CN103925412B - The cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged - Google Patents
The cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged Download PDFInfo
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- CN103925412B CN103925412B CN201310011923.2A CN201310011923A CN103925412B CN 103925412 B CN103925412 B CN 103925412B CN 201310011923 A CN201310011923 A CN 201310011923A CN 103925412 B CN103925412 B CN 103925412B
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- cable
- testing bridge
- cable testing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention provides the cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged, comprise supporting post (5), flexible cable arrangement apparatus (6), cable connection plate (8), cable testing bridge (9), guide rail structure (10), crane span structure move limit stoper (11), rack-and-pinion (12), cable testing bridge fitting seat (17), backing plate (21), cushion block (22), auxiliary connection (23), connecting pin (26), limit stoper (27) and backing plate slewing gear (29); The present invention reduces the weight of integration heap top component, alleviate the risk promoting integration heap top component structure, decrease the distance of integration heap top component deviation of gravity center geometrical center simultaneously; Also ensure the conversion of cable testing bridge at run duration and the actuating cable crane span structure diverse location that reloads.
Description
Technical field
The invention belongs to nuclear power plant's nuclear reactor designs technical field, be specifically related to the cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged.
Background technique
Nuclear reactor is the containment being positioned at nuclear power plant, is one of key equipment of nuclear steam supply system, is made up of multiple subsets such as pressurized container, in-pile component, driving mechanism, integrations heap top component (IHP).Wherein integration heap top component be reactor the next item up by several equipment of heap top different function requirements or component integration integral with the substantial equipment operated of reloading simplifying reactor.The Main Function of integration heap top component is during reactor cold-refueling, by doing integrated operation with top cover of reactor pressure vessel, realize the Integral lifting of heap top component, shift and deposit, wherein be enormously simplify the take-down time of cable by the centralized arrangement of cable, improve the availability of nuclear power plant.
The various core levels such as driving mechanism cable, heap top neutron fluence rate measuring system cable, driving mechanism rod position indicator cable and non-core level cable arrive the master-control room entrance on band steel web through integration heap top component and are connected with master-control room.Current up-to-date cable arrangements mode adopts cable centralized arrangement mode to shorten dismounting and time of installing cables mostly, the function of cable testing bridge then for carrying cable to cross over reactor cavity.
If be arranged on by cable testing bridge on integration heap top component, during reactor operation, cable testing bridge can directly be shelved on the operation planar of pond.Because in the process of reloading, integration heap top component (comprising cable testing bridge) needs and top cover of reactor pressure vessel Integral lifting.Cable testing bridge promotes the lifting weight that can increase suspender together with integrated top component of piling; Again because the center of gravity of cable testing bridge departs from the geometrical center of integration heap top component far away, when this will inevitably cause lifting tilting moment increase and increase the risk of lifting.And, simultaneously because the existence of cable testing bridge causes being unfavorable for reducing the size of containment with the arrangement space occupying miscellaneous equipment in lifting process.
In patent " cable bracket for the combined type head seal device of nuclear power station " (patent No. 95192122.3), arrange that the cable bracket of cable is made up of driving device, moving cable bracket, pivoting device and guiding device etc.Reload period, cable bracket is retracted in cavity by retracting device, and the cable bracket that this patent describes needs reserved larger space below the operation planar of pond.The pool wall of operation planar devises a platform for mounting and dismounting the cable on cable bracket.Because radiation dose is higher in heap chamber, which increases the risk of installation and attendant's raying.
Summary of the invention
The object of the invention is the defect in order to overcome prior art, providing a kind of installation and maintenance of cable to operate the cable testing bridge structure of all carrying out, can reduce personnel's raying risk on the operating platform of integration heap top component.
To achieve these goals, technological scheme of the present invention is, the cable testing bridge structure that nuclear power plant stack top cable is arranged, comprises supporting post, flexible cable arrangement apparatus, cable connection plate, cable testing bridge, guide rail structure, crane span structure moves limit stoper, rack-and-pinion, cable testing bridge fitting seat, backing plate, cushion block, auxiliary connection, connecting pin, limit stoper and backing plate slewing gear; Wherein, cable connection plate and cable testing bridge are rectangular, and its cable interface is mutually corresponding; Operating platform and cable connection plate while install fixing, form swing structure; Supporting post and limit stoper is also respectively arranged with before and after operating platform and cable connection plate mounting part; Spacing by supporting post and limit stoper, cable connection plate realizes being the swing of 20 ° ~ 90 ° with operating platform angle; Steel web on the operation planar of pond has chute, and chute is provided with guide rail structure, and guide rail structure establishes rack-and-pinion; By the driving of rack-and-pinion, guide rail structure can move along chute direction; Guide rail structure top left level is fixedly installed cable testing bridge fitting seat, and cable testing bridge at right angle setting is fixed on cable testing bridge fitting seat; Flexible cable arrangement apparatus is arranged with at cable connection plate, cable testing bridge, to realize the physical segregation between different level of security cable, simultaneously can also in cable moving or rotation process relevant cables parameter, as parameters such as Cable Bending Radius, meet related specifications requirement; The upper left corner of pond operation planar is provided with embedded part, and embedded part is fixed with backing plate slewing gear and cushion block from top to bottom successively, and one end of backing plate slewing gear and backing plate is fixed, and cushion block carries out spacing to backing plate along the swing of backing plate slewing gear in the horizontal direction; The arranged outside of limit stoper has crane span structure to move limit stoper on the operational platform, and its effect carries out spacing to the horizontal slip of guide rail structure, thus limits moving horizontally of cable testing bridge; Crane span structure moves auxiliary connection mounting hole limit stoper and guide rail structure being equipped with connection a pair cooperation, installs auxiliary connection in nuclear power plant's run duration auxiliary connection mounting hole.
