CN210606774U

CN210606774U - Deformable self-recovery elastic power cable

Info

Publication number: CN210606774U
Application number: CN201922174034.3U
Authority: CN
Inventors: 谷红芝; 杜安民; 张朝旭
Original assignee: Henan Yinshui Cable Co Ltd
Current assignee: Henan Yinshui Cable Co Ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-05-22
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses a but deformation self recovery formula elasticity power cable, including the cable core, the outside cover of cable core is equipped with the insulating cover, and the outside cover of insulating cover is equipped with the shielding layer, and the cable core is made for a plurality of groups core transposition, and the center department of a plurality of groups sinle silk alternates and is equipped with first elasticity wire, and every group sinle silk all includes the conductor of four transposition, and the center department of four conductors alternates and is equipped with second elasticity wire, fixes being equipped with a plurality of bellows between insulating cover and the shielding layer, and the inside of every bellows is all fixed and is equipped with the spring, the beneficial effects of the utility model are that: when the cable receives many times, repeated bending and deformation, the resilience through first elastic wire and second elastic wire can make the cable automatic recovery, improves the automatic recovery performance of cable, can play the effect of buffering through the elastic action of spring simultaneously, cooperatees with first elastic wire and second elastic wire and can further improve the ability of automatic recovery.

Description

Deformable self-recovery elastic power cable

Technical Field

The utility model relates to a power cable, in particular to but deformation self-resuming formula elasticity power cable belongs to cable technical field.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.

At present, power cable often need bend in the use, and current power cable is relatively poor from recovery nature, and easy deformation after bending leads to unable reconversion, influences normal use, and the in-process of bending simultaneously causes the cable to take place to split easily, leads to the cable to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can deform from recovery formula elasticity power cable to solve the current relatively poor problem of power cable self-recovery nature that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but deformation self-resuming formula elasticity power cable, includes the cable core, the outside cover of cable core is equipped with insulating cover, insulating cover's outside cover is equipped with the shielding layer, the outside cover of shielding layer is equipped with the outer jacket, the cable core is made for a plurality of groups core transposition, a plurality of groups the center department of sinle silk alternates and is equipped with first elasticity wire, every group the sinle silk all includes the conductor of four transposition, four the center department of conductor alternates and is equipped with second elasticity wire, it is equipped with a plurality of bellows, every to fix between insulating cover and the shielding layer the inside of bellows is all fixed and is equipped with the spring, every the inner wall fixed connection of the outer wall of other and insulating cover and shielding layer is equallyd divide at the both ends of.

As an optimal technical scheme of the utility model, it has insulating filling layer all to fill between the inside of insulating cover and the shielding layer, insulating filling layer is insulating rubber granule.

As an optimal technical scheme of the utility model, insulating cover is made for rubber, the shielding layer is made for the copper mesh.

As an optimal technical scheme of the utility model, the outer jacket is made for the TPE material of high elasticity.

As an optimized technical scheme of the utility model, first elasticity wire and second elasticity wire are high compliance conductive fiber and make.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a but deformation self-resuming formula elasticity power cable, the cable receives many times, when relapse buckle and deformation, resilience through first elasticity wire and second elasticity wire can make cable automatic recovery, improve the automatic recovery performance of cable, the elastic action through the spring can play the effect of buffering simultaneously, cooperate with first elasticity wire and second elasticity wire and can further improve cable automatic recovery's ability, reduce the load of first elasticity wire and second elasticity wire, avoid first elasticity wire and second elasticity wire to become invalid, increase of service life, and the spring can play the effect of shock attenuation buffering to the cable is whole, cause the cable to damage when avoiding the extrusion.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

In the figure: 1. a cable core; 2. an insulating sleeve; 3. a shielding layer; 4. an outer jacket; 5. a wire core; 6. a first elastic wire; 7. a conductor; 8. a second elastic wire; 9. a bellows; 10. a spring; 11. and an insulating filling layer.

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.

Referring to fig. 1, the utility model provides a deformable self-recovery elastic power cable, which comprises a cable core 1, an insulating sleeve 2 is sleeved outside the cable core 1, a shielding layer 3 is sleeved outside the insulating sleeve 2, an outer sheath 4 is sleeved outside the shielding layer 3, the cable core 1 is formed by twisting a plurality of groups of cable cores 5, a first elastic lead 6 is inserted into the center of each group of cable cores 5, each group of cable cores 5 comprises four twisted conductors 7, a second elastic lead 8 is inserted into the center of each of the four conductors 7, the cable can be automatically recovered by the resilience of the first elastic lead 6 and the second elastic lead 8, the automatic recovery performance of the cable is improved, a plurality of corrugated pipes 9 are fixed between the insulating sleeve 2 and the shielding layer 3, a spring 10 is fixed inside each corrugated pipe 9, both ends of each spring 10 are respectively fixedly connected with the outer wall of the insulating sleeve 2 and the inner wall of the shielding layer 3, the elastic action of the spring 10 can play a role of buffering, and the automatic recovery capability of the cable can be further improved by matching the first elastic lead 6 and the second elastic lead 8.

Preferably, the insulating filling layer 11 is filled between the inside of the insulating sleeve 2 and between the insulating sleeve 2 and the shielding layer 3, the insulating filling layer 11 is made of insulating rubber particles, the insulating property can be further improved through the insulating filling layer 11, the insulating sleeve 2 is made of rubber, the shielding layer 3 is made of copper mesh, the insulating effect is achieved through the insulating sleeve 2, the shielding layer 3 plays a role in shielding, meanwhile, the insulating sleeve 2 is matched with the shielding layer 3 to support a plurality of springs 10, the outer sheath 4 is made of high-elasticity TPE materials, the cable is protected while the elasticity of the cable is guaranteed, the first elastic lead 6 and the second elastic lead 8 are made of high-softness conductive fibers, the cable can have strong resilience through the first elastic lead 6 and the second elastic lead 8, and after the cable is deformed under stress, the cable can recover to the original shape under the elasticity of the elastic leads, meanwhile, the cable has conductivity, so that the overall conductivity and current-carrying capacity of the cable can be increased.

When the utility model is used, the utility model relates to a deformable self-recovery elastic power cable, when the power cable is bent and deformed repeatedly for a plurality of times in the using process, the power cable can play the role of elastic support for the cable core 1 through a plurality of first elastic wires 6 and second elastic wires 8, namely, after the force is removed, the cable can be driven to automatically recover under the elastic action of a plurality of first elastic wires 6 and second elastic wires 8, the automatic recovery performance of the whole cable is improved, meanwhile, in the bending deformation process, the spring 10 at the outer side of the bending is stretched under the force, the spring 10 at the inner side is compressed under the force, namely, the spring 10 can play the role of buffering through the elastic action of the spring 10, the capability of automatic recovery of the cable can be further improved through being matched with the first elastic wires 6 and the second elastic wires 8, the load of the first elastic wires 6 and the second elastic wires 8 is reduced, avoid first elastic wire 6 and second elastic wire 8 to become invalid, increase of service life, and when the cable received the extrusion, can play the effect of horizontal shock attenuation buffering to the cable is whole through the elastic action of spring 10, cause the cable to damage when avoiding the extrusion.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 deformable self-recovery elastic power cable comprises a cable core (1) and is characterized in that, an insulating sleeve (2) is sleeved outside the cable core (1), a shielding layer (3) is sleeved outside the insulating sleeve (2), an outer protective layer (4) is sleeved outside the shielding layer (3), the cable core (1) is formed by twisting a plurality of groups of wire cores (5), first elastic leads (6) are inserted into the centers of the groups of wire cores (5), each group of wire cores (5) comprises four twisted conductors (7), second elastic leads (8) are inserted into the centers of the four conductors (7), fixed a plurality of bellows (9) that are equipped with between insulating cover (2) and shielding layer (3), every the inside of bellows (9) is all fixed and is equipped with spring (10), every the inner wall fixed connection of the outer wall of respectively with insulating cover (2) and shielding layer (3) is equallyd divide at the both ends of spring (10).

2. A deformable self-healing elastic power cable according to claim 1, characterized in that: insulating filling layers (11) are filled between the inside of the insulating sleeve (2) and between the inside of the insulating sleeve (2) and the shielding layer (3), and the insulating filling layers (11) are insulating rubber particles.

3. A deformable self-healing elastic power cable according to claim 1, characterized in that: the insulating sleeve (2) is made of rubber, and the shielding layer (3) is made of a copper net.

4. A deformable self-healing elastic power cable according to claim 1, characterized in that: the outer protective layer (4) is made of high-elasticity TPE materials.

5. A deformable self-healing elastic power cable according to claim 1, characterized in that: the first elastic lead (6) and the second elastic lead (8) are both made of conductive fibers with high softness.