CN209962751U

CN209962751U - Fireproof cable

Info

Publication number: CN209962751U
Application number: CN201920897792.5U
Authority: CN
Inventors: 寇金臣
Original assignee: SICHUAN CITY TRACK TRAFFIC MATERIAL CO Ltd
Current assignee: SICHUAN CITY TRACK TRAFFIC MATERIAL CO Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-01-17
Anticipated expiration: 2029-06-14

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to a fireproof cable, including wire rope, wire rope's outer wall is angular evenly distributed all around and is equipped with five cables, and fixed connection is equipped with the insulating layer on one side outer wall of keeping away from wire rope of five cables, and it is cotton to fill between insulating layer and the five cables and be equipped with the fire prevention, and the insulating layer is that loop configuration and fire prevention are cotton, five cables, wire rope all are inside it, and fixed connection is equipped with the tensile layer on one side that the insulating layer was kept away from the fire prevention cotton, and one side fixed connection that the insulating layer was kept away from to the tensile layer is. The utility model discloses, through setting up flame retardant coating, insulating layer, tensile layer, fire-retardant layer, anti-corrosion coating, waterproof layer, make it have higher fire prevention, dampproofing, explosion-proof, corrosion resisting property, tensile strength and fatigue strength, its security performance is very high, is fit for promoting.

Description

Fireproof cable

Technical Field

The utility model relates to a cable technical field especially relates to a fire prevention cable.

Background

With the increasing development of scientific and technological information technology, information exchange and power resource transmission in China, wherein a cable is used as a medium for power transmission and power distribution and is widely applied to aspects of control installation, connection equipment, power transmission and the like, the cable is likely to have short circuit or open circuit problems in the use process and can cause power communication interruption, so that at present when the information technology is rapidly developed, the requirements for ensuring the reliability of information transmission and power supply are higher and higher, the requirements for the performance of the cable are higher, the performance indexes of the performance of the cable are reflected in the aspects of fire resistance, moisture resistance, explosion resistance, corrosion resistance, temperature performance, expansion performance, tensile strength, elasticity, plasticity, hardness, toughness, fatigue strength and the like besides the self electric conductivity, wherein the requirements for the fire resistance of the cable are strictest, according to the statistics of relevant departments of the country, in the cause of fire, the fire caused by an electric circuit reaches more than 50 percent, the cable is used as a main body in the power line and is mainly arranged underground, so that the cable is difficult to well protect, this requires that the cable not only be resistant to external flame damage, but also not have the characteristics of generating a fire source, in the prior art, most cables wrapped by rubber materials are easy to generate heat when circuit load is too large or short circuit occurs, so that the cables are burnt, therefore, serious harm is brought to lives and properties of people, and the moisture resistance, the explosion resistance, the corrosion resistance, the temperature performance, the expansion performance, the tensile strength, the elasticity, the plasticity, the hardness, the toughness, the fatigue strength and the like of the cable wrapped by the rubber material are low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the moisture resistance, explosion-proof performance, corrosion resisting property, temperature performance, expansibility, tensile strength, elasticity, plasticity, hardness, toughness and fatigue strength etc. of the cable that has the rubber materials parcel all are comparatively low among the prior art, and the fire prevention cable that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a fireproof cable, comprising a steel wire rope, wherein five cables are uniformly distributed around the outer wall of the steel wire rope at equal angles, an insulating layer is fixedly connected and arranged on the outer wall of one side of the five cables, which is far away from the steel wire rope, a fireproof cotton is filled between the insulating layer and the five cables, the insulating layer is of an annular structure, the fireproof cotton, the five cables and the steel wire rope are all arranged in the insulating layer, a tensile layer is fixedly connected and arranged on one side of the insulating layer, which is far away from the fireproof cotton, a first flame-retardant layer is fixedly connected and arranged on one side of the tensile layer, which is far away from the insulating layer, a heat-insulating layer is fixedly connected and arranged on one side of the heat-insulating layer, which is far away from the first flame-retardant layer, an anti-folding layer is fixedly connected and arranged on one side of the heat-insulating layer, the anti-corrosion coating is characterized in that a waterproof layer is fixedly connected to one side, away from the anti-folding layer, of the anti-corrosion coating, a second flame-retardant layer is fixedly connected to one side, away from the anti-corrosion layer, of the waterproof layer, a protective layer is fixedly connected to one side, away from the waterproof layer, of the second flame-retardant layer, and a fireproof layer is fixedly connected to one side, away from the second flame-retardant layer, of the protective layer.

