CN216623799U

CN216623799U - Waterproof type crosslinked cable

Info

Publication number: CN216623799U
Application number: CN202122990483.2U
Authority: CN
Inventors: 魏光超; 陈东; 孙永凯
Original assignee: Shandong Luqing Cable Co ltd
Current assignee: Shandong Luqing Cable Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-27
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a waterproof crosslinked cable, which relates to the technical field of crosslinked cables and comprises a cable sleeve, wherein an insulating layer is fixedly arranged on the inner wall of the cable sleeve, a plurality of insulating belts are fixedly arranged on the surface of the insulating layer at equal intervals, an anti-interference layer is fixedly arranged on the inner wall of the insulating layer, an outer waterproof layer is fixedly arranged on the inner wall of the anti-interference layer, a waterproof component is arranged inside the outer waterproof layer, a compression-resistant layer is fixedly arranged on the inner wall of the outer waterproof layer, and a buffer component is arranged inside the compression-resistant layer, wherein the cable sleeve has the beneficial effects that: the anti-interference layer woven by the copper wires effectively improves the shielding property of the cable, so that the cable has higher stability in the power transmission process; when this cable receives outside extrusion, take place deformation after a plurality of rubber circle shrink, effectual pressure that receives this cable cushions, prevents that this cable from receiving the extrusion and wearing and tearing, when outside atress no longer, a plurality of rubber circle recovers in the inside of cushion chamber, prevents that this cable from receiving the extrusion back and warping.

Description

Waterproof type crosslinked cable

Technical Field

The utility model relates to a cable, in particular to a waterproof crosslinked cable, and belongs to the technical field of crosslinked cables.

Background

The crosslinked cable is short for crosslinked polyethylene insulated cable. The cross-linked cable is suitable for power frequency AC voltage 500KV and below. The majority of high-voltage cables are insulated by crosslinked polyethylene, but the service life of the existing crosslinked cables is shortened due to poor waterproof performance, and the traditional crosslinked cables have poor bearing capacity and are easy to damage and break after being extruded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waterproof crosslinked cable, which solves the problems of poor waterproofness and poor pressure bearing capacity in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a waterproof type crosslinked cable, includes the cable cover, the fixed insulating layer that is equipped with of inner wall of cable cover, the fixed a plurality of insulated tape that is equipped with of surface equidistance of insulating layer, the fixed interference-proof layer that is equipped with of inner wall of insulating layer, the fixed outer waterproof layer that is equipped with of inner wall on interference-proof layer, the inside of outer waterproof layer is equipped with waterproof component, the fixed crushing layer that is equipped with of inner wall of outer waterproof layer, crushing layer's inside is equipped with buffering subassembly, crushing layer's the fixed filling layer that is equipped with of inner wall, the through-hole that four equidistance set up, four is seted up to the inner wall of filling layer the inside of through-hole all alternates and is connected with the sinle silk.

Preferably, waterproof component includes waterproof chamber, two foam aluminium lamination and two yarn layers that block water, waterproof chamber sets up the inside of waterproof layer outside, the top and the bottom in waterproof chamber all fix and are equipped with the foam aluminium lamination, two the fixed two yarn layers that block water that are equipped with between the foam aluminium lamination.

Preferably, the buffering subassembly includes cushion chamber and a plurality of rubber circle, the inside at the anti-pressure layer is seted up to the cushion chamber, the fixed rubber circle that is equipped with a plurality of equidistance setting in inside of cushion chamber.

Preferably, the surface of the wire core is fixedly provided with an inner waterproof layer, and the inner waterproof layers are made of waterproof polyethylene materials.

Preferably, a plurality of anti-skidding grooves are formed in the surface of the cable sleeve, and a plurality of anti-skidding protrusions which are arranged in a plurality of equal distances are fixedly arranged in the anti-skidding grooves.

Preferably, the interference prevention layer is formed by weaving copper wires.

Preferably, the surfaces of both of said foamed aluminium layers are coated with a hydrophobic coating.

Compared with the related art, the waterproof crosslinked cable provided by the utility model has the following beneficial effects:

1. the insulating layer and the insulating tapes effectively prevent the cable from being damaged after electric leakage, and the interference prevention layer formed by weaving the copper wires effectively improves the shielding property of the cable, so that the cable has higher stability in the power transmission process;

2. the hydrophobic coatings on the surfaces of the two foamed aluminum layers can effectively enable water entering the interior of the cable sleeve to slide off, meanwhile, the two water-blocking yarn layers can be rapidly expanded when meeting water, the water can be effectively prevented from continuously permeating, the waterproofness of the crosslinked cable is effectively improved, and meanwhile, the inner waterproof layers made of four waterproof polyethylene materials can effectively prevent the water from contacting with the four wire cores;

3. when this cable received outside extrusion, take place deformation after a plurality of rubber circle shrink, the effectual pressure that receives this cable cushions, prevents that this cable from receiving the extrusion and wearing and tearing, when outside atress no longer, a plurality of rubber circle recovers in the inside of cushion chamber, prevents that this cable from receiving the extrusion back and warping.

Drawings

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

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

FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;

fig. 4 is a schematic view showing the structure of an outer waterproof layer according to the present invention.

In the figure: 1. a cable cover; 2. an insulating layer; 3. an insulating tape; 4. an interference preventing layer; 5. an outer waterproof layer; 6. a waterproof assembly; 7. a pressure resistant layer; 8. a buffer assembly; 9. a filling layer; 10. a through hole; 11. a wire core; 12. an inner waterproof layer; 13. an anti-slip groove; 14. anti-skid projections; 61. a waterproof cavity; 62. a foamed aluminum layer; 63. a water-blocking yarn layer; 81. a buffer chamber; 82. a rubber ring.

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.

Example 1:

referring to fig. 1-4, the utility model provides a waterproof crosslinked cable, which comprises a cable sleeve 1, wherein an insulating layer 2 is fixedly arranged on the inner wall of the cable sleeve 1, a plurality of insulating tapes 3 are fixedly arranged on the surface of the insulating layer 2 at equal intervals, an anti-interference layer 4 is fixedly arranged on the inner wall of the insulating layer 2, an outer waterproof layer 5 is fixedly arranged on the inner wall of the anti-interference layer 4, a waterproof assembly 6 is arranged inside the outer waterproof layer 5, an anti-pressure layer 7 is fixedly arranged on the inner wall of the outer waterproof layer 5, a buffer assembly 8 is arranged inside the anti-pressure layer 7, a filling layer 9 is fixedly arranged on the inner wall of the anti-pressure layer 7, four through holes 10 which are arranged at equal intervals are formed in the inner wall of the filling layer 9, and a cable core 11 is inserted and connected into each of the four through holes 10;

the surfaces of the four wire cores 11 are all fixedly provided with inner waterproof layers 12, and the four inner waterproof layers 12 are all made of waterproof polyethylene materials;

the surface of the cable sleeve 1 is provided with a plurality of anti-slip grooves 13, and a plurality of anti-slip bulges 14 which are arranged at equal intervals are fixedly arranged inside the anti-slip grooves 13;

the anti-interference layer 4 is formed by weaving copper wires.

Example 2:

the waterproof assembly 6 comprises a waterproof cavity 61, two foam aluminum layers 62 and two water-blocking yarn layers 63, wherein the waterproof cavity 61 is arranged inside the outer waterproof layer 5, the foam aluminum layers 62 are fixedly arranged at the top end and the bottom end of the waterproof cavity 61, and the two water-blocking yarn layers 63 are fixedly arranged between the two foam aluminum layers 62;

the surfaces of both foamed aluminum layers 62 are coated with a hydrophobic coating;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, firstly, when moisture enters the cable, the hydrophobic coatings on the surfaces of the two foamed aluminum layers 62 can effectively make the moisture entering the cable jacket 1 slide off, and simultaneously, the two water-blocking yarn layers 63 can rapidly expand when meeting water, so that the moisture can be effectively prevented from continuously permeating, and the water resistance of the crosslinked cable is effectively improved.

Example 3:

the buffer assembly 8 comprises a buffer cavity 81 and a plurality of rubber rings 82, the buffer cavity 81 is arranged inside the pressure-resistant layer 7, and the plurality of rubber rings 82 which are arranged at equal intervals are fixedly arranged inside the buffer cavity 81;

specifically, as shown in fig. 1, 2 and 3, firstly, when the cable is extruded from the outside, the rubber rings 82 deform after shrinking, so as to effectively buffer the pressure applied to the cable and prevent the cable from being extruded and worn, and when the outside is not stressed any more, the rubber rings 82 restore inside the buffer cavity 81 to prevent the cable from deforming after being extruded.

The working principle is as follows: when the waterproof crosslinked cable is used in detail, the crosslinked cable is firstly installed and then is subjected to power transmission, the anti-skid protrusions 14 effectively improve the friction force of the cable, workers can conveniently install the cable, the cable is effectively prevented from being damaged after electric leakage, the anti-interference layer 4 formed by weaving copper wires effectively improves the shielding property of the cable, the stability of the cable in the power transmission process is higher, when external moisture enters the cable, the hydrophobic coatings on the surfaces of the two foamed aluminum layers 62 can effectively enable the moisture entering the cable sleeve 1 to slide down, meanwhile, the two water-blocking yarn layers 63 rapidly expand when the external moisture enters the cable, the moisture can be effectively prevented from continuously permeating, the waterproofness of the crosslinked cable is effectively improved, meanwhile, the inner waterproof layers 12 made of four waterproof polyethylene materials effectively prevent the water from contacting with the four wire cores 11, when this cable receives outside extrusion, take place deformation after a plurality of rubber circle 82 contracts, effectual pressure to this cable received cushions, prevents that this cable from receiving the extrusion and wearing and tearing, when outside atress no longer, a plurality of rubber circle 82 recovers in the inside of cushion chamber 81, prevents this cable from receiving the extrusion after and warping.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A waterproof cross-linked cable comprises a cable sleeve (1) and is characterized in that an insulating layer (2) is fixedly arranged on the inner wall of the cable sleeve (1), a plurality of insulating belts (3) are fixedly arranged on the surface of the insulating layer (2) at equal intervals, an anti-interference layer (4) is fixedly arranged on the inner wall of the insulating layer (2), an outer waterproof layer (5) is fixedly arranged on the inner wall of the anti-interference layer (4), a waterproof component (6) is arranged inside the outer waterproof layer (5), a pressure resistant layer (7) is fixedly arranged on the inner wall of the outer waterproof layer (5), a buffer component (8) is arranged inside the anti-pressure layer (7), a filling layer (9) is fixedly arranged on the inner wall of the anti-pressure layer (7), through-hole (10) that four equidistance set up, four are seted up to the inner wall of filling layer (9) the inside of through-hole (10) all alternates and is connected with sinle silk (11).

2. The waterproof crosslinked cable according to claim 1, wherein: waterproof component (6) include waterproof chamber (61), two foam aluminium lamination (62) and two yarn layers (63) that block water, waterproof chamber (61) are seted up in the inside of outer waterproof layer (5), the top and the bottom of waterproof chamber (61) are all fixed and are equipped with foam aluminium lamination (62), two fixed two yarn layers (63) that block water that are equipped with between foam aluminium lamination (62).

3. The waterproof crosslinked cable according to claim 1, wherein: buffering subassembly (8) are including cushion chamber (81) and a plurality of rubber circle (82), the inside at crushing layer (7) is seted up in cushion chamber (81), the fixed rubber circle (82) that are equipped with a plurality of equidistance setting in inside of cushion chamber (81).

4. The waterproof crosslinked cable according to claim 1, wherein: four the surface of sinle silk (11) all is fixed and is equipped with interior waterproof layer (12), four interior waterproof layer (12) are waterproof type polyethylene and make.

5. The waterproof crosslinked cable according to claim 1, wherein: a plurality of anti-skidding groove (13) have been seted up on the surface of cable cover (1), a plurality of anti-skidding protrusion (14) that a plurality of equidistance set up are all fixed to the inside in anti-skidding groove (13).

6. The waterproof crosslinked cable according to claim 1, wherein: the anti-interference layer (4) is formed by weaving copper wires.

7. The waterproof crosslinked cable according to claim 2, wherein: the surfaces of the two foamed aluminum layers (62) are coated with a hydrophobic coating.