A protective cable

Abstract

The invention discloses a cable with protective function, include cable core, the cable core is formed by twisting a plurality of wire cores inside, A tape is tightly wound on that outside of the wirecore, A first spring and a second spring are fixedly connected on the outer side of the wrapping band, At one end of that second spr, a fireproof layer is arrange, A high-flame-retardant fill is arranged on that inn side of the fireproof layer and the outer side of the bag belt, and the outer side of the fireproof layer is coated with an armor layer, A first insulating layer is coated on the outside of the armor layer, An out protective sleeve is coated on that outer side of the first insulate layer, A wear-resistant convex strip is uniformly distributed on the outer side of the outer protective sleeve, the wire core includes an inner protective sleeve, A second insulating layer is coated on the inner side of the inner protective sleeve. The cable with protective function has simple structure and reasonable design. By adding a spring device on the outer side of the cable core, the compression resistance of the cable is improved, deformation or damage of the cable caused by multiple extrusion can be avoided, and at the same time, the cable has good flame retardancy and insulation.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a protective cable. Background technique [0002] With the steady and rapid growth of my country's economy, the demand for wires and cables has also shown a strong trend. The product categories that occupy a considerable proportion in the national economy and have a large volume and wide range have been widely used in facilities and equipment used in the operation of the economic system. Among the equipment, especially the huge power transmission system and information transmission system, and serve all social activities and penetrate into every family and personal daily life, so wire and cable products have reached a ubiquitous state, with The use of cables is increasing, and the application areas are becoming wider and wider. The requirements for cable types and performance are also getting higher and higher. In some occasions where there are many people or vehicles often drive, p...

AI Technical Summary

Problems solved by technology

[0002] With the steady and rapid growth of my country's economy, the demand for wires and cables has also shown a strong trend. The product categories that occupy a considerable proportion in the national economy and have a large volume and wide range have been widely used in facilities and equipment used in the operation of the economic system. Among the equipment, especially the huge power transmission system and information transmission system, and serve all social activities and penetrate into every family and personal daily life, so wire and cable products have reached a ubiquitous state, with The use of cables is increasing, and the application areas are becoming wider and wider. The requirements for cable types and performance are also getting higher and higher. In some occasions where there are many people or vehicles often drive, people or vehicles are easy to put Stepping on the cables on the ground will easily damage the cables, which will affect the electrical conductivity of the cables and the insulation of the cable surface, which will endanger the safety of the cables.

[0003] In the existing cables, most of the sheaths of the cables are composed of plastic and rubber organic polymers, generally one layer. When used in some environments, the protection of the cable core is not enough, and the cable core is easily damaged, affecting the performance of the cable. Therefore, it is particularly important to solve the problem that the cable is easily damaged when it is repeatedly stressed.

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