CN203721349U - XLPE-insulated power cable with steel band armor and PVC sheaths for coal mine - Google Patents
XLPE-insulated power cable with steel band armor and PVC sheaths for coal mine Download PDFInfo
- Publication number
- CN203721349U CN203721349U CN201320838430.1U CN201320838430U CN203721349U CN 203721349 U CN203721349 U CN 203721349U CN 201320838430 U CN201320838430 U CN 201320838430U CN 203721349 U CN203721349 U CN 203721349U
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- China
- Prior art keywords
- conductor
- power cable
- steel band
- polyvinyl chloride
- cable
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Abstract
The utility model provides a XLPE-insulated power cable with a steel band armor and PVC sheaths for a coal mine. The cable comprises conductors and insulators. The conductors and the insulators form multiple cable cores, and mineral fillings are arranged among the cable cores. Each conductor is wrapped by an insulating layer, and a conductor shielding layer is arranged between the conductor and the insulating layer, which is coated by an insulating shielding layer wrapped by a copper tape shielding layer. A glass fiber wrapping layer, an inner sheath, a steel band armor and an outer sheath are arranged outside the mineral fillings successively from inside to outside. The cable provides the steel band armor and enhances the strength of the sheaths to extend the service life. The cable is simple in structure and high in wear resistance and tensile strength.
Description
Technical field
The utility model relates to colliery industry, is specifically related to the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in a kind of colliery.
Background technology
Coal Electricity cable is because the circumstance complication using, condition of work are severe and mobile frequent, useful life is not long, the region of methane accumulation is very dangerous again, therefore not only very high to the security requirement of cable own, and the resistance to wear to frequent moving field all-in-one cable, anti-external tensile force performance requirement are very high.
In view of above situation, need to improve conventional mining cable structure, not only to keep good fire resistance, and to there is wear-resisting, the resistance to performance of drawing that adapts to frequent mobile occasion, ensure the cable safety and reliability that severe occasion is used in colliery, effectively extend the useful life of mining cable, reduce mining development cost.
Utility model content
The utility model, in order to solve the poor problem of wear-resisting, resistance to drawing property of the above-mentioned existing normal cable of mentioning, provides a kind of colliery crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable.Reach by increasing the intensity of restrictive coating the object that extends cable life.
Concrete, the utility model provides a kind of colliery crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable, and it comprises conductor and insulator, described conductor and described insulator composition cable core, between described multiple cable core, be provided with mineral-filled body, wherein
Described each conductor outside is enclosed with respectively insulating barrier, between described conductor and described insulating barrier, is provided with conductor shield, and described insulating barrier outer wrap has insulation screen; Described insulation screen outer wrap is provided with copper strip shielding layer;
The outside of described mineral-filled body is disposed with glass fibre belting layer, inner sheath, steel-tape armouring layer and oversheath from the inside to the outside.
Preferably, the too high brilliant nanometer mould of described conductor dbus carries out stranded.
Preferably, described insulating barrier, inner sheath and oversheath are polyvinyl chloride layer.
Preferably, the oxygen index of described polyvinyl chloride layer is greater than 35%.
Preferably, described inner sheath contains fire retardant and age resistor.
Preferably, described oversheath contains fire retardant and age resistor.
Preferably, described fire retardant is aluminium hydroxide and chlorinated paraffin wax.
Preferably, described mineral-filled body and described glass fibre belting layer are incombustible.
The utility model provides the setting of steel-tape armouring layer, and increases the intensity of restrictive coating and reach the object that extends cable life, and drawing property simple in structure, wear-resisting, resistance to is very strong.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is the structural representation of another embodiment of the present utility model.
Embodiment
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
As shown in Figure 1, the utility model provides a kind of colliery crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable, it comprises conductor 1 and insulating barrier 3, conductor 1 forms cable core with insulating barrier 3, the outside of each conductor 1 is enclosed with respectively insulating barrier 3, between conductor 1 and insulating barrier 3, be provided with conductor shield 2, insulating barrier 3 outer wrap have insulation screen 4; Insulation screen 4 outer wrap are provided with copper strip shielding layer 5; Between cable core, be provided with mineral-filled body 6.
The outside of mineral-filled body 6 is disposed with glass fibre belting layer 7, inner sheath 8, steel-tape armouring layer 9 and oversheath 10 from the inside to the outside.
Conductor 1 is undertaken stranded by the brilliant nanometer mould of height, without burr, guarantee that cable does not produce the undesirable elements such as corona in running.
Insulating barrier 3, inner sheath 8 and oversheath 10 are polyvinyl chloride layer.Improve the intensity of power cable.
The oxygen index of polyvinyl chloride layer is greater than 35%, and bag has been demonstrate,proved the fail safe of power cable.
Inner sheath 8 contains fire retardant and age resistor.
Oversheath 10 contains fire retardant and age resistor.
Mineral-filled body 6 and glass fibre belting layer 7 are incombustible.
Embodiment 1
The crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in a kind of colliery, it comprises conductor 1 and insulating barrier 3, conductor 1 forms cable core with insulating barrier 3, the outside of each conductor 1 is enclosed with respectively insulating barrier 3, between conductor 1 and insulating barrier 3, be provided with conductor shield 2, insulating barrier 3 outer wrap have insulation screen 4; Insulation screen 4 outer wrap are provided with copper strip shielding layer 5; Between cable core, be provided with mineral-filled body 6; The outside of mineral-filled body 6 is disposed with glass fibre belting layer 7, inner sheath 8, steel-tape armouring layer 9 and oversheath 10 from the inside to the outside.
In the present embodiment, as shown in Figure 1, the number of conductors of the power cable providing is 3, and the rated voltage of this power cable is 1.8KV to 10KV.
Embodiment 2
The crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in a kind of colliery, it comprises conductor 1, insulator 2, glass fibre obturator 3, glass fibre belting layer 4, steel-tape armouring layer 5 and fire-retardant oversheath 6.Insulator 2 is coated on the outside of conductor 1, and conductor 1 and insulator 2 form cable core, and glass fibre obturator 3, glass fibre belting layer 4, steel-tape armouring layer 5 and fire-retardant oversheath 6 are successively set on the outside of cable core.
In the present embodiment, the quantity of conductor can be 3 or 4, and the rated voltage of this power cable is 0.6KV to 1KV.
In a further embodiment, according to the different requirements of the rated voltage of power cable, the quantity of conductor and cross section can do accommodation, and the quantity of conductor can be 5,6 or more, and the cross-sectional area of conductor can be circular or fan-shaped.
The power cable that the utility model provides is through experimental results show that repeatedly: single testing vertical flammability: the distance of prior art upper bracket lower edge and carbonization part starting point is 7.5 times of existing cable, to downward-extension apart from upper bracket lower edge 1.2 times of burning.Burning test under loading condition: be 240 times of after flame time, 19 times of carbonization length.Bunched burning test: be 3 times of carbonization length.
The utility model provides the setting of steel-tape armouring layer, and increases the intensity of restrictive coating and reach the object that extends cable life, and drawing property simple in structure, wear-resisting, resistance to is very strong.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery, it is characterized in that: it comprises conductor and insulator, described conductor and described insulator composition cable core, be provided with mineral-filled body between described multiple cable cores, wherein
The quantity of described conductor is 3, and described each conductor outside is enclosed with respectively insulating barrier, between described conductor and described insulating barrier, is provided with conductor shield, and described insulating barrier outer wrap has insulation screen; Described insulation screen outer wrap is provided with copper strip shielding layer;
The outside of described mineral-filled body is disposed with glass fibre belting layer, inner sheath, steel-tape armouring layer and oversheath from the inside to the outside.
2. the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery according to claim 1, is characterized in that: described insulating barrier, inner sheath and oversheath are polyvinyl chloride layer.
3. the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery according to claim 2, is characterized in that: the oxygen index of described polyvinyl chloride layer is greater than 35%.
4. the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery according to claim 1, is characterized in that: described mineral-filled body and described glass fibre belting layer are incombustible.
5. according to the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery described in aforementioned arbitrary claim, it is characterized in that: the rated voltage of described power cable is 1.8KV to 10KV.
6. the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery, is characterized in that: it comprises conductor, insulator, glass fibre obturator, glass fibre belting layer, steel-tape armouring layer and fire-retardant oversheath; Insulator is coated on the outside of conductor, conductor and insulator composition cable core, and glass fibre obturator, glass fibre belting layer, steel-tape armouring layer and fire-retardant oversheath are successively set on the outside of cable core.
7. the crosslinking polyethylene insulated steel band armored polyvinyl chloride boot power cable in colliery according to claim 6, is characterized in that: the rated voltage of described power cable is 0.6KV to 1KV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838430.1U CN203721349U (en) | 2013-12-19 | 2013-12-19 | XLPE-insulated power cable with steel band armor and PVC sheaths for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838430.1U CN203721349U (en) | 2013-12-19 | 2013-12-19 | XLPE-insulated power cable with steel band armor and PVC sheaths for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721349U true CN203721349U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838430.1U Expired - Fee Related CN203721349U (en) | 2013-12-19 | 2013-12-19 | XLPE-insulated power cable with steel band armor and PVC sheaths for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945967A (en) * | 2017-12-21 | 2018-04-20 | 湖南铃本环保科技有限公司 | Flame retardant cable line |
| CN109036677A (en) * | 2018-07-31 | 2018-12-18 | 江苏浦漕科技股份有限公司 | A kind of low temperature-resistinpower power cable and preparation method thereof |
-
2013
- 2013-12-19 CN CN201320838430.1U patent/CN203721349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945967A (en) * | 2017-12-21 | 2018-04-20 | 湖南铃本环保科技有限公司 | Flame retardant cable line |
| CN109036677A (en) * | 2018-07-31 | 2018-12-18 | 江苏浦漕科技股份有限公司 | A kind of low temperature-resistinpower power cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20141219 |
|
| EXPY | Termination of patent right or utility model |