CN210006495U

CN210006495U - rubber jacketed flexible cable for coal mine frequency conversion device

Info

Publication number: CN210006495U
Application number: CN201920796610.5U
Authority: CN
Inventors: 刘晓春
Original assignee: Jiangsu Baojian Special Cable Co Ltd
Current assignee: Jiangsu Baojian Special Cable Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-01-31
Anticipated expiration: 2029-05-30

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to colliery frequency conversion device is with rubber cover flexible cable, including power core conductor and control core conductor and ground heart yearn conductor, power core conductor's outside cover is equipped with power core insulation, power core insulation's outside cover is equipped with power core shielding, power core shielding's side is equipped with control core conductor, control core conductor's outside cover is equipped with control core insulation, control core insulation's outside cover is equipped with control core shielding, control core shielding's side is equipped with ground heart yearn conductor, ground heart yearn conductor's outside cover is equipped with ground heart yearn insulation, ground heart yearn insulation's outside cover is equipped with ground heart yearn shielding, and overall structure's stability increases, and mechanical protection increase life reduces elongation and permanent deformation, increases anti tear and wearability, has improved the comprehensive properties of product, and stability and practicality are higher, have definite push away and worth.

Description

rubber jacketed flexible cable for coal mine frequency conversion device

Technical Field

The utility model relates to the technical field of cables, specifically be kinds of colliery frequency conversion device are with rubber cover flexible cable.

Background

Because the variable frequency speed regulator has the advantages of low noise, low energy consumption and stable operation of speed regulation, the variable frequency speed regulator is more and more favored by the coal mine industry, and the variable frequency cable for providing power for the variable frequency speed regulator has the advantages of strong anti-interference performance, good phase sequence symmetry and reliable operation, and also obtains universal application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of colliery frequency conversion device are with rubber cover flexible cable to solve the problem that proposes in the above-mentioned background art.

kind colliery frequency conversion device is with rubber cover flexible cable, including power core conductor and control core conductor and ground heart yearn conductor, the outside cover of power core conductor is equipped with power core insulation, power core insulation's outside cover is equipped with power core shielding, power core insulation's side is equipped with control core conductor, control core conductor's outside cover is equipped with control core insulation, control core insulation's outside cover is equipped with control core shielding, control core shielding's side is equipped with ground heart yearn conductor, ground heart yearn conductor's outside cover is equipped with ground heart yearn insulation, ground heart yearn insulation's outside cover is equipped with ground heart yearn shielding, power core shielding is equipped with the isolation layer with control core shielding and ground heart yearn shielding's outside cover, the outside cover of isolation layer is equipped with copper wire braided shielding, copper wire braided shielding is equipped with the compound area of aluminium-plastic tape, the outside of aluminium-plastic tape layer is equipped with the enhancement core around the.

Preferably, the power and control core conductors and the ground core conductor are twisted in the direction .

Preferably, the power wire core insulation and the ground wire core insulation are made of polyester film materials.

Preferably, the control wire core is insulated by adopting a polyfluorinated ethylene propylene material.

Preferably, the reinforcing cores are annularly distributed and provided with a plurality of groups.

Preferably, the sheath is a vinyl chloride sheath.

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

1. the utility model discloses in, power sinle silk conductor and control sinle silk conductor and ground heart yearn conductor's stranded conductor direction through setting up send, and power sinle silk is insulating all adopts the polyester film material with the control sinle silk is insulating, power sinle silk conductor and ground heart yearn conductor are around package polyester film outward, improve insulating properties, prevent the copper line oxidation, the insulating adoption of control sinle silk gathers perfluor ethylene propylene material, the outer perfluor ethylene propylene increase strength that winds of control sinle silk conductor, reduce elongation and permanent deformation, increase anti tear and wearability, service life has been prolonged.

2. The utility model discloses in, the power core shielding and the control sinle silk shielding and ground sinle silk shielding and the shielding is woven to the copper wire through setting up, because the electric current that power cable passes through is bigger, can produce magnetic field around the electric current, dual shielding can satisfy the requirement of single-phase fault short-circuit current, also can bear the pulling force that vertical direction decided, has improved the comprehensive properties of product.

3. The utility model discloses in, the enhancement core ring through setting up distributes in the inboard of overall structure's outside sheath, plays the additional strengthening, improves the radial stretching resistance of cable to and improve the anti bending property of cable, increase overall structure's stability, mechanical protection increase of service life.

Drawings

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

FIG. 2 is a general plan view of the present invention;

fig. 3 is a schematic structural view of the utility model a-1.

In the figure: 1-power wire core conductor, 2-power wire core insulation, 3-power wire core shielding, 4-control wire core conductor, 5-control wire core insulation, 6-control wire core shielding, 7-ground wire core conductor, 8-ground wire core insulation, 9-ground wire core shielding, 10-isolation layer, 11-copper wire braided shielding, 12-aluminum-plastic composite tape wrapping layer, 13-reinforcing core and 14-sheath.

