CN202887833U - Fireproof, flame-retardant, tension-resistant and flexible cable - Google Patents

Fireproof, flame-retardant, tension-resistant and flexible cable Download PDF

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Publication number
CN202887833U
CN202887833U CN 201220535305 CN201220535305U CN202887833U CN 202887833 U CN202887833 U CN 202887833U CN 201220535305 CN201220535305 CN 201220535305 CN 201220535305 U CN201220535305 U CN 201220535305U CN 202887833 U CN202887833 U CN 202887833U
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CN
China
Prior art keywords
layer
cable
fire
core
glass fiber
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
Application number
CN 201220535305
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Chinese (zh)
Inventor
赵家玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TONGLING CITY TONGDU SPECIAL CABLE CO Ltd
Original Assignee
TONGLING CITY TONGDU SPECIAL CABLE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TONGLING CITY TONGDU SPECIAL CABLE CO Ltd filed Critical TONGLING CITY TONGDU SPECIAL CABLE CO Ltd
Priority to CN 201220535305 priority Critical patent/CN202887833U/en
Application granted granted Critical
Publication of CN202887833U publication Critical patent/CN202887833U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a fireproof, flame-retardant, tension-resistant and flexible cable. The cable comprises a plurality of conductors. A composite fireproof layer and an insulating layer are successively wrapped outside each conductor, thus together forming an insulating core. A mica tape, a fireproof inorganic short fiber viscose glue layer and a winding layer are successively arranged outside the composite fireproof layer from inside to outside. A slip resistance layer is wrapped outside each insulating core. The plurality of insulating cores are intertwisted with reinforced steel cores to form a cable core. A glass fiber tape is wrapped outside the cable core. A sheath layer is wrapped outside the glass fiber tape. A filling layer is disposed between the cable core and the glass fiber tape. The cable of the utility model has a simple structure, exhibits good properties of tension resistance, fire resistance and flame retardation, has the insulating cores that are well resistant to slip, is convenient to bend, and is not liable to deform. Moreover, the service life of the cable is prolonged and safety for usage of the cable is guaranteed.

Description

A kind of fire resistant flame retardant tension flexible cable
Technical field
The utility model relates to the electric wire field, is specially a kind of fire resistant flame retardant tension flexible 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.The employing that traditional cable is more the poor structure of thermal insulation flame resistant not.Therefore; when breaking out of fire; 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 subject to the calcination of flame; cause cable can not work because of short circuit, and the common cable resistance to tension is not enough, is difficult for bending; Tensile and bending impact deform easily, cause shorten the useful life of cable.
The utility model content
The purpose of this utility model provides a kind of fire resistant flame retardant tension flexible cable, not enough to solve cable resistance to tension traditional in the prior art, be difficult for bending, fire resistance is not good, easy Tensile during use, bending impact and flame calcination and the problem that causes cable to shorten and be short-circuited useful life.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of fire resistant flame retardant tension flexible cable, 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 mica tape, fire-resistant inorganic short fiber adhesive-layer and lapping layer from inside to outside, every eradication edge core is coated with glide lamella, several insulated wire cores and the stranded rear formation cable core of reinforcement steel core, described cable core is coated with glass fiber tape, described glass fiber tape is coated with restrictive coating, is provided with packed layer between described cable core and the glass fiber tape.
Described a kind of fire resistant flame retardant tension flexible cable is characterized in that: described fire-resistant inorganic short fiber adhesive-layer adopts polycrystal alumina or polycrystalline mullite short fiber to make.
Described a kind of fire resistant flame retardant tension flexible cable is characterized in that: described glide lamella is the macromolecule material film layer of low-friction coefficient.
Described a kind of fire resistant flame retardant tension flexible cable is characterized in that: described restrictive coating 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 composite fire layer and glass fiber tape, for cable provides double-deck refractory protection, has effectively promoted the fire resistance of cable, has guaranteed the use safety of cable when being subjected to high temperature sintering; Adopt the design stranded with strengthening steel core of several insulated wire cores, effectively promoted the resistance to tension of cable; Employing, conveniently bends so that have good slipping property between each insulated wire cores in the design of insulated wire cores outer cladding glide lamella, and not yielding, 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 fire resistant flame retardant tension flexible cable, 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 mica tape 2, fire-resistant inorganic short fiber adhesive-layer 3 and lapping layer 4 from inside to outside, every eradication edge core is coated with glide lamella 6, several insulated wire cores and reinforcement steel core 7 stranded rear formation cable cores, cable core is coated with glass fiber tape 8, glass fiber tape outer 8 is coated with restrictive coating 9, is provided with packed layer 10 between cable core and the glass fiber tape 8.
Fire-resistant inorganic short fiber adhesive-layer 3 adopts polycrystal alumina or polycrystalline mullite short fiber to make, and glide lamella 6 is the macromolecule material film layer of low-friction coefficient, and restrictive coating 9 adopts acrylonitrile-butadiene rubber to make.

Claims (4)

1. fire resistant flame retardant tension flexible cable, 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 mica tape, fire-resistant inorganic short fiber adhesive-layer and lapping layer from inside to outside, every eradication edge core is coated with glide lamella, several insulated wire cores and the stranded rear formation cable core of reinforcement steel core, described cable core is coated with glass fiber tape, described glass fiber tape is coated with restrictive coating, is provided with packed layer between described cable core and the glass fiber tape.
2. a kind of fire resistant flame retardant tension flexible cable 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. a kind of fire resistant flame retardant tension flexible cable according to claim 1, it is characterized in that: described glide lamella is the macromolecule material film layer of low-friction coefficient.
4. a kind of fire resistant flame retardant tension flexible cable according to claim 1 is characterized in that: described restrictive coating adopts acrylonitrile-butadiene rubber to make.
CN 201220535305 2012-10-18 2012-10-18 Fireproof, flame-retardant, tension-resistant and flexible cable Expired - Fee Related CN202887833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220535305 CN202887833U (en) 2012-10-18 2012-10-18 Fireproof, flame-retardant, tension-resistant and flexible cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220535305 CN202887833U (en) 2012-10-18 2012-10-18 Fireproof, flame-retardant, tension-resistant and flexible cable

Publications (1)

Publication Number Publication Date
CN202887833U true CN202887833U (en) 2013-04-17

Family

ID=48079232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220535305 Expired - Fee Related CN202887833U (en) 2012-10-18 2012-10-18 Fireproof, flame-retardant, tension-resistant and flexible cable

Country Status (1)

Country Link
CN (1) CN202887833U (en)

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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: 20131018