CN101740148B - Gripper for irradiation sample of nuclear power plant - Google Patents
Gripper for irradiation sample of nuclear power plant Download PDFInfo
- Publication number
- CN101740148B CN101740148B CN2008101809963A CN200810180996A CN101740148B CN 101740148 B CN101740148 B CN 101740148B CN 2008101809963 A CN2008101809963 A CN 2008101809963A CN 200810180996 A CN200810180996 A CN 200810180996A CN 101740148 B CN101740148 B CN 101740148B
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- China
- Prior art keywords
- operation bar
- intermediary operation
- fixedly connected
- gripper
- coupling sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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Abstract
The invention relates to a gripper, and in particular discloses a gripper for an irradiation sample of a nuclear power plant, which comprises an upper section and a lower section, wherein the upper section comprises an upper shell, a lower shell, a middle operating rod, a middle operating rod, a middle operating rod and a middle operating rod; and the lower section comprises an upper shell, a lower shell, a middle operating rod, a middle operating rod and a locking rod. The gripper has the advantages of simple structure, light weight, and safety and reliability, and can complete operations on irradiation sample tubes and plugs through manual operation. An outer shell of the gripper protects the middle operating rods.
Description
Technical field
The present invention relates to a kind of gripping apparatus, be specifically related to a kind of gripper for irradiation sample of nuclear power plant.
Background technology
During reactor inservice inspection or when needing; The irradiation sample plug needs gripping apparatus through special use, and the in-pile component flange disassembles and it is deposited in irradiation sample plug and control rod driving stem storage rack from the bottom, and the irradiation sample pipe need in-pile component disassembles and it is transported to special-purpose container deposits from the reactor bottom with it with same instrument.Because the singularity of operating environment, for guaranteeing operating personnel's safety, its operation should be gone up fuel manipulator crane (or ring hangs) and accomplished, and therefore needs to adopt the special-purpose gripping apparatus of a kind of stock, single extracting to operate.But present existing gripping apparatus complex structure, quality weigh, and irradiation sample comes off easily, performance is unreliable, and security performance is low.
Summary of the invention
The object of the present invention is to provide gripper for irradiation sample of nuclear power plant a kind of simple in structure, in light weight, safe and reliable, that the employing manual operation can be accomplished irradiation sample pipe, plug operation.
Realize the technical scheme of the object of the invention: a kind of gripper for irradiation sample of nuclear power plant; The gripper that it comprises housing, is positioned at the control lever of housing, contacts with control lever; Wherein, It comprises gripping apparatus epimere and gripping apparatus hypomere, and the gripping apparatus epimere comprises epimere upper shell, epimere lower house, the first intermediary operation bar, the second intermediary operation bar, the 3rd intermediary operation bar and the 4th intermediary operation bar, is fixedly connected through coupling sleeve between epimere upper shell and the epimere lower house; Operating grip is fixedly connected with the first intermediary operation masthead portion through the web member bottom; First intermediary operation bar bottom with between the second intermediary operation masthead portion of its underpart, be fixedly connected through first coupling sleeve; Second intermediary operation bar bottom with between the 3rd intermediary operation masthead portion of its underpart, be fixedly connected through the 4th coupling sleeve, bottom the 3rd intermediary operation bar with between the 4th intermediary operation bar of its underpart, be fixedly connected through second coupling sleeve; The gripping apparatus hypomere comprises hypomere upper shell, hypomere lower house, the 5th intermediary operation bar, the 6th intermediary operation bar and check lock lever; Be fixedly connected through the 5th coupling sleeve between hypomere upper shell and the hypomere lower house; The 5th intermediary operation bar bottom with between the 6th intermediary operation bar of its underpart, be fixedly connected through the 3rd coupling sleeve, bottom the 6th intermediary operation bar with between the swivel nut of its underpart, be fixedly connected through the 6th coupling sleeve; The check lock lever top is fixed in the swivel nut, and the check lock lever bottom is provided with projection, is provided with the gripper carriage between hypomere lower house and the 6th coupling sleeve; Gripper carriage bottom is provided with several grippers, check lock lever between gripper, the projection of check lock lever bottom contacts with the gripper inwall; The 4th intermediary operation bar bottom is fixedly connected with the 5th intermediary operation bar, and the epimere lower house is fixedly connected with the hypomere upper shell.
Described the 4th intermediary operation bar bottom is provided with first boss, and first boss is stuck in the active joint, and the outer middle part of active joint is provided with second boss, and epimere lower house bottom is provided with first flange; Hypomere upper shell top is provided with second flange; Can in the hypomere upper shell, be fixed in the active joint at the fixture splice top along its axial linear reciprocating motion; The fixture splice middle part is provided with the 3rd boss; The fixture splice bottom is a hollow cylinder; The hollow cylinder top radially is provided with the pin-and-hole that can insert latch along it, and latch is fixedly connected with the hypomere upper shell through chain; Intermediary operation masthead portion is positioned at hollow cylinder; Be fixedly connected between first flange and first flange.
Technique effect of the present invention: this gripping apparatus is simple in structure, and is in light weight, and safe and reliable, employing manual operation can be accomplished the gripper for irradiation sample of irradiation sample pipe, plug operation.The external shell of gripping apparatus provides protective effect for the intermediary operation bar.
Description of drawings
Fig. 1 is a gripper for irradiation sample of nuclear power plant epimere structural drawing;
Fig. 2 is a gripper for irradiation sample of nuclear power plant hypomere structural drawing;
Structural drawing when Fig. 2 connects together for hypomere on the gripping apparatus;
Constitutional diagram when Fig. 3 closes up for gripper for irradiation sample of nuclear power plant is operated in gripper;
Constitutional diagram when Fig. 4 opens for gripper for irradiation sample of nuclear power plant is operated in gripper.
Among the figure: 1, suspension ring; 2, operating grip; 3, epimere upper shell; 4, the first intermediary operation bar; 5, coupling sleeve; 6, straight pin; 7, operating sleeve; 8, the second intermediary operation bar; 9, coupling sleeve; 10, the 3rd intermediary operation bar; 11, epimere lower house; 12, coupling sleeve; 13, the 4th intermediary operation bar; 14, flange; 15, active joint; 16, handle latch; 17, fixture splice; 18, flange; 19, latch; 20, swing bolt; 21, the 5th intermediary operation bar; 22, hypomere upper shell; 23, coupling sleeve; 24, the 6th intermediary operation bar; 25, hypomere lower house; 26, gripper carriage; 27, check lock lever; 28, gripper; 29, web member; 30, go up through hole; 31, boss; 32, lower through-hole; 33, coupling sleeve; 34, flange; 35, baffle plate; 36, through hole; 37, through hole; 38, boss; 39, through hole; 40, coupling sleeve; 41, boss; 42, operating sleeve; 43, boss; 44, boss; 45, boss; 46, hollow cylinder; 47, projection; 48, straight pin; 49, chain; 50, back up pad; 51, coupling sleeve; 52, coupling sleeve; 53, projection; 54, chain; 55, nut; 56, straight pin; 58, straight pin; 59, straight pin; 60, straight pin; 61, straight pin; 62, straight pin; 63, straight pin; 63, straight pin; 64, straight pin; 65, straight pin; 66, straight pin; 67, straight pin; 68, straight pin; 69, straight pin; 70, straight pin; 71, straight pin; 72, straight pin; 73, straight pin; 74, swivel nut; 75, nut; 76, straight pin; 77, irradiation sample.
Embodiment
Below in conjunction with accompanying drawing and embodiment a kind of gripper for irradiation sample of nuclear power plant provided by the present invention is done further explain.
A kind of gripper for irradiation sample of nuclear power plant, it comprises gripping apparatus epimere as shown in Figure 1 and gripping apparatus hypomere as shown in Figure 2.As shown in Figure 1, the gripping apparatus epimere comprises suspension ring 1, operating grip 2, web member 29, coupling sleeve 33, handle latch 16, flange 34, epimere upper shell 3, the first intermediary operation bar 4, coupling sleeve 5, operating sleeve 7, the second intermediary operation bar 8, coupling sleeve 9, baffle plate 35, the 3rd intermediary operation bar 10, epimere lower house 11, coupling sleeve 12, the 4th intermediary operation bar 13, flange 14 and active joint 15.As shown in Figure 2, the gripping apparatus hypomere comprises fixture splice 17, flange 18, latch 19, swing bolt 20, the 5th intermediary operation bar 21, hypomere upper shell 22, coupling sleeve 23, the 6th intermediary operation bar 24, hypomere lower house 25, gripper carriage 26, check lock lever 27 and gripper 28.
As shown in Figure 1, the both ends of arch suspension ring 1 are fixed on the flange 34 through bolt 55, and coupling sleeve 33 is positioned at the center pit of flange 34, and flange is provided with boss 31 outside 34 middle parts, and the external diameter of boss 31 is greater than flange 34 center pit internal diameters.Be provided with web member 29 in the coupling sleeve 33, web member 29 tops are fixedly connected with operating grip 2, and web member 29 bottoms are fixedly connected through straight pin 57 with the first intermediary operation bar, 4 tops.Web member 29 tops are provided with last through hole 30 perpendicular to axial direction, and web member 29 bottoms are provided with lower through-hole perpendicular to axial direction 32.Handle latch 16 is fixedly connected with coupling sleeve 33 outer walls through chain 54.Handle latch 16 can be inserted in through hole 30 and the lower through-hole 32.Coupling sleeve 33 bottoms are positioned at epimere upper shell 3 and are fixedly connected through straight pin 56 between the two.Epimere upper shell 3 tops are provided with through hole 36.
As shown in Figure 1; The first intermediary operation bar, 4 bottoms with between the second intermediary operation bar, 8 tops of its underpart, be fixedly connected through coupling sleeve 5; Coupling sleeve 5 tops with between its inner first intermediary operation bar, 4 bottoms, be fixedly connected through straight pin 58, coupling sleeve 5 bottoms with between the second intermediary operation bar, 8 tops of its inside, be fixedly connected through straight pin 59; Coupling sleeve 5 middle parts are provided with boss 38 and boss 38 is positioned at epimere upper shell 3, are fixedly connected through straight pin 6 between boss 38 and the operating sleeve 7; Operating sleeve 7 is enclosed within outside the epimere upper shell 3; And the epimere upper shell 3 corresponding with operating sleeve 7 positions is provided with through hole 37; Straight pin 6 can be in through hole 37 along the axial linear reciprocating motion of epimere upper shell 3, thereby drive operating sleeve 7 along epimere upper shell 3 axial linear reciprocating motions.
As shown in Figure 1, the second intermediary operation bar, 8 middle parts are positioned at coupling sleeve 9, are fixedly connected through being positioned at its inner coupling sleeve 9 between epimere upper shell 3 and the epimere lower house 11; Be threaded between coupling sleeve 9 epimeres and the epimere upper shell 3, and be fixedly connected through straight pin 60 between coupling sleeve 9 tops and the epimere upper shell 3; Be threaded between coupling sleeve 9 hypomeres and the epimere lower house 11, and be fixedly connected through straight pin 61 between coupling sleeve 9 bottoms and the epimere lower house 11.
As shown in Figure 1; The second intermediary operation bar, 8 bottoms with between the 3rd intermediary operation bar 10 tops of its underpart, be fixedly connected through coupling sleeve 40; Coupling sleeve 40 tops with between its inner second intermediary operation bar, 8 bottoms, be fixedly connected through straight pin 62, coupling sleeve 40 bottoms with between the 3rd intermediary operation bar 10 tops of its inside, be fixedly connected through straight pin 64; Coupling sleeve 40 middle parts are provided with boss 41 and boss 41 is positioned at epimere lower house 11, are fixedly connected through straight pin 63 between boss 41 and the operating sleeve 42; Operating sleeve 42 is enclosed within outside the epimere lower house 11; And the epimere lower house 11 corresponding with operating sleeve 42 positions is provided with through hole 39; Straight pin 63 can be in through hole 39 along the axial linear reciprocating motion of epimere lower house 11, thereby drive operating sleeve 42 along epimere lower house 11 axial linear reciprocating motions.
As shown in Figure 1; The 3rd intermediary operation bar 10 bottoms with between the 4th intermediary operation bar 13 of its underpart, be fixedly connected through coupling sleeve 12; Coupling sleeve 12 tops with between its inner first intermediary operation bar, 10 bottoms, be fixedly connected through straight pin 65, coupling sleeve 12 bottoms with between the 4th intermediary operation bar 13 tops of its inside, be fixedly connected through straight pin 66.
As shown in Figure 1, the 4th intermediary operation bar 13 bottoms are provided with boss 43, and boss 43 is stuck in the active joint 15, and active joint 15 outer middle parts are provided with boss 44.Epimere lower house 11 bottoms are provided with flange 14.
As shown in Figure 2, hypomere upper shell 22 tops are provided with flange 18, and flange 18 two bottom sides are respectively equipped with a projection 47, and swing bolt 20 is connected with projection 47 through straight pin 48 and swing bolt 20 can rotate around straight pin 48.
As shown in Figures 2 and 3; Can in hypomere upper shell 22, be fixed in the active joint 15 at fixture splice 17 tops along its axial linear reciprocating motion; Fixture splice 17 middle parts are provided with boss 45; Fixture splice 17 bottoms are hollow cylinder 46, and hollow cylinder 46 tops radially are provided with the pin-and-hole that can insert latch 19 along it, and latch 19 is fixedly connected with hypomere upper shell 22 through chain 49.The 5th intermediary operation bar 21 tops are positioned at hollow cylinder 46 and are fixedly connected through straight pin 67 between the two.As shown in Figure 3, be fixedly connected through swing bolt 20 between flange 14 and the flange 18.The hypomere upper shell is provided with back up pad 50 outside 22 middle parts, in the time need not using this gripping apparatus, back up pad 50 is placed on the gripping apparatus bracing frame.
As shown in Figure 2, the 5th intermediary operation bar 21 bottoms with between the 6th intermediary operation bar 24 of its underpart, be fixedly connected through coupling sleeve 23.Be fixedly connected through straight pin 68 between coupling sleeve 23 tops and the 5th intermediary operation bar 21 bottoms, be fixedly connected through straight pin 69 between coupling sleeve 23 bottoms and the 5th intermediary operation bar 24 tops.
As shown in Figure 2, the 5th intermediary operation bar 24 middle parts are positioned at coupling sleeve 51, and are fixedly connected through coupling sleeve 51 between hypomere upper shell 22 and the hypomere lower house 25, and coupling sleeve 51 is positioned at hypomere upper shell 22 and hypomere lower house 25.Between coupling sleeve 51 tops and hypomere upper shell 22 bottoms through being threaded and being fixedly connected with straight pin 70.Between coupling sleeve 51 bottoms and hypomere lower house 25 tops through being threaded and being fixedly connected with straight pin 71.
As shown in Figure 2, the 6th intermediary operation bar 24 bottoms with between the swivel nut 74 of its underpart, be fixedly connected through coupling sleeve 52.Be fixedly connected through straight pin 72 between coupling sleeve 52 tops and the 6th intermediary operation bar 24 bottoms, be fixedly connected through straight pin 73 between coupling sleeve 52 bottoms and the swivel nut 74.Check lock lever 27 tops are fixed in the swivel nut 74 and both are fastening through nut 75, and check lock lever 27 bottoms are provided with projection 53.The middle part of hypomere lower house 25 and the gripper carriage 26 that is positioned at its underpart is through being threaded and being fixedly connected with straight pin 76.Gripper carriage 26 bottoms circumferentially evenly are provided with three grippers 28 along it, check lock lever 27 between gripper 28 and the projection 53 of check lock lever 27 bottoms contact with gripper 28 inwalls.
The course of work of a kind of gripper for irradiation sample of nuclear power plant provided by the present invention is described below: as shown in Figure 1, suspension ring 1 are mainly used in this gripping apparatus are suspended on (or ring hangs on 5 tons of suspension hooks) on the auxiliary monorail crane suspension hook of fuel manipulator crane.The straight pin 6 and intermediary operation bar 4 associated movements that link together through coupling sleeve 5 with intermediary operation bar 4, and come restriction operation handle 2 to promote the stroke of (or decline) through the displacement of through hole 30 and lower through-hole 32 on the epimere upper shell 3 of this straight pin.When operating grip 2 is in two extreme positions of movement travel, when promptly operating grip 2 is in the position of through hole 30 and lower through-hole 32, operating grip 2 is locked through handle latch 16.The housing of this gripping apparatus epimere is divided into two sections, by coupling sleeve 9 through be threaded, straight pin links together two-piece housing mutually, for the intermediary operation bar provides protective effect.As shown in Figure 2, gripper holding frame 26 is used for fixing gripper 28.
Like Fig. 1, Fig. 2 and shown in Figure 3, gripping apparatus fits together its two sections in use.The upper and lower two sections housing of gripping apparatus is connected and locking by swing bolt 20 through flange 14,18; The intermediary operation bar is connected with fixture splice 17 by active joint 15; When preventing the hypomere separate storage; The latch 19 that is connected by chain 49 has been set up in the landing of operating rod in the middle of the gripping apparatus of lower part on hypomere upper shell 22.
Like Fig. 4 and shown in Figure 5, after gripper for irradiation sample fitted together, can operate irradiation sample pipe 77 or irradiation sample plug.After the assembling, operating grip 2 with drive gripper 28 and " open " to link together and realize the interlocking motion with the intermediary operation bar 4,8,10,13,21,24 of " closing up " and check lock lever 27.Like Fig. 4; When operating grip 2 was in upper position, handle latch 16 was locked in the lower through-hole 32, and promptly handle latch 16 is locked in " gripper closes up " position accordingly; Gripper 28 closes up, and can drop to irradiation sample pipe 77 or irradiation sample beyond the Great Wall this moment with gripping apparatus.As shown in Figure 5; Pull up handle latch 16, with operating grip 2 whereabouts 44mm, (handle latch is locked in " gripper is opened " position accordingly); Gripper is opened; Handle latch 16 is locked in the through hole 30, and gripper 28 is locked on the irradiation sample pipe (plug) 77, at this moment just can extract irradiation sample pipe 77 or irradiation sample plug.
Claims (2)
1. gripper for irradiation sample of nuclear power plant; The gripper (28) that it comprises housing, is positioned at the control lever of housing, contacts with control lever; It is characterized in that: it comprises gripping apparatus epimere and gripping apparatus hypomere; The gripping apparatus epimere comprises epimere upper shell (3), epimere lower house (11), the first intermediary operation bar (4), the second intermediary operation bar (8), the 3rd intermediary operation bar (10) and the 4th intermediary operation bar (13), is fixedly connected through coupling sleeve (9) between epimere upper shell (3) and the epimere lower house (11); Operating grip (2) is fixedly connected with first intermediary operation bar (4) top through web member (29) bottom; Be fixedly connected through first coupling sleeve (5) bottom the first intermediary operation bar (4) with between second intermediary operation bar (8) top that is positioned at its underpart; Be fixedly connected through the 4th coupling sleeve (40) between the second intermediary operation bar (8) bottom and the 3rd intermediary operation bar (10) top that is positioned at its underpart, be fixedly connected through second coupling sleeve (12) bottom the 3rd intermediary operation bar (10) with between the 4th intermediary operation bar (13) that is positioned at its underpart; The gripping apparatus hypomere comprises hypomere upper shell (22), hypomere lower house (25), the 5th intermediary operation bar (21), the 6th intermediary operation bar (24) and check lock lever (27); Be fixedly connected through the 5th coupling sleeve (51) between hypomere upper shell (22) and the hypomere lower house (25); Be fixedly connected through the 3rd coupling sleeve (23) between the 5th intermediary operation bar (21) bottom and the 6th intermediary operation bar (24) that is positioned at its underpart, be fixedly connected through the 6th coupling sleeve (52) bottom the 6th intermediary operation bar (24) with between the swivel nut that is positioned at its underpart (74); Check lock lever (27) top is fixed in the swivel nut (74), and check lock lever (27) bottom is provided with projection (53), is provided with gripper carriage (26) between hypomere lower house (25) and the 6th coupling sleeve (52); Gripper carriage (26) bottom is provided with several grippers (28), and check lock lever (27) is positioned between the gripper (28), the projection (53) of check lock lever (27) bottom contacts with gripper (28) inwall; The 4th intermediary operation bar (13) bottom is fixedly connected with the 5th intermediary operation bar (21), and epimere lower house (11) is fixedly connected with hypomere upper shell (22).
2. a kind of gripper for irradiation sample of nuclear power plant according to claim 1; It is characterized in that: described the 4th intermediary operation bar (13) bottom is provided with first boss (43); First boss (43) is stuck in the active joint (15); The outer middle part of active joint (15) is provided with second boss (44), and epimere lower house (11) bottom is provided with first flange (14); Hypomere upper shell (22) top is provided with second flange (18); Can in hypomere upper shell (22), be fixed in the active joint (15) at fixture splice (17) top along its axial linear reciprocating motion; Fixture splice (17) middle part is provided with the 3rd boss (45); Fixture splice (17) bottom is hollow cylinder (46); Hollow cylinder (46) top radially is provided with the pin-and-hole that can insert latch (19) along it, and latch (19) is fixedly connected with hypomere upper shell (22) through chain (49); The 5th intermediary operation bar (21) top is positioned at hollow cylinder (46); Be fixedly connected between first flange (14) and second flange (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101809963A CN101740148B (en) | 2008-11-20 | 2008-11-20 | Gripper for irradiation sample of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101809963A CN101740148B (en) | 2008-11-20 | 2008-11-20 | Gripper for irradiation sample of nuclear power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101740148A CN101740148A (en) | 2010-06-16 |
| CN101740148B true CN101740148B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101809963A Expired - Fee Related CN101740148B (en) | 2008-11-20 | 2008-11-20 | Gripper for irradiation sample of nuclear power plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN101740148B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740146B (en) * | 2008-11-20 | 2012-06-27 | 中国核电工程有限公司 | Double-station gripping apparatus |
| CN104103327B (en) * | 2014-07-01 | 2017-01-04 | 西北核技术研究所 | A kind of reactor sample gripping apparatus |
| CN105081483A (en) * | 2015-08-28 | 2015-11-25 | 上海核工程研究设计院 | Irradiation surveillance sample positioning, clamping and cutting device and method |
| CN110803612B (en) * | 2019-10-17 | 2021-08-27 | 岭东核电有限公司 | Control rod guide cylinder hoisting device and control rod guide cylinder hoisting method |
| CN110802540B (en) * | 2019-10-17 | 2021-08-27 | 岭东核电有限公司 | Screw rod screwing and clamping integrated device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001084557A1 (en) * | 2000-05-04 | 2001-11-08 | Framatome Anp | Method and device for loading the core of a nuclear reactor with fuel assemblies |
| CN1182542C (en) * | 2003-01-10 | 2004-12-29 | 清华大学 | Automatic distant gravitational escapement |
| CN1713304A (en) * | 2005-07-29 | 2005-12-28 | 清华大学 | Long-range picker of fuel ball of ball bed high-temperature air cooled reactor |
-
2008
- 2008-11-20 CN CN2008101809963A patent/CN101740148B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001084557A1 (en) * | 2000-05-04 | 2001-11-08 | Framatome Anp | Method and device for loading the core of a nuclear reactor with fuel assemblies |
| CN1182542C (en) * | 2003-01-10 | 2004-12-29 | 清华大学 | Automatic distant gravitational escapement |
| CN1713304A (en) * | 2005-07-29 | 2005-12-28 | 清华大学 | Long-range picker of fuel ball of ball bed high-temperature air cooled reactor |
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| Publication number | Publication date |
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| CN101740148A (en) | 2010-06-16 |
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