CN212010462U

CN212010462U - Isolated form aluminum conductor cable steel-reinforced

Info

Publication number: CN212010462U
Application number: CN202020765371.XU
Authority: CN
Inventors: 陈威; 孔维忍; 韩露
Original assignee: Qujing Kun Cable Dongdian Cable Co ltd
Current assignee: Qujing Kun Cable Dongdian Cable Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-11-24
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses an isolated form steel-cored aluminum strand wires cable, the utility model aims at realizing like this, including steel core and regular polygon support, the surface of steel core is provided with the cotton layer of pearl, be provided with a plurality of sinle silks in the space between cotton layer of pearl and the regular polygon support, the sinle silk includes aluminum strand wires from inside to outside in proper order, shielding layer and inner insulating layer, the outside of regular polygon support is provided with the outer insulating layer, space intussuseption between outer insulating layer and the regular polygon support is filled with the yarn that blocks water, the outside of outer insulating layer has set gradually the flame retardant coating, the enhancement layer, the inner sheath, buffering decompression layer, anticorrosive coating and low smoke and zero halogen polyolefin oversheath, there are many elastic rubber pipes along the circumference equipartition in the buffering decompression layer, the surface of low smoke and zero halogen polyolefin overs. The utility model discloses barrier propterty is good, durable, and safety ring protects, has apparent economic value and social value.

Description

Isolated form aluminum conductor cable steel-reinforced

Technical Field

The utility model relates to the technical field of cables, concretely relates to isolated form aluminum conductor cable steel-reinforced.

Background

The steel-cored aluminum stranded wire cable is a reinforced wire formed by stranding a single layer or a plurality of layers of aluminum stranded wires outside a galvanized steel-cored wire, wherein the steel core mainly plays a role in increasing strength, the aluminum stranded wires mainly play a role in transmitting electric energy and are mainly applied to the power and transmission line industries, and an isolated aluminum-cored steel stranded wire cable is formed by wrapping a layer of sheath outside a bare wire of the steel-cored aluminum stranded wire cable. In the actual use process, the following problems still exist in the existing isolated aluminum conductor cable reinforced steel cable: firstly, the protection capability is weak, when the cable is impacted and extruded, the inner wire core is easy to damage, and the service life is short; secondly, in order to prevent the steel core from rusting or corroding, the surface of the steel core wire needs to be galvanized, but the galvanizing process can cause environmental pollution and is not beneficial to environmental protection. Therefore, it is objectively needed to develop an isolated aluminum conductor cable with steel core, which has good protection performance, durability, safety and environmental protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a barrier type steel-cored aluminum strand wires cable that barrier propterty is good, durable, safety ring protects.

The utility model aims at realizing the purpose, which comprises a steel core and a regular polygon support, wherein the steel core is positioned at the center of the regular polygon support, the outer surface of the steel core is provided with a pearl cotton layer, a plurality of wire cores are uniformly distributed in the space between the pearl cotton layer and the regular polygon support, the number of the wire cores is the same as the number of the edges of the regular polygon support, each wire core is positioned at the inner corner of the regular polygon support, the wire cores sequentially comprise an aluminum stranded wire, a shielding layer and an inner insulating layer from inside to outside, a mineral substance isolating layer is arranged in the gap between the regular polygon support, the inner insulating layer and the pearl cotton layer, the outer side of the regular polygon support is provided with an outer insulating layer, a water-blocking yarn is filled in the space between the outer insulating layer and the regular polygon support, the outer side of the outer insulating layer is sequentially provided with a fireproof layer, a, a plurality of elastic rubber tubes are uniformly distributed in the buffer pressure reducing layer along the circumference, and a graphene coating is coated on the outer surface of the low-smoke halogen-free polyolefin outer sheath.

Further, the inner surface of the regular polygon support is provided with a graphite emulsion lubricating layer.

Further, the inner insulating layer is a ceramic silicon rubber composite insulating layer.

Furthermore, a plurality of carbon fiber rods are uniformly distributed in the reinforcing layer along the circumference.

Further, the fireproof layer sequentially comprises a high-temperature-resistant glass fiber tape wrapping layer, a fire-resistant mica tape wrapping layer and a flame-retardant fire-resistant ethylene propylene rubber layer from inside to outside.

Further, the inner surface of the anticorrosive coating is provided with a resin daub layer.

The utility model arranges the steel core and the wire core in the regular polygon support, when the cable is impacted and extruded from outside, the regular polygon support is stressed and deformed, the inner steel core and the wire core can not be damaged, and the shock resistance and the extrusion capability of the cable can be greatly improved by combining the decompression function of the buffer decompression layer, and the service life is longer; secondly, the utility model is provided with the anti-corrosion layer and the fireproof layer, which can improve the anti-corrosion capability and the fireproof capability of the cable in the using process; in addition, the surface of the steel core is wrapped with the pearl wool to replace galvanizing treatment, and the pearl wool can well protect the steel core from external interference, so that the production of the steel-cored aluminum strand is more environment-friendly. The utility model discloses barrier propterty is good, durable, and safety ring protects, has apparent economic value and social value.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1-steel core, 2-regular polygon support, 3-pearl cotton layer, 4-aluminum stranded wire, 5-shielding layer, 6-inner insulating layer, 7-mineral isolating layer, 8-outer insulating layer, 9-fireproof layer, 10-reinforcing layer, 11-inner sheath, 12-buffer decompression layer, 13-anticorrosive layer, 14-low smoke halogen-free polyolefin outer sheath, 15-elastic rubber tube, 16-graphene coating, 17-graphite emulsion lubricating layer, 18-carbon fiber rod, 19-high temperature resistant glass fiber tape wrapping layer, 20-fire resistant mica tape wrapping layer, 21-flame retardant fire resistant ethylene propylene rubber layer, 22-resin daub layer and 23-water blocking yarn.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.

As shown in figure 1, the utility model comprises a steel core 1 and a regular polygon support 2, the steel core 1 is arranged at the center of the regular polygon support 2, the outer surface of the steel core 1 is provided with a pearl cotton layer 3, a plurality of wire cores are uniformly distributed in the space between the pearl cotton layer 3 and the regular polygon support 2, the number of the wire cores is the same as the number of the edges of the regular polygon support 2, each wire core is arranged at the inner angle of the regular polygon support 2, the wire cores sequentially comprise an aluminum stranded wire 4, a shielding layer 5 and an inner insulating layer 6 from inside to outside, the regular polygon support 2, a mineral isolating layer 7 is arranged in the gap between the inner insulating layer 6 and the pearl cotton layer 3, the mineral isolating layer 7 contains graphite and quartz, the mineral isolating layer can expand and harden to form a protecting layer after being heated, the steel core 1 and the wire cores can be prevented from being damaged, the outer side of the regular polygon support 2 is provided with an outer insulating layer 8, water blocking, the water-blocking yarn 23 has good water-blocking capacity and can prevent the interior of a cable from being affected with damp, the fireproof layer 9, the reinforcing layer 10, the inner sheath 11, the buffer decompression layer 12, the anticorrosive layer 13 and the low-smoke halogen-free polyolefin outer sheath 14 are sequentially arranged on the outer side of the outer insulating layer 8, the tensile capacity of the cable is enhanced through the reinforcing layer 10, the service life of the cable is prolonged, a plurality of elastic rubber tubes 15 are uniformly distributed in the buffer decompression layer 12 along the circumference, when the cable is impacted and extruded, the elastic rubber tubes 15 generate elastic deformation to disperse pressure, the buffer effect is achieved, the outer surface of the low-smoke halogen-free polyolefin outer sheath 14 is coated with the graphene coating 16, the graphene is a carbon material with a two-dimensional nano structure, the cable has ultrahigh conductivity and good hydrophobicity, the conductor can be prevented from being frozen, ice disasters can be well reduced.

The utility model arranges the steel core 1 and the wire core in the regular polygon support 2, when the cable is impacted and extruded from outside, the regular polygon support 2 is deformed by force, the inner steel core 1 and the wire core can not be damaged, and the shock resistance and the extrusion capability of the cable can be greatly improved by combining the decompression function of the buffer decompression layer 12, and the service life is longer; secondly, the utility model is provided with the anti-corrosion layer 13 and the fireproof layer 9, which can improve the anti-corrosion capability and the fireproof capability of the cable in the using process; in addition, the surface of the steel core 1 is wrapped with the pearl wool to replace galvanizing treatment, and the pearl wool can well protect the steel core 1 from external interference, so that the production of the cable is more environment-friendly.

In order to avoid friction between the regular polygon support 2 and the inner insulating layer 6 and reduce abrasion, the inner surface of the regular polygon support 2 is provided with a graphite emulsion lubricating layer 17.

Preferably, the inner insulating layer 6 is a ceramic silicon rubber composite insulating layer which is formed by wrapping a ceramic silicon rubber composite tape, and has better insulating property.

A plurality of carbon fiber rods 18 are uniformly distributed in the reinforcing layer 10 along the circumference, and the carbon fiber rods 18 have higher tensile strength and can effectively improve the tensile strength of the cable.

Preferably, the fireproof layer 9 sequentially comprises a high-temperature-resistant glass fiber tape wrapping layer 19, a fire-resistant mica tape wrapping layer 20 and a flame-retardant fireproof ethylene propylene rubber layer 21 from inside to outside, the high-temperature-resistant glass fiber tape wrapping layer 19, the fire-resistant mica tape wrapping layer 20 and the flame-retardant fireproof ethylene propylene rubber layer 21 have good fireproof performance, and after comprehensive use, the cable has good fireproof performance.

The internal surface of anticorrosive coating 13 is provided with resin clay layer 22, and resin clay has durability, high temperature resistant, impermeability, compactedness and high adhesion and extremely strong waterproof anticorrosive effect, can effectively improve the life of cable, even if flame-retardant fire-resistant EPT rubber layer 21 breaks, inside the sealed cable that resin clay layer 22 also can be fine, guaranteed its normal use.

Claims

1. An isolated form aluminum conductor cable steel-reinforced which characterized in that: comprises a steel core (1) and a regular polygon support (2), wherein the steel core (1) is positioned at the center of the regular polygon support (2), a pearl cotton layer (3) is arranged on the outer surface of the steel core (1), a plurality of wire cores are uniformly distributed in the space between the pearl cotton layer (3) and the regular polygon support (2), the number of the wire cores is the same as the number of the sides of the regular polygon support (2), each wire core is positioned at the inner angle of the regular polygon support (2), the wire cores sequentially comprise aluminum stranded wires (4), shielding layers (5) and inner insulating layers (6) from inside to outside, mineral isolating layers (7) are arranged in the gaps among the regular polygon support (2), the inner insulating layers (6) and the pearl cotton layer (3), outer insulating layers (8) are arranged on the outer side of the regular polygon support (2), and water blocking yarns (23) are filled in the space between the outer insulating layers (8) and the regular polygon support (2), the outside of outer insulating layer (8) has set gradually flame retardant coating (9), enhancement layer (10), inner sheath (11), buffering decompression layer (12), anticorrosive coating (13) and low smoke and zero halogen polyolefin oversheath (14), has many elastic rubber pipe (15) along the circumference equipartition in buffering decompression layer (12), it has graphite alkene coating (16) to coat on the surface of low smoke and zero halogen polyolefin oversheath (14).

2. The isolated aluminum conductor cable reinforced by steel according to claim 1, wherein the inner surface of the regular polygon support (2) is provided with a graphite emulsion lubricating layer (17).

3. The isolated aluminum conductor cable reinforced by steel according to claim 1, wherein the inner insulating layer (6) is a ceramic silicon rubber composite insulating layer.

4. The isolated aluminum conductor cable reinforced by steel according to claim 1, wherein a plurality of carbon fiber rods (18) are uniformly distributed in the reinforcing layer (10) along the circumference.

5. The isolated aluminum conductor cable reinforced by steel according to claim 1, wherein the fire-proof layer (9) comprises a high-temperature-resistant glass fiber tape wrapping layer (19), a fire-resistant mica tape wrapping layer (20) and a flame-retardant fire-resistant ethylene propylene rubber layer (21) from inside to outside in sequence.

6. The isolated aluminum conductor cable reinforced by steel according to claim 1, wherein the inner surface of the anti-corrosion layer (13) is provided with a resin daub layer (22).