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Size-adjustable pressurizing, fixing and centering device and centering method

A centering device and size technology, applied in the direction of measuring device, using stable tension/pressure to test material strength, preparation of test samples, etc., can solve the problems of deviation of experimental results and inability to center multiple specimens, achieve good contact

Inactive Publication Date: 2020-05-08
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a pressurized and fixed centering device with adjustable size, which solves the problem that the existing centering device cannot strictly center multiple samples at the same time. The problem that the experimental results seriously deviate from the true value

Method used

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  • Size-adjustable pressurizing, fixing and centering device and centering method
  • Size-adjustable pressurizing, fixing and centering device and centering method
  • Size-adjustable pressurizing, fixing and centering device and centering method

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Embodiment

[0044] Such as Figure 8 As shown, a size-adjustable pressurized and fixed centering device consists of a base 1, a centering splint unit 2, a baffle 3, and a fastening screw 4; figure 1 As shown, the center of the base 1 is provided with a centering guide groove 1-2 and two sets of baffle positioning holes 1-3; Figure 6 and Figure 7 As shown, the centering splint unit 2 is provided with a centering guide rail 2-2, a centering screw hole 2-3 and a centering beam 2-1; the centering guide rail 2-2 on the centering splint unit 2 It can slide along the centering guide groove 1-2 on the base 1; the centering splint unit 2 can be bolted and fixed on the base 1 through the centering screw hole 2-3 on it; as figure 2 and image 3 As shown, the baffle 3 is provided with a loading hole 3-2 and a pair of fastening screw holes 3-1; the baffle 3 is bolted through the baffle positioning hole 1-3 and the fastening screw hole 3-1 Fixed on the base 1, the fastening screw 4 is threaded o...

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Abstract

The invention discloses a size-adjustable pressurizing, fixing and centering device and a centering method and belongs to the field of sample pretreatment. The centering device comprises a base and centering clamping plate units, centering guide grooves are arranged on the surface of the base, the two centering clamping plate units are slidably connected onto the centering guide grooves, two baffle plates are parallelly arranged on two sides of each centering guide groove, and fastening screws are arranged on the baffle plates. Certain contact pressure can be generated between sample pieces through the baffles and the fastening screws arranged on the two sides of the centering guide grooves, and good contact between the sample pieces is guaranteed; the two centering clamping plate units can do relative motion in the groove direction of the centering guide grooves, and therefore the centering clamping plate units can adapt to centering, pressurizing and fixing of sample pieces of different sizes by adjusting the sliding positions of the two centering clamping plate units on the centering guide grooves. The device is simple in structure, easy to operate and high in practicability.

Description

technical field [0001] The invention belongs to the field of sample pretreatment, and relates to the centering and pressurized fixing of a plurality of sample pieces, in particular to a size-adjustable pressurized and fixed centering device and a centering method. Background technique [0002] In mechanical experiments, especially in tensile tests, when the tensile piece is composed of two or more specimens, it is necessary to axially bond multiple specimens together before the experiment. During the bonding process, it is necessary to keep multiple specimens strictly centered at all times. If these specimens are not strictly centered, the experimental results will seriously deviate from the true value. Generally, in order to make the joint surfaces of the specimens tightly bonded, it is necessary to A contact pressure is provided at both ends of the sample, and it is required that these samples can be kept pressurized and centered without external interference for a long pe...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/04G01N3/08G01N1/36G01B5/25
CPCG01N3/02G01N3/04G01N3/08G01N1/36G01B5/25G01N2203/047
Inventor 宋岩韩泽林柴孟瑜李云
Owner XI AN JIAOTONG UNIV
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