CN211654410U

CN211654410U - Fireproof wear-resistant communication cable

Info

Publication number: CN211654410U
Application number: CN202020021404.XU
Authority: CN
Inventors: 兰立新
Original assignee: Yangzhou Yineng Electronic Network Co ltd
Current assignee: Yangzhou Yineng Electronic Network Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-10-09
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a wear-resisting type communication cable of fire prevention belongs to cable technical field. The cable comprises a conductor, the outside crowded package of conductor is equipped with the insulating layer, the insulating layer outside is equipped with the insulating layer, the conductor, insulating layer and insulating layer constitution sinle silk unit, a plurality of sinle silk unit outsides are equipped with band layer first, be equipped with the filling layer between band layer first and the sinle silk unit, the inside hollow buffer tube that still runs through of filling layer, band layer first outside is equipped with fire prevention mud, fire prevention mud outside is equipped with band layer second, band layer second outside is equipped with metal shielding layer, metal shielding layer outside is equipped with the flame retardant coating, the outside crowded package of flame retardant coating has the overs. The utility model arranges the filling layers between the core units, and the hollow buffer tubes are inserted between the filling layers, thereby playing the role of buffering and enhancing the structural stability; the fireproof layer is arranged in the structure, the flame retardant property is excellent, the heat insulation layer is arranged, the influence of the external environment temperature on the wire core is effectively reduced, and the performance is stable; two layers of belting layers are arranged, so that the wear resistance of the cable is improved.

Description

Fireproof wear-resistant communication cable

Technical Field

The utility model relates to a cable technical field, specifically speaking especially relates to a wear-resisting type communication cable of fire prevention.

Background

With the rapid development of the communication industry in China, the communication cable in China is also rapidly developed, and the international competitiveness is gradually improved. Communication cables are widely used in the transmission of telephone, facsimile documents, data, television and radio programs, and play an irreplaceable role in social development. But current communication cable can be constantly twisted in transport and installation, and frequent twisting like this can lead to the inside heart yearn dislocation of cable, can lead to the deformation, the fracture of cable when serious, influences the performance of cable to cause the incident, in addition, current communication cable wear resistance and fire behavior are all not excellent enough.

Disclosure of Invention

In order to solve the problem, the utility model discloses a wear-resisting type communication cable of fire prevention, stable in structure, fire prevention and wear resistance are excellent.

The utility model discloses a realize through following technical scheme:

the utility model provides a wear-resisting type communication cable of fire prevention, includes the conductor, the crowded package in conductor outside is equipped with the insulating layer, the insulating layer outside is equipped with the insulating layer, conductor, insulating layer and insulating layer constitution sinle silk unit, and is a plurality of sinle silk unit outside is equipped with band layer first, be equipped with the filling layer between band layer first and the sinle silk unit, the inside hollow buffer tube that still runs through of filling layer is equipped with, band layer first outside is equipped with fire prevention mud, fire prevention mud outside is equipped with band layer second, band layer second outside is equipped with metal shielding layer, metal shielding layer outside is equipped with the flame retardant coating, the crowded package in flame retardant coating outside has the oversheath.

The insulating layer is a cross-linked polyethylene insulating layer.

The heat insulation layer is formed by winding organic glass wires.

The hollow buffer tube is a carbon corrugated tube.

The filling layer is made of ethylene propylene diene monomer.

The belting layer A and the belting layer B are formed by wrapping steel-plastic composite belts.

The fire-proof layer is made of low-smoke halogen-free polyethylene.

The outer sheath is made of thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.

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

the utility model discloses set up the filling layer between each sinle silk unit, and alternate hollow buffer tube between the filling layer, can play the cushioning effect, can strengthen structural stability again, effectively avoid the cable atress to lead to the sinle silk to twist reverse the dislocation, convenient to use; the fireproof layer is arranged in the structure, the flame retardant property is excellent, the heat insulation layer is arranged, the influence of the external environment temperature on the wire core is effectively reduced, and the performance is stable; two layers of belting layers are arranged, so that the wear resistance of the cable is improved.

Drawings

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

In the figure: 1. a conductor; 2. an insulating layer; 3. a thermal insulation layer; 4. a hollow buffer tube; 5. a filling layer; 6. wrapping a belt layer A; 7. fire-proof mud; 8. a belting layer B; 9. a metal shielding layer; 10. a fire barrier layer; 11. an outer sheath.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the utility model provides a wear-resisting type communication cable of fire prevention, includes conductor 1, the crowded package in 1 outside of conductor is equipped with insulating layer 2, insulating layer 2 outside is equipped with insulating layer 3, conductor 1, insulating layer 2 and insulating layer 3 constitute the sinle silk unit, and is a plurality of sinle silk unit outside is equipped with band layer first 6, be equipped with filling layer 5 between band layer first 6 and the sinle silk unit, 5 inside hollow buffer tube 4 that still runs through of filling layer, band layer first 6 outside is equipped with fire prevention mud 7, fire prevention mud 7 outside is equipped with band layer second 8, band layer second 8 outside is equipped with metallic shield 9, metallic shield 9 outside is equipped with flame retardant coating 10, the crowded package in flame retardant coating 10 outside has oversheath 11.

The insulating layer 2 is a cross-linked polyethylene insulating layer.

The heat insulation layer 3 is formed by lapping organic glass wires.

The hollow buffer tube 4 is a carbon corrugated tube.

The filling layer 5 is made of ethylene propylene diene monomer.

The belting layer A6 and the belting layer B8 are formed by wrapping steel-plastic composite belts.

The fire-proof layer 10 is made of low-smoke halogen-free polyethylene.

The outer sheath 11 is made of a thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.

As shown in figure 1 of the attached drawings of the specification, a fireproof wear-resistant communication cable comprises a conductor 1, an insulating layer 2 is arranged outside the conductor 1 in a squeezing mode, an insulating layer 3 is arranged outside the insulating layer 2, the conductor 1, the insulating layer 2 and the insulating layer 3 form a cable core unit, a plurality of cable core units are externally provided with a belting layer A6, a filling layer 5 is arranged between the belting layer A6 and the cable core units, a hollow buffer tube 4 is arranged inside the filling layer 5 in a penetrating mode, a fireproof mud 7 is arranged outside the belting layer A6, a belting layer B8 is arranged outside the fireproof mud 7, a metal shielding layer 9 is arranged outside the belting layer B8, a fireproof layer 10 is arranged outside the metal shielding layer 9, and an outer sheath 11. The insulating layer 2 is made of cross-linked polyethylene. The heat insulation layer 3 is formed by lapping organic glass wires. The hollow buffer tube 4 is filled with carbon corrugated tubes, the filling layer 5 is made of ethylene propylene diene monomer rubber, the wrapping layer A6 and the wrapping layer B8 are formed by wrapping steel-plastic composite tapes, the metal shielding layer 9 is made of an aluminum foil shielding layer, the fireproof layer 10 is made of low-smoke halogen-free polyethylene, and the outer sheath 11 is made of a thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a wear-resisting type communication cable of fire prevention which characterized in that: including conductor (1), conductor (1) outside crowded package is equipped with insulating layer (2), insulating layer (2) outside is equipped with insulating layer (3), conductor (1), insulating layer (2) and insulating layer (3) constitute sinle silk unit, and is a plurality of sinle silk unit outside is equipped with band layer first (6), be equipped with between band layer first (6) and the sinle silk unit filling layer (5), inside still running through of filling layer (5) is equipped with hollow buffer tube (4), band layer first (6) outside is equipped with fire prevention mud (7), fire prevention mud (7) outside is equipped with band layer second (8), band layer second (8) outside is equipped with metal shielding layer (9), metal shielding layer (9) outside is equipped with flame retardant coating (10), flame retardant coating (10) outside crowded package has oversheath (11).

2. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the insulating layer (2) is a cross-linked polyethylene insulating layer.

3. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the heat insulation layer (3) is formed by wrapping organic glass filaments.

4. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the hollow buffer tube (4) is a carbon corrugated tube.

5. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the filling layer (5) is made of ethylene propylene diene monomer.

6. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the belting layer A (6) and the belting layer B (8) are formed by wrapping steel-plastic composite belts.

7. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the fireproof layer (10) is made of low-smoke halogen-free polyethylene.

8. A fire and abrasion resistant communication cable as claimed in claim 1, wherein: the outer sheath (11) is made of a thermosetting halogen-free low-smoke flame-retardant polyolefin sheath material.