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Creep/endurance testing machine with sample snapping prevention device

A pull-breaking device, a technology for durable testing, applied in measuring devices, using stable tension/pressure testing materials, instruments, etc., can solve problems such as pull-breaking and additional deformation of samples, and achieve high reliability and low cost. , the effect of simple structure

Pending Publication Date: 2022-01-11
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to address the defects of the prior art and provide a creep / endurance testing machine equipped with an anti-sample breakage device to prevent additional deformation or even breakage of the sample due to cold shrinkage

Method used

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  • Creep/endurance testing machine with sample snapping prevention device
  • Creep/endurance testing machine with sample snapping prevention device
  • Creep/endurance testing machine with sample snapping prevention device

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Such as figure 1 As shown, the creep / endurance testing machine provided by the present invention is provided with a passive auxiliary device that prevents the sample from breaking under the accidental power failure situation, including sample 3 (with image 3 The circular rod-shaped sample shown is an example), the frame 1, the sample breaking prevention device 5 and the heating furnace 2. The sample 3 is located in the heating furnace 2, the upper end of the sample 3 is connected to the upper pull rod 4 of the frame, the lower end of the sample is connected to the sample breaking device 5,...

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Abstract

The invention relates to a creep / endurance testing machine with a sample snapping prevention device. The machine comprises a rack, a heating furnace is arranged on the rack, a sample is positioned in the heating furnace, the upper end of the sample is connected with an upper pull rod of the rack, the lower end of the sample is connected with a sample snapping prevention device, and the lower end of the sample snapping prevention device is connected with the test force loading end of the rack. The machine can effectively avoid the situation that when the creep / endurance testing machine is powered off accidentally, the sample deforms additionally and is even snapped due to cold contraction, and meanwhile, the machine is passive, extremely high in reliability and low in cost and does not need any intervention of testers.

Description

technical field [0001] The invention relates to a test device for creep performance and durability performance of metal materials, in particular to a creep / durability testing machine equipped with a device for preventing sample breaking. Background technique [0002] When performing creep (including durability) tests on samples, creep / durability testing machines are used, and often need to be carried out at high temperatures. The loading methods of the force value are basically divided into weight loading and servo motor / oil pressure loading. kind. For the servo motor / oil pressure loading method, when the power is suddenly cut off, if the experimenter cannot operate in time, because the heating furnace cannot be heated, the sample, connecting rod and other components will gradually cool down, and thermal expansion and contraction will occur. At this time, because the servo motor / oil pressure loading device cannot be powered off, the two ends of the entire loading system wil...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/18
CPCG01N3/02G01N3/18G01N2203/0003G01N2203/0017G01N2203/0048G01N2203/0226
Inventor 王成龙宁广胜张长义徐帅杨文
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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