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Vickers hardness test auxiliary device

An auxiliary device, the technology of Vickers hardness, applied in the direction of measuring device, testing material hardness, strength characteristics, etc., can solve the problems of cumbersome operation, inconvenient clamping and fixing, etc., to achieve the effect of improving efficiency, convenient operation and strong practicability

Pending Publication Date: 2021-08-17
GUIZHOU AEROSPACE PRECISION PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It mainly drives the partition plate to clamp the sample plate by rotating and adjusting the clamping bolt. When clamping and fixing the sample plate, it is necessary to repeatedly turn the bolt according to the width of the sample plate to drive the partition plate to move, and the operation is more cumbersome. , it is not easy to adapt to the clamping and fixing of different sample plates

Method used

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  • Vickers hardness test auxiliary device
  • Vickers hardness test auxiliary device
  • Vickers hardness test auxiliary device

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Such as Figure 1 to Figure 4 As shown, a kind of Vickers hardness test auxiliary device described in the present invention comprises test bench 1, cylinder body 3 and replaceable splint 9, and described cylinder body 3 is provided with two groups, and in described test bench 1 The top is provided with two corresponding bar-shaped holes 5, and the bottom of the test bench 1 is fixedly connected with a slide rail 2 corresponding to the bar-shaped holes 5, and the outer surface of the cylinder body 3 is provided with a The chute 4 matched with the slide rail 2, the cylinder body 3 is slidably connected to the inside of the slide rail 2 through the chute 4, and the two groups of cylinder bodies 3 are respectively located directly below the corresponding bar-shaped holes 5, and pass through the set slide rail 2. It is convenient for the cylinder body 3 to move in the slide rail 2, so as to adjust the position of the splint 9; inside the cylinder body 3, there is a linkage r...

Embodiment 2

[0027] Such as Figure 5 As shown, the difference from Embodiment 1 is that an opening 10 is provided on the upper end side of the linkage rod 6, and the splint 9 is inserted into the inside of the opening 10, and the top of the splint 9 is provided with a The through hole 19 of the linkage rod 6 extends to the outside of the splint 9 through the through hole 19 in the splint 9 , and one of the inner sides of the through hole 19 is inserted into the opening 10 in the linkage rod 6 . When replacing the splint 9 , put the splint 9 on the outside of the linkage rod 6 through the through hole 19 , and then push the splint 9 to be inserted into the opening 10 , which is beneficial to restrict the splint 9 on the linkage rod 6 .

[0028]Adopting a Vickers hardness test auxiliary device according to the present invention, its working principle is: when in use, according to the width of the sample plate, first replace the splint 9, and then move the two groups of cylinders 3 in the sl...

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Abstract

The invention discloses a Vickers hardness test auxiliary device which comprises a test bed and cylinder bodies, strip-shaped holes are formed in the top of the test bed, sliding rails are fixedly connected to the bottom of the test bed, sliding grooves are formed in the outer side faces of the cylinder bodies, the cylinder bodies are slidably connected into the sliding rails through the sliding grooves, and the two sets of cylinder bodies are located under the corresponding strip-shaped holes respectively; a linkage rod matched with the strip-shaped hole is movably inserted into the cylinder body, a limiting plate and a first compression spring are further arranged in the cylinder body, the upper end of the linkage rod extends to the position above the strip-shaped hole, the lower end of the linkage rod extends to the outer side of the cylinder body, the linkage rod is sleeved with the first compression spring, and the lower end of the first compression spring makes contact with the limiting plate. Clamping plates are arranged on the upper portions of the linkage rods, and a containing space is formed between every two adjacent clamping plates. By means of the auxiliary device, the positions of the clamping plates can be adjusted conveniently, clamping time is saved, and the auxiliary device is simple in structure, convenient to operate, high in practicability and beneficial to application and popularization.

Description

technical field [0001] The invention relates to the technical field of metal material performance testing equipment, in particular to an auxiliary device for a Vickers hardness test. Background technique [0002] Vickers hardness is a standard to indicate the hardness of materials. Vickers hardness test is a very important detection method to verify the mechanical properties involved in the welding procedure evaluation of metal materials. The square pyramidal diamond indenter is pressed into the surface of the sample with a certain test force, and after holding for a specified time, the test force is removed, the diagonal length of the indentation on the sample surface is measured, and the hardness is calculated according to the formula. Vickers hardness is applied to all metals and is one of the most widely used hardness scales. [0003] After retrieval, the application number is 201721237455.0, and the patent document with authorized announcement number CN207396248U discl...

Claims

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Application Information

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IPC IPC(8): G01N3/40G01N3/04
CPCG01N3/40G01N3/04G01N2203/0076
Inventor 杨杰森马途丽蒋忠伦陈娟陆志荣张翔汪中明
Owner GUIZHOU AEROSPACE PRECISION PRODS
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