley group arranges left reel and left reducing motor on the supporting plate, the side of corresponding right fixed pulley group arranges right reel and right reducing motor on the supporting plate, one end of wire rope is connected on left reel, left fixed pulley group walked around successively by wire rope, running block and right fixed pulley group, the other end of wire rope is connected on right reel.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, and back up pad is arranged on the bottom of cylindrical shell coaming plate.Back up pad is arranged on the bottom of cylindrical shell coaming plate, increases the distance between reel and fixed pulley, makes resistance less, and lifting and the landing of travelling block are more smooth and easy.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, and arrange hanger in the both sides, top of cylindrical shell coaming plate, lifting part is a crossbeam, and the centre of crossbeam arranges hole for hoist, and the two ends of crossbeam are connected with hanger.Utilize crossbeam to connect as the suspension hook of lifting part for crane, lifting surface area is large, ensure that the balance of shield assembly during handling.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, and the direction of crossbeam is vertical with the direction of left fixed pulley group, right fixed pulley group, and is arranged in the diametric(al) of cylindrical shell top board.The setting direction of crossbeam leaves larger operating space to the suspension hook of crane, and balance when can further ensure handling.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, and the left fixed pulley group on the left of radome, left reducing motor, left reel are symmetrical arranged with the right fixed pulley group on the right side of radome, right reducing motor, right reel.Parts outside aforementioned radome are symmetrical arranged and make shield assembly of the present invention in handling process, keep balance.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, jacking gear can be another kind of structure, it comprises screw mandrel and screw rod driving device, screw mandrel and screw rod driving device are arranged on the top outside radome, and one end of screw mandrel vertically enters in described radome and is connected with described gripping apparatus.By the upper and lower displacement campaign of screw mandrel, make gripping apparatus carry out promoting and declining, radioactive waste bucket is captured and receives in radome.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, jacking gear can be another kind of structure, comprise cylinder and extension rod, cylinder is arranged on the crown center outside radome, and the piston rod of cylinder is connected with the gripping apparatus in radome by extension rod.By the upper and lower displacement campaign of piston rod, make gripping apparatus carry out promoting and declining, radioactive waste bucket is captured and receives in radome.
One as nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is improved, and the inwall and gripping apparatus of radome are provided with wireless transmission camera.Wireless camera allows operating personnel know to see the situation in radome, ensures carrying out smoothly of operation.Or, also sensor can be set on gripping apparatus, utilize control system automatically to control.
Compared with prior art, nuclear power station radioactive waste bucket transhipment shield assembly of the present invention adopts the mode of radome to lift radioactive waste bucket (high overall container, HIC), the dose rate level of surrounding environment in HIC hoisting process is greatly reduced.In addition, improve the possibility of keeping in repair in hoisting process, reduce the radioactive leak risk existed in HIC hoisting process.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the structure of nuclear power station radioactive waste bucket transhipment shield assembly of the present invention and Advantageous Effects thereof are described in detail.
Fig. 1 is the structural representation of nuclear power station radioactive waste bucket transhipment shield assembly of the present invention.
Fig. 2 is the vertical view of the radioactive waste of nuclear power station shown in Fig. 1 bucket transhipment shield assembly.
Fig. 3 is the cut-open view along A-A in Fig. 2.
Fig. 4 is the schematic diagram that nuclear power station radioactive waste bucket transhipment shield assembly of the present invention is connected with QT crane.
Fig. 5 is that nuclear power station radioactive waste bucket transhipment shield assembly of the present invention docks schematic diagram with the cask flask on transport vehicle.
Fig. 6 is that radioactive waste bucket is received into the schematic diagram of nuclear power station radioactive waste bucket transhipment shield assembly of the present invention from the cask flask transport vehicle.
Embodiment
In order to make goal of the invention of the present invention, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.Should be understood that, the embodiment described in this instructions is only used to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, nuclear power station radioactive waste bucket transhipment shield assembly of the present invention comprises radome 1, gripping apparatus 2 for capturing radioactive waste bucket is set in radome 1, radome 1 is arranged for promoting and the jacking gear of the gripping apparatus that declines, the lifting part 3 connected for hanging device is set outside radome.Gripping apparatus 2 is conventional HIC gripping apparatus, the jacking gear on radome 1 is utilized to be elevated the gripping apparatus 2 being positioned at radome, thus the storage of radioactive waste bucket is carried out handling to radome 1, decrease radiation, and critical piece is all arranged on and is convenient to maintenance outside radome.The inwall and gripping apparatus of radome are provided with wireless transmission camera (not shown).Wireless camera allows operating personnel know to see the situation in radome, ensures carrying out smoothly of operation.
Radome 1 is cylindrical shell, comprises cylindrical shell top board 4 and cylindrical shell coaming plate 5, and the diameter of cylindrical shell top board 4 and the height of cylindrical shell coaming plate 5 are not less than diameter and the height of radioactive waste bucket.Jacking gear comprises running block 6, left fixed pulley group 7, right fixed pulley group 8, left reducing motor 9, right reducing motor 10, left reel 11 and right reel 12, left fixed pulley group 7, left reducing motor 9, left reel 11 is arranged on the left side outside radome 1, right fixed pulley group 8, right reducing motor 10, right reel 12 is arranged on the right side outside radome 1, running block 6 is positioned at the centre of radome 1 inside, the output shaft of left reducing motor 9 is connected with the rotation axis of left reel 11, the output shaft of right reducing motor 10 is connected with the rotation axis of right reel 12, left reel 11, left fixed pulley group 7, running block 6, pulley drive mechanism is formed by wire rope 13 between right fixed pulley group 8 and right reel 12, running block 6 is connected with gripping apparatus 2.Utilize pulley blocks to form transmission, structure is simple, saves power and easy to maintenance.Left fixed pulley group 7 and right fixed pulley group 8 be separately fixed at cylindrical shell top board 4 both sides and in same diametric(al), cylindrical shell coaming plate 5 is provided with back up pad 14, in back up pad 14, the side of corresponding left fixed pulley group 7 arranges left reel 11 and left reducing motor 9, in back up pad 14, the side of corresponding right fixed pulley group 8 arranges right reel 12 and right reducing motor 10, one end of wire rope 13 is connected on left reel 11, wire rope 13 walks around left fixed pulley group 7, running block 6 and right fixed pulley group 8 successively, and the other end of wire rope 13 is connected on right reel 12.Back up pad 14 selects the bottom being arranged on cylindrical shell coaming plate 5, can increase the distance between reel and fixed pulley, make resistance less, and lifting and the landing of travelling block are more smooth and easy.Left fixed pulley group 7 on the left of radome 1, left reducing motor 9, left reel 11 are symmetrical arranged with 8 groups, right fixed pulley on the right side of radome 1, right reducing motor 10, right reel 12.What wherein reducing motor did as another is for subsequent use, can work by turns, in case can not cause the termination of work when wherein an electrical fault occurs.
Lifting part 3 is crossbeam, and the centre of crossbeam arranges hole for hoist 15, arranges hanger 16 in the both sides, top of cylindrical shell coaming plate 5, and the two ends of crossbeam are connected with hanger 16.Utilize crossbeam to connect as the suspension hook of lifting part for crane, make lifting surface area large, ensure that the balance of shield assembly during handling.The direction of crossbeam is vertical with the direction of left fixed pulley group 7, right fixed pulley group 8, and is arranged in the diametric(al) of cylindrical shell top board 4.The setting direction of crossbeam leaves larger operating space to the suspension hook of crane, and balance when can further ensure handling.
Here is the course of work of nuclear power station radioactive waste bucket transhipment shield assembly of the present invention:
Refer to Fig. 4, radioactive waste bucket (high overall container is lifted by crane utilizing nuclear power station radioactive waste bucket transhipment shield assembly of the present invention, English abbreviation " HIC ") before, the numerical control hoist lifting hook 17 of lifting part 3 i.e. crossbeam with radioactive waste temporary library (English abbreviation " QT ") is connected, thus can realizes utilizing the whole shield assembly of QT numerical control crane handling.
Refer to Fig. 5, crane is utilized to be winched to by nuclear power station radioactive waste bucket transhipment shield assembly of the present invention after above the cask flask 18 of transport vehicle to fall to docking with cask flask, jacking gear is started working, and running block 6 landing makes gripping apparatus 2 close and the radioactive waste bucket 19 captured in cask flask 18.The wireless transmission camera on radome and gripping apparatus can be utilized to observe operational circumstances, or utilize sensor to realize automatic capturing.
Refer to Fig. 6, after radioactive waste bucket 19 caught by gripping apparatus 2, start jacking gear and make running block 6 increase, promote radioactive waste bucket 19 and receive in radome 1, then crane will be transported it and store to radioactive waste temporary library (QT).
In other embodiments, jacking gear is lead screw device, comprises screw mandrel and screw rod driving device, and screw mandrel and screw rod driving device are arranged on the top outside radome, and one end of screw mandrel vertically enters in described radome and is connected with described gripping apparatus.By the upper and lower displacement campaign of screw mandrel, make gripping apparatus carry out promoting and declining, radioactive waste bucket is captured and receives in radome.Or jacking gear is air cylinder device, comprise cylinder and extension rod, cylinder is arranged on the crown center outside radome, and the piston rod of cylinder is connected with the gripping apparatus in radome by extension rod.By the upper and lower displacement campaign of piston rod, make gripping apparatus carry out promoting and declining, radioactive waste bucket is captured and receives in radome.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. a nuclear power station radioactive waste bucket transhipment shield assembly, it is characterized in that, comprise: radome, gripping apparatus for capturing radioactive waste bucket is set in radome, radome is arranged for promoting and the jacking gear of the described gripping apparatus that declines, the lifting part connected for hanging device is set outside radome.
2. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 1, it is characterized in that, described jacking gear comprises running block, left fixed pulley group, right fixed pulley group, left reducing motor, right reducing motor, left reel and right reel, left fixed pulley group, left reducing motor, left reel is arranged on the left side outside described radome, right fixed pulley group, right reducing motor, right reel is arranged on the right side outside described radome, running block is positioned at the centre of described radome, the output shaft of left reducing motor is connected with the rotation axis of left reel, the output shaft of right reducing motor is connected with the rotation axis of right reel, left reel, left fixed pulley group, running block, pulley drive mechanism is formed by a wire rope between right fixed pulley group and right reel, running block is connected with described gripping apparatus.
3. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 2, it is characterized in that, described radome is a cylindrical shell, comprise cylindrical shell top board and cylindrical shell coaming plate, described left fixed pulley group and right fixed pulley group be separately fixed at cylindrical shell top board both sides and in same diametric(al), described cylindrical shell coaming plate is provided with a back up pad, the side of corresponding left fixed pulley group arranges left reel and left reducing motor on the supporting plate, the side of corresponding right fixed pulley group arranges right reel and right reducing motor on the supporting plate, one end of described wire rope is connected on left reel, left fixed pulley group walked around successively by wire rope, running block and right fixed pulley group, the other end of wire rope is connected on right reel.
4. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 3, it is characterized in that, described back up pad is arranged on the bottom of described cylindrical shell coaming plate.
5. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 3, it is characterized in that, arrange hanger in the both sides, top of described cylindrical shell coaming plate, described lifting part is a crossbeam, the centre of crossbeam arranges hole for hoist, and the two ends of crossbeam are connected with hanger.
6. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 5, is characterized in that, the direction of described crossbeam is vertical with the direction of left fixed pulley group, right fixed pulley group, and is arranged in the diametric(al) of described cylindrical shell top board.
7. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 2, it is characterized in that, the left fixed pulley group on the left of described radome, left reducing motor, left reel are symmetrical arranged with the right fixed pulley group on the right side of radome, right reducing motor, right reel.
8. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 1, it is characterized in that, described jacking gear comprises screw mandrel and screw rod driving device, screw mandrel and screw rod driving device are arranged on the top outside described radome, and one end of screw mandrel vertically enters in described radome and is connected with described gripping apparatus.
9. nuclear power station radioactive waste bucket transhipment shield assembly according to claim 1, it is characterized in that, described jacking gear comprises cylinder and extension rod, and cylinder is arranged on the crown center outside described radome, and the piston rod of cylinder is connected with the gripping apparatus in radome by extension rod.
10. the nuclear power station radioactive waste bucket transhipment shield assembly according to the arbitrary claim of claim 1 to 9, is characterized in that, the inwall and gripping apparatus of described radome are provided with wireless transmission camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741054.3A CN104485144A (en) | 2014-12-08 | 2014-12-08 | Shielding device for transferring radioactive waste bins of nuclear power plants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741054.3A CN104485144A (en) | 2014-12-08 | 2014-12-08 | Shielding device for transferring radioactive waste bins of nuclear power plants |
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| CN104485144A true CN104485144A (en) | 2015-04-01 |
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| CN201410741054.3A Pending CN104485144A (en) | 2014-12-08 | 2014-12-08 | Shielding device for transferring radioactive waste bins of nuclear power plants |
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| CN106816196A (en) * | 2015-11-30 | 2017-06-09 | 江苏核电有限公司 | A kind of container shield device |
| CN107161625A (en) * | 2017-06-08 | 2017-09-15 | 中广核研究院有限公司 | Sealed compartment for hazardous materials transportation, the transportation resources using the sealed compartment |
| WO2018191852A1 (en) * | 2017-04-17 | 2018-10-25 | 西安大医数码技术有限公司 | Source removing and introducing tooling, smart cart and source removing and introducing system |
| CN109406207A (en) * | 2018-11-12 | 2019-03-01 | 中核四川环保工程有限责任公司 | A kind of Spent Radioactive liquid storage tank radioactive deposite sampling system and its application method |
| CN109530388A (en) * | 2018-10-31 | 2019-03-29 | 东华理工大学 | A kind of active nucleus waste matter recyclable device based on salt cave |
| CN109659059A (en) * | 2019-01-02 | 2019-04-19 | 中国核电工程有限公司 | Handle device, system, method and the application of radioactive waste |
| CN110379531A (en) * | 2019-06-03 | 2019-10-25 | 青岛东卡环保工程技术有限公司 | A kind of elimination of nuclear facilities dismounting items workshop is interior to transport cask flask |
| CN110600157A (en) * | 2019-09-12 | 2019-12-20 | 中核核电运行管理有限公司 | Transportation device of fuel assembly gripping apparatus |
| CN110634584A (en) * | 2019-09-23 | 2019-12-31 | 中国核动力研究设计院 | Ball valve type shielding transfer device |
| CN111341478A (en) * | 2018-12-18 | 2020-06-26 | 四川聚能核技术工程有限公司 | Barrel cover transferring gripping apparatus for steel barrel of radioactive waste container in nuclear power site |
| CN111755140A (en) * | 2020-01-09 | 2020-10-09 | 上海交通大学 | Automatic grabbing device suitable for low-middle level radioactive waste barrel |
| CN112259266A (en) * | 2020-10-21 | 2021-01-22 | 中国核动力研究设计院 | Shielding structure and shielding system for dismantling reactor detector assembly and using method |
| CN113020658A (en) * | 2021-03-23 | 2021-06-25 | 中国原子能科学研究院 | Hole opening and grabbing device |
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| CN106816196A (en) * | 2015-11-30 | 2017-06-09 | 江苏核电有限公司 | A kind of container shield device |
| WO2018191852A1 (en) * | 2017-04-17 | 2018-10-25 | 西安大医数码技术有限公司 | Source removing and introducing tooling, smart cart and source removing and introducing system |
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| CN109530388A (en) * | 2018-10-31 | 2019-03-29 | 东华理工大学 | A kind of active nucleus waste matter recyclable device based on salt cave |
| CN109530388B (en) * | 2018-10-31 | 2021-07-09 | 东华理工大学 | Radioactive nucleus waste recovery device based on salt cavern |
| CN109406207A (en) * | 2018-11-12 | 2019-03-01 | 中核四川环保工程有限责任公司 | A kind of Spent Radioactive liquid storage tank radioactive deposite sampling system and its application method |
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| CN111341478B (en) * | 2018-12-18 | 2024-04-19 | 四川聚能核技术工程有限公司 | Barrel cover transferring gripping apparatus for steel barrel of nuclear power site radioactive waste container |
| CN109659059A (en) * | 2019-01-02 | 2019-04-19 | 中国核电工程有限公司 | Handle device, system, method and the application of radioactive waste |
| CN110379531A (en) * | 2019-06-03 | 2019-10-25 | 青岛东卡环保工程技术有限公司 | A kind of elimination of nuclear facilities dismounting items workshop is interior to transport cask flask |
| CN110600157A (en) * | 2019-09-12 | 2019-12-20 | 中核核电运行管理有限公司 | Transportation device of fuel assembly gripping apparatus |
| CN110634584A (en) * | 2019-09-23 | 2019-12-31 | 中国核动力研究设计院 | Ball valve type shielding transfer device |
| CN111755140B (en) * | 2020-01-09 | 2022-06-28 | 上海交通大学 | Automatic grabbing device suitable for low-middle level radioactive waste barrel |
| CN111755140A (en) * | 2020-01-09 | 2020-10-09 | 上海交通大学 | Automatic grabbing device suitable for low-middle level radioactive waste barrel |
| CN112259266A (en) * | 2020-10-21 | 2021-01-22 | 中国核动力研究设计院 | Shielding structure and shielding system for dismantling reactor detector assembly and using method |
| CN113020658A (en) * | 2021-03-23 | 2021-06-25 | 中国原子能科学研究院 | Hole opening and grabbing device |
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