CN202352356U - Overturning device for fuel component - Google Patents
Overturning device for fuel component Download PDFInfo
- Publication number
- CN202352356U CN202352356U CN2011205422196U CN201120542219U CN202352356U CN 202352356 U CN202352356 U CN 202352356U CN 2011205422196 U CN2011205422196 U CN 2011205422196U CN 201120542219 U CN201120542219 U CN 201120542219U CN 202352356 U CN202352356 U CN 202352356U
- Authority
- CN
- China
- Prior art keywords
- overturning
- fuel assembly
- loam cake
- cylindrical shell
- cover
- Prior art date
- 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 - Lifetime
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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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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an overturning device for a fuel component. The overturning device consists of an overturning container and an overturning bracket. The overturning container comprises a barrel. The barrel consists of stainless steel pipes, an upper flange and a lower flange, wherein the upper and lower flanges are welded integrally with the stainless steel pipes. An upper cover fixedly connected with the barrel is arranged at the upper end of the barrel, and a lower cover plate fixedly connected with the barrel is arranged at the lower end of the barrel. Overturning shafts for overturning the overturning container are arranged on the outer wall of the middle part of the barrel. A square hole for positioning the fuel component is reserved in the center of each of the upper and lower flanges. The overturning bracket consists of U-shaped overturning shaft accommodation grooves and support frames, wherein the U-shaped overturning shaft accommodation groove has a structure which is adapted to that of the overturning shaft, and is used for accommodating the overturning shaft, thereby arranging the overturning container on the overturning bracket. The overturning container and the overturning bracket are rationally designed, so that the requirements of the fuel component on convenience for charging and discharging and overturning safety are met; and the overturning container and the overturning bracket are simple in structure and convenient to machine, and accommodation and overturning operation for the fuel component can be conveniently finished.
Description
Technical field
The utility model relates to turning device, is specifically related to a kind of turning device of fuel assembly.
Background technology
Do not see that to the fuel container switching process relevant special turning device is arranged at present; At present in fuel assembly disintegration process the most convenient mode be begin from the fuel assembly bottom dismounting; So must fuel assembly be carried out turning operation; In order to protect the safety of fuel assembly, reach and collect the inside and outside impurity of fuel assembly in the switching process, must also need the corresponding filter measure.Therefore the complicated operating process that exists in the prior art, spended time, the more technical matters of manpower.
The utility model content
The utility model has overcome the deficiency of prior art; A kind of turning device of fuel assembly is provided, and this turning device is simple in structure, has designed rational inverting container and turnover bracket; Satisfy the requirement of convenient turnover of fuel assembly and safety upset, solved the technical matters that exists in the prior art.
For solving above-mentioned technical matters, the utility model adopts following technical scheme:
A kind of turning device of fuel assembly; Form by inverting container and turnover bracket; Above-mentioned inverting container comprises cylindrical shell again, and above-mentioned cylindrical shell is formed by stainless-steel pipe and with the upper flange and the lower flange of stainless-steel pipe welding one, in the cylindrical shell upper end loam cake that firmly is connected with cylindrical shell is arranged; In the cylindrical shell lower end lower cover that firmly is connected with cylindrical shell is arranged, be useful on the trip shaft that inverting container is overturn on the outer wall at cylindrical shell middle part; Above-mentioned upper flange and lower flange center all have the square hole that is used to locate fuel assembly; This square hole on the component height direction just in time with fuel assembly on bottom nozzle cooperate; Guarantee that in switching process the location square hole can not be in contact with one another with fuel rod, guarantees fuel rod safety; And above-mentioned turnover bracket is made up of trip shaft U-shaped tank and bracing frame, thereby wherein the structure of the structure of trip shaft U-shaped tank and trip shaft is suitable and be used to hold trip shaft inverting container is placed on turnover bracket.
Further be:
Above-mentioned bracing frame is a pair of A-frame that is welded into by channel-section steel; Trip shaft U-shaped tank uses stainless-steel sheet to roll and forms; The arc section internal diameter of trip shaft U-shaped tank and trip shaft size match; The high 70mm of straight section, and 15 ° the inclination angle of turning up is arranged with vertical direction guarantees that trip shaft gets into smoothly and can not deviate from.
Cover the loam cake register pin of locating when being useful on switch cover on above-mentioned, the above-mentioned following lower cover register pin of locating when being useful on switch cover that covers also is equipped with two coupling bolts that are used to close locking when covering.
Above-mentioned upper flange, lower flange, loam cake and under cover, be welded with the direction signs that are used for when remote the installation, confirming the corresponding direction that matches respectively.
Also have the chamfering of fuel assembly turnover guiding on the above-mentioned square hole that is used to locate fuel assembly; Above-mentioned lower flange also is welded with the guide cylinder that a steel plate is processed on the assembly approach axis; All dispose the threaded hole of coupling bolt when being used for switch cover on the upper and lower flange and be used for loam cake and lower cover closes when covering the pin to the cover plate location under water; Pin passes the pin-and-hole on the upper and lower flange, stretches out spot welding fixed vertical behind the pin-and-hole.
Above-mentioned guide cylinder is square guide cylinder.
Above-mentioned cylindrical shell and loam cake are fixed together through loam cake switch cover assembly, and cylindrical shell and lower cover are fixed together through lower cover switch cover assembly.
Above-mentioned loam cake switch cover assembly is the same with lower cover switch cover modular construction; Form by coupling bolt postive stop baffle, baffle plate reference column and stop nut; Wherein coupling bolt passes postive stop baffle and cooperates with stop nut and screws; Above-mentioned baffle plate reference column is arranged between upper cover plate and the postive stop baffle in loam cake switch cover assembly, and above-mentioned baffle plate reference column is arranged between lower cover and the postive stop baffle in lower cover switch cover assembly.
The suspension ring that use when the upper surface center of above-mentioned loam cake is installed with container transfer and switch cover, the above-mentioned suspension ring outside has a circle vent port, is used for container in exhaust of going into exiting water process or draining.
Compared with prior art; The beneficial effect of the utility model is: through appropriate design inverting container, turnover bracket; Satisfy the requirement of convenient turnover of fuel assembly and safety upset; Inverting container and turnover bracket are simple in structure, and be easy to process, can accomplish fuel assembly containing, rotary movement very easily.
Description of drawings
Fig. 1 is the inverting container structural representation of the utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation of the loam cake switch cover assembly of the utility model;
Fig. 4 is the structural representation of the utility model turnover bracket.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to set forth.
As shown in Figure 1; A kind of turning device of fuel assembly is made up of inverting container and turnover bracket, and above-mentioned inverting container comprises cylindrical shell 5 again; Cylindrical shell 5 is formed with lower flange 8 by stainless-steel pipe and with the upper flange 4 of stainless-steel pipe welding one; In cylindrical shell 5 upper ends the loam cake 3 that firmly is connected with cylindrical shell 5 is arranged, the lower cover 9 that firmly is connected with cylindrical shell 5 is arranged in cylindrical shell 5 lower ends, be useful on the trip shaft 6 that inverting container is overturn on the outer wall at cylindrical shell 5 middle parts; Above-mentioned upper flange 4 all has the square hole that is used to locate fuel assembly with lower flange 8 centers; This square hole on the component height direction just in time with fuel assembly on bottom nozzle cooperate; Guarantee that in switching process the location square hole can not be in contact with one another with fuel rod, guarantees fuel rod safety.On above-mentioned upper flange 4, lower flange 8, loam cake 3 and the lower cover 9, be welded with the direction signs 13 that are used for when remote the installation, confirming the corresponding direction that matches respectively.
Above-mentioned turnover bracket is made up of trip shaft U-shaped tank 31 and bracing frame 32, and wherein the structure of the structure of trip shaft U-shaped tank 31 and trip shaft 6 is suitable and be used to hold trip shaft 6, thereby inverting container is placed on the bracing frame 32.Inverting container can be overturn in trip shaft U-shaped tank 31.Trip shaft 6 is welded on the inverting container both sides, and the installation site is the geometric center of container height direction.Two trip shafts 6 are the step axle, can guarantee that inverting container puts into behind the turnover bracket not left and right sides play.Effective cavity volume height of inverting container whole interior can contain fuel assembly basically.But the decrement of the flat spring of base on the fuel assembly on the short transverse (promptly fuel assembly two ends) up and down keeps a little but efficient pressure to it; Guarantee that fuel assembly axial float can not take place in container in the switching process, guarantee the safety of assembly.
