CN214312688U

CN214312688U - Anticreep crack control type armor long-life power cable

Info

Publication number: CN214312688U
Application number: CN202120628383.2U
Authority: CN
Inventors: 杨治海
Original assignee: Anhui Shenhua Special Cable Co ltd
Current assignee: Anhui Shenhua Special Cable Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-09-28
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a belong to wire and cable technical field, specifically be an anticreep crack control type armor long-life power cable, which comprises a protective layer, protect the cable outside through the intraformational outer insulating layer of protection, avoid the electric leakage, rethread buffering intraformational blotter cushions pressure, the buffer board in the internal protection layer laminating cavity when the blotter atress pressurizes to certain degree to external force, the pressure homodisperse who makes the buffer board is to the resistance to compression board, and alleviate the pressure that its cable bore through the resistance to compression board, the insulating core that can avoid the cable to be crooked when installation or tie up in the use is inhomogeneous along the produced dynamics of longitudinal displacement, the part probably appears concentrating, form outside crowded stress to the sheath, make the oversheath break.

Description

Anticreep crack control type armor long-life power cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a anticreep crack control type armor long-life power cable.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, in the power line, the proportion of the cable is gradually increased, the power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises various insulated power cables with voltage grades of 1500KV and above, but the strength generated by longitudinal displacement of a bent insulated wire core of the cable during installation or bundling is not uniform, the local part of the cable is concentrated, and stress extruded outwards is formed on a sheath, so that the sheath is broken, and the service life of the power cable is influenced.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned and/or the problem that exists among the current anticreep crack control type armor long-life power cable, provided the utility model discloses.

Therefore, the utility model aims at providing a anticreep crack control type armor long-life power cable can avoid the cable to be uneven along the produced dynamics of longitudinal displacement when the installation or tie up the insulating core of bending in the use, and the part probably appears concentrating, forms outside crowded stress to the sheath, makes the outer sheath crowded brokenly.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a anticreep crack control type armor long-life power cable, includes the protective layer, the inboard fixed mounting of protective layer has the outer insulating layer, the inboard fixed mounting buffer layer of outer insulating layer, the buffer layer includes blotter, abrasion pad, cavity, the inside wall fixed mounting of blotter has the abrasion pad, the cavity has been seted up to the left and right sides of blotter, the inboard fixed mounting of cavity has the resistance to compression board, the inboard fixed mounting of resistance to compression board has the buffer board, the inboard fixed mounting of buffer layer has the inner protective layer.

As an anticreep crack control type armor long-life power cable's an preferred scheme, wherein: the inner side of the inner protective layer is provided with a plurality of wire cores, and the outer sides of the wire cores are wrapped with armor layers.

As an anticreep crack control type armor long-life power cable's an preferred scheme, wherein: and the inner side walls of the wire cores are fixedly provided with wear-resistant rubber blocks.

As an anticreep crack control type armor long-life power cable's an preferred scheme, wherein: the inner cavity of the inner protection layer is filled with fireproof cotton.

As an anticreep crack control type armor long-life power cable's an preferred scheme, wherein: the wear-resistant pad is made of a compression-resistant rubber material.

Compared with the prior art: the outer part of the cable is protected by the outer insulating layer in the protective layer to avoid electric leakage, the pressure is buffered by the buffer cushion in the buffer layer, the inner protective layer is attached to the buffer board in the cavity when the buffer cushion is stressed to a certain degree by external force, so that the pressure of the buffer board is uniformly dispersed to the compression-resistant board, and the pressure borne by the cable is relieved by the compression-resistant board, the uneven force generated by the longitudinal displacement of the bent insulated wire cores of the cable during installation or bundling can be avoided in the using process, the local part can be concentrated, the outward extrusion stress is formed on the sheath, the outer sheath is broken by extrusion, the fireproof cotton filled in the inner protective layer is used for better protecting the inside of the cable, the fireproof buffering effect is achieved, the armor layer and the wear-resistant rubber block are wrapped outside by the core wrap, and the friction among a plurality of wire cores can be avoided in the using process, and wire core damage caused by abrasion among the wire cores is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

fig. 2 is a schematic view of the buffering structure of the present invention.

In the figure: the cable comprises a protective layer 100, an outer insulating layer 110, a buffer layer 120, a buffer pad 130, a wear pad 140, a cavity 150, a pressure resistant plate 160, a buffer plate 170, an inner protective layer 180, an armor layer 190, a cable core 200 and a wear-resistant rubber block 210.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a anticreep crack control type armor long-life power cable for can avoid the insulating core that the cable is crooked when installation or tying up in the use along the produced dynamics of longitudinal displacement inhomogeneous, the part probably appears concentrating, forms outside crowded stress to the sheath, makes the outer sheath crowded brokenly.

Referring to fig. 1-2, an outer insulating layer 110 is fixedly mounted on the inner side of the protective layer 100, a buffer layer 120 is fixedly mounted on the inner side of the outer insulating layer 110, the buffer layer 120 includes a cushion pad 130, a wear pad 140, and a cavity 150, the wear pad 140 is fixedly mounted on the inner side wall of the cushion pad 130, the cavity 150 is opened on the left and right sides of the cushion pad 130, a compression plate 160 is fixedly mounted on the inner side of the cavity 150, a buffer plate 170 is fixedly mounted on the inner side of the compression plate 160, and an inner protective layer 180 is fixedly mounted on the inner side of the buffer layer 120;

referring to fig. 1-2 again, the inner side of the inner protection layer 180 is provided with a plurality of wire cores 200, the outer side of the wire cores 200 is wrapped with the armor layer 190, the inner side walls of the plurality of wire cores 200 are fixedly provided with the wear-resistant rubber blocks 210, the inner cavity of the inner protection layer 180 is filled with the fireproof cotton, and the wear-resistant pad 140 is made of the compression-resistant rubber material.

An anticreep crack control type armor long-life power cable, when in specific use, the technical field personnel pass through; the outer insulating layer in the protective layer 100 protects the outside of the cable to avoid electric leakage, the pressure is buffered through the buffer pad 130 in the buffer layer 120, when the buffer pad 130 is stressed to a certain degree by external force, the inner protective layer is attached to the buffer board 170 in the cavity 150, so that the pressure of the buffer board 170 is uniformly dispersed to the compression-resistant board 160, and the pressure borne by the cable is relieved through the compression-resistant board 160, the uneven force generated by the longitudinal displacement of the bent insulated wire core of the cable during installation or bundling can be avoided in the using process, the local part can be concentrated, the outward extrusion stress is formed on the sheath, the outer sheath is broken, the fireproof cotton filled in the inner protective layer 180 is used for better protecting the inside of the cable, the fireproof buffering effect is achieved, and the armor layer 190 and the wear-resistant rubber block 210 on the outer side are wrapped through the wire core 200, the friction between a plurality of sinle silks 200 can be avoided in the use process, and the sinle silks 200 damage caused by abrasion between the sinle silks 200 is prevented.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a anticreep crack control type armor long-life power cable which characterized in that: including protective layer (100), the inboard fixed mounting of protective layer (100) has outer insulating layer (110), the inboard fixed mounting buffer layer (120) of outer insulating layer (110), buffer layer (120) are including blotter (130), abrasion pad (140), cavity (150), the inside wall fixed mounting of blotter (130) has abrasion pad (140), cavity (150) have been seted up to the left and right sides of blotter (130), the inboard fixed mounting of cavity (150) has resistance board (160), the inboard fixed mounting of resistance board (160) has buffer board (170), the inboard fixed mounting of buffer layer (120) has interior protective layer (180).

2. The anticreep crack control type armor long-life power cable of claim 1, characterized in that: the inner side of the inner protection layer (180) is provided with a plurality of wire cores (200), and the outer sides of the wire cores (200) are wrapped with armor layers (190).

3. The anticreep crack control type armor long-life power cable of claim 1, characterized in that: and the inner side walls of the wire cores (200) are fixedly provided with wear-resistant rubber blocks (210).

4. The anticreep crack control type armor long-life power cable of claim 1, characterized in that: the inner cavity of the inner protection layer (180) is filled with fireproof cotton.

5. The anticreep crack control type armor long-life power cable of claim 1, characterized in that: the wear-resistant pad (140) is made of a pressure-resistant rubber material.