CN207731714U - A kind of power cable that tension is antitorque - Google Patents
A kind of power cable that tension is antitorque Download PDFInfo
- Publication number
- CN207731714U CN207731714U CN201721883189.9U CN201721883189U CN207731714U CN 207731714 U CN207731714 U CN 207731714U CN 201721883189 U CN201721883189 U CN 201721883189U CN 207731714 U CN207731714 U CN 207731714U
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- core wire
- cable
- rubber sleeve
- antitorque
- outside
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Abstract
The utility model discloses a kind of power cables that tension is antitorque,Including fixing sleeve,Core wire space there are three being set in the fixing sleeve,The fixing sleeve outer sheath is equipped with rubber sleeve,The adjacent core wire space is separated by buffering parting bead,The core wire spatial interpolation is equipped with core wire,It is enclosed with insulated hull on the outside of the core wire,Flame retardant coating is equipped between the insulated hull and core wire,Spring wire is equipped with by helicla flute on the outside of the rubber sleeve,The rubber sleeve outer sheath is equipped with insulating protective sleeve,Cable is various fire-retardant,The structure of cable is difficult damage under fire resisting and the protection of heat-barrier material,Reduce the generation of cable high-temperature accident,Three core wires are spaced from each other and do not interfere with each other,Make cable by torsion by the outside winding spring silk in rubber sleeve,Ability with self-recovery when pulling force,To make the core wire inside cable be not easy to clench,Cable transmission electric power is more smooth,Extend the service life of cable.
Description
Technical field
The utility model is related to power cable field, specially a kind of power cable that tension is antitorque.
Background technology
Electric wire is transmitting electricity（Magnetic）Can, information and the wire product for realizing electromagnetic energy conversion, the electric wire electricity of broad sense
Cable is also referred to simply as cable, and the cable of narrow sense refers to insulated cable, it may be defined as：The aggregate consisted of following parts；One
Or the clad that a plurality of insulated core and each may have, total protective layer and outer jacket, cable can also have additional
The conductor not insulated.To transmit electricity（Magnetic）Can, information and the wire product for realizing electromagnetic energy conversion.The electric wire of broad sense
It is also referred to simply as cable, the cable of narrow sense refers to insulated cable.It may be defined as, the aggregate consisted of following parts：One or
The clad that a plurality of insulated core and each may have, total protective layer and outer jacket, cable, which can also have, additional not to be had
There is the conductor of insulation.
Power cable is mainly characterized by：It is squeezed outside conductor（Around）Packet insulating layer, such as aerial insulated cable or a few cores are twisted
（Phase line, zero curve and the ground wire of corresponding electric system）, such as above aerial insulated cable of two cores or is further added by restrictive coating, as plastics/
Rubber covers electric wire.Main technology has drawing, is twisted, is insulating exruded（It is wrapped）, stranding, armouring and sheath squeeze out etc.,
The different process step combinations of various products have certain difference.Product is used primarily in hair, matches, is defeated, becoming, the forceful electric power electric energy in supply line
Transmission, by electric current it is big（Dozens of Ann is to several kilo-amperes）, voltage it is high（220V to 35kV or more）.
Such product is mainly characterized by：Description is various, has wide range of applications, using voltage in 1kV and following more,
Constantly derive new product in face of special occasions, such as fire resisting cable, flame-retardant cable, low smoke and zero halogen/low-smoke low-halogen cable, prevents in vain
Ant, anti-mouse cable, oil resistant/cold-resistant/heatproof/wear-resisting cable, medical/agricultural/mining cable, thin-walled electric wire etc..
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system transmitting and distribute the cable product of high-power power, including 1-
500KV and any of the above voltage class, the power cable of various insulation.Traditional power cable, poor heat resistance, and with
The insulated ring of the raising of environment temperature, cable may smolder, and generate halogen gas, serious or even can burn.
