CN201796631U - Metal sheathed rubber-sleeved soft cable for coal mine - Google Patents
Metal sheathed rubber-sleeved soft cable for coal mine Download PDFInfo
- Publication number
- CN201796631U CN201796631U CN2010205195836U CN201020519583U CN201796631U CN 201796631 U CN201796631 U CN 201796631U CN 2010205195836 U CN2010205195836 U CN 2010205195836U CN 201020519583 U CN201020519583 U CN 201020519583U CN 201796631 U CN201796631 U CN 201796631U
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- CN
- China
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- metal sheathed
- soft cable
- power wire
- coal mine
- screen layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a metal sheathed rubber-sleeved soft cable for a coal mine. The metal sheathed rubber-sleeved soft cable consists of three power wire cores and a sheath wrapping the power wire cores, wherein the power wire cores comprise a power wire core conductor, an insulating layer and a metal sheathed layer sequentially from inside to outside; and the metal sheathed layer also serves as an earth wire. Because the insulating layer and the metal sheathed layer wrap the power wire core conductor sequentially, the metal sheathed rubber-sleeved soft cable has obviously improved fire resistance and antistatic property compared with the like product and is applied to a distribution circuit under the coal mine.
Description
Technical field
The utility model belongs to the cables manufacturing technical field, is specifically related to a kind of colliery metallic shield rubber sleeve flexible cable.
Background technology
Coal is the first energy of China, and it is the first that output occupies the whole world.Along with coal industry is integrated continuing to increase of reorganization dynamics, the mechanization degree of coal enterprise is more and more high, coal industry also constantly increases the demand of various mining Plastic-sheathed Cables, in order to ensure coal mining safety, the security reliability of cable is had higher requirement.Because regular meeting suffers pounding pressure, pushing, impact, scratch, rub and other mechanical force of coal cinder during cable under mine; add the influence of underground wet environment; the sheath rubber on common cable surface is because tensile strength and tearing toughness are poor; very easily damage and lose the effect of protecting cable, bury potential safety hazard to the operation of coal industry.Therefore, press for to the colliery high duty metal shielding mining cable is provided.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of colliery metallic shield rubber sleeve flexible cable is provided.
The utility model is achieved through the following technical solutions:
Colliery metallic shield rubber sleeve flexible cable, by three strands of power cores and be wrapped in the outer sheath of power core and form, wherein: the power core is followed successively by power line core conductor, insulating barrier and metal screen layer from the inside to the outside, metal screen layer double as ground wire.
Described metal screen layer adopts zinc-plated soft copper silk to add dacron thread and weaves, and density is more than 80%, has improved the anti-flammability and the antistatic behaviour of cable greatly;
Described power line core conductor adopts compound bundle strand, and twisting pitch has improved the cable tensile property than less than 10 times.
Advantage of the present utility model is:
Metal screen layer double as ground wire of the present utility model uses, and has simplified the construction of cable when guaranteeing cable performance, has saved cost; Wrap insulate layer and metal screen layer successively outside the power line core conductor, its anti-flammability and having excellent antistatic properties is suitable for the underground mine use distribution line.
Description of drawings
Fig. 1: cross-sectional structure schematic diagram of the present utility model
1, power line core conductor; 2, insulating barrier; 3, metal screen layer; 4, sheath
Embodiment
Below be preferred embodiment of the present utility model, the utility model can the described content of by specification elect any mode to implement.
Specify below in conjunction with accompanying drawing:
With reference to the accompanying drawings 1, colliery metallic shield rubber sleeve flexible cable, by three strands of power cores and be wrapped in the outer sheath (4) of power core and form, wherein: the power core is followed successively by power line core conductor (1), insulating barrier (2) and metal screen layer (3) from the inside to the outside.
Power line core conductor (1) is made of oxygen-free copper bar, the resistivity of copper is carried out zinc-plated processing less than 0.017241 Ω .mm2/m (20 ℃) with the annealed copper wire after the wire drawing, prevents the oxidative phenomena in the course of processing and use, adopt compound bundle strand during making, the twisting pitch ratio is less than 10 times.
It is main composite material that insulating barrier (2) adopts ethylene-propylene rubber, and its performance meets the GB7594.8 standard; Metal screen layer (3) adopts zinc-plated soft copper silk to add dacron thread and weaves, and density is more than 80%, the double as ground wire; It is main composite material that sheath (4) adopts the neoprene rubber, and its performance meets the GB7594.9 standard.
The utility model product main performance sees the following form:
The withstand voltage test of dispatching from the factory shows: rated voltage 1.9/3.3kV master core should stand power-frequency voltage 6.8kV/5min and not puncture; Rated voltage 3.6/6kV master core should stand power-frequency voltage 11kV/5min and not puncture.
Above embodiment is the preferred embodiment of this creation only, is not to be used for limiting this creation, all in this creation spirit and principle within made any modification, be equal to replacement, improvement etc., all should be included within the protection range of this creation.
Claims (3)
1. colliery metallic shield rubber sleeve flexible cable, it is characterized in that, by three strands of power cores and be wrapped in the outer sheath of power core and form, described power core is followed successively by power line core conductor, insulating barrier and metal screen layer from the inside to the outside, described metal screen layer double as ground wire.
2. colliery according to claim 1 metallic shield rubber sleeve flexible cable is characterized in that, described metal screen layer adopts zinc-plated soft copper silk to add dacron thread and weaves, and density is more than 80%.
3. colliery according to claim 1 metallic shield rubber sleeve flexible cable is characterized in that, described power line core conductor adopts compound bundle strand, and the twisting pitch ratio is less than 10 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205195836U CN201796631U (en) | 2010-09-07 | 2010-09-07 | Metal sheathed rubber-sleeved soft cable for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205195836U CN201796631U (en) | 2010-09-07 | 2010-09-07 | Metal sheathed rubber-sleeved soft cable for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796631U true CN201796631U (en) | 2011-04-13 |
Family
ID=43851533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205195836U Expired - Fee Related CN201796631U (en) | 2010-09-07 | 2010-09-07 | Metal sheathed rubber-sleeved soft cable for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201796631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236308A (en) * | 2013-04-22 | 2013-08-07 | 江苏馨晟特种电缆有限公司 | Metallic shield rubber jacketed flexible cable for coal mining machine |
-
2010
- 2010-09-07 CN CN2010205195836U patent/CN201796631U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236308A (en) * | 2013-04-22 | 2013-08-07 | 江苏馨晟特种电缆有限公司 | Metallic shield rubber jacketed flexible cable for coal mining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120907 |