CN212990740U

CN212990740U - High-voltage cable with aluminum-pressed sheath

Info

Publication number: CN212990740U
Application number: CN202022566275.5U
Authority: CN
Inventors: 尤晓
Original assignee: Ningguang Cable Co ltd
Current assignee: Ningguang Cable Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-04-16
Anticipated expiration: 2030-11-09

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to a high tension cable with compressed aluminum sheath, which comprises a protective layer, be equipped with a plurality of cores of leading in the protective layer, the outside of protective layer is equipped with the metal level, be equipped with the packing layer between metal level and the protective layer, the equidistance is equipped with additional strengthening in the packing layer, the outside of metal level is equipped with the enhancement layer, the enhancement layer includes the beaded finish that the equidistance set up, the beaded finish is fixed on the surface of metal level, be connected with a plurality of enhancement strips between the edge of beaded finish, the enhancement strip is around the central ring array of beaded finish, the outside of enhancement layer is equipped with the. The utility model discloses can increase the comprehensive properties of cable.

Description

High-voltage cable with aluminum-pressed sheath

Technical Field

The utility model relates to a cable field especially relates to a high tension cable with compress aluminium sheath.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. In order to improve the pressure resistance of the cable, metal armor is added to the cable in the prior art, but the cable in the prior art has poor bending and twisting resistance, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art has the defects of bending resistance and poor distortion performance, and providing a high-voltage cable with an aluminum pressing sheath.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a high tension cable with compress aluminium sheath, includes the protective layer, be equipped with a plurality of cores of leading in the protective layer, the outside of protective layer is equipped with the metal level, be equipped with the packing layer between metal level and the protective layer, the interior equidistance of packing is equipped with additional strengthening, the outside of metal level is equipped with the enhancement layer, the enhancement layer includes the beaded finish that the equidistance set up, the beaded finish is fixed on the surface of metal level, be connected with a plurality of enhancement strips between the edge of beaded finish, the central annular array of enhancement strip around the beaded finish, the outside of enhancement layer is equipped with the outer pillar.

Preferably, the shielding layer wraps the outside of the guide core, and the number of the guide cores is three.

Preferably, the protective layer is provided with a buffer layer outside the shielding layer, and the buffer layer is made of an insulating material.

Preferably, the reinforcing structure comprises an outer ring and an inner ring, the outer ring and the inner ring are coaxially arranged, a plurality of rib plates are vertically connected between the outer ring and the inner ring, the rib plates are annularly arrayed around the central lines of the outer ring and the inner ring, and the outer ring and the inner ring are embedded in the packing layer.

Preferably, the metal layer is made of an aluminum-pressed sheath.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses set up the compressive property of metal level in order to increase the cable, still set up the enhancement layer in the outside of metal level simultaneously, the enhancement layer divide into a plurality of collars and the enhancement strip of equipartition between the collar, can play through the collar and resist radial extruded effect, can play through setting up the enhancement strip and resist the effect of twisting reverse and buckling to can increase the comprehensive properties of cable.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: the outer protective tube comprises an outer protective tube 1, a packing layer 2, a metal layer 3, a reinforcing strip 4, a buffer layer 5, a guide core 6, a shielding layer 7, a protective layer 8, a reinforcing ring 9, an inner ring 10, an outer ring 11 and rib plates 12.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-2 a high tension cable with compress aluminium sheath, including protective layer 8, be equipped with a plurality of cores 6 of leading in the protective layer 8, the outside of protective layer 8 is equipped with metal level 3, be equipped with packing layer 2 between metal level 3 and the protective layer 8, the equidistance is equipped with additional strengthening in the packing layer 2, the outside of metal level 3 is equipped with the enhancement layer, the enhancement layer includes the beaded finish 9 that the equidistance set up, beaded finish 9 is fixed on the surface of metal level 3, be connected with a plurality of stiffeners 4 between the edge of beaded finish 9, stiffener 4 is around the central annular array of beaded finish 9, the outside of enhancement layer is equipped with outer pillar 1.

Can carry out insulation protection to the cable through setting up protective layer 8, can increase the compressive property of cable through setting up metal level 3, can play the function of buffering protection through setting up packing layer 2, can increase the whole mechanical properties of cable through setting up additional strengthening, can further improve the mechanical properties of cable through setting up the enhancement layer, wherein the beaded finish 9 can play the effect of resisting radial pressure, the enhancement strip 4 can play the effect of resisting bending and torsional force, outer pillar 1 plays the effect of insulation protection and outside protection.

The shielding layer 7 wraps the outside of the guide core 6, and three guide cores 6 are arranged. And a buffer layer 5 is arranged outside the protective layer 8 and the shielding layer 7, and the buffer layer 5 is made of an insulating material. The reinforcing structure comprises an outer ring 11 and an inner ring 10, the outer ring 11 and the inner ring 10 are coaxially arranged, a plurality of rib plates 12 are vertically connected between the outer ring 11 and the inner ring 10, the rib plates 12 are annularly arrayed around the central lines of the outer ring 11 and the inner ring 10, and the outer ring 11 and the inner ring 10 are embedded in the packing layer 2. The metal layer is made of an aluminum-pressed sheath. The outer ring 11 and the inner ring 10 are arranged to improve the radial pressure resistance of the cable, and the rib plates 12 can increase the relationship between the outer ring 11 and the inner ring 10, so that the mechanical property of the cable is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high tension cable with compress aluminium sheath, includes protective layer (8), be equipped with a plurality of guide core (6) in protective layer (8), its characterized in that, the outside of protective layer (8) is equipped with metal level (3), be equipped with packing layer (2) between metal level (3) and protective layer (8), the equidistance is equipped with additional strengthening in packing layer (2), the outside of metal level (3) is equipped with the enhancement layer, the enhancement layer includes beaded finish (9) that the equidistance set up, the surface at metal level (3) is fixed in beaded finish (9), be connected with a plurality of fillets (4) between the edge of beaded finish (9), fillet (4) are around the central annular array of beaded finish (9), the outside of enhancement layer is equipped with outer pillar (1).

2. A high-voltage cable with an aluminium-extruded sheath according to claim 1, characterized in that the outside of the core (6) is coated with a shielding layer (7), and the number of the cores (6) is three.

3. A high voltage cable with an aluminium extruded sheath according to claim 2, characterized in that the protective layer (8) and outside the shielding layer (7) is provided with a buffer layer (5), the buffer layer (5) being made of an insulating material.

4. The high-voltage cable with the aluminum-extruded sheath according to claim 1, wherein the reinforcing structure comprises an outer ring (11) and an inner ring (10), the outer ring (11) and the inner ring (10) are coaxially arranged, a plurality of ribs (12) are vertically connected between the outer ring (11) and the inner ring (10), the ribs (12) are annularly arrayed around the center line of the outer ring (11) and the inner ring (10), and the outer ring (11) and the inner ring (10) are embedded in the filler layer (2).

5. A high voltage cable having an extruded aluminum sheath according to claim 1 wherein the metal layer is an extruded aluminum sheath.