Also have the chamfering of fuel assembly turnover guiding on the above-mentioned square hole that is used to locate fuel assembly; Lower flange 8 also is welded with the square guide cylinder 7 that a steel plate is processed on the assembly approach axis; All dispose the threaded hole of coupling bolt when being used for switch cover on the upper and lower flange 4,8 and be used for loam cake 3 and lower cover 9 closes when covering the pin to the cover plate location under water; Pin passes the pin-and-hole on the flange; Stretch out spot welding fixed vertical behind the about 20mm of pin-and-hole, the purpose that leaves extension elongation is when inverting container being placed on the positioning action platform, to utilize it to laying the operation location.
In the present embodiment, cylindrical shell 5 is fixed together through loam cake switch cover assembly 2 with loam cake 3, and cylindrical shell 5 is fixed together through lower cover switch cover assembly 12 with lower cover 9.Loam cake 3 is made by stainless-steel sheet with lower cover 9, the suspension ring 1 that use when the top center welded and installed of loam cake 3 has container transfer and switch cover, and suspension ring 1 outside has a circle vent port, is used for container in exhaust of going into exiting water process or draining.On cover except that prefabricated and be used for switch cover wear the pin-and-hole of pin time location; Two coupling bolts that are used to close locking when covering also are installed; Owing to all need underwater operation during switch cover, when coupling bolt need on the cover board have axial freedom of movement, can't come off from cover plate.Elasticity bolt operation when accomplishing switch cover under water smoothly; Be provided with loam cake switch cover assembly 2 and lower cover switch cover assembly 12; Their structure is the same; Form by coupling bolt 21, postive stop baffle 22, baffle plate reference column 23 and stop nut 24; Wherein coupling bolt 21 passes postive stop baffle 22 and cooperates with stop nut 24 and screws, and above-mentioned baffle plate reference column 23 is arranged between upper cover plate 3 and the postive stop baffle 22 in loam cake switch cover assembly 2, and above-mentioned baffle plate reference column 23 is arranged between lower cover 9 and the postive stop baffle 22 in lower cover switch cover assembly 12.Earlier coupling bolt is penetrated in the postive stop baffle macropore during connection, stop nut is inserted in bolt, screw, fix in the screw thread spot welding of tossing about, spot welding guarantees that nut end face and bolt shaft are to being vertical.The assembling back guarantees mobile down in the axial direction being connected into flange fully and deviating from flange fully of bolt.The loam cake register pin 10 of locating when being useful on switch cover on the loam cake 3, the lower cover register pin 11 of locating when being useful on switch cover on the above-mentioned lower cover 9 also is equipped with two coupling bolts that are used to close locking when covering.
In the present embodiment; Above-mentioned bracing frame 32 is a pair of A-frames that are welded into by channel-section steel; Trip shaft U-shaped tank 31 uses stainless-steel sheet to roll and forms arc section internal diameter and inverting container trip shaft size match, the high 70mm of straight section; And 15 ° the inclination angle of turning up being arranged with vertical direction, the trip shaft 6 of assurance gets into smoothly and can not deviate from.
Claims (9)
1. the turning device of a fuel assembly; Form by inverting container and turnover bracket; It is characterized in that: described inverting container comprises cylindrical shell (5) again; Described cylindrical shell (5) is formed by stainless-steel pipe and with the upper flange (4) and the lower flange (8) of stainless-steel pipe welding one; In cylindrical shell (5) upper end the loam cake (3) that firmly is connected with cylindrical shell (5) is arranged, the lower cover (9) that firmly is connected with cylindrical shell (5) is arranged, be useful on the trip shaft (6) that inverting container is overturn on the outer wall at cylindrical shell (5) middle part in cylindrical shell (5) lower end; Described upper flange (4) and lower flange (8) center all have the square hole that is used to locate fuel assembly, this square hole on the component height direction just in time with fuel assembly on bottom nozzle cooperate; And described turnover bracket is made up of trip shaft U-shaped tank (31) and bracing frame (32), wherein the structure of the structure of trip shaft U-shaped tank (31) and trip shaft (6) suitable and be used to hold trip shaft (6) thus inverting container is placed on turnover bracket.
2. the turning device of fuel assembly according to claim 1; It is characterized in that: described bracing frame (32) is a pair of A-frame that is welded into by channel-section steel; Trip shaft U-shaped tank (31) uses stainless-steel sheet to roll and forms the arc section internal diameter of trip shaft U-shaped tank (31) and trip shaft (6) size match, the high 70mm of straight section; And 15 ° the inclination angle of turning up is arranged with vertical direction, guarantee that trip shaft (6) gets into smoothly and can not deviate from.
3. the turning device of fuel assembly according to claim 1; It is characterized in that: the loam cake register pin (10) of locating when being useful on switch cover on the described loam cake (3); The lower cover register pin (11) of locating when being useful on switch cover on the described lower cover (9) also is equipped with two coupling bolts that are used to close locking when covering.
4. the turning device of fuel assembly according to claim 1; It is characterized in that: on described upper flange (4), lower flange (8), loam cake (3) and the lower cover (9), be welded with the direction signs (13) that are used for when remote the installation, confirming the corresponding direction that matches respectively.
5. the turning device of fuel assembly according to claim 1 is characterized in that: the chamfering that also has fuel assembly turnover guiding on the described square hole that is used to locate fuel assembly; Described lower flange (8) also is welded with the guide cylinder (7) that a steel plate is processed on the assembly approach axis; The threaded hole of coupling bolt and be used for loam cake (3) and lower cover (9) closes when covering the pin to the cover plate location under water when all being useful on switch cover on the upper and lower flange (4,8); Pin passes the pin-and-hole on the upper and lower flange (4,8), stretches out spot welding fixed vertical behind the pin-and-hole.
6. the turning device of fuel assembly according to claim 5, it is characterized in that: described guide cylinder (7) is square guide cylinder.
7. the turning device of fuel assembly according to claim 1; It is characterized in that: described cylindrical shell (5) and loam cake (3) are fixed together through loam cake switch cover assembly (2), and cylindrical shell (5) and lower cover (9) are fixed together through lower cover switch cover assembly (12).
8. the turning device of fuel assembly according to claim 7; It is characterized in that: described loam cake switch cover assembly (2) is the same with lower cover switch cover assembly (12) structure; Form by coupling bolt (21), postive stop baffle (22), baffle plate reference column (23) and stop nut (24); Wherein coupling bolt (21) passes postive stop baffle (22) and cooperates with stop nut (24) and screws; Described baffle plate reference column (23) is arranged in loam cake switch cover assembly (2) between upper cover plate (3) and the postive stop baffle (22), and described baffle plate reference column (23) is arranged in lower cover switch cover assembly (12) between lower cover (9) and the postive stop baffle (22).
9. the turning device of fuel assembly according to claim 7; It is characterized in that: the suspension ring (1) that use when the upper surface center of described loam cake (3) is installed with container transfer and switch cover, described suspension ring (1) outside have a circle vent port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205422196U CN202352356U (en) | 2011-12-22 | 2011-12-22 | Overturning device for fuel component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205422196U CN202352356U (en) | 2011-12-22 | 2011-12-22 | Overturning device for fuel component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352356U true CN202352356U (en) | 2012-07-25 |
Family
ID=46541341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205422196U Expired - Lifetime CN202352356U (en) | 2011-12-22 | 2011-12-22 | Overturning device for fuel component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409121A (en) * | 2014-12-11 | 2015-03-11 | 中国核动力研究设计院 | Mechanical steel sleeve stripping method in preparation of dispersion fuel plate |
| CN108247277A (en) * | 2018-02-09 | 2018-07-06 | 阿美科福斯特惠勒动力机械有限公司 | A kind of snakelike pipeloop turnover device |
-
2011
- 2011-12-22 CN CN2011205422196U patent/CN202352356U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409121A (en) * | 2014-12-11 | 2015-03-11 | 中国核动力研究设计院 | Mechanical steel sleeve stripping method in preparation of dispersion fuel plate |
| CN104409121B (en) * | 2014-12-11 | 2016-09-28 | 中国核动力研究设计院 | Machinery in the preparation of a kind of dispersion fuel plate takes off steel bushing method |
| CN108247277A (en) * | 2018-02-09 | 2018-07-06 | 阿美科福斯特惠勒动力机械有限公司 | A kind of snakelike pipeloop turnover device |
| CN108247277B (en) * | 2018-02-09 | 2023-10-17 | 住重福惠动力机械有限公司 | Coiled pipe circle turning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |