CN216287619U - Overhead cable - Google Patents
Overhead cable Download PDFInfo
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- CN216287619U CN216287619U CN202122241838.8U CN202122241838U CN216287619U CN 216287619 U CN216287619 U CN 216287619U CN 202122241838 U CN202122241838 U CN 202122241838U CN 216287619 U CN216287619 U CN 216287619U
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- core wire
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Abstract
The utility model discloses an overhead cable which comprises a core wire, wherein an insulating protective layer is sleeved on the core wire, insulating silica gel is arranged between the insulating protective layer and the core wire, a fireproof layer is arranged on the outer side of the insulating protective layer, an elastic piece is bonded on the outer side of the fireproof layer, a rubber anticorrosive layer is bonded on the outer side of the elastic piece, a cavity is formed between the fireproof layer and the rubber anticorrosive layer, an outer protective film is arranged on the outer side of the rubber anticorrosive layer, and a label sheet is arranged on the outer protective film. This cable can carry out abundant insulation protection to the heart yearn through insulating silica gel and insulating inoxidizing coating, and the flame retardant coating has stronger fire prevention effect simultaneously, and the elastic component has stronger elastic effect, and outer protecting film can improve the weatherability of heart yearn, effectually protects the heart yearn.
Description
Technical Field
The utility model belongs to the technical field of overhead cables, and particularly relates to an overhead cable.
Background
The overhead cable is an overhead conductor provided with an insulating layer and a protective sheath, adopts a special cable manufactured by a production process similar to a crosslinked cable, and is a new power transmission mode between the overhead conductor and an underground cable; the aerial cable is a single core, and can be divided into a duralumin wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core threaded structure (the wire core can be duralumin or duralumin wire) and the like according to different structures.
The existing overhead cable has poor protection effect and cannot fully protect the wire core, so that the cable is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an overhead cable to solve the problem of poor cable protection effect.
In order to achieve the purpose, the utility model provides the following technical scheme: an aerial cable comprises a core wire, wherein an insulating protective layer is sleeved on the core wire, the core wire is provided with four insulating silica gel, one insulating silica gel is arranged at the central position, the other three insulating protective layers are arranged in a shape like a Chinese character 'pin', an insulating silica gel sleeve is arranged on the outer side of the core wire, the insulating silica gel completely wraps the core wire, the core wire is separated from the insulating silica gel, a fireproof layer is arranged on the outer side of each insulating protective layer, the fireproof layer is fixedly bonded on the outer side of the insulating protective layer, an elastic part is bonded on the outer side of the fireproof layer, the elastic part is uniformly bonded on the outer side of the fireproof layer, a rubber anticorrosive layer is bonded on the outer side of the elastic part, the rubber anticorrosive layer is fixedly bonded on the outer side of the elastic part, a cavity is formed between the fireproof layer and the rubber anticorrosive layer, the elastic part can be saved in the cavity, and an outer protective film is arranged on the outer side of the rubber anticorrosive layer, the outer protective film is uniformly bonded on the outer side of the rubber anticorrosive layer, the label sheet is arranged on the outer protective film and is bonded on the outer protective film, and the cable is conveniently marked.
Preferably, the insulating protective layer is made of insulating rubber, and the insulating rubber has a strong insulating effect and can perform sufficient insulating protection on the core wire.
Preferably, the fireproof layer is made of a magnesium oxide insulating material, and the magnesium oxide insulating material has a strong fireproof effect and can fully protect the core wire from fire.
Preferably, the elastic element is made of elastic rubber, and the elastic rubber has stronger elasticity and can fully and elastically protect the core wire.
Preferably, the outer protective film is made of a mixed material of weather-resistant polyethylene, polyethylene and cross-linked polyethylene, so that the weather resistance of the core wire is effectively improved.
Compared with the prior art, the utility model has the beneficial effects that: this cable can carry out abundant insulation protection to the heart yearn through insulating silica gel and insulating inoxidizing coating, and the flame retardant coating has stronger fire prevention effect simultaneously, and the elastic component has stronger elastic effect, and outer protecting film can improve the weatherability of heart yearn, effectually protects the heart yearn.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the present invention.
In the figure: 1. a core wire; 2. insulating silica gel; 3. an insulating protective layer; 4. a fire barrier layer; 5. an elastic member; 6. a rubber anticorrosive layer; 7. a cavity; 8. an outer protective film; 9. a label sheet.
Detailed Description
Referring to fig. 1 and 2, an aerial cable comprises a core wire 1, wherein an insulating protective layer 3 is sleeved on the core wire 1, four core wires 1 are arranged, one core wire 1 is arranged at the central position, the other three core wires are arranged in a delta shape, the insulating protective layer 3 is sleeved on the outer side of the core wire 1, an insulating silica gel 2 is arranged between the insulating protective layer 3 and the core wire 1, the core wires 1 are completely wrapped by the insulating silica gel 2, the core wires 1 are separated by the insulating silica gel 2, a fireproof layer 4 is arranged on the outer side of the insulating protective layer 3, the fireproof layer 4 is fixedly bonded on the outer side of the insulating protective layer 3, an elastic member 5 is bonded on the outer side of the fireproof layer 4, the elastic member 5 is uniformly bonded on the outer side of the fireproof layer 4, a rubber anticorrosive layer 6 is bonded on the outer side of the elastic member 5, a cavity 7 is formed between the fireproof layer 4 and the rubber anticorrosive layer 6, the elastic component 5 can be saved to cavity 7, and the outside of rubber anticorrosive coating 6 is equipped with outer protecting film 8, and outer protecting film 8 evenly bonds in the outside of rubber anticorrosive coating 6, is equipped with label piece 9 on the outer protecting film 8, and label piece 9 bonds on outer protecting film 8, conveniently marks the cable.
Referring to fig. 1, the insulating protective layer 3 is made of insulating rubber, which has a strong insulating effect and can fully insulate and protect the core wire 1.
Referring to fig. 1, the fireproof layer 4 is made of a magnesium oxide insulating material, which has a strong fireproof effect and can sufficiently protect the core wire 1 from fire.
Referring to fig. 1, the elastic member 5 is made of elastic rubber, which has strong elasticity and can sufficiently protect the core wire 1.
Referring to fig. 1 and 2, the outer protective film 8 is made of a mixture of weather-resistant polyethylene, polyethylene and cross-linked polyethylene, so that the weather resistance of the core wire 1 is effectively improved.
The working principle of the scheme is as follows: insulating inoxidizing coating 3 adopts insulating rubber to make, cooperation insulating silica gel 2 can carry out abundant insulation protection to heart yearn 1, flame retardant coating 4 adopts magnesium oxide insulating material to make, can carry out abundant fire protection to heart yearn 1, elastic component 5 has stronger elasticity, can carry out abundant elasticity protection to heart yearn 1, outer protecting film 8 adopts resistant weather polyethylene, the combined material of polyethylene and crosslinked polyethylene, the weatherability of heart yearn 1 has effectively been improved, can effectually protect heart yearn 1.
Claims (5)
1. An overhead cable comprising a core wire (1), characterized in that: insulating inoxidizing coating (3) have been cup jointed on heart yearn (1), be provided with insulating silica gel (2) between insulating inoxidizing coating (3) and heart yearn (1), the outside of insulating inoxidizing coating (3) is equipped with flame retardant coating (4), the outside of flame retardant coating (4) bonds elastic component (5), the outside of elastic component (5) bonds and has rubber anticorrosive coating (6), vacuole formation (7) between flame retardant coating (4) and rubber anticorrosive coating (6), the outside of rubber anticorrosive coating (6) is equipped with outer protecting film (8), be equipped with label piece (9) on outer protecting film (8).
2. An overhead cable as claimed in claim 1, wherein: the insulating protective layer (3) is made of insulating rubber.
3. An overhead cable as claimed in claim 1, wherein: the fireproof layer (4) is made of magnesium oxide insulating material.
4. An overhead cable as claimed in claim 1, wherein: the elastic piece (5) is made of elastic rubber.
5. An overhead cable as claimed in claim 1, wherein: the outer protective film (8) is made of a mixed material of weather-resistant polyethylene, polyethylene and cross-linked polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122241838.8U CN216287619U (en) | 2021-09-15 | 2021-09-15 | Overhead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122241838.8U CN216287619U (en) | 2021-09-15 | 2021-09-15 | Overhead cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216287619U true CN216287619U (en) | 2022-04-12 |
Family
ID=81064531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122241838.8U Active CN216287619U (en) | 2021-09-15 | 2021-09-15 | Overhead cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216287619U (en) |
-
2021
- 2021-09-15 CN CN202122241838.8U patent/CN216287619U/en active Active
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