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Anti-bending flexible cable of shearer

A shearer and flexible cable technology, applied in the direction of bendable cables, insulated cables, bendable conductors, etc., can solve the problems of poor bending flexibility, easy to be broken, etc., so as to improve the bending flexibility and increase the bending performance. , to ensure the effect of normal operation

Active Publication Date: 2015-04-08
江苏工匠电气科技有限公司
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of poor bending flexibility and easy breakage of existing shearer flexible cables, the invention provides a bending-resistant shearer flexible cable. After being mechanically bent, the bending radius of the cable is less than three times the cable diameter , extremely flexible, suitable for coal mining with low coal seam shearer

Method used

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  • Anti-bending flexible cable of shearer

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Embodiment Construction

[0009] Such as figure 1 As shown, a flexible cable for a bending-resistant coal shearer includes a power line wrapped in an outer sheath 1, a ground wire 7 and a control line; the power line is composed of a power line conductor 5, and a poly The polyester tape 4, the power line insulation layer 3 wrapped outside the polyester tape 4, and the shielding layer 2 wrapped outside the power line insulation layer 3 are formed. The control line is composed of a control line conductor 10 , an insulating layer 9 and a control line core sheath 8 . Each phase of the power line conductor 5 is composed of three multi-strand tinned copper wire bundles twisted and arranged in an arc shape; a reinforcing core 6 is arranged at the center of the power line conductor 5; Core sheath surface.

[0010] In this embodiment, the outer sheath 1 is extruded from a chlorinated polyethylene material that is flame-retardant, flex-resistant, heat-resistant, and chemical-resistant. The shielding layer 2 i...

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Abstract

The invention discloses an anti-bending flexible cable of a shearer and relates to a cable. The flexible cable comprises power wires wrapped inside an external protective sleeve, a grounding wire and control wires, wherein the power wires are formed by power wire conductors, polyester bands wrapped outside the power wire conductors, power wire insulation layers wrapped outside the polyester bands and shielding layers wrapped outside the power wire insulation layers; the control wires are formed by control wires conductors, insulation layers and control wire core protective layers; each phase of the power wire conductors is formed by three multistrand tinned copper wires which are twisted in parallel to be arc-shaped; reinforced cores are arranged at the centers of the power wire conductors; and the grounding wire adopts a tinned copper wire and is knitted on the surface of the control wire core protective layer. The invention has advantages that the overall external diameter of the flexible cable is reduced, the bending radius of flexibility of the cable is improved by less than three times, flexibility performance of the cable is enhanced, and service life of the cable is prolonged.

Description

technical field [0001] The invention relates to a cable, in particular to a bending-resistant flexible cable for a coal shearer. Background technique [0002] The known shearer cable includes a sheath layer, a power line conductor with a three-core structure and a cylindrical shape, a ground core and a control core, and can only be used in places where the bending radius is not less than 6 times the cable diameter. The produced shearer soft cable has poor bending flexibility and is easy to be broken, so it cannot be adapted to coal mining by low coal seam shearer. Contents of the invention [0003] In order to overcome the defects of poor bending flexibility and easy breakage of existing shearer flexible cables, the invention provides a bending-resistant shearer flexible cable. After being mechanically bent, the bending radius of the cable is less than three times the cable diameter , extremely flexible, suitable for coal mining with low seam shearer. [0004] Th...

Claims

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Application Information

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IPC IPC(8): H01B7/00H01B7/04H01B7/17H01B7/18
Inventor 毕可进宋学才
Owner 江苏工匠电气科技有限公司
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