CN202887861U - Waterproof tensile warp-resistant fireproof power cable - Google Patents
Waterproof tensile warp-resistant fireproof power cable Download PDFInfo
- Publication number
- CN202887861U CN202887861U CN 201220487976 CN201220487976U CN202887861U CN 202887861 U CN202887861 U CN 202887861U CN 201220487976 CN201220487976 CN 201220487976 CN 201220487976 U CN201220487976 U CN 201220487976U CN 202887861 U CN202887861 U CN 202887861U
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- waterproof
- power cable
- cable
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- Expired - Fee Related
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Abstract
The utility model discloses a waterproof tensile warp-resistant fireproof power cable, comprising a plurality of groups of conductor, wherein each group of conductor is orderly wrapped with a composite insulating layer and a mica tape to form one insulating wire core, the composite insulating layer orderly comprises a semi-conductive nylon lapped wrapping tape, a polyvinyl chloride insulating layer and a semi-conductive shielding layer from the inner side to the outer side, a plurality of insulating wire cores and a reinforcing steel core are intertwisted to form a cable core, the cable core is wrapped with a radial waterproof buffer layer, the radial waterproof buffer layer is wrapped with an inner sheath formed through cross weaving, the inner sheath is orderly wrapped with a non-woven fabric lapped wrapping tape and a sheath layer, and the gap between the cable core and thee radial waterproof buffer layer is filled with a filling layer. The waterproof tensile warp-resistant fireproof power cable is simple in structure, good in insulating property and fireproof property, and can undergo the firing of high temperature flame for a long time, thereby ensuring the use safety of power cables; and is good in waterproof property, tension resistance and warp resistance, and long in service life.
Description
Technical field
The utility model relates to the electric wire field, is specially a kind of waterproof tensile warp resistance fireproof power cable.
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.Existing power cable insulation performance is not good; fire resistance is relatively poor, when breaking out of fire, and the not flame resistant baking of this class cable; be difficult to isolated flame; therefore flame these protective layers that are easy to ablate make cable directly be subject to the calcination of flame, have potential safety hazard; and the water resistance of common power cable is not good; resistance to tension and anti-twist scarce capacity are affected by infiltration, stretching and distortion easily, and shorten the useful life of cable.
The utility model content
The purpose of this utility model provides a kind of waterproof tensile warp resistance fireproof power cable, not good to solve power cable insulation performance traditional in the prior art, fire resistance is relatively poor, cable was affected by the flame calcination easily and causes decreasing insulating when fire occured, there is potential safety hazard, and water resistance is not good, and resistance to tension and anti-twist scarce capacity are easily seeped water, stretch and twist the problem that affects and cause shortening in cable useful life.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of waterproof tensile warp resistance fireproof power cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite insulation layer and mica tape outward successively, and formation insulated wire cores, described composite insulation layer is followed successively by wrapped semiconductive nylon tape from inside to outside, polyvinyl chloride insulation layer and semiconductive shielding layer, several insulated wire cores and the stranded rear formation cable core of reinforcement steel core, described cable core is coated with the radial water-resisting resilient coating, described radial water-resisting resilient coating is coated with the inner sheath that interlacing consists of, described inner sheath is coated with nonwoven fabrics twining package tape and restrictive coating outward successively, is provided with packed layer between described cable core and the radial water-resisting resilient coating.
Described a kind of waterproof tensile warp resistance fireproof power cable is characterized in that: described restrictive coating adopts flame-proof polyvinyl chloride to make.
Described a kind of waterproof tensile warp resistance fireproof power cable is characterized in that: described packed layer is the intumescent inserts that blocks water.
The beneficial effects of the utility model are:
The utility model is simple in structure, adopts the design of composite insulation layer and mica tape, has effectively promoted insulation property and the fire-resistance property of power cable, can stand for a long time the thermal-flame calcination, has ensured the use safety of power cable; Adopt the design stranded with strengthening steel core of several insulated wire cores, effectively promoted the resistance to tension of cable; Adopt the design of radial water-resisting resilient coating, after water entered oversheath, the material water-proof material water-swellable stoped moisture further to spread along cable, has good waterproof action; Inner sheath adopts the design of interlacing, and the interlacing structure has larger extending space, has effectively promoted the anti-twist ability of cable, has prolonged the useful life of cable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of waterproof tensile warp resistance fireproof power cable, include array conductor 1, every group of conductor 1 outer composite insulation layer and mica tape 5 of all being coated with successively, and formation insulated wire cores, composite insulation layer is followed successively by wrapped semiconductive nylon tape 2 from inside to outside, polyvinyl chloride insulation layer 3 and semiconductive shielding layer 4, several insulated wire cores and reinforcement steel core 6 stranded rear formation cable cores, cable core is coated with radial water-resisting resilient coating 7, radial water-resisting resilient coating 7 is coated with the inner sheath 8 that interlacing consists of, be coated with successively nonwoven fabrics twining package tape 9 and restrictive coating 10 outside the inner sheath 8, be provided with packed layer 11 between cable core and the radial water-resisting resilient coating 7.
Claims (3)
1. waterproof tensile warp resistance fireproof power cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite insulation layer and mica tape outward successively, and formation insulated wire cores, described composite insulation layer is followed successively by wrapped semiconductive nylon tape from inside to outside, polyvinyl chloride insulation layer and semiconductive shielding layer, several insulated wire cores and the stranded rear formation cable core of reinforcement steel core, described cable core is coated with the radial water-resisting resilient coating, described radial water-resisting resilient coating is coated with the inner sheath that interlacing consists of, described inner sheath is coated with nonwoven fabrics twining package tape and restrictive coating outward successively, is provided with packed layer between described cable core and the radial water-resisting resilient coating.
2. a kind of waterproof tensile warp resistance fireproof power cable according to claim 1 is characterized in that: described restrictive coating adopts flame-proof polyvinyl chloride to make.
3. a kind of waterproof tensile warp resistance fireproof power cable according to claim 1 is characterized in that: described packed layer is the intumescent inserts that blocks water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487976 CN202887861U (en) | 2012-09-20 | 2012-09-20 | Waterproof tensile warp-resistant fireproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487976 CN202887861U (en) | 2012-09-20 | 2012-09-20 | Waterproof tensile warp-resistant fireproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202887861U true CN202887861U (en) | 2013-04-17 |
Family
ID=48079260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220487976 Expired - Fee Related CN202887861U (en) | 2012-09-20 | 2012-09-20 | Waterproof tensile warp-resistant fireproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202887861U (en) |
-
2012
- 2012-09-20 CN CN 201220487976 patent/CN202887861U/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: 20130417 Termination date: 20130920 |