Preferably, the fireproof layer is made of a mineral glass magnesium fireproof material.

Preferably, the insulating layer is made of polyether-ether-ketone.

Preferably, the first flame-retardant layer and the second flame-retardant layer are both made of fire-resistant mica materials.

Preferably, the tensile layer is of a steel wire belt mesh structure.

Preferably, the anti-corrosion layer is made of polyphenylene sulfide.

Preferably, the waterproof layer is made of high-temperature-resistant polytetrafluoroethylene.

Preferably, the outer walls of the five cables are fixedly connected with high-temperature-resistant insulating rubber layers.

The utility model provides a pair of fireproof cable, beneficial effect lies in: the fireproof cable has better fireproof and flame-proof performance by arranging the fireproof layer and the mineral glass magnesium fireproof material, the temperature of flame is mostly below seven hundred degrees, the mineral glass magnesium fireproof material can resist the high temperature of one thousand six hundred degrees, the cable can not burn and melt even under open fire, the outer part and the inner part of the cable are isolated by arranging the heat insulation layer, no matter the cable generates heat in high-load work, or the outer part of the cable is in a high-temperature environment, the cable can not burn and has stronger safety performance, the cable can not cause short circuit phenomenon and has stronger tensile property and flame resistance by arranging the insulating layer, the tensile layer and the first flame-proof layer, and the fireproof performance, the damp-proof performance, the explosion-proof performance, the corrosion resistance, the temperature performance and the expansion performance are realized by arranging the anti-corrosion layer, the waterproof layer, the second flame-proof layer and the protective layer, The tensile strength, elasticity, plasticity, hardness, toughness, fatigue strength and the like are high, the safety performance is extremely high, and the method is suitable for popularization.

Drawings

Fig. 1 is a schematic view of a front axial measurement structure of a fireproof cable according to the present invention;

fig. 2 is a schematic side axial view of a fireproof cable according to the present invention;

fig. 3 is the utility model provides a structural schematic diagram is dissected in front of fire prevention cable.

In the figure: the cable comprises a steel wire rope 1, a cable 2, fireproof cotton 3, an insulating layer 4, a tensile layer 5, a first flame-retardant layer 6, a heat-insulating layer 7, a folding-resistant layer 8, an anti-corrosion layer 9, a waterproof layer 10, a second flame-retardant layer 11, a protective layer 12 and a fireproof layer 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a fireproof cable comprises a steel wire rope 1, five cables 2 are uniformly distributed on the periphery of the outer wall of the steel wire rope 1 at equal angles, five high-temperature-resistant insulating rubber layers are fixedly connected to the outer wall of each cable 2, an insulating layer 4 is fixedly connected to the outer wall of one side, away from the steel wire rope 1, of each cable 2, the insulating layer 4 is made of polyether ether ketone, fireproof cotton 3 is filled between each insulating layer 4 and each cable 2, each insulating layer 4 is of an annular structure and is provided with the fireproof cotton 3, each cable 2 and the steel wire rope 1 are arranged inside the corresponding cable, a tensile layer 5 is fixedly connected to one side, away from the fireproof cotton 3, of each insulating layer 4, the tensile layer 5 is of a steel wire mesh structure, a first flame-retardant layer 6 is fixedly connected to one side, away from the insulating layer 4, and a heat insulation layer 7 is fixedly connected to.

