CN216597038U

CN216597038U - High-strength light overhead insulated cable

Info

Publication number: CN216597038U
Application number: CN202123185814.1U
Authority: CN
Inventors: 周菊菊; 付亚红; 马文; 付腾飞; 付国平
Original assignee: Beijing Jinsheng Xintai Wire And Cable Co ltd
Current assignee: Beijing Jinsheng Xintai Wire And Cable Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-24
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a high-strength light overhead insulated cable which comprises a carbon fiber steel core, wherein a PBO fiber woven layer is fixedly arranged on the outer surface of the carbon fiber steel core, the carbon fiber steel core is made of a carbon fiber core rod material, and the tensile strength of the carbon fiber steel core is 2-2.5 times that of a common steel core. The cable is provided with the carbon fiber steel core, the tensile strength of the carbon fiber steel core is 2-2.5 times that of a common steel core, the strength of the cable is greatly improved, the PBO fiber woven layer is arranged on the surface of the carbon fiber steel core, the quality of the cable is reduced, meanwhile, the signal shielding layer is arranged on the surface of the PBO fiber woven layer, signals are shielded through the signal shielding layer, interference of other signals is prevented, water is prevented through the waterproof belt and the waterproof pressure-resistant layer, insulation is carried out through the insulating layer, better adhesion is carried out through the hot melt adhesive layer, and anticorrosion protection of the outer surface is carried out through the anticorrosion outer protective sleeve layer.

Description

High-strength light overhead insulated cable

Technical Field

The utility model relates to the technical field of manufacturing of high-strength and light-weight cables, in particular to a high-strength and light-weight overhead insulated cable.

Background

A cable is made up of one or more mutually insulated conductors and an outer insulating sheath, the conductors carrying power or information from one location to another, usually being a rope-like cable made up of several or groups of conductors twisted together, each group being insulated from each other and often twisted around a center.

However, in the prior art, the existing overhead insulated cable is inconvenient to erect due to large manufacturing weight in actual use, and the corrosion prevention effect of the surface material on the outermost layer is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength light overhead insulated cable to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a light-duty aerial insulated cable of high strength, includes the carbon fiber steel core, the fixed surface of carbon fiber steel core is provided with PBO fibre weaving layer, the material of carbon fiber steel core is carbon fiber core rod material, the tensile strength of carbon fiber steel core is 2-2.5 times of ordinary steel core, the material of PBO fibre weaving layer is PBO fibre weaving layer, the quality of PBO fibre weaving layer is light, the fixed surface of PBO fibre weaving layer is connected with signal shielding layer.

Preferably, a waterproof pressure-resistant layer is fixedly arranged on the peripheral surface of the signal shielding layer.

Preferably, a waterproof belt is fixedly arranged on the inner wall of the waterproof and pressure-resistant layer.

Preferably, an insulating layer is fixedly arranged on the peripheral surface of the waterproof and pressure-resistant layer.

Preferably, a hot melt adhesive layer is fixedly arranged on the peripheral surface of the insulating layer.

Preferably, the periphery surface of the hot melt adhesive layer is fixedly provided with an anti-corrosion outer protection jacket layer.

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

1. the carbon fiber steel core is arranged, the tensile strength of the carbon fiber steel core is 2-2.5 times that of a common steel core, the strength of the cable is greatly improved, and the quality of the cable is reduced by arranging the PBO fiber braided layer on the surface of the carbon fiber steel core;

2. the surface of the PBO fiber braided layer is provided with a signal shielding layer, the signal shielding layer is used for shielding signals to prevent interference of other signals, the waterproof tape and the waterproof pressure-resistant layer are used for preventing water, the insulating layer is used for insulating, the hot melt adhesive layer is used for better adhesion, and the outer surface of the PBO fiber braided layer is protected from corrosion through the anti-corrosion outer protective sleeve layer.

Drawings

FIG. 1 is a side sectional view of the overall structure of a high strength lightweight overhead insulated cable of the present invention;

FIG. 2 is an enlarged view of a structure near a carbon fiber steel core of a high-strength light overhead insulated cable according to the present invention;

fig. 3 is a side cross-sectional large-scale drawing of the PBO fiber braid structure of the high-strength light overhead insulated cable of the utility model.

In the figure: 4. a carbon fiber steel core; 5. a PBO fiber braid layer; 6. a signal shielding layer; 7. a waterproof tape; 8. a waterproof pressure-resistant layer; 9. an insulating layer; 10. a hot melt adhesive layer; 11. an anticorrosive outer protective jacket layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a light-duty aerial insulated cable of high strength, including carbon fiber steel core 4, the external fixed surface of carbon fiber steel core 4 is provided with PBO fibre weaving layer 5, the material of carbon fiber steel core 4 is carbon fiber core rod material, the tensile strength of carbon fiber steel core 4 is 2-2.5 times of ordinary steel core, the material of PBO fibre weaving layer 5 is PBO fibre weaving layer, PBO fibre weaving layer 5's quality is light, the external fixed surface of PBO fibre weaving layer 5 installs signal shield layer 6.

The peripheral surface of the signal shielding layer 6 is fixedly provided with a waterproof pressure-resistant layer 8.

The inner wall of the waterproof anti-pressure layer 8 is fixedly provided with a waterproof belt 7.

The peripheral surface of the waterproof and pressure-resistant layer 8 is fixedly provided with an insulating layer 9.

The peripheral surface of the insulating layer 9 is fixedly provided with a hot melt adhesive layer 10.

The periphery surface of the hot melt adhesive layer 10 is fixedly provided with an anti-corrosion outer protective sleeve layer 11.

The working principle is as follows: when using, this utility model discloses a set up carbon fiber steel core 4, carbon fiber steel core 4's tensile strength is 2-2.5 times of ordinary steel core, the intensity of cable has been improved greatly, through set up PBO fibre weaving layer 5 on carbon fiber steel core 4's surface, reduce the weight of cable, this utility model discloses still be provided with signal shield layer 6 on PBO fibre weaving layer 5's surface simultaneously, carry out the shielding of signal through signal shield layer 6, prevent the interference of other signals, it is waterproof through waterproof area 7 and waterproof compressive layer 8, insulate through insulating layer 9, carry out better bonding through hot melt adhesive layer 10, carry out the anticorrosive protection of surface through anticorrosive outer protection restrictive coating 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 light-duty aerial insulated cable of high strength, includes carbon fiber steel core (4), its characterized in that: the outer surface of the carbon fiber steel core (4) is fixedly provided with a PBO fiber woven layer (5), the carbon fiber steel core (4) is made of a carbon fiber core rod material, the tensile strength of the carbon fiber steel core (4) is 2-2.5 times that of a common steel core, the PBO fiber woven layer (5) is made of a PBO fiber woven layer, the PBO fiber woven layer (5) is light in weight, and the outer surface of the PBO fiber woven layer (5) is fixedly connected with a signal shielding layer (6).

2. A high strength lightweight overhead insulated cable according to claim 1, characterized in that: and a waterproof pressure-resistant layer (8) is fixedly arranged on the peripheral surface of the signal shielding layer (6).

3. A high strength lightweight overhead insulated cable according to claim 2, characterized in that: and a waterproof belt (7) is fixedly arranged on the inner wall of the waterproof pressure-resistant layer (8).

4. A high strength lightweight overhead insulated cable according to claim 3, characterized in that: and an insulating layer (9) is fixedly arranged on the peripheral surface of the waterproof pressure-resistant layer (8).

5. A high strength light weight overhead insulated cable according to claim 4, characterized in that: and a hot melt adhesive layer (10) is fixedly arranged on the peripheral surface of the insulating layer (9).

6. A high strength light weight overhead insulated cable according to claim 5, characterized in that: and an anti-corrosion outer protective sleeve layer (11) is fixedly arranged on the peripheral surface of the hot melt adhesive layer (10).