CN217933241U

CN217933241U - Copper-clad steel grounding wire

Info

Publication number: CN217933241U
Application number: CN202222237412.XU
Authority: CN
Inventors: 黄国华; 王建华
Original assignee: YANCHENG LEISIDA ELECTRICAL EQUIPMENT CO Ltd
Current assignee: YANCHENG LEISIDA ELECTRICAL EQUIPMENT CO Ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-29
Anticipated expiration: 2032-08-25

Abstract

The utility model provides a copper covers steel earth connection, include: a protective sleeve; the compression-resistant core is arranged inside the protective sleeve; the copper-clad steel strand is arranged inside the protective sleeve and wound on the outer surface of the pressure-resistant core; and a filling layer is arranged in the protective sleeve and between the anti-pressure core and the six copper-clad steel strands. The utility model provides a copper covers steel earth connection adopts the mode that the equidistance encircleed to set up through strengthening the core, can further improve the bulk strength of earth connection to and through the setting of resistance to compression core, be used for improving the holistic resistance to compression effect of earth connection, improved the life of earth connection, cover steel strand wires through copper moreover and include sinle silk, fire-retardant cover, radiation shield, copper layer and inoxidizing coating equipment, can further improve the fire-resistant corrosion resisting property of earth connection, and can further improve the electrically conductive effect of earth connection.

Description

Copper-clad steel grounding wire

Technical Field

The utility model relates to an earth connection field especially relates to a copper covers steel earth connection.

Background

The grounding wire is a wire directly connected with the earth and can also be called as a safety return line, high voltage is directly transferred to the earth in danger, a wire can be connected to the upper surface of a metal shell of an electric appliance to avoid accidents, the other end of the wire is connected to the ground, and once the electric appliance leaks electricity, the grounding wire brings static electricity to the ground to be released.

In order to ensure safe use of electrical equipment and safe maintenance of power, a corresponding ground wire is usually installed to ensure safe subsequent operation.

Copper covers steel strand wires is a combined material that combines the good electric conductivity of copper, corrosion resistance and the high strength of steel into an organic whole, and traditional copper covers steel strand wires in the in-process of in-service use, compressive property is relatively poor, when carrying out the earth connection and laying, or external equipment processes, and the damage of the inside sinle silk of earth connection all appears easily, and then influences electric conductivity.

Therefore, it is necessary to provide a copper-clad steel grounding wire to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a copper covers steel earth connection has solved the relatively poor problem of compressive property.

In order to solve the technical problem, the utility model provides a copper covers steel earth connection includes:

a protective sleeve;

the compression-resistant core is arranged inside the protective sleeve;

the copper-clad steel strand is arranged inside the protective sleeve and wound on the outer surface of the pressure-resistant core;

a filling layer is arranged in the protective sleeve and between the compression-resistant core and the outer parts of the six copper-clad steel strands, at least ten reinforcing cores are fixedly connected in the protective sleeve, and the ten reinforcing cores are arranged in the protective sleeve in an equidistant surrounding manner;

the copper-clad steel strand comprises a wire core, a flame-retardant sleeve, a heat insulation sleeve, a copper layer and a protective layer.

Preferably, the flame-retardant sleeve is fixed on the outer surface of the wire core, and the heat insulation sleeve is fixed on the outer surface of the flame-retardant sleeve.

Preferably, the copper layer is fixed on the outer surface of the heat insulation sleeve, and the protective layer is fixed on the outer surface of the copper layer.

Preferably, the flame-retardant sleeve is made of viscose fibers, the heat insulation sleeve is made of ceramic fibers, and the protective layer is a flame-retardant low-smoke halogen-free polyolefin sheath layer.

Preferably, the filling layer is formed by polypropylene filling strips.

Preferably, the outer surface of the pressure-resistant core is fixedly connected with a pressure-resistant sleeve, and the outer surface of the pressure-resistant sleeve is fixedly connected with a wear-resistant sleeve.

Preferably, the compression-resistant sleeve is an aluminum-clad copper armor layer, the compression-resistant core is a steel core, and the wear-resistant sleeve is made of hard rubber materials.

Compared with the prior art, the utility model provides a copper covers steel earth connection has following beneficial effect:

the utility model provides a copper covers steel earth connection adopts the mode that the equidistance encircleed to set up through strengthening the core, can further improve the bulk strength of earth connection to and through the setting of resistance to compression core, be used for improving the holistic resistance to compression effect of earth connection, improved the life of earth connection, cover steel strand wires through copper moreover and include sinle silk, fire-retardant cover, radiation shield, copper layer and inoxidizing coating equipment, can further improve the fire-resistant corrosion resisting property of earth connection, and can further improve the electrically conductive effect of earth connection.

Drawings

Fig. 1 is a schematic structural diagram of a copper-clad steel ground wire according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of the copper-clad steel strand shown in FIG. 1;

fig. 3 is a schematic structural view of a second embodiment of the copper-clad steel ground wire provided by the present invention.

Reference numbers in the figures: 1. a protective sleeve; 2. a compression resistant core; 21. a compression-resistant sleeve; 22. a wear-resistant sleeve; 3. coating a steel strand with copper; 31. a wire core; 32. a flame-retardant sleeve; 33. a heat insulating sleeve; 34. a copper layer; 35. a protective layer; 4. a filling layer; 5. and (7) reinforcing the core.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

First embodiment

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a copper-clad steel ground wire according to a first embodiment of the present invention; fig. 2 is a schematic structural view of the copper-clad steel strand shown in fig. 1. The steel earth connection is covered to copper includes:

a protective sleeve 1;

the compression-resistant core 2 is arranged in the protective sleeve 1;

at least six copper-clad steel strands 3, wherein the six copper-clad steel strands 3 are all arranged inside the protective sleeve 1, and the six copper-clad steel strands 3 are all wound on the outer surface of the anti-pressure core 2;

a filling layer 4 is arranged inside the protective sleeve 1 and between the compression-resistant core 2 and the outer parts of the six copper-clad steel strands 3, at least ten reinforcing cores 5 are fixedly connected inside the protective sleeve 1, and the ten reinforcing cores 5 are arranged inside the protective sleeve 1 in an equidistant surrounding manner;

the copper-clad steel strand 3 comprises a wire core 31, a flame-retardant sleeve 32, a heat insulation sleeve 33, a copper layer 34 and a protective layer 35.

The flame-retardant sleeve 32 is fixed on the outer surface of the wire core 31, and the heat insulation sleeve 33 is fixed on the outer surface of the flame-retardant sleeve 32;

through the setting of fire-retardant cover 32 for the heat that sends the sinle silk is fire-retardant, avoids appearing the problem of burning that generates heat.

The copper layer 34 is fixed on the outer surface of the heat insulation sleeve 33, and the protective layer 35 is fixed on the outer surface of the copper layer 34;

through the setting of radiation shield 33 for the heat that sends sinle silk 31 is completely cut off, avoids causing the holistic damage of earth connection.

The flame-retardant sleeve 32 is made of viscose fibers, the heat insulation sleeve 33 is made of ceramic fibers, and the protective layer 35 is a flame-retardant low-smoke halogen-free polyolefin sheath layer;

the viscose fiber has the functions of ventilation and static resistance, and the ceramic fiber has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity and the like.

The filling layer 4 adopts polypropylene to form filling strips;

the polypropylene is a semi-crystalline thermoplastic plastic, has high impact resistance and high mechanical property toughness, resists corrosion of various organic solvents and acid and alkali, and is used for improving the impact resistance and the corrosion resistance of the grounding wire.

