CN105225712A - The switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integration - Google Patents
The switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integration Download PDFInfo
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- CN105225712A CN105225712A CN201510666617.1A CN201510666617A CN105225712A CN 105225712 A CN105225712 A CN 105225712A CN 201510666617 A CN201510666617 A CN 201510666617A CN 105225712 A CN105225712 A CN 105225712A
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- compensating module
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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 present invention is applied to the debugging of nuclear power station material-loading/unloading machine and routine test, be specifically related to the switching device shifter under water of a kind of nuclear power station material-loading/unloading machine weight component load simulation integration, object solves existing apparatus in the problem of carrying out carrying out under water the switching of weight component load pattern.It is characterized in that, it comprises base plate, bracing frame, basis weight module, underload counterweight compensating module, overload counterweight compensating module, lifting arm, handling module, top board, hanger, overload counterweight compensating module support ring, underload counterweight compensating module support ring, basis weight block supports ring, restructuring part compensating module and riser.Under the present invention can realize " light fuel assembly ", " heavy fuel assembly " two kinds of patterns, load difference compensates, switching can be completed under water, achieve fuel manipulator crane load, overload, underload test unit integrated design, and without the need to modifier structure or increase and decrease annex in process of the test.Employing stainless steel is processed, not easily by boric acid aqueous corrosion.
Description
Technical field
The present invention is applied to the debugging of nuclear power station material-loading/unloading machine and routine test, is specifically related to the switching device shifter under water of a kind of nuclear power station material-loading/unloading machine weight component load simulation integration.
Background technology
The heat that pressurized-water reactor nuclear power plant utilizes the controlled self-sustaining chain fission reaction of nuclear fuel to discharge generates electricity, along with fission reaction continue carry out, the fuel assembly enrichment be loaded in reactor core also reduces gradually, therefore, after certain cycle of operation, need change the fuel assembly of reactor core relevant position.The loading of fuel assembly in reactor and more changing jobs of drawing off mainly utilize fuel handling and storage system (being called for short PMC system), and fuel manipulator crane is the nucleus equipment of PMC system, and the safe reliability of its work is directly related with nuclear safety.
Fuel assembly only has 1mm at reactor core and adjacent component gap, and fuel rod clad thickness is only 0.8mm, and therefore fuel assembly hoists and in decline process, there is larger extension touch risk with adjacent component.Extension touches and can produce load change; trigger the overload of fuel manipulator crane or underload protection system action; the main lifter motion of timely stopping; avoid because assembly is hung that to touch the dynamic fuel assembly that causes of follow-up reforwarding damaged; even fuel rod clad is broken; break through first nuclear safety barrier (during being also refueling outage, unique one barrier).Therefore, in fuel manipulator crane debugging and routine test, LOAD CELLS precision after its load is demarcated, and overload, that underload defencive function validity carries out dynamic authentication is particularly important.
Fuel assembly joins slotting associated component difference because of it, and cause it to vary in weight, therefore the load calibration of fuel manipulator crane, the setting of overload protection, underload protection value is also divided into " light fuel assembly ", " heavy fuel assembly " two kinds of patterns.The switching carrying out two kinds of patterns is needed equally to its load test device.
At present, nuclear power station uses the test unit of real load to test wherein a kind of pattern under water, cannot realize the switching under water of two kinds of patterns.
Summary of the invention
The object of the invention is to solve existing apparatus in the problem of carrying out carrying out under water the switching of weight component load pattern, provide the switching device shifter under water of a kind of nuclear power station material-loading/unloading machine weight component load simulation integration.
The present invention is achieved in that
A switching device shifter under water for nuclear power station material-loading/unloading machine weight component load simulation integration, comprises base plate, bracing frame, basis weight module, underload counterweight compensating module, overload counterweight compensating module, lifting arm, handling module, top board, hanger, overload counterweight compensating module support ring, underload counterweight compensating module support ring, basis weight block supports ring, restructuring part compensating module and riser;
Base plate is circular plate-like shape structure; Bracing frame is platy structure, have 3 pieces in 120 ° uniform, lower end and base plate are welded to connect, and are stairstepping inside bracing frame, for each support ring provides installation site; Top board is annular plate-like structure, is connected with bracing frame top bolt; Overload counterweight compensating module support ring, underload counterweight compensating module support ring, basis weight block supports ring are loop configuration, and inside and outside footpath reduces successively, is positioned on the step inside bracing frame, with bolts with bracing frame; Basis weight module is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm external diameter, is positioned on basis weight block supports ring, and its external diameter is slightly less than underload counterweight compensating module support ring internal diameter; Underload counterweight compensating module is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm external diameter, is positioned on underload counterweight compensating module support ring, and its external diameter is slightly less than overload counterweight compensating module support ring internal diameter; Overload counterweight compensating module is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm external diameter, is positioned on overload counterweight compensating module support ring; Restructuring part compensating module is cake, and be positioned on base plate, its external diameter is slightly less than basis weight block supports ring internal diameter, center hollow, and is processed with 3 120 ° uniform mounting boss; Lifting arm is round bar, and lower end and riser are welded to connect, and upper end is threaded with handling module; Riser is platy structure, is processed with 3 120 ° uniform grooves above, with the mounting boss shape complementarity at restructuring part compensating module center; Handling module is square, and structure is identical with base on nuclear fuel assembly, for being connected with fuel manipulator crane gripping apparatus; Hanger has 3, is platy structure, and central aperture, is welded on bracing frame outer upper respectively, lifts for device.
Handling module as above, lifting arm, riser, basis weight modular load are added, and are light fuel assembly underload load under water.
Handling module as above, lifting arm, riser, basis weight module, underload counterweight compensating module load are added, and are light fuel assembly real load under water.
Handling module as above, lifting arm, riser, basis weight module, underload counterweight compensating module, overload counterweight compensating module load are added, for light fuel assembly overloads load under water.
The load of restructuring part compensating module as above equals the Underwater loading difference of heavy fuel assembly and light fuel assembly.
Base plate as above, bracing frame, basis weight module, underload counterweight compensating module, overload counterweight compensating module, lifting arm, handling module, top board, hanger, overload counterweight compensating module support ring, underload counterweight compensating module support ring, basis weight block supports ring, restructuring part compensating module and riser all adopt stainless steel material to make.
The invention has the beneficial effects as follows:
The present invention includes base plate, bracing frame, basis weight module, underload counterweight compensating module, overload counterweight compensating module, lifting arm, handling module, top board, hanger, overload counterweight compensating module support ring, underload counterweight compensating module support ring, basis weight block supports ring, restructuring part compensating module and riser.Under the present invention can realize " light fuel assembly ", " heavy fuel assembly " two kinds of patterns, load difference compensates, switching can be completed under water, achieve fuel manipulator crane load, overload, underload test unit integrated design, and without the need to modifier structure or increase and decrease annex in process of the test.This device adopts stainless steel processing, and not easily by boric acid aqueous corrosion, intensity is higher.
The present invention has been applied to the field adjustable of Fan family mountain 1#, 2# unit fuel manipulator crane, and the overload before first fuel loading, underload test, respond well.Fan family mountain 1# and 49 hours 2# unit first fuel loading time and 43 hours, successively refresh the shortest used time of domestic nuclear power generating sets first fuel loading, two unit fuel manipulator cranes are in first fuel loading process, main be lifted at " light fuel assembly " and " heavy fuel assembly " two kinds of patterns under load display precisely, overload, underload function are normal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load of the present invention simulation integration;
Fig. 2 is " light component pattern " operating diagram of the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load of the present invention simulation integration;
Fig. 3 is " heavy component pattern " operating diagram of the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load of the present invention simulation integration.
Wherein: 1. base plate, 2. bracing frame, 3. basis weight module, 4. underload counterweight compensating module, 5. overload counterweight compensating module, 6. lifting arm, 7. handling module, 8. top board, 9. hanger, 10. overload counterweight compensating module support ring, 11. underload counterweight compensating module support rings, 12. basis weight block supports rings, 13. restructuring part compensating modules, 14. risers.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
As depicted in figs. 1 and 2, a switching device shifter under water for nuclear power station material-loading/unloading machine weight component load simulation integration, comprises base plate 1, bracing frame 2, basis weight module 3, underload counterweight compensating module 4, overload counterweight compensating module 5, lifting arm 6, handling module 7, top board 8, hanger 9, overload counterweight compensating module support ring 10, underload counterweight compensating module support ring 11, basis weight block supports ring 12, restructuring part compensating module 13 and riser 14.
Base plate 1 is circular plate-like shape structure; Bracing frame 2 is platy structure, have 3 pieces in 120 ° uniform, lower end and base plate 1 are welded to connect, and are stairstepping inside bracing frame 2, can be each support ring and provide installation site; Top board 8 is annular plate-like structure, is connected with bracing frame 2 top bolt; Overload counterweight compensating module support ring 10, underload counterweight compensating module support ring 11, basis weight block supports ring 12 are loop configuration, and inside and outside footpath reduces successively, is positioned on the step inside bracing frame 2, with bolts with bracing frame 2; Basis weight module 3 is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm 6 external diameter, is positioned on basis weight block supports ring 12, and its external diameter is slightly less than underload counterweight compensating module support ring 11 internal diameter; Underload counterweight compensating module 4 is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm 6 external diameter, is positioned on underload counterweight compensating module support ring 11, and its external diameter is slightly less than overload counterweight compensating module support ring 10 internal diameter; Overload counterweight compensating module 5 is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm 6 external diameter, is positioned on overload counterweight compensating module support ring 10; Restructuring part compensating module 13 is cake, and be positioned on base plate 1, its external diameter is slightly less than basis weight block supports ring 12 internal diameter, center hollow, and is processed with 3 120 ° uniform mounting boss, sees Fig. 2; Lifting arm 6 is round bar, and lower end and riser 14 are welded to connect, and upper end is threaded with handling module 7; Riser 14 is platy structure, be processed with 3 120 ° uniform grooves above, with the mounting boss shape complementarity at restructuring part compensating module 13 center, when riser 14 is in Fig. 2 position, pass through the gap that can be formed from 3 boss, when riser 14 rotate 180 ° be in Fig. 3 position time, just in time collide with 3 boss in lifting process, complete and the mounting by part compensating module 13 of recombinating; Handling module 7 is square, and structure is identical with base on nuclear fuel assembly, for being connected with fuel manipulator crane gripping apparatus; Hanger 9 has 3, is platy structure, and central aperture is welded on bracing frame 2 outer upper respectively, lifts for device.
Wherein, handling module 7, lifting arm 6, riser 14, basis weight module 3 load are added, and are light fuel assembly underload load under water;
Handling module 7, lifting arm 6, riser 14, basis weight module 3, underload counterweight compensating module 4 load are added, and are light fuel assembly real load under water;
Handling module 7, lifting arm 6, riser 14, basis weight module 3, underload counterweight compensating module 4, overload counterweight compensating module 5 load are added, for light fuel assembly overloads load under water;
The load of restructuring part compensating module 13 equals the Underwater loading difference of heavy fuel assembly and light fuel assembly.
In the present embodiment, base plate 1, bracing frame 2, basis weight module 3, underload counterweight compensating module 4, overload counterweight compensating module 5, lifting arm 6, handling module 7, top board 8, hanger 9, overload counterweight compensating module support ring 10, underload counterweight compensating module support ring 11, basis weight block supports ring 12, restructuring part compensating module 13 and riser 14 all adopt stainless steel material to make.
Specific works process of the present invention is as follows:
1. fuel manipulator crane load, overload, underload test unit are correctly in place, switching device shifter installation, and riser 14 is in " light component pattern " position, is arranged to by fuel manipulator crane " light component operation pattern ".
2. fuel manipulator crane is accurately located this device and the gripping apparatus that declines is connected with handling module 7.
3. promote fuel manipulator crane gripping apparatus, handling module 7 drives riser 14 to rise by lifting arm 6, and riser 14 passes through between the gap that 3 mounting boss of restructuring part compensating module 13 are formed.
4. continue the gripping apparatus that hoists, riser 14 drives basis weight module 3 to rise.Now fuel manipulator crane is in state under load, but in lifting process, can not trigger underload warning.
5. continue the gripping apparatus that hoists, basis weight module 3 through underload counterweight compensating module support ring 11, and takes up underload counterweight compensating module 4.The load be now attached on gripping apparatus equals light fuel assembly Underwater loading, can carry out fuel manipulator crane LOAD CELLS " light component pattern " load calibration.
6. continue the gripping apparatus that hoists, basis weight module 3, underload counterweight compensating module 4 successively through overload counterweight compensating module support ring 10, and take up overload counterweight compensating module 5.Now fuel manipulator crane is in overload condition, triggers overload warning, and enhancing action stops, and " light component pattern " overload test completes.
7. decline gripping apparatus, overload counterweight compensating module 5 reapposes in overload counterweight compensating module support ring 10, and the load be now attached on gripping apparatus equals light fuel assembly Underwater loading.
8. continue decline gripping apparatus, after underload counterweight compensating module 4 contacts with underload counterweight compensating module support ring 11, hoisting device is in state under load, triggers underload warning, and down maneuver stops, and " light component pattern " underload test completes.
9. return to step 2 state.
10. fuel manipulator crane fixed muffle is rotated 180 °, fuel manipulator crane gripping apparatus drives riser 14 to rotate 180 ° by handling module 7, lifting arm 6, is in " heavy component pattern " position.Fuel manipulator crane is arranged to " restructuring part mode of operation "
11. promote fuel manipulator crane gripping apparatus, and handling module 7 drives riser 14 to rise by lifting arm 6, just in time collide with 3 mounting boss of restructuring part compensating module 13, complete and the mounting by part compensating module 13 of recombinating.
12. continue the gripping apparatus that hoists, and restructuring part compensating module 13 passes basis weight block supports ring 12 and takes up basis weight module 3.Now fuel manipulator crane is in state under load, but in lifting process, can not trigger underload warning.
13. continue the gripping apparatus that hoists, and restructuring part compensating module 13, basis weight module 3 successively through underload counterweight compensating module support ring 11, and take up underload counterweight compensating module 4.The load be now attached on gripping apparatus equals heavy fuel assembly Underwater loading, can carry out fuel manipulator crane LOAD CELLS " heavy component pattern " load calibration.
14. continue the gripping apparatus that hoists, restructuring part compensating module 13, basis weight module 3, underload counterweight compensating module 4, successively through overload counterweight compensating module support ring 10, and take up overload counterweight compensating module 5.Now fuel manipulator crane is in overload condition, triggers overload warning, and enhancing action stops, and " heavy component pattern " overload test completes.
15. decline gripping apparatus, overload counterweight compensating module 5 reapposes in overload counterweight compensating module support ring 10, and the load be now attached on gripping apparatus equals heavy fuel assembly Underwater loading.
16. continue decline gripping apparatus, and after underload counterweight compensating module 4 contacts with underload counterweight compensating module support ring 11, hoisting device is in state under load, triggers underload warning, and down maneuver stops, and " heavy component pattern " underload test completes.
Device is returned to original state by 17., and fuel manipulator crane gripping apparatus and handling module 7 is thrown off, and completes total Test.
Claims (6)
1. one kind
the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integration, it is characterized in that: it comprises base plate (1), bracing frame (2), basis weight module (3), underload counterweight compensating module (4), overload counterweight compensating module (5), lifting arm (6), handling module (7), top board (8), hanger (9), overload counterweight compensating module support ring (10), underload counterweight compensating module support ring (11), basis weight block supports ring (12), restructuring part compensating module (13) and riser (14);
Base plate (1) is circular plate-like shape structure; Bracing frame (2) is platy structure, have 3 pieces uniform in 120 °, lower end and base plate (1) are welded to connect, and are stairstepping inside bracing frame (2), for each support ring provides installation site; Top board (8) is annular plate-like structure, is connected with bracing frame (2) top bolt; Overload counterweight compensating module support ring (10), underload counterweight compensating module support ring (11), basis weight block supports ring (12) are loop configuration, and inside and outside footpath reduces successively, be positioned on the step of bracing frame (2) inner side, with bolts with bracing frame (2); Basis weight module (3) is some pieces of cakes, and center making circular hole, Circularhole diameter is slightly larger than lifting arm (6) external diameter, be positioned on basis weight block supports ring (12), its external diameter is slightly less than underload counterweight compensating module support ring (11) internal diameter; Underload counterweight compensating module (4) is some pieces of cakes, and center making circular hole, Circularhole diameter is slightly larger than lifting arm (6) external diameter, be positioned on underload counterweight compensating module support ring (11), its external diameter is slightly less than overload counterweight compensating module support ring (10) internal diameter; Overload counterweight compensating module (5) is some pieces of cakes, and center making circular hole, Circularhole diameter, slightly larger than lifting arm (6) external diameter, is positioned in overload counterweight compensating module support ring (10); Restructuring part compensating module (13) is cake, and be positioned on base plate (1), its external diameter is slightly less than basis weight block supports ring (12) internal diameter, center hollow, and is processed with 3 120 ° uniform mounting boss; Lifting arm (6) is round bar, and lower end and riser (14) are welded to connect, and upper end is threaded with handling module (7); Riser (14) is platy structure, is processed with 3 120 ° uniform grooves above, with the mounting boss shape complementarity at restructuring part compensating module (13) center; Handling module (7) is for square, and structure is identical with base on nuclear fuel assembly, for being connected with fuel manipulator crane gripping apparatus; Hanger (9) has 3, is platy structure, and central aperture is welded on bracing frame (2) outer upper respectively, lifts for device.
2.
according to claimdescribed in 1
the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integration, it is characterized in that: described handling module (7), lifting arm (6), riser (14), basis weight module (3) load are added, and are light fuel assembly underload load under water.
3.
according to claimdescribed in 1
the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integrationit is characterized in that: described handling module (7), lifting arm (6), riser (14), basis weight module (3), underload counterweight compensating module (4) load are added, and are light fuel assembly real load under water.
4.
according to claimdescribed in 1
the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integrationit is characterized in that: described handling module (7), lifting arm (6), riser (14), basis weight module (3), underload counterweight compensating module (4), overload counterweight compensating module (5) load are added, for light fuel assembly overloads load under water.
5.
according to claimdescribed in 1
the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integration, it is characterized in that: the load of described restructuring part compensating module (13) equals the Underwater loading difference of heavy fuel assembly and light fuel assembly.
6.
according to claimdescribed in 1
the switching device shifter under water of nuclear power station material-loading/unloading machine weight component load simulation integration, it is characterized in that: described base plate (1), bracing frame (2), basis weight module (3), underload counterweight compensating module (4), overload counterweight compensating module (5), lifting arm (6), handling module (7), top board (8), hanger (9), overload counterweight compensating module support ring (10), underload counterweight compensating module support ring (11), basis weight block supports ring (12), restructuring part compensating module (13) and riser (14) all adopt stainless steel material to make.
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| CN201510666617.1A CN105225712B (en) | 2015-10-15 | 2015-10-15 | The switching device under water of nuclear power station material-loading/unloading machine weight component load simulation integration |
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| CN201510666617.1A CN105225712B (en) | 2015-10-15 | 2015-10-15 | The switching device under water of nuclear power station material-loading/unloading machine weight component load simulation integration |
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| CN106935296A (en) * | 2017-03-30 | 2017-07-07 | 上海核工程研究设计院 | A kind of PWR nuclear power plant fuel assembly crawl test instrument being horizontally mounted |
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| CN105225712B (en) | 2017-09-26 |
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