CN209912589U

CN209912589U - Mica wrapped glass fiber woven fire-resistant high-temperature wire cable

Info

Publication number: CN209912589U
Application number: CN201920971546.XU
Authority: CN
Inventors: 陈勇
Original assignee: Anhui Ransheng High Temperature Cable Co Ltd
Current assignee: Anhui Ransheng High Temperature Cable Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-01-07
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a mica weaves fire-resistant high temperature wire and cable around package glass fiber, including fire-retardant oversheath, the fire-retardant area of glass silk is installed to the inboard of fire-retardant oversheath, the armor is installed to the inboard of fire-retardant area of glass silk, the internally mounted of armor has the steel wire, mica is installed around the band layer in the inboard of armor, mica is provided with the rubber tube around the inside on band layer, mica is installed around the inboard on band layer and is separated the oxygen layer, separate the inboard on oxygen layer and install first glass fiber braided layer, the internally mounted of first glass fiber braided layer has the first insulation layer, the cross skeleton is installed to one side on the first insulation layer, the mica flame retardant coating is installed to the inboard on first insulation layer, second glass fiber braided layer is installed to the inboard on mica flame retardant coating. The utility model discloses a set up fire-retardant oversheath and the fire-retardant area of glass silk, the electric wire is inside to catch fire when preventing to catch fire, causes bigger harm, has increased the refractiveness of cable.

Description

Mica wrapped glass fiber woven fire-resistant high-temperature wire cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a mica weaves fire-resistant high temperature wire and cable around package glass fiber.

Background

Fire-resistant cable means a cable that can be kept in operation safely for a certain period of time in the event of a flame burn. Fire-resistant cables are widely used in places related to fire safety and fire life saving, such as high-rise buildings, underground railways, underground streets, large power stations, and important industrial and mining enterprises, for example, power supply lines and control lines of emergency facilities such as fire-fighting equipment and emergency guide lamps.

However, the existing cable has poor fire resistance and insufficient tensile property; therefore, the existing requirements are not met, and a mica lapped glass fiber braided fire-resistant high-temperature wire cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mica weaves fire-resistant high temperature wire and cable around package glass fiber to solve the current cable fire resistance that provides in the above-mentioned background art poor, the not enough scheduling problem of tensile strength.

In order to achieve the above object, the utility model provides a following technical scheme: a mica-wrapped glass fiber woven fire-resistant high-temperature wire cable comprises a fire-resistant outer sheath, wherein a glass fiber fire-resistant belt is installed on the inner side of the fire-resistant outer sheath, an armor layer is installed on the inner side of the glass fiber fire-resistant belt, a steel wire is installed inside the armor layer, mica-wrapped belting layers are installed on the inner side of the armor layer, a rubber pipe is arranged inside the mica-wrapped belting layers, an oxygen isolating layer is installed on the inner side of the mica-wrapped belting layers, a first glass fiber woven layer is installed on the inner side of the oxygen isolating layer, a first insulating layer is installed inside the first glass fiber woven layer, a cross-shaped framework is installed on one side of the first insulating layer, a mica fire-resistant layer is installed on the inner side of the first insulating layer, a second glass fiber woven layer is installed on the inner side of the mica fire-resistant layer, and a second insulating, and a fixed rubber tube is arranged on one side of the second insulating layer, and a conductor is arranged on the inner side of the second insulating layer.

Preferably, the cross-shaped framework is a high-temperature-resistant silicon rubber framework.

Preferably, the oxygen-insulating layer is a low-smoke halogen-free flame-retardant polyolefin oxygen-insulating layer.

Preferably, the second insulating layer is a cross-linked polyethylene insulating layer, and the first insulating layer is a low-smoke halogen-free flame-retardant polyethylene insulating layer.

Preferably, the conductor is formed by twisting a plurality of strands of silver-plated copper wires.

Preferably, six conductors are arranged on the outer side of the fixed rubber tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model increases the firmness of the cable by arranging the cross-shaped framework, so that the cable is more tensile and drag-resistant, and the elasticity of the cable is increased by arranging the rubber tube in the mica winding band layer, thereby improving the tensile property of the cable when in use;

2. the utility model discloses a set up fire-retardant oversheath and the fire-retardant area of glass silk, the electric wire is inside to catch fire when preventing to catch fire, causes bigger harm, has increased the refractiveness of cable, through set up the mica flame retardant coating in inside and separate the oxygen layer, further protects the conductor, has improved the refractiveness of cable when continuously catching fire.

Drawings

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

FIG. 2 is a cross-sectional view of the entire invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a flame retardant outer jacket; 2. a fiberglass flame retardant tape; 3. an armor layer; 4. mica tape layer; 5. an oxygen barrier layer; 6. a first glass fiber woven layer; 7. a first insulating layer; 8. a steel wire; 9. a rubber tube; 10. a cross-shaped framework; 11. fixing the rubber tube; 12. a mica refractory layer; 13. a second glass fiber woven layer; 14. a second insulating layer; 15. a conductor.

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 to fig. 3, the present invention provides an embodiment: a mica-wrapped glass fiber woven fire-resistant high-temperature wire cable comprises a flame-retardant outer sheath 1, a glass fiber flame-retardant belt 2 is installed on the inner side of the flame-retardant outer sheath 1, an armor layer 3 is installed on the inner side of the glass fiber flame-retardant belt 2, a steel wire 8 is installed inside the armor layer 3, a mica-wrapped belting layer 4 is installed on the inner side of the armor layer 3, a rubber pipe 9 is arranged inside the mica-wrapped belting layer 4, an oxygen-isolating layer 5 is installed on the inner side of the mica-wrapped belting layer 4, a first glass fiber woven layer 6 is installed on the inner side of the oxygen-isolating layer 5, a first insulating layer 7 is installed inside the first glass fiber woven layer 6, a cross-shaped framework 10 is installed on one side of the first insulating layer 7, a mica fire-resistant layer 12 is installed on the inner side of the first insulating layer 7, a second glass fiber woven layer 13 is installed on the inner side of, the fixed rubber tube 11 is attached to one side of the second insulating layer 14, and the conductor 15 is attached to the inside of the second insulating layer 14.

Furthermore, the cross-shaped framework 10 is a high-temperature-resistant silicon rubber framework, so that the firmness of the cable is improved.

Further, the oxygen insulation layer 5 is a low-smoke halogen-free flame-retardant polyolefin oxygen insulation layer, so that the fire resistance of the cable is improved.

Further, the second insulating layer 14 is a cross-linked polyethylene insulating layer, and the first insulating layer 7 is a low-smoke halogen-free flame-retardant polyethylene insulating layer, so that the heat resistance of the insulating layer is increased.

Furthermore, the conductor 15 is formed by twisting multiple strands of silver-plated copper wires, so that the service life of the conductor is prolonged.

Further, the outside of fixed rubber tube 11 is provided with six conductors 15, through setting up fixed rubber tube 11, has increased the fastness of cable.

The working principle is as follows: during the use, conductor 15 passes through the first insulating layer 7 in the outside, increase the insulating effect to conductor 15, through set up mica flame retardant coating 12 in the first insulating layer 7 outside, the fire resistance of cable has been increased, be provided with first glass fiber braided layer 6 in the mica flame retardant coating 12 outside, the inside of first glass fiber braided layer 6 is through setting up cross skeleton 10, the fastness of cable has been increased, make the cable more resistant drawing resistant drag-resistant, set up at the outside of first glass fiber braided layer 6 and separate oxygen layer 5, increase the fire-resistant effect of cable, it winds band layer 4 to set gradually mica in the oxygen layer 5 outside, armor 3, glass silk fire-retardant band 2, fire-retardant oversheath 1, make the cable have good tensile resistance, fire resistance.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mica weaves fire-resistant high temperature wire and cable around package glass fiber, includes fire-retardant oversheath (1), its characterized in that: the fireproof glass fiber cable is characterized in that a glass fiber fireproof belt (2) is installed on the inner side of the fireproof glass fiber outer sheath (1), an armor layer (3) is installed on the inner side of the glass fiber fireproof belt (2), a steel wire (8) is installed inside the armor layer (3), mica is installed on the inner side of the armor layer (3) and winds a wrapping belt layer (4), a rubber pipe (9) is arranged inside the mica winding wrapping belt layer (4), an oxygen isolating layer (5) is installed on the inner side of the mica winding wrapping belt layer (4), a first glass fiber woven layer (6) is installed on the inner side of the oxygen isolating layer (5), a first insulating layer (7) is installed inside the first glass fiber woven layer (6), a cross-shaped framework (10) is installed on one side of the first insulating layer (7), a mica fireproof layer (12) is installed on the inner side of the first insulating layer (7), a second glass fiber woven layer (13) is installed on the inner side of the mica fireproof, the glass fiber reinforced plastic composite material is characterized in that a second insulating layer (14) is arranged inside the second glass fiber braided layer (13), a fixed rubber tube (11) is installed on one side of the second insulating layer (14), and a conductor (15) is installed on the inner side of the second insulating layer (14).

2. The mica lapped glass fiber braided fire-resistant high-temperature electric wire and cable according to claim 1, characterized in that: the cross-shaped framework (10) is a high-temperature-resistant silicon rubber framework.

3. The mica lapped glass fiber braided fire-resistant high-temperature electric wire and cable according to claim 1, characterized in that: the oxygen-isolating layer (5) is a low-smoke halogen-free flame-retardant polyolefin oxygen-isolating layer.

4. The mica lapped glass fiber braided fire-resistant high-temperature electric wire and cable according to claim 1, characterized in that: the second insulating layer (14) is a cross-linked polyethylene insulating layer, and the first insulating layer (7) is a low-smoke halogen-free flame-retardant polyethylene insulating layer.

5. The mica lapped glass fiber braided fire-resistant high-temperature electric wire and cable according to claim 1, characterized in that: the conductor (15) is formed by twisting multiple strands of silver-plated copper wires.

6. The mica lapped glass fiber braided fire-resistant high-temperature electric wire and cable according to claim 1, characterized in that: six conductors (15) are arranged on the outer side of the fixed rubber tube (11).