Described cable connection plate while be connected and fixed on the operational platform by connecting pin.
Described flexible cable arrangement apparatus is stainless steel cable-pulling chain.
Described backing plate slewing gear is hinge or pin connected construction.
The most outer of left end of described guide rail structure is wedge-shaped structure, to ensure that rail structure 10 can reach on operating platform smoothly.
The high order end of described guide rail structure arranges limit sensors limit sensors, controls the positioning control that motor runs cable testing bridge two limit positions to realize cable testing bridge operation and period of reloading.
Described auxiliary connection is pin shaft structure or bolt arrangement.
Beneficial effect of the present invention is as follows: cable testing bridge removes and is placed on the operation planar of pond by (1) from integration heap top component, decreases the weight of integration heap top component, alleviates the risk promoting integration heap top component structure; (2) cable testing bridge is fixed on guide rail structure, and guide rail structure is connected on the steel web of operating platform face by sliding groove structure, and guide rail structure is connected with motor by gear rack auxiliary driving.Ensure the conversion of cable testing bridge at run duration and the actuating cable crane span structure diverse location that reloads; (3) rotational structure is adopted.Reduce the center of gravity of integration heap top component during integration heap top component Integral lifting, decrease the distance of integration heap top component deviation of gravity center geometrical center simultaneously.Decrease the risk promoting integration heap top component structure; (4) flexible cable drag chain technology is adopted.Achieve on the one hand the physical segregation between different level of security cable, simultaneously can also meeting the demands as parameters such as Cable Bending Radius in cable moving process.
Accompanying drawing explanation
Fig. 1 is that nuclear power plant's run duration stack top cable arranges plan view.
Fig. 2 is the period cable layout that reloads for nuclear power plant.
Fig. 3 is that nuclear power plant's run duration stack top cable arranges plan view.
Fig. 4 is the partial schematic diagram that nuclear power plant's run duration cable testing bridge is connected with cable connection plate.
Fig. 5 is the A direction view of Fig. 4.
In figure, 1-top cover of reactor pressure vessel, 2-integration heap top component encloses cylinder, 3-cable tray, 4-operating platform, 5-supporting post, 6-flexible cable arrangement apparatus, 7-cable, 8-cable connection plate, 9-cable testing bridge, 10-guide rail structure, 11-crane span structure moves limit stoper, 12-rack-and-pinion, 13-steel web, 14-pond operation planar, 15-personnel inclined ladder, 16-master-control room entrance, 17-cable testing bridge fitting seat, 19-cable openings, 21-backing plate, 22-cushion block, 23-auxiliary connection, 24-reactor cavity, 25-cable input device, 26-connecting pin, 27-limit stoper, 28-cable-pulling chain mountion plate, 29-backing plate slewing gear.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
The cable testing bridge structure that nuclear power plant stack top cable is arranged, comprises supporting post 5, flexible cable arrangement apparatus 6, cable connection plate 8, cable testing bridge 9, guide rail structure 10, crane span structure moves limit stoper 11, rack-and-pinion 12, cable testing bridge fitting seat 17, backing plate 21, cushion block 22, auxiliary connection 23, connecting pin 26, limit stoper 27 and backing plate slewing gear 29; Wherein, cable connection plate 8 and cable testing bridge 9 are rectangular, and its cable interface is mutually corresponding; On operating platform 4 with cable connection plate 8 while is installed fixing by connecting pin 26, formation swing structure; Supporting post 5 and limit stoper 27 is also respectively arranged with before and after operating platform 4 and cable connection plate 8 mounting part; Spacing by supporting post 5 and limit stoper 27, cable connection plate 8 realizes being the swing of 20 ° ~ 90 ° with operating platform 4 angle; Steel web 13 on pond operation planar 14 has chute, and chute is provided with guide rail structure 10, and the most outer of guide rail structure 10 left end is wedge-shaped structure, to ensure that rail structure 10 can reach on operating platform 4 smoothly; The high order end of rail structure 10 arranges limit sensors limit sensors, controls motor and runs and run and the positioning control of cable testing bridge 9 two limit positions of period of reloading to realize cable testing bridge 9; Guide rail structure 10 is established rack-and-pinion 12, by the driving of rack-and-pinion 12, guide rail structure 10 can move along chute direction; Guide rail structure 10 top left level is fixedly installed cable testing bridge fitting seat 17, and cable testing bridge 9 at right angle setting is fixed on cable testing bridge fitting seat 17; Flexible cable arrangement apparatus 6 is arranged with at cable connection plate 8, cable testing bridge 9, flexible cable arrangement apparatus 6 is stainless steel cable-pulling chain, to realize the physical segregation between different level of security cable 7, can also move or relevant cables parameter in rotation process at cable 7 simultaneously, as parameters such as Cable Bending Radius, meet related specifications requirement; The upper left corner of pond operation planar 14 is provided with embedded part, embedded part is fixed with backing plate slewing gear 29 and cushion block 22 from top to bottom successively, backing plate slewing gear 29 is hinge or pin connected construction, and fix with one end of backing plate 21, cushion block 22 carries out spacing to backing plate 21 along the swing of backing plate slewing gear 29 in the horizontal direction; Have crane span structure to move limit stoper 11 in the arranged outside of operating platform 4 position limit device 27, its effect carries out spacing to the horizontal slip of guide rail structure 10, thus limit moving horizontally of cable testing bridge 9; Crane span structure moves auxiliary connection mounting hole limit stoper 11 and guide rail structure 10 being equipped with connection a pair cooperation, and install auxiliary connection 23 in nuclear power plant's run duration auxiliary connection mounting hole, auxiliary connection 23 is pin shaft structure or bolt arrangement.
Top cover of reactor pressure vessel 1 is integration heap top component encloses cylinder 2, integration heap top component encloses on cylinder 2 and is mounted with operating platform 4 and cable tray; Cable 7 comprises driving mechanism cable, reactor core neutron fluence rate measuring system cable, excellent position indicator cable, the cable 7 passed from cable tray 3 is under the support or traction of flexible cable arrangement apparatus 6, cable openings 19 through operating platform reaches cable connection plate 8, guides cable testing bridge 9 into by cable connection plate 8, cable testing bridge 9 cable interfaces; After cable 7 is drawn from cable testing bridge 9, then under the support or traction of flexible cable arrangement apparatus 6, arrive the cable input device 25 of MCR Master Control Room through master-control room entrance 16.
Structure composition and the run duration of cable testing bridge and cable connection plate and the arrangement of period cable on cable testing bridge and cable connection plate that reload are described in Fig. 1, Fig. 2.Fig. 3 is run duration cable arrangements plan view, and the physical segregation adopted between flexible cable arrangement and cable is described.Fig. 4, Fig. 5 are run duration cable testing bridge and cable connection plate connection diagram, and the Placement of cable testing bridge and cable connection plate is described.
Reload period, operator arrive integration heap top component operating platform 4 by personnel's inclined ladder 15, the cable 7 of upper installation and removal cable connection plate 8 and cable testing bridge 9; After disconnection cable testing bridge 9 is connected with the cable 7 of cable connection plate 8, drive guide rail structure 10 that cable testing bridge 9 is moved back into pond operation planar 14 position,, by electronic or hydraulic way, cable connection plate 8 is turned to close to horizontal position meanwhile, and passes through the position of supporting post 5 attached cable connecting plate; Finally, top cover of reactor pressure vessel 1, integration heap top component enclose cylinder 2, operating platform 4, cable tray 3, cable connection plate 8 etc. and are promoted by suspender in the lump and hang out reactor cavity 24.
Above embodiments of the invention are explained in detail, above-mentioned mode of execution is only optimum embodiment of the present invention, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (7)
1. nuclear power plant's stack top cable cable testing bridge structure of arranging, is characterized in that comprising supporting post (5), flexible cable arrangement apparatus (6), cable connection plate (8), cable testing bridge (9), guide rail structure (10), crane span structure moves limit stoper (11), rack-and-pinion (12), cable testing bridge fitting seat (17), backing plate (21), cushion block (22), auxiliary connection (23), connecting pin (26), limit stoper (27) and backing plate slewing gear (29); Wherein, cable connection plate (8) and cable testing bridge (9) are rectangular, and its cable interface is mutually corresponding; Operating platform (4) and cable connection plate (8) while installs fixing, formation swing structure; Supporting post (5) and limit stoper (27) is also respectively arranged with before and after operating platform (4) and cable connection plate (8) mounting part; Spacing by supporting post (5) and limit stoper (27), cable connection plate (8) realizes being the swing of 20 ° ~ 90 ° with operating platform (4) angle; Steel web (13) on pond operation planar (14) has chute, and chute is provided with guide rail structure (10), guide rail structure (10) is established rack-and-pinion (12); Guide rail structure (10) top left level is fixedly installed cable testing bridge fitting seat (17), and cable testing bridge (9) at right angle setting is fixed on cable testing bridge fitting seat (17); Flexible cable arrangement apparatus (6) is arranged with at cable connection plate (8), cable testing bridge (9); The upper left corner of pond operation planar (14) is provided with embedded part, embedded part is fixed with from top to bottom successively backing plate slewing gear (29) and cushion block (22), one end of backing plate slewing gear (29) and backing plate (21) is fixed, and cushion block (22) carries out spacing to backing plate (21) along the swing of backing plate slewing gear (29) in the horizontal direction; Crane span structure is had to move limit stoper (11) in the arranged outside of operating platform (4) position limit device (27); Crane span structure moves auxiliary connection mounting hole limit stoper (11) and guide rail structure (10) being equipped with connection a pair cooperation, installs auxiliary connection (23) in nuclear power plant's run duration auxiliary connection mounting hole.
2. the cable testing bridge structure of a kind of nuclear power plant as claimed in claim 1 stack top cable layout, is characterized in that being fastened on operating platform (4) by connecting pin (26) of cable connection plate (8).
3. the cable testing bridge structure of a kind of nuclear power plant as claimed in claim 1 stack top cable layout, is characterized in that flexible cable arrangement apparatus (6) is for stainless steel cable-pulling chain.
4. the cable testing bridge structure of a kind of nuclear power plant as claimed in claim 1 stack top cable layout, is characterized in that backing plate slewing gear (29) is for hinge or pin connected construction.
5. a kind of nuclear power plant as claimed in claim 1 stack top cable cable testing bridge structure of arranging, is characterized in that the most outer of the left end of guide rail structure (10) is wedge-shaped structure.
6. the cable testing bridge structure of a kind of nuclear power plant as claimed in claim 5 stack top cable layout, is characterized in that the high order end of guide rail structure (10) arranges limit sensors.
7. the cable testing bridge structure of a kind of nuclear power plant as claimed in claim 1 stack top cable layout, is characterized in that auxiliary connection (23) is for pin shaft structure or bolt arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011923.2A CN103925412B (en) | 2013-01-14 | 2013-01-14 | The cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011923.2A CN103925412B (en) | 2013-01-14 | 2013-01-14 | The cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged |
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| CN103925412A CN103925412A (en) | 2014-07-16 |
| CN103925412B true CN103925412B (en) | 2016-01-27 |
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| CN201310011923.2A Active CN103925412B (en) | 2013-01-14 | 2013-01-14 | The cable testing bridge structure that a kind of nuclear power plant stack top cable is arranged |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932612A (en) * | 2016-05-06 | 2016-09-07 | 上海核工程研究设计院 | Nuclear power plant head package mobile cable bridge apparatus |
| CN106910541A (en) * | 2017-03-30 | 2017-06-30 | 上海核工程研究设计院 | A kind of close-coupled nuclear reaction stows technique of reloading |
| CN107093876B (en) * | 2017-06-15 | 2018-10-16 | 国网山东省电力公司龙口市供电公司 | A kind of supporting adn fixing device for cable testing bridge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5384812A (en) * | 1994-03-16 | 1995-01-24 | Westinghouse Electric Corporation | Integrated head package cable carrier for a nuclear power plant |
| CN201601390U (en) * | 2009-12-09 | 2010-10-06 | 中国水电顾问集团华东勘测设计研究院 | Cable wiring device of side-by-side cabinets in hydroelectric plants |
| CN102254056A (en) * | 2011-04-08 | 2011-11-23 | 中国核电工程有限公司 | Method for designing cable path of nuclear power station |
| CN202501106U (en) * | 2012-01-17 | 2012-10-24 | 浙江师范大学 | Movable cable bridge device |
-
2013
- 2013-01-14 CN CN201310011923.2A patent/CN103925412B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5384812A (en) * | 1994-03-16 | 1995-01-24 | Westinghouse Electric Corporation | Integrated head package cable carrier for a nuclear power plant |
| CN201601390U (en) * | 2009-12-09 | 2010-10-06 | 中国水电顾问集团华东勘测设计研究院 | Cable wiring device of side-by-side cabinets in hydroelectric plants |
| CN102254056A (en) * | 2011-04-08 | 2011-11-23 | 中国核电工程有限公司 | Method for designing cable path of nuclear power station |
| CN202501106U (en) * | 2012-01-17 | 2012-10-24 | 浙江师范大学 | Movable cable bridge device |
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| CN103925412A (en) | 2014-07-16 |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: Shanghai Nuclear Engineering Research & Design Institute |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |