CN220085681U

CN220085681U - Corrosion-resistant low-voltage overhead cable

Info

Publication number: CN220085681U
Application number: CN202321210119.2U
Authority: CN
Inventors: 刘继隆; 刘少强; 马刚; 马孜燕; 袁忠; 郑云鹰
Original assignee: Xinjiang Zhongchao New Energy Electric Power Technology Co ltd
Current assignee: Xinjiang Zhongchao New Energy Electric Power Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-11-24
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a corrosion-resistant low-voltage overhead cable, which belongs to the technical field of overhead cables and comprises a cable body, steel wires and a wire core conductor, wherein a reinforcing layer for reinforcing the appearance toughness of the cable body is pressed on the inner surface of the cable body; the inner side surface of the reinforcing layer is connected with a corrosion-resistant layer in a pressing manner; an insulating wrapping layer for wrapping and protecting the steel wire and the wire core conductor is pressed on the inner side surface of the corrosion-resistant layer; through setting up parts such as cable body, enhancement layer and corrosion-resistant layer and cooperating and use to be convenient for play toughness reinforcing's effect to the cable body, and also be convenient for play corrosion-resistant protection to cable body inside sinle silk conductor and steel wire, so that extension sinle silk conductor and steel wire's life.

Description

Corrosion-resistant low-voltage overhead cable

Technical Field

The utility model relates to the technical field of overhead cables, in particular to a corrosion-resistant low-voltage overhead cable.

Background

An overhead cable (known as overhead insulated cable) is an overhead conductor with an insulating layer and a protective sheath, and is a special cable manufactured by adopting a cross-linked cable production process, and is a new transmission mode between the overhead conductor and an underground cable. The overhead cable is single-core and can be divided into a hard aluminum wire structure, a hard drawn copper wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core grain structure (the wire core can be hard aluminum or hard copper wire) and the like according to the different structures.

Through searching, in the prior art, chinese patent application number: CN201821564999.2, discloses a flexible low-voltage overhead cable, which is characterized in that: the cable wrapping machine comprises a sheath layer and a wrapping belt layer from outside to inside, wherein the wrapping belt layer is internally provided with a plurality of conductors and steel wires, and filling is arranged between the conductors and the steel wires; the conductor is formed by twisting thin and soft round aluminum wire material bundles into strands, and each layer of strands and the strands are stranded in the same direction; the steel wire is made of phosphorized steel wire materials; insulation is arranged outside the conductor and the steel wire; the conductor and the steel wire are coated with the high-elasticity insulating layer to ensure the bending performance of the wire core and the steel wire, the coated insulating steel wire and the insulating wire core are twisted into a cable, the steel wire not only plays a role of supporting the wire core, but also improves the bending performance relative to the directly-placed steel wire, and the problem of stress concentration between the steel wire and the wire core is solved under the condition that the cable core swings.

In the prior art, the wire core and the steel wire inside the low-voltage overhead cable are not corrosion-resistant, so that the service lives of the wire core and the steel wire inside the cable are easily prolonged, and the loss is further increased.

Disclosure of Invention

The utility model aims to provide a corrosion-resistant low-voltage overhead cable, which is convenient for playing a role in enhancing toughness of a cable body and also convenient for playing a role in protecting corrosion resistance of a wire core conductor and a steel wire in the cable body by arranging components such as the cable body, a reinforcing layer, a corrosion-resistant layer and the like for use in a matched manner, so that the service lives of the wire core conductor and the steel wire are prolonged; to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the corrosion-resistant low-voltage overhead cable comprises a cable body, steel wires and a wire core conductor, wherein a reinforcing layer for reinforcing the appearance toughness of the cable body is pressed on the inner surface of the cable body; the inner side surface of the reinforcing layer is connected with a corrosion-resistant layer in a pressing manner; and an insulating tape layer for wrapping and protecting the steel wire and the wire core conductor is pressed on the inner side surface of the corrosion-resistant layer.

Preferably, a first insulating sleeve for insulating, protecting and fixing the steel wire is arranged above the inner part of the insulating wrapping tape layer.

Preferably, the steel wire is wound around the inside of the first insulating sleeve.

Preferably, two ends of the lower part of the inner part of the insulating wrapping tape layer are provided with second insulating sleeves for insulating, protecting and fixing the wire core conductors.

Preferably, the second insulating sleeve is internally wound and fixed with a wire core conductor for conducting electricity and working.

