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High-strength and fireproof cable

A fire-resistant cable, high-strength technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of insufficient cable strength and fire resistance, and achieve the effects of safe use, increased strength and tensile strength, and extended service life

Inactive Publication Date: 2018-03-23
济宁市奥利工程机械股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a high-strength fire-resistant cable for the disadvantages of insufficient strength and fire resistance of the cable in the prior art

Method used

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  • High-strength and fireproof cable

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0012] A high-strength fire-resistant cable, as shown in the figure, includes an outer sheath layer 1 and an inner sheath layer 2, and a polytetrafluoroethylene reinforcement layer is provided between the outer sheath layer 1 and the inner sheath layer 2 3. The inside of the inner sheath layer 2 is provided with a tape 4, the inside of the tape 4 is provided with a fireproof layer 5, and the inside of the fireproof layer 5 is a cable core 6; the fireproof layer 5 is aluminum There are three cable cores 6, and the outside of each cable core 6 is wrapped with an insulating shielding layer 7.

[0013] A polytetrafluoroethylene layer 3 is added between the inner and outer sheath layers 2, the strength of the cable is greater, and it has stronger properties such as tensile resistance and twist resistance, and has a longer service life. When an accident occurs in ...

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Abstract

The invention relates to the technical field of cables, and discloses a high-strength and fireproof cable. The cable comprises an outer sheath layer and an inner sheath layer. A polytetrafluoroethylene reinforcement layer is arranged between the outer sheath layer and the inner sheath layer. A belting layer is arranged on the inner side of the inner sheath layer. A fireproof layer is arranged on the inner side of the belting layer. The inner side of the fireproof layer is provided with a cable core. According to the invention, the polytetrafluoroethylene layer is wrapped on the outer side of the cable, so that the strength and the tensile force of the cable are increased. The service life of the cable is prolonged. An aluminum sleeve isolation fireproof layer is additionally arranged on the inner side of the sheath of the cable, so that the cable has enough fireproof performance and is safer to use.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a high-strength fire-resistant cable. Background technique [0002] High-voltage cable is a kind of cable used to transmit and distribute electric energy. It is often used in urban underground power grids, outgoing lines of power stations, internal power supply of industrial and mining enterprises, and underwater high-voltage transmission cables across rivers and seas. High-voltage cables are used in people's daily life. Life plays a vital role in providing the essential power supply. Due to the harsh application environment of high-voltage cables, they need to have the characteristics of super tensile strength, torsion resistance, high mechanical stress resistance, waterproof, oil proof, UV protection, flame retardant, chemical corrosion resistance, high temperature resistance, etc., but currently on the market Cables cannot fully meet the above requirements, especially in the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B3/44H01B7/18H01B7/20H01B7/29
CPCH01B7/1875H01B3/445H01B7/205H01B7/29
Inventor 陈静静
Owner 济宁市奥利工程机械股份有限公司
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