Cable contact surface roughness detection device and detection method
A cable contact, uneven surface technology, applied in measuring devices, optical devices, instruments, etc., can solve the problems of inaccurate detection results and lack of evaluation standards, and achieve the effect of improving detection efficiency, simple structure and high accuracy
Active Publication Date: 2018-09-21
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD +1
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[0005] Based on this, it is necessary to provide a surface roughness detection method for cable contacts in view of the traditional method of detecting the surface roughness of the transition zone between the cable insulation layer and the semi-conductive fracture, which lacks a unified evaluation standard and leads to inaccurate detection results. Device and detection method thereof
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[0025] In order to further illustrate the technical means adopted by the present invention and the achieved effects, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.
[0026] The "cable contact" mentioned in the present invention is defined as: in the installation of the cable intermediate joint and the terminal, after the opening and grinding treatment, the cable end is prepared for the installation of accessories such as stress cones; "surface roughness" is defined It is: on the surface of an object, the standard deviation of the ratio of the elevation difference between any two points with a specified distance above 20 microns to the horizontal distance between the two points is not the scaling of the international concept of roughness.
[0027] Such as figure 1 as shown, figure 1 It is a schematic structural diagram of a cable contact surface roughness d...
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The invention relates to a cable contact surface unevenness detection device and a detection method thereof, wherein the detection device comprises a support mechanism and a measurement mechanism; a clamping plate and a support frame of the support mechanism support and fix a tested cable contact; at least one end of a scaleplate of the measurement mechanism is connected and fixed with at least one support mechanism to form an integral body; an emission beam of the measurement mechanism is perpendicular to an axial line of the tested cable contact; and the measurement mechanism slides along the axial line direction parallel to the tested cable contact to a preset plurality of sample test points so as to measure the distances separately between the measurement mechanism and the sample test points, wherein the distances are used for calculating the surface unevenness of the tested cable contact. Through the above technical scheme, the invention realizes the standardized, quantitative and normalized detection of the surface unevenness of the cable contact surface, and realizes the automatic detection of the surface unevenness of the cable contact and improves the efficiency and the accuracy of detecting the surface unevenness of the cable contact surface.
Description
technical field [0001] The invention relates to the technical field of grinding test in the cable installation process, in particular to a device for detecting the surface roughness of a cable contact and a detection method thereof. Background technique [0002] In the installation process of high-voltage cross-linked cable accessories, in order to ensure the "seamless" connection between the cable and the cable accessories and obtain high installation accuracy and reliability, the transition area between the cable insulation layer and the semi-conductive fracture needs to be polished on the construction site After processing, after grinding, it is necessary to test the smoothness and flatness of the surface of the transition area after treatment to ensure that the surface of the transition area between the cable insulation layer and the semi-conductive fracture is sufficiently smooth and smooth. [0003] The traditional method of detecting the surface smoothness of the tran...
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IPC IPC(8): G01B11/30
CPCG01B11/30
Inventor 郑志豪卞佳音高承华张维波刘群陈文教卢润戈杨迁
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD