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Tensile cable

A cable and tension-resistant technology, which is applied in the direction of insulated cables, bendable cables, cables, etc., can solve problems such as heavy weight of cables, inability to meet the needs of operations, and complex structure of tension-resistant cables, so as to increase tensile resistance and bendability , the effect of increasing the service life

Inactive Publication Date: 2019-02-15
扬州市轩煌铸造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the above-mentioned tensile cable is relatively complicated, and the weight of the cable per unit length is relatively heavy; although the linear tensile strength of the cable along its length direction is better than that of traditional cables, it still cannot meet the needs of some operations

Method used

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  • Tensile cable

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Embodiment Construction

[0010] A tensile cable such as figure 1 As shown, it includes three copper conductors 1, each copper conductor 1 is extruded with an insulating layer 2, and the insulating layer 2 is extruded with a glass fiber layer 3; the three copper conductors form a core cable with the corresponding insulating layer and glass fiber layer, The core cable is extruded with a sheath layer 7; three straight steel wire ropes 5 are evenly distributed between the sheath layer 7 and the core cable. There is a filling layer 4 between the jacket layer 7, the core cable and the steel wire rope 5, and the filling layer is filled with a mixture of high flame-retardant filling rope and industrial super glue;

[0011] The thickness of the sheath layer 7 is 1.5-2.5mm, which is extruded with irradiated low-smoke halogen-free flame-retardant cross-linked polyolefin material, and a helical steel wire 6 is arranged inside the sheath layer 7, and the helical steel wire is along the The cable length direction ...

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Abstract

The invention relates to a tensile cable. The tensile cable comprises three copper conductors, wherein each copper conductor is wrapped by an insulating layer in an extruding mode, and a glass fiber layer is extruded outside the insulating layer; the three copper conductors, and the corresponding insulating layers and the glass fiber layers form a core cable, and a sheath layer is extruded outsidethe core cable; three linear steel wire ropes which are uniformly distributed are arranged between the sheath layer and the core cable; a filling layer is arranged among the sheath layer, the core cable and the steel wire ropes; and spiral steel wires are arranged in the sheath layer. The linear steel wire ropes are arranged in the filling layer, and the spiral steel wires are arranged in the sheath layer, so that the cable has double-layer tensile strength in the length direction and the circumferential direction, and the spiral steel wires have a certain elastic function, so that the tensile property and the bending property of the whole cable are improved, and the service life of the cable is prolonged.

Description

technical field [0001] The invention belongs to the field of cable production, and relates to a cable, in particular to a tensile cable. Background technique [0002] At present, there are many types and specifications of cables on the market, and the working environment of the cables is also different. During the actual operation, the cables will be rubbed or even hindered by the ground, so that the cables are frequently subjected to friction and high-strength tension during work. And torsion shortens its service life, and the cable is subjected to various mechanical stresses such as frequent bending and stretching during operation, which may cause the core to break and seriously affect normal production operations. [0003] Authorized notification number CN 204884623U discloses a wear-resistant and tensile cable, including high-strength fiber filaments, wires, mineral fire-proof layer, flame-retardant asbestos layer, galvanized wire, aramid braided layer and wear-resistant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/02H01B7/04H01B7/17H01B7/18H01B7/22
CPCH01B7/04H01B7/02H01B7/17H01B7/18H01B7/226
Inventor 郑生龙
Owner 扬州市轩煌铸造有限公司
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