CN218602163U

CN218602163U - Thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable

Info

Publication number: CN218602163U
Application number: CN202222427029.0U
Authority: CN
Inventors: 吴万明; 胡月香; 王晓春; 邵兰香
Original assignee: Yangzhou Yangzi Cable Manufacturing Co ltd
Current assignee: Yangzhou Yangzi Cable Manufacturing Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-10
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a control cable technical field's a thin steel wire armor does not have steamed low fire-retardant sheath control cable of cigarette, including the inner sheath layer, the inside packing of inner sheath layer is equipped with the filler, is equipped with the cable core in the filler, and the cable core outer wall is equipped with the insulating layer, and insulating layer outer wall is equipped with the shielding layer, and inner sheath layer outer wall is equipped with high temperature resistant layer, and high temperature resistant layer outer wall is equipped with fire-retardant layer, and fire-retardant layer outer wall is equipped with the stretch-proofing layer, and the stretch-proofing layer outer wall is equipped with the armor, the utility model discloses can improve control cable's fire behaviour under fire-retardant layer's effect, fire-retardant layer, inner sheath layer and outer sheath layer all adopt the processing of steamed low cigarette fire-retardant polyolefin material to form, and fire-retardant effect is good, even the burning can not produce harmful gas yet, can improve control cable's stretch-proofing performance under strengthening rib and stretch-proofing layer's effect, prevents to receive the circumstances that control cable fracture takes place caused by the dragging of external force, improves control cable's life.

Description

Thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable

Technical Field

The utility model relates to a control cable technical field specifically is a thin steel wire armoring does not have steamed low fire-retardant sheath control cable of cigarette.

Background

The fine steel wire armored control cable with the halogen-free low-smoke flame-retardant sheath is mostly used in mines, and the mine control cable generally refers to wire and cable products for ground equipment and underground equipment used in the coal mining industry, and comprises cables for coal mining machines, transport machines, communication, illumination and signal equipment, electric drill cables, cap lamp wires, power cables for underground mobile substations and the like.

When the mining control cable burns under a special condition, a large amount of hydrogen chloride toxic gas is generated, which has fatal influence on workers under a mine, and the control cable has poor stretch resistance and is easy to cause the breakage of an internal cable core under the action of external force, so that the control cable with the thin steel wire armored halogen-free low-smoke flame-retardant sheath is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thin steel wire armor does not have steamed low fire-retardant sheath control cable of cigarette to the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thin steel wire armoured does not have steamed low fire-retardant sheath control cable of cigarette, includes the inner sheath layer, the inside packing of inner sheath layer is equipped with the filler, be equipped with the cable core in the filler, the cable core outer wall is equipped with the insulating layer, insulating layer outer wall is equipped with the shielding layer, inner sheath layer outer wall is equipped with high temperature resistant layer, high temperature resistant layer outer wall is equipped with fire-retardant layer, fire-retardant layer outer wall is equipped with the stretch-proofing layer, stretch-proofing layer outer wall is equipped with the armor, the armor outer wall is equipped with the oversheath layer, oversheath layer outer wall is equipped with the anticorrosive coating.

Furthermore, the inner sheath layer and the outer sheath layer are both made of halogen-free low-smoke flame-retardant polyolefin materials.

Furthermore, the flame-retardant layer is made of halogen-free low-smoke flame-retardant polyolefin material.

Furthermore, the armor layer is made of thin steel wires.

Furthermore, the material of the high temperature resistant layer is ceramic silicon rubber.

Further, the filler is made of PP ropes through mixing.

Further, inner sheath layer inner wall is equipped with the multiunit strengthening rib, and the multiunit strengthening rib is in inner sheath layer inner wall is the annular array issue, the multiunit strengthening rib one end all is connected with the shielding layer outside wall.

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

1. this practicality can improve control cable's fire behaviour under the effect on fire-retardant layer, and fire-retardant layer, inner sheath layer and outer sheath layer all adopt the processing of steamed low cigarette fire-retardant polyolefin material of nothing to form, and flame retardant efficiency is good, even the burning can not produce harmful gas yet, can improve control cable's stretch-proofing performance under the effect on strengthening rib and stretch-proofing layer, prevents to receive dragging of external force and causes control cable to take place cracked condition, improves control cable's life.

2. This practicality can improve control cable's high temperature resistance under the effect on high temperature resistant layer to make control cable can work under high temperature resistance environment, can improve control cable's corrosion resisting property under the effect of anticorrosive coating, prevent that control cable from being corroded, improve control cable's life.

Drawings

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

In the figure: 1. a cable core; 2. an insulating layer; 3. a shielding layer; 4. reinforcing ribs; 5. a filler; 6. an inner jacket layer; 7. a high temperature resistant layer; 8. a flame retardant layer; 9. a stretch resistant layer; 10. an armor layer; 11. an outer jacket layer; 12. and (4) an anticorrosive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1:

referring to fig. 1, the present invention provides a technical solution: a thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable comprises an inner sheath layer 6, a filler 5 is filled in the inner sheath layer 6, the filler 5 is made of PP ropes in a mixed mode, a cable core 1 is arranged in the filler 5, an insulating layer 2 is arranged on the outer wall of the cable core 1, a shielding layer 3 is arranged on the outer wall of the insulating layer 2, a plurality of groups of reinforcing ribs 4 are arranged on the inner wall of the inner sheath layer 6, the inner wall of the inner sheath layer 6 is distributed in an annular array mode, one ends of the groups of reinforcing ribs 4 are connected with the outer side wall of the shielding layer 3, the tensile resistance of the control cable can be improved under the action of the reinforcing ribs 4, the situation that the control cable is broken due to pulling of external force is prevented, a high-temperature-resistant layer 7 is arranged on the outer wall of the inner sheath layer 6, the high-temperature-resistant layer 7 is made of ceramic silicon rubber, the high-temperature-resistant performance of the control cable can be improved under the action of the high-temperature-resistant layer 7, therefore, the control cable can work in a high-temperature resistant environment, the outer wall of the high-temperature resistant layer 7 is provided with the flame retardant layer 8, the flame retardant layer 8 is processed by adopting halogen-free low-smoke flame retardant polyolefin materials, the flame retardant property of the control cable can be improved under the action of the flame retardant layer 8, no harmful gas is generated even if the control cable is burnt, the outer wall of the flame retardant layer 8 is provided with the stretching resistant layer 9, the outer wall of the stretching resistant layer 9 is provided with the armor layer 10, the armor layer 10 is made of thin steel wires and can protect the control cable, the outer wall of the armor layer 10 is provided with the outer sheath layer 11, the inner sheath layer 6 and the outer sheath layer 11 are both processed by adopting halogen-free low-smoke flame retardant polyolefin materials, the flame retardant effect is good, no harmful gas is generated even if the control cable is burnt, the outer wall of the outer sheath layer 11 is provided with the anticorrosive layer 12, the anticorrosive property of the control cable can be improved under the action of the anticorrosive layer 12, and the control cable is prevented from being corroded, the service life of the control cable is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 a thin steel wire armoured does not have steamed low fire-retardant sheath control cable of cigarette, includes inner sheath layer (6), its characterized in that: the cable is characterized in that the inner sheath layer (6) is filled with filler (5), a cable core (1) is arranged in the filler (5), an insulating layer (2) is arranged on the outer wall of the cable core (1), a shielding layer (3) is arranged on the outer wall of the insulating layer (2), a high-temperature-resistant layer (7) is arranged on the outer wall of the inner sheath layer (6), a flame-retardant layer (8) is arranged on the outer wall of the high-temperature-resistant layer (7), a stretch-resistant layer (9) is arranged on the outer wall of the flame-retardant layer (8), an armor layer (10) is arranged on the outer wall of the stretch-resistant layer (9), an outer sheath layer (11) is arranged on the outer wall of the armor layer (10), and an anticorrosive layer (12) is arranged on the outer wall of the outer sheath layer (11).

2. The thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable according to claim 1, characterized in that: the inner sheath layer (6) and the outer sheath layer (11) are both made of halogen-free low-smoke flame-retardant polyolefin materials.

3. The thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable according to claim 1, characterized in that: the flame-retardant layer (8) is made of halogen-free low-smoke flame-retardant polyolefin material.

4. The thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable according to claim 1, characterized in that: the armor layer (10) is made of thin steel wires.

5. The thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable according to claim 1, characterized in that: the high-temperature resistant layer (7) is made of ceramic silicon rubber.

6. The thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable according to claim 1, characterized in that: the filler (5) is made by mixing PP ropes.

7. The thin steel wire armored halogen-free low-smoke flame-retardant sheath control cable according to claim 1, characterized in that: inner sheath layer (6) inner wall is equipped with multiunit strengthening rib (4), and multiunit strengthening rib (4) are inner sheath layer (6) inner wall is the annular array issue, the multiunit strengthening rib (4) one end all is connected with shielding layer (3) lateral wall.