Preferably, fiber rope materials for increasing the tensile strength of the cable body are filled between the insulating wrapping tape layer and the first insulating sleeve and between the insulating wrapping tape layer and the second insulating sleeve.

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

the utility model discloses a set up parts cooperation such as cable body, enhancement layer and corrosion-resistant layer and use to be convenient for play the effect that toughness was strengthened to cable body, and also be convenient for play corrosion resistance's protection to cable body inside sinle silk conductor and steel wire, so that prolong sinle silk conductor and steel wire's life.

Drawings

FIG. 1 is a schematic view of a cable structure of the present utility model;

fig. 2 is a schematic diagram of the internal structure of the cable according to the present utility model.

In the figure: 1. a cable body; 2. a reinforcing layer; 3. a corrosion resistant layer; 4. an insulating tape layer; 5. a first insulating sleeve; 6. a steel wire; 7. a core conductor; 8. a second insulating sleeve; 9. a fiber rope material.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: a corrosion-resistant low-voltage overhead cable comprises a cable body 1, steel wires 6 and a wire core conductor 7, wherein a reinforcing layer 2 for reinforcing the appearance toughness of the cable body 1 is pressed on the inner surface of the cable body 1; the inner side surface of the reinforcing layer 2 is connected with a corrosion-resistant layer 3 in a pressing manner; the corrosion-resistant layer 3 is a covering layer coated on the metal surface (or rubber pipeline) to isolate the metal surface from surrounding medium so as to control the corrosion of the pipeline; the water-based paint has good electrical insulation property and water-proof property, has stronger adhesive force with the surface of a pipeline, can resist chemical damage and has certain mechanical strength; an insulating tape layer 4 for wrapping and protecting the steel wire 6 and the wire core conductor 7 is pressed on the inner side surface of the corrosion-resistant layer 3; the cable body 1, the reinforcing layer 2, the corrosion-resistant layer 3 and other components are matched for use, so that the toughness of the cable body 1 is enhanced, the corrosion resistance of the wire core conductor 7 and the steel wire 6 in the cable body 1 is protected, and the service lives of the wire core conductor 7 and the steel wire 6 are prolonged;

a first insulating sleeve 5 for insulating and protecting and fixing the steel wires 6 is arranged above the inside of the insulating tape layer 4, the steel wires 6 are wound and sleeved in the first insulating sleeve 5, and the first insulating sleeve 5 is arranged, so that the steel wires 6 in the cable body 1 are conveniently wound and protected, and a certain insulating and protecting effect is achieved;

two ends of the lower part of the inside of the insulating tape layer 4 are provided with second insulating sleeves 8 for insulating, protecting and fixing the wire core conductors 7, and the wire core conductors 7 for conducting use are wound and fixed in the second insulating sleeves 8; the fiber rope material 9 for increasing the tensile strength of the cable body 1 is filled between the insulating tape layer 4 and the first insulating sleeve 5 and the second insulating sleeve 8.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 corrosion-resistant low pressure overhead cable, includes cable body (1), steel wire (6) and sinle silk conductor (7), its characterized in that: the inner surface of the cable body (1) is pressed with a reinforcing layer (2) for reinforcing the appearance toughness of the cable body (1);

the inner side surface of the reinforcing layer (2) is connected with a corrosion-resistant layer (3) in a pressing manner;

the inner side surface of the corrosion-resistant layer (3) is pressed with an insulating wrapping layer (4) for wrapping and protecting the steel wire (6) and the wire core conductor (7).

2. A corrosion resistant low voltage overhead cable according to claim 1, wherein: a first insulating sleeve (5) for insulating, protecting and fixing the steel wire (6) is arranged above the inside of the insulating wrapping layer (4).

3. A corrosion resistant low voltage overhead cable according to claim 2, wherein: the steel wire (6) is wound and sleeved in the first insulating sleeve (5).

4. A corrosion resistant low voltage overhead cable according to claim 1, wherein: two ends of the inner lower part of the insulating wrapping tape layer (4) are provided with second insulating sleeves (8) for insulating protection and fixation of the wire core conductors (7).

5. The corrosion-resistant low voltage overhead cable of claim 4, wherein: the second insulating sleeve (8) is internally wound and fixed with a wire core conductor (7) used for conducting electricity and working.

6. A corrosion resistant low voltage overhead cable according to claim 1, wherein: the fiber rope material (9) for increasing the tensile strength of the cable body (1) is filled between the insulating wrapping layer (4) and the first insulating sleeve (5) and between the insulating wrapping layer and the second insulating sleeve (8).