CN210429332U

CN210429332U - Rigid steel pipe fireproof cable

Info

Publication number: CN210429332U
Application number: CN201921386500.8U
Authority: CN
Inventors: 王法波
Original assignee: Tianjin Huaxia Cable Co Ltd
Current assignee: Tianjin Huaxia Cable Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-28
Anticipated expiration: 2029-08-26

Abstract

The utility model provides a rigid steel pipe fireproof cable, it relates to cable technical field, concretely relates to rigid steel pipe fireproof cable. It contains cable core, insulating layer, glass fiber layer, first shaping layer, fire-retardant layer, second shaping layer, separates fire bed, tensile layer, waterproof layer, protective layer, the outside of cable core be provided with the insulating layer, the outside of insulating layer is provided with the glass fiber layer, the outside on glass fiber layer is provided with first shaping layer, the outside of first shaping layer is provided with fire-retardant layer, the outside on fire-retardant layer is provided with the second shaping layer. After the technical scheme is adopted, the utility model discloses beneficial effect does: it is provided with two-layer shaping layer for the steadiness of cable is stronger, non-deformable, and rigid degree is high, is provided with the tensile layer, and cable non-deformable is provided with the waterproof layer, has water-proof effects, is provided with fire-retardant layer, has fire-retardant effect.

Description

Rigid steel pipe fireproof cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to rigid steel pipe fireproof cable.

Background

According to an environmental protection and energy saving fireproof cable that chinese patent No. CN201520410815.7 recorded, including conductor and joint fixing device, the conductor adopt a plurality of copper wires or aluminium silk or aluminium alloy silk transposition to form, the conductor outside by inside outside wrap up fire prevention waterproof insulation layer, fire prevention filling layer in proper order, separate temperature waterproof shielding layer, back-fire relief layer and ring protection jacket layer, separate temperature waterproof shielding layer adopt ceramic fibre paper back bonding glass fiber cloth back bonding aluminium foil again and constitute, joint fixing device include nut, adapter sleeve, toper seal sleeve and fixed cover, connect fixedly through fixed cover between two adapter sleeve, two adapter sleeve's opposite side cover has toper seal sleeve and nut respectively. And a compression-resistant tensile layer can be additionally arranged between the fire retardant layer and the ring protective sleeve layer, and the compression-resistant tensile layer is made of steel strips or galvanized steel wires. The ceramic fiber paper is replaced by a ceramic fiber blanket or ceramic fiber cloth or a ceramic fiber belt, and the effects of explosion prevention, demagnetization shielding, temperature insulation, fire prevention, water prevention and insulation are achieved. The fireproof and waterproof insulating layer is formed by winding five or more layers of silicon rubber ceramic or silicon rubber glass fiber tape materials. The filler of the fireproof filling layer is a ceramic fiber rope or a high-flame-retardant environment-friendly material. The fire retardant layer is a silicon rubber ceramic belt or a ceramic fiber belt. The curvature of the radius of the cable is large; the cable can be formed into a cable from two cores to five cores, the multiple cores are integrated, the cable is small in outer diameter and light in weight, the installation, the laying and the bending are easy, and a large amount of manpower and material resources and installation space are saved; but it is not strong enough in hardness, not strong enough in stability and easy to deform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a rigid steel pipe fireproof cable, it is provided with two-layer shaping layer for the steadiness of cable is stronger, non-deformable, and rigid degree is high, is provided with the tensile layer, and cable non-deformable is provided with the waterproof layer, has water-proof effects, is provided with fire-retardant layer, has fire-retardant effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains cable core 1, insulating layer 2, glass fiber layer 3, first shaping layer 4, fire-retardant layer 5, second shaping layer 6, separates fire layer 7, tensile layer 8, waterproof layer 9, protective layer 10, the outside of cable core 1 be provided with insulating layer 2, the outside of insulating layer 2 is provided with glass fiber layer 3, the outside on glass fiber layer 3 is provided with first shaping layer 4, the outside of first shaping layer 4 is provided with fire-retardant layer 5, the outside on fire-retardant layer 5 is provided with second shaping layer 6, the outside of second shaping layer 6 is provided with separates fire layer 7, the outside that separates fire layer 7 is provided with tensile layer 8, the outside of tensile layer 8 is provided with waterproof layer 9, the outside of waterproof layer 9 is provided with protective layer 10.

