CN213781657U

CN213781657U - Water-blocking overhead insulated cable

Info

Publication number: CN213781657U
Application number: CN202022756699.8U
Authority: CN
Inventors: 徐文品
Original assignee: Jiangsu Jingwei Cable Co ltd
Current assignee: Jiangsu Jingwei Cable Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a built on stilts insulated cable blocks water, which comprises a cable body, the inside of cable body is equipped with bears wire rope, the inside of cable body is equipped with the inner core, the outside of inner core is equipped with the protective layer, the outside of protective layer is equipped with around the covering, be equipped with the crushing layer around the outside of covering, the utility model discloses have cable body and bear wire rope, the outside of inner core is equipped with the protective layer, the outside of protective layer is equipped with around the covering, be equipped with the crushing layer around the outside of covering, multilayer structure can play resistance to compression and the effect that blocks water, and the outside on crushing layer is equipped with the silastic layer, the outside on silastic layer is equipped with the PVC sheath, be equipped with the trompil that is used for bearing wire rope to run through on the PVC sheath, consequently can be convenient built on stilts to insulating properties is good, rain-proof and moisture proof.

Description

Water-blocking overhead insulated cable

Technical Field

The utility model relates to an insulated cable technical field specifically is an overhead insulated cable blocks water.

Background

An overhead insulated cable is an overhead conductor provided with an insulating layer and a protective sheath, and a special cable manufactured by a production process similar to a crosslinked cable is adopted, the overhead cable is widely used for power transmission at home and abroad, a traditional overhead insulated cable wire is softer without a reinforcing structure and is easy to break in severe weather, so that power failure in production and industry is caused, and a factory and a family suffer loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhead insulated cable blocks water to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a built on stilts insulated cable blocks water, includes the cable body, the inside of cable body is equipped with bears wire rope, the inside of cable body is equipped with the inner core, the outside of inner core is equipped with the protective layer, the outside of protective layer is equipped with around the covering, be equipped with the compressive layer around the outside of covering, the outside on compressive layer is equipped with the silastic-layer, the outside on silastic-layer is equipped with the PVC sheath, be equipped with the trompil that is used for bearing wire rope and runs through on the PVC sheath.

Preferably, the inner core comprises copper stranded wires, and the number of strands of the copper stranded wires is 12-36.

Preferably, the outer side of the copper stranded wire is provided with a shielding layer, and the shielding layer is an aluminum-plastic composite shielding layer.

Preferably, an insulating layer is arranged on the outer side of the shielding layer, and the insulating layer is an epoxy resin glass fiber insulating layer.

Preferably, the outer side of the insulating layer is provided with a polyisobutylene layer, and the thickness of the polyisobutylene layer is 1-3 mm.

Preferably, the outer side of the polyisobutylene layer is provided with a polyethylene sheath.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the cable body and bear wire rope, the outside of inner core is equipped with the protective layer, the outside of protective layer is equipped with around the covering, be equipped with the compressive layer around the outside of covering, multilayer structure can play resistance to compression and the effect that blocks water, and the outside on compressive layer is equipped with the silastic-layer, the outside on silastic-layer is equipped with the PVC sheath, be equipped with the trompil that is used for bearing wire rope to run through on the PVC sheath, consequently can be convenient carry on makedly to insulating properties is good, rain-proof dampproofing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the inner core structure of the present invention.

In the figure: 1. a cable body; 2. carrying a steel wire rope; 3. a silicone rubber layer; 4. a pressure resistant layer; 5. a PVC sheath; 6. an inner core; 61. an insulating layer; 62. a shielding layer; 63. copper stranded wire; 64. a polyethylene jacket; 65. a polyisobutylene layer; 7. a protective layer; 8. and (6) wrapping a covering.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a built on stilts insulated cable blocks water, includes cable body 1, cable body 1's inside is equipped with bears wire rope 2, cable body 1's inside is equipped with inner core 6, the outside of inner core 6 is equipped with protective layer 7, the outside of protective layer 7 is equipped with around covering 8, be equipped with compressive layer 4 around covering 8's outside, compressive layer 4's outside is equipped with silastic-layer 3, the outside of silastic-layer 3 is equipped with PVC sheath 5, be equipped with the trompil that is used for bearing wire rope 2 and runs through on the PVC sheath 5.

Specifically, the compression resistant layer 4 is made of steel wire armor, and the wrapping layer 8 is made of halogen-free low-smoke high-flame-retardant polyolefin.

The inner core 6 comprises copper stranded wires 63, and the number of the copper stranded wires 63 is 12-36.

The outside of copper strands 63 is equipped with shielding layer 62, shielding layer 62 is the compound shielding layer of plastic-aluminum.

An insulating layer 61 is arranged on the outer side of the shielding layer 62, and the insulating layer 61 is an epoxy resin glass fiber insulating layer.

The outer side of the insulating layer 61 is provided with a polyisobutylene layer 65, and the thickness of the polyisobutylene layer 65 is 1-3 mm.

The outer side of the polyisobutylene layer 65 is provided with a polyethylene sheath 64.

Specific, during the use, this overhead insulated cable blocks water has cable body 1 and bears wire rope 2, and the outside of inner core 6 is equipped with protective layer 7, the outside of protective layer 7 is equipped with around covering 8, be equipped with compressive layer 4 around the outside of covering 8, multilayer structure can play the resistance to compression and the effect that blocks water, and compressive layer 4's outside is equipped with silastic layer 3, the outside of silastic layer 3 is equipped with PVC sheath 5, be equipped with the trompil that is used for bearing wire rope 2 and runs through on the PVC sheath 5, consequently can be convenient carry out overhead insulated cable to insulating properties is good, and is rain-proof dampproofing.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water-blocking overhead insulated cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1), wherein a bearing steel wire rope (2) is arranged inside the cable body (1), an inner core (6) is arranged inside the cable body (1), a protective layer (7) is arranged outside the inner core (6), a winding layer (8) is arranged outside the protective layer (7), a pressure resistant layer (4) is arranged outside the winding layer (8), a silicone rubber layer (3) is arranged outside the pressure resistant layer (4), a PVC sheath (5) is arranged outside the silicone rubber layer (3), and a hole for bearing the steel wire rope (2) to run through is formed in the PVC sheath (5).

2. A water-blocking overhead insulated cable according to claim 1, characterized in that: the inner core (6) comprises copper stranded wires (63), and the number of the copper stranded wires (63) is 12-36.

3. A water-blocking overhead insulated cable according to claim 2, characterized in that: the outside of copper strands (63) is equipped with shielding layer (62), shielding layer (62) are the compound shielding layer of plastic-aluminum.

4. A water-blocking overhead insulated cable according to claim 3, characterized in that: the outer side of the shielding layer (62) is provided with an insulating layer (61), and the insulating layer (61) is an epoxy resin glass fiber insulating layer.

5. A water-blocking aerial insulated cable according to claim 4, characterized in that: the outer side of the insulating layer (61) is provided with a polyisobutylene layer (65), and the thickness of the polyisobutylene layer (65) is 1-3 mm.

6. A water-blocking aerial insulated cable according to claim 5, characterized in that: and a polyethylene sheath (64) is arranged on the outer side of the polyisobutylene layer (65).