CN216212434U

CN216212434U - Wear-resistant power cable

Info

Publication number: CN216212434U
Application number: CN202121617608.0U
Authority: CN
Inventors: 仇晓天
Original assignee: JIANGSU TIANYUAN CABLE CO Ltd
Current assignee: JIANGSU TIANYUAN CABLE CO Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-04-05
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a wear-resistant power cable, which belongs to the field of power cables and comprises a cable copper wire, wherein an insulating layer is arranged outside the cable copper wire, a connecting column is fixedly connected to the side surface of the insulating layer, a buffer layer is arranged outside the insulating layer, a shielding layer is arranged outside the buffer layer, a fireproof layer is arranged outside the shielding layer, a protective layer is arranged outside the fireproof layer, and an anti-corrosion layer is arranged outside the protective layer; through setting up the wearing layer, because chromium carbide combined material has high strength, the wearability is good, has avoided power cable to receive wearing and tearing and has taken place the problem of damaging to improve power cable's life, and through setting up anti-corrosion coating, because the epoxy coating has excellent corrosion resisting property, make various corrosive medium be difficult to permeate the surface of power cable, avoided power cable to take place the problem of corrosion damage, thereby improved power cable's anticorrosion effect.

Description

Wear-resistant power cable

Technical Field

The utility model belongs to the technical field of power cables, and particularly relates to a wear-resistant power cable.

Background

The cable is used for transmitting and distributing electric energy, the power cable is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, the proportion of the cable in the power line is gradually increased, the power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and the power cable comprises 1-500KV and above various voltage grades and various insulated power cables.

However, most of the existing power cables are prone to wear on the outer surface of the power cable in the using process, so that the power cable is damaged to cause potential safety hazards, and most of the existing power cables are prone to corrosion from the outside in the using process, so that the power cable is damaged to reduce the protection performance of the power cable.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a wear-resistant power cable, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a wear-resisting power cable, includes the cable copper line, the outside of cable copper line is provided with the insulating layer, the side fixedly connected with spliced pole of insulating layer, and the outside of insulating layer is provided with the buffer layer, the outside of buffer layer is provided with the shielding layer, the outside of shielding layer is provided with the flame retardant coating, the outside of flame retardant coating is provided with the protective layer, the outside of protective layer is provided with the anticorrosion layer, the outside of anticorrosion layer is provided with the wearing layer.

In a preferred embodiment, the insulating layer is laid outside the copper wires of the cable, and the material of the insulating layer is polyvinyl chloride material.

In a preferred embodiment, the buffer layer is laid outside the insulating layer, and the buffer layer is made of a rubber material.

In a preferred embodiment, the shielding layer is disposed outside the buffer layer, and the material of the shielding layer is a semi-conductive material.

In a preferred embodiment, the fire-proof layer is laid outside the shielding layer, and the material of the fire-proof layer is a halogen-free low-smoke flame-retardant polyolefin material.

In a preferred embodiment, the protective layer is laid outside the fire-proof layer, and the material of the protective layer is a galvanized low-carbon steel wire material.

In a preferred embodiment, the anti-corrosion layer is laid on the outside of the protective layer, and the material of the anti-corrosion layer is an epoxy resin paint.

In a preferred embodiment, the wear-resistant layer is laid outside the anti-corrosion layer, and the wear-resistant layer is made of a chromium carbide composite material.

Compared with the prior art, the utility model has the beneficial effects that:

according to the wear-resistant power cable, the wear-resistant layer is arranged, so that in the using process of the power cable, the chromium carbide composite material has high strength and good wear resistance, and the problem that the power cable is damaged due to wear is solved, so that the service life of the power cable is prolonged;

according to the wear-resistant power cable, the anti-corrosion layer is arranged, so that in the using process of the power cable, due to the excellent corrosion resistance of the epoxy resin coating, various corrosion media are difficult to permeate the surface of the power cable, the problem of corrosion damage of the power cable is avoided, and the anti-corrosion effect of the power cable is improved;

according to the wear-resistant power cable, the fireproof layer is arranged, so that in the using process of the power cable, the fireproof layer is made of the halogen-free low-smoke flame-retardant polyolefin material, and the halogen-free low-smoke flame-retardant polyolefin cable material has a plurality of excellent performances such as low smoke, low toxicity, flame retardance, low corrosivity and the like, so that the fireproof effect of the power cable is improved;

this wear-resisting power cable, through setting up the buffer layer, because the material of buffer layer is rubber materials, rubber materials has elasticity good and the effectual characteristics of buffering, can cushion external effort, has avoided too big effort to cause power cable to take place the problem of damaging to power cable's protectiveness has been improved.

Drawings

FIG. 1 is a front cross-sectional view of a structure of the present invention;

FIG. 2 is a side cross-sectional view of the structure of the present invention;

fig. 3 is an exploded view of a buffer layer according to the present invention.

In the figure: 1. a cable copper wire; 2. an insulating layer; 3. connecting columns; 4. a buffer layer; 5. a shielding layer; 6. a fire barrier layer; 7. a protective layer; 8. an anti-corrosion layer; 9. and a wear-resistant layer.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1 and 3, the present invention provides a wear-resistant power cable, including a cable copper wire 1, in order to improve the insulation effect of the power cable in the use process of the power cable, an insulation layer 2 may be laid outside the cable copper wire 1, and the insulation layer 2 is made of polyvinyl chloride material, so that in the use process of the power cable, polyethylene is widely used for insulation medium and insulation material due to its excellent electrical and mechanical properties, the current or electromagnetic wave and light wave transmitted by a conductor core only propagate along the wire and do not flow to the outside, and at the same time, the safety of external objects and personnel is ensured.

Please refer to fig. 1, in order to improve the buffering effect of the power cable in the using process of the power cable, the connecting column 3 can be fixedly connected to the side surface of the insulating layer 2, the buffer layer 4 is laid outside the insulating layer 2, the buffer layer 4 is made of rubber material, the power cable can be used in the using process, the buffer layer 4 is made of rubber material, the rubber material has the characteristics of good elasticity and good buffering effect, the external acting force can be buffered, the problem that the power cable is damaged due to the excessive acting force is avoided, and the protection of the power cable is improved.

Referring to fig. 1 and 2, in order to improve the shielding effect of the power cable on the electric field during the use of the power cable, the shielding layer 5 may be laid outside the buffer layer 4, and the shielding layer 5 is made of a semi-conductive material, so that in the use of the power cable, since the shielding layer 5 is made of the semi-conductive material, in order to uniform the electric field on the outer surface of the core, the problem of partial discharge between the conductor and the insulation due to the unsmooth surface of the conductor and the air gap generated by twisting of the core is avoided, and the problem of partial discharge between the conductor and the metal sheath due to the defects of cracks and the like on the insulation surface of the power cable is avoided, thereby improving the shielding effect of the power cable on the electric field.

Referring to fig. 1 and 2, in order to improve the fireproof effect of the power cable in the using process of the power cable, a fireproof layer 6 may be laid outside a shielding layer 5, and the fireproof layer 6 is made of a halogen-free low-smoke flame-retardant polyolefin material, and in the using process of the power cable, because the fireproof layer 6 is made of a halogen-free low-smoke flame-retardant polyolefin material, the halogen-free low-smoke flame-retardant polyolefin cable material is usually formed by adding a flame-retardant filler aluminum hydroxide and magnesium hydroxide to a polyolefin blend resin, a proper amount of antioxidant added to improve the heat-resistant life, and a smoke-generating amount to reduce the smoke generation amount during combustion, and adding some smoke-generating inhibitors to combine the material, and the material has a plurality of excellent performances such as low smoke, low toxicity, flame retardance, small corrosivity and the like, thereby improving the fireproof effect of the power cable.

Referring to fig. 1 and 2, in order to improve the protection effect on the power cable in the use process of the power cable, a protective layer 7 may be laid outside the fireproof layer 6, and the protective layer 7 is made of a galvanized low-carbon steel wire material, so that in the use process of the power cable, because the protective layer 7 is made of the galvanized low-carbon steel wire material, the deformation resistance effect of the power cable is enhanced, and the rigidity of the power cable is improved.

Referring to fig. 1 and 2, in order to improve the corrosion protection effect of the power cable in the using process of the power cable, an anti-corrosion layer 8 may be laid outside the protection layer 7, and the anti-corrosion layer 8 is made of an epoxy resin coating, so that in the using process of the power cable, because the anti-corrosion layer 8 is made of the epoxy resin coating, the epoxy resin coating has excellent corrosion resistance, various corrosion media are difficult to permeate to the surface of the power cable, the problem of corrosion damage of the power cable is avoided, and the corrosion protection effect of the power cable is improved.

Referring to fig. 1 and 3, in order to improve the wear-resistant effect of the power cable in the using process of the power cable, the wear-resistant layer 9 is laid outside the anti-corrosion layer 8, and the wear-resistant layer 9 is made of a chromium carbide composite material, so that the problem that the power cable is damaged due to abrasion is avoided because the chromium carbide composite material has high strength and good wear resistance, and the service life of the power cable is prolonged.

The working principle and the using process of the utility model are as follows: firstly, in the using process of the power cable, the buffer layer 4 is made of rubber materials which have the characteristics of good elasticity and good buffer effect and can buffer external acting force, so that the problem that the power cable is damaged due to excessive acting force is avoided, the protection performance of the power cable is improved, the wear-resistant layer 9 is made of chromium carbide composite materials which have high strength and good wear resistance, the problem that the power cable is damaged due to abrasion is avoided, the service life of the power cable is prolonged, the anti-corrosion layer 8 is made of epoxy resin coating, the epoxy resin coating has excellent corrosion resistance, various corrosion media are difficult to permeate to the surface of the power cable, the problem that the power cable is corroded and damaged is avoided, and the anti-corrosion effect of the power cable is improved, because the protective layer 7 is made of galvanized low-carbon steel wire material, the anti-deformation effect of the power cable is enhanced, and the rigidity of the power cable is improved, because the fireproof layer 6 is made of halogen-free low-smoke flame-retardant polyolefin material, and the halogen-free low-smoke flame-retardant polyolefin cable material is usually formed by combining polyolefin blend resin, flame-retardant fillers of aluminum hydroxide and magnesium hydroxide, and a proper amount of antioxidant added for improving the heat-resistant service life, and smoke generation amount during combustion of the polyolefin blend resin, and a certain smoke generation inhibitor added for reducing the smoke generation amount, the fireproof cable has excellent performances of low smoke, low toxicity, flame retardance, small corrosivity and the like, so that the fireproof effect of the power cable is improved, because the shielding layer 5 is made of semi-conductive material, in order to uniform the electric field of the outer surface of a wire core, the partial discharge of a conductor and insulation caused by an air gap generated by the unsmooth surface of the wire core and the twisting of the wire core is avoided, and the problem of the partial discharge with a metal sheath caused by the defects of the cracks and the insulating surface of the wire cable is solved, thereby improving the shielding effect of the power cable to the electric field.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wear-resisting power cable, includes cable copper line (1), its characterized in that: the utility model discloses a cable copper line, including cable copper line (1), side fixedly connected with spliced pole (3) of insulating layer (2), and the outside of insulating layer (2) is provided with buffer layer (4), the outside of buffer layer (4) is provided with shielding layer (5), the outside of shielding layer (5) is provided with flame retardant coating (6), the outside of flame retardant coating (6) is provided with protective layer (7), the outside of protective layer (7) is provided with anti-corrosion coating (8), the outside of anti-corrosion coating (8) is provided with wearing layer (9).

2. A wear resistant electrical cable as claimed in claim 1, wherein: the insulating layer (2) is laid outside the cable copper wire (1), and the insulating layer (2) is made of polyvinyl chloride materials.

3. A wear resistant electrical cable as claimed in claim 1, wherein: the buffer layer (4) is paved outside the insulating layer (2), and the buffer layer (4) is made of rubber materials.

4. A wear resistant electrical cable as claimed in claim 1, wherein: the shielding layer (5) is laid outside the buffer layer (4), and the material of the shielding layer (5) is a semi-conductive material.

5. A wear resistant electrical cable as claimed in claim 1, wherein: the fireproof layer (6) is laid outside the shielding layer (5), and the fireproof layer (6) is made of a halogen-free low-smoke flame-retardant polyolefin material.

6. A wear resistant electrical cable as claimed in claim 1, wherein: the protective layer (7) is paved outside the fireproof layer (6), and the protective layer (7) is made of galvanized low-carbon steel wire materials.

7. A wear resistant electrical cable as claimed in claim 1, wherein: the anti-corrosion layer (8) is paved outside the protective layer (7), and the anti-corrosion layer (8) is made of epoxy resin paint.

8. A wear resistant electrical cable as claimed in claim 1, wherein: the wear-resistant layer (9) is paved outside the anti-corrosion layer (8), and the wear-resistant layer (9) is made of a chromium carbide composite material.