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Torsion testing device

A technology of torsion test and test piece, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., and can solve the problem that the torsion angle of the test piece cannot be obtained

Inactive Publication Date: 2019-04-12
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the angle detection device fails, the torsion test device cannot obtain the torsion angle of the test piece

Method used

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  • Torsion testing device
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Embodiment Construction

[0023] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to the Those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details, or other methods, etc. may be employed. In other instances, well-known technical solutions have not been shown or described i...

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Abstract

The invention provides a torsion testing device. The device comprises a base, a transmission component, and a driving device. The base is used for fixing a test piece. The transmission component comprises a first gear and a first rack which are meshed with each other; the first gear is rotatably arranged on the base, and is detachably and fixedly connected with the test piece. The driving device is used for driving the first rack to move linearly. According to the torsion test device, in a test process, the first rack linearly moves through the driving device; and the first gear meshed with the first rack starts to rotate, and then the test piece is driven to twist. During this process, linear motion of the first rack is converted into torsional motion of the test piece, a rotation angle of the first gear can be converted by measuring the linear displacement of the first rack to calculate the torsion angle of the test piece.

Description

technical field [0001] The invention relates to the technical field of testing devices, in particular to a torsion testing device. Background technique [0002] Materials are the material basis of human social life. In the new era of knowledge economy, materials, energy and information are listed as the three pillars of modern science and technology, and are widely used in the preparation of various production and living devices, and the performance of materials directly affects the performance and performance of the prepared devices. Reliability, so it is particularly important to detect the performance of materials, especially the torsional performance of materials. [0003] In the existing torsion test device, during the test, the two ends of the test piece are fixed on the connecting frame. Driven by the servo motor, the connecting frame rotates, which in turn drives the test piece to twist, and the torsion of the test piece is obtained through the angle detection devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/26
CPCG01N3/26
Inventor 耿小亮张少伟岳珠峰刘超周浩
Owner NORTHWESTERN POLYTECHNICAL UNIV