CN206672661U - Orbit traffic direct current draws flexible cable - Google Patents
Orbit traffic direct current draws flexible cable Download PDFInfo
- Publication number
- CN206672661U CN206672661U CN201621395938.9U CN201621395938U CN206672661U CN 206672661 U CN206672661 U CN 206672661U CN 201621395938 U CN201621395938 U CN 201621395938U CN 206672661 U CN206672661 U CN 206672661U
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- oversheath
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Abstract
A kind of orbit traffic direct current traction flexible cable is the utility model is related to, solves the deficiencies in the prior art, technical scheme is：Including conductor, conductor belting layer, insulating barrier, insulate water blocking tape layer, inner sheath and oversheath composition, the conductor is twisted into circle by multiply circle annealed copper wire or tin-coated copper, the conductor belting layer is non-woven fabrics belting layer, the insulating barrier is ethylene propylene rubber insulated layer, the ethylene propylene rubber insulated layer is packaged in the outside of the non-woven fabrics belting layer, the insulation water blocking tape layer is packaged in the outside of the ethylene propylene rubber insulated layer bag, the inner sheath is packaged in the outside of insulation water blocking tape layer, the oversheath is packaged in the outside of the inner sheath, the oversheath is that oversheath is flame-retardant polyolefin sheathed using rat-and-ant proof low smoke zero halogen irradiation crosslinking type.One layer of restrictive coating is extruded after control cable and signal cable stranding, and improving service life effectively prevents cable from ftractureing when heated, the service life improved.
Description
Technical field
A kind of cable is the utility model is related to, more particularly to a kind of orbit traffic direct current traction flexible cable.
Background technology
With the development of power industry, direct current cables is high with its transfer rate, and line loss is small；Adjust electric current and change and transmit
Direction is convenient；Installation, the features such as maintenance cost is low, more and more apply in each field, my company is in recent years in track traffic
Field achievement is protruded, and various regions subway construction is continuously increased to the demand of direct current cables, and proposes higher requirement, is compeled highly necessary
The environment-friendly type direct current cables of our Speeding up development a new generations is sought, to meet the needs of market.
Utility model content
The purpose of this utility model is solve the problems, such as that above-mentioned prior art has environment-friendly type direct current cables, there is provided one
Kind environment-friendly type direct current cables.
Technical scheme is used by the utility model solves its technical problem：A kind of orbit traffic direct current draws soft electricity
Cable, including conductor, conductor belting layer, insulating barrier, insulation water blocking tape layer, inner sheath and oversheath composition, the conductor is by multiply
Circular annealed copper wire or tin-coated copper are twisted into circle, and the conductor belting layer is non-woven fabrics belting layer, and the insulating barrier is second third
Rubber insulation, the ethylene propylene rubber insulated layer are packaged in the outside of the non-woven fabrics belting layer, the insulation water blocking tape layer bag
The outside of the ethylene propylene rubber insulated layer is located at, the inner sheath is packaged in the outside of insulation water blocking tape layer, the oversheath bag
The outside of the inner sheath is located at, the oversheath is that oversheath uses rat-and-ant proof low smoke zero halogen irradiation crosslinking type fire retardant polyolefin
Sheath.
The utility model conductor is twisted into the circular flexibility for improving cable by multiply circle annealed copper wire or tin-coated copper,
Rat-and-ant proof low smoke zero halogen irradiation crosslinking type flame retardant polyolefin jacket material is used on oversheath.It can effectively prevent cable heated
Shi Fasheng ftractures, the service life improved.
Preferably, the conductor is twisted into circle by multiply circle annealed copper wire and some dacron threads.The utility model
In this way, the service life of conductor can be improved.
Preferably, the inner sheath is low smoke halogen-free flame-retardant polyolefin inner sheath.Protected in low smoke halogen-free flame-retardant polyolefin
Set can prevent the caused poison gas that burns, and improve the security of product.
Preferably, leakage indicator coating is coated with the inwall of the oversheath.
Preferably, the oversheath is the rat-and-ant proof low smoke zero halogen added with irradiation sensitizer, antioxidant and age resistor
Irradiation crosslinking type is flame-retardant polyolefin sheathed.Addition irradiation sensitizing layer make material have can cross-linking radiation characteristic, the material after crosslinking
With thermosetting property, can be used for a long time at a temperature of 125 DEG C.
Substantial effect of the present utility model is：1st, addition dacron thread, conductor in the conductor of cable and signal cable are controlled
It is processed using canoe, conductor service life is longer.2nd, one layer of sheath is extruded after controlling cable and signal cable stranding
Layer, interior addition irradiation sensitizer, antioxidant and age resistor, improving service life effectively prevents cable from opening when heated
Split, the service life improved.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of the present utility model.
