CN103559921A - Hooking test device of location grids of reactor fuel assembly - Google Patents
Hooking test device of location grids of reactor fuel assembly Download PDFInfo
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- CN103559921A CN103559921A CN201310488917.6A CN201310488917A CN103559921A CN 103559921 A CN103559921 A CN 103559921A CN 201310488917 A CN201310488917 A CN 201310488917A CN 103559921 A CN103559921 A CN 103559921A
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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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Abstract
The invention discloses a hooking test device of location grids of a reactor fuel assembly. The hooking test device comprises a frame base plate, a frame top plate and a vertical column which is connected between the frame base plate and the frame top plate, wherein a horizontal moving assembly is mounted on the frame base plate; a vertical moving assembly is mounted on the frame top plate. Through using the hooking test device, two grids are mounted on the horizontal moving assembly and the vertical moving assembly respectively; due to the movement of the horizontal moving assembly, a transverse force in the horizontal direction between the grids can be tested; due to the movement of the vertical moving assembly, vertical stress of the grids can be tested, so that an experiment of a hooking state between the grids can be simulated, and the goal of testing the grids can be achieved.
Description
Technical field
The present invention relates to the device of reactor fuel assemblies grid spacer out-of-pile test, specifically a kind of hooking test unit of reactor fuel assemblies grid spacer.
Background technology
Nuclear power plant reactor fuel assembly is to consist of fuel rod, upper tube base part, bottom nozzle parts, end screen work, mixing grillwork parts, guide pipe parts, flux measurement pipe etc., on fuel assembly, there is multilayer grid spacer, grid spacer is welded on guide pipe, by inner spring, fuel rod is fixed, form fuel assembly, the integrality of grid spacer directly affects the safety of fuel assembly.Existing nuclear power plant reactor fuel assembly once occurred in dress heap and the process of reloading that adjacent spacer grid of fuel assembly damaged phenomenon because mutual hooking produces, occur after hooking, spacer grid of fuel assembly damages, this assembly can not directly be used again, not only affect the economy of nuclear power station, and at grid spacer, damage the security but there is no to affect in found situation nuclear power station operation, therefore the anti-hooking performance of spacer grid of fuel assembly is directly connected to assembly dress heap, the operability of reloading and the structural intergrity of fuel assembly, to the epochmaking effect of fuel assembly security tool.
At present, the domestic hooking experimental study of not carrying out spacer grid of fuel assembly, in native land without this type of test unit, France is in carrying out fuel assembly development process, carried out the hooking test of grid spacer, the device that adopts is in Material Testing Machine, to increase some servicing units to carry out, there is no the special hooking test design Special testing device for grid spacer, and the inclination angle that French test unit cannot carry out between horizontal pretightning force measurement, angle setting and measurement and two screen works between two screen works arranges.
Summary of the invention
The object of the present invention is to provide the hooking test unit that is applied to a kind of reactor fuel assemblies grid spacer, solve and do not have at present equipment for the problem of spacer grid of fuel assembly hooking experimental study, to realize two hooking tests between screen work.
Object of the present invention is achieved through the following technical solutions:
A kind of hooking test unit of reactor fuel assemblies grid spacer, comprise framework soleplate, frame top board and be connected to framework soleplate and frame top board between column, on described framework soleplate, be provided with and move horizontally assembly, vertical moving assembly is installed on frame top board.The present invention adopts framework soleplate, frame top board, and column forms experiment porch, usually, framework soleplate is fixing in the plane, platform as experiment, on framework soleplate, be provided with column, column is as the support component of top gravity, also be the guiding mechanism that regulates frame top board upper-lower position simultaneously, according to actual operation, can adjust the distance between frame top board and framework soleplate, by installing and move horizontally assembly on framework soleplate, can simulate the hooking test under the outer band parastate of two screen works, vertical moving assembly is installed on frame top board, during use, two screen works are arranged on respectively and move horizontally assembly, vertically on moving assembly, by moving horizontally the movement of assembly, can test the horizontal direction transverse force between screen work, by the movement of vertical moving assembly, can test the vertical applied force of screen work, thereby simulate the experiment of hooking state between screen work, reach the object to screen work test.
The described assembly that moves horizontally comprises horizontal slip mechanism, and horizontal slip mechanism is connected on spring suppport by spring, between spring and horizontal slip mechanism, transverse force sensor is also installed.Specifically, the main body that moves horizontally assembly is horizontal slip mechanism, one end of horizontal slip mechanism is connected in transverse force sensor, transverse force sensor is connected on spring, spring is connected on spring suppport, spring suppport can be fixedly connected on framework soleplate or column, the position of spring suppport is relatively fixing, do not need mobile, and spring is horizontal, now, can realize the induced effect to horizontal slip mechanism, and then by the force transmission of horizontal direction to screen work, the analogue measurement of realization to horizontal force, wherein horizontal force sensor is as the testing agency of horizontal force, the analysis that can quantize.
Described horizontal slip mechanism comprises three sliding panels, and any two adjacent sliding panels are connected by V-type dovetail groove, and are also provided with needle roller between any two adjacent sliding panels.Further, as preferred horizontal slip mechanism, its main body adopts three sliding panels, three sliding panels are upper-lower position and distribute, between every two sliding panels that contact, by V-type dovetail groove, be connected, two cover V-type dovetail grooves are mutually vertical, so, can realize horizontal and vertical movement planar, simultaneously, between the sliding panel of any two contacts, by needle roller, reduced friction force, its function is to realize screen work to simulate at initial position setting and smooth motion, the assembly lateral stiffness of two horizontal directions, has reduced the impact of friction force on test figure.
Described horizontal slip mechanism is connected on framework soleplate by adjustment for angle of inclination.Further, as a further improvement on the present invention, by horizontal slip mechanism bottom, adjustment for angle of inclination being set, can carry out low-angle adjusting to the levelness of quiet screen work, two screen works are set in the relative tilt angle of hooking acting surface.
Described adjustment for angle of inclination comprises the bearing seat being arranged on horizontal base plate, bearing is installed on bearing seat, bearing top is positioned at bearing plate, bearing plate and horizontal slip mechanism bottom is connected, tilt adjustment plate is installed below bearing plate, tilt adjustment plate is fixed on horizontal base plate by adjuster bar, and horizontal base plate is fixed on framework soleplate.Specifically, horizontal base plate is arranged on framework soleplate, bearing seat is installed on horizontal base plate, bearing is installed on bearing seat, on bearing, be connected with bearing plate, bearing plate can rotate around bearing, bearing plate is as the foundation of load level slide mechanism, in the bottom of bearing plate, tilt adjustment plate is installed, tilt adjustment plate can drive bearing plate to rotate, and tilt adjustment plate is fixed on horizontal base plate by adjuster bar, when adjuster bar rotates, by the cooperation of screw thread, can realize the position of tilt adjustment plate, play the effect of fine setting.
Described vertical moving assembly comprises the actuator being arranged on frame top board, is connected with vertical force sensor under actuator, is connected with power transmission cover on vertical force sensor, below power transmission cover, rotation adjustable plate is installed.Specifically, vertically moving assembly comprises actuator, actuator is fixed on frame top board, its action output terminal is positioned at below, on its action output terminal, be connected with vertical force sensor, power transmission cover is installed in the lower end of vertical force sensor, under power transmission cover, rotation adjustable plate is installed, vertically moving assembly is to provide vertical motion to moving screen work, simulation hoisting process, and each functional module is connected into integral body, and the assembly of loading force closed path is provided, actuator can be selected electronic and two kinds of forms of hydraulic-driven.
During use, quiet screen work is installed to top board by screen work and screen work standing screw is arranged on screen work mounting base, screen work mounting base is connected with horizontal slip mechanism by bolt, realize quiet screen work in set positions and measurement longitudinally, also can realize quiet screen work at horizontal movement and displacement measurement, can set and measure two horizontal forces between screen work, the inclination angle of realizing quiet screen work by adjustment for angle of inclination arranges and measures; Moving screen work by screen work, top board is installed equally and standing screw is arranged on screen work mounting base, screen work mounting base is connected with rotation adjustable plate by bolt, rotation adjustable plate is connected with power transmission cover by screw rod, by vertical force sensor, realize the acting force that moving screen work is vertically being subject to, moving up and down of actuator realizes moving screen work in vertical motion, and moves screen work in vertical displacement by vertical displacement sensor measurement.
The present invention compared with prior art, has following advantage and beneficial effect:
The hooking test unit of a kind of reactor fuel assemblies grid spacer of 1 the present invention, two screen works are arranged on respectively and are moved horizontally on assembly, vertical moving assembly, by moving horizontally the movement of assembly, can test the horizontal direction transverse force between screen work, by the movement of vertical moving assembly, can test the vertical applied force of screen work, thereby simulate the experiment of hooking state between screen work, reach the object to screen work test;
The hooking test unit of a kind of reactor fuel assemblies grid spacer of 2 the present invention, adopt three sliding panels, three sliding panels are upper-lower position and distribute, between every two sliding panels that contact, by V-type dovetail groove, be connected, two cover V-type dovetail grooves are mutually vertical, so, can realize horizontal and vertical movement planar, simultaneously, between the sliding panel of any two contacts, by needle roller, reduced friction force, its function is to realize screen work in initial position setting and the smooth motion of two horizontal directions, the simulation of assembly lateral stiffness, reduced the impact of friction force on test figure,
The hooking test unit of a kind of reactor fuel assemblies grid spacer of 3 the present invention, bearing is installed on bearing seat, on bearing, be connected with bearing plate, bearing plate can rotate around bearing, bearing plate is as the foundation of load level slide mechanism, in the bottom of bearing plate, tilt adjustment plate is installed, tilt adjustment plate can drive bearing plate to rotate, tilt adjustment plate is fixed on horizontal base plate by adjuster bar, when adjuster bar rotates, by the cooperation of screw thread, can realize the position of tilt adjustment plate, play the effect of fine setting;
The hooking test unit of a kind of reactor fuel assemblies grid spacer of 4 the present invention, its action output terminal is positioned at below, on its action output terminal, be connected with vertical force sensor, power transmission cover is installed in the lower end of vertical force sensor, under power transmission cover, rotation adjustable plate is installed, vertically moving assembly is to provide vertical motion to moving screen work, simulation hoisting process, and each functional module is connected into integral body, the assembly of loading force closed path is provided, actuator can be selected electronic and two kinds of forms of hydraulic-driven, and variable-ratio actuator, can realize the test of friction speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one.
Mark and corresponding parts title in accompanying drawing:
1-framework soleplate, 2-column, 3-spring suppport, 4-spring, 5-transverse force sensor, 6-moving screen work, 7-rotation adjustable plate, 8-power transmission cover, 9-vertical force sensor, 10-frame top board, 11-actuator, 121-bearing seat, 122-bearing, 123-bearing plate, 124-tilt adjustment plate, 125-adjuster bar, 126-horizontal base plate, 13— horizontal slip mechanism, 14-screen work mounting base, 15-quiet screen work, 16-screen work standing screw, 17-screen work is installed top board, 18-standing screw.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the hooking test unit of a kind of reactor fuel assemblies grid spacer of the present invention, comprise framework soleplate 1, framework soleplate 1 is fixing in the plane, platform as experiment, on framework soleplate 1, be provided with column 2, column 2 is as the support component of top gravity, also be the guiding mechanism that regulates frame top board 10 upper-lower positions simultaneously, horizontal base plate 126 is installed on framework soleplate 1, bearing seat 121 is installed on horizontal base plate 126, bearing 122 is installed on bearing seat 121, on bearing 122, be connected with bearing plate 123, bearing plate 123 can rotate around bearing 122, bearing plate 123 is as the foundation of load level slide mechanism 13, in the bottom of bearing plate 123, tilt adjustment plate 124 is installed, tilt adjustment plate 124 can drive bearing plate 123 to rotate, tilt adjustment plate 124 is fixed on horizontal base plate 126 by adjuster bar 125, when adjuster bar 125 rotates, by the cooperation of screw thread, can realize the position of tilt adjustment plate 124, bearing plate 123 tops are connected with three sliding panels, between two sliding panels that are in contact with one another, all by V-type dovetail groove, be connected, two overlap the axially mutually vertical of V-type dovetail grooves, can realize horizontal and vertical movement planar, between the sliding panel of any two contacts, by needle roller, reduce friction, on the sliding panel of the top, be bolted screen work mounting base 14 is installed, screen work is installed above screen work mounting base 14 top board 17 is installed, quiet screen work 15 is fixed on screen work mounting base 14 by screen work standing screw 16 and screen work is installed between top board 17, actuator 11 is installed on frame top board 10, actuator 11 can be selected electronic and two kinds of forms of hydraulic-driven, adopt the actuator 11 of variable-ratio, can realize the test of friction speed, actuator 11 is fixed on frame top board 10, its action output terminal is positioned at below, on its action output terminal, be connected with vertical force sensor 9, power transmission cover 8 is installed in the lower end of vertical force sensor 9, power transmission cover is provided with rotation adjustable plate 7 for 8 times, the relative rotation angle that rotation adjustable plate 7 is realized two screen works regulates and measures, the below of rotation adjustable plate 7 has been bolted screen work mounting base 14, screen work is installed below screen work mounting base 14 top board 17 is installed, moving screen work 6 is fixed on screen work mounting base 14 by screen work standing screw 16 and screen work is installed between top board 17, this test unit also has power and the displacement parameter automatic protection functions of limiting.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, the equivalent variations in every foundation technical spirit of the present invention, above embodiment done, within all falling into protection scope of the present invention.
Claims (6)
1. the hooking test unit of a reactor fuel assemblies grid spacer, comprise framework soleplate (1), frame top board (10) and be connected to framework soleplate (1) and frame top board (10) between column (2), it is characterized in that: on described framework soleplate (1), be provided with and move horizontally assembly, on frame top board (10), vertical moving assembly is installed.
2. the hooking test unit of a kind of reactor fuel assemblies grid spacer according to claim 1, it is characterized in that: described in move horizontally assembly and comprise horizontal slip mechanism (13), it is upper that horizontal slip mechanism (13) is connected to spring suppport (3) by spring (4), between spring (4) and horizontal slip mechanism (13), transverse force sensor (5) is also installed.
3. the hooking test unit of a kind of reactor fuel assemblies grid spacer according to claim 2, it is characterized in that: described horizontal slip mechanism (13) comprises three sliding panels, any two adjacent sliding panels are connected by V-type dovetail groove, and are also provided with needle roller between any two adjacent sliding panels.
4. the hooking test unit of a kind of reactor fuel assemblies grid spacer according to claim 2, is characterized in that: described horizontal slip mechanism (13) is connected on framework soleplate (1) by adjustment for angle of inclination.
5. the hooking test unit of a kind of reactor fuel assemblies grid spacer according to claim 4, it is characterized in that: described adjustment for angle of inclination comprises the bearing seat (121) being arranged on horizontal base plate (126), bearing (122) is installed on bearing seat (121), bearing (122) top is positioned at bearing plate (123), bearing plate (123) and horizontal slip mechanism (13) bottom is connected, in bearing plate (123) below, tilt adjustment plate (124) is installed, tilt adjustment plate (124) is fixed on horizontal base plate (126) by adjuster bar (125), horizontal base plate (126) is fixed on framework soleplate (1).
6. the hooking test unit of a kind of reactor fuel assemblies grid spacer according to claim 1, it is characterized in that: described vertical moving assembly comprises the actuator (11) being arranged on frame top board (10), under actuator (11), be connected with vertical force sensor (9), on vertical force sensor (9), be connected with power transmission cover (8), in power transmission cover (8) below, rotation adjustable plate (7) be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488917.6A CN103559921B (en) | 2013-10-18 | 2013-10-18 | A kind of hooking test unit of reactor fuel assemblies grid spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488917.6A CN103559921B (en) | 2013-10-18 | 2013-10-18 | A kind of hooking test unit of reactor fuel assemblies grid spacer |
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| CN103559921A true CN103559921A (en) | 2014-02-05 |
| CN103559921B CN103559921B (en) | 2016-02-10 |
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| CN201310488917.6A Active CN103559921B (en) | 2013-10-18 | 2013-10-18 | A kind of hooking test unit of reactor fuel assemblies grid spacer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179384A (en) * | 2017-05-15 | 2017-09-19 | 中国科学院近代物理研究所 | A kind of various target desorption efficiency test device |
| CN107369482A (en) * | 2017-06-23 | 2017-11-21 | 西安交通大学 | Single fast pile component hot-bend test restraint device and thermal deformation contact measurement method |
| CN108492895A (en) * | 2018-03-09 | 2018-09-04 | 西南交通大学 | A kind of anti-hook mechanical testing equipment of fuel assembly screen work |
| CN110375969A (en) * | 2019-06-27 | 2019-10-25 | 武汉理工大学 | For the anti-device for hooking performance test of grid screen work |
| CN111916240A (en) * | 2020-09-08 | 2020-11-10 | 北京新龙立自动化设备有限公司 | Slide carriage mechanism and rod pulling machine with same |
| CN112820429A (en) * | 2020-11-27 | 2021-05-18 | 中核北方核燃料元件有限公司 | Tool and method for detecting looseness of fuel element grid strap buckle |
| CN113130098A (en) * | 2021-03-30 | 2021-07-16 | 上海核工程研究设计院有限公司 | Nuclear fuel assembly prevents hook performance test device |
| CN115751051A (en) * | 2022-11-16 | 2023-03-07 | 中国核动力研究设计院 | Variable angle direction bearing structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179384A (en) * | 2017-05-15 | 2017-09-19 | 中国科学院近代物理研究所 | A kind of various target desorption efficiency test device |
| CN107179384B (en) * | 2017-05-15 | 2023-04-11 | 中国科学院近代物理研究所 | Various target desorption rate testing arrangement |
| CN107369482A (en) * | 2017-06-23 | 2017-11-21 | 西安交通大学 | Single fast pile component hot-bend test restraint device and thermal deformation contact measurement method |
| CN107369482B (en) * | 2017-06-23 | 2019-04-16 | 西安交通大学 | Single fast pile component hot-bend test restraint device and thermal deformation contact measurement method |
| CN108492895A (en) * | 2018-03-09 | 2018-09-04 | 西南交通大学 | A kind of anti-hook mechanical testing equipment of fuel assembly screen work |
| CN108492895B (en) * | 2018-03-09 | 2024-05-14 | 西南交通大学 | Anti-hooking mechanical test device for fuel assembly grillwork |
| CN110375969A (en) * | 2019-06-27 | 2019-10-25 | 武汉理工大学 | For the anti-device for hooking performance test of grid screen work |
| CN111916240A (en) * | 2020-09-08 | 2020-11-10 | 北京新龙立自动化设备有限公司 | Slide carriage mechanism and rod pulling machine with same |
| CN112820429A (en) * | 2020-11-27 | 2021-05-18 | 中核北方核燃料元件有限公司 | Tool and method for detecting looseness of fuel element grid strap buckle |
| CN113130098A (en) * | 2021-03-30 | 2021-07-16 | 上海核工程研究设计院有限公司 | Nuclear fuel assembly prevents hook performance test device |
| CN115751051A (en) * | 2022-11-16 | 2023-03-07 | 中国核动力研究设计院 | Variable angle direction bearing structure |
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| CN103559921B (en) | 2016-02-10 |
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