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Anti-interference shielding communication tow-chain cable and preparation method thereof

A drag chain cable and cable technology, applied in the direction of cable/conductor manufacturing, insulated cables, flexible cables, etc., can solve the problems of easy breakage, service life, limited bending and tearing resistance, and influence on the physical and electrical properties of cables. Performance and other issues, to achieve the effect of strong mechanical properties and insulation properties, prolong service life, and strong bending resistance

Inactive Publication Date: 2016-06-08
SHENZHEN LIANJIAXIANG SCI & TECH
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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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  • Anti-interference shielding communication tow-chain cable and preparation method thereof
  • Anti-interference shielding communication tow-chain cable and preparation method thereof

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preparation example Construction

[0050] The present application also provides a method for preparing an anti-interference shielded communication towline cable. Since the process control conditions in the preparation process of the towline cable are prior art, details will not be repeated here. Wherein, the preparation method comprises the following steps:

[0051] S1. Conductor preparation: the conductor material is drawn and twisted to obtain the conductor group 11 .

[0052] Specifically, the preparation of the conductor 13 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 0.18mm; stranding: the annealed oxygen-free copper wire obtained by wire dra...

Embodiment 1

[0060] S1. Conductor preparation: the conductor material is drawn and twisted to obtain the conductor group 11 .

[0061] S2. Extruded insulation layer: the seven conductor groups 11 are coated with an insulation layer 12 made of nitrile polyvinyl chloride composite material by using an extrusion mold to obtain an insulated core wire 10 .

[0062] Among them, 20 parts of nitrile rubber, 95 parts of polyvinyl chloride, 4 parts of zinc oxide, 2 parts of antioxidant RD, 2 parts of stearic acid, 30 parts of clay and 25 parts of dioctyl phthalate.

[0063] S3. Wrapping the first isolation layer: twist four insulated core wires 10 to obtain the cable inner core 1, and evenly wrap the first isolation layer 2 on the outside of the cable inner core 1. The first isolation layer 2 is wrapped by tissue paper material Packaged.

[0064] S4. Extruding the inner sheath: uniformly covering the inner sheath 3 made of nitrile polyvinyl chloride composite material on the outside of the first is...

Embodiment 2

[0071] S1. Conductor preparation: the conductor material is drawn and twisted to obtain the conductor group 11 .

[0072] S2. Extruded insulation layer: the seven conductor groups 11 are coated with an insulation layer 12 made of nitrile polyvinyl chloride composite material by using an extrusion mold to obtain an insulated core wire 10 .

[0073] Among them, 40 parts of nitrile rubber, 75 parts of polyvinyl chloride, 2 parts of zinc oxide, 2 parts of antioxidant RD, 5 parts of stearic acid, 45 parts of clay and 30 parts of dioctyl phthalate.

[0074] S3. Wrapping the first isolation layer: twist four insulated core wires 10 to obtain the cable inner core 1, and evenly wrap the first isolation layer 2 on the outside of the cable inner core 1. The first isolation layer 2 is wrapped by tissue paper material Packaged.

[0075] S4. Extruding the inner sheath: uniformly covering the inner sheath 3 made of nitrile polyvinyl chloride composite material on the outside of the first is...

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Abstract

The invention discloses an anti-interference shielding communication tow-chain cable and a preparation method thereof. The cable comprises a cable inner core, a first isolation layer, an inner sheath layer, a braiding layer, a second isolating layer and an outer sheath layer, wherein the first isolation layer, the inner sheath layer, the braiding layer, the second isolating layer and the outer sheath layer coat the cable inner core successively from inside to outside. The cable inner core is formed by twisting by a plurality of insulation core wires; the insulation core wires include conductor groups and insulation layers coating the conductor groups; and the conductor groups are formed by twisting of a plurality of conductors and the conductors are formed by bunch stranding of a plurality of copper wires, wherein the diameters of the monofilaments of the copper wires are less than 0.18mm. According to the invention, the cable has the following beneficial effects: the cable has the excellent anti-bending capability; fracturing can be prevented even after reciprocating bending motions of millions of times; and thus the physical and electrical performances of the cable can be protected from being affected.

Description

technical field [0001] The invention relates to the technical field of power cables, and more specifically relates to an anti-interference shielded communication towline cable and a preparation method thereof. Background technique [0002] With the improvement of the degree of electrical automation, the automation of equipment units is more and more widely used, and there are more and more occasions where equipment units need to move back and forth. In the chain, the cable is protected. 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 ph...

Claims

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Application Information

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IPC IPC(8): H01B7/04H01B7/17H01B7/18H01B7/02H01B13/02
Inventor 黄冬莲
Owner SHENZHEN LIANJIAXIANG SCI & TECH