In figure：1st, conductor, 2, conductor belting layer, 3, insulating barrier, 4, insulation water blocking tape layer, 5, inner sheath, 6, oversheath.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment 1：
A kind of orbit traffic direct current draws flexible cable（Referring to accompanying drawing 1）, including conductor 1, conductor belting layer 2, insulating barrier 3,
Insulation water blocking tape layer 4, inner sheath 5 and oversheath 6 form, and the conductor is twisted into circle by multiply circle annealed copper wire or tin-coated copper
Shape, the conductor belting layer are non-woven fabrics belting layer, and the insulating barrier is ethylene propylene rubber insulated layer, the ethylene propylene rubber insulated layer
The outside of the non-woven fabrics belting layer is packaged in, the insulation water blocking tape layer is packaged in the outside of the ethylene propylene rubber insulated layer,
The inner sheath is packaged in the outside of insulation water blocking tape layer, and the oversheath is packaged in the outside of the inner sheath, the outer shield
Cover for rat-and-ant proof low smoke zero halogen irradiation crosslinking type it is flame-retardant polyolefin sheathed.The conductor is by multiply circle annealed copper wire and some washs
Synthetic fibre silk is twisted into circle.The inner sheath is low smoke halogen-free flame-retardant polyolefin inner sheath.It is coated with the inwall of the oversheath
Reveal indicator coating.The oversheath is the rat-and-ant proof low smoke zero halogen spoke added with irradiation sensitizer, antioxidant and age resistor
It is flame-retardant polyolefin sheathed according to cross-linking type.
1st, addition dacron thread, conductor in the conductor of cable and signal cable is controlled to be processed using canoe, conductor
Service life is longer.2nd, one layer of restrictive coating, interior addition irradiation sensitizer, antioxygen are extruded after controlling cable and signal cable stranding
Agent and age resistor, improving service life effectively prevents cable from ftractureing when heated, the service life improved.Add spoke
According to sensitizing layer make material have can cross-linking radiation characteristic, the material after crosslinking has thermosetting property, can be for a long time at a temperature of 125 DEG C
Use.
Embodiment 2：
The present embodiment is substantially the same manner as Example 1, and difference is, the overall cross section of the present embodiment is in kidney ellipsoid.
The present embodiment is set to kidney ellipsoid, and structure is more attractive in appearance, while the present embodiment can also be allowed to avoid distorting as far as possible.
Embodiment 3：
The present embodiment is substantially the same manner as Example 2, and difference is, if being offered in the sheath extruded in the present embodiment
Dry filling hole, described fill are filled out in hole provided with leakage indicator.The present embodiment is in this way, can reach the mesh of leakage instruction
's.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (5)
1. a kind of orbit traffic direct current draws flexible cable, it is characterised in that：Including conductor, conductor belting layer, insulating barrier, insulation resistance
Water belt, inner sheath and oversheath composition, the conductor is twisted into circle by multiply circle annealed copper wire or tin-coated copper, described to lead
Body belting layer is non-woven fabrics belting layer, and the insulating barrier is ethylene propylene rubber insulated layer, and the ethylene propylene rubber insulated layer is packaged in institute
The outside of non-woven fabrics belting layer is stated, the insulation water blocking tape layer is packaged in the outside of the ethylene propylene rubber insulated layer, the interior shield
Set is packaged in the outside of insulation water blocking tape layer, and the oversheath is packaged in the outside of the inner sheath, and the oversheath is protection against rodents
Ant low smoke and zero halogen irradiation crosslinking type is flame-retardant polyolefin sheathed.
2. orbit traffic direct current according to claim 1 draws flexible cable, it is characterised in that：The conductor is circular by multiply
Annealed copper wire and some dacron threads are twisted into circle.
3. orbit traffic direct current according to claim 1 or 2 draws flexible cable, it is characterised in that：The inner sheath is low
Cigarette halogen-free anti-flaming polyolefin inner sheath.
4. orbit traffic direct current according to claim 1 or 2 draws flexible cable, it is characterised in that：The oversheath it is interior
Leakage indicator coating is coated with wall.
5. orbit traffic direct current according to claim 1 or 2 draws flexible cable, it is characterised in that：The oversheath is to add
It is flame-retardant polyolefin sheathed added with the rat-and-ant proof low smoke zero halogen irradiation crosslinking type of irradiation sensitizer, antioxidant and age resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395938.9U CN206672661U (en) | 2016-12-19 | 2016-12-19 | Orbit traffic direct current draws flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395938.9U CN206672661U (en) | 2016-12-19 | 2016-12-19 | Orbit traffic direct current draws flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206672661U true CN206672661U (en) | 2017-11-24 |
Family
ID=60357820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395938.9U Expired - Fee Related CN206672661U (en) | 2016-12-19 | 2016-12-19 | Orbit traffic direct current draws flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206672661U (en) |
-
2016
- 2016-12-19 CN CN201621395938.9U patent/CN206672661U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20201219 |