Fracture test sample mounting and clamping device matched with shock testing machine

A technology of impact testing machine and clamping device, applied in measuring devices, instruments, scientific instruments, etc., can solve problems such as difficulty in meeting the fracture test of small-sized samples, large energy of drop-weight fracture testing machine, affecting equipment detection accuracy, etc. , to achieve the effect of reducing equipment purchase cost, simple structure and reducing vibration

Inactive Publication Date: 2014-03-19
CHENGDU ENGINE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high energy of the drop hammer fracture testing machine and the low impact positioning accuracy, it is difficult to meet the fracture test of small-sized samples.
In addition, the price of the drop hammer fracture testing machine is twice that of the impact testing machine,

Method used

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  • Fracture test sample mounting and clamping device matched with shock testing machine
  • Fracture test sample mounting and clamping device matched with shock testing machine
  • Fracture test sample mounting and clamping device matched with shock testing machine

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] The structure and use of the clamping device for fracture test sample used in conjunction with the impact testing machine according to the present invention will be further described below through examples and in conjunction with the accompanying drawings.

[0019] In this embodiment, the structure of the clamping device for the fracture test sample used in conjunction with the impact testing machine is as follows: figure 1 As shown, it consists of fixture 1 and block 2; the shape and structure of block 2 are as follows Figure 4 , Figure 5 As shown, it is a bar-shaped block, its bottom surface and four sides are flat, and the four sides are perpendicular to the bottom surface, and its top surface is provided with a V-shaped groove 2-2 for placing the sample. The shape and structure of fixture 1 are as figure 2 , image 3 As shown, it is a cube with a slope 1-4 on the top surface, a pad installation groove 1-2 matching the pad is provided on the slope, and the angl...

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PUM

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Abstract

The invention discloses a fracture test sample mounting and clamping device matched with a shock testing machine. The fracture test sample mounting and clamping device comprises a clamping apparatus and a cushion block, wherein the cushion block is a bar-shaped block body, a V-shaped groove for holding a sample is arranged on the top surface of the cushion block, the clamping apparatus is a cuboid which is provided with an inclined surface on the top surface, a cushion mounting groove is arranged on the inclined surface, in a formula of an included angle of the inclined surface and a horizontal plane, L1 is a length of a pendulum bob arm of the shock testing machine, and L2 is a distance between the center line of the cushion block mounting groove on the clamping apparatus and an anvil block of the shock testing machine after the sample mounting and clamping device is arranged on a fixed position on the shock testing machine; and the cushion block is arranged in the cushion block mounting groove arranged on the inclined surface of the clamping apparatus.

Description

technical field [0001] The invention belongs to the field of fracture sample preparation, in particular to a fracture test sample clamping device used in conjunction with an impact testing machine. Background technique [0002] The purpose of the fracture impact test is to determine the performance and failure mode of the material by observing the macroscopic and microscopic morphology of the fracture and the location of the fracture source. It is mainly used for material failure analysis and performance testing during material development. At present, the preparation of the test fracture generally adopts the drop hammer fracture testing machine. When performing the fracture impact test, the gravity potential energy of the drop hammer itself is used to break the sample, and finally the fracture of the sample is analyzed. Due to the high energy and low impact positioning accuracy of the drop hammer fracture testing machine, it is difficult to meet the fracture test of small-s...

Claims

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Application Information

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IPC IPC(8): G01N3/04G01N3/303
Inventor 张赞平刘建
Owner CHENGDU ENGINE GROUP
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