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Low-temperature distortion testing machine

A twist test, low temperature technology, applied in the field of low temperature twist test machine, can solve the problems of bad wind energy cables and difficult to ensure the normal use of cables

Pending Publication Date: 2021-05-18
DALIAN TECHTRON CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology has the following deficiencies: due to the harsh outdoor conditions of wind energy cables, it is difficult to ensure the normal use of the cables at low temperatures, so there is an urgent need for a low-temperature twist tester to perform twist tests on cables at low temperatures to detect cable performance

Method used

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Embodiment Construction

[0020] 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; Fully conveyed to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted.

[0021] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of example 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 ...

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Abstract

The invention discloses a low-temperature distortion testing machine which comprises a testing support, the top of the testing support is connected with a transverse plate, one side of the bottom of the transverse plate is fixedly provided with a servo motor, the end of an output shaft of the servo motor is in transmission connection with a first rotating shaft, a second rotating shaft is arranged in the side, away from the first rotating shaft, of the transverse plate in a penetrating mode, and the second rotating shaft is rotationally connected with the transverse plate through a bearing. According to the invention, a low-temperature environment is simulated in a heat insulation wall through refrigeration and heating equipment, and a motor is switched on through a control box to drive the first rotating shaft, the second rotating shaft and a measurement cable to rotate, thereby achieving distortion of the measurement cable, the precision of a torsion angle is guaranteed by employing a PLC and a servo motor as main accessories, a large-current three-path collecting ring copper carbon brush holder is used, a touch screen is used as a human-computer interface, operation is convenient, the whole test data can be stored, and therefore the distortion performance of the measurement cable can be tested.

Description

technical field [0001] The invention relates to the technical field of torsion testing machines, in particular to low-temperature torsion testing machines. Background technique [0002] In a broad sense, a testing machine is an instrument that verifies the quality or performance of a product or material according to the design requirements before it is put into use. From the definition, it can be seen that any instrument that verifies the quality or performance can be called a testing machine. , The products of the testing machine are constantly innovating, improving, and perfecting, which can adapt to various properties of the testing material. The testing machine is mainly used to measure the physical properties of materials or products, such as: yield strength, tensile strength, impact toughness of steel , etc., used to measure the chemical properties of materials, that is, the chemical composition, generally called analyzers, not testing machines, torsion testing machine...

Claims

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Application Information

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IPC IPC(8): G01N3/22G01N3/02
CPCG01N3/22G01N3/02
Inventor 陆长军李忠峰鲍国华刘天奇
Owner DALIAN TECHTRON CABLE
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