But existing power cable has the following defects：
（1）Existing three-phase electrical cable there are a prodigious defect be exactly three core wires be all it is cylindrical, such three
Insulated hull on the outside of a core wire is easy breakage due to friction, to cause the short circuit of cable inside conductor, can cause great electricity
Power accident；
（2）Tension is not antitorque for existing cable, in cable under tension or torsion, can usually keep under tension or torsion
Shape after power, with regard to bigger, core wire is easy to clench the extruding force between two such core wire, makes the insulation on core wire
Skin is more easily rupturable, to cause short circuit；
（3）Cable has many inflammable objects because it is internal, such as the outer barrel that insulated hull, plastic material make, in core
When line fever is larger more, it is easy that insulated hull is made to light, fire is caused not say, and because making the internal structure of cable be burnt
It ruins, short circuit can be caused by contacting with each other between core wire, and the electrifying system of cable is made to paralyse；
（4）Without buffer substance or structure in cable, when cable is by pressure, core wire is easy to happen deformation, and line skin is easy
Rupture, makes the transmission speed of cable substantially reduce, short circuit can occur when serious.
Invention content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of power cable that tension is antitorque, cable
Energy high temperature resistant, reduces the generation of cable high-temperature accident, three core wires are spaced from each other and do not interfere with each other, by the outside of rubber sleeve
Winding spring silk makes cable ability with self-recovery when by torsion, pulling force, to make the core wire inside cable
It is not easy to clench, cable transmission electric power is more smooth, extends the service life of cable, can effectively solve the problem that background technology proposes
The problem of.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of power cable that tension is antitorque, including fixing sleeve, set that there are three core wire spaces in the fixing sleeve, described solid
Surely set outer sheath is equipped with rubber sleeve, and the adjacent core wire space is separated by buffering parting bead, and the core wire spatial interpolation is equipped with
Core wire, the core wire outside are enclosed with insulated hull, flame retardant coating are equipped between the insulated hull and core wire；
Spring wire is equipped with by helicla flute on the outside of the rubber sleeve, the rubber sleeve outer sheath is equipped with insulating protective sleeve.
Further, metal knitted shielded layer is equipped between the rubber sleeve and fixing sleeve.
Further, it is also inserted with ground core wire in the core wire space, heat-insulated filled layer is equipped in the core wire space.
Further, polyvinyl chloride resin particle is filled in the buffering parting bead.
Further, the flame retardant coating is wrapped in the outside of core wire for-stratus master tape and is formed.
Compared with prior art, the utility model has the beneficial effects that：
（1）The design of the fire-retardant flame resistant materials such as the flame retardant coating of the utility model, heat-insulated filled layer, polyvinyl chloride resin particle
Make cable more resistant to high temperature, even if the insulated hull on the outside of core wire is burned out, cable can still work normally, and make the work of cable more
Reliably, reduce the generation of high temperature accidents；
（2）The design of the buffering parting bead of the utility model is not only spaced from each other three core wires not interfere with each other, and in cable
When bearing extruding force, buffering the elastic force of parting bead and cushion effect makes insulated hull not rupture, and ensure that intact inside cable；
（3）The utility model makes cable when by torsion, pulling force by the outside winding spring silk in rubber sleeve
Ability with self-recovery, to make the core wire inside cable be not easy to clench, cable transmission electric power is more smooth, prolongs
The service life of cable is grown.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the rubber sleeve structural schematic diagram of the utility model.
Figure label：
1- fixing sleeves；2- core wires space；3- rubber sleeves；4- buffers parting bead；5- core wires；6- insulated hulls；7- flame retardant coatings；8- spiral shells
Spin slot；9- spring wires；10- insulating protective sleeves；The metal knitted shielded layers of 11-；The ground 12- core wire；The heat-insulated filled layers of 13-；14- polychlorostyrene
Vinyl particle.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model provides a kind of power cable that tension is antitorque, including fixing sleeve 1, the fixation
It is set in set 1 there are three core wire space 2, ground core wire 12 is inserted in the core wire space 2, be embedded in the cable of underground in electric leakage
Core wire can be electrically communicated to underground by what is missed, prevent electricity from being damaged to staff or the people that satisfies the need.1 outside of the fixing sleeve
It is arranged rubber sleeve 3, metal knitted shielded layer 11 is equipped between the rubber sleeve 3 and fixing sleeve 1, it can be by the electromagnetism spoke of cable
It penetrates and masks, the cable of energization is made not cause radiation hazradial bundle to extraneous staff.
