CN210575191U

CN210575191U - Insulating cable for underground coal mine

Info

Publication number: CN210575191U
Application number: CN201921980116.0U
Authority: CN
Inventors: 胡东岳
Original assignee: Yingdong Cable Co Ltd
Current assignee: Yingdong Cable Co Ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-05-19
Anticipated expiration: 2029-11-16

Abstract

The utility model provides a colliery is insulated cable for pit, including protective sheath and cable core, nylon non-woven fabrics layer is established to protective sheath inner circle ring, the mica cover is established to nylon non-woven fabrics layer inner circle ring, the silica gel insulating layer is established to mica cover inner circle ring, be equipped with ground connection sinle silk in the silica gel insulating layer, silica gel insulating layer inner circle is equipped with the cable core, the cable core is formed by a plurality of auxiliary conductor transposition of leading body and outer lane, leading body outer lane is equipped with butadiene rubber insulation layer, the auxiliary conductor outer circle is equipped with the polyvinyl chloride insulating layer, the silica gel insulating layer with it weaves shielding material still to fill nickel-plated copper wire between the cable core. The utility model has good conductivity, weather resistance and high temperature resistance, is mainly applied to underground, is waterproof and moisture-proof, and has high shielding property; the design of the main conductor and the auxiliary conductor is adopted, so that the transmission efficiency can be improved, the underground high-power utilization device is suitable for underground high-power utilization, and the overall structure of the cable is stable.

Description

Insulating cable for underground coal mine

Technical Field

The utility model relates to the technical field of cables, specifically a colliery is insulated cable for pit.

Background

The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. In the mining work of coal mines, because factors such as underground darkness and long-term moist working environment, traditional cable can't satisfy the requirement of actual work because the cable core is less, and insulating nature is general, causes danger easily in the pit.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a colliery is insulated cable for pit has solved the problem of proposing in the background art.

In order to achieve the above object, the utility model discloses a technical scheme be:

the utility model provides an insulating cable is used in pit in colliery, includes protective sheath and cable core, nylon non-woven fabrics layer is established to protective sheath inner circle ring, the mica cover is established to nylon non-woven fabrics layer inner circle ring, the silica gel insulating layer is established to mica cover inner circle ring, be equipped with the earth core in the silica gel insulating layer, silica gel insulating layer inner circle is equipped with the cable core, the cable core is formed by a plurality of auxiliary conductors transposition of leading conductor and outer lane, leading conductor outer lane is equipped with the butadiene rubber insulating layer, the auxiliary conductor outer circle is equipped with the polyvinyl chloride insulating layer, the silica gel insulating layer with nickel-plated copper wire woven shield material still fills between the cable core.

To the utility model discloses further description, the protective sheath still is equipped with the protruding piece of rubber, the protruding piece of rubber inserts inside the nylon non-woven fabrics layer.

To the utility model discloses further describe in, the material that the protective sheath adopted is wear-resisting rubber.

To the further description of the present invention, the mica sleeve is a lining tube made of mica powder.

To the further description of the present invention, the outer ring of the polybutadiene rubber insulation layer is further provided with a polyvinyl chloride insulation layer.

To the further description of the present invention, the main conductor and the auxiliary conductor are made of copper wires.

Compared with the prior art, the utility model has the advantages that: the conductive performance is good, weather-proof and high-temperature resistant, and the conductive material is mainly applied to underground, waterproof, moisture-proof and high in shielding property; the design of the main conductor and the auxiliary conductor is adopted, so that the transmission efficiency can be improved, the underground high-power utilization device is suitable for underground high-power utilization, and the overall structure of the cable is stable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1, as shown in figure 1:

the utility model provides a colliery is insulated cable for pit, including protective sheath 1 and cable core, nylon non-woven fabrics layer 2 is established to 1 inner circle ring of protective sheath, mica cover 3 is established to 2 inner circle rings on nylon non-woven fabrics layer, silica gel insulating layer 4 is established to 3 inner circle rings on mica cover, be equipped with earthing wire core 10 in the silica

gel insulating layer

4, 4 inner circles on silica gel insulating layer are equipped with the cable core, the cable core is formed by the transposition of a plurality of auxiliary conductors 6 of leading conductor 8 and outer lane, 8 outer lanes of leading conductor are equipped with butadiene

rubber insulating layer

9, 6 outer lanes of auxiliary conductors are equipped with polyvinyl chloride insulating layer 7, still fill nickel-plated copper wire between silica.

According to a preferred technical scheme of the embodiment, the protective sleeve 1 is further provided with a rubber bump 11, and the rubber bump 11 is inserted into the nylon non-woven fabric layer 2.

According to the preferable technical scheme, the protective sleeve 1 is made of wear-resistant rubber.

In a preferred embodiment of this embodiment, the mica sleeve 3 is an inner lining tube made of mica powder.

In a preferable technical scheme of this embodiment, a polyvinyl chloride insulating layer 7 is further disposed on an outer ring of the butadiene rubber insulating layer 9.

In a preferred technical solution of this embodiment, the main conductor 8 and the auxiliary conductor 6 are made of copper wires.

In the present embodiment, all the components are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

Adopt a plurality of auxiliary conductors 6 and a bigger main conductor 8 to strand, form a cable core, main conductor 8 and auxiliary conductor 6 all are equipped with polyvinyl chloride insulating layer 7, can carry out effectual insulation, simultaneously main conductor 8 is because thick, still be equipped with butadiene rubber insulating layer 9 and further strengthen insulating nature, avoid electric leakage in the pit, adopt nickel-plated copper wire to weave shielding material 5 simultaneously, avoid causing conductor and insulating partial discharge because of the air gap that conductor surface is not smooth and sinle silk transposition produces, adopt the design of mica cover 3, certain supporting role has been played to the cable, make it more have the type, outside protective sheath 1 adopts wear-resisting rubber to adapt to multiple wear-resisting environment, still insert nylon non-woven fabrics layer 2 through protruding 11, make protective sheath 1 more firm.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, a first feature "above," "over," and "on" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature, and a first feature "below," "under," and "under" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is at a lower level than the first feature.

In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in the specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a colliery is insulated cable for pit, includes protective sheath (1) and cable core, its characterized in that, nylon non-woven fabrics layer (2) is established to protective sheath (1) inner circle ring, mica cover (3) is established to nylon non-woven fabrics layer (2) inner circle ring, silica gel insulating layer (4) are established to mica cover (3) inner circle ring, be equipped with ground connection sinle silk (10) in silica gel insulating layer (4), silica gel insulating layer (4) inner circle is equipped with the cable core, the cable core is formed by a plurality of auxiliary conductors (6) transposition of leading body (8) and outer lane, leading body (8) outer lane is equipped with cis-polybutadiene rubber insulating layer (9), auxiliary conductor (6) outer lane is equipped with polyvinyl chloride insulating layer (7), silica gel insulating layer (4) with shielding material (5) is woven to still filling nickel-plated copper wire between the.

2. The insulated cable for the underground coal mine according to claim 1, wherein the protective sheath (1) is further provided with a rubber bump (11), and the rubber bump (11) is inserted into the nylon non-woven fabric layer (2).

3. The underground coal mine insulated cable according to claim 1, wherein the protective sleeve (1) is made of wear-resistant rubber.

4. The insulated cable for the underground coal mine according to claim 1, wherein the mica sleeve (3) is an inner lining pipe made of mica powder.

5. The underground coal mine insulated cable according to claim 1, wherein a polyvinyl chloride insulating layer (7) is further arranged on the outer ring of the butadiene rubber insulating layer (9).

6. The insulated cable for the underground coal mine according to claim 1, wherein the main conductor (8) and the auxiliary conductor (6) are made of copper wires.