The first shaping layer 4 is provided with reinforcing ribs 41 inside.

A steel pipe 61 is arranged in the second shaping layer 6.

The tensile layer 8 is internally provided with steel wires 81.

The outer surface of the waterproof layer 9 is coated with insect-proof agent.

The outer surface of the protective layer 10 is coated with an anticorrosive paint.

The utility model discloses a theory of operation: adopt solitary cable core as the conductor, insulating layer 2 can ensure the electric current or the electromagnetic wave of transmission, the light wave only goes along the wire and then does not flow to the outside, the electric potential that has on the conductor (the potential difference that forms to object around promptly, voltage promptly) can be isolated, glass fiber layer 3 adopts glass fiber to make, insulating nature is good, the heat resistance is strong, corrosion resistance is good, mechanical strength is high, be favorable to the pull resistance of cable, first shaping layer 4, the inside structure of second shaping layer 6 has carried out the reinforcing effect to the cable, make the structure of cable more stable, can bear external extrusion force etc., fire-retardant layer 5 has resistant fire resistance, the fire resistance of cable has been strengthened, waterproof layer 9 has water-proof effects, can prevent that outside water from getting into in the cable, avoid water to cause the damage to the cable.

After the technical scheme is adopted, the utility model discloses beneficial effect does: it is provided with two-layer shaping layer for the steadiness of cable is stronger, non-deformable, and rigid degree is high, is provided with the tensile layer, and cable non-deformable is provided with the waterproof layer, has water-proof effects, is provided with fire-retardant layer, has fire-retardant effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Description of reference numerals: the cable comprises a cable core 1, an insulating layer 2, a glass fiber layer 3, a first shaping layer 4, a reinforcing rib 41, a flame-retardant layer 5, a second shaping layer 6, a steel pipe 61, a fire-insulating layer 7, a tensile layer 8, a steel wire 81, a waterproof layer 9 and a protective layer 10.

Detailed Description

Example 1

Referring to fig. 1-2, the technical solution adopted by the present embodiment is that it includes a cable core 1, an insulating layer 2, a glass fiber layer 3, a first shaping layer 4, a reinforcing rib 41, a flame retardant layer 5, a second shaping layer 6, a steel pipe 61, a fire barrier layer 7, a tensile layer 8, a steel wire 81, a waterproof layer 9, and a protective layer 10, where the insulating layer 2 wraps the outside of the cable core 1, the insulating layer 2 plays an insulating role to ensure that transmitted current, electromagnetic waves, and light waves only travel along a conductor and do not flow to the outside, and the potential on the conductor (i.e. the potential difference, i.e. the voltage, formed to the surrounding objects) can be isolated, i.e. to ensure the normal transmission function of the conductor and the safety of the external objects and human bodies, the insulating layer 2 is made of a rubber material, the glass fiber layer 3 is disposed on the outside of the insulating layer 2, and the glass fiber is an, the fireproof heat-resistant glass fiber composite material has the advantages of being good in insulation property, strong in heat resistance, good in corrosion resistance and high in mechanical strength, a first fixing layer 4 is arranged on the outer side of a glass fiber layer 3, reinforcing ribs 41 are arranged inside the first fixing layer 4, the reinforcing ribs 41 are circular reinforcing ribs, a flame-retardant layer 5 is arranged on the outer side of the first fixing layer 4, the flame-retardant layer 5 is made of flame-retardant materials, a second fixing layer 6 is arranged on the outer side of the flame-retardant layer 5, a steel pipe 61 is arranged inside the second fixing layer 6, the steel pipe 61 is a triangular steel pipe, a fire-insulating layer 7 is arranged on the outer side of the second fixing layer 6, the fire-insulating layer 7 is made of fire-insulating materials, a tensile layer 8 is arranged on the outer side of the fire-insulating layer 7, a steel wire 81 is arranged inside the tensile layer 8, a waterproof layer 9 is arranged on the outer side, the outer side of the waterproof layer 9 is provided with a protective layer 10, and the outer surface of the protective layer 10 is coated with an anticorrosive coating, so that the waterproof layer has an anticorrosive effect.

Example 2

Referring to fig. 3, the technical solution adopted by the present embodiment is that it includes a cable core 1, an insulating layer 2, a glass fiber layer 3, a first shaping layer 4, a reinforcing rib 41, a flame retardant layer 5, a second shaping layer 6, a steel pipe 61, a fire barrier layer 7, a tensile layer 8, a steel wire 81, a waterproof layer 9, and a protective layer 10, the insulating layer 2 is wrapped on the outer side of the cable core 1, the insulating layer 2 plays an insulating role to ensure that transmitted current or electromagnetic waves, light waves only travel along a conductor and do not flow to the outside, the potential on the conductor (i.e. the potential difference, i.e. the voltage, formed to the surrounding objects) can be isolated, i.e. to ensure the normal transmission function of the conductor and the safety of the external objects and human bodies, the insulating layer 2 is made of a rubber material, the glass fiber layer 3 is disposed on the outer side of the insulating layer 2, and the glass fiber, the fireproof heat-resistant glass fiber composite material has the advantages of being good in insulation property, strong in heat resistance, good in corrosion resistance and high in mechanical strength, a first fixing layer 4 is arranged on the outer side of a glass fiber layer 3, reinforcing ribs 41 are arranged inside the first fixing layer 4, the reinforcing ribs 41 are bent reinforcing ribs, a flame-retardant layer 5 is arranged on the outer side of the first fixing layer 4, the flame-retardant layer 5 is made of flame-retardant materials, a second fixing layer 6 is arranged on the outer side of the flame-retardant layer 5, a steel pipe 61 is arranged inside the second fixing layer 6, the steel pipe 61 is a triangular steel pipe, a fire-insulating layer 7 is arranged on the outer side of the second fixing layer 6, the fire-insulating layer 7 is made of fire-insulating materials, a tensile layer 8 is arranged on the outer side of the fire-insulating layer 7, steel wires 81 are arranged inside the tensile layer 8, a waterproof layer 9 is arranged on the outer side of the, the outer side of the waterproof layer 9 is provided with a protective layer 10, and the outer surface of the protective layer 10 is coated with an anticorrosive coating, so that the waterproof layer has an anticorrosive effect.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a hard steel pipe fireproof cable which characterized in that: it comprises a cable core (1), an insulating layer (2), a glass fiber layer (3), a first shaping layer (4), a flame retardant layer (5), a second shaping layer (6), a fire barrier layer (7), a tensile layer (8), a waterproof layer (9) and a protective layer (10), the cable core (1) outside be provided with insulating layer (2), the outside of insulating layer (2) is provided with glass fiber layer (3), the outside of glass fiber layer (3) is provided with first shaping layer (4), the outside of first shaping layer (4) is provided with fire-retardant layer (5), the outside of fire-retardant layer (5) is provided with second shaping layer (6), the outside of second shaping layer (6) is provided with fire barrier layer (7), the outside of fire barrier layer (7) is provided with tensile layer (8), the outside of tensile layer (8) is provided with waterproof layer (9), the outside of waterproof layer (9) is provided with protective layer (10).

2. A fire-resistant cable made of rigid steel pipes according to claim 1, wherein: and reinforcing ribs (41) are arranged in the first shaping layer (4).

3. A fire-resistant cable made of rigid steel pipes according to claim 1, wherein: and a steel pipe (61) is arranged in the second shaping layer (6).

4. A fire-resistant cable made of rigid steel pipes according to claim 1, wherein: and a steel wire (81) is arranged in the tensile layer (8).

5. A fire-resistant cable made of rigid steel pipes according to claim 1, wherein: the outer surface of the waterproof layer (9) is coated with an insect-proof agent.

6. A fire-resistant cable made of rigid steel pipes according to claim 1, wherein: and an anticorrosive paint is coated on the outer surface of the protective layer (10).