The utility model provides a copper covers steel earth connection's theory of operation as follows:

through fire-retardant cover 32's setting, be used for carrying on fire-retardantly to the heat that sinle silk 31 sent, avoid appearing the problem of burning that generates heat, setting through radiation shield sleeve 33, be used for the heat that sends sinle silk 31 to completely cut off, avoid causing the holistic damage of earth connection, through fire-retardant cover 32's setting, can improve the antistatic function of earth connection, and through radiation shield sleeve 33's setting, can improve the high temperature resistant of earth connection, advantages such as thermal stability is good, through filling layer 4's setting, can further strengthen the impact resistance of electric connection, mechanical property is tough, multiple organic solvent resistance and acid-base corrosion.

Second embodiment

Referring to fig. 3, a second embodiment of the present application provides another copper-clad-steel grounding wire based on the copper-clad-steel grounding wire provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the copper-clad steel ground wire provided in the second embodiment of the present application is different in that a compression sleeve 21 is fixedly connected to the outer surface of the compression-resistant core 2, a wear-resistant sleeve 22 is fixedly connected to the outer surface of the compression-resistant sleeve 21, the compression-resistant sleeve 21 adopts an aluminum-clad copper armor layer, the compression-resistant core 2 adopts a steel core, and the wear-resistant sleeve 22 is made of a hard rubber material;

through the setting of resistance to compression cover 21 for improve the intensity of resistance to compression core 2, through the setting of wear-resisting cover 22 moreover, be used for improving the wear resistance of resistance to compression core 2, solved because the friction between copper clad steel strand wires 3 and the resistance to compression core 2, so that the damage of resistance to compression core 2.

The above is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent processes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims

1. A copper-clad steel grounding wire is characterized by comprising:

a protective sleeve (1);

the compression-resistant core (2), the compression-resistant core (2) is arranged inside the protective sleeve (1);

the copper-clad steel wire protective sleeve is characterized by comprising at least six copper-clad steel stranded wires (3), wherein the six copper-clad steel stranded wires (3) are all arranged in the protective sleeve (1), and the six copper-clad steel stranded wires (3) are all wound on the outer surface of the compression-resistant core (2);

a filling layer (4) is arranged inside the protective sleeve (1) and between the pressure-resistant core (2) and the six copper-coated steel strands (3), at least ten reinforcing cores (5) are fixedly connected inside the protective sleeve (1), and the ten reinforcing cores (5) are arranged inside the protective sleeve (1) in an equidistant surrounding manner;

the copper-coated steel strand (3) comprises a wire core (31), a flame-retardant sleeve (32), a heat insulation sleeve (33), a copper layer (34) and a protective layer (35).

2. The copper-clad steel grounding wire according to claim 1, wherein the flame-retardant jacket (32) is fixed on the outer surface of the wire core (31), and the heat insulating jacket (33) is fixed on the outer surface of the flame-retardant jacket (32).

3. The copper-clad steel grounding wire according to claim 1, wherein the copper layer (34) is fixed to the outer surface of the thermal insulating sleeve (33), and the protective layer (35) is fixed to the outer surface of the copper layer (34).

4. The copper-clad steel ground wire of claim 1, wherein the flame-retardant sleeve (32) is made of viscose fibers, the heat-insulating sleeve (33) is made of ceramic fibers, and the protective layer (35) is made of a flame-retardant low-smoke halogen-free polyolefin sheath layer.

5. The copper-clad steel grounding wire of claim 1, wherein the filling layer (4) adopts a polypropylene molding filling strip.

6. The copper-clad steel grounding wire of claim 1, wherein a compression sleeve (21) is fixedly connected to the outer surface of the compression core (2), and a wear-resistant sleeve (22) is fixedly connected to the outer surface of the compression sleeve (21).

7. The copper-clad steel grounding wire according to claim 6, wherein the compression-resistant sleeve (21) adopts an aluminum-clad copper armor layer, the compression-resistant core (2) adopts a steel core, and the wear-resistant sleeve (22) adopts a hard rubber material.