CN208315245U - A kind of improvement flame retardant type aerial insulated cable - Google Patents
A kind of improvement flame retardant type aerial insulated cable Download PDFInfo
- Publication number
- CN208315245U CN208315245U CN201820865604.6U CN201820865604U CN208315245U CN 208315245 U CN208315245 U CN 208315245U CN 201820865604 U CN201820865604 U CN 201820865604U CN 208315245 U CN208315245 U CN 208315245U
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- fire
- retardant
- sheath
- outside
- retardant set
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Abstract
The utility model relates to a kind of improvement flame retardant type aerial insulated cables, including core, insulation sleeve is provided with outside the core, fire-retardant set is provided with outside the insulation sleeve, the fire-retardant set is made of silicon rubber, sheath is provided with outside the fire-retardant set, wear-resistant sleeve is provided with outside the sheath, the outer wall setting of the fire-retardant set is jagged, the notch is multiple along the outer wall circumferential direction interval setting of fire-retardant set, reinforcement steel wire is provided in the notch, the fire-retardant set that above-mentioned cable includes can effectively improve fireproofing of cable high temperature resistance, and the outer wall setting of above-mentioned fire-retardant set is jagged, notch is multiple along the outer wall circumferential direction interval setting of fire-retardant set, reinforcement steel wire is provided in notch, so as to effectively improve the performance for ensuring cable under real use state, ensure the tensile strength of cable.
Description
Technical field
The utility model relates to Power-line technology fields, and in particular to a kind of improvement flame retardant type aerial insulated cable.
Background technique
Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, by electric power or information from one
Place is transferred to the conducting wire at another place.Cable is usually the similar rope that by several or several groups of conducting wires (every group at least two) are twisted
The cable of rope, mutually insulated between every group of conducting wire, and be often twisted into around a center, entire outside is surrounded by covering for high-insulation
Cap rock.Cable has interior energization, the feature of external insulation.
Aerial cable makes the aerial condutor equipped with insulating layer and protective layer, and insulating layer can be using plastics or rubber etc., modeling
The material common material of insulating layer has polyvinyl chloride, polyethylene, crosslinked polyethylene, has structure simple, manufactures easy to process, weight
Gently, facilitate the advantages of laying, be widely used in low midium voltage cable, crosslinked polyethylene is by cross-linking modified polyethylene, more
The features such as high temperature tolerance and resistance to cracking, wherein the block-water performance of polyethylene is superior to polyvinyl chloride, and cable is in high temperature, height
It is easy to lead to the problem of electricity under thermal environment and catch fire.
Utility model content
The purpose of this utility model is: providing a kind of improvement flame retardant type aerial insulated cable, it is ensured that while cable strength,
Improve the flame retardant property of cable.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of improvement flame retardant type aerial insulated cable, including core, the core are provided with insulation sleeve, the insulation sleeve outside
It is provided with fire-retardant set outside, the fire-retardant set is made of silicon rubber, and sheath is provided with outside the fire-retardant set, is provided with outside the sheath
The outer wall setting of wear-resistant sleeve, the fire-retardant set is jagged, and the notch is more along the outer wall circumferential direction interval setting of fire-retardant set
It is a, reinforcement steel wire is provided in the notch.
The utility model also includes the following features:
Steel wire is reinforced at the center that is provided centrally with of the core, and the center is reinforced being provided with protective case outside steel wire.
Supporting steel wire is provided in the core, the supporting steel wire is arranged more along the circumferential direction interval of core.
The fire-retardant set and sheath gap arrange that the gap setting between the fire-retardant set and sheath has filling to restrict, described
Filling rope is provided at circumferentially spaced more along fire-retardant set and sheath gap.
The wall thickness of the fire-retardant set is 2-4mm.
The sheath is made of polyvinyl chloride, and the wall thickness of the sheath is 2-4mm.
The wear-resistant sleeve is made of wear-resisting rubber, and the wall thickness of the wear-resistant sleeve is 2-4mm.
Compared with prior art, the technical effect that the utility model has are as follows: the fire-retardant set that above-mentioned cable includes can
Fireproofing of cable high temperature resistance is effectively improved, and the outer wall setting of above-mentioned fire-retardant set is jagged, notch is along fire-retardant set
Outer wall circumferential direction interval setting it is multiple, reinforcement steel wire is provided in notch, ensures cable in reality so as to effectively improve
Performance under the use state of border, it is ensured that the tensile strength of cable.
Detailed description of the invention
Fig. 1 is the schematic cross-section for improving flame retardant type aerial insulated cable；
Fig. 2 is the cross section structure schematic diagram of fire-retardant set.
Specific embodiment
Below with reference to Fig. 1 and Fig. 2, this improvement flame retardant type aerial insulated cable is described in further detail:
A kind of improvement flame retardant type aerial insulated cable, including core 10, the core 10 is provided with insulation sleeve 20 outside, described
It is provided with fire-retardant set 30 outside insulation sleeve 20, the fire-retardant set 30 is made of silicon rubber, it is provided with sheath 40 outside the fire-retardant set 30,
It is provided with wear-resistant sleeve 50 outside the sheath 40, the outer wall setting jagged 31 of the fire-retardant set 30, the notch 31 is along fire-retardant
The outer wall circumferential direction interval setting of set 30 is multiple, is provided in the notch 31 and reinforces steel wire 60；
The fire-retardant set 30 that above-mentioned cable includes can effectively improve fireproofing of cable high temperature resistance, and above-mentioned resistance
Multiple, notch 31 is arranged along the outer wall circumferential direction interval of fire-retardant set 30 in the outer wall setting jagged 31 of combustion set 30, notch 31
It is inside provided with and reinforces steel wire 60, so as to effectively improve the performance for ensuring cable under real use state, it is ensured that cable
Tensile strength.
It as a preferred embodiment of the present invention, is the tensile strength for further increasing cable, the center of the core 10
It is provided with center and reinforces steel wire 11, the center is reinforced being provided with protective case 12 outside steel wire 11.
Further, be provided with supporting steel wire 13 in the core 10, the supporting steel wire 13 along core 10 week
It is arranged more to direction interval.
For the tensile strength for further increasing cable, the fire-retardant set 30 is arranged with 40 gap of sheath, the fire-retardant set 30
Gap setting between sheath 40 has filling rope 70, and the filling rope 70 is circumferentially-spaced along fire-retardant set 30 and 40 gap of sheath
It is arranged more.
Preferably, the wall thickness of the fire-retardant set 30 is 2-4mm.
Preferably, the sheath 40 is made of polyvinyl chloride, and the wall thickness of the sheath 40 is 2-4mm.
Preferably, the wear-resistant sleeve 50 is made of wear-resisting rubber, and the wall thickness of the wear-resistant sleeve 50 is 2-4mm.
It, can be real in other specific forms and without departing substantially from the spirit or essential attributes of the utility model
Existing the utility model.Therefore, it in all respects, the embodiments should be taken as exemplary, and is non-limited
, scope of this utility model is limited by the appended claims rather than the above description, it is intended that claim will be fallen in
All changes in the meaning and scope of equivalency are embraced therein.It should not be by any attached drawing in claim
Label is construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of improvement flame retardant type aerial insulated cable, it is characterised in that: including core (10), be provided with outside the core (10)
Insulation sleeve (20), the insulation sleeve (20) are provided with fire-retardant set (30) outside, and the fire-retardant set (30) is made of silicon rubber, the resistance
It is provided with sheath (40), is provided with wear-resistant sleeve (50) outside the sheath (40), the outer wall of the fire-retardant set (30) outside combustion set (30)
It is arranged jagged (31), multiple, the notch is arranged along the outer wall circumferential direction interval of fire-retardant set (30) in the notch (31)
(31) it is provided in and reinforces steel wire (60).
2. improvement flame retardant type aerial insulated cable according to claim 1, it is characterised in that: the center of the core (10)
It is provided with center and reinforces steel wire (11), the center is reinforced being provided with protective case (12) outside steel wire (11).
3. improvement flame retardant type aerial insulated cable according to claim 2, it is characterised in that: setting in the core (10)
Have supporting steel wire (13), the supporting steel wire (13) is arranged more along the circumferential direction interval of core (10).
4. improvement flame retardant type aerial insulated cable according to claim 1, it is characterised in that: the fire-retardant set (30) and shield
(40) gap arrangement is covered, the gap setting between the fire-retardant set (30) and sheath (40) has filling rope (70), the filling rope
(70) more are provided at circumferentially spaced along fire-retardant set (30) and sheath (40) gap.
5. improvement flame retardant type aerial insulated cable according to claim 1, it is characterised in that: the wall of the fire-retardant set (30)
Thickness is 2-4mm.
6. improvement flame retardant type aerial insulated cable according to claim 1, it is characterised in that: the sheath (40) is by polychlorostyrene
Ethylene is made, and the wall thickness of the sheath (40) is 2-4mm.
7. improvement flame retardant type aerial insulated cable according to claim 1, it is characterised in that: the wear-resistant sleeve (50) is by resistance to
Mill rubber is made, and the wall thickness of the wear-resistant sleeve (50) is 2-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865604.6U CN208315245U (en) | 2018-06-06 | 2018-06-06 | A kind of improvement flame retardant type aerial insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865604.6U CN208315245U (en) | 2018-06-06 | 2018-06-06 | A kind of improvement flame retardant type aerial insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208315245U true CN208315245U (en) | 2019-01-01 |
Family
ID=64709600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820865604.6U Expired - Fee Related CN208315245U (en) | 2018-06-06 | 2018-06-06 | A kind of improvement flame retardant type aerial insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208315245U (en) |
-
2018
- 2018-06-06 CN CN201820865604.6U patent/CN208315245U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210606 |