CN210837238U

CN210837238U - Environment-friendly fireproof mineral cable

Info

Publication number: CN210837238U
Application number: CN201922068991.8U
Authority: CN
Inventors: 冯东安; 刘道远
Original assignee: Nanchang Xinhua Cable Co ltd
Current assignee: Nanchang Xinhua Cable Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-06-23
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses an environmental protection fire prevention mineral cable, including inner core strip, stabilizing mean, wire and flame retardant coating, stabilizing mean's quantity is five and the equidistance encircles the surface that sets up at the inner core strip, stabilizing mean keeps away from one side and flame retardant coating inner wall fixed connection of inner core strip, the quantity of wire is five and establishes respectively between two adjacent stabilizing mean, flame retardant coating from interior to exterior has wrapped up shielding layer, waterproof layer and outer insulation layer in proper order, the flame retardant coating inboard is equipped with the filler, stabilizing mean includes first connecting strip, one side that inner core strip was kept away from to first connecting strip is through stabilizing a fixedly connected with second connecting strip. This environmental protection fire prevention mineral cable through the wear-resisting antitorque ability that improves the cable, can effectively reduce the cable because of losing the probability that the protective layer easily produced the conflagration, has also reduced the replacement cost simultaneously, reduces the potential safety hazard, guarantees the normal transmission of electric power, and then satisfies diversified user demand.

Description

Environment-friendly fireproof mineral cable

Technical Field

The utility model relates to the technical field of cables, specifically be an environmental protection fire prevention mineral cable.

Background

The cable is usually a cable like rope formed by twisting at least two twisted wires in each group, each group of wires are insulated from each other and usually twisted around a center, the whole cable is wrapped with a highly insulated covering layer, and a plurality of insulated wires are erected in the air or installed underground or underwater for telecommunication or power transmission, and the insulated wires are formed by arranging one or more mutually insulated conductive wire cores in a sealed sheath, and the outer part of the insulated wires can be added with a protective covering layer for transmitting, distributing electric energy or transmitting electric signals.

After the cable in the prior art is used for a long time, the surface of the cable is prone to being abraded or the inner cable is prone to being twisted and broken, the cable losing the protective layer is prone to generating fire, a large amount of toxic gas is generated to affect the environment, replacement cost is increased, potential safety hazards are improved, normal transmission of electric power is affected, and the using requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental protection fire prevention mineral cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly fireproof mineral cable comprises inner core strips, stabilizing mechanisms, wires and a fireproof layer, wherein five stabilizing mechanisms are arranged on the surfaces of the inner core strips in an encircling mode at equal intervals, one side, far away from the inner core strips, of each stabilizing mechanism is fixedly connected with the inner wall of the fireproof layer, five wires are arranged between every two adjacent stabilizing mechanisms respectively, the fireproof layer is wrapped with a shielding layer, a waterproof layer and an outer insulating layer from inside to outside in sequence, and fillers are arranged on the inner side of the fireproof layer;

the stabilizing mechanism comprises a first connecting strip, and one side, far away from the inner core strip, of the first connecting strip is fixedly connected with a second connecting strip through the stabilizing strip.

Preferably, one side of the first connecting strip, which is close to the inner core strip, is fixedly connected with the inner core strip, the side face of the stabilizing strip is in mutual contact with the surface of the wire, and one side of the second connecting strip, which is far away from the stabilizing strip, is fixedly connected with the inner wall of the fireproof layer.

Preferably, the lead comprises a wire core and an inner insulating layer, the inner insulating layer wraps the surface of the wire core, the wire core is formed by twisting 18 wire bundles, and each wire bundle is formed by twisting 102 copper wires with the diameter of 0.2 mm.

Preferably, the inner core strip is a rubber strip, and the filler is asbestos.

Preferably, the surface of the inner insulating layer is provided with a rubber sheet, and the outer side of the rubber sheet is in contact with the inner wall of the fireproof layer.

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

the utility model discloses a with five wires joint respectively between two adjacent firm mechanisms, can effectually fix the wire, improve the antitorque ability of cable, also protect the wire surface simultaneously, the setting of sheet rubber can prevent effectively that the wire that the long-term friction of inner insulation layer surface and flame retardant coating inner wall caused from wearing out, the design of flame retardant coating and waterproof layer has improved the fire prevention waterproof performance of cable, this environmental protection fire prevention mineral cable, through the wear-resisting antitorque ability that improves the cable, can effectively reduce the cable because of losing the probability that the protective layer easily produced the conflagration, the while has also reduced the replacement cost, reduce the potential safety hazard, guarantee the normal transmission of electric power, and then satisfy diversified user demand.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

fig. 2 is a schematic structural view of a front view of the stabilizing mechanism of the present invention.

In the figure: the cable comprises an inner core strip 1, a stabilizing mechanism 2, a first connecting strip 21, a stabilizing strip 22, a second connecting strip 23, a wire 3, a wire core 31, an inner insulating layer 32, a fireproof layer 4, a shielding layer 5, a waterproof layer 6, an outer insulating layer 7, filler 8 and a rubber sheet 9.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an environment-friendly fireproof mineral cable comprises an inner core bar 1, five stabilizing mechanisms 2, a conducting wire 3 and a fireproof layer 4, wherein the inner core bar 1 is specifically made of rubber strips, the five stabilizing mechanisms 2 are arranged on the surface of the inner core bar 1 in an encircling manner at equal intervals, one side of each stabilizing mechanism 2, which is far away from the inner core bar 1, is fixedly connected with the inner wall of the fireproof layer 4, the five conducting wires 3 are respectively arranged between two adjacent stabilizing mechanisms 2, each conducting wire 3 comprises a wire core 31 and an inner insulating layer 32, the inner insulating layer 32 wraps the surface of the wire core 31, the surface of the inner insulating layer 32 is provided with a rubber sheet 9, the outer side of the rubber sheet 9 is in contact with the inner wall of the fireproof layer 4, each wire core 31 is formed by twisting 18 wire bundles, each wire bundle is formed by twisting 102 copper wires with the diameter of 0.2mm, the fireproof layer 4 is sequentially wrapped by a shielding layer, the inner side of the fireproof layer 4 is provided with a filler 8, the filler 8 is specifically made of asbestos, and the asbestos has good fire resistance, so that the fireproof performance of the cable can be greatly improved.

The stabilizing mechanism 2 comprises a first connecting strip 21, one side of the first connecting strip 21 close to the inner core strip 1 is fixedly connected with the inner core strip 1, one side of the first connecting strip 21 far from the inner core strip 1 is fixedly connected with a second connecting strip 23 through the stabilizing strip 22, the side surface of the stabilizing strip 22 is contacted with the surface of the lead 3, one side of the second connecting strip 23 far from the stabilizing strip 22 is fixedly connected with the inner wall of the fireproof layer 4, the utility model can effectively fix the lead 3 by respectively clamping the five leads 3 between two adjacent stabilizing mechanisms 2, improve the anti-distortion capability of the cable, and simultaneously protect the surface of the lead 3, the arrangement of the rubber sheet 9 can effectively prevent the lead 3 from being worn out caused by long-term friction between the surface of the inner insulating layer 32 and the inner wall of the fireproof layer 4, and the design of the fireproof layer 4 and the waterproof layer 6 improves the fireproof performance of the cable, thus the environment-friendly fireproof mineral cable, through the wear-resisting antitorque bent ability that improves the cable, can effectively reduce the cable because of losing the probability that the protective layer easily produced the conflagration, also reduced the replacement cost simultaneously, reduce the potential safety hazard, guarantee the normal transmission of electric power, and then satisfy diversified user demand.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environmental protection fire prevention mineral cable, includes interior battens (1), stabilizing mean (2), wire (3) and flame retardant coating (4), its characterized in that: the number of the stabilizing mechanisms (2) is five, the stabilizing mechanisms are arranged on the surface of the inner core bar (1) in an encircling mode at equal intervals, one side, far away from the inner core bar (1), of each stabilizing mechanism (2) is fixedly connected with the inner wall of the fireproof layer (4), the number of the wires (3) is five, the wires are respectively arranged between every two adjacent stabilizing mechanisms (2), the fireproof layer (4) is sequentially wrapped with the shielding layer (5), the waterproof layer (6) and the outer insulating layer (7) from inside to outside, and the inner side of the fireproof layer (4) is provided with the filler (8);

the stabilizing mechanism (2) comprises a first connecting strip (21), and one side, far away from the inner core strip (1), of the first connecting strip (21) is fixedly connected with a second connecting strip (23) through a stabilizing strip (22).

2. The environment-friendly fireproof mineral cable of claim 1, wherein: one side of the first connecting strip (21) close to the inner core strip (1) is fixedly connected with the inner core strip (1), the side face of the stabilizing strip (22) is in contact with the surface of the wire (3), and one side of the second connecting strip (23) far away from the stabilizing strip (22) is fixedly connected with the inner wall of the fireproof layer (4).

3. The environment-friendly fireproof mineral cable of claim 1, wherein: the lead (3) comprises a wire core (31) and an inner insulating layer (32), wherein the inner insulating layer (32) wraps the surface of the wire core (31), the wire core (31) is formed by stranding 18 wire bundles, and each wire bundle is formed by stranding 102 copper wires with the diameter of 0.2 mm.

4. The environment-friendly fireproof mineral cable of claim 1, wherein: the inner core strip (1) is a rubber strip, and the filler (8) is asbestos.

5. An environment-friendly fire-resistant mineral cable according to claim 3, wherein: the surface of the inner insulating layer (32) is provided with a rubber sheet (9), and the outer side of the rubber sheet (9) is in contact with the inner wall of the fireproof layer (4).