CN213367368U

CN213367368U - Cable for power transmission

Info

Publication number: CN213367368U
Application number: CN202022230568.6U
Authority: CN
Inventors: 黎雪燕
Original assignee: Guoyou Cable Group Co Ltd
Current assignee: Guoyou Cable Group Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-04
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to the technical field of cables, and discloses a cable for electric power transmission, which is characterized in that a plurality of equally spaced bulges are arranged on one side edge of an upper semi-ring and a lower semi-ring of a cable sheath, a plurality of sliding grooves corresponding to the bulges are arranged on the other side edge, when the cable sheath is replaced, the lower semi-ring is supported below the cable by hands, then the upper semi-ring is placed above the cable, the semi-ring is pushed by hands, the sliding is carried out through the bulges and the sliding grooves of the upper semi-ring and the sliding grooves and the bulges of the lower semi-ring, the whole cable is not required to be cut off, resources are saved, the installation is convenient, a second cavity is arranged at the middle position of the cable sheath, when the cable sheath is damaged and damaged, a knife is used for cutting along the second cavity at the positions of the upper semi-ring and the lower semi-ring of the damaged cable sheath, the cable sheath is convenient to peel, a plurality, when gravity presses on the cable, the first cavity of triangle-shaped takes place deformation, plays slow effect.

Description

Cable for power transmission

Technical Field

The utility model relates to the technical field of cables, specifically be a cable for electric power transmission.

Background

The cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, wherein the proportion of the cable in a power line is gradually increased, various insulated power cables are generally cables which are twisted by a plurality of or a plurality of groups of wires (at least two in each group) and are similar to ropes, each group of wires are mutually insulated and are usually twisted around a center, a highly insulated covering layer is wrapped outside the whole cable, the cable has a plurality of purposes, is mainly used for controlling installation, connecting equipment, transmitting power and the like, is a common and indispensable object in daily life, and needs to be particularly careful due to the fact that the cable is electrified.

The electric power transmission cable that current building site used is laid usually on open air subaerial for the cable outside suffers the damage easily, leads to the copper wire to expose in the external world, and during the maintenance, need all cut whole section cable, resource-wasting, and it is not convenient to change.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cable for electric power transmission has solved the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a cable for power transmission comprises a cable core and an insulating sleeve wrapped on the outer side of the cable core, wherein a rubber sleeve is arranged on the outer side of the insulating sleeve, insulating filler is filled between the rubber sleeve and the insulating sleeve, and a cable sheath is arranged on the outer side of the rubber sleeve;

the cable sheath comprises an upper half ring and a lower half ring, wherein a plurality of equally spaced protrusions are arranged on one side of the upper half ring and one side of the lower half ring, and a plurality of sliding grooves corresponding to the protrusions are formed in the other side of the upper half ring and the other side of the lower half ring.

Preferably, a plurality of first cavities are formed in the cable sheath.

Preferably, the insulating filler and the insulating sheath are made of polyolefin.

Preferably, the cable sheath material is polyvinyl chloride.

Preferably, a second cavity is formed in the middle of the cable sheath.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of cable for power transmission sets up a plurality of equidistant archs through a side at the first ring of cable sheath and lower semi-ring, and a plurality of spouts that correspond with the arch are seted up to another side, and when the cable sheath was changed, with the hand rest of lower semi-ring in the cable below, then put the last semi-ring in the cable top, with push up the semi-ring, through the arch of last semi-ring and spout and the spout of lower semi-ring and protruding corresponding slip can, need not cut whole section cable, resources are saved, the installation is convenient.

2. This kind of cable for electric power transmission through seting up the second cavity at cable sheath intermediate position, when the cable sheath received the damage, with the sword along the second cavity of the first ring of impaired cable sheath and the second ring internal position of lower ring, be convenient for skin, set up the first cavity of a plurality of three horn shapes in the cable sheath, when gravity pressed on the cable, the first cavity of three horn shapes takes place to deform, plays the cushioning effect.

Drawings

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

FIG. 2 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 3 is a schematic view of the cable sheath structure of the present invention.

In the figure: 1. a cable core; 2. an insulating sleeve; 3. a rubber sleeve; 4. an insulating filler; 5. a cable jacket; 501. an upper half ring; 502. a lower half ring; 503. a protrusion; 504. a chute; 505. a first cavity; 506. a second cavity.

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.

Examples

Referring to fig. 1-3, a cable for power transmission includes a cable core 1 and an insulating sleeve 2 wrapped outside the cable core 1, a rubber sleeve 3 is disposed outside the insulating sleeve 2, an insulating filler 4 is filled between the rubber sleeve 3 and the insulating sleeve 2, the insulating filler 4 and the insulating sleeve 2 are made of polyolefin, the polyolefin has good electrical insulation, a cable sheath 5 is disposed outside the rubber sleeve 3, a plurality of first cavities 505 are disposed in the cable sheath 5, when gravity presses on the cable, the triangular first cavities 505 deform to play a role in buffering, a second cavity 506 is disposed in the middle of the cable sheath 5, when the cable sheath 5 is damaged, peeling is facilitated, the cable sheath 5 is made of polyvinyl chloride, the polyvinyl chloride has high stability, and most important is weather resistance and powdering resistance, and the service life of the cable is prolonged;

the cable sheath 5 comprises an upper half ring 501 and a lower half ring 502, wherein a plurality of protrusions 503 with equal intervals are arranged on one side of the upper half ring 501 and the lower half ring 502, and a plurality of sliding grooves 504 corresponding to the protrusions 503 are arranged on the other side of the upper half ring 501 and the lower half ring 502.

The working principle is as follows: when the cable sheath is in operation, the rubber sleeve 3 is arranged on the outer side of the insulating sleeve 2, the cable sheath 5 is arranged on the outer side of the rubber sleeve 3, a plurality of protrusions 503 with equal intervals are arranged on one side edge of the upper half ring 501 and the lower half ring 502 of the cable sheath 5, a plurality of sliding grooves 504 corresponding to the protrusions 503 are arranged on the other side edge of the upper half ring 501 and the lower half ring 502, when the cable sheath 5 is damaged, a knife is used for cutting along the second cavity 506 at the positions in the upper half ring 501 and the lower half ring 502 of the damaged cable sheath 5 so as to be convenient for peeling, then the cable sheath 5 is prepared according to the length required to be replaced, the lower half ring 502 is firstly supported below the cable by hand, then the upper half ring 501 is placed above the cable, the half rings 501 are pushed by hand, the protrusions 503 of the upper half rings 501 and the sliding grooves 504 correspond to the sliding grooves 504 and the protrusions 503 of the lower half rings 502, a plurality of triangular, when gravity presses on the cable, the triangular first cavity 505 deforms, playing a role in relief.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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. A cable for power transmission comprises a cable core (1) and an insulating sleeve (2) wrapped on the outer side of the cable core (1), and is characterized in that a rubber sleeve (3) is arranged on the outer side of the insulating sleeve (2), an insulating filler (4) is filled between the rubber sleeve (3) and the insulating sleeve (2), and a cable sheath (5) is arranged on the outer side of the rubber sleeve (3);

the cable sheath (5) comprises an upper half ring (501) and a lower half ring (502), a plurality of protrusions (503) which are equidistant are arranged on one side of the upper half ring (501) and one side of the lower half ring (502), and a plurality of sliding grooves (504) corresponding to the protrusions (503) are formed in the other side of the upper half ring (501) and the other side of the lower half ring (502).

2. A cable for electric power transmission according to claim 1, wherein said cable sheath (5) has a plurality of first cavities (505) formed therein.

3. A cable for electric power transmission according to claim 1, characterized in that the insulating filler (4) and the insulating sheath (2) are made of polyolefin.

4. A cable for electric power transmission according to claim 1, wherein the material of the cable sheath (5) is polyvinyl chloride.

5. The cable for power transmission according to claim 1, wherein a second cavity (506) is opened at a middle position of the cable sheath (5).