CN212322703U

CN212322703U - Stretch-proofing polyvinyl chloride safety fireproof cable

Info

Publication number: CN212322703U
Application number: CN202020996549.1U
Authority: CN
Inventors: 解海萍; 何玉华
Original assignee: Tianjin Zhengbiao Jinda Cable Group Co ltd
Current assignee: Tianjin Zhengbiao Jinda Cable Group Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-08
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to an anti-stretching polyvinyl chloride safety fireproof cable, including a plurality of conductive core, every conductive core all includes conductor and the insulating layer of parcel outside the conductor, be equipped with the fire-resistant soil fire prevention filling layer between conductor and the insulating layer, be equipped with the tensile in the middle of all conductive core and reinforce wire rope, all conductive core are equipped with the ripple pillar outward, be equipped with compound argil fire prevention filling layer between ripple pillar and the conductive core, the ripple pillar is equipped with the polyvinyl chloride oversheath outward. The utility model discloses be equipped with the fire clay fire prevention filling layer between conductor and the insulating layer, be equipped with compound argil fire prevention filling layer between ripple pillar and the conductive core, the quick pottery porcelain ization of earth clay and compound argil under high temperature environment can be able to bear or endure high temperature and keep off the fire, and the fire prevention grade is high, is equipped with stretch-proofing reinforced steel wire rope in the middle of the conductive core, and stretch-proofing performance strengthens.

Description

Stretch-proofing polyvinyl chloride safety fireproof cable

Technical Field

The utility model relates to a fireproof cable's technical field especially relates to a stretch-proofing polyvinyl chloride safety fireproof cable.

Background

The cable is mainly used for conducting electric power, and has a wide variety of types and wide application. Early cables were less fire retardant and therefore most cables were of relatively low fire rating. The cable material is usually organic polymer material, and under the flame condition, the organic material can be carbonized rapidly, thereby bringing about great potential safety hazard. With the development of economy and science, people pay more and more attention to safety performance. Therefore, in the development process of cables, the development of fireproof cables is increasingly emphasized.

Disclosure of Invention

The utility model discloses aim at improving the fire behavior of cable, and provide a stretch-proofing polyvinyl chloride safety fireproof cable.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

the utility model provides a stretch-proofing polyvinyl chloride safety fireproof cable, includes a plurality of conductive core, and every conductive core all includes the conductor and wraps up the insulating layer outside the conductor, be equipped with fire clay fire prevention filling layer between conductor and the insulating layer, be equipped with the stretch-proofing reinforced steel wire rope in the middle of all conductive core, all conductive core are equipped with the ripple pillar outward, be equipped with compound argil fire prevention filling layer between ripple pillar and the conductive core, the ripple pillar is equipped with the polyvinyl chloride oversheath outward.

And a fireproof mica tape layer is arranged between the corrugated protective pipe and the outer sheath.

And a shielding layer formed by weaving tinned copper wires is arranged between the fireproof mica tape layer and the outer sheath.

And a glass fiber belt layer is arranged between the fireproof mica belt layer and the shielding layer.

And a water stop tape wrapping layer is arranged between the shielding layer and the outer sheath.

In particular, the conductor is a single copper conductor.

In particular, the conductor is formed by twisting a plurality of copper conductors together.

The utility model has the advantages that: the utility model discloses be equipped with the fire clay fire prevention filling layer between conductor and the insulating layer, be equipped with compound argil fire prevention filling layer between ripple pillar and the conductive core, the quick pottery porcelain ization of earth clay and compound argil under high temperature environment can be able to bear or endure high temperature and keep off the fire, and the fire prevention grade is high, is equipped with stretch-proofing reinforced steel wire rope in the middle of the conductive core, and stretch-proofing performance strengthens.

Drawings

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

in the figure: 1-a conductor; 2-an insulating layer; 3-fireproof filling layer of refractory soil; 4-stretch-proofing reinforced steel wire rope; 5-corrugated protective pipe; 6-composite pottery clay fireproof filling layer; 7-an outer sheath; 8-fireproof mica tape layer; 9-a shielding layer; 10-a layer of glass fiber tape;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1, the anti-stretching polyvinyl chloride safety fireproof cable comprises a plurality of conductive wire cores, each conductive wire core comprises a conductor 1 and an insulating layer 2 wrapped outside the conductor 1, a fireproof soil fireproof filling layer 3 is arranged between the conductor 1 and the insulating layer 2, anti-stretching reinforced steel wire ropes 4 are arranged in the middle of all the conductive wire cores, corrugated protection pipes 5 are arranged outside all the conductive wire cores, a composite pottery clay fireproof filling layer 6 is arranged between the corrugated protection pipes 5 and the conductive wire cores, and polyvinyl chloride outer sheaths 7 are arranged outside the corrugated protection pipes 5.

And a fireproof mica tape layer 8 is arranged between the corrugated protection pipe 5 and the outer sheath 7.

And a shielding layer 9 formed by weaving tinned copper wires is arranged between the fireproof mica tape layer 8 and the outer sheath 7.

And a glass fiber belt layer 10 is arranged between the fireproof mica belt layer 8 and the shielding layer 9.

And a water stop tape wrapping layer is arranged between the shielding layer 9 and the outer sheath 7.

In particular, the conductor 1 is a single copper conductor.

In particular, the conductor 1 is formed by twisting a plurality of copper conductors.

The utility model discloses be equipped with fire clay fire prevention filling layer 3 between conductor 1 and the insulating layer 2, be equipped with compound argil fire prevention filling layer 6 between ripple pillar 5 and the conductive core, the fire clay can quick ceramic-ization with compound argil under high temperature environment, can high temperature resistant keep off the fire, and the fire-protection rating is high, is equipped with stretch-proofing reinforced steel wire rope 4 in the middle of the conductive core, and stretch-proofing performance strengthens.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. The utility model provides a stretch-proofing polyvinyl chloride safety fireproof cable, its characterized in that includes a plurality of conductive core, and every conductive core all includes conductor (1) and parcel insulating layer (2) outside conductor (1), be equipped with fire clay fire prevention filling layer (3) between conductor (1) and insulating layer (2), be equipped with tensile reinforced steel wire rope (4) in the middle of all conductive core, all conductive core are equipped with ripple pillar (5) outward, be equipped with compound argil fire prevention filling layer (6) between ripple pillar (5) and the conductive core, ripple pillar (5) are equipped with polyvinyl chloride oversheath (7) outward.

2. A stretch-resistant polyvinyl chloride safety fireproof cable according to claim 1, wherein a fireproof mica tape layer (8) is arranged between the corrugated protective pipe (5) and the outer sheath (7).

3. The anti-stretching polyvinyl chloride safety fireproof cable according to claim 2, wherein a shielding layer (9) formed by weaving tinned copper wires is arranged between the fireproof mica tape layer (8) and the outer sheath (7).

4. A stretch-resistant polyvinyl chloride safety fireproof cable according to claim 3, wherein a glass fiber tape layer (10) is provided between the fireproof mica tape layer (8) and the shielding layer (9).

5. The stretch-resistant polyvinyl chloride safety fireproof cable according to claim 4, wherein a water stop wrapping layer is arranged between the shielding layer (9) and the outer sheath (7).

6. A stretch-resistant polyvinyl chloride safety fireproof cable according to claim 5, wherein the conductor (1) is a single copper conductor.

7. A stretch-resistant polyvinyl chloride safety fireproof cable according to claim 5, wherein the conductor (1) is formed by twisting a plurality of copper conductors together.