CN203826102U - Elastic anti-extrusion power cable - Google Patents
Elastic anti-extrusion power cable Download PDFInfo
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- CN203826102U CN203826102U CN201420103675.4U CN201420103675U CN203826102U CN 203826102 U CN203826102 U CN 203826102U CN 201420103675 U CN201420103675 U CN 201420103675U CN 203826102 U CN203826102 U CN 203826102U
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- conductor
- elastic
- elastic tube
- power cable
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Abstract
The utility model discloses an elastic anti-extrusion power cable. A first elastic tube is arranged at the center of the power cable. Multiple first conductors are evenly arranged along the external part of the first elastic tube, and long axes of the multiple first conductors are arranged along a radial direction of the power cable. An internal flame-retardant wrapping tape wrapping layer wraps outside the multiple first conductors. Multiple second conductors are evenly arranged along the external part of the internal flame-retardant wrapping tape wrapping layer, and short axes of the multiple second conductors are arranged along the radial direction of the power cable. Multiple second elastic tubes are arranged between any two adjacent second conductors in turn. An external flame-retardant wrapping tape wrapping layer and an external sheath layer wrap outside the second conductors in turn. In the elastic anti-extrusion power cable, the first elastic tube and the second elastic tubes are adopted by the power cable to protect the first conductors and the second conductors. The power cable is excellent in elastic anti-extrusion performance. When extrusion is applied, extrusion is buffered by the power cable via elastic deformation so that the service life of the cable in complex working environments is enhanced.
Description
Technical field
The utility model relates to technical field of electric wires and cables, relates in particular to a kind of elastic reactance extruding power cable.
Background technology
Power cable is the cable for transmitting and distribute electric energy, be usually used in Urban Underground electrical network, power station lead line, industrial and mining enterprises in-line power and cross river, the submarine transmission line in sea excessively.In some cases, power cable requires it to have crush resistance, and for example, in automatic production and processing field, power cable is because the action with processing component is extruded, the phenomenon that often there will be power cable to be racked; And in the time that power cable is extruded, will inevitably cause extruding to conductor core wire, thereby electric power transfer quality is impacted.In addition, the current capacity of power cable is conventionally relevant with the sectional area of conductor thread core, in the time that increasing, electric current can make conductor temperature raise, the temperature of the insulating barrier of conductor outer cladding exceedes the change that can cause in insulating barrier generation performance in limited time, thereby the insulating reliability of insulating barrier is reduced greatly, affect the useful life of power cable.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of elastic reactance extruding power cable, this power cable has excellent elastic reactance extrusion performance, in the time being squeezed power cable by strain to squeezing into row buffering, thereby improved the useful life of cable in complex work environment.
A kind of elastic reactance extruding power cable the utility model proposes, comprises the first elastic tube, the second elastic tube, the first conductor and the second conductor, the cross section of the first conductor and the second conductor is ellipse, and the first conductor and the second conductor are by heart yearn and be coated on successively fire-resistant isinglass belt lapping layer outside heart yearn and polyvinyl chloride insulation layer forms, the first elastic tube is located at the center of power cable, many the first conductors evenly distributed and its long axis power cable outside the first elastic tube is radially placed, fire-retardant band lapping layer in many first conductor outer claddings, the space filling fire resisting material between the first elastic tube and Duo Gen the first conductor in interior fire-retardant band lapping layer, many the second conductors evenly distributed and its minor axis outside interior fire-retardant band lapping layer is radially placed along power cable, within the second conductor is located at the major axis place included angle of straight line of two the first conductors of arbitrary neighborhood, many the second elastic tubes are successively set between two the second conductors of arbitrary neighborhood, many the second elastic tubes and Duo Gen the second conductor are positioned on same circumference, the second conductor minor axis length is not more than the diameter of the second elastic tube, fire-retardant band lapping layer and external sheath layer outside the second conductor is coated outward successively, elastomeric cushion material is filled in space between many second conductors and Duo Gen the second elastic tube in interior fire-retardant band lapping layer and outer fire-retardant band lapping layer.
Preferably, the cross-sectional area of the second conductor is 2～8 times of the first conductor cross sectional area.
Preferably, the first elastic tube and the second elastic tube all adopt polyurethane material to make.
Preferably, the equal diameters of the diameter of the first elastic tube and the second elastic tube.
Preferably, in the first elastic tube and the second elastic tube, be filled with gas.
Preferably, the inlet end of the first elastic tube and the second elastic tube, the outlet side all external sheath layer from cable pass, and external sheath layer is provided with the air vent connector being connected with inlet end, outlet side.
In a preferred embodiment; by elastic tube is set in power cable; receive that at power cable when extruding elastic tube can produce cushion effect, avoid extruding force to act directly on the first conductor and the second conductor and cause heart yearn distortion, play the effect of protection the first conductor and the second conductor.
Preferably, the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on the first conductor and the second conductor adopts, comprises following weight parts composition: Corvic: 80～120 parts; Polyethylene: 10～30 parts; Polypropylene: 10～25 parts; Plasticizer: 30～50 parts; Stabilizer: 10～15 parts; Fire retardant: 20～35 parts; Filler: 10～20 parts; Processing aid: 4～8 parts.Above-mentioned processing aid is vulcanizing agent, above-mentioned filler is carbon black, by adopting Corvic as base rubber, polyethylene, polypropylene are under the effect of plasticizer, occur to answer with Corvic, improve the intensity of base rubber, by adding fire retardant, stabilizer, processing aid, made base rubber there is better crush resistance, resistance to wear and anti-flammability.
Preferably, the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on the first conductor and the second conductor adopts, comprises following weight parts composition: Corvic: 100～110 parts; Polyethylene: 18～23 parts; Polypropylene: 12～20 parts; Plasticizer: 40～45 parts; Stabilizer: 12～13 parts; Fire retardant: 25～30 parts; Filler: 15～18 parts; Processing aid: 7～8 parts.
In the utility model; adopt the first elastic tube and the second elastic tube to protect the first conductor, the second conductor; cable can produce cushion effect by the strain of the first elastic tube and the second elastic tube in the time of extruding; avoid heart yearn to be squeezed and destroyed, having improved the useful life of cable in complex work environment.
In the utility model, adopt the first less conductor of sectional area evenly to arrange successively along the first elastic tube periphery, in the time that the first conductor current becomes large, the heat of the generation of the first conductor can be by discharging in the first elastic tube; Adopt the second larger conductor of sectional area, between the second conductor of arbitrary neighborhood, be provided with the second elastic tube, in the time that the second conductor current becomes large, the heat that the second conductor produces is by discharging in the second elastic tube.In the first elastic tube and the second elastic tube, be filled with gas and can further strengthen above-mentioned technique effect.
In the utility model, in the time that power cable is squeezed, be mainly the second conductor pressurized, the first elastic tube is set in the first conductor, while avoiding power cable extruding, cause the first conductor to misplace, thereby ensure the straight property of cable; Between arbitrary neighborhood the second conductor, the second elastic tube is set, the diameter of the second elastic tube is more than or equal to the length of the second conductor minor axis, in the time of extruding, extruding force acts on the second elastic tube, or extruding force acts on the outside of the second elastic tube and the second conductor, avoid extruding force to produce distortion to heart yearn effect, the second elastic tube is arranged in elastomeric cushion material simultaneously, after extruding exhaust, cable still keeps good straight property.
In the utility model, the first conductor and the second conductor are staggeredly arranged, the second elastic tube is arranged between the first conductor outside and adjacent two the second conductors, in the time of extruding, the downward extruding force of the second conductor acts on packing material and the first elastic tube between the first conductor, the downward extruding force of the second elastic tube acts on the first conductor, avoids offseting and producing heart yearn distortion between the second conductor and the first conductor.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of a kind of elastic reactance extruding power cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the cross section structure schematic diagram of a kind of elastic reactance extruding power cable that the utility model proposes.
With reference to Fig. 1, a kind of elastic reactance extruding of the utility model power cable, comprises first elastic tube 1, five pieces the second elastic tube 2, five the first conductors 3 and five the second conductors 4; The diameter of the first elastic tube 1 and the second elastic tube 2 all adopt polyurethane material to make, the equal diameters of the diameter of the first elastic tube 1 and the second elastic tube 2; The cross section of the first conductor 3 and the second conductor 4 is ellipse, the cross-sectional area of the second conductor 4 is 5 times of the first conductor 3 cross-sectional areas, and the first conductor 3 and the second conductor 4 are by heart yearn and be coated on successively fire-resistant isinglass belt lapping layer outside heart yearn and polyvinyl chloride insulation layer forms;
The first elastic tube 1 is located at the center of power cable, five the first conductors 3 are close to outer evenly distributed and its long axis power cable of the first elastic tube 1 and are radially placed, fire-retardant band lapping layer 5 in five the first conductor 3 outer claddings, the space filling fire resisting material 6 between the first elastic tube 1 in interior fire-retardant band lapping layer 5 and five the first conductors 3;
Five the second conductors 4 are radially placed along power cable along outer evenly distributed and its minor axis of interior fire-retardant band lapping layer 5, within the second conductor 4 is located at the major axis place included angle of straight line of two the first conductors 3 of arbitrary neighborhood, five the second elastic tubes 2 are successively set between two the second conductors 4 of arbitrary neighborhood, five the second elastic tubes 2 and five the second conductors 4 are positioned on same circumference, the second conductor 4 minor axis length are not more than the diameter of the second elastic tube 2, can protect better the second conductor 4, fire-retardant band lapping layer 7 and external sheath layer 8 outside being coated successively outside the second conductor 4, elastomeric cushion material 9 is filled in space between five the second conductors 4 and five the second elastic tubes 2 in interior fire-retardant band lapping layer 5 and outer fire-retardant band lapping layer 7.Can in first elastic tube 1 and five the second elastic tubes 2, be filled with gas.
In the utility model, in the inlet end of the first elastic tube 1 and the second elastic tube 2, outlet side, all the external sheath layer 8 from cable passes, and external sheath layer 8 is provided with the air vent connector being connected with inlet end, outlet side.In the course of the work, pass through air-pump inflating at the first elastic tube 1, the second elastic tube 2, when External Force Acting is on power cable, owing to being provided with gas in the first elastic tube 1 and the second elastic tube 2, receiving that extruding time can produce a cushion effect, while avoiding pushing, pressure acts directly on the heart yearn of the first conductor 3 and the second conductor 4 and causes the distortion of heart yearn.
In the utility model, the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on the first conductor 3 and the second conductor 4 adopts, comprises following weight parts composition: Corvic: 80～120 parts; Polyethylene: 10～30 parts; Polypropylene: 10～25 parts; Plasticizer: 30～50 parts; Stabilizer: 10～15 parts; Fire retardant: 20～35 parts; Filler: 10～20 parts; Processing aid: 4～8 parts.Above-mentioned processing aid is vulcanizing agent, above-mentioned filler is carbon black, by adopting Corvic as base rubber, polyethylene, polypropylene are under the effect of plasticizer, occur to answer with Corvic, improve the intensity of base rubber, by adding fire retardant, stabilizer, processing aid, made base rubber there is better crush resistance, resistance to wear and anti-flammability.
In specific embodiment, the polyvinyl chloride insulation material that the polyvinyl chloride insulation layer on the first conductor 3 and the second conductor 4 adopts, comprises following weight parts composition: Corvic: 110 parts; Polyethylene: 23 parts; Polypropylene: 15 parts; Plasticizer: 40 parts; Stabilizer: 13 parts; Fire retardant: 25 parts; Filler: 15 parts; Processing aid: 7 parts.
In specific embodiment; adopt the first elastic tube 1 and the second elastic tube 2 to protect the first conductor 3 and the second conductor 4; cable can produce cushion effect by the strain of the first elastic tube and the second elastic tube in the time of extruding; avoid heart yearn to be squeezed and destroyed, having improved the useful life of cable in complex work environment.
