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Anti-extrusion flame-retardant cable

A flame-retardant cable, anti-extrusion technology, applied in the direction of insulated cables, cables, circuits, etc., can solve problems such as broken, cable short-circuit, cable core exposure, etc., to achieve the effect of large bending degree, large deformation space, and easy bending

Inactive Publication Date: 2021-10-08
ANHUI LINGYU CABLE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the cables on heavy-duty mobile equipment move with the movement of the execution parts on the equipment. During the movement, the cables will be continuously bent and twisted. The optical fibers inside the power supply need to withstand long-term bending. The cable will be cracked or broken, which will expose the cable core, which will easily cause the interruption of the signal transmission of the optical cable, and the outer casing of the cable is mostly made of all rubber products. Short circuit caused by breakdown, insufficient protection

Method used

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] see Figure 1-3 , an embodiment provided by the present invention.

[0021] Such as figure 1 and image 3 As shown, an anti-extrusion flame-retardant cable includes a cable rubber sheath 1, and the cable rubber sheath 1 is sequentially provided with a fixed rubber layer 2, a metal braided mesh layer 3 and a high-temperature resistant layer 4 from the inside to the outside, so that it is convenient for the cable main body Playing a protective role, th...

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Abstract

The invention discloses an anti-extrusion flame-retardant cable, which comprises a cable rubber sleeve. A cable main body is sequentially provided with a fixed rubber layer, a metal woven mesh layer and a high-temperature-resistant layer from inside to outside, a hollow rubber tube is arranged at the center of an inner cavity of the cable rubber sleeve, and three elastic reinforcing ribs are connected between the outer side of the circumference of the hollow rubber tube and the fixed rubber layer in an inserted mode. A cable installation cavity is defined by every two adjacent elastic reinforcing ribs, the fixed rubber layer and the hollow rubber tube, an oval protection tube is arranged in an inner cavity of each cable installation cavity, and a cable core is arranged in an inner cavity of each oval protection tube.The design structure is reasonable, the flame-retardant performance of the cable is improved, and at the same time, the cable has better bending performance and extrusion resistance. The cable is not easy to damage and crack, and the service life of the cable is prolonged.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to an extrusion-resistant and flame-retardant cable. Background technique [0002] The cable is usually a rope-like cable twisted by several or several groups of conductors (at least two in each group). Each group of conductors is insulated from each other and is often twisted around a center. Insulated covering layer, the cable has the characteristics of internal electrification and external insulation, especially for cables used on large equipment. [0003] At present, the cables on heavy-duty mobile equipment move with the movement of the execution parts on the equipment. During the movement, the cables will be continuously bent and twisted. The optical fibers inside the power supply need to withstand long-term bending. The cable will be cracked or broken, which will expose the cable core, which will easily cause the interruption of the signal transmission of the optical cable, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/18H01B7/22H01B7/295
CPCH01B7/295H01B7/184H01B7/228
Inventor 李万松李兵叶磊
Owner ANHUI LINGYU CABLE TECH
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