CN101853709B - Electromechanical integrated device for sodium-cooled fast reactor irradiation device operation - Google Patents
Electromechanical integrated device for sodium-cooled fast reactor irradiation device operation Download PDFInfo
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- CN101853709B CN101853709B CN2010101238288A CN201010123828A CN101853709B CN 101853709 B CN101853709 B CN 101853709B CN 2010101238288 A CN2010101238288 A CN 2010101238288A CN 201010123828 A CN201010123828 A CN 201010123828A CN 101853709 B CN101853709 B CN 101853709B
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- gripping apparatus
- silo
- adapter sleeve
- integrated device
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- 238000007789 sealing Methods 0.000 claims abstract description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 230000010354 integration Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 230000003578 releasing effect Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
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- Monitoring And Testing Of Nuclear Reactors (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to the technical field of reactors, and particularly relates to an electromechanical integrated device for operating a sodium-cooled fast reactor irradiation device. The electromechanical integrated device provided by the invention has the advantages of convenience, safety, good sealing property and the like.
Description
Technical field
The invention belongs to the nuclear reactor art field, be specifically related to a kind of electromechanical integrated device that is used for operating sodium-cooled fast reactor irradiation device.
Background technology
Fast breeder is called for short fast reactor; It is a kind of heap type that causes chain reaction of nuclear fission by fast neutron; Its advantage be can be difficult to utilize in the thermal reactor and abundance be that U-238 more than 99.2% is converted into the nuclear fuel Pu-239 that can utilize, can greatly improve the utilization factor of nuclear fuel.Irradiation devices are a kind of devices that place interior being used to of reactor to measure and test, and irradiation devices have radioactivity through behind the irradiation, speckle with a certain amount of sodium, and its action need is carried out under the ar gas environment of sealing.
Summary of the invention
(1) goal of the invention
The object of the invention is to realize safe, the operation accurately, easily to sodium-cooled fast reactor irradiation device.
(2) technical scheme
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of electromechanical integration automatic grasper comprises core, middle casing, shell body, and its key is: said core is made up of pawl, gripping apparatus bar and bearing, and pawl is connected through hinge with bearing, and bearing is connected with the gripping apparatus bar through pin.Said middle casing is made up of bolt, spring washer, bearing cap, plummet, slide block, back-up ring and locating sleeve.The gripping apparatus bar is connected with slide block through straight pin, on the gripping apparatus bar, has long slot bore, and straight pin can move up and down in long slot bore.Slide block integral body is column type, on the outside surface of cylinder with respect to the groove of axle center symmetric arrangement winding shape.Said groove length vertically is bigger.
Said shell body is made up of bearing seat, spring washer, adapter sleeve and sliding pin adapter sleeve etc.; Bearing seat fuses through socket head cap screw and spring washer and adapter sleeve; Adapter sleeve is connected with the mode that is threaded with the sliding pin adapter sleeve, and sliding pin is fixed on the sliding pin adapter sleeve with the mode of interference fit.
Axle, dust cap, thrust ball bearing, needle bearing, back-up ring and pin and bearing seat link together, and axle can rotate in bearing seat.
A kind of electromechanical integrated device that is used for operating sodium-cooled fast reactor irradiation device; Comprise the described electromechanical integration automatic grasper of claim, top component, silo parts, driver part, gate valve and support component; Wherein: top component is made up of upper shell, LOAD CELLS, limit switch, fixed pulley mechanism and support; LOAD CELLS and fixed pulley mechanism are positioned at upper shell, and fixed pulley mechanism is positioned on the LOAD CELLS, and limit switch is contained in upper shell bottom, automatic grasper top.The silo parts are connected to form by the stop valve and the pipe of silo, band ozzle, and on the fixing casing thereunder of silo, automatic grasper is suspended in the silo.Driver part is made up of reel, reductor, rotary encoder etc., and volume has wire rope on the reel, and rotary encoder is connected on the reel through shaft coupling.Gate valve and support component are made up of gate valve, bearing, sealing gasket, and wherein gate valve and bearing fuse, and sealing gasket is bonded on the lower surface of bearing.
Said reductor is the twin-stage turbine and worm reductor of self-locking.
Said pipe is fixed on the silo through pipe clamp.
Said automatic grasper is suspended in the silo through wire rope, and its upper end hangs with guide pipe.
Have view window on the sidewall of said casing.
Baffle plate, irradiation devices and housing seal are filled highly purified argon gas in the said room B in room B.
(3) beneficial effect
Device provided by the invention has following advantage:
1. convenient: as can to realize the folding of gripping apparatus automatically, and can directly judge whether to catch target through gravity sensor;
2. safety: driving the reductor that gripping apparatus moves up and down is self-locking, and motor outage back gripping apparatus can not skid;
3. good airproof performance: gate valve and fetching tool parts are independently, do not influence the sealing of gate valve to room B after the fetching tool parts are taken away.
Description of drawings
Fig. 1 is whole sectional view; Fig. 2 is whole front elevation; Fig. 3 is the E-E view of Fig. 1; Fig. 4 is the vertical view of Fig. 1; Fig. 5 is the gripping apparatus elevation cross-sectional view; Fig. 6 is the side view of gripping apparatus; Fig. 7 is the B-B view of Fig. 5; Fig. 8 is the F-F view of Fig. 5; Fig. 9 is the G-G view of Fig. 8; Figure 10 is the groove structure figure of slide block 46; Figure 11 is gripping apparatus 8 states one figure; Figure 12 is gripping apparatus 8 states two figure; Figure 13 is gripping apparatus 8 states three figure; Figure 14 is gripping apparatus 8 states four figure; Figure 15 is gripping apparatus 8 states a period of time, and sliding pin 48 is with respect to the location drawing of slide block 46; When Figure 16 was gripping apparatus 8 states two, sliding pin 48 was with respect to the location drawing of slide block 46; When Figure 17 was gripping apparatus 8 states three, sliding pin 48 was with respect to the location drawing of slide block 46; When Figure 18 was gripping apparatus 8 states four, sliding pin 48 was with respect to the location drawing of slide block 46, and Figure 19 is the enlarged drawing of Fig. 5 upper end, and Figure 20 is the enlarged drawing of gripping apparatus bar top end among Fig. 5, and Figure 21 is a middle casing top enlarged drawing among Fig. 5.
Wherein, 1 is upper shell, and 2 is LOAD CELLS, and 3 is wire rope, and 4 is limit switch, and 5 is fixed pulley mechanism, and 6 is support, and 7 is guide pipe; 8 is gripping apparatus, and 9 is silo, and 10 is casing, and 11 is view window, and 12 is reel, and 13 is gate valve, and 14 is bearing; 15 is sealing gasket, and 16 is baffle plate, and 17 is irradiation devices, and 18 is housing, and 19 are pipe, and 20 is pipe clamp, 21 stop valves for the band ozzle; 22 are the twin-stage turbine and worm reductor of self-locking, 23 stop valves for the band ozzle, and 24 is screw, and 25 is shaft coupling, and 26 is rotary encoder, and 27 is axle, 28 is dust cap; 29 is thrust bearing, and 30 is bearing seat, and 31 is spring washer, and 32 is socket head cap screw, and 33 is needle bearing, and 34 is back-up ring, and 35 is pin; 36 is adapter sleeve, and 37 is the gripping apparatus bar, and 38 is linear bearing, and 39 is the sliding pin adapter sleeve, and 40 is screw, and 41 is bearing cap, and 42 is bolt; 43 is spring washer, and 44 is bearing cap, and 45 is plummet, and 46 is slide block, and 47 is back-up ring, and 48 is sliding pin, and 49 is locating sleeve; 50 is bearing, and 51 is pawl, and 52 is pin, and 53 is hinge, and 54 is needle bearing, and 55 is straight pin, and 56 is stopper; A is the duct, and B is the room, and C is a cavity, and D is a groove, and E is a long slot bore, and F is the inclined-plane.
Embodiment
Embodiment below in conjunction with concrete further specifies the present invention.
One, structrual description
1. one-piece construction
Present embodiment provides a kind of electromechanical integration automatic grasper that is used for operating sodium-cooled fast reactor irradiation device, comprises top component, silo parts, driver part, gate valve and support component, its general structure such as Fig. 1～shown in Figure 4.
Upper shell 1, LOAD CELLS 2, limit switch 4, fixed pulley mechanism 5 and support 6 are formed top component, and be as shown in figures 1 and 3.LOAD CELLS 2 is positioned at upper shell 1 with fixed pulley mechanism 5, and fixed pulley mechanism 5 is positioned on the LOAD CELLS 2, and LOAD CELLS 2 detects the weight change of gripping apparatus 8, whether catches irradiation devices 17 to judge gripping apparatus 8.Limit switch 4 is contained in upper shell 1 bottom, automatic grasper 8 tops, is used to limit the upper position of gripping apparatus in silo 9, prevents collision.
Silo 9 is positioned at the upper shell below.Pipe 19 is fixed on the silo 9 through pipe clamp 20, and the stop valve 21 of band ozzle links into an integrated entity with pipe 19 and forms the silo parts, and is as shown in Figure 2.Automatic grasper 8 in the silo 9 is suspended on the wire rope 3, and guide pipe 7 hangs over the upper end of automatic grasper 8.
The twin-stage turbine and worm reductor 22 of reel 12, self-locking is installed on the casing 10; View window 11 is on the sidewall of casing 10; Be used to observe casing 10 inner cases; The stop valve 23 of band ozzle is fixed on the casing 10, and rotary encoder 26 is connected on the reel 12 through shaft coupling 25 forms driver part, as shown in Figure 1.The reductor 22 that driving gripping apparatus 8 moves up and down is self-lockings, and motor outage back gripping apparatus 8 can not skid.
Above-mentioned parts is combined and is formed the fetching tool parts.
Gate valve 13 fuses with bearing 14, and sealing gasket 15 is bonded on the lower surface of bearing 14, forms gate valve and support component.Gate valve 13 is separately independently with the fetching tool parts, does not influence the sealing of 13 couples of room B of gate valve after the fetching tool parts are taken away.
Baffle plate 16, irradiation devices 17 and housing 18 are filled highly purified argon gas in the room B in the room B of sealing.When not picking and placeing irradiation devices 17, A place in duct clogs with stopper 56, guarantees that inner argon gas is not leaked to the outside.
2. gripping apparatus structure
The structure of gripping apparatus such as Fig. 5～shown in Figure 10.Gripping apparatus comprises core, middle casing, shell body, mainly is made up of axle 27, bearing seat 30, adapter sleeve 36, sliding pin adapter sleeve 39, plummet 45, slide block 46, bearing 50 and pawl 51 etc.Gripping apparatus leans on the gravity of self to realize the opening and closing of pawl.
Pawl 51 is connected through hinge 53 with bearing 50, and bearing 50 is connected with gripping apparatus bar 37 through pin 52, has so just constituted the core of gripping apparatus.Hole in the middle of the bearing 50 of gripping apparatus 8 has guiding and supports the effect of gripping apparatus 8, guarantees that gripping apparatus 8 keeps vertical state when grasping irradiation devices 17.The pawl 51 of gripping apparatus 8 is three pawls that are uniformly distributed with, and the inclined-plane F of guiding is arranged in the bottom of pawl 51, and is as shown in Figure 5.
The similar of slide block 46 is in a cam; Shown in figure 10; Integral body is column type, and with respect to axle center symmetric arrangement groove D, groove is the winding shape on the outside surface of cylinder; Groove length vertically is bigger, and this length is can misoperation not cause irradiation devices 17 to drop down because of jolting in order to guarantee after gripping apparatus is caught irradiation devices 17.
Bearing seat 30 upper design are tapered, to eliminate the jammed possibility of gripping apparatus.Bearing seat 30 fuses with adapter sleeve 36 through socket head cap screw 32 and spring washer 31; Adapter sleeve 36 is connected with the mode that is threaded with sliding pin adapter sleeve 39; Sliding pin 48 fixedly on the sliding pin adapter sleeve 39, has so just formed the shell body of gripping apparatus with the mode of interference fit.Gripping apparatus when accomplishing its extracting or releasing action, the core of gripping apparatus and middle casing relatively and shell body move.
Two, operating principle
1. gripping apparatus operating principle
Like Figure 11～shown in Figure 180, original state is that gripping apparatus 8 is caught irradiation devices 17, and the process that gripping apparatus 8 discharges gripping apparatus 8 state variation in the process of irradiation devices 17 in the housing 18 is following:
State one: shown in figure 11, to held, irradiation devices 17 just are placed into the state on the housing 18 to this STA representation gripping apparatus 8 with irradiation devices 17 passing hole channel A, and simultaneously this state has represented that also gripping apparatus 8 catches the state of irradiation devices.Carve bearing 50 at this moment and withstand on the housing 18, because the core and the bearing 50 of gripping apparatus fuse through pin 52, so the core of gripping apparatus remains static with respect to irradiation devices 17.
Under this state, sliding pin adapter sleeve 39 occupies tip position, and sliding pin 48 is at the upper position of slide block 46 groove D, and is shown in figure 15, and straight pin 55 is at the long slot bore E of slide block 46 lower position, and slide block 46 withstands pawl 51 and makes it be in closing state.
State two: shown in figure 12, the sliding pin 48 of this STA representation gripping apparatus 8 is at the state of the lower position of slide block 46 groove D.Motionless by " state one " core of gripping apparatus in the change procedure of " state two "; Middle casing is hanging on the gripping apparatus bar 37 of core through straight pin 55 under the effect of gravity; Promptly hang on the core, core does not move with respect to irradiation devices 17, so middle casing is also motionless.Because the effect shell body of gravity moves downward till the undercut place that sliding pin 48 withstands the groove D on the slide block 46 with respect to middle casing, this moment, the position of sliding pin 48 was shown in figure 16.The pawl 51 of this moment gripping apparatus is because the effect of slide block 46 still is in closed state.
State three: shown in figure 13, when this STA representation was mentioned gripping apparatus 8, sliding pin 48 pushed up the state at the upper recess place of the groove D that occupy the bottom on the slide block 46, and this moment, the position of sliding pin 48 was shown in figure 17.A bit of distance that position when carving shell body with respect to " state two " has at this moment made progress translation, the pawl 51 of gripping apparatus 8 is because the effect of slide block 46 still is in closed state.
If continue upwards to grasp tool 8, middle casing will and move upward by 48 drives of the sliding pin on the shell body.
State four: the pawl 51 of this STA representation gripping apparatus 8 is in the situation of releasing orientation.
The process from " state three " to " state four "; Middle casing just is thus lifted to the upper position that straight pin 55 arrives the long slot bore E on the gripping apparatus bar 37; Slide block 46 is with respect to gripping apparatus bar 37 segment distance that moved upward, and the position of sliding pin 48 is shown in figure 18.The upper end that this moment, pawl 51 was no longer withstood in gripping apparatus bar 37 bottom, pawl 51 is in relaxed state.
If continue upwards to grasp tool 8, the core of gripping apparatus 8 will be driven by middle casing and move upward, and pawl 51 will be thrown off from irradiation devices, and empty gripping apparatus 8 is upwards mentioned.
The state change process that gripping apparatus 8 grasps irradiation devices 17 is the inverse process of above-mentioned release irradiation devices 17.
2. molar behavior principle
The operating principle of equipment extracting irradiation devices 17 is following:
1) gripping apparatus 8 is in " state four " affiliated state.
The stopper 56 that 2) will clog duct A is taken away, with gate valve and support component be installed to duct A directly over, closing gate valve 13.
3) the fetching tool parts are fixed on gate valve and the support component through screw 24.
4) room B is carried out argon replaces with special argon system, so that argon gas reaches the purity and the pressure of regulation.
5) through the stop valve 21,23 of band ozzle, the air displacement in the cavity C is become argon gas, and reach the purity and the pressure of regulation.
6) open gate valve 13.
7) driving gripping apparatus 8 moves downward and grasps irradiation devices 17.Gripping apparatus 8 drives guide pipe 7 and moves downward in the process that moves downward, and is blocked by baffle plate 16 until guide pipe 7, and guide pipe 7 no longer moves downward, and gripping apparatus 8 continues to move downward, and moves to the top of housing 18 up to gripping apparatus.Promote gripping apparatus 8 this moment, and irradiation devices 17 are just picked up, and gripping apparatus 8 rises to top, and irradiation devices 8 arrive in the fetching tool parts with regard to crawled.
8) closing gate valve.With the argon replaces in the fetching tool parts is clean air, and the screw 24 that gets loose just can be taken fetching tool away together with irradiation devices 17, and behind the position of regulation, the position of regulation transferred to irradiation devices 17 by gripping apparatus 8.
Equally, equipment also can be placed on the housing 18 putting irradiation devices.
Above content is to combine preferred embodiment to specify what the present invention did, can not assert that embodiment of the present invention only limits to these explanations.Under the present invention, the those of ordinary skill of technical field, under the prerequisite that does not break away from the present invention's design, can also make some simple deductions and conversion, all should be regarded as belonging to protection scope of the present invention.
Claims (8)
1. an electromechanical integration automatic grasper comprises core, middle casing, shell body, it is characterized in that:
Said core is made up of pawl (51), gripping apparatus bar (37) and bearing (50), and pawl (51) is connected through hinge (53) with bearing (50), and bearing (50) is connected with gripping apparatus bar (37) through pin (52);
Said middle casing is made up of bolt (42), spring washer (43), bearing cap (44), plummet (45), slide block (46), back-up ring (47) and locating sleeve (49);
Gripping apparatus bar (37) is connected with slide block (46) through straight pin (55), on gripping apparatus bar (37), has long slot bore, and straight pin (55) can move up and down in long slot bore;
Slide block (46) integral body is column type, on the outside surface of cylinder with respect to the groove (D) of axle center symmetric arrangement winding shape;
Said shell body is made up of bearing seat (30), spring washer (31), adapter sleeve (36) and sliding pin adapter sleeve; Bearing seat (30) fuses through socket head cap screw (32) and spring washer (31) and adapter sleeve (36); Adapter sleeve (36) is connected with the mode that is threaded with sliding pin adapter sleeve (39), and sliding pin (48) is fixed on the sliding pin adapter sleeve (39) with the mode of interference fit.
2. automatic grasper according to claim 1; It is characterized in that: axle (27), dust cap (28), thrust ball bearing (29), needle bearing (33), back-up ring (34) pin (35) and bearing seat (30) link together, and axle (27) can rotate in bearing seat (30).
3. automatic grasper according to claim 1 is characterized in that: said groove (D) length vertically is bigger.
4. an electromechanical integrated device that is used for operating sodium-cooled fast reactor irradiation device comprises the described electromechanical integration automatic grasper of claim 1, top component, silo parts, driver part, gate valve and support component, wherein:
Top component is made up of upper shell (1), LOAD CELLS (2), limit switch (4), fixed pulley mechanism (5) and support (6); LOAD CELLS (2) and fixed pulley mechanism (5) are positioned at upper shell (1); Fixed pulley mechanism (5) is positioned on the LOAD CELLS (2), and limit switch (4) is contained in upper shell (1) bottom, automatic grasper (8) top;
The silo parts are connected to form by the stop valve (21) and the pipe (19) of silo, band ozzle, and on the fixing casing (10) thereunder of silo (9), automatic grasper (8) is suspended in the silo;
Driver part is made up of reel (12), reductor (22), rotary encoder (26); Reel (12) is gone up volume has wire rope (3); Rotary encoder (26) is connected on the reel (12) through shaft coupling (25), and said reductor (22) is the twin-stage turbine and worm reductor of self-locking;
Gate valve and support component are made up of gate valve (13), bearing (14), sealing gasket (15), and wherein gate valve (13) and bearing (14) fuse, and sealing gasket (15) is bonded on the lower surface of bearing (14).
5. electromechanical integrated device according to claim 4: said pipe (19) is fixed on the silo (9) through pipe clamp (20).
6. electromechanical integrated device according to claim 4: said automatic grasper (8) is suspended in the silo through wire rope (3), and its upper end hangs with guide pipe (7).
7. electromechanical integrated device according to claim 4: have view window (11) on the sidewall of said casing (10).
8. electromechanical integrated device according to claim 4: baffle plate (16), irradiation devices (17) and housing (18) are sealed in the room (B), fill highly purified argon gas in said room (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101238288A CN101853709B (en) | 2010-03-15 | 2010-03-15 | Electromechanical integrated device for sodium-cooled fast reactor irradiation device operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101238288A CN101853709B (en) | 2010-03-15 | 2010-03-15 | Electromechanical integrated device for sodium-cooled fast reactor irradiation device operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101853709A CN101853709A (en) | 2010-10-06 |
| CN101853709B true CN101853709B (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101238288A Active CN101853709B (en) | 2010-03-15 | 2010-03-15 | Electromechanical integrated device for sodium-cooled fast reactor irradiation device operation |
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| CN (1) | CN101853709B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842348B (en) * | 2012-09-14 | 2015-04-29 | 中国原子能科学研究院 | System and method for performing activation method radiation experiments in sodium-cooled fast reactor |
| CN109949954B (en) * | 2019-04-12 | 2022-03-25 | 中国核动力研究设计院 | Irradiation supervisory tube remote gripping apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204910A (en) * | 1977-08-25 | 1980-05-27 | Batjukov Vladimir I | Gripping means for refuelling a nuclear reactor |
| 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 |
| CN1421376A (en) * | 2003-01-10 | 2003-06-04 | 清华大学 | Automatic distant gravitational escapement |
| CN1958246A (en) * | 2006-11-29 | 2007-05-09 | 中国原子能科学研究院 | Gravity type automatic gripping apparatus |
| CN201331933Y (en) * | 2008-11-20 | 2009-10-21 | 中国核电工程有限公司 | Gripping tool for spent fuel assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10260283A (en) * | 1997-03-21 | 1998-09-29 | Toshiba Corp | Control rod drive mechanism for fast breeder reactor |
-
2010
- 2010-03-15 CN CN2010101238288A patent/CN101853709B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204910A (en) * | 1977-08-25 | 1980-05-27 | Batjukov Vladimir I | Gripping means for refuelling a nuclear reactor |
| 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 |
| CN1421376A (en) * | 2003-01-10 | 2003-06-04 | 清华大学 | Automatic distant gravitational escapement |
| CN1958246A (en) * | 2006-11-29 | 2007-05-09 | 中国原子能科学研究院 | Gravity type automatic gripping apparatus |
| CN201331933Y (en) * | 2008-11-20 | 2009-10-21 | 中国核电工程有限公司 | Gripping tool for spent fuel assembly |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平10-260283A 1998.09.29 |
| 在反应堆辐照生产中使用的抓取器;孙德仁;《原子能科学技术》;19911130;第25卷(第6期);第77-79页 * |
| 孙德仁.在反应堆辐照生产中使用的抓取器.《原子能科学技术》.1991,第25卷(第6期),第77-79页. |
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| CN101853709A (en) | 2010-10-06 |
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