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Power transformation material bending and fatigue testing machine

A kind of fatigue testing machine, the technology of electric material

Inactive Publication Date: 2019-03-29
ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a bending and torsion fatigue testing machine for substituting materials, which overcomes the deficiencies of the prior art and can effectively solve the problem that the bending strength test, torsional strength test and fatigue test cannot be carried out on the same testing machine at present

Method used

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  • Power transformation material bending and fatigue testing machine
  • Power transformation material bending and fatigue testing machine
  • Power transformation material bending and fatigue testing machine

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Embodiment Construction

[0024] The present invention is not limited by the following examples, and specific implementation methods can be determined according to the technical solutions of the present invention and actual conditions.

[0025] In the present invention, for the convenience of description, the description of the relative positional relationship of each component is based on the description attached to the description. figure 1 For example, the positional relationship of front, back, up, down, left, right, etc. is based on the attached figure 1 determined by the layout direction.

[0026] Below in conjunction with embodiment and accompanying drawing, the present invention will be further described:

[0027] as attached figure 1 , 2 As shown, the bending and torsion fatigue testing machine for power-changing materials includes a base 1, a loading device 2 and a torsion head 3. On the base 1, at least two columns 4 are fixed along the circumference, and between the tops of the columns 4...

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Abstract

The invention relates to the technical field of power transformation material performance test equipment, and provides a power transformation material bending and fatigue testing machine. The power transformation material bending and fatigue testing machine comprises a base, a loading device and a torsion head. The machine is reasonable and compact in structure and convenient to use. Based on thecooperative usage of the loading device, a first screw-nut mechanism, a rotating disc, a first driving mechanism, a tension load sensor and a torque sensor, the rotating disc is rotated or the torsionhead is horizontally moved on the same testing machine. As a result, the testing machine can be used for carrying out conventional bending strength and torsion strength tests on transformer substation insulators and hardware tools with various sizes. The testing machine can also be used for carrying out the fatigue test and simulating the working states of the transformer substation insulators and the hardware tools. Therefore, the performances of the transformer substation insulators and the hardware tools can be evaluated. The testing machine is especially important for evaluating the performances of transformer substation materials.

Description

technical field [0001] The invention relates to the technical field of testing equipment for the performance of electricity-changing materials, and relates to a bending-torsion fatigue testing machine for electricity-changing materials. Background technique [0002] Porcelain insulators are important equipment in substations and play an important role in electrical insulation and mechanical support. Under the combined effects of strong electromagnetic environment, long-term mechanical load and harsh weather conditions, the electromechanical performance of porcelain insulators will decline significantly. In addition, there may be quality problems in the product, which may easily lead to fracture accidents. The quality problems of products are mainly due to the existence of porcelain insulators. Defects (such as cracks) or insufficient strength of porcelain insulators (mainly bending strength and torsional strength). Therefore, the national standard "Insulator Test Method" st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/20G01N3/22
CPCG01N3/20G01N3/22
Inventor 李勇杰何成庄凌志赵普志王欣欣李伟张陵马勤勇陈彬高荣刚赵建平游溢郑义张龙徐凯董新胜王建陈东娃许雷
Owner ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER
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