Detailed Description

The technical solution 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 , but not all embodiments.

Please refer to fig. 1-3, the utility model provides a technical schemes colliery frequency conversion device rubber cover flexible cable, including power core conductor 1 and control core conductor 4 and earth core conductor 7, power core conductor 1 and control core conductor 4 and earth core conductor 7's stranded conductor direction is sent, power core conductor 1 and control core conductor 4 and earth core conductor 7's stranded conductor direction send through setting up, and power core conductor insulation 2 and control core conductor insulation 5 all adopt the polyester film material, power core conductor 1 and earth core conductor 7 are wrapped around the polyester film, improve insulation performance, prevent copper wire oxidation, control core insulation 5 adopts and gathers the perfluoroethylene propylene material, control core conductor 4 is wrapped around gather perfluoroethylene propylene increase strength, reduce elongation and permanent deformation, increase tear and wear resistance, service life has been prolonged, power core conductor 1's outer cover is equipped with power core insulation 2, power core conductor 2's outer cover is equipped with power core conductor 393, power core conductor 3's shielding side is equipped with control core conductor 64 side, the side is equipped with control core conductor, the control core conductor 4 side is equipped with control core conductor, the control core conductor 8 sets up the outer side of the power core conductor, the outer side of the shielding cable, the outer side of the insulating layer, and the insulating layer of the insulating layer, the insulating layer of the insulating layer, and the insulating layer of the insulating layer, the insulating layer of the insulating layer, the insulating layer of the insulating layer, the insulating layer of the insulating layer, the insulating layer of.

The utility model discloses during the work flow, stranded conductor direction through power sinle silk conductor 1 and control sinle silk conductor 4 and ground heart yearn conductor 7 sends, and power sinle silk insulation 2 all adopts polyester film material with ground heart yearn insulation 8, power sinle silk conductor 1 and ground heart yearn conductor 7 are outer around wrapping polyester film, improve insulating properties, prevent copper line oxidation, control sinle silk insulation 5 adopts and gathers perfluor ethylene propylene material, the outer poly perfluor ethylene propylene increase intensity of winding of control sinle silk conductor 4, reduce elongation and permanent deformation, increase resistance to tearing and wearability, power sinle silk shielding 3 and control sinle silk shielding 6 and ground sinle silk shielding 9 weave shielding 11 with the copper wire, because the electric current that power cable passes through is bigger, can produce magnetic field around the electric current, dual shielding can satisfy the requirement of single-phase fault short-circuit current, can also bear the pulling force of vertical direction definite, the comprehensive properties of product has been improved, strengthen the inboard of core 13 annular distribution in overall structure's outside sheath, play the reinforcing action, and improve the radial stretching resistance of cable, and improve the bending resistance of 36 , the practical value of the product of extension and the elongation of the extension, and the high elongation of the high tensile properties of the high resistance of the product, and.

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

The rubber jacketed flexible cable for the coal mine frequency conversion devices comprises a power core conductor (1), a control core conductor (4) and a ground core conductor (7), and is characterized in that the power core conductor (1) is sleeved with a power core insulator (2), the power core insulator (2) is sleeved with a power core shield (3), the control core conductor (4) is arranged on the side of the power core shield (3), the control core conductor (5) is sleeved on the outer side of the control core conductor (4), the control core conductor (5) is sleeved with a control shielding core (6), the control shielding core conductor (6) is arranged on the side of the control core shield (6), the ground core conductor (7) is sleeved with a ground core insulator (8), the ground core conductor (8) is sleeved with a ground core shield (9), the power core shield (3), the control shielding core conductor (6) and the ground core conductor (9) are sleeved with an isolation layer (10), the copper wire shield (11) is sleeved on the outer side of the ground core shield (8), a composite shielding layer (12) is sleeved with a braided aluminum shielding layer (13), and the aluminum shielding layer (13) is arranged on the outer side of the braided plastic shielding layer.
2. The rubber-sheathed flexible cable for coal mine frequency conversion device of claim 1, wherein the power core conductor (1), the control core conductor (4) and the ground core conductor (7) are twisted in a direction .
3. The rubber-jacketed flexible cable for coal mine frequency conversion devices of claim 1, wherein the power wire core insulation (2) and the ground wire core insulation (8) are both made of polyester film materials.
4. The rubber-sheathed flexible cable for coal mine frequency conversion devices as claimed in claim 1, wherein the control wire core insulation (5) is made of fluorinated ethylene propylene.
5. The rubber-sheathed flexible cable for coal mine frequency conversion devices as claimed in claim 1, wherein the reinforcement core (13) is annularly distributed with multiple groups.
6. The rubber-sheathed flexible cable for coal mine frequency conversion device according to claim 1, wherein the sheath (14) is a vinyl chloride sheath.