The adjacent core wire space 2 is separated by buffering parting bead 4, and polyvinyl chloride tree is filled in the buffering parting bead 4
Fat particle 14, buffering parting bead 4 can be rubber material make, have certain elastic buffer power, cable be extruded or by
When torsion, certain deformation can occur for buffering parting bead 4, and insulated hull 6 eases up even if heat-insulated filled layer 13 no longer has
The function that parting bead 4 separates is rushed, the cushioning effect of buffering parting bead 4 also makes insulated hull 6 be difficult rupture.If it is larger that core wire 5 distributes heat,
Some heat transfers can be given to buffering parting bead 4, at this moment polyvinyl chloride resin particle 14 can be thermally decomposed, and generate hydrogen chloride gas,
To starvation, it is difficult to be ignited to make buffering parting bead 4, plays fire retardation, three core wires 5 is enable to remain at respectively
Position, will not contact with each other and short-circuit, increase the safety of cable.
Core wire 5 is inserted in the core wire space 2,5 outside of the core wire is enclosed with insulated hull 6, the insulated hull 6 and core
Flame retardant coating 7 is equipped between line 5, the outside that the flame retardant coating 7 is wrapped in core wire 5 for 3-6 stratus master tapes is formed, and mica tape is market
Upper common refractory material, when core wire 5 generates heat more, it is resistant to burn for a long time, even if insulated hull 6 is burned out,
Core wire 5 can still work normally, and enable cable in harsher, high temperature local work.
Heat-insulated filled layer 13 is equipped in the core wire space 2, here heat-insulated filled layer 13 use alumina silicate fibre loose wool for
Filler material, alumina silicate fibre loose wool have the following advantages：
（1）Good chemical stability, resistant to corrosion, electrical insulating property is good, even if if making 5 insulated hull 6 of core wire break electric current not
It can flow to easily on the outside of cable, keep cable safer；
（2）With excellent elasticity and flexibility, installation easy to process, and cable by torsion and/or extruding force when
Wait, since the insulated hull 6 in the outside of elastic core wire 5 of alumina silicate fibre loose wool is not easily broken, heat-insulated filled layer 13 by insulated hull 6 with
Buffering parting bead 4 separates, the two will not phase mutual friction, the service life of the two all lengthens significantly；
（3）Characteristic low with thermal conductivity, low heat capacity, good heat-proof quality, when core wire 5 generates heat, it is difficult to will
Heat transfer enables cable to remain that shape, the position of cable internal core wire 5 will not change to fixing sleeve 1 or buffering parting bead 4,
Cable can continue to keep good energization performance.
As shown in Fig. 2, 3 outside of the rubber sleeve is equipped with spring wire 9 by helicla flute 8, spring wire 9 is fixed on rubber sleeve
3 outer surface, spring wire 9 have the elastic recovery characteristics of spring.3 outer sheath of the rubber sleeve is equipped with insulating protective sleeve 10,
When cable is by extraneous pulling force, elastic deformation can occur for rubber sleeve 3 and spring wire 9, when the external tensile force to cable disappears,
Since the elastic restoring force of spring wire 9 and the axial deformation of rubber sleeve 3 can also be restored, make cable that there are tensile characteristics.
When turn-knob power of the cable by external force, spring wire 9 is radially contracted or opens, and spring wire 9 is radially opened
After opening, the elastic restoring force of spring wire 9 can make spring wire 9 restore to the original state, to make rubber sleeve 3 also restore to the original state；9 edge of spring wire
After radial contraction, the elastic restoring force and rubber sleeve 3 of spring wire 9 make spring wire 9 faster restore the elastic acting force of spring wire 9
Original state makes the kink momentary recovery of cable, the core wire 5 in cable be not easy to clench, phase mutual friction would not also occur and
Broken skin, the situation of short circuit, keep cable more safe and reliable.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of power cable that tension is antitorque, it is characterised in that：Including fixing sleeve（1）, the fixing sleeve（1）There are three inside setting
Core wire space（2）, the fixing sleeve（1）Outer sheath is equipped with rubber sleeve（3）, the adjacent core wire space（2）Pass through buffer compartment
Item（4）It separates, the core wire space（2）Inside it is inserted with core wire（5）, the core wire（5）Outside is enclosed with insulated hull（6）, described
Insulated hull（6）With core wire（5）Between be equipped with flame retardant coating（7）；
The rubber sleeve（3）Outside passes through helicla flute（8）Spring wire is installed（9）, the rubber sleeve（3）Outer sheath is equipped with insulation
Protective case（10）.
2. a kind of antitorque power cable of tension according to claim 1, it is characterised in that：The core wire space（2）It is interior
Also it is inserted with ground core wire（12）, the core wire space（2）It is interior to be equipped with heat-insulated filled layer（13）.
3. a kind of antitorque power cable of tension according to claim 1, it is characterised in that：The rubber sleeve（3）With it is solid
Fixed set（1）Between be equipped with metal knitted shielded layer（11）.
4. a kind of antitorque power cable of tension according to claim 1, it is characterised in that：The buffering parting bead（4）It is interior
Filled with polyvinyl chloride resin particle（14）.
5. a kind of antitorque power cable of tension according to claim 1, it is characterised in that：The flame retardant coating（7）For 3-6
Stratus master tape is wrapped in core wire（5）Outside and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883189.9U CN207731714U (en) | 2017-12-28 | 2017-12-28 | A kind of power cable that tension is antitorque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883189.9U CN207731714U (en) | 2017-12-28 | 2017-12-28 | A kind of power cable that tension is antitorque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731714U true CN207731714U (en) | 2018-08-14 |
Family
ID=63087330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721883189.9U Expired - Fee Related CN207731714U (en) | 2017-12-28 | 2017-12-28 | A kind of power cable that tension is antitorque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731714U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949995A (en) * | 2019-04-18 | 2019-06-28 | 安徽华电线缆股份有限公司 | A kind of cold-resistant outdoor electric cable |
| CN110534246A (en) * | 2019-09-12 | 2019-12-03 | 深圳市来事达电线电缆实业有限公司 | A kind of overhead high tensile energy cable of long range |
| CN112117035A (en) * | 2020-09-23 | 2020-12-22 | 昆明昆宝电线电缆制造有限公司 | High pliability TPU elastomer unmanned aerial vehicle type cable that waits |
| CN112309631A (en) * | 2020-09-28 | 2021-02-02 | 泰州翔升科技服务有限公司 | Multilayer composite signal cable |
| CN112927844A (en) * | 2021-02-05 | 2021-06-08 | 山东中迈电缆有限公司 | Flexible fireproof mineral insulated cable and preparation method thereof |
| CN113963851A (en) * | 2021-10-28 | 2022-01-21 | 安徽环宇电缆集团有限公司 | Flat anti-torsion cable for electrical equipment and manufacturing method thereof |
-
2017
- 2017-12-28 CN CN201721883189.9U patent/CN207731714U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949995A (en) * | 2019-04-18 | 2019-06-28 | 安徽华电线缆股份有限公司 | A kind of cold-resistant outdoor electric cable |
| CN110534246A (en) * | 2019-09-12 | 2019-12-03 | 深圳市来事达电线电缆实业有限公司 | A kind of overhead high tensile energy cable of long range |
| CN112117035A (en) * | 2020-09-23 | 2020-12-22 | 昆明昆宝电线电缆制造有限公司 | High pliability TPU elastomer unmanned aerial vehicle type cable that waits |
| CN112309631A (en) * | 2020-09-28 | 2021-02-02 | 泰州翔升科技服务有限公司 | Multilayer composite signal cable |
| CN112927844A (en) * | 2021-02-05 | 2021-06-08 | 山东中迈电缆有限公司 | Flexible fireproof mineral insulated cable and preparation method thereof |
| CN112927844B (en) * | 2021-02-05 | 2022-06-21 | 山东中迈电缆有限公司 | Flexible fireproof mineral insulated cable and preparation method thereof |
| CN113963851A (en) * | 2021-10-28 | 2022-01-21 | 安徽环宇电缆集团有限公司 | Flat anti-torsion cable for electrical equipment and manufacturing method thereof |
| CN113963851B (en) * | 2021-10-28 | 2024-01-12 | 安徽环宇电缆集团有限公司 | Cable for flat torsion-resistant electrical equipment and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20181228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |