CN212708391U

CN212708391U - High-strength cable sleeve for power transmission

Info

Publication number: CN212708391U
Application number: CN202020911233.8U
Authority: CN
Inventors: 林婷婷; 周学琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-03-16
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a high strength cable pipe box for electric power transmission, including cable core and anticorrosive functional layer, be provided with the phenolic fiber layer around the cable core, the surface on phenolic fiber layer is provided with insulating protective layer, insulating protective layer's surface is provided with the strengthening layer, the surface on strengthening layer is connected with the inboard of anticorrosive functional layer, anticorrosive functional layer includes the compound resin layer of photocuring, polytetrafluoroethylene layer and polyamide layer. The utility model discloses set up phenolic fiber layer, anticorrosive functional layer, photocuring composite resin layer, polytetrafluoroethylene layer, polyamide layer, strengthening layer and insulating protective layer, reached high strength and anticorrosive effect, solved the staff and carried out when laying underground, can wipe the outward appearance protective sheath of bad cable very easily in laying the process, and the cable can be crooked easily when being used and pull and cause disconnected core to leave the potential safety hazard, lead to the problem of the emergence of accident.

Description

High-strength cable sleeve for power transmission

Technical Field

The utility model relates to a power cable technical field specifically is a high strength cable sleeve for power transmission.

Background

The power cable is used for transmitting and distributing electric energy, the power cable 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, most of the existing cables carry out power transmission underground, along with the continuous progress of the society, the requirements of people on the cable are higher and higher, the cross section of a conductive wire core of the cable is continuously increased, when workers lay underground, the appearance protective sleeve of the cable can be easily scratched in the laying process, and the cable can be easily bent and pulled to cause core breakage when being used, so that potential safety hazards are left, accidents are caused, and therefore a high-strength cable sleeve for power transmission is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength cable pipe box for power transmission possesses high strength and anticorrosive advantage, has solved the staff and has carried out the underground when laying, can wipe the outward appearance protective sheath of bad cable very easily in laying process, and the cable can be easy crooked and draw when being used and cause disconnected core to leave the potential safety hazard, lead to the problem of the emergence of accident.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength cable pipe sleeve for power transmission, includes cable core and anticorrosive functional layer, be provided with the phenolic fiber layer around the cable core, the surface on phenolic fiber layer is provided with insulating protective layer, insulating protective layer's surface is provided with the strengthening layer, the surface and the inboard of anticorrosive functional layer of strengthening layer are connected, anticorrosive functional layer includes photocuring composite resin layer, polytetrafluoroethylene layer and polyamide layer.

Preferably, the inboard of photocuring composite resin layer is connected with the outside on polyamide layer, the inboard of polyamide layer is connected with the top on polytetrafluoroethylene layer, the thickness on polytetrafluoroethylene layer is equal with the thickness on photocuring composite resin layer, the thickness on polyamide layer is 0.5-0.7 times of polytetrafluoroethylene layer thickness.

Preferably, the outer surface of the strengthening layer is connected with the inner side of the polytetrafluoroethylene layer, the material of the strengthening layer is glass fiber, and the thickness of the strengthening layer is 0.7-0.9 times of that of the corrosion-resistant functional layer.

Preferably, the insulating protective layer is made of ethylene propylene rubber, and the thickness of the insulating protective layer is 1.9-2.2 times of that of the reinforcing layer.

Preferably, the wrapping material of the outer surface of the cable core is chloroprene rubber, and the outer surface of the cable core is tightly attached to the inner side of the phenolic fiber layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model is provided with a phenolic fiber layer, the phenolic fiber has the advantages of excellent insulativity and high temperature resistance, an anti-corrosion functional layer is arranged, the anti-corrosion functional layer comprises a light-cured composite resin layer, a polytetrafluoroethylene layer and a polyamide layer, the light-cured composite resin layer is arranged, the light-cured composite resin has the characteristics of high curing speed, high hardness, good flexibility, wear resistance and the like, the pipe sleeve friction damage in the laying process is effectively avoided, the polytetrafluoroethylene layer is arranged, the polytetrafluoroethylene has excellent corrosion resistance, sealing property, electric insulativity and good anti-aging endurance, the polyamide layer is arranged, the polyamide has excellent mechanical strength and wear resistance, the strengthening layer is arranged, the glass fiber is made of glass fiber, the glass fiber has good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength and the like, and the insulating protective layer is arranged, the insulating protective layer is made of ethylene propylene rubber, has the advantages of good electrical insulating property and impact elasticity, and achieves the effects of high strength and corrosion resistance.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a cross-sectional view of the cable core of the structure of the present invention;

fig. 3 is a cross-sectional view of the corrosion-resistant functional layer of the structure of the present invention.

In the figure: 1. a phenolic fiber layer; 2. a corrosion resistant functional layer; 201. a light-curing composite resin layer; 202. a polytetrafluoroethylene layer; 203. a polyamide layer; 3. a strengthening layer; 4. an insulating protective layer; 5. a cable core.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a phenolic fiber layer 1, anticorrosive functional layer 2, photocuring composite resin layer 201, polytetrafluoroethylene layer 202, polyamide layer 203, strengthening layer 3, insulating protective layer 4 and cable core 5 part are the parts that general standard spare or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a high-strength cable sheath for power transmission comprises a cable core 5 and an anti-corrosion functional layer 2, a phenolic fiber layer 1 is arranged around the cable core 5, the phenolic fiber layer 1 is arranged, the phenolic fiber has the advantages of excellent insulation and high temperature resistance, a wrapping material on the outer surface of the cable core 5 is chloroprene rubber, the outer surface of the cable core 5 is tightly attached to the inner side of the phenolic fiber layer 1, an insulating protective layer 4 is arranged on the outer surface of the phenolic fiber layer 1, an insulating protective layer 4 is arranged, the insulating protective layer 4 is made of ethylene propylene rubber, the cable sheath has the advantages of good electrical insulation performance and impact elasticity, high-strength and anti-corrosion effects are achieved, the insulating protective layer 4 is made of ethylene propylene rubber, the thickness of the insulating protective layer 4 is 1.9-2.2 times of that of the reinforcing layer 3, the outer surface of the insulating protective layer 4 is provided with the reinforcing, the outer surface of the strengthening layer 3 is connected with the inner side of the polytetrafluoroethylene layer 202, the strengthening layer 3 is made of glass fiber, the thickness of the strengthening layer 3 is 0.7-0.9 times of that of the anti-corrosion functional layer 2, the outer surface of the strengthening layer 3 is connected with the inner side of the anti-corrosion functional layer 2, the anti-corrosion functional layer 2 comprises a photocuring composite resin layer 201, a polytetrafluoroethylene layer 202 and a polyamide layer 203, the polytetrafluoroethylene layer 202 is arranged, the polytetrafluoroethylene has excellent corrosion resistance, sealing property, electrical insulation property and good ageing resistance, the polyamide layer 203 is arranged, the polyamide has excellent mechanical strength and wear resistance, the photocuring composite resin layer 201 is arranged, the photocuring composite resin has high curing speed, The composite resin layer has the characteristics of high hardness, good flexibility, wear resistance and the like, the pipe sleeve is effectively prevented from being damaged due to friction in the laying process, the inner side of the photocuring composite resin layer 201 is connected with the outer side of the polyamide layer 203, the inner side of the polyamide layer 203 is connected with the top of the polytetrafluoroethylene layer 202, the thickness of the polytetrafluoroethylene layer 202 is equal to that of the photocuring composite resin layer 201, and the thickness of the polyamide layer 203 is 0.5-0.7 times that of the polytetrafluoroethylene layer 202.

When in use, the phenolic fiber layer 1 is arranged, the phenolic fiber has the advantages of excellent insulativity and high temperature resistance, the anti-corrosion functional layer 2 is arranged, the anti-corrosion functional layer 2 comprises the photocuring composite resin layer 201, the polytetrafluoroethylene layer 202 and the polyamide layer 203, the photocuring composite resin layer 201 is arranged, the photocuring composite resin has the characteristics of high curing speed, high hardness, good flexibility, wear resistance and the like, the pipe sleeve friction damage in the laying process is effectively avoided, the polytetrafluoroethylene layer 202 is arranged, the polytetrafluoroethylene has excellent corrosion resistance, sealing property, electric insulativity and good ageing resistance, the polyamide layer 203 is arranged, the polyamide has excellent mechanical strength and wear resistance, the strengthening layer 3 is arranged, the material of the strengthening layer 3 is glass fiber, and the glass fiber has the advantages of good insulativity, strong heat resistance and good corrosion resistance, mechanical strength is high, has set up insulating protective layer 4, and insulating protective layer 4's material is ethylene propylene rubber, has good electrical insulation performance, strikes elastic advantage, has reached high strength and anticorrosive effect, when having solved the staff and having laid underground, can scrape the outward appearance protective sheath of bad cable very easily at the laying process, and the cable can be crooked easily when being used and pull and cause disconnected core to leave the potential safety hazard, lead to the problem of the emergence of accident.

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 high strength cable sheath for power transmission, comprising a cable core (5) and a corrosion-resistant functional layer (2), characterized in that: be provided with phenolic aldehyde fibrous layer (1) around cable core (5), the surface on phenolic aldehyde fibrous layer (1) is provided with insulating protective layer (4), the surface of insulating protective layer (4) is provided with strengthening layer (3), the surface and the inboard of anticorrosive functional layer (2) of strengthening layer (3) are connected, anticorrosive functional layer (2) include photocuring composite resin layer (201), polytetrafluoroethylene layer (202) and polyamide layer (203).

2. The high-strength cable sheath for power transmission according to claim 1, wherein: the inboard of photocuring composite resin layer (201) is connected with the outside of polyamide layer (203), the inboard of polyamide layer (203) is connected with the top of polytetrafluoroethylene layer (202), the thickness of polytetrafluoroethylene layer (202) equals with the thickness of photocuring composite resin layer (201), the thickness of polyamide layer (203) is 0.5-0.7 times of polytetrafluoroethylene layer (202) thickness.

3. The high-strength cable sheath for power transmission according to claim 1, wherein: the outer surface of the strengthening layer (3) is connected with the inner side of the polytetrafluoroethylene layer (202), the material of the strengthening layer (3) is glass fiber, and the thickness of the strengthening layer (3) is 0.7-0.9 times of that of the anti-corrosion functional layer (2).

4. The high-strength cable sheath for power transmission according to claim 1, wherein: the insulating protective layer (4) is made of ethylene propylene rubber, and the thickness of the insulating protective layer (4) is 1.9-2.2 times that of the reinforcing layer (3).

5. The high-strength cable sheath for power transmission according to claim 1, wherein: the outer surface of the cable core (5) is made of chloroprene rubber, and the outer surface of the cable core (5) is tightly attached to the inner side of the phenolic fiber layer (1).