CN203102968U - High-temperature-resistant, bending-resistant and termite-prevention cable - Google Patents
High-temperature-resistant, bending-resistant and termite-prevention cable Download PDFInfo
- Publication number
- CN203102968U CN203102968U CN 201320010844 CN201320010844U CN203102968U CN 203102968 U CN203102968 U CN 203102968U CN 201320010844 CN201320010844 CN 201320010844 CN 201320010844 U CN201320010844 U CN 201320010844U CN 203102968 U CN203102968 U CN 203102968U
- Authority
- CN
- China
- Prior art keywords
- cable
- layer
- termite
- mica tape
- high temperature
- 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
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Abstract
The utility model discloses a high-temperature-resistant, bending-resistant and termite-prevention cable. The cable comprises a plurality of conductors, and a composite fireproof layer and an insulating layer are wrapped outside each conductor in order, so that insulting cores are formed. Each composite fireproof layer successively includes, from inside to outside, a first mica tape, a fireproof inorganic short fiber viscose glue layer and a taped layer. The insulating cores are intertwisted to form a cable core. A second mica tape and an inner sheath formed by intersected braiding are wrapped outside the cable core in order. A nylon protective layer and an outer sheath are successively wrapped outside the inner sheath. A filling layer is disposed between the cable core and the second mica tape. The cable of the utility model has a simple structure, is effectively prevented from being bitten by termites, is improved in terms of high temperature resistance and is guaranteed to be safe to use when being burnt under a high temperature. The inner sheath is designed through intersected braiding and the intersected braiding structure exhibits a large stretching space, so that bending resistance of the cable is effectively enhanced and the service life of the cable is prolonged.
Description
Technical field
The utility model relates to the electric wire field, is specially the termite-proof cable of a kind of high temperature resistant warp resistance.
Background technology
Along with the fast development of power industry, urban construction, all trades and professions are more and more higher to the requirement of cable.The employing that traditional cable is more the relatively poor structure of thermal insulation, not flame resistant, high temperature.Therefore; in breaking out of fire or when being subjected to temperatures involved; the not flame resistant baking of this class cable is difficult to isolated flame, so flame these protective layers that are easy to ablate; make cable directly be subjected to the calcination of flame; cause cable can not work, and common cable is bitten and have potential safety hazard, anti-twist scarce capacity easily by termite because of short circuit; be subjected to distortion to influence easy deformation, cause shorten the useful life of cable.
The utility model content
The purpose of this utility model provides the termite-proof cable of a kind of high temperature resistant warp resistance, not good to solve cable resistance to elevated temperatures traditional in the prior art, cause cable short circuit easily and cisco unity malfunction when being subjected to the flame calcination, bitten by termite easily, anti-twist scarce capacity, be subjected to distortion to influence easy deformation, the problem that useful life is short.
For achieving the above object, the technical solution adopted in the utility model is:
The termite-proof cable of a kind of high temperature resistant warp resistance, include the array conductor, it is characterized in that: every group of conductor all is coated with composite fire layer and insulating barrier outward successively, and formation insulated wire cores, described composite fire layer is followed successively by first mica tape, fire-resistant inorganic short fiber adhesive-layer and lapping layer from inside to outside, the stranded formation cable core of several insulated wire cores, described cable core is coated with the inner sheath that second mica tape and interlacing constitute outward successively, described inner sheath is coated with nylon overcoat and oversheath outward successively, is provided with packed layer between the described cable core and second mica tape.
The termite-proof cable of described a kind of high temperature resistant warp resistance is characterized in that: described fire-resistant inorganic short fiber adhesive-layer adopts polycrystal alumina or polycrystalline mullite short fiber to make.
The termite-proof cable of described a kind of high temperature resistant warp resistance is characterized in that: described oversheath adopts acrylonitrile-butadiene rubber to make.
The beneficial effects of the utility model are:
The utility model is simple in structure, adopts the design of the composite fire layer and second mica tape, for cable provides double-deck high temperature resistant protection, promoted the resistance to elevated temperatures of cable effectively, has guaranteed cable safe in utilization when being subjected to high temperature sintering; Adopt the nylon overcoat design preferably of hardness and surface flatness, prevented that effectively cable from suffering biting of termite; Inner sheath adopts the design of interlacing, and the interlacing structure has bigger extending space, has promoted the anti-twist ability of cable effectively, has prolonged the useful life of cable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the termite-proof cable of a kind of high temperature resistant warp resistance, include array conductor 1, every group of conductor 1 outer composite fire layer and insulating barrier 5 of all being coated with successively, and formation insulated wire cores, the composite fire layer is followed successively by first mica tape 2, fire-resistant inorganic short fiber adhesive-layer 3 and lapping layer 4 from inside to outside, the stranded formation cable core of several insulated wire cores, cable core is coated with the inner sheath 7 of second mica tape 6 and interlacing formation outward successively, be coated with nylon overcoat 8 and oversheath 9 successively outside the inner sheath 7, be provided with packed layer 10 between the cable core and second mica tape 6.
Fire-resistant inorganic short fiber adhesive-layer 3 adopts polycrystal alumina or polycrystalline mullite short fiber to make, and oversheath 9 adopts acrylonitrile-butadiene rubber to make.
Claims (3)
1. termite-proof cable of high temperature resistant warp resistance, include the array conductor, it is characterized in that: every group of conductor all is coated with composite fire layer and insulating barrier outward successively, and formation insulated wire cores, described composite fire layer is followed successively by first mica tape, fire-resistant inorganic short fiber adhesive-layer and lapping layer from inside to outside, the stranded formation cable core of several insulated wire cores, described cable core is coated with the inner sheath that second mica tape and interlacing constitute outward successively, described inner sheath is coated with nylon overcoat and oversheath outward successively, is provided with packed layer between the described cable core and second mica tape.
2. the termite-proof cable of a kind of high temperature resistant warp resistance according to claim 1 is characterized in that: described fire-resistant inorganic short fiber adhesive-layer adopts polycrystal alumina or polycrystalline mullite short fiber to make.
3. the termite-proof cable of a kind of high temperature resistant warp resistance according to claim 1 is characterized in that: described oversheath adopts acrylonitrile-butadiene rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010844 CN203102968U (en) | 2013-01-09 | 2013-01-09 | High-temperature-resistant, bending-resistant and termite-prevention cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010844 CN203102968U (en) | 2013-01-09 | 2013-01-09 | High-temperature-resistant, bending-resistant and termite-prevention cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102968U true CN203102968U (en) | 2013-07-31 |
Family
ID=48854355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010844 Expired - Fee Related CN203102968U (en) | 2013-01-09 | 2013-01-09 | High-temperature-resistant, bending-resistant and termite-prevention cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102968U (en) |
-
2013
- 2013-01-09 CN CN 201320010844 patent/CN203102968U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140109 |