CN210443333U

CN210443333U - Aluminum core armored cable

Info

Publication number: CN210443333U
Application number: CN201921685185.9U
Authority: CN
Inventors: 臧文丙; 孟卫国; 郭汉超
Original assignee: Guangdong Jinke Cable Industry Co Ltd
Current assignee: Guangdong Jinke Cable Industry Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-01
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a power transmission technical field discloses an aluminium core armoured cable, include outer inoxidizing coating, interior inoxidizing coating and the inner core that sets up from outer to interior, the inner core contains many electrically conductive aluminium cores, interior inoxidizing coating is formed by the one deck coiled rubber material is crooked, just interior inoxidizing coating both sides integrated into one piece respectively are equipped with left connecting portion and the right connecting portion that can splice each other, be equipped with adapting unit with the enhancement connection between left side connecting portion and the right connecting portion. The utility model has the advantages of it is following and effect: the left connecting portion and the right connecting portion of the mutual amalgamation of this scheme utilization realize the connection dismantled of interior inoxidizing coating self to this operating personnel takes out the electrically conductive aluminium core of the damage in the inner core of being convenient for, remains the electrically conductive aluminium core that does not damage, thereby reduces extravagantly, reduces the maintenance cost.

Description

Aluminum core armored cable

Technical Field

The utility model relates to a power transmission technical field, in particular to aluminum core armoured cable.

Background

Cables, typically rope-like cables, are formed by stranding several or several groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable may be classified into a power cable, a communication cable, a control cable, and the like according to its use. Compared with an overhead line, the cable has the advantages of small insulating distance between lines, small occupied space, no occupation of space above the ground due to underground laying, no influence of pollution of the surrounding environment, high power transmission reliability, and small interference on personal safety and the surrounding environment. But the cost is high, the construction and the maintenance are troublesome, and the manufacture is complicated. Therefore, the cable is mostly applied to dense areas of population and power grids and places with heavy traffic; when the cable is laid in the river, the river and the seabed, the use of large-span overhead lines can be avoided. Cables may also be used where it is desirable to avoid interference of overhead lines with communications and where aesthetic considerations or exposure to objects are desired.

The aluminum core armored cable is a common cable in road and bridge engineering and is generally laid in rooms, tunnels, pipelines, cable ducts and loose soil.

At present, chinese patent with publication number CN206075887U discloses a wire and cable, which has three conductors, including a polyethylene insulating layer, the three conductors are covered by the polyethylene insulating layer, a metal shielding layer is arranged outside the polyethylene insulating layer, a waterproof film is arranged outside the metal shielding layer, and a polyvinyl chloride insulating layer is arranged outside the waterproof film; the isolation plastic is arranged in the polyethylene insulating layer and used for isolating the three conductors respectively, the isolation plastic is connected with the inner wall of the polyethylene insulating layer, the conductive paint is arranged in the isolation plastic, and the conductive paint is located between the three conductors. The utility model discloses an electrically conductive lacquer is setting up inside keeping apart the plastic to form the electromagnetic shield, make and can not receive electromagnetic interference between the adjacent conductor, but wire and cable normal use.

The above prior art solutions have the following drawbacks: because the main body conductive structure comprises three conductors, if only one conductor fails to cause the damage of the electric wire, an operator usually replaces the whole damaged cable, and the mode wastes undamaged conductors and improves the maintenance cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing an aluminium core armoured cable can remain the intact wire rod of part when changing the damage cable, reduces extravagantly, reduces the maintenance cost.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an aluminium core armoured cable, includes outer inoxidizing coating, interior inoxidizing coating and the inner core that sets up from outer to interior, the inner core contains many electrically conductive aluminium cores, interior inoxidizing coating is formed by the bending of one deck rubber coiled material, just interior inoxidizing coating both sides integrated into one piece respectively are equipped with left connecting portion and the right connecting portion that can splice each other, be equipped with adapting unit between left side connecting portion and the right connecting portion in order to strengthen the connection.

Through adopting above-mentioned technical scheme, utilize left connecting portion and the right connecting portion of mutual amalgamation to realize the connection dismantled of interior inoxidizing coating self to this operating personnel takes out the electrically conductive aluminium core of the damage in the inner core, remains the electrically conductive aluminium core that does not damage, thereby reduces extravagantly, reduces the maintenance cost.

The utility model discloses further set up to, adapting unit distributes at a plurality of connection pieces at left connecting portion edge, each including arranging be fixed with the grafting post on the connection piece, right side connecting portion edge arrangement distributes and has a plurality of spread grooves, spread groove and connection piece one-to-one, and each seted up the confession on the spread groove the inserted spliced eye of grafting post.

The utility model discloses further set up to, the spliced pole with the spliced eye shape is the same, is the round platform shape.

The utility model discloses further set up to, integrated into one piece has the multichannel sand grip on the left side connecting portion, seted up on the connecting portion of the right side multichannel with the recess of sand grip amalgamation.

The utility model discloses further set up to, be fixed with on the outer inoxidizing coating inside wall a plurality ofly with the elastic projection of contradicting in the interior inoxidizing coating outside.

The utility model discloses further set up to, outer inoxidizing coating is made by vulcanized rubber.

To sum up, the utility model discloses a beneficial technological effect does:

1. according to the scheme, the inner protective layer is detachably connected by the left connecting part and the right connecting part which are spliced with each other, so that an operator can conveniently take out the damaged conductive aluminum core in the inner core and reserve the undamaged conductive aluminum core, waste is reduced, and the maintenance cost is reduced;

2. the scheme realizes the reinforcement of the connection between the left connecting part and the right connecting part by utilizing the insertion matching of the truncated cone-shaped insertion hole and the insertion column, thereby facilitating the maintenance of operators;

3. in the scheme, the tight splicing is formed by matching the grooves and the raised lines, so that the sealing performance and the waterproof performance of the inner protective layer are improved;

4. the elastic lug that this scheme utilization vulcanized rubber made makes and has the space between outer inoxidizing coating and the interior inoxidizing coating to this has increased the space that outer inoxidizing coating warp, has reduced the cracked possibility of outer inoxidizing coating.

Drawings

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

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of the inner protective layer of the present invention.

Reference numerals: 1. an outer protective layer; 11. an elastic bump; 2. an inner protective layer; 21. a left connecting portion; 211. a convex strip; 22. a right connecting portion; 221. a groove; 23. a connecting member; 231. connecting sheets; 232. inserting the column; 233. connecting grooves; 234. inserting holes; 3. an inner core.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, an aluminum core armored cable comprises an outer protective layer 1, an inner protective layer 2 and an inner core 3 which are arranged from outside to inside, wherein the outer protective layer 1 is made of vulcanized rubber and has good elasticity and toughness; the inner protective layer 2 is formed by bending a layer of rubber coiled material and also has good elasticity and toughness. The inner core 3 is composed of a plurality of conductive aluminum cores and plays a role in conducting electricity. Be equipped with a plurality of elastic convex blocks 11 on 1 inside wall of outer inoxidizing coating, elastic convex block 11 and 1 integrated into one piece of outer inoxidizing coating, and elastic convex block 11 is contradicted with the outside of interior inoxidizing coating 2, there is the space between elastic convex block 11's setting messenger outer inoxidizing coating 1 and interior inoxidizing coating 2, when outer inoxidizing coating 1 receives pressure, the existence in space is convenient for outer inoxidizing coating 1 to warp the buffering, the buffer capacity of outer inoxidizing coating 1 has been improved, and with external force transmission to interior inoxidizing coating 2, the cracked possibility of outer inoxidi.

As shown in fig. 1 and 2, a left connecting portion 21 and a right connecting portion 22 are respectively disposed on two sides of the inner protective layer 2, the left connecting portion 21 and the right connecting portion 22 are integrally formed with the inner protective layer 2, and the left connecting portion 21 and the right connecting portion 22 can be spliced together. A plurality of convex strips 211 are integrally formed on the left connecting part 21, and the length direction of the convex strips 211 is the same as that of the cable; the right connecting part 22 is provided with a plurality of grooves 221, the grooves 221 correspond to the convex strips 211 one by one, and the grooves 221 can be spliced with the convex strips 211, so that the sealing performance and the waterproof performance of the inner protective layer 2 are improved. As shown in fig. 3, a connection part 23 is disposed between the left connection part 21 and the right connection part 22, the connection part 23 includes a plurality of connection pieces 231 and a plurality of connection slots 233, the plurality of connection pieces 231 are uniformly arranged and distributed at the edge of the left connection part 21, the plurality of connection slots 233 are uniformly arranged and distributed at the edge of the right connection part 22, and the connection pieces 231 and the connection slots 233 correspond to each other one to one. Each connecting piece 231 is provided with an inserting column 232, the inserting column 232 is in a round table shape, and one end with larger area is fixed with the connecting piece 231. Each connecting groove 233 is provided with a plugging hole 234 for the plugging column 232 to insert, and the plugging cooperation of the truncated cone-shaped plugging hole 234 and the plugging column 232 realizes the reinforcement of the connection between the left connecting part 21 and the right connecting part 22. And the left connecting part 21 and the right connecting part 22 which are spliced mutually realize the detachable connection of the inner protective layer 2, so that an operator can take out the damaged conductive aluminum core in the inner core 3 conveniently.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an aluminium core armoured cable, includes outer inoxidizing coating (1), interior inoxidizing coating (2) and inner core (3) that set up from outer to interior, inner core (3) contain many electrically conductive aluminium cores, characterized by: interior inoxidizing coating (2) are formed by the bending of one deck rubber coiled material, just interior inoxidizing coating (2) both sides integrated into one piece respectively are equipped with left connecting portion (21) and right connecting portion (22) that can splice each other, be equipped with adapting unit (23) between left side connecting portion (21) and right connecting portion (22) with the reinforced connection.

2. An aluminium-core armoured cable according to claim 1, characterized in that: the connecting part (23) comprises a plurality of connecting pieces (231) which are distributed at the edge of the left connecting part (21) in an arrayed manner, each connecting piece (231) is fixedly provided with an inserting-connecting column (232), the edge of the right connecting part (22) is distributed with a plurality of connecting grooves (233) in an arrayed manner, the connecting grooves (233) correspond to the connecting pieces (231) in a one-to-one manner, and each connecting groove (233) is provided with an inserting-connecting hole (234) for the inserting-connecting column (232) to insert.

3. An aluminium-core armoured cable according to claim 2, characterized in that: the plug column (232) and the plug hole (234) are in the same shape and are in a circular truncated cone shape.

4. An aluminium-core armoured cable according to claim 1, characterized in that: a plurality of convex strips (211) are integrally formed on the left connecting part (21), and a plurality of grooves (221) spliced by the convex strips (211) are formed in the right connecting part (22).

5. An aluminium-core armoured cable according to claim 1, characterized in that: a plurality of elastic lugs (11) which are abutted against the outer side of the inner protective layer (2) are fixed on the inner side wall of the outer protective layer (1).

6. An aluminium-core armoured cable according to claim 5, characterized in that: the outer protective layer (1) is made of vulcanized rubber.