CN214956087U - Rubber jacketed flexible cable for coal mine frequency conversion device - Google Patents
Rubber jacketed flexible cable for coal mine frequency conversion device Download PDFInfo
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- CN214956087U CN214956087U CN202121637355.3U CN202121637355U CN214956087U CN 214956087 U CN214956087 U CN 214956087U CN 202121637355 U CN202121637355 U CN 202121637355U CN 214956087 U CN214956087 U CN 214956087U
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Abstract
The utility model belongs to the technical field of the cable, concretely relates to colliery is rubber cover flexible cable for frequency conversion device, including power core conductor, the crowded package in outside of power core conductor has the insulating layer, the crowded package in outside of insulating layer has semi-conductive insulation shielding, semi-conductive insulation shielding is crowded package outward has the inner liner, the inside of inner liner has still wrapped up the semi-conductive layer, the inside parcel of semi-conductive layer has ground core conductor. The conductor is formed by twisting a plurality of tinned soft copper wires, the twisting direction of the bundle wires is consistent with that of the stranded wires, and the conductor is soft, small in outer diameter, small in resistance, high in transmission efficiency, convenient to install, corrosion-resistant and oxidation-resistant; the power wire core and the ground wire core are twisted into a cable in an interval arrangement mode, an electromagnetic field is stable, the motor can work stably when the cable is used in a frequency conversion device, the abrasion of a motor bearing is reduced, and the service life and the maintenance period of the motor are prolonged.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to colliery is rubber cover flexible cable for frequency conversion equipment.
Background
The rubber jacketed flexible cable for the coal mine frequency conversion device is mainly suitable for the coal mine frequency conversion device and is used as a power supply cable or a rubber jacketed flexible cable for connecting electric appliances by a control system. In actual installation, a common power cable is generally adopted, and a series of problems of cable breakdown, large interference and the like can be gradually exposed in a large amount of use. Therefore, a rubber jacketed flexible cable for a frequency conversion device for a coal mine, which has the advantages of good insulation performance, high breakdown voltage and strong anti-interference capability, needs to be developed.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a colliery is rubber jacketed flexible cable for frequency conversion device.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a colliery is rubber cover flexible cable for frequency conversion device, includes power core conductor, the crowded package in outside of power core conductor has the insulating layer, the crowded package in outside of insulating layer has semi-conductive insulation shielding, semi-conductive insulation shielding crowded package has the inner liner outward, the inside of inner liner still wraps up the semi-conductive layer, the inside parcel of semi-conductive layer has earth core conductor, the shielding is woven to the outside of inner liner tinned copper wire, tinned copper wire woven shield's outside has the compound area of plastic-aluminum shielding around the package, tinned copper wire woven shield and the compound area of plastic-aluminum shielding formation double shielding layer, the crowded package in outside of double shielding layer has the oversheath.
As the utility model discloses a preferred technical scheme of colliery frequency conversion device is with rubber cover flexible cable, power core conductor is by the transposition of stranded tinned soft copper wire.
As the utility model discloses a preferred technical scheme of colliery is rubber jacketed flexible cable for frequency conversion device, semi-conductive insulation shielding is the semi-conductive rubber.
As the utility model discloses a preferred technical scheme of colliery frequency conversion device is with rubber cover flexible cable, power core conductor, insulating layer and semi-conductive insulation shielding form the power sinle silk, ground core conductor and semi-conductive layer form the ground sinle silk, the power sinle silk with ground sinle silk interval arrangement transposition stranding is the cable core.
As the utility model discloses a preferred technical scheme of colliery is rubber cover flexible cable for frequency conversion device, the inner liner is rubber insulation layer.
The utility model has the advantages that:
(1) the conductor is formed by twisting a plurality of tinned soft copper wires, the twisting direction of the bundle wires is consistent with that of the stranded wires, and the conductor is soft, small in outer diameter, small in resistance, high in transmission efficiency, convenient to install, corrosion-resistant and oxidation-resistant;
(2) the power wire core and the ground wire core are twisted into a cable in an interval arrangement mode, an electromagnetic field is stable, the motor can work stably when the cable is used in a frequency conversion device, the abrasion of a motor bearing is reduced, and the service life and the maintenance period of the motor are prolonged.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic cross-sectional structure of the present invention;
description of the main elements
In the figure: 1. a power core conductor; 2. an insulating layer; 3. a semiconducting insulation shield; 4. a ground core conductor; 5. a semiconducting layer; 6. an inner liner layer; 7. the tinned copper wire is braided and shielded; 8. shielding the aluminum-plastic composite belt; 9. an outer sheath.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a rubber jacketed flexible cable for a coal mine frequency conversion device comprises a power core conductor 1, an insulating layer 2 is extruded outside the power core conductor 1, a semi-conductive insulating shield 3 is extruded outside the insulating layer 2, an inner liner 6 is extruded outside the semi-conductive insulating shield 3, a semi-conductive layer 5 is further wrapped inside the inner liner 6, a ground core conductor 4 is wrapped inside the semi-conductive layer 5, a tinned copper wire braided shield 7 is braided outside the inner liner 6, an aluminum-plastic composite tape shield 8 is wrapped outside the tinned copper wire braided shield 7, the tinned copper wire braided shield 7 and the aluminum-plastic composite tape shield 8 form a double shield layer, an outer sheath 9 is extruded outside the double shield layer, the power core conductor 1 is twisted by a plurality of tinned soft copper wires, and the semi-conductive insulating shield 3 is a semi-conductive rubber, the lining layer 6 is a rubber insulating layer.
In the embodiment, the insulating layer 2 is made of a high-strength rubber insulating material, the semi-conductive insulating shield 3 and the semi-conductive layer 5 are made of semi-conductive rubber, the power core conductor 1 and the ground core conductor 4 are effectively insulated, the lining layer 6 is made of high-strength rubber insulation, the outer sheath 9 is made of a high-strength wear-resistant temperature-resistant tensile special type conforming rubber sheath material, and the wear resistance of the outer sheath 9 is enhanced.
Specifically, the power core conductor 1, the insulating layer 2 and the semi-conductive insulation shield 3 form a power core, the ground core conductor 4 and the semi-conductive layer 5 form a ground core, and the power core and the ground core are arranged at intervals and twisted to form a cable core.
In this embodiment, power sinle silk and earth core adopt the mode transposition stranding cable of interval arrangement, stabilize the electromagnetic field, in the use, can make motor work steady, and motor bearing wearing and tearing reduce prolongs motor life and maintenance cycle.
The utility model discloses a theory of operation and use flow:
insulating layer 2 comprises high strength rubber insulation material, semi-conductive insulation shield 3 and semi-conductive layer 5 constitute by the semi-conductive rubber, insulate power core conductor 1 and earth core conductor 4 effectively, inner liner 6 is high strength rubber insulation, oversheath 9 accords with the rubber sheath material by the wear-resisting temperature resistant tensile special type of high strength and constitutes, the wearability of oversheath 9 is strengthened, power core and earth core adopt interval arrangement's mode transposition stranding, the electromagnetic field is stabilized, in the use, can make motor work steady, motor bearing wearing and tearing reduce, extension motor life and maintenance cycle.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a colliery is rubber cover flexible cable for frequency conversion device, includes power core conductor (1), its characterized in that: the outside crowded package of power conductor core (1) has insulating layer (2), the outside crowded package of insulating layer (2) has semiconductive insulation shielding (3), semiconductive insulation shielding (3) outer crowded package has inner liner (6), the inside of inner liner (6) still wraps up semiconductive layer (5), the inside parcel of semiconductive layer (5) has earth conductor core (4), the outside of inner liner (6) is woven tinned copper wire and is woven shielding (7), the outside that the tinned copper wire was woven shielding (7) is around having plastic-aluminum composite tape shielding (8), the tinned copper wire is woven shielding (7) and plastic-aluminum composite tape shielding (8) and is formed double shielding layer, the outside crowded package of double shielding layer has oversheath (9).
2. The rubber jacketed flexible cable for the coal mine frequency conversion device according to claim 1, characterized in that: the power wire core conductor (1) is stranded by a plurality of strands of tinned soft copper wires.
3. The rubber jacketed flexible cable for the coal mine frequency conversion device according to claim 1, characterized in that: the semi-conductive insulation shield (3) is a semi-conductive rubber.
4. The rubber jacketed flexible cable for the coal mine frequency conversion device according to claim 1, characterized in that: the power cable core conductor (1), the insulating layer (2) and the semi-conductive insulating shield (3) form a power cable core, the ground cable core conductor (4) and the semi-conductive layer (5) form a ground cable core, and the power cable core and the ground cable core are arranged at intervals and stranded to form a cable core.
5. The rubber jacketed flexible cable for the coal mine frequency conversion device according to claim 1, characterized in that: the lining layer (6) is a rubber insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121637355.3U CN214956087U (en) | 2021-07-19 | 2021-07-19 | Rubber jacketed flexible cable for coal mine frequency conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121637355.3U CN214956087U (en) | 2021-07-19 | 2021-07-19 | Rubber jacketed flexible cable for coal mine frequency conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956087U true CN214956087U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121637355.3U Active CN214956087U (en) | 2021-07-19 | 2021-07-19 | Rubber jacketed flexible cable for coal mine frequency conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956087U (en) |
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2021
- 2021-07-19 CN CN202121637355.3U patent/CN214956087U/en active Active
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