CN211907019U

CN211907019U - Wear-resisting tensile power cable

Info

Publication number: CN211907019U
Application number: CN202020396478.1U
Authority: CN
Inventors: 祁建强
Original assignee: Xinjiang Taifengda Material Technology Co ltd
Current assignee: Xinjiang Taifengda Material Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-10
Anticipated expiration: 2030-03-25

Abstract

The utility model belongs to the technical field of the power cable technique and specifically relates to a wear-resisting tensile power cable, including wire rope, wire rope outside spiral is provided with five conductor wires, and the five conductor wire outsides are provided with the filling layer, and the filling layer outside is provided with the second insulating layer, and the even cross section in the second insulating layer outside is the rubber supporting beam that L form, and a plurality of rubber supporting beam outside covers is equipped with the third insulating layer, and the third insulating layer outside is provided with the metallic shield layer, and the metallic shield layer outside is provided with the fire-retardant layer of preventing fires, and the fire-retardant layer outside cover of preventing fires. The utility model discloses have good tensile ability, the wearability obtains improving simultaneously, improves power cable's life.

Description

Wear-resisting tensile power cable

Technical Field

The utility model relates to a power cable technical field especially relates to a wear-resisting tensile power cable.

Background

The power cable has different application occasions and different use characteristics and requirements on the power cable, mechanical equipment is in the operation process, the cable is subjected to friction in different degrees and mechanical stress effects such as high-strength tension, the structural strength and the mechanical performance of the traditional cable cannot meet the normal production operation of the equipment easily, the cable core is prone to fracture, and safety accidents are caused seriously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the wear-resisting tensile power cable who proposes makes it have good tensile ability, and the wearability obtains improving simultaneously, improves power cable's life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a wear-resistant tensile power cable, which comprises a steel wire rope, wherein five conductive wires are spirally arranged on the outer side of the steel wire rope, and filling layers are arranged on the outer sides of the five conductive wires; a second insulating layer is arranged on the outer side of the filling layer, and a rubber supporting beam with an L-shaped cross section is uniformly arranged on the outer side of the second insulating layer; a third insulating layer is sleeved outside the plurality of rubber supporting beams, and a metal shielding layer is arranged outside the third insulating layer; the metal shielding layer outside is provided with fire prevention fire-retardant layer, and fire prevention fire-retardant layer outside cover is equipped with the polytetrafluoroethylene oversheath.

Preferably, the steel wire rope is sleeved with a buffer rubber layer.

Preferably, the conductive wire is composed of a plurality of conductive wires, a first insulating layer and a braided cotton rope; a plurality of wires are arranged on the outer side of the woven cotton rope, and a first insulating layer is sleeved on the outer side of each wire.

Preferably, the filling layer is composed of a plurality of polyvinyl chloride fiber ropes.

Preferably, the metal shielding layer is formed by mutually crossing and weaving a plurality of metal weaving ropes.

The utility model provides a pair of wear-resisting tensile power cable, beneficial effect lies in: the utility model discloses in be provided with five conductor wires through spiral in the wire rope outside, certain buffering length has when making five conductor wires tensile, thereby make power cable have good pull resistance, through the rubber supporting beam who personally submits the L form in the even cross section in the second insulating layer outside, a plurality of rubber supporting beam outside covers are equipped with the third insulating layer, make to constitute deformation space between third insulating layer and the second insulating layer, avoid the conductor wire pressurized and deformation damage, be provided with fire prevention flame retardant coating through being provided with the fire prevention flame retardant coating in the metallic shield layer outside, fire prevention flame retardant coating outside cover is equipped with the polytetrafluoroethylene oversheath, make power cable's wearability obtain improving, thereby improve power cable's life.

Drawings

Fig. 1 is a schematic structural view of a wear-resistant tensile power cable provided by the utility model;

fig. 2 is the utility model provides a shielding layer structure sketch map among wear-resisting tensile power cable.

In the figure: the cable comprises a steel wire rope 1, a conductive wire 2, a filling layer 3, a second insulating layer 4, a rubber supporting beam 5, a third insulating layer 6, a metal shielding layer 7, a fireproof flame-retardant layer 8, a polytetrafluoroethylene outer sheath 9, a buffer rubber layer 10, a braided cotton rope 11, a lead 12, a first insulating layer 13 and a metal braided rope 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a wear-resisting tensile power cable, includes wire rope 1, and wire rope 1 outside spiral is provided with five conductor wires 2, and conductor wire 2 comprises a plurality of wires 12, first insulation layer 13 and weaves cotton rope 11, weaves the cotton rope 11 outside and is provided with a plurality of wires 12, and a plurality of wires 12 outside cover is equipped with first insulation layer 13, carries out the atress buffering to a plurality of wires 12 through weaving cotton rope 11, avoids wire 12 to bear the too big fracture of pulling force.

The 2 outsides of five conductor wires are provided with filling layer 3, and filling layer 3 comprises a plurality of polyvinyl chloride fibre ropes, and the 3 outsides of filling layer are provided with second insulating layer 4, and the even cross-section in the 4 outsides of second insulating layer is the rubber supporting beam 5 that L describes, and the 5 outside covers of a plurality of rubber supporting beams are equipped with third insulating layer 6, avoids power cable pressurized and deformation damage through the supporting role of rubber supporting beam 5.

The metal shielding layer 7 is arranged on the outer side of the third insulating layer 6, the metal shielding layer 7 is formed by mutually and crossly weaving a plurality of metal weaving ropes 14, and the influence of a magnetic field on the conducting wire 2 is avoided through the metal shielding layer 7.

The metal shielding layer 7 outside is provided with fire prevention fire-retardant layer 8, and the fire prevention fire-retardant layer 8 outside cover is equipped with polytetrafluoroethylene oversheath 9, makes power cable have the fire behavior through fire prevention fire-retardant layer 8, makes power cable have stronger wearability through polytetrafluoroethylene oversheath 9 simultaneously.

The buffer rubber layer 10 is sleeved outside the steel wire rope 1, and the buffer rubber layer 10 is used for buffering to prevent the electric wire 2 from being directly extruded and damaged with the steel wire rope 1.

The working principle is as follows: when dragging, utilize and weave cotton rope 11 and carry out the atress buffering to a plurality of wires 12, avoid wire 12 to bear the too big fracture of pulling force, thereby make conductor wire 2 have good pull resistance, utilize the buffering rubber layer 10 to cushion simultaneously and avoid conductor wire 2 direct and 1 direct extrusion damage of wire rope, utilize the supporting role of rubber supporting beam 5, make and constitute deformation space between third insulating layer 6 and second insulating layer 4, and then avoid conductor wire 2 pressurized and deformation damage, utilize metallic shield layer 7 to avoid conductor wire 2 to receive the influence of magnetic field, utilize fire-retardant layer 8 to make power cable have the fire proofness, utilize polytetrafluoroethylene oversheath 9 to make power cable have stronger wearability simultaneously.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The wear-resistant tensile power cable comprises a steel wire rope (1), and is characterized in that five conductive wires (2) are spirally arranged on the outer side of the steel wire rope (1), and filling layers (3) are arranged on the outer sides of the five conductive wires (2); a second insulating layer (4) is arranged on the outer side of the filling layer (3), and a rubber supporting beam (5) with an L-shaped uniform cross section is arranged on the outer side of the second insulating layer (4); a third insulating layer (6) is sleeved outside the plurality of rubber supporting beams (5), and a metal shielding layer (7) is arranged outside the third insulating layer (6); the metal shielding layer (7) outside is provided with fire prevention fire-retardant layer (8), and fire prevention fire-retardant layer (8) outside cover is equipped with polytetrafluoroethylene oversheath (9).

2. A wear-resistant tensile power cable according to claim 1, wherein said steel cord (1) is sheathed with a cushion rubber layer (10).

3. A wear-resistant and tensile-resistant power cable according to claim 1, wherein the conductive wire (2) is composed of a plurality of conductive wires (12), a first insulating layer (13) and a braided cotton rope (11); a plurality of wires (12) are arranged on the outer side of the woven cotton rope (11), and a first insulating layer (13) is sleeved on the outer side of the plurality of wires (12).

4. A wear-resistant and tensile-resistant power cable according to claim 1, wherein the filler layer (3) is composed of several polyvinyl chloride fiber ropes.

5. A wear-resistant and tensile-resistant power cable according to claim 1, wherein said metallic shielding layer (7) is braided by a number of metallic braided cords (14) crossing each other.