CN220491633U

CN220491633U - Overhead insulated cable

Info

Publication number: CN220491633U
Application number: CN202223420944.3U
Authority: CN
Inventors: 李志强; 李畅
Original assignee: Henan Qingzhou Cable Co ltd
Current assignee: Henan Qingzhou Cable Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2024-02-13
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses an overhead insulated cable which comprises a conductive wire core, a shielding layer, an insulating layer, a heat insulating layer, a buffer layer, a waterproof layer, an anti-wind layer, an armor layer, an anti-corrosion layer and buffer strips. According to the utility model, most of the impact force can be effectively reduced through the buffer layer, so that the overhead insulated cable has a good anti-collision effect, the wind-proof layer can resist wind and sand erosion for a long time, the cable is suitable for outdoor environments with large wind and sand and high wind and sand pressure, and the abrasion of the outer surface of the cable can be avoided through the buffer strip.

Description

Overhead insulated cable

Technical Field

The utility model relates to the technical field of overhead cables, in particular to an overhead insulated cable.

Background

The overhead cable is an overhead conductor with insulating layer and protecting outer skin, and is a special cable similar to cross-linked cable and is a new transmission mode between overhead conductor and 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. The power supply device has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters include weather resistance, insulation level, inner and outer semi-conductive shielding layers. The overhead cable is widely applied to domestic and foreign power transmission.

The bulletin number is: CN 214476631U's chinese patent discloses an aerial insulated cable, including the cable body, the cable body includes the fiber reinforced resin matrix composite core, be equipped with heat-resistant aluminum alloy single line in the fiber reinforced resin matrix composite core outside cover, be equipped with the shielding layer in heat-resistant aluminum alloy single line outside cover, be equipped with the insulating layer in shielding layer outside cover, be equipped with the insulating layer in insulating layer outside cover, be equipped with the protective layer in insulating layer outside cover, be equipped with the flame retardant coating in flame retardant coating outside cover, be equipped with the anticorrosion layer in the cover of reinforcement outside cover, be equipped with the fastener main part of easy dismounting installation in the anticorrosion layer outside cover, can prevent through the fastener main part of setting that the cable twines together, inconvenient distinguishing, and at the in-process of maintenance, the maintenance personnel is convenient for untie the fastener main part, overhaul the cable, reduce maintenance time and energy, reduce maintenance personnel overhead operation time, reduce the potential safety hazard, and improve factor.

This patent has the following drawbacks: in windy weather, the overhead cable is easy to collide with other overhead cables, the surface of the overhead cable is easy to wear, and the service life of the overhead cable is shortened.

The present application therefore now proposes an overhead insulated cable to solve the above mentioned problems.

Disclosure of Invention

The utility model aims to provide an overhead insulated cable, which solves the problems that the surface of the overhead cable is easy to wear and the service life of the overhead cable is shortened.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an aerial insulated cable, includes conductive core, shielding layer, insulating layer, buffer layer, waterproof layer, wind-proof layer, armor, corrosion protection layer and buffer strip, conductive core outside cover is equipped with the shielding layer, shielding layer outside cover is equipped with the insulating layer, insulating layer outside cover is equipped with the buffer layer, the outside cover of buffer layer is equipped with the waterproof layer, the outside cover of waterproof layer is equipped with the wind-proof layer, the outside cover of wind-proof layer is equipped with the armor, armor outside cover is equipped with the corrosion protection layer, array is provided with a plurality of buffer strips on the corrosion protection layer outer wall.

Further, the buffer layer is made of rubber materials.

Further, the buffer strip is made of rubber materials, and the cross section of the buffer strip is of a semicircular structure.

Further, the windproof layer is made of chlorinated polyethylene materials with improved windproof erosion resistance by adopting a nano technology.

Further, the heat insulation layer is made of centrifugal stripping fiber cotton materials.

Furthermore, the waterproof layer is formed by wrapping a semiconductive water-blocking tape.

Furthermore, the anti-corrosion layer is made of a reinforced composite material of resin-based fibers.

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

according to the utility model, when the cable works, heat emitted from the inside can be effectively isolated through the arranged heat insulation layer, most of impact force can be effectively slowed down through the arranged buffer layer, so that the overhead insulated cable has a good anti-collision effect, wind and sand erosion can be resisted for a long time through the arranged wind prevention layer, the cable is suitable for an outdoor environment with large wind and sand and high wind pressure, the corrosion resistance of the surface of the cable can be effectively enhanced through the arranged anti-corrosion layer, abrasion of the outer surface of the cable can be avoided through the arranged buffer strip, the quality of the cable is improved, the service life of the cable is greatly prolonged, and the use cost is reduced.

Drawings

Fig. 1 is a schematic perspective view of an overhead insulated cable;

FIG. 2 is a schematic elevational view of an overhead insulated cable;

fig. 3 is a schematic perspective view of another perspective view of an overhead insulated cable.

In the figure: 10. a conductive wire core; 11. a shielding layer; 12. an insulating layer; 13. a thermal insulation layer; 14. a buffer layer; 15. a waterproof layer; 16. an air-proof layer; 17. an armor layer; 18. an anti-corrosion layer; 19. and (5) buffering the strip.

Detailed Description

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. 1-3, the present utility model provides the following technical solutions:

in this scheme, including conductive core 10, shielding layer 11, insulating layer 12, insulating layer 13, buffer layer 14, waterproof layer 15, wind-proof layer 16, armor 17, anticorrosion layer 18 and buffer strip 19, conductive core 10 outside cover is equipped with shielding layer 11, shielding layer 11 outside cover is equipped with insulating layer 12, insulating layer 12 outside cover is equipped with insulating layer 13, insulating layer 13 outside cover is equipped with buffer layer 14, buffer layer 14 outside cover is equipped with waterproof layer 15, waterproof layer outside cover is equipped with wind-proof layer 16, wind-proof layer 16 outside cover is equipped with armor 17, armor 17 outside cover is equipped with anticorrosion layer 18, the array is provided with a plurality of buffer strips 19 on the anticorrosion layer 18 outer wall.

In addition, the buffer layer 14 is made of rubber materials, and most of impact force can be effectively relieved through the buffer layer 14, so that the overhead insulated cable has a good anti-collision effect.

The buffer strip 19 is made of rubber materials, the cross section of the buffer strip 19 is of a semicircular structure, abrasion of the outer surface of the cable can be avoided through the buffer strip 19, and the quality of the cable is improved.

The windproof layer 16 is made of a chlorinated polyethylene material with improved windproof erosion resistance by adopting a nano technology, and the windproof layer 16 can resist the erosion of wind and sand for a long time, so that the windproof layer is suitable for an outdoor environment with large wind and sand and high wind and pressure.

The heat insulation layer 13 is made of centrifugal stripping fiber cotton materials, and heat emitted from the inside of the cable during operation can be effectively insulated through the heat insulation layer 13.

Wherein the waterproof layer 15 is formed by wrapping a semiconductive water-blocking tape.

The anti-corrosion layer 18 is made of a reinforced composite material of resin-based fibers, and the anti-corrosion performance of the cable surface can be effectively enhanced through the arranged anti-corrosion layer 18.

Working principle: can isolate the cable during operation effectively through the insulating layer 13 that sets up, the heat that inside distributes out, buffer layer 14 through setting up can effectually slow down most impact force, make this overhead insulated cable have good crashproof effect, can withstand the wind sand erosion for a long time through the windproof layer 16 that sets up, be applicable to the wind sand is big, the outdoor environment that the wind is high, corrosion resistance on the cable surface can effectually be strengthened through the anticorrosive coating 18 that sets up, can avoid the cable surface to take place wearing and tearing through the buffer strip 19 that sets up, improve the quality of cable, great extension cable life, reduce use cost.

The present utility model has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described.

Claims

1. The utility model provides an aerial insulated cable, includes conductive core (10), shielding layer (11), insulating layer (12), insulating layer (13), buffer layer (14), waterproof layer (15), prevent wind layer (16), armor (17), anticorrosive coating (18) and buffer strip (19), conductive core (10) outside cover is equipped with shielding layer (11), shielding layer (11) outside cover is equipped with insulating layer (12), its characterized in that: insulating layer (12) outside cover is equipped with insulating layer (13), insulating layer (13) outside cover is equipped with buffer layer (14), buffer layer (14) outside cover is equipped with waterproof layer (15), waterproof layer (15) outside cover is equipped with wind-proof layer (16), wind-proof layer (16) outside cover is equipped with armor (17), armor (17) outside cover is equipped with anticorrosion layer (18), array is provided with a plurality of buffer strips (19) on anticorrosion layer (18) outer wall.

2. An overhead insulated cable according to claim 1, wherein: the buffer layer (14) is made of rubber materials.

3. An overhead insulated cable according to claim 1, wherein: the buffer strip (19) is made of rubber materials, and the cross section of the buffer strip (19) is of a semicircular structure.

4. An overhead insulated cable according to claim 1, wherein: the windproof layer (16) is made of a chlorinated polyethylene material with improved windproof erosion resistance by adopting a nano technology.

5. An overhead insulated cable according to claim 1, wherein: the heat insulation layer (13) is made of centrifugal stripping fiber cotton materials.

6. An overhead insulated cable according to claim 1, wherein: the waterproof layer (15) is formed by wrapping a semiconductive water-blocking tape.

7. An overhead insulated cable according to claim 1, wherein: the anti-corrosion layer (18) is made of a reinforced composite material of resin-based fibers.