Four-axis centering adjustment system and method for biaxial tensile testing machine

A technology of centering adjustment and biaxial stretching, applied in the field of testing machines, can solve problems such as disassembly and inability to adjust in real time

Active Publication Date: 2020-01-24
JILIN UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to provide a four-axis centering adjustment system and method for biaxial tensile testing machines, which solves the problem that the loadin

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  • Four-axis centering adjustment system and method for biaxial tensile testing machine

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Embodiment Construction

[0078] The detailed content of the present invention and its specific implementation will be further described below in conjunction with the accompanying drawings.

[0079] see Figure 1 to Figure 14As shown, the four-axis alignment adjustment system and method for a biaxial tensile testing machine of the present invention solves the problem that the loading chain coaxiality of the existing biaxial testing machine needs to be disassembled and cannot be adjusted in real time. To a certain extent, it fills the gap in the existing technology; the adjustment amount reaches 0.01mm / division, and the adjustment range is ±0.5mm, ±0.35°; the dual-axis alignment sensor can identify the 5 freedoms of the loading chain, such as coaxial, angle, and torsion. At the same time, it can also analyze the perpendicularity of the two axes in the orthogonal direction and the flatness of the axes, and the detection accuracy is 0.01mm; the coarse adjustment device can be used to limit the position to...

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Abstract

The invention relates to a four-axis centering adjustment system and method for a biaxial tensile testing machine and belongs to the field of testing machine technologies. The system comprises a spindle loading chain, a centering adjustment device, a centering sensor, a feedback device and a rack, wherein the centering adjustment device is installed on the spindle loading chain, the spindle loading chain is installed on the rack, and a detection and feedback mechanism is installed on the rack and is used for detecting and controlling the adjustment amount. The system has the advantages that adjustment at five degrees of freedom can be realized, and precision is correspondingly matched with a detection device; the system is connected with a complete machine loading chain, the strength of the whole device is improved, and damage to a loading shaft is reduced; and the system is high in adaptability, can match loading chains in different forms and multiple types of fixtures, occupies a small space, is easy to operate and high in repeated adjustment precision, improves experimental precision and makes measured data more precise.

Description

technical field [0001] The invention relates to the technical field of testing machines, in particular to a four-axis centering adjustment system and method for biaxial tensile testing machines. The concentricity of the loading chain can be calibrated on the testing machine. Background technique [0002] With the development of the economy and the advancement of science and technology, the testing machine industry is booming like mushrooms after a rain, and various testing machines for different purposes are emerging. The testing machine can measure the mechanical properties, process properties, internal defects of materials and check rotating parts. Dynamic unbalance and other aspects, and more and more widely used in machinery industry and other fields. The coaxiality adjustment method of the traditional testing machine is manual adjustment, but the efficiency of manual allocation is low, and the standard is different, the adjustment amount is limited, and it is easy to c...

Claims

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Application Information

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IPC IPC(8): G01N3/62G01B5/252
CPCG01N3/62G01B5/252G01N2203/0017
Inventor 赵宏伟孟凡越张建海陈俊先侯伟光石成玉赵久成秦学志
Owner JILIN UNIV
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