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A flat combined drag chain cable and its preparation method

A towline cable, flat technology, applied in the field of flat combined towline cable and its preparation, can solve the limitation of the drag chain system wire and cable adaptability and scope of application, service life, limited bending and tearing resistance, wire Problems such as the inability to make adaptive adjustments to the cables, so as to achieve the effect that the physical and electrical properties are not affected, the installation and operation problems are reduced, and the bending ability is enhanced.

Active Publication Date: 2017-05-10
ANHUI LIANJIAXIANG SPECIAL CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the conductor part of the core wire inside the wire and cable of the existing towline system is made of twisted thick copper wire, the service life, bending resistance and tear resistance are very limited, and it is easy to break and affect the physical and electrical properties of the cable; And when the requirements of the existing drag chain system are different, such as when the actual application requires changes in the number of internal core wires, the existing drag chain system wires and cables cannot be adjusted adaptively, and the internal structure and production need to be readjusted and adjusted. design, which greatly limits the adaptability and scope of application of wires and cables in existing towline systems

Method used

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  • A flat combined drag chain cable and its preparation method
  • A flat combined drag chain cable and its preparation method
  • A flat combined drag chain cable and its preparation method

Examples

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preparation example Construction

[0047] The present application also provides a preparation method of the towline cable. Since the process control conditions in the preparation process of the towline cable are in the prior art, details will not be repeated here. Wherein, the preparation method comprises the following steps:

[0048] S1. Conductor preparation: the conductor material is drawn and twisted to obtain the conductor 23 .

[0049] Specifically, conductor preparation includes three sub-steps: material selection, wire drawing and stranding. Material selection: Select the conductor material used according to the requirements of preparing different cables, such as choosing an electrical round copper rod as the conductor material; wire drawing: draw and anneal the conductor material to obtain annealed oxygen-free copper wire, the diameter of the annealed oxygen-free copper wire 0.15 mm; Stranding: The annealed oxygen-free copper wires obtained by wire drawing are twisted into conductors 23 by harness twi...

Embodiment 1

[0055] S1. Conductor preparation: the conductor material is drawn and twisted to obtain the conductor 23;

[0056] S2. Extruding the insulation layer: using an extrusion mold to coat the insulation layer 24 made of nitrile polyvinyl chloride composite material on the outside of the conductor 23 to obtain the insulated core wire 22;

[0057] Among them, the nitrile polyvinyl chloride composite material includes in parts by mass: 15 parts of nitrile rubber, 105 parts of polyvinyl chloride, 3 parts of zinc oxide, 1 part of anti-aging agent RD, 3 parts of stearic acid, 30 parts of clay and diphthalic acid 20 parts of octyl;

[0058] S3. Wire core preparation: multiple insulating core wires 22 and at least one rubber strip 21 are twisted into a wire core 2, the number of insulating core wires 22 is six, and the number of rubber strips 21 is one;

[0059] S4. Extruded sheath layer: the sheath layer 1 made of nitrile polyvinyl chloride composite material is evenly coated on the outs...

Embodiment 2

[0062] S1. Conductor preparation: the conductor material is drawn and twisted to obtain the conductor 23;

[0063] S2. Extruding the insulation layer: using an extrusion mold to coat the insulation layer 24 made of nitrile polyvinyl chloride composite material on the outside of the conductor 23 to obtain the insulated core wire 22;

[0064] Among them, the nitrile polyvinyl chloride composite material includes in parts by mass: 35 parts of nitrile rubber, 85 parts of polyvinyl chloride, 5 parts of zinc oxide, 1 part of anti-aging agent RD, 3 parts of stearic acid, 45 parts of clay and diphthalic acid 30 parts of octyl;

[0065] S3. Wire core preparation: multiple insulating core wires 22 and at least one rubber strip 21 are twisted into a wire core 2, the number of insulating core wires 22 is six, and the number of rubber strips 21 is one;

[0066] S4. Extruded sheath layer: the sheath layer 1 made of nitrile polyvinyl chloride composite material is evenly coated on the outsi...

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Abstract

The present invention discloses a flat combination drag chain cable and a preparation method thereof. The flat combination drag chain cable comprises a plurality of wire cores, and at least one steel wire embedded among a plurality of the wire cores; protective layers coat the wire cores and the steel wire; the wire cores are formed by twisting a plurality of insulation core wires and at least one adhesive tape; the insulation core wires include a group of conductors, formed by kinking a plurality of conductors, and an insulation layer coating outside the group of conductors; the conductors are formed by bunch stranding of a plurality of copper wires, the diameter of each wire of the copper wires is less than 0.2mm, and the twisting direction of the bunch stranding of a plurality of copper wires is the left direction. The flat combination drag chain cable provided by the invention has high anti-bending capability and is not able to break after more than million of times of back-and-forth bending motions, so that the physical property and the electrical property of the cable are not influenced.

Description

technical field [0001] The invention relates to the technical field of power cables, and more specifically, to a flat combined drag chain cable and a preparation method thereof. Background technique [0002] With the improvement of electrical automation, there are more and more occasions where equipment units need to move back and forth. In order to prevent cables from being entangled, worn, pulled off, and broken, cables are often placed in cable drag chains to protect the cables. In actual use, the wires and cables of the towline system are often bent back and forth along with the towline, which puts forward high requirements on the bending and tear resistance of the wires and cables of the towline system. [0003] However, the conductor part of the core wire inside the wire and cable of the existing towline system is made of twisted thick copper wire, the service life, bending resistance and tear resistance are very limited, and it is easy to break and affect the physical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B9/00H01B7/08H01B7/02H01B9/02H01B5/08H01B7/18H01B3/44H01B13/00
Inventor 黄冬莲
Owner ANHUI LIANJIAXIANG SPECIAL CABLE
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