A ring cutting sampling device and method for large-size cable insulation sheets
A cable insulation and sampling device technology, which is applied in the direction of measurement device, measurement of electricity, measurement of electric variables, etc., can solve the problems of inability to test the electrical performance of the cable, the sampling area of the cable insulation sheet is small, etc., to achieve good application prospects and improve power grid security. performance, improve product performance
Active Publication Date: 2018-03-09
NANJING NARI GROUP CORP +3
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the problem that the existing radial sampling and axial sampling of the cable insulating sheet can only realize the small size sampling of the cable insulating sheet, the sampling area of the cable insulating sheet is small, and some specific electrical properties of the cable cannot be tested
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[0031] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0032] The circular cutting and sampling device for large-size cable insulation sheets of the present invention can quickly and directly cut large-size insulation sheets with uniform thickness from the body of the cable core, and detect the test data of large-size insulation sheets, which can be directly reflected on the cable body Insulation characteristics, and can directly detect the changes in the electrical properties of the insulation-related parts of the cable after a period of use, and can track and analyze the relevant performance of the cable during use, which is helpful for further understanding of related materials, structures, processes and Performance related content such as figur...
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The invention discloses a girdling sampling device of a large cable insulating strip and a method of the device. The girdling sampling device comprises a girdling knife, a roller, tailstock centres and a jacking shaft, the tailstock centres are mounted on a cutting machine tool, the tailstock centres are used to fix the two ends of a cable core segment to be sampled respectively, the tailstock centres and the cable core segment to be sampled are in the same line, the tailstock centres drive the cable core segment to be sampled to rotate anti-clockwise, the girdling knife is positioned at one side of the cable core segment to be sampled, and fixed to the cutting machine tool via the roller to sample a large cable insulating strip from the cable core segment to be sampled, and the jacking shaft is used to fix the cable core segment and ensure the quality of the cut insulating strip. According to the method and device of the invention, the large insulating strip of the uniform thickness can be directly cut from the cable core, material, structure, technology and performance related content can be further known, and the application prospects are good.
Description
technical field [0001] The invention relates to a circular cutting sampling device and a method for a large-size cable insulation sheet, and belongs to the technical field of cable insulation characteristic testing. Background technique [0002] Wire and cable are wire products that transmit electric (magnetic) energy, transmit information, and realize electromagnetic energy conversion. They are widely used in various fields of national economy and are known as the "vessels" and "nerves" of the national economy. At present, the output value of my country's wire and cable industry exceeds one trillion yuan. It is one of the largest supporting industries in the national economy and the second largest industry in the machinery industry after the automobile industry. Wire and cable products are widely used in electricity, energy, transportation, and communications. , automobile and petrochemical industries. [0003] With the rapid development of wind energy, solar energy, offsho...
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IPC IPC(8): G01R31/20
CPCG01R31/20
Inventor 杨黎明高凯曾浩李栋
Owner NANJING NARI GROUP CORP