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Tensile fixture of round bar tensile sample

A technique for tensile specimens and fixtures, used in measuring devices, instruments, scientific instruments, etc., can solve the problems of fixtures with high noise, high power consumption, and inability to install extensometers, and achieve the effect of safe clamping and convenient replacement of fixtures.

Inactive Publication Date: 2013-11-27
SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a tensile fixture for a round bar tensile sample, which solves the shortcomings of the original fixture such as high noise, high power consumption, and inability to install an extensometer. At the same time, it is convenient and fast to replace the fixture. It is an accurate, fast and economical fixture system

Method used

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  • Tensile fixture of round bar tensile sample
  • Tensile fixture of round bar tensile sample
  • Tensile fixture of round bar tensile sample

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Embodiment Construction

[0018] based on the following Figure 1 to Figure 7 , specifically explain the preferred embodiment of the present invention.

[0019] Such as figure 1 As shown, the present invention provides a tensile fixture for a round bar tensile sample, the fixture includes an upper connector 1 and a lower connector 7 connected to the testing machine respectively, and the fixture also includes an upper clamp 3 connected to the upper connector 1 , the upper clamp 3 has an upper clamp 31, the upper clamp 31 has an internal thread, the clamp also includes a lower clamp 6 connected to the lower connector 7, the lower clamp 6 includes a lower clamp 61, and the lower clamp 61 has an internal thread , the fixture also includes an upper pin 2 arranged in the upper chuck 31 and a lower pin 5 arranged in the lower chuck 61 .

[0020] Such as figure 2 As shown, it is a schematic diagram of the open state of the upper clamp 3, such as image 3 As shown, it is a schematic diagram of the closed s...

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Abstract

The invention discloses a tensile fixture of a round bar tensile sample. The fixture comprises an upper connector and a lower connector, which are respectively connected with a tester, wherein the fixture also comprises an upper clamp connected with the upper connector; the upper clamp comprises an upper chuck; the clamp also comprises a lower clamp connected with the lower connector; the lower clamp comprises a lower chuck; the fixture also comprises lower bolts which are arranged inside the upper chuck and the lower chuck. By adopting the tensile fixture, the defects of large noise, high power consumption, incapability of mounting an extensometer and the like of the traditional fixture are overcome; meanwhile, the tensile fixture is convenient and fast to replace, and is an accurate, fast and economic clamp system.

Description

technical field [0001] The invention relates to a tensile clamp for a round bar tensile sample. Background technique [0002] Nuclear power manufacturing enterprises use yield strength as an assessment index for raw material acceptance, welding material acceptance, welding process evaluation, product witness, etc., and this assessment index is essential, but in many cases many materials and welding consumables There is no obvious yield. In this way, it is necessary to measure Rp0.2 (prescribed plastic extension strength) as an assessment index. The measurement of Rp0.2 needs to be completed with an extensometer. The existing tensile fixture uses a hydraulic fixture. The extensometer needs to lengthen the tensile standard sample, which causes a waste of material, and in many cases the specification of the material is fixed, and the sample cannot be lengthened at all. At the same time, the hydraulic fixture also has the disadvantages of high power consumption and high noise ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/04
Inventor 李晓冬赵炜陆连萍丁阳
Owner SHANGHAI ELECTRIC NUCLEAR POWER EQUIP CO LTD
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