In specific embodiment, adopt the first less conductor 3 of sectional area evenly to arrange successively along the first elastic tube 1 periphery, in the time that the first conductor current becomes large, the heat of the generation of the first conductor 3 can be by discharging in the first elastic tube; Adopt the second larger conductor 4 of sectional area, between the second conductor 4 of arbitrary neighborhood, be provided with the second elastic tube 2, in the time that the second conductor 4 electric currents become large, the heat that the second conductor 4 produces is by discharging in the second elastic tube 2.In the first elastic tube and the second elastic tube, be filled with gas and can further strengthen above-mentioned technique effect.
In the time that power cable is squeezed, mainly the second conductor 4 pressurizeds, the first elastic tube 1 is set in the first conductor 3, while avoiding cable extruding, cause the first conductor 3 to misplace, thereby ensure the straight property of cable, between arbitrary neighborhood the second conductor 4, the second elastic tube 2 is set, the diameter of the second elastic tube 2 is more than or equal to the length of the second conductor 4 minor axises, like this in the time of extruding, extruding force acts on the second elastic tube 2, or extruding force acts on the outside of the second elastic tube 2 and the second conductor 4, avoid extruding force to produce distortion to heart yearn effect, be arranged in elastomeric cushion material 9 at the second elastic tube 2 simultaneously, after extruding exhaust, cable still keeps good straight property.
The first conductor 3 of the present utility model and the second conductor 4 are staggeredly arranged, the second elastic tube 2 is arranged between the first conductor 3 outsides, adjacent two the second conductors 4, when extruding, the downward extruding force of the second conductor 4 acts on packing material and the first elastic tube 1 between the first conductor 3, the downward extruding force of the second elastic tube 2 acts on the first conductor 3, avoids offseting and producing heart yearn distortion between the second conductor 4 and the first conductor 3.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection range of the present utility model.
Claims (6)
1. an elastic reactance extruding power cable, is characterized in that, comprises the first elastic tube (1), the second elastic tube (2), the first conductor (3) and the second conductor (4), the cross section of the first conductor (3) and the second conductor (4) is ellipse, and the first conductor (3) and the second conductor (4) are by heart yearn and be coated on successively fire-resistant isinglass belt lapping layer outside heart yearn and polyvinyl chloride insulation layer forms, the first elastic tube (1) is located at the center of power cable, many the first conductors (3) evenly distributed and its long axis power cable outside the first elastic tube (1) is radially placed, fire-retardant band lapping layer (5) in many first conductors (3) outer cladding, the space filling fire resisting material (6) between the first elastic tube (1) and many first conductors (3) in interior fire-retardant band lapping layer (5), many the second conductors (4) evenly distributed and its minor axis outside interior fire-retardant band lapping layer (5) is radially placed along power cable, within the second conductor (4) is located at the major axis place included angle of straight line of two the first conductors of arbitrary neighborhood (3), many the second elastic tubes (2) are successively set between two the second conductors of arbitrary neighborhood (4), many the second elastic tubes (2) and many second conductors (4) are positioned on same circumference, the second conductor (4) minor axis length is not more than the diameter of the second elastic tube (2), fire-retardant band lapping layer (7) and external sheath layer (8) outside being coated successively outside the second conductor (4), elastomeric cushion material (9) is filled in space between many second conductors (4) and many second elastic tubes (2) in interior fire-retardant band lapping layer (5) and outer fire-retardant band lapping layer (7).
2. elastic reactance extruding power cable according to claim 1, is characterized in that, the cross-sectional area of the second conductor (4) is 2～8 times of the first conductor (3) cross-sectional area.
3. elastic reactance extruding power cable according to claim 1, is characterized in that, the first elastic tube (1) and the second elastic tube (2) all adopt polyurethane material to make.
4. elastic reactance extruding power cable according to claim 1, is characterized in that the equal diameters of the diameter of the first elastic tube (1) and the second elastic tube (2).
5. elastic reactance extruding power cable according to claim 1, is characterized in that, in the first elastic tube (1) and the second elastic tube (2), is filled with gas.
6. elastic reactance extruding power cable according to claim 5, it is characterized in that, the inlet end of the first elastic tube (1) and the second elastic tube (2) and the outlet side all external sheath layer from cable (8) pass, and external sheath layer (8) is provided with the air vent connector being connected with outlet side with inlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103675.4U CN203826102U (en) | 2014-03-06 | 2014-03-06 | Elastic anti-extrusion power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103675.4U CN203826102U (en) | 2014-03-06 | 2014-03-06 | Elastic anti-extrusion power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826102U true CN203826102U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103675.4U Expired - Fee Related CN203826102U (en) | 2014-03-06 | 2014-03-06 | Elastic anti-extrusion power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826102U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903793A (en) * | 2014-03-06 | 2014-07-02 | 安徽万泰电缆有限公司 | Elastic and extrusion-resistant power cable |
| CN105551629A (en) * | 2016-02-03 | 2016-05-04 | 安徽中天电缆有限公司 | Fire-prevention and crack-prevention cable |
| CN105551658A (en) * | 2016-02-03 | 2016-05-04 | 安徽中天电缆有限公司 | Voltage resistant cable preventing fire and mouse |
| CN105590691A (en) * | 2016-02-03 | 2016-05-18 | 安徽长风电缆集团有限公司 | Anti-freezing rat-proof pressure-resistant cable |
| CN105632621A (en) * | 2016-02-03 | 2016-06-01 | 安徽长风电缆集团有限公司 | Waterproof fire-retardant fire-extinguishing caution cable |
| CN105741956A (en) * | 2016-02-03 | 2016-07-06 | 安徽中天电缆有限公司 | Safety cable |
| CN106782811A (en) * | 2016-12-03 | 2017-05-31 | 安徽中润电缆集团股份有限公司 | A kind of multicore resistance to compression high-temperature cable |
| CN107230526A (en) * | 2017-05-24 | 2017-10-03 | 晋源电气集团股份有限公司 | A kind of warp resistance resistance to deformation power cable |
| CN107256737A (en) * | 2017-05-24 | 2017-10-17 | 晋源电气集团股份有限公司 | A kind of high temperature resistant anti-extrusion controls cable |
| CN109616254A (en) * | 2019-01-13 | 2019-04-12 | 朱昀 | A kind of power cable |
-
2014
- 2014-03-06 CN CN201420103675.4U patent/CN203826102U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903793A (en) * | 2014-03-06 | 2014-07-02 | 安徽万泰电缆有限公司 | Elastic and extrusion-resistant power cable |
| CN103903793B (en) * | 2014-03-06 | 2016-08-24 | 安徽万泰电缆有限公司 | A kind of elastic reactance extruding power cable |
| CN105551629A (en) * | 2016-02-03 | 2016-05-04 | 安徽中天电缆有限公司 | Fire-prevention and crack-prevention cable |
| CN105551658A (en) * | 2016-02-03 | 2016-05-04 | 安徽中天电缆有限公司 | Voltage resistant cable preventing fire and mouse |
| CN105590691A (en) * | 2016-02-03 | 2016-05-18 | 安徽长风电缆集团有限公司 | Anti-freezing rat-proof pressure-resistant cable |
| CN105632621A (en) * | 2016-02-03 | 2016-06-01 | 安徽长风电缆集团有限公司 | Waterproof fire-retardant fire-extinguishing caution cable |
| CN105741956A (en) * | 2016-02-03 | 2016-07-06 | 安徽中天电缆有限公司 | Safety cable |
| CN106782811A (en) * | 2016-12-03 | 2017-05-31 | 安徽中润电缆集团股份有限公司 | A kind of multicore resistance to compression high-temperature cable |
| CN107230526A (en) * | 2017-05-24 | 2017-10-03 | 晋源电气集团股份有限公司 | A kind of warp resistance resistance to deformation power cable |
| CN107256737A (en) * | 2017-05-24 | 2017-10-17 | 晋源电气集团股份有限公司 | A kind of high temperature resistant anti-extrusion controls cable |
| CN109616254A (en) * | 2019-01-13 | 2019-04-12 | 朱昀 | A kind of power cable |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160306 |