One side fixed connection that first fire-retardant layer 6 was kept away from to insulating layer 7 is equipped with anti-folding layer 8, one side fixed connection that insulating layer 7 was kept away from to anti-folding layer 8 is equipped with anti-corrosion coating 9, anti-corrosion coating 9 is the polyphenylene sulfide material, one side fixed connection that anti-folding layer 8 was kept away from to anti-corrosion coating 9 is equipped with waterproof layer 10, waterproof layer 10 is high temperature resistant polytetrafluoroethylene material, one side fixed connection that anti-corrosion coating 9 was kept away from to waterproof layer 10 is equipped with the fire-retardant layer 11 of second, first fire-retardant layer 6, the fire-retardant layer 11 of second is fire-resistant mica material, one side fixed connection that waterproof layer 10 was kept away from to second fire-retardant layer 11 is equipped with protective layer 12, one side fixed connection that second fire-retardant layer 11 was kept away from to.

The utility model discloses, during the use, through setting up flame retardant coating 13 and for mineral glass magnesium fire prevention material, make it have better fire prevention fire behavior, the temperature of flame is mostly below seven hundred degrees, and mineral glass magnesium fire prevention material can be able to bear the high temperature of one thousand six hundred degrees, even this cable can not send the burning to melt under naked light, through setting up insulating layer 7, with the outside and the inside isolated division of cable, no matter the cable takes place the phenomenon of generating heat in high load work, or the cable is outside under high temperature environment, this cable can not take place the burning, have stronger security performance, through setting up insulating layer 4, tensile layer 5, first flame retardant coating 6, make it can not cause the short circuit phenomenon and have stronger pull resistance and fire resistance, through setting up anti-corrosion coating 9, waterproof layer 10, second flame retardant coating 11, protective layer 12, make its fire behavior, humidity resistance, explosion-proof property, The corrosion resistance, the temperature performance, the expansion performance, the tensile strength, the elasticity, the plasticity, the hardness, the toughness, the fatigue strength and the like are all higher, the safety performance is extremely high, and the method is suitable for popularization.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fireproof cable comprises a steel wire rope (1), and is characterized in that five cables (2) are uniformly distributed on the periphery of the outer wall of the steel wire rope (1) at equal angles, an insulating layer (4) is fixedly connected to the outer wall of one side, far away from the steel wire rope (1), of the five cables (2), fireproof cotton (3) is filled between the insulating layer (4) and the five cables (2), the insulating layer (4) is of an annular structure, the fireproof cotton (3), the five cables (2) and the steel wire rope (1) are arranged in the insulating layer, a tensile layer (5) is fixedly connected to one side, far away from the fireproof cotton (3), of the insulating layer (4), a first flame-retardant layer (6) is fixedly connected to one side, far away from the insulating layer (4), of the first flame-retardant layer (6), and a heat-insulating layer (7) is fixedly connected to one side, far away from the tensile layer (5), keep away from insulating layer (7) one side fixed connection of first fire-retardant layer (6) is equipped with anti folded layer (8), keep away from anti folded layer (8) one side fixed connection of insulating layer (7) is equipped with anti-corrosion coating (9), keep away from anti-corrosion coating (9) one side fixed connection of anti folded layer (8) is equipped with waterproof layer (10), waterproof layer (10) are kept away from one side fixed connection of anti-corrosion coating (9) is equipped with second fire-retardant layer (11), keep away from second fire-retardant layer (11) one side fixed connection of waterproof layer (10) is equipped with protective layer (12), protective layer (12) are kept away from one side fixed connection of second fire-retardant layer (11) is equipped with flame retardant coating (13).

2. A fire protection cable according to claim 1, characterized in that the fire protection layer (13) is of mineral glass-magnesium fire protection material.

3. A fire protection cable according to claim 1, characterized in that said insulating layer (4) is of polyetheretherketone material.

4. A fire-resistant cable according to claim 1, characterized in that said first (6) and second (11) fire-resistant layers are of fire-resistant mica material.

5. A fire protection cable according to claim 1, characterized in that said tensile layer (5) is a steel wire mesh structure.

6. A fire protection cable according to claim 1, characterized in that said corrosion protection layer (9) is of polyphenylene sulfide.

7. A fire protection cable according to claim 1, characterized in that said water-proof layer (10) is of high temperature resistant teflon.

8. A fireproof cable according to claim 1, wherein the outer walls of five cables (2) are fixedly connected with a high temperature resistant insulating rubber layer.