CN103077755A - Rod bundle grabbing tool - Google Patents
Rod bundle grabbing tool Download PDFInfo
- Publication number
- CN103077755A CN103077755A CN2011103303252A CN201110330325A CN103077755A CN 103077755 A CN103077755 A CN 103077755A CN 2011103303252 A CN2011103303252 A CN 2011103303252A CN 201110330325 A CN201110330325 A CN 201110330325A CN 103077755 A CN103077755 A CN 103077755A
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- China
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- handle
- grappling fixture
- urceolus
- hole
- grabbing tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention belongs to the technical field of heavy water reactor cobalt-60 production, and specifically relates to a rod bundle grabbing tool. According to the tool, from bottom to top, three connection rods of a grabbing head sequentially penetrate a grabbing head bottom plate, three steel pipes A, a positioning rack, three steel pipes B, a grabbing head top plate, and a long-handle outer cylinder connection plate. The three connection rods are respectively fixed on the long-handle outer cylinder connection plate through three nuts. Three hook claws are respectively uniformly fixed on the periphery of the positioning rack through three pins. A C-shaped slot with a downward opening is provided on the lower end of a guide cylinder of an operation handle. The lower end of the C-shaped slot is welded with an upper end of an outer cylinder. The lower end of the outer cylinder is welded with the long-handle outer cylinder connection plate. A slide block is positioned in the guide cylinder. A lever is arranged on the slide block, and penetrates the C-shaped slot on the guide cylinder. The upper end of a long-handle inner cylinder is welded with the slide block, and the lower end of the long-handle inner cylinder sequentially penetrates through the long-handle outer cylinder connection plate and a round hole at the center of the grabbing head top plate. The lower end of the long-handle inner cylinder is connected with a fastening plate with a bolt. The fastening plate is positioned between the positioning rack and the grabbing head top plate. The outer side of the fastening plate contacts guide planes on the inner sides on the upper ends of the three hook claws.
Description
Technical field
The invention belongs to heavy water reactor cobalt-60 production technical field, be specially a kind of cobalt-60 source rod rod cluster grabbing tool.
Background technology
Cobalt-60 source rod is cobalt regulating rod a kind of radiation source through obtaining behind the irradiation in heavy water reactor.Cobalt-60 source rod the assembly that draws off in the reactor need to pass through discharging, transport, tumble and the operation such as disintegration.Because cobalt-60 source rod assembly has radioactivity; in order to protect operating personnel, need place it under water, carry out on the water remote-controlled operation by operating personnel; therefore need a kind of can the shield water layer thickness, be convenient to again remote operated cobalt-60 source rod rod cluster grabbing tool.
Summary of the invention
The object of the present invention is to provide a kind of can the shield water layer thickness, be convenient to again remote operated cobalt-60 source rod rod cluster grabbing tool, avoid radiation injury with the protection operating personnel.
In order to achieve the above object, the technical solution adopted in the present invention is as follows: a kind of rod cluster grabbing tool, and this instrument comprises grappling fixture, operating handle and long handle; Grappling fixture comprises grappling fixture top board, three steel pipe A, latch, locating rack, three steel pipe B, three hooks, grappling fixture base plate, three connecting rods and long handle urceolus web joint; Operating handle comprises guide cylinder, handle, slide block; Long handle comprises inner core, urceolus; Described long handle urceolus web joint center has circular hole, evenly has three vertical through hole on every side; Grappling fixture top board center has circular hole, evenly has three vertical through hole on every side; Evenly have three vertical through hole around the grappling fixture base plate; Locating rack circlewise, the outside of ring is equidistant six teats, along circumferentially having three horizontal through hole, other three teats have three vertical through hole on three teats wherein, and horizontal through hole and vertical through hole are equidistant staggered; Three pins pass respectively three horizontal through hole of locating rack, fix respectively three hooks, and hook can rotate take pin as axle; Latch is the plectane that is polished into fillet around, and its lateral surface contacts with the spigot surface of inboard, three hook upper ends; Three connecting rods pass respectively grappling fixture base plate, three steel pipe A, locating rack, three steel pipe B, grappling fixture top board and long handle urceolus web joints from bottom to top successively, are fixed in respectively on the long handle urceolus web joint with three nuts; The guide cylinder lower end has the C shape groove that Open Side Down, the upper end welding of its lower end and urceolus, the lower end of urceolus and the welding of long handle urceolus web joint; Slide block is positioned at guide cylinder, can slide up and down in guide cylinder and left-right rotation, and handle is installed on the slide block, and passes the C shape groove on the guide cylinder, can slide and rests on left side or the right side minimum point of C shape groove along C shape groove; Inner core upper end and slide block welding, the lower end is passed the circular hole at long handle urceolus web joint and grappling fixture top board center successively, is bolted with latch, and latch is between locating rack and grappling fixture top board.
There is the boss of high 1mm the inboard, lower end of described hook.
Described grappling fixture base plate downside has a concave station that diameter is identical with the cluster top end diameter.
Described operating handle also comprises suspension ring and plug, suspension ring and plug welding, plug and the welding of guide cylinder upper end.
The C shape groove top of described guide cylinder is equipped with latch, is used for preventing the maloperation of handle.
Described C shape groove right side minimum point is higher than the left side minimum point.
Be welded with sign on the described urceolus, when the crawl cluster, sign must not be higher than the height of operating platform handrail.
Described grappling fixture top board, grappling fixture base plate and long handle urceolus web joint are equilateral triangle, and three vertical through hole that evenly have around it all are positioned at place, leg-of-mutton three angles.
The lower end diameter of described three connecting rods is thicker, and there is screw thread the upper end, for cooperating with three nuts three connecting rods is fastened on long handle urceolus web joint.
Described rod cluster grabbing tool physical dimension is: 130mm * 242mm * 5500mm, weight is 22kg.
The obtained beneficial effect of the present invention is:
(1) this rod cluster grabbing tool can be dismantled cobalt cluster and the upper head plate in the cobalt-60 source rod assembly smoothly, satisfies the production technology of cobalt-60;
(2) this rod cluster grabbing tool total length is about 5500mm, satisfies remote operated requirement under water;
Shield water layer thickness when (3) design of the sign on this rod cluster grabbing tool long handle can guarantee operation;
(4) operating handle of this rod cluster grabbing tool mode of operation of sliding in the C of guide cylinder shape groove has the advantages such as convenient, fast, safe, can prevent that the hook accident from unclamping;
(5) this rod cluster grabbing tool utilizes the refuse receiving magazine to position, and is convenient and reliable, directly do not contact cobalt-60 source rod assembly, can not damage cobalt-60 source rod when the location;
(6) before cobalt-60 source rod assembly stretches out tipping basket that rod cluster grabbing tool is in place, it can play position-limiting action when promoting cobalt-60 source rod assembly like this, makes things convenient for the operation of tipping basket.
Description of drawings
Fig. 1 is rod cluster grabbing tool structural drawing of the present invention;
Fig. 2 is the grappling fixture structural drawing of rod cluster grabbing tool of the present invention;
Fig. 3 is the grappling fixture A-A sectional view of rod cluster grabbing tool of the present invention;
Fig. 4 is the operating handle structural drawing of rod cluster grabbing tool of the present invention;
Fig. 5 is the long handle structural drawing of rod cluster grabbing tool of the present invention.
Among the figure: 1, grappling fixture; 2, operating handle; 3, long handle; 4, refuse receiving magazine; 5, cluster; 11, nut; 12, grappling fixture top board; 13, steel pipe A; 14, latch; 15, bolt; 16, locating rack; 17, pin; 18, hook; 19, grappling fixture base plate; 110, connecting rod; 111, long handle urceolus web joint; 112, steel pipe B; 21, suspension ring; 22, plug; 23, guide cylinder; 24, handle; 25, slide block; 26, latch; 31, inner core; 32, urceolus; 33, sign.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, cobalt of the present invention-60 source rod rod cluster grabbing tool comprises grappling fixture 1, operating handle 2 and long handle 3, and grappling fixture 1 is connected with long handle 3 lower ends, and operating handle 2 is connected with long handle 3 upper ends.
Such as Fig. 2, shown in Figure 3, grappling fixture 1 integral body is triangular structure, comprises three nuts 11, grappling fixture top board 12, three steel pipe A13, latch 14, bolt 15, locating rack 16, three steel pipe B112,17, three hooks 18 of three pins, grappling fixture base plate 19, three connecting rods 110 and long handle urceolus web joint 111; Wherein long handle urceolus web joint 111 is shaped as equilateral triangle, its center has circular hole, and being used for provides guiding to the inner core 31 of long handle 3, and inner core 31 passes from this circular hole, the place has three vertical through hole at leg-of-mutton three angles, is used for three connecting rods 110 are passed respectively; Grappling fixture top board 12 is shaped as equilateral triangle, and its center has circular hole, and being used for provides guiding to the inner core 31 of long handle 3, and inner core 31 passes from this circular hole, and the place has three vertical through hole at leg-of-mutton three angles, is used for three connecting rods 110 are passed respectively; Locating rack 16 circlewise, the outside of ring is equidistant six teats, along circumferentially having three horizontal through hole, other three teats have three vertical through hole on three teats wherein, and horizontal through hole and vertical through hole are equidistant staggered; Three pins 17 pass respectively three horizontal through hole, are used for fixing three hooks 18 respectively, and hook 18 can rotate take pin 17 as axle; The inboard, upper end of hook 18 is a spigot surface, and there is the boss of high approximately 1mm the inboard, lower end of hook 18, is used for catching on cluster 5; Latch 14 is the plectanes that are polished into fillet around, be connected with inner core 31 lower ends of long handle 3 by bolt 15, can be along with inner core 31 moves up and down, the lateral surface of latch 14 contacts with the spigot surface of inboard, three hook 18 upper ends, when latch 14 moves up and down along with inner core 31, slide at the spigot surface of the inboard, upper end of hook 18 in the outside of latch 14, promotion hook 18 is firmly grasped or opened; Grappling fixture base plate 19 shapes are identical with grappling fixture top board 12, but do not have center hole, only have the diameter concave station identical with cluster 5 top end diameter at downside, so that cluster 5 location; The lower end diameter of connecting rod 110 is thicker, there is screw thread the upper end, during assembling from bottom to top three connecting rods 110 pass successively respectively grappling fixture base plate 19, three steel pipe A13, locating rack 16, three steel pipe B112, grappling fixture top board 12 and long handle urceolus web joints 111, respectively three connecting rods 110 are fastened on the long handle urceolus web joint 111 with three nuts 11, assurance locating rack 16 is relative fixing with grappling fixture top board 12, grappling fixture base plate 19; Two steel pipe A13 on every connecting rod 110 and steel pipe B112 are used for controlling the distance between locating rack 16 and grappling fixture base plate 19, the grappling fixture top board 12; Latch 14 and is arranged in the space that three connecting rods 110 consist of between locating rack 16 and grappling fixture top board 12.
As shown in Figure 4, operating handle 2 comprises suspension ring 21, plug 22, guide cylinder 23, handle 24, slide block 25 and latch 26.Wherein suspension ring 21 weld with plug 22, plug 22 and the welding of guide cylinder 23 upper ends; Guide cylinder 23 be a lower end with the cylinder of C shape groove, C shape channel opening is downward, and the right side minimum point is higher than the left side minimum point, weld the upper end of the urceolus 32 of the lower end of guide cylinder 23 and long handle 3; Slide block 25 is positioned at guide cylinder 23, is used for connecting inner core 31 and the handle 24 of long handle 3, slides up and down and left-right rotation in guide cylinder 23; Handle 24 is installed on the slide block 25, and pass C shape groove on the guide cylinder 23, can slide and rest on left side or the right side minimum point of C shape groove along C shape groove, two stations of these 2 respective operations handles 2, when operating handle 2 is positioned at the left side minimum point, the hook 18 of grappling fixture 1 opens, and when operating handle 2 during in the right side minimum point, the hook 18 of grappling fixture 1 promptly; Latch 26 is installed in the C shape groove top of guide cylinder 23, is used for preventing the maloperation of handle 24.
As shown in Figure 5, long handle 3 comprises inner core 31, urceolus 32 and identifies 33; Inner core 31 upper ends and slide block 25 welding, the lower end is connected by bolt 15 with latch 14; Urceolus 32 upper ends and guide cylinder 23 welding, lower end and 111 welding of long handle urceolus web joint are welded with a sign 33 on the urceolus 32, and when crawl cluster 5, sign 33 must not be higher than the height of operating platform handrail, to guarantee the thickness of cluster 5 tops shielding water layer.
This rod cluster grabbing tool physical dimension is about: 130mm * 242mm * 5500mm, weight is about 22kg.
During use, operating personnel slide in the C of guide cylinder 23 shape groove with movable slider 25 by handle 24, thereby drive the sliding up and down of inner core 31 of long handle 3, and then drive latch 14 and move up and down, and latch 14 promotes hooks 18 promptly or opens; When handle 24 was arranged in the C shape groove higher position of guide cylinder 23, latch 14 withstood on the first half of the spigot surface of inboard, hook 18 upper end, made hook 18 be in promptly state; When handle 24 was arranged in the C shape groove lower position of guide cylinder 23, latch 14 withstood on the latter half of the spigot surface of inboard, hook 18 upper end, makes hook 18 be in open configuration.
This instrument is suspended on the operation tool storage rack by suspension ring 21 at ordinary times; Before using this instrument crawl cluster 5, handle 24 is placed the C shape groove left side minimum point of guide cylinder 23, hook 18 is opened; Then be located the center of refuse receiving magazine 4 by the suspension hook that is suspended on the factory building crane, utilize the lift mechanism lifts cluster 5 on the tipple, cluster 5 tops are entered in the concave station of grappling fixture base plate 19 downsides; Then lifting handle 24, and the C shape groove right side that its rotation is placed guide cylinder 23 is to minimum point, this moment grappling fixture 1 hook 18 just with cluster 5 promptly; Then plug latch 26, handle 24 just can't slide into from the C shape groove right side of guide cylinder 23 left side, has guaranteed can not cause hook 18 to unclamp owing to the maloperation of handle 24; Then utilize crane that rod cluster grabbing tool is proposed, be put into the hanging basket top on the underwater platform behind translation one segment distance, unclamp latch 26, handle 24 is slided into the left side minimum point of the C shape groove of guide cylinder 23, cluster 5 just falls into hanging basket; At last rod cluster grabbing tool is repositioned onto on the refuse receiving magazine 4, prepares next operation.
Claims (10)
1. rod cluster grabbing tool, it is characterized in that: this instrument comprises grappling fixture (1), operating handle (2) and long handle (3); Grappling fixture (1) comprises grappling fixture top board (12), three steel pipe A (13), latch (14), locating rack (16), three steel pipe B (112), three hooks (18), grappling fixture base plate (19), three connecting rods (110) and long handle urceolus web joint (111); Operating handle (2) comprises guide cylinder (23), handle (24), slide block (25); Long handle (3) comprises inner core (31), urceolus (32); Described long handle urceolus web joint (111) center has circular hole, evenly has three vertical through hole on every side; Grappling fixture top board (12) center has circular hole, evenly has three vertical through hole on every side; Grappling fixture base plate (19) evenly has three vertical through hole on every side; Locating rack (16) circlewise, the outside of ring is equidistant six teats, along circumferentially having three horizontal through hole, other three teats have three vertical through hole on three teats wherein, and horizontal through hole and vertical through hole are equidistant staggered; Three pins (17) pass respectively three horizontal through hole of locating rack (16), fix respectively three hooks (18), and hook (18) can rotate take pin (17) as axle; Latch (14) is the plectane that is polished into fillet around, and its lateral surface contacts with the spigot surface of inboard, three hooks (18) upper end; Three connecting rods (110) pass respectively grappling fixture base plate (19), three steel pipe A (13), locating rack (16), three steel pipe B (112), grappling fixture top board (12) and long handle urceolus web joint (111) from bottom to top successively, are fixed in respectively on the long handle urceolus web joint (111) with three nuts (11); Guide cylinder (23) lower end has the C shape groove that Open Side Down, the upper end welding of its lower end and urceolus (32), the lower end of urceolus (32) and long handle urceolus web joint (111) welding; Slide block (25) is positioned at guide cylinder (23), can in guide cylinder (23), slide up and down and left-right rotation, handle (24) is installed on the slide block (25), and pass C shape groove on the guide cylinder (23), can slide and rest on left side or the right side minimum point of C shape groove along C shape groove; Inner core (31) upper end and slide block (25) welding, the lower end is passed the circular hole at long handle urceolus web joint (111) and grappling fixture top board (12) center successively, be connected by bolt (15) with latch (14), latch (14) is positioned between locating rack (16) and the grappling fixture top board (12).
2. rod cluster grabbing tool according to claim 1, it is characterized in that: there is the boss of high 1mm the inboard, lower end of described hook (18).
3. rod cluster grabbing tool according to claim 1, it is characterized in that: described grappling fixture base plate (19) downside has the diameter concave station identical with cluster (5) top end diameter.
4. rod cluster grabbing tool according to claim 1, it is characterized in that: described operating handle (2) also comprises suspension ring (21) and plug (22), suspension ring (21) and plug (22) welding, plug (22) and the welding of guide cylinder (23) upper end.
5. rod cluster grabbing tool according to claim 1 is characterized in that: latch (26) is installed above the C shape groove of described guide cylinder (23), is used for preventing the maloperation of handle (24).
6. rod cluster grabbing tool according to claim 1 is characterized in that: minimum point on the left of described C shape groove right side minimum point is higher than.
7. rod cluster grabbing tool according to claim 1 is characterized in that: be welded with sign (33) on the described urceolus (32), when crawl cluster (5), identify the height that (33) must not be higher than the operating platform handrail.
8. rod cluster grabbing tool according to claim 1, it is characterized in that: described grappling fixture top board (12), grappling fixture base plate (19) and long handle urceolus web joint (111) are equilateral triangle, and three vertical through hole that evenly have around it all are positioned at place, leg-of-mutton three angles.
9. rod cluster grabbing tool according to claim 1, it is characterized in that: the lower end diameter of described three connecting rods (110) is thicker, there is screw thread the upper end, for cooperating with three nuts (11) three connecting rods (110) is fastened on long handle urceolus web joint (111).
10. rod cluster grabbing tool according to claim 1, it is characterized in that: described rod cluster grabbing tool physical dimension is: 130mm * 242mm * 5500mm, weight is 22kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110330325.2A CN103077755B (en) | 2011-10-26 | 2011-10-26 | Rod cluster grabbing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110330325.2A CN103077755B (en) | 2011-10-26 | 2011-10-26 | Rod cluster grabbing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103077755A true CN103077755A (en) | 2013-05-01 |
| CN103077755B CN103077755B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110330325.2A Active CN103077755B (en) | 2011-10-26 | 2011-10-26 | Rod cluster grabbing tool |
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| Country | Link |
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| CN (1) | CN103077755B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504805A (en) * | 2016-12-30 | 2017-03-15 | 清华大学天津高端装备研究院 | A kind of reactor graphite brick grasping mechanism |
| CN109509566A (en) * | 2018-11-29 | 2019-03-22 | 上海核工程研究设计院有限公司 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
| CN110788799A (en) * | 2019-11-19 | 2020-02-14 | 中核核电运行管理有限公司 | Underwater cobalt rod bundle pressing plate taking-out tool |
| CN113118669A (en) * | 2019-12-30 | 2021-07-16 | 中核北方核燃料元件有限公司 | Rod bundle carrying clamp picked up by integrated end plate |
Citations (5)
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| US4886635A (en) * | 1987-07-09 | 1989-12-12 | Siemens Aktiengesellschaft | Gripping tool for a device for the remote-controlled removal of samples from a container, in particular from a pressure vessel of a reactor |
| CN101252025A (en) * | 2008-03-13 | 2008-08-27 | 上海核工程研究设计院 | Heavy water stack cobalt regulating rod component |
| WO2010026241A1 (en) * | 2008-09-08 | 2010-03-11 | Areva Nc | Device for gripping fuel elements, and related claw and handling system |
| EP1895547B1 (en) * | 2006-08-31 | 2010-06-16 | AREVA NP GmbH | Fuel assembly for a light water reactor and method of repairing such a fuel assembly |
| CN202307176U (en) * | 2011-10-26 | 2012-07-04 | 上海核工程研究设计院 | Rod cluster grabbing tool |
-
2011
- 2011-10-26 CN CN201110330325.2A patent/CN103077755B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4886635A (en) * | 1987-07-09 | 1989-12-12 | Siemens Aktiengesellschaft | Gripping tool for a device for the remote-controlled removal of samples from a container, in particular from a pressure vessel of a reactor |
| EP1895547B1 (en) * | 2006-08-31 | 2010-06-16 | AREVA NP GmbH | Fuel assembly for a light water reactor and method of repairing such a fuel assembly |
| CN101252025A (en) * | 2008-03-13 | 2008-08-27 | 上海核工程研究设计院 | Heavy water stack cobalt regulating rod component |
| WO2010026241A1 (en) * | 2008-09-08 | 2010-03-11 | Areva Nc | Device for gripping fuel elements, and related claw and handling system |
| CN202307176U (en) * | 2011-10-26 | 2012-07-04 | 上海核工程研究设计院 | Rod cluster grabbing tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504805A (en) * | 2016-12-30 | 2017-03-15 | 清华大学天津高端装备研究院 | A kind of reactor graphite brick grasping mechanism |
| CN109509566A (en) * | 2018-11-29 | 2019-03-22 | 上海核工程研究设计院有限公司 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
| CN110788799A (en) * | 2019-11-19 | 2020-02-14 | 中核核电运行管理有限公司 | Underwater cobalt rod bundle pressing plate taking-out tool |
| CN113118669A (en) * | 2019-12-30 | 2021-07-16 | 中核北方核燃料元件有限公司 | Rod bundle carrying clamp picked up by integrated end plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103077755B (en) | 2016-07-06 |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: Shanghai Nuclear Engineering Research & Design Institute |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |