CN102314952A - Fuel-basket tipping device - Google Patents
Fuel-basket tipping device Download PDFInfo
- Publication number
- CN102314952A CN102314952A CN2010102141792A CN201010214179A CN102314952A CN 102314952 A CN102314952 A CN 102314952A CN 2010102141792 A CN2010102141792 A CN 2010102141792A CN 201010214179 A CN201010214179 A CN 201010214179A CN 102314952 A CN102314952 A CN 102314952A
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- China
- Prior art keywords
- support
- bearing
- fuel
- guide holder
- gearing
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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.)
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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 relates to the field of fuel assembly overhaul in nuclear power plants, and particularly relates to a fuel-basket tipping device. The fuel-basket tipping device comprises a particle collector, a tipping support, a transmission device and guide holders, wherein the tipping support is formed by that two parallelly-arranged triangular supports are mutually connected in a reinforced mode and located on a quadrilateral support; the upper parts of the two triangular supports of the tipping support are respectively provided with a support plate in an erected mode; each support plate is provided with a guide holder; one of the support plates is provided with the transmission device, and the other support plate is provided with a support hanging ring; and the bottom of the tipping support is provided with one particle collector. By using the fuel-basket tipping device provided by the invention, an effect of underwater far-distance fuel tipping is achieved, and the tipping effect is achieved by using a worm gear.
Description
Technical field
The present invention relates to the maintenance field of s Nuclear Plant, be specifically related to a kind of fuel basket tipple.
Background technology
Along with the operation of nuclear power station, will inevitably there be certain breakage rate in fuel assembly.And fuel assembly breakage wherein 1～2 fuel rod breakage often, if whole fuel assembly is scrapped, economic loss is very huge.Therefore removable structure has all been adopted in fuel assembly design in countries in the world, has developed prosthetic device simultaneously, the damaged fuel assembly that does not reach specified burn-up level is implemented to repair and is continued use into heap, to obtain economic benefit.Domestic except that the Qinshan first phase once spent a large amount of foreign exchanges from German import one the cover prosthetic device, Daya Bay nuclear power plant, mountain range Australia nuclear power station, Qinshan second phase and gulf, field nuclear power station all do not have the fuel assembly prosthetic device.The fuel assembly prosthetic device that is used for the C-1 nuclear power station overlaps for the Qinshan first phase has designed one in Shanghai Institute of Nuclear Engineering.Fuel basket tipple promptly is a key equipment in the fuel assembly prosthetic device equipment.In practical operation, use fuel basket tipple to make the basket assembly upset of tumbling, arrive the purpose of maintenance,
Summary of the invention
The object of the present invention is to provide a kind of a kind of fuel basket tipple that when the maintenance fuel assembly, uses.
Realize that technical scheme of the present invention is: a kind of fuel basket tipple, it comprises particle collector, dump cradle, gearing and guide holder; Described dump cradle strengthened connecting by the triangular supports of 2 parallel placements each other, and is seated in and constitutes on 1 quadrilateral support; 1 support plate has respectively been set up on top in 2 triangular supports of dump cradle, and each support plate is provided with 1 guide holder, and 1 support plate therein is provided with gearing, and another support plate is provided with 1 support suspension ring; Be provided with 1 particle collector in the bottom of described dump cradle.
Described gearing is made up of worm screw, turbine, turbine cover, gearing suspension ring, transmission shaft, shaft coupling and bearing; Described bearing is provided with worm screw and turbine, is covered with turbine cover in the outside of worm screw and turbine; The center of described turbine is installed with transmission shaft, and transmission shaft is provided with shaft coupling, and bearing is provided with 1 gearing suspension ring, and bearing is connected through 1 support plate of bearing gib screw and dump cradle.
Described guide holder is made up of block, bearing holder (housing, cover), guide holder support and base; Described base is provided with 2 guide holder supports side by side; In 2 guide holder supports side by side, be fixed with bearing holder (housing, cover) through the bearing holder (housing, cover) erection bolt; On the arm of 2 guide holder supports, be respectively arranged with 1 block, 2 guide holders are separately fixed on 2 support plates through the base set bolt.
Described particle collector is made up of particle collection trough, U type mouth and cross bar hanger; Respectively have 2 U type mouths on the two groove arms of described particle collection trough; Be provided with 1 cross bar hanger on the top of each U type mouth, particle collector is fixed on the quadrilateral support of dump cradle bottom through the cross bar hanger on the U type mouth.
Respectively be provided with 1 set bolt under water on 4 angles of the bottom quadrilateral support of described dump cradle.
Effect of the present invention is: fuel basket tipple has realized carrying out at a distance the function that fuel is tumbled under water.Adopt worm and gear to reach tilt functions.The full armrest of tumbling of fuel basket tipple is moving, need not electric power and supplies with, and guarantees the stable of the process of tumbling.Equipment has particle collector, and the collection of the parts that drop that are used for careless manipulation is caused prevents it and directly falls at the bottom of the pond.For the fuel assembly reparation provides safeguard.
Description of drawings
Fig. 1 is a kind of fuel basket tipple synoptic diagram of the present invention;
Fig. 2 is a dump cradle synoptic diagram of the present invention;
Fig. 3 is a gearing front schematic view of the present invention;
Fig. 4 is a gearing schematic rear view of the present invention;
Fig. 5 is a guide holder synoptic diagram of the present invention;
Fig. 6 is a particle collector synoptic diagram of the present invention;
Fig. 7 is the basket assembly synoptic diagram of tumbling;
Fig. 8 is a scotch synoptic diagram of the present invention;
Fig. 9 is fuel basket tipple synoptic diagram in the work.
Among the figure: 1, particle collector; 2, dump cradle; 3, the basket assembly of tumbling; 4, gearing; 5, guide holder; 6, support plate; 7, support suspension ring; 8, set bolt under water; 9, worm screw; 10, turbine; 11, turbine cover; 12, gearing suspension ring; 13, transmission shaft; 14, shaft coupling; 15, bearing; 16, bearing gib screw; 17, base set bolt; 18, block; 19, bearing holder (housing, cover); 20, guide holder support; 21, base; 22, bearing holder (housing, cover) erection bolt; 23, particle collection trough; 24, U type mouth; 25, cross bar hanger; 26, top cover; 27, bottom; 28, trip shaft; 29, scotch; 30, balancing weight; 31, be fixedly connected frame.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment a kind of fuel basket tipple of the present invention is done further to specify.
As depicted in figs. 1 and 2: a kind of fuel basket tipple, it comprises particle collector 1, dump cradle 2, gearing 4 and guide holder 5; Described dump cradle 2 strengthened connecting by the triangular supports of 2 parallel placements each other, and is seated in and constitutes on 1 quadrilateral support; 1 set bolt 8 under water respectively is installed on 4 angles of the bottom quadrilateral support of dump cradle 2.Set bolt 8 can be fixed on fuel basket tipple on the water-bed embedded board under water.1 support plate 6 has respectively been set up on top in 2 triangular supports of dump cradle 2, and 1 guide holder 5 is installed on each support plate 6, on 1 support plate 6 therein gearing 4 is installed, and 1 support suspension ring 7 is installed on another support plate 6; 1 particle collector 1 is installed in the bottom of described dump cradle 2.
Like Fig. 3 and shown in Figure 4: described gearing 4 is made up of worm screw 9, turbine 10, turbine cover 11, gearing suspension ring 12, transmission shaft 13, shaft coupling 14 and bearing 15; Worm screw 9 and turbine 10 are installed on the described bearing 15, are covered with turbine cover 11 in the outside of worm screw 9 and turbine 10; The center of described turbine 10 is installed with transmission shaft 13, and shaft coupling 14 is installed on transmission shaft 13, and 1 gearing suspension ring 12 is installed on the bearing 15, and bearing 15 is connected through 1 support plate 6 of bearing gib screw 16 and dump cradle 2.
As shown in Figure 5: described guide holder 5 is made up of block 18, bearing holder (housing, cover) 19, guide holder support 20 and base 21; 2 guide holder supports 20 side by side are installed on the described base 21; In 2 guide holder supports 20 side by side, be fixed with bearing holder (housing, cover) 19 through bearing holder (housing, cover) erection bolt 22; Be separately fixed on 2 support plates 6 through base set bolt 17 being separately installed with 18,2 guide holders 5 of 1 block on the arm of 2 guide holder supports 20.
As shown in Figure 6: described particle collector 1 is made up of particle collection trough 23, U type mouth 24 and cross bar hanger 25; Respectively have 2 U type mouths 24 on the two groove arms of described particle collection trough 23; Be connected with 1 cross bar hanger 25 on the top of each U type mouth 24, particle collector 1 is fixed on the dump cradle 2 bottom quadrilateral supports through the cross bar hanger 25 on the U type mouth 24.Particle collector 1 can be collected damaged fuel assembly and trickle down the spentnuclear fuel and other parts that drop that get off, in order to avoid further in fuel pit, spread, reduces contaminated area.
Like Fig. 7 and shown in Figure 8: on the basket assembly 3 of tumbling scotch 29 is installed; When top cover 26 and bottom 27 were all closed, scotch 29 was in retracted state, and the basket assembly 3 of tumbling like this can rotate; When top cover 26 or bottom 27 have one to open; Scotch 29 is in open state, at this moment can contact with the block 18 on the guide holder 5 of fuel basket tipple, and block 18 can stop the basket assembly 3 of tumbling to rotate.Tumble and balancing weight 30 also is installed, balancing weight 30, the rotary balance that can regulate the basket assembly 3 of tumbling on the basket assembly 3.
As shown in Figure 9: 28 of the trip shafts of the basket assembly 3 of will tumbling in the work are on the bearing holder (housing, cover) 19 on the described guide holder 5; Lean against the trip shaft 28 of gearing 4 one sides and be connected with shaft coupling 14 on the gearing 4, gearing 4 just can be controlled the upset of the basket assembly 3 of tumbling like this.
In use at first open the top cover 26 of the basket assembly 3 of tumbling with the special-purpose long handle instrument of end cap; Put into the basket assembly 3 of tumbling to the fuel assembly of need reparation with the fuel handling instrument; Cover its top cover 26 again; Use the worm screw 9 of long handle instrument rotation transmission device 4 then, make the basket assembly 3 of tumbling rotate 180 °.This moment, the basket assembly 3 of tumbling was bottom-up, with the tumble bottom 27 of basket assembly 3 of end cap special use long handle TO, utilized various tool to repair fuel assembly.Behind the EO, shut bottom 27.With the worm screw 9 of long handle instrument backward rotation gearing 4, make the basket assembly 3 of tumbling rotate back into the origin-location.Use the special-purpose long handle TO of end cap top cover 8 at last, from the basket assembly 3 of tumbling, take out fuel assembly with the fuel handling instrument.
At work in order to make the switching process of fuel basket tipple stable, be connected the stability of raising switching process to the support plate that gearing 4 is installed 6 through bolt with fixed connection frame 31 on being installed in pool wall.
Claims (5)
1. fuel basket tipple, it is characterized in that: it comprises particle collector (1), dump cradle (2), gearing (4) and guide holder (5); Described dump cradle (2) strengthened connecting by the triangular supports of 2 parallel placements each other, and is seated in and constitutes on 1 quadrilateral support; 1 support plate (6) has respectively been set up on top in 2 triangular supports of dump cradle (2); Each support plate (6) is provided with 1 guide holder (5); 1 support plate (6) therein is provided with gearing (4), and another support plate (6) is provided with 1 support suspension ring (7); Be provided with 1 particle collector (1) in the bottom of described dump cradle (2).
2. a kind of fuel basket tipple according to claim 1 is characterized in that: described gearing (4) is made up of worm screw (9), turbine (10), turbine cover (11), gearing suspension ring (12), transmission shaft (13), shaft coupling (14) and bearing (15); Described bearing (15) is provided with worm screw (9) and turbine (10), is covered with turbine cover (11) in the outside of worm screw (9) and turbine (10); The center of described turbine (10) is installed with transmission shaft (13); Transmission shaft (13) is provided with shaft coupling (14); Bearing (15) is provided with 1 gearing suspension ring (12), and bearing (15) is connected through 1 support plate (6) of bearing gib screw (16) and dump cradle (2).
3. a kind of fuel basket tipple according to claim 1 is characterized in that: described guide holder (5) is made up of block (18), bearing holder (housing, cover) (19), guide holder support (20) and base (21); Described base (21) is provided with 2 guide holder supports (20) side by side; In 2 guide holder supports (20) side by side, be fixed with bearing holder (housing, cover) (19) through bearing holder (housing, cover) erection bolt (22); On the arm of 2 guide holder supports (20), be respectively arranged with 1 block (18), 2 guide holders (5) are separately fixed on 2 support plates (6) through base set bolt (17).
4. a kind of fuel basket tipple according to claim 1; It is characterized in that: described particle collector (1) is made up of particle collection trough (23), U type mouth (24) and cross bar hanger (25); Respectively have 2 U type mouths (24) on the two groove arms of described particle collection trough (23); Be provided with 1 cross bar hanger (25) on the top of each U type mouth (24), particle collector (1) is fixed on the quadrilateral support of dump cradle (2) bottom through the cross bar hanger (25) on the U type mouth (24).
5. a kind of fuel basket tipple according to claim 1 is characterized in that: respectively be provided with 1 set bolt (8) under water on 4 angles of the bottom quadrilateral support of described dump cradle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102141792A CN102314952A (en) | 2010-06-30 | 2010-06-30 | Fuel-basket tipping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102141792A CN102314952A (en) | 2010-06-30 | 2010-06-30 | Fuel-basket tipping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102314952A true CN102314952A (en) | 2012-01-11 |
Family
ID=45428032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102141792A Pending CN102314952A (en) | 2010-06-30 | 2010-06-30 | Fuel-basket tipping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102314952A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935294A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of spentnuclear fuel associated component suitable for odevity unit capacity reducing device under water |
| CN108039215A (en) * | 2017-11-06 | 2018-05-15 | 中广核核电运营有限公司 | Fuel assembly skeleton repair system and method |
| CN114044320A (en) * | 2021-10-26 | 2022-02-15 | 中国船舶重工集团公司第七二五研究所 | Vertical in-place supporting frame capable of preventing fuel basket from shaking and fuel conveying device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050265510A1 (en) * | 2004-05-14 | 2005-12-01 | Rush Jennings | Multi-plant adaptable boiling water reactor inspection work platform |
| CN101090008A (en) * | 2006-06-16 | 2007-12-19 | 秦山核电公司 | Burst slug assembly repair technology after irridiation and its special equipment |
| CN201717013U (en) * | 2010-06-30 | 2011-01-19 | 上海核工程研究设计院 | Fuel basket tipping device |
-
2010
- 2010-06-30 CN CN2010102141792A patent/CN102314952A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050265510A1 (en) * | 2004-05-14 | 2005-12-01 | Rush Jennings | Multi-plant adaptable boiling water reactor inspection work platform |
| CN101090008A (en) * | 2006-06-16 | 2007-12-19 | 秦山核电公司 | Burst slug assembly repair technology after irridiation and its special equipment |
| CN201717013U (en) * | 2010-06-30 | 2011-01-19 | 上海核工程研究设计院 | Fuel basket tipping device |
Non-Patent Citations (1)
| Title |
|---|
| 沈秋平等: "燃料组件修复装置的设计", 《核技术》, vol. 33, no. 2, 28 February 2010 (2010-02-28) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935294A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of spentnuclear fuel associated component suitable for odevity unit capacity reducing device under water |
| CN108039215A (en) * | 2017-11-06 | 2018-05-15 | 中广核核电运营有限公司 | Fuel assembly skeleton repair system and method |
| CN108039215B (en) * | 2017-11-06 | 2019-07-19 | 中广核核电运营有限公司 | Fuel assembly skeleton repair system and method |
| CN114044320A (en) * | 2021-10-26 | 2022-02-15 | 中国船舶重工集团公司第七二五研究所 | Vertical in-place supporting frame capable of preventing fuel basket from shaking and fuel conveying device |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120111 |
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| WD01 | Invention patent application deemed withdrawn after publication |