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Method for manufacturing enhanced flat cable for wagon dumper

A manufacturing method and reinforced technology, which are used in the manufacture of cables/conductors, insulation of conductors/cables, circuits, etc., can solve the problems of cracking of the sheath layer and the inability to provide tensile strength of the cable, and achieve the improvement of longitudinal tensile strength, High mechanical stress, the effect of improving flexibility

Active Publication Date: 2013-03-13
SICHUAN MINGXING CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reinforced steel wire rope of this flat cable is arranged on both sides of the core, which will cause the sheath layer to crack under long-term work, and cannot provide a guarantee for tensile strength of the cable.

Method used

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  • Method for manufacturing enhanced flat cable for wagon dumper

Examples

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Effect test

Embodiment 1

[0024] A method for manufacturing reinforced flat cables for car dumpers, characterized in that the manufacturing process is as follows: material selection—wire drawing—conductor stranding—isolating layer wrapping—insulating layer extruding—wire forming cable—wire group primary shielding—wire Group secondary shielding—outer sheath extrusion—performance testing—finished product. The conductor stranding adopts a steel wire rope in the center layer, and a twisted copper wire strand in the outer layer. double the stranding pitch to form a conductor, the diameter of the steel wire rope must ensure that the arrangement structure of the outer layer conductor is suitable; Weaving on wire machine and high-speed braiding machine, 7 thin round copper wires per strand, braiding angle 65° o , The weaving density of primary shielding is 80%, and the weaving density of secondary shielding is 85%.

[0025] The raw material selected in the material selection is an electrical round copper rod....

Embodiment 2

[0037]A method for manufacturing reinforced flat cables for car dumpers, characterized in that the manufacturing process is as follows: material selection—wire drawing—conductor stranding—isolating layer wrapping—insulating layer extruding—wire forming cable—wire group primary shielding—wire Group secondary shielding—outer sheath extrusion—performance testing—finished product. The conductor stranding adopts a steel wire rope in the center layer, and a twisted copper wire strand in the outer layer. double the stranding pitch to form a conductor, the diameter of the steel wire rope must ensure that the arrangement structure of the outer layer conductor is suitable; Weaving on wire machine and high-speed braiding machine, 6 thin round copper wires per strand, braiding angle 55° o , The weaving density of primary shielding is 90%, and the weaving density of secondary shielding is 85%.

[0038] The raw material selected in the material selection is an electrical round copper rod. ...

Embodiment 3

[0050] A method for manufacturing reinforced flat cables for car dumpers, characterized in that the manufacturing process is as follows: material selection—wire drawing—conductor stranding—isolating layer wrapping—insulating layer extruding—wire forming cable—wire group primary shielding—wire Group secondary shielding—outer sheath extrusion—performance testing—finished product. The conductor stranding adopts a steel wire rope in the center layer and a twisted copper wire strand in the outer layer. double the stranding pitch to form a conductor, the diameter of the steel wire rope must ensure that the arrangement structure of the outer layer conductor is suitable; Weaving on wire machine and high-speed braiding machine, paralleling 5 thin round copper wires per share, braiding angle 60° o , The weaving density of primary shielding is 90%, and the weaving density of secondary shielding is 95%.

[0051] The raw material selected in the material selection is an electrical round c...

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Abstract

The invention discloses a method for manufacturing an enhanced flat cable for a wagon dumper, and the method is characterized by comprising the following steps: material selection, wire drawing, conductor twisting, winding and wrapping of an isolating layer, extrusion of the insulating layer, cabling of wiring harness, primary shield of wiring harness, secondary shield of wiring harness, extrusion of an outer sheath, performance detection and finished products. In the method, the conductor center of the cable is provided with a steel wire rope stiffener so as to improve the longitudinal stretching resistance of the cable; and a wire braid is used as a metal shielding layer, the primary shielding braid density is not less than 80%, and the secondary shielding braid density is not less than 85%, thus not only improving shielding factors of a cable core but also providing effective physical and mechanical protective actions for the cable. The cable manufactured by the method has the advantages of good flexibleness, salt mist resistance, greasy dirt resistance and inflaming retarding property, no cracking and no deformation for long term use, and no core breaking at the movable operating mode speed of 1.2m / s.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a method for manufacturing flat cables suitable for car dumpers. Background technique [0002] In the C-type dumper system currently in use, the accompanying cables of equipment such as readjustment, air conditioning, and relocation platforms are outdoors for a long time, exposed to the sun, rain, and wind, and the environment is harsh. The outer sheath of ordinary cables will soon crack and peel off. And the cable is easy to crack, deform, and break the core under the long-term harsh working environment. In the past, the flat cable used for the dumper was strengthened by placing steel wire ropes on both sides of the cable. Under long-term operation of the cable, the sheath layer would crack; and the braiding and shielding process of the flat cable generally used copper wire braiding for primary shielding, and the braiding density was ≥80%. . The shielding effect is insufficient...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/02H01B13/14H01B13/22
Inventor 黄静李广元沈卢东盛业武陈光高沈智飞周兴富
Owner SICHUAN MINGXING CABLE
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