CN203839093U - Communication cable mounted in tunnel - Google Patents
Communication cable mounted in tunnel Download PDFInfo
- Publication number
- CN203839093U CN203839093U CN201420155142.0U CN201420155142U CN203839093U CN 203839093 U CN203839093 U CN 203839093U CN 201420155142 U CN201420155142 U CN 201420155142U CN 203839093 U CN203839093 U CN 203839093U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- tunnel
- lapping layer
- composite conductor
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a communication cable mounted in a tunnel. The communication cable comprises a conductor which is formed by three tin-coated copper conductors and three galvanizing steel wires enclosing and being twisted on the periphery of an elastic rope, wherein the center of the elastic rope is provided with a central rope formed by aramid fiber and tensile fiber bundled and twisted. The composite conductor is wrapped up by an adhesive tape winding layer, a brass wire braiding layer, an inner waterproof canvas band winding layer, a cold-resistant butyronityile inner sheath layer, an outer waterproof canvas band winding layer and a cold-resistant butyronityile oversheath layer. The composite conductor is formed by three tin-coated copper conductors and three galvanizing steel wires enclosing and being twisted on the periphery of an elastic rope, which improves the compactness of the cable and improves the tensile strength. Furthermore, the cable is provided with multiple waterproof canvas band winding layers, thereby improving the waterproof performance of the cable.
Description
technical field:
The utility model relates to telecommunication cable, relates in particular to a kind of telecommunication cable for setting up in tunnel.
background technology:
Along with the development of the communication technology, the application of cable is more and more extensive.In tunnel wet environment, need to there is good waterproof and dampproof performance to the surrounding layer of cable, to can effectively protect cable core, certainly just need cable to have good mechanical performance for the installation of setting up of long distance, otherwise the disconnected core phenomenon in the easy contact of cable core.
Tunnel installing cables in the market mechanical performance and waterproof and dampproof aspect always all not ideal enough, the environment for use that very difficult adaptation is more severe.
utility model content:
In order to make up prior art problem, the purpose of this utility model is to provide a kind of telecommunication cable for setting up in tunnel, and structural compactness is good, has good waterproof and humidity resistance, and tensile strength gets a promotion simultaneously.
The technical solution of the utility model is as follows:
For the telecommunication cable setting up in tunnel, it is characterized in that: comprise composite conductor, described composite conductor is centered around elastic threads periphery and is formed by 3 tinned copper conductors, 3 zinc-coated wires, wherein tinned copper conductor, zinc-coated wire are spaced apart from each other, the center of elastic threads is provided with the axial cord of aramid fiber yarn and traction-resistant fibre tow strand formation, and composite conductor is coated with lapping layer in adhesive tape lapping layer, proof copper-wire braided layer, Tarpauling band, cold-resistant butyronitrile inner restrictive coating, the outer lapping layer of Tarpauling band, cold-resistant butyronitrile external sheath layer.
The described telecommunication cable for setting up in tunnel, is characterized in that: in described Tarpauling band, the wrapped rate of putting up of lapping layer is not less than 40%.
The described telecommunication cable for setting up in tunnel, is characterized in that: the wrapped rate of putting up of the described outer lapping layer of Tarpauling band is not less than 35%.
The utility model has the advantages that:
The utility model coordinates elastic threads to form composite conductor by 3 tinned copper conductors, 3 zinc-coated wires, improve the structural compactness of cable, also increased tensile strength, in addition simultaneously, cable has multilayer flashing woven belt lapping layer, has improved the water resistance of cable.
brief description of the drawings:
Fig. 1 is structural representation of the present utility model.
embodiment:
Referring to accompanying drawing:
For the telecommunication cable setting up in tunnel, comprise composite conductor, composite conductor is centered around elastic threads 3 peripheries by 1,3 zinc-coated wires 2 of 3 tinned copper conductors and forms, wherein tinned copper conductor 2, zinc-coated wire 3 are spaced apart from each other, the center of elastic threads 3 is provided with the axial cord 4 of aramid fiber yarn and traction-resistant fibre tow strand formation, and composite conductor is coated with lapping layer 7 in adhesive tape lapping layer 5, proof copper-wire braided layer 6, Tarpauling band, cold-resistant butyronitrile inner restrictive coating 8, the outer lapping layer 9 of Tarpauling band, cold-resistant butyronitrile external sheath layer 10.
In Tarpauling band, the wrapped rate of putting up of lapping layer 7 is not less than 40%.
The wrapped rate of putting up of the outer lapping layer 9 of Tarpauling band is not less than 35%.
Claims (3)
1. the telecommunication cable for setting up in tunnel, it is characterized in that: comprise composite conductor, described composite conductor is centered around elastic threads periphery and is formed by 3 tinned copper conductors, 3 zinc-coated wires, wherein tinned copper conductor, zinc-coated wire are spaced apart from each other, the center of elastic threads is provided with the axial cord of aramid fiber yarn and traction-resistant fibre tow strand formation, and composite conductor is coated with lapping layer in adhesive tape lapping layer, proof copper-wire braided layer, Tarpauling band, cold-resistant butyronitrile inner restrictive coating, the outer lapping layer of Tarpauling band, cold-resistant butyronitrile external sheath layer.
2. the telecommunication cable for setting up in tunnel according to claim 1, is characterized in that: in described Tarpauling band, the wrapped rate of putting up of lapping layer is not less than 40%.
3. the telecommunication cable for setting up in tunnel according to claim 1, is characterized in that: the wrapped rate of putting up of the described outer lapping layer of Tarpauling band is not less than 35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155142.0U CN203839093U (en) | 2014-03-31 | 2014-03-31 | Communication cable mounted in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155142.0U CN203839093U (en) | 2014-03-31 | 2014-03-31 | Communication cable mounted in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839093U true CN203839093U (en) | 2014-09-17 |
Family
ID=51516905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155142.0U Expired - Fee Related CN203839093U (en) | 2014-03-31 | 2014-03-31 | Communication cable mounted in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839093U (en) |
-
2014
- 2014-03-31 CN CN201420155142.0U patent/CN203839093U/en not_active Expired - Fee Related
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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: 20140917 Termination date: 20190331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |