CN120340919B - Heavy water reactor new fuel bar bundle interlocking detection device - Google Patents
Heavy water reactor new fuel bar bundle interlocking detection deviceInfo
- Publication number
- CN120340919B CN120340919B CN202510811460.0A CN202510811460A CN120340919B CN 120340919 B CN120340919 B CN 120340919B CN 202510811460 A CN202510811460 A CN 202510811460A CN 120340919 B CN120340919 B CN 120340919B
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- China
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- lifting
- connecting plate
- interlocking detection
- guide rail
- screws
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/06—Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to the technical field of auxiliary facilities of heavy water reactor nuclear power plants, and particularly relates to a heavy water reactor new fuel bar bundle interlocking detection device. The device comprises a lifting mechanism, a traversing mechanism and an interlocking detection mechanism, wherein the lifting mechanism realizes lifting movement of the interlocking detection mechanism, and the traversing mechanism realizes transverse movement of the interlocking detection mechanism. The lifting mechanism consists of lifting servo electric cylinders, lifting upper connecting plates, lifting linear shafts, couplers and interlocking detection mechanism mounting plates, wherein the upper ends and the lower ends of the 4 lifting linear shafts are respectively connected with the lifting upper connecting plates and the interlocking detection mechanism mounting plates through screws, and the lifting servo electric cylinders are connected with the interlocking detection mechanism mounting plates through the couplers. The invention is suitable for realizing the automatic high-precision detection of the outer diameter of the new fuel rod bundle of the heavy water reactor, and has the functions of adjustable clamping force, self-alignment, force measurement protection and the like so as to meet the interlocking detection requirement of the new fuel rod bundle.
Description
Technical Field
The invention belongs to the technical field of auxiliary facilities of heavy water reactor nuclear power plants, and particularly relates to a heavy water reactor new fuel bar bundle interlocking detection device.
Background
The device is an auxiliary facility of a fuel operation system, and is a set of device which is specially used for automatically detecting whether the new fuel bundles are interlocked or not before being piled in the process of non-shutdown refueling of the heavy water reactor. The interlocking detection mechanism moves to the upper part of the new fuel rod bundle, the interlocking detection mechanism descends and clamps the new fuel rod bundle, whether the new fuel rod bundle is interlocked or not is judged by detecting whether the outer diameter of the new fuel rod bundle exceeds the tolerance, and the interlocking detection of the new fuel rod bundle is completed.
After many years of operation of the heavy water reactor unit, the average gamma dose of the area of the bundle loading area is about 0.06mSv/h due to the fact that the bundle loading area is close to the reactor core. With the extension of the running time of the unit, the radiation dose can also continuously increase, and the total dose received by the current manual interlocking detection on the material changing site before the bar bundle enters the stack is about 0.3mSv. Secondly, when the interlocking detection is performed manually, the closing force of the caliper gauge cannot be accurately controlled, misalignment is easy to occur, and measurement errors are generated.
In view of the above, a new fuel bundle interlocking detection device for a heavy water reactor needs to be designed, and the new fuel bundle interlocking detection device is integrated into newly developed new fuel bundle automatic loading equipment, so that the radiation dosage level of on-site operators can be greatly reduced, the labor intensity is reduced, the new fuel loading efficiency is improved, the falling damage problem of the fuel bundles in the loading process can be avoided, and the safety and reliability of the new fuel in the loading process are improved.
Disclosure of Invention
The invention aims to provide a heavy water reactor new fuel bar bundle interlocking detection device which is suitable for realizing automatic high-precision detection of the outer diameter of a heavy water reactor new fuel bar bundle, has the functions of adjustable clamping force, self-alignment, force measurement protection and the like, and meets the interlocking detection requirement of the new fuel bar bundle.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The device comprises a lifting mechanism, a traversing mechanism and an interlocking detection mechanism, wherein the lifting mechanism realizes lifting movement of the interlocking detection mechanism, and the traversing mechanism realizes transverse movement of the interlocking detection mechanism.
The lifting mechanism consists of lifting servo electric cylinders, lifting upper connecting plates, lifting linear shafts, couplers and interlocking detection mechanism mounting plates, wherein the upper ends and the lower ends of the 4 lifting linear shafts are respectively connected with the lifting upper connecting plates and the interlocking detection mechanism mounting plates through screws, and the lifting servo electric cylinders are connected with the interlocking detection mechanism mounting plates through the couplers.
When the lifting servo electric cylinder is fixed, the piston of the lifting servo electric cylinder stretches and contracts to realize the up-and-down movement of the integral structure consisting of the interlocking detection mechanism mounting plate, the lifting upper connecting plate and the lifting linear shaft, so that the lifting movement of the interlocking detection mechanism is realized.
The transverse moving mechanism consists of a transverse moving linear guide rail, a transverse moving connecting plate, bearing blocks, transverse moving air cylinders and transverse moving air cylinder buffers, wherein the 2 transverse moving air cylinder buffers are fixedly connected to the two ends of the transverse moving air cylinders through screws, the two sides of the transverse moving connecting plate are connected with sliding blocks of the transverse moving air cylinders and the transverse moving linear guide rail through screws, and the 4 bearing blocks are fixedly connected with the transverse moving connecting plate through shaft holes in a matching mode and through screws.
The piston of the transverse moving cylinder moves to drive the transverse moving connecting plate to move transversely, so that the transverse movement of the interlocking detection mechanism is realized.
The lifting servo motor cylinder is fixed with the transverse moving connecting plate through screw connection, and the interlocking detection mechanism is connected with the interlocking detection mechanism mounting plate of the lifting mechanism through screw.
The interlocking detection mechanism has the structure that two sliding blocks of a toothed belt type servo electric cylinder are respectively connected with a left servo sliding block connecting plate and a right servo sliding block connecting plate through screws, the left servo sliding block connecting plate and the right servo sliding block connecting plate are respectively connected with a left opening and closing linear guide rail and a right opening and closing linear guide rail through screws, the left opening and closing linear guide rail and the right opening and closing linear guide rail are respectively connected with the left opening and closing guide rail sliding block connecting plate and the right opening and closing guide rail sliding block connecting plate through screws, a displacement sensor triggering part is connected with the right opening and closing guide rail sliding block connecting plate through screws, a displacement sensor mounting plate is fixedly connected with a left opening and closing guide rail sliding block connecting plate through screws, and a left force sensor mounting plate A and a right force sensor mounting plate A are respectively connected with the right opening and closing guide rail sliding block connecting plate and the left opening and closing guide rail sliding block connecting plate through screws; the right compression spring is matched with the axle hole of the right spring mandrel, the left compression spring is matched with the axle hole of the left spring mandrel and is fixedly installed with a right force sensor and a left force sensor through coaxial screws, a right force sensor guide shaft and a left force sensor guide shaft are respectively connected and fixed with a right opening and closing guide rail slide block connecting plate and a left opening and closing guide rail slide block connecting plate through screws, a left force sensor mounting plate B and a right force sensor mounting plate B are respectively connected with a right opening and closing guide rail slide block connecting plate and a left opening and closing guide rail slide block connecting plate through screws, the left force sensor mounting plate B and the right force sensor mounting plate B are respectively connected with a left micro linear guide rail and a right micro linear guide rail through screws, a right lower connecting plate A, a right upper connecting plate B, a left lower connecting plate A, a left upper connecting plate A and a left upper connecting plate B are respectively installed on the left upper side and the right lower side, the upper side and the lower side of the left micro linear guide rail and the right micro linear guide rail are respectively provided with an upper right compression spring, an upper right spring mandrel, a lower right compression spring, a lower right spring mandrel, a lower left compression spring, a lower left spring mandrel, an upper left compression spring and an upper left spring mandrel through screws.
The displacement sensor is fixedly connected with the displacement sensor mounting plate through a screw through a displacement sensor buckle.
The left opening and closing movement of the left opening and closing guide rail slide block connecting plate and the right opening and closing movement of the right opening and closing guide rail slide block connecting plate are realized through opening and closing movements of the right C-shaped gauge and the left C-shaped gauge, in the clamping process of the belt type servo electric cylinder, whether the right C-shaped gauge, the left C-shaped gauge and the clamping bar bundles are in concentric up-down fine adjustment and floating or not is realized, meanwhile, in the clamping process, whether overload and opening and closing fine adjustment exist on clamping force is realized through the right force sensor, the left force sensor and the spring component, after the left C-shaped gauge and the right C-shaped gauge are closed, the displacement sensor triggers the component to be contacted with the displacement sensor, and therefore detection of the size of a closing gap of the clamping gauge is realized, and whether the outer diameter of the clamping bar bundles is abnormal or not is judged.
The beneficial effects obtained by the invention are as follows:
the automatic operation is realized by adopting a servo electric cylinder and PLC control to realize the full-automatic measurement technical means, and the technical effect of automatic detection and manual replacement is realized.
The method provides higher-precision measurement, adopts the technical means of a contact displacement sensor, realizes the technical effect that the measurement precision is less than or equal to +/-0.01 mm, and meets the measurement requirement of a precision rod bundle.
The clamping force can be adjusted, the range of the clamping force is (4+/-0.05) Kg, and the clamping force has the clamping capacity of at least 10Kg, so that the rod bundle measuring device is suitable for rod bundle measurement with different clamping force requirements.
The automatic alignment function is added, namely, the automatic alignment of the C-shaped caliper gauge is realized by adopting a floating spring and a floating frame guide rail sliding block, so that errors are eliminated, and the measurement accuracy is ensured.
The device has the function of detecting the position and the clamping force in real time, and adopts a protection mechanism of double detection and judgment of the position and the clamping force in the process of detecting the interlocking of the new fuel bundles, thereby preventing the damage of products.
Drawings
FIG. 1 is an isometric view of a heavy water reactor nuclear fuel bundle interlock detection device;
FIG. 2 is an isometric view of a lift mechanism of a heavy water reactor nuclear fuel bundle interlock detection device;
FIG. 3 is an isometric view of a traversing mechanism of a heavy water reactor nuclear fuel bundle interlock detection device;
FIG. 4 is an isometric view of an interlock detection mechanism of a heavy water reactor nuclear fuel bundle interlock detection device;
In the figure: 1. a lifting mechanism; 2. a traversing mechanism; 3. an interlock detection mechanism; 101. lifting a servo electric cylinder; 102. lifting the upper connecting plate; 103. lifting the linear shaft; 104. a coupling; 105. an interlock detection mechanism mounting plate; 201. traversing the linear guide rail; 202. traversing the connecting plate; 203. a bearing seat; 204. a traversing cylinder; 205. a traversing cylinder buffer; 301. toothed belt type servo electric cylinder; 302. a right servo slide block connecting plate; 303. right-opening and-closing linear guide rails; 304. a displacement sensor triggering part; 305. right opening and closing guide rail slide block connecting plate; 306. a right force sensor mounting plate A; 307. a right compression spring; 308. a right spring mandrel; 309. a right load cell; 310. a right load cell guide shaft; 311. a right force sensor mounting plate B; 312. right micro linear guide rail; 313. a right lower connecting plate A; 314. a right lower connecting plate B; 315. a lower right compression spring; 316. a right lower spring mandrel; 317. an upper right connecting plate A; 318. an upper right compression spring; 319. an upper right spring spindle; 320. a right C-type gauge; 321. a left servo slide block connecting plate; 322. a left-opening and closing linear guide rail; 323. a displacement sensor; 324. a displacement sensor mounting plate; 325. a displacement sensor buckle; 326. left-opening and-closing guide rail slide block connecting plate; 327. a left force sensor mounting plate A; 328. a left load cell; 329. a left spring mandrel; 330. a left compression spring; 331. a left load cell guide shaft; 332. a left force sensor mounting plate B; 333. a left lower connecting plate A; 334. a lower left compression spring; 335. a left lower spring mandrel; 336. a left micro linear guide rail; 337. an upper left connecting plate A; 338. an upper left compression spring; 339. an upper left spring mandrel; 340. an upper left connecting plate B; 341. left C gauge.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
As shown in figures 1-4, the heavy water reactor nuclear fuel rod bundle interlocking detection device consists of a lifting mechanism 1, a traversing mechanism 2 and an interlocking detection mechanism 3, wherein 4 lifting straight shafts 103 of the lifting mechanism 1 penetrate through 4 bearing seats 203 of the traversing mechanism 2 to realize plane positioning through shaft holes in a matching mode, a lifting servo electric cylinder 101 is connected with a traversing connecting plate 202 through screws to realize the fixation of the lifting servo electric cylinder 101, and the interlocking detection mechanism 3 is connected with an interlocking detection mechanism mounting plate 105 of the lifting mechanism 1 through screws. In the working process, the lifting servo cylinder 101 of the lifting mechanism 1 moves up and down to realize the lifting motion of the interlocking detection mechanism 3, and the traversing cylinder 204 of the traversing mechanism 2 moves to drive the interlocking detection mechanism 3 to realize the transverse movement.
The lifting mechanism 1 comprises a lifting servo electric cylinder 101, a lifting upper connecting plate 102, lifting linear shafts 103, a coupler 104 and an interlocking detection mechanism mounting plate 105, wherein the upper ends and the lower ends of the 4 lifting linear shafts 103 are respectively connected with the lifting upper connecting plate 102 and the interlocking detection mechanism mounting plate 105 through screws, and the lifting servo electric cylinder 101 is connected with the interlocking detection mechanism mounting plate 105 through the coupler 104. When the lifting servo cylinder 101 is fixed, the piston of the lifting servo cylinder 101 stretches and contracts to realize the up-and-down movement of the integral structure consisting of the interlocking detection mechanism mounting plate 105, the lifting upper connecting plate 102 and the lifting linear shaft 103, so that the lifting movement of the interlocking detection mechanism 3 is realized.
The traversing mechanism 2 is composed of traversing linear guide rail 201, traversing connecting plate 202, bearing block 203, traversing cylinder 204 and traversing cylinder buffer 205. Wherein 2 sideslip cylinder buffers 205 are fixed at two ends of a sideslip cylinder 204 through screw connection, two sides of a sideslip connecting plate 202 are connected with sliding blocks of the sideslip cylinder 204 and a sideslip linear guide rail 201 through screws, and 4 bearing blocks 203 are matched with the sideslip connecting plate 202 through shaft holes and are connected and fixed through screws. The traversing mechanism 2 has the main function of driving the traversing connection plate 202 to move transversely by the piston movement of the traversing cylinder 204, thereby realizing the transverse movement of the interlocking detection mechanism 3.
The interlocking detection mechanism 3 consists of a toothed belt type servo electric cylinder 301, a right servo slide block connecting plate 302, a right opening and closing linear guide rail 303, a displacement sensor triggering part 304, a right opening and closing guide rail slide block connecting plate 305, a right force sensor mounting plate A306, a right compression spring 307, a right spring mandrel 308, a right force sensor 309, a right force sensor guide shaft 310, a right force sensor mounting plate B311, a right inching linear guide rail 312, a right lower connecting plate A313, a right lower connecting plate B314, a right lower compression spring 315, a right lower spring mandrel 316, a right upper connecting plate A317, a right upper compression spring 318, a right upper spring mandrel 319, a right C-shaped gauge 320 the left servo slide block connecting plate 321, the left opening and closing linear guide 322, the displacement sensor 323, the displacement sensor mounting plate 324, the displacement sensor buckle 325, the left opening and closing guide slide block connecting plate 326, the left force sensor mounting plate A327, the left force sensor 328, the left spring mandrel 329, the left compression spring 330, the left force sensor guide shaft 331, the left force sensor mounting plate B332, the left lower connecting plate A333, the left lower compression spring 334, the left lower spring mandrel 335, the left micro linear guide 336, the left upper connecting plate A337, the left upper compression spring 338, the left upper spring mandrel 339, the left upper connecting plate B340 and the left C-type gauge 341.
The two sliders of the toothed belt type servo electric cylinder 301 are respectively connected with a left servo slider connecting plate 321 and a right servo slider connecting plate 302 through screws. The left servo slide block connecting plate 321 and the right servo slide block connecting plate 302 are respectively connected with the left opening and closing linear guide rail 322 and the right opening and closing linear guide rail 303 through screws. The left opening and closing linear guide 322 and the right opening and closing linear guide 303 are respectively connected with the left opening and closing guide slide connecting plate 326 and the right opening and closing guide slide connecting plate 305 by screws. The displacement sensor trigger member 304 is connected to the right opening/closing rail slider connecting plate 305 by a screw, the displacement sensor 323 is screwed to the displacement sensor mounting plate 324 by a displacement sensor clip 325, and the displacement sensor mounting plate 324 is connected to the left opening/closing rail slider connecting plate 326 by a screw. The left force sensor mounting plate a327 and the right force sensor mounting plate a306 are respectively connected with the right opening and closing guide rail slide block connecting plate 305 and the left opening and closing guide rail slide block connecting plate 326 through screws.
The right compression spring 307 is matched with the shaft hole of the right spring mandrel 308, the left compression spring 330 is matched with the shaft hole of the left spring mandrel 329 and is fixedly installed with the right force sensor 309 and the left force sensor 328 through coaxial screws, so that the clamping force detection and elastic buffering when the force is overloaded are realized. The right force transducer guide shaft 310 and the left force transducer guide shaft 331 are respectively connected and fixed with the right opening and closing guide rail slide block connecting plate 305 and the left opening and closing guide rail slide block connecting plate 326 through screws, so that the guide positioning in the process of clamping the rod bundles by the left caliper gauge and the right caliper gauge is realized. The left force sensor mounting plate B332 and the right force sensor mounting plate B311 are respectively connected with the right opening and closing guide rail slider connecting plate 305 and the left opening and closing guide rail slider connecting plate 326 by screws. The left force sensor mounting plate B332 and the right force sensor mounting plate B311 are respectively connected with the left micro linear guide 336 and the right micro linear guide 312 through screws, a right lower connecting plate A313, a right lower connecting plate B314, a right upper connecting plate A317, a left lower connecting plate A333, a left upper connecting plate A337 and a left upper connecting plate B340 are respectively arranged on the left side, the right side and the right side of the left micro linear guide 336 and the right micro linear guide 312 through screws, and an upper right compression spring 318, an upper right spring mandrel 319, a lower right compression spring 315, a lower right spring mandrel 316, a lower left compression spring 334, a lower left spring mandrel 335, an upper left compression spring 338 and an upper left spring mandrel 339 are respectively arranged on the upper side, the lower right side and the lower left side of the right micro linear guide 336 are respectively provided with an upper right compression spring 318, an upper right compression spring mandrel 319, a lower right compression spring mandrel 315 in the clamping process, thereby realizing an upper and lower floating fine tuning function.
The opening and closing movement of the two sliding blocks of the belt type servo electric cylinder 301 realizes the opening and closing movement of the left opening and closing guide rail sliding block connecting plate 326 and the right opening and closing guide rail sliding block connecting plate 305, and drives the opening and closing movement of the right C-type gauge 320 and the left C-type gauge 341. In the clamping process of the belt type servo electric cylinder 301, whether the right C-shaped gauge 320, the left C-shaped gauge 341 and the clamping bar bundles are concentric or not is realized, the up-down fine adjustment and the floating are realized, meanwhile, the right force sensor 309, the left force sensor 328 and the spring component are arranged on two sides in the clamping process, so that the overload or not of the clamping force and the micro-adjustment of opening and closing are realized. After the left C-type gauge 341 and the right C-type gauge 320 are closed, the displacement sensor trigger component 304 is contacted with the displacement sensor 323, so that the detection of the closing gap of the caliper gauge is realized, and whether the outer diameter of the clamping bar bundle is abnormal or not is judged.
Claims (8)
1. The interlocking detection device for the heavy water pile new fuel rod bundles is characterized by comprising a lifting mechanism, a traversing mechanism and an interlocking detection mechanism, wherein the lifting mechanism realizes lifting movement of the interlocking detection mechanism, the traversing mechanism realizes transverse movement of the interlocking detection mechanism, the interlocking detection mechanism has the structure that two sliding blocks of a toothed belt type servo electric cylinder are respectively connected with a left servo sliding block connecting plate and a right servo sliding block connecting plate through screws, the left servo sliding block connecting plate and the right servo sliding block connecting plate are respectively connected with a left opening and closing linear guide rail and a right opening and closing linear guide rail through screws, the left opening and closing linear guide rail and the right opening and closing linear guide rail are respectively connected with the left opening and closing guide rail sliding block connecting plate and the right opening and closing guide rail sliding block connecting plate through screws, a displacement sensor triggering part is connected and fixed with a displacement sensor mounting plate through screws, the displacement sensor mounting plate is connected with the left opening and closing guide rail sliding block connecting plate through screws, the left force sensor mounting plate A and the right force sensor mounting plate are respectively connected with the right opening and closing guide rail sliding block connecting plate through screws, the left compression spring is matched with a left spring mandrel shaft hole of the right spring mandrel, the left compression spring is respectively matched with the left force sensor mandrel shaft hole of the left force sensor, the left force sensor mounting plate is coaxially matched with the left force sensor mandrel, the left force sensor is connected with the left opening and right opening and closing guide rail sliding guide rails through screws respectively, the left force sensor mounting plate B and the right force sensor mounting plate B are respectively connected with the left micro linear guide rail and the right micro linear guide rail through screws, a right lower connecting plate A, a right lower connecting plate B, a right upper connecting plate A, a left lower connecting plate A and a left upper connecting plate B are respectively arranged on the left side, the right upper compression spring, the right upper spring mandrel, the right lower compression spring, the right lower spring mandrel, the left lower compression spring, the left lower spring mandrel, the left upper compression spring and the left upper spring mandrel on the upper side and the lower side of the left micro linear guide rail through screws, so that the up-down floating fine adjustment function in the clamping process of the right C-type gauge and the left C-type gauge is realized.
2. The heavy water reactor new fuel rod bundle interlocking detection device according to claim 1, wherein the lifting mechanism consists of a lifting servo electric cylinder, a lifting upper connecting plate, lifting linear shafts, a coupler and an interlocking detection mechanism mounting plate, and the upper ends and the lower ends of the 4 lifting linear shafts are respectively connected with the lifting upper connecting plate and the interlocking detection mechanism mounting plate through screws, and the lifting servo electric cylinder is connected with the interlocking detection mechanism mounting plate through the coupler.
3. The device for detecting the interlocking of the heavy water reactor new fuel bundles according to claim 2, wherein when the lifting servo electric cylinder is fixed, the piston of the lifting servo electric cylinder stretches and contracts to realize the up-and-down movement of an integral structure consisting of the installation plate of the interlocking detection mechanism, the lifting upper connection plate and the lifting linear shaft, so as to realize the lifting movement of the interlocking detection mechanism.
4. The heavy water reactor new fuel bar bundle interlocking detection device according to claim 2 is characterized in that the transverse moving mechanism comprises a transverse moving linear guide rail, a transverse moving connecting plate, bearing blocks, transverse moving air cylinders and transverse moving air cylinder buffers, wherein the 2 transverse moving air cylinder buffers are fixedly connected to two ends of the transverse moving air cylinders through screws, two sides of the transverse moving connecting plate are connected with sliding blocks of the transverse moving air cylinders and the transverse moving linear guide rail through screws, and the 4 bearing blocks are fixedly connected with the transverse moving connecting plate through shaft holes in a matching mode and through screws.
5. The apparatus of claim 4, wherein the piston of the traverse cylinder moves to drive the traverse connecting plate to move laterally, thereby realizing the lateral movement of the interlock detecting mechanism.
6. The heavy water reactor new fuel rod bundle interlocking detection device is characterized in that 4 lifting linear shafts of a lifting mechanism penetrate through 4 bearing seats of a traversing mechanism to achieve plane positioning through shaft hole matching, a lifting servo electric cylinder is connected with a traversing connecting plate through screws to achieve fixing of the lifting servo electric cylinder, and an interlocking detection mechanism is connected with an interlocking detection mechanism mounting plate of the lifting mechanism through screws.
7. The heavy water reactor new fuel bundle interlocking detection device according to claim 1, wherein the displacement sensor is fixed with the displacement sensor mounting plate through screw connection by a displacement sensor buckle.
8. The interlocking detection device for the heavy water reactor new fuel bundles is characterized in that the opening and closing movement of the left opening and closing guide rail slide block connecting plate and the right opening and closing guide rail slide block connecting plate is realized through the opening and closing movement of the two slide blocks of the belt type servo electric cylinder, the right C-shaped gauge and the left C-shaped gauge are driven to open and close, whether the right C-shaped gauge, the left C-shaped gauge and the clamping bundles are concentric or not is realized in the clamping process of the belt type servo electric cylinder, meanwhile, overload and opening and closing adjustment of clamping force is realized through the right force transducer, the left force transducer and the spring component in the clamping process, the left C-shaped gauge is contacted with the displacement transducer through the displacement transducer triggering component after the right C-shaped gauge is closed, and accordingly the detection of the closing gap size of the clamping gauge is realized, and whether the outer diameter of the clamping bundles is abnormal or not is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510811460.0A CN120340919B (en) | 2025-06-18 | 2025-06-18 | Heavy water reactor new fuel bar bundle interlocking detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510811460.0A CN120340919B (en) | 2025-06-18 | 2025-06-18 | Heavy water reactor new fuel bar bundle interlocking detection device |
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| CN120340919B true CN120340919B (en) | 2025-08-15 |
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| CN218822101U (en) * | 2022-11-17 | 2023-04-07 | 杭州安脉盛智能技术有限公司 | Heavy water bar bundle interlocking detection mechanism |
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| KR101062825B1 (en) * | 2009-06-25 | 2011-09-07 | 한전원자력연료 주식회사 | Inspection device of nuclear fuel assembly |
| KR101101975B1 (en) * | 2010-12-07 | 2012-01-03 | 한국수력원자력 주식회사 | High Performance Fuel Bundles from Heavy Water Plants |
| EP3072369B1 (en) * | 2013-11-21 | 2021-04-28 | Martin A. Stuart | Nuclear reactor and method of controlling a nuclear reaction in a nuclear reactor |
| KR102040128B1 (en) * | 2018-01-29 | 2019-11-05 | 한전원자력연료 주식회사 | A nuclear fuel road end gap adjusting device |
| CN113118669B (en) * | 2019-12-30 | 2023-05-12 | 中核北方核燃料元件有限公司 | Rod bundle carrying clamp for picking up integrated end plate |
| CN111653374B (en) * | 2020-05-25 | 2024-08-09 | 中核核电运行管理有限公司 | Dry-type storage emergency grabbing tool for heavy water reactor spent fuel |
| CZ202278A3 (en) * | 2022-02-18 | 2023-08-30 | Centrum Výzkumu Řež S.R.O. | A method of measuring the pressure inside fuel pins |
| KR102779691B1 (en) * | 2023-07-27 | 2025-03-12 | 한전원자력연료 주식회사 | Nuclear fuel rod inspection module using lvdt and ect, and a manipulator for measuring the characteristics of spent nuclear fuel in a heavy water reactor equipped with the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3180801A (en) * | 1963-09-26 | 1965-04-27 | Royce J Rickert | Heavy water moderated organic cooled nuclear fission reactor |
| CN218822101U (en) * | 2022-11-17 | 2023-04-07 | 杭州安脉盛智能技术有限公司 | Heavy water bar bundle interlocking detection mechanism |
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