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Impact specimen sideward swell capacity measurement device

A technique of impacting specimens and measuring devices, which is applied in the direction of testing material strength and mechanical solid deformation measurement using primary impact force, and can solve the problems of not taking radiation protection into consideration and not being able to directly measure the lateral expansion of radioactive impact specimens, etc. Achieve the effects of long-distance direct measurement, low equipment cost, and convenient operation and use

Active Publication Date: 2014-07-02
CHINA INSTITUTE OF ATOMIC ENERGY
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the existing measuring device for the side expansion of the impact sample does not take into account the problem of radiation protection and cannot directly measure the side expansion of the radioactive impact sample, the present invention provides a measuring device for the side expansion of the impact sample

Method used

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Embodiment

[0018] A device for measuring the side expansion of an impact sample, comprising a base 5, a measuring top block 4 and a dial gauge 8; a slide rail 1 is provided on the base 5; the measuring top block 4 can slide along the slide rail 1, and measure The front end structure of the top block 4 is a top cone with multiple cone ends aligned, and the rear end is provided with a measuring push rod 10; a spring connection is used between the measurement top block 4 and the base 5, so that the measurement top block 4 can move toward its top cone direction. Subject to the pulling force in the opposite direction; the dial gauge 8 is fixedly connected with the measuring top block 4, and the measuring head 7 of the dial gauge 8 is consistent with the top cone direction of the measuring top block 4; The baffle plate 15, the side of the baffle plate 15 facing the top cone is provided with a sample holder 12 with a slot 13 for fixing the impact sample 6, the height of the sample holder 12 is l...

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Abstract

The invention relates to a device used for metering solid deformation. In order to solve the problems that according to an existing impact specimen sideward swell capacity measurement device, radiation protection is not taken into consideration and radioactive impact specimen sideward swell capacity can not be directly measured, the invention provides an impact specimen sideward swell capacity measurement device. The device comprises a base, a measurement jacking block and a dial indicator. Slide rails are arranged on the base. The front end of the measurement jacking block is of a structure including a plurality of jacking cones with the cone ends aligned with one another, and a push rod is arranged at the rear end of the measurement jacking block. A baffle is arranged in front of the jacking cones of the measurement jacking block, and the face, facing towards the jacking cones, of the baffle is provided with a specimen clamping base with a clamping groove. When the measurement push rod is pushed, the measurement head of the dial indicator can make contact with the sideward swell portion of an impact specimen. The impact specimen sideward swell capacity measurement device solves the radiation protection problem in the radioactive impact specimen sideward swell capacity measurement process, long-distance direct measurement is achieved, and the impact specimen sideward swell capacity measurement device is quite convenient and rapid to operate and use, and low in cost.

Description

technical field [0001] The invention relates to a device for measuring the deformation of a solid, in particular to a device for measuring the side expansion of an impact sample. Background technique [0002] The lateral expansion of impact specimen is an important test data obtained by impact test, which is mainly used to characterize the ability of metal materials to resist deformation under impact load. At present, the device used for measuring the lateral expansion is simple in structure, and the impact sample is directly operated by hand during the measurement, and the measurement process is relatively simple. [0003] In the field of reactor materials, the requirements for material properties often take into account the radiation damage factor, so the impact samples that need to be measured for lateral expansion often have strong radioactivity. In this case, the existing lateral expansion measurement devices cannot be directly applied to the measurement of the lateral...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/30G01N3/30
Inventor 张长义林赟佟振峰刘新鹏杨文
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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