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Integrated test device for dynamic buckling of grids under temperature field

A test device and technology of temperature field, applied in the field of grid dynamic buckling integrated test device under temperature field, can solve the problems such as the inability to complete the grid dynamic buckling test, and achieve the effects of stable impact process, easy application, and convenient device operation

Active Publication Date: 2017-01-18
GENERAL ENG RES INST CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For grids, dynamic buckling tests are generally not done, and a few will be done, usually in the form of drop weights or Hobkinson rods, but this traditional test device cannot simultaneously achieve low-speed, high-energy and temperature environments. Dynamic buckling test, and it is impossible to complete the dynamic buckling test of the grid under two working conditions of hot state and cold state

Method used

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  • Integrated test device for dynamic buckling of grids under temperature field
  • Integrated test device for dynamic buckling of grids under temperature field
  • Integrated test device for dynamic buckling of grids under temperature field

Examples

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Embodiment Construction

[0030] The present invention will be further explained below in conjunction with the drawings:

[0031] Such as Figure 1-Figure 4 As shown, the integrated test device for dynamic buckling of the lattice frame in the temperature field of the present invention includes a suspension bracket 3, a first suspension link 1, a second suspension link 2, an impact hammer 6, a movable temperature control box 5, The trellis mounting frame 4, the positioning bracket 8, the horizontal moving guide 9, the temperature control box mounting frame 91 and the impact seat 7, the top of the suspension bracket 3 is provided with a mounting post 31 protruding to one side, the first suspension link 1 and The second suspension links 2 are parallel to each other and arranged side by side in the direction of movement of the impact hammer 6. The upper end of the first suspension link 1 is rotatably mounted on the mounting column 31 through the angle measuring shaft 32, and the angle measuring shaft 32 is in...

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Abstract

The invention discloses a temperature field grid shelf dynamic buckling integration test apparatus. The temperature field grid shelf dynamic buckling integration test apparatus comprises a hanger bracket, suspension connection rods, an impact hammer, a moveable temperature control box and a grid shelf mounting rack, the upper ends of two parallel suspension connection rods can be mounted at the top of the hanger bracket in a rotate mode through the connection shafts, the connection shaft corresponding to the upper end of one suspension connection rod is the angle measurement shaft, the angle measurement shaft is provided with an angle measurement encoder used for measuring the rotate angle of the corresponding suspension connection rod; the impact hammer comprises a hammer body and an impact head, the lower ends of two suspension connection rods are connected with the hammer body in a rotate mode, the grid shelf mounting rack used for mounting the grid shelf is located in the moveable temperature control box, which moves horizontally and controls the temperature, a box door is formed in the box wall of the moveable temperature control box and the impact head of the impact hammer aligns at the grid shelf mounting rack. The integration test device is specially used for executing the grid shelf dynamic buckling test and the grid shelf dynamic buckling test in two working conditions (hot state and cold state) can be achieved.

Description

Technical field [0001] The invention relates to a test device for a lattice frame of a nuclear power generation fuel assembly, in particular to an integrated test device for dynamic buckling of the lattice frame in a temperature field. Background technique [0002] Fuel assembly is a key component in nuclear power generation. The grid is an integral part of the fuel assembly and is a thin-walled frame structure supporting the fuel rods and the guide tube. [0003] The buckling test is a test used for buckling analysis that is to study the stability of a structure under a specific load and determine the critical load for structural instability. The buckling analysis includes: linear buckling and nonlinear buckling analysis. Linear buckling analysis can consider fixed preloads. Inertial release can also be used; nonlinear buckling analysis includes geometric nonlinear instability analysis, elastoplastic instability analysis, and nonlinear post-buckling analysis. [0004] Dynamic buck...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
Inventor 王军杨翊仁胡绍全柳沅汛范晨光刘静刘伟宁菲鲁亮杜寿兵
Owner GENERAL ENG RES INST CHINA ACAD OF ENG PHYSICS
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