CN215731051U

CN215731051U - Multilayer corrosion-resistant power cable

Info

Publication number: CN215731051U
Application number: CN202121845921.XU
Authority: CN
Inventors: 周昕
Original assignee: Guangdong Zhoushi Shenlong Wire Manufacturing Co ltd
Current assignee: Guangdong Zhoushi Shenlong Wire Manufacturing Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-01
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to the technical field of cables and discloses a multilayer corrosion-resistant power cable which comprises a main wire core and an auxiliary wire core, wherein protective sleeves are arranged outside the main wire core and the auxiliary wire core, each protective sleeve comprises an outer layer, a middle layer and an inner layer, the inner layers are arranged inside the outer layers, the inner layers are sleeved outside the main wire core and the auxiliary wire core, the middle layers are clamped between the outer layers and the inner layers, the auxiliary wire cores are uniformly distributed outside the main wire core, the outer walls of the auxiliary wire cores and the outer walls of the main wire cores are both provided with insulating covers, and the outer layers are made of polyvinyl chloride materials. The outer layer is arranged to achieve the effect of integrally protecting the main wire core and the auxiliary wire core, and the middle layer is arranged to achieve the buffering effect, so that when the cable is extruded by external force in daily use, a good compression-resistant effect can be achieved, and the integral service life of the cable is prolonged.

Description

Multilayer corrosion-resistant power cable

Technical Field

The utility model relates to the technical field of cables, in particular to a multilayer corrosion-resistant power cable.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wires, the power cable is used for transmitting and distributing electric energy, the power cable is often used for urban underground power grid, power station leading-out line, power supply inside industrial and mining enterprises and transmission line under river-crossing seawater, in the power line, the proportion of the cable is gradually increased. 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.

The tensile strength of the cable in the prior art is not high, and the cable is easy to break or tear when meeting the working condition of frequent pulling, so that the structure of the existing cable needs to be improved.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a multilayer corrosion-resistant power cable to solve the problems set forth in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a multilayer corrosion-resistant power cable comprises a main wire core and an auxiliary wire core, wherein protective sleeves are arranged outside the main wire core and the auxiliary wire core;

the protective sleeve comprises an outer layer, a middle layer and an inner layer;

the inner layer is arranged inside the outer layer and sleeved outside the main wire core and the auxiliary wire core;

the intermediate layer is sandwiched between the outer layer and the inner layer.

Preferably, vice sinle silk evenly distributed is in the outside of main sinle silk, the outer wall of vice sinle silk and the outer wall of main sinle silk all are provided with insulating skin, reach insulating effect greatly through setting up insulating skin, prevent mutual interference between main sinle silk and the vice sinle silk.

Preferably, the outer layer is made of polyvinyl chloride materials, the thickness of the outer layer is larger than 2mm, and an anti-corrosion material is attached to the outer wall of the outer layer, so that an anti-corrosion effect is achieved, and the service life of the cable is prolonged.

Preferably, outer wall is provided with the antislip strip, the material of antislip strip is rubber, the section shape of antislip strip is semi-circular, thereby can be more stable when the cable is dragging through setting up the antislip strip, can not skid, the construction of being convenient for.

Preferably, the material in intermediate level is silica gel, outer inboard is connected with the joint piece, the joint groove has been seted up to the outer wall in intermediate level, the shape in joint groove matches with the joint piece, joint piece and joint groove joint through the intermediate level that sets up the silica gel material to can reach the effect of buffering, when the cable meets the condition of heavy load, can protect main line core and vice line core, prevent to press absolutely.

Preferably, the material of inlayer is copper, the outer wall of inlayer is seted up flutedly, recess and the inboard protruding joint in intermediate level, thereby the inboard of inlayer and the outer wall contact of vice refill can shield main line core and vice refill through setting up the inlayer, prevent external signal interference.

Preferably, the cavity has been seted up at the middle part of inlayer, link up around the cavity, the inside of cavity is provided with strengthens the strip, the material of strengthening the strip is plastics, sets up cavity and strengthening the strip through the inside at the inlayer to make the inlayer reach the effect of high strength, reach anti tearing effect.

Compared with the prior art, the utility model provides a multilayer corrosion-resistant power cable which has the following beneficial effects:

1. the outer layer is arranged to achieve the effect of integrally protecting the main wire core and the auxiliary wire core, and the middle layer is arranged to achieve the buffering effect, so that when the cable is extruded by external force in daily use, a good compression-resistant effect can be achieved, and the integral service life of the cable is prolonged.

2. According to the utility model, the cavity is arranged in the middle of the inner layer, the reinforcing strip is arranged in the cavity, and the cavity and the reinforcing strip penetrate through the front end and the rear end of the inner layer, so that the cable integrally obtains tensile and tear-resistant effects, and the service life of the cable is further prolonged.

Drawings

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

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 3 is a structural view of an inner layer of the present invention;

FIG. 4 is a structural diagram of an intermediate layer of the present invention.

In the figure: the cable comprises a main cable core 1, a secondary cable core 2, an outer layer 301, a non-slip strip 302, an intermediate layer 303, a clamping block 304, a clamping groove 305, an inner layer 306, a groove 307, a cavity 308 and a reinforcing strip 309.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a multilayer corrosion-resistant power cable comprises a main wire core 1 and an auxiliary wire core 2, wherein protective sleeves are arranged outside the main wire core 1 and the auxiliary wire core 2;

the protective sleeve comprises an outer layer 301, a middle layer 303 and an inner layer 306, the outer layer 301 can be arranged to achieve the effect of integrally protecting the main wire core 1 and the auxiliary wire core 2, and the middle layer 303 is arranged to achieve the buffering effect, so that when the cable is extruded by external force in daily use, a good compression-resistant effect can be achieved, and the integral service life of the cable is prolonged;

the inner layer 306 is arranged inside the outer layer 301, and the inner layer 306 is sleeved outside the main wire core 1 and the auxiliary wire core 2;

the middle layer 303 is sandwiched between the outer layer 301 and the inner layer 306.

Auxiliary core 2 evenly distributed is in main core 1's outside, and auxiliary core 2's outer wall and main core 1's outer wall all are provided with insulating skin, reach insulating effect greatly through setting up insulating skin, prevent mutual interference between main core 1 and the auxiliary core 2.

Outer 301 is made for the polyvinyl chloride material, and the thickness of outer 301 is greater than 2mm, and the outer wall of outer 301 adheres to anticorrosive material to reach anticorrosive effect, increase the life of cable.

The outer wall of outer layer 301 is provided with antislip strip 302, and the material of antislip strip 302 is rubber, and the section shape of antislip strip 302 is semi-circular, thereby can be more stable when the cable is dragging through setting up antislip strip 302, can not skid, the construction of being convenient for.

The material of intermediate level 303 is silica gel, and outer 301 inboard is connected with joint piece 304, and joint groove 305 has been seted up to the outer wall of intermediate level 303, and the shape and the joint piece 304 of joint groove 305 match, joint piece 304 and joint groove 305 joint, through the intermediate level 303 that sets up the silica gel material to can reach the effect of buffering, when the cable met the condition of heavily pressing, can protect main line core 1 and vice line core 2, prevent to press absolutely.

Inner layer 306's material is copper, and recess 307 has been seted up to inner layer 306's outer wall, and recess 307 and the inboard protruding joint of intermediate level 303, the inboard of inner layer 306 and the outer wall contact of vice core 2, thereby can shield main line core 1 and vice core 2 through setting up inner layer 306, prevent external signal interference.

Cavity 308 has been seted up at the middle part of inlayer 306, cavity 308 link up from beginning to end, the inside of cavity 308 is provided with stiffener 309, the material of stiffener 309 is plastics, inside through inlayer 306 sets up cavity 308 and stiffener 309, thereby make inlayer 306 reach the effect of high strength, middle part through at inlayer 306 sets up cavity 308, and set up stiffener 309 in the inside of cavity 308, and cavity 308 and stiffener 309 link up the front and back both ends of inlayer 306, thereby make the whole tensile and anti tearing effect that obtains of cable, further improve the life of cable.

When using, set up outer 301 and can reach the effect to the whole protection of main line core 1 and vice core 2, through setting up intermediate level 303, thereby can reach the effect of buffering, make the cable in daily use, when receiving external force extrusion, can reach good resistance to compression effect, improve the whole life of cable, set up cavity 308 through the middle part at inlayer 306, and set up reinforcing bar 309 in the inside of cavity 308, and cavity 308 and reinforcing bar 309 link up the front and back both ends of inlayer 306, thereby make the cable wholly obtain tensile and tear-resistant effect.

In summary, the outer layer 301 is arranged to achieve the effect of integrally protecting the main wire core 1 and the auxiliary wire core 2, the intermediate layer 303 is arranged to achieve the buffering effect, so that when the cable is extruded by external force in daily use, a good compression-resistant effect can be achieved, the overall service life of the cable is prolonged, the cavity 308 is arranged in the middle of the inner layer 306, the reinforcing strip 309 is arranged in the cavity 308, and the cavity 308 and the reinforcing strip 309 penetrate through the front end and the rear end of the inner layer 306, so that the tensile and tear-resistant effects of the cable are integrally achieved, and the service life of the cable is further prolonged.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a corrosion-resistant power cable of multilayer, includes main core (1) and secondary core (2), its characterized in that: protective sleeves are arranged outside the main wire core (1) and the auxiliary wire core (2);

the protective sleeve comprises an outer layer (301), a middle layer (303) and an inner layer (306);

the inner layer (306) is arranged inside the outer layer (301), and the inner layer (306) is sleeved outside the main wire core (1) and the auxiliary wire core (2);

the intermediate layer (303) is sandwiched between the outer layer (301) and the inner layer (306).

2. A multilayer corrosion resistant power cable according to claim 1, characterized in that: the auxiliary wire cores (2) are uniformly distributed outside the main wire core (1), and the outer walls of the auxiliary wire cores (2) and the main wire core (1) are provided with insulating skins.

3. A multilayer corrosion resistant power cable according to claim 1, characterized in that: the outer layer (301) is made of polyvinyl chloride materials, and the thickness of the outer layer (301) is larger than 2 mm.

4. A multilayer corrosion resistant power cable according to claim 1, characterized in that: the outer wall of outer layer (301) is provided with antislip strip (302), the material of antislip strip (302) is rubber, the cross section shape of antislip strip (302) is semi-circular.

5. A multilayer corrosion resistant power cable according to claim 4, characterized in that: the material of intermediate level (303) is silica gel, the inboard of skin (301) is connected with joint piece (304), joint groove (305) have been seted up to the outer wall of intermediate level (303), the shape and the joint piece (304) of joint groove (305) match, joint piece (304) and joint groove (305) joint.

6. A multilayer corrosion resistant power cable according to claim 5, characterized in that: the material of inlayer (306) is copper, recess (307) are seted up to the outer wall of inlayer (306), recess (307) and the inboard protruding joint of intermediate level (303), the inboard of inlayer (306) contacts with the outer wall of vice core (2).

7. A multilayer corrosion resistant power cable according to claim 6, characterized in that: a cavity (308) is formed in the middle of the inner layer (306), the cavity (308) is communicated front and back, a reinforcing strip (309) is arranged inside the cavity (308), and the reinforcing strip (309) is made of plastic.