CN214624520U - Low-smoke halogen-free flame-retardant interlocking armored aluminum alloy cable - Google Patents

Abstract

The utility model discloses a low smoke and zero halogen fire-retardant type interlocking armor aluminum alloy cable, including interlocking armor oversheath, filling layer and sandwich layer, the inside fixed mounting filling layer of interlocking armor oversheath, the outside fixed cover of sandwich layer is equipped with low smoke and zero halogen inner liner, the outside movable cover of low smoke and zero halogen inner liner is equipped with heat shrinkage bush, and be equipped with the cushion chamber between heat shrinkage bush and the low smoke and zero halogen inner liner, fixed mounting has the rubber filling block in the cushion chamber, the one end fixed connection heat shrinkage bush of rubber filling block, the other end fixed connection low smoke and zero halogen inner liner of rubber filling block, the inside fixed mounting of sandwich layer has insulating sheath, the lower extreme of sheath a is equipped with indent a, the lower extreme of sheath b is equipped with indent b; this fire-retardant type interlocking armor aluminum alloy cable of low smoke and zero halogen, simple structure improves inside protection degree, avoids long-time burning to lead to the electric leakage phenomenon to take place, strengthens the use intensity of cable self.

Description

Low-smoke halogen-free flame-retardant interlocking armored aluminum alloy cable

Technical Field

The utility model relates to the technical field of cables, specifically be low smoke and zero halogen fire-retardant type interlocking armor aluminum alloy cable.

Background

Insulated cable means the electric wire of cladding insulating layer, military affairs, the hospital, the application such as chemical industry and the important place that has explosion-proof demand is extensive, along with the development of science and technology, the development of the electrician trade that the power industry matches has been promoted, make electric wire and cable's use more and more general, improvement along with people's standard of living, electric power electric wire netting develops rapidly, in electric power electric wire netting, the cable is the indispensable part in the electric power electric wire netting, the outside parcel insulating layer and the restrictive coating of prior art's cable, but influence the stability in use of cable to a certain extent, for example when taking place the conflagration, the outer a large amount of cigarettes that produce easily of cable, be unfavorable for personnel to evacuate, inside sinle silk degree of protection is not enough simultaneously, leak electricity easily when taking place the conflagration, cause the casualties, be difficult to satisfy market demand, consequently, need improve prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant type interlocking armor aluminum alloy cable of low smoke and zero halogen 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: the low-smoke halogen-free flame-retardant interlocking armored aluminum alloy cable comprises an interlocking armored outer sheath, a filling layer and a core layer, wherein the filling layer is fixedly installed inside the interlocking armored outer sheath, a low-smoke halogen-free inner liner layer is fixedly sleeved outside the core layer, a heat-shrinkable sleeve is movably sleeved outside the low-smoke halogen-free inner liner layer, a buffer cavity is arranged between the heat-shrinkable sleeve and the low-smoke halogen-free inner liner layer, a rubber filling block is fixedly installed in the buffer cavity, one end of the rubber filling block is fixedly connected with the heat-shrinkable sleeve, the other end of the rubber filling block is fixedly connected with the low-smoke halogen-free inner liner layer, an insulating sheath is fixedly installed inside the core layer and comprises a sheath a, a sheath b and a sheath c, a concave groove a is arranged at the lower end of the sheath a, a concave groove b is arranged at the lower end of the sheath b, and the upper end of the sheath b is fixedly installed in the concave groove a, the upper end of the sheath c is fixedly arranged in the concave groove b.

Preferably, wire core slots are formed in the sheaths a, b and c, and conductor wire cores are fixedly mounted in the wire core slots.

Preferably, the filling layer comprises a fire-extinguishing foam filling layer, a heat dissipation layer and an insulating layer, the insulating layer is fixedly installed on the inner wall of the interlocked armored outer sheath, the fire-extinguishing foam filling layer is fixedly installed on the inner wall of the insulating layer, and the heat dissipation layer is fixedly installed on the inner wall of the fire-extinguishing foam filling layer.

Preferably, the number of the rubber filling blocks is four, and the rubber filling blocks are respectively attached to the outer side of the low-smoke halogen-free inner liner layer.

Compared with the prior art, the beneficial effects of the utility model are that: this fire-retardant type interlocking armor aluminum alloy cable of low smoke and zero halogen, moreover, the steam generator is simple in structure, through low smoke and zero halogen inner liner, reducible cable outside burning produces the cigarette when the conflagration breaing out, and can carry out the processing of putting out a fire of self through the foam cushion of putting out a fire, be heated shrink rubber filling layer through heat shrinkage bush, it is integrative to wholly contract, reduce the heating area, thereby protect the internal conductor sinle silk, improve the inside protection degree, avoid long-time burning to lead to the electric leakage phenomenon to take place, the service strength of reinforcing cable self.

Drawings

FIG. 1 is a schematic view of the transverse internal structure of the present invention;

fig. 2 is a cross-sectional structural section view of the present invention.

In the figure: 1 interlocking armor oversheath, 2 filling layer, 21 foam filling layer of putting out a fire, 22 insulating layers, 23 heat dissipation layer, 3 sandwich layers, 4 low smoke and zero halogen inside liners, 5 rubber filling blocks, 6 heat shrinkage bush, 7 cushion chamber, 8 insulating sheath, 81 sheath a, 82 sheath b, 83 sheath c, 9 depressed groove b, 10 conductor sinle silk, 11 sinle silk slots, 12 depressed groove a.

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 and fig. 2, the present invention provides a technical solution: fire-retardant type interlocking armor aluminum alloy cable of low smoke and zero halogen, including interlocking armor oversheath 1, filling layer 2 and sinle silk layer 3, the inside fixed mounting filling layer 2 of interlocking armor oversheath 1, the outside fixed cover of sinle silk layer 3 is equipped with low smoke and zero halogen inner liner 4, the outside movable sleeve of low smoke and zero halogen inner liner 4 is equipped with heat shrinkage bush 6, and is equipped with cushion chamber 7 between heat shrinkage bush 6 and low smoke and zero halogen inner liner 4, fixed mounting has rubber filling block 5 in cushion chamber 7, the one end fixed connection heat shrinkage bush 6 of rubber filling block 5, the other end fixed connection low smoke and zero halogen inner liner 4 of rubber filling block 5, the inside fixed mounting of sinle silk layer 3 has insulating boot 8, insulating boot 8 includes sheath a 81, sheath b 82 and sheath c 83, the lower extreme of sheath a 81 is equipped with depressed groove a 12, a concave groove b 9 is formed in the lower end of the sheath b 82, the upper end of the sheath b 82 is fixedly installed in the concave groove a 12, and the upper end of the sheath c 83 is fixedly installed in the concave groove b 9;

specifically, interlocking armor oversheath 1 is outermost protective sheath, inside fixed mounting the filling layer 2, and the inside of filling layer 2 is low smoke and zero halogen inner liner 4, and the inlayer is sinle silk layer 3, conductor sinle silk 10 is installed at the inside center of sandwich layer 3, heat shrinkage bush 6 suit is in the outside of low smoke and zero halogen inner liner 4, heat shrinkage bush 6 is the sleeve pipe that is heated and shrunk among the prior art, be equipped with cushion chamber 7 between low smoke and zero halogen inner liner 4 and the heat shrinkage bush 6 before the shrink, be used for installing in cushion chamber 7 rubber filling block 5, rubber filling block 5 is the thermal-insulated material of rubber, the inside middle section fixed mounting of sandwich layer 3 insulating sheath 8, insulating sheath 8 is in the inside from the top down of sandwich layer 3, and the sheath is a 81, sheath b 82 and sheath c 83 for installing three conductor sinle silks 10, and the compression strength can be improved by installing the concave groove a 12 and the concave groove b 9 in one body, and the conductor core 10 can be protected regardless of the pressing from any position.

Wire core slots 11 are formed in the sheaths a 81, b 82 and c 83, and conductor wire cores 10 are fixedly mounted in the wire core slots 11;

specifically, the wire core slots 11 are formed in the middle positions inside the sheath a 81, the sheath b 82 and the sheath c 83 and used for installing the conductor wire cores 10, the conductor wire cores 10 are made of aluminum alloy, and compared with a copper core, the copper core is low in cost and better in elongation and strength.

The filling layer 2 comprises a fire-extinguishing foam filling layer 21, a heat dissipation layer 23 and an insulating layer 22, the insulating layer 22 is fixedly installed on the inner wall of the interlocked armored outer sheath 1, the fire-extinguishing foam filling layer 21 is fixedly installed on the inner wall of the insulating layer 22, and the heat dissipation layer 23 is fixedly installed on the inner wall of the fire-extinguishing foam filling layer 21;

specifically, filling layer 2 comprises fire extinguishing foam filling layer 21, heat dissipation layer 23 and insulating layer 22, fire extinguishing foam filling layer 21 is located the centre, heat dissipation layer 23 can improve inner structure's heat dissipation, insulating layer 22 can improve the holistic insulating nature of cable, fire extinguishing foam filling layer 21 can put out flame when the cable surface that takes place conflagration burns.

The rubber filling blocks 5 are four, and the rubber filling blocks 5 are respectively attached to the outer side of the low-smoke halogen-free inner liner layer 4.

The working process and principle are as follows: when the conflagration takes place in the cable use, cable surface produces flame, foam filling layer 21 of putting out a fire in filling layer 2 produces the foam of putting out a fire and can carry out fire-retardant, if the intensity of a fire is too big, when the high temperature, heat shrinkable tube 6 is heated the shrink, and the 5 shrink of compressed rubber obturator is with the inlayer shrink of inside parcel, tightly wraps up conductor sinle silk 10 in the sinle silk layer 3, prevents the emergence of electric leakage, can not produce a large amount of cigarettes when the intensity of a fire burns low smoke and zero halogen inner liner 4, guarantees personnel's safety withdraw and can be clear when carrying out the cable and put out a fire see the cable body, reduce danger.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. Fire-retardant type interlocking armor aluminum alloy cable of low smoke and zero halogen, including interlocking armor oversheath (1), filling layer (2) and sinle silk layer (3), its characterized in that: the interlocking armor sheath is characterized in that the interlocking armor sheath (1) is internally and fixedly provided with a filling layer (2), the outer fixed sleeve of the core layer (3) is provided with a low-smoke halogen-free inner liner layer (4), the outer movable sleeve of the low-smoke halogen-free inner liner layer (4) is provided with a heat-shrinkable sleeve (6), a buffer cavity (7) is arranged between the heat-shrinkable sleeve (6) and the low-smoke halogen-free inner liner layer (4), a rubber filling block (5) is fixedly arranged in the buffer cavity (7), one end of the rubber filling block (5) is fixedly connected with the heat-shrinkable sleeve (6), the other end of the rubber filling block (5) is fixedly connected with the low-smoke halogen-free inner liner layer (4), the inner fixed sleeve of the core layer (3) is provided with an insulating sheath (8), the insulating sheath (8) comprises a sheath a (81), a sheath b (82) and a sheath c (83), the lower end of the sheath a (81) is provided with a depressed groove a (12), the lower end of the sheath b (82) is provided with a concave groove b (9), the upper end of the sheath b (82) is fixedly installed in the concave groove a (12), and the upper end of the sheath c (83) is fixedly installed in the concave groove b (9).

2. The low-smoke halogen-free flame-retardant interlocking armored aluminum alloy cable according to claim 1, characterized in that: the inside of sheath a (81), sheath b (82) and sheath c (83) all is equipped with sinle silk slot (11), all fixed mounting has conductor sinle silk (10) in sinle silk slot (11).

3. The low-smoke halogen-free flame-retardant interlocking armored aluminum alloy cable according to claim 1, characterized in that: filling layer (2) are including fire extinguishing foam filling layer (21), heat dissipation layer (23) and insulating layer (22), inner wall fixed mounting insulating layer (22) of interlocking armor oversheath (1), the inner wall fixed mounting fire extinguishing foam filling layer (21) of insulating layer (22), the inner wall fixed mounting heat dissipation layer (23) of fire extinguishing foam filling layer (21).

4. The low-smoke halogen-free flame-retardant interlocking armored aluminum alloy cable according to claim 1, characterized in that: the rubber filling blocks (5) are four, and the rubber filling blocks (5) are respectively attached to the outer side of the low-smoke halogen-free inner liner layer (4).

Images