CN213583146U - Anti-ice insulated wire for electrified railway - Google Patents
Anti-ice insulated wire for electrified railway Download PDFInfo
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- CN213583146U CN213583146U CN202023190447.XU CN202023190447U CN213583146U CN 213583146 U CN213583146 U CN 213583146U CN 202023190447 U CN202023190447 U CN 202023190447U CN 213583146 U CN213583146 U CN 213583146U
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- wire
- insulating layer
- core
- ice
- sinle silk
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Abstract
The utility model discloses an anti-ice insulated wire for electric railway relates to insulated wire technical field, including the conductor sinle silk, the conductor sinle silk includes many copper wires, and many copper wires are the heliciform and twine, and the surface of conductor sinle silk is provided with the covering core, and the surface of conductor sinle silk is connected with the inner wall laminating of covering core, and the covering core includes many aluminium wires, and many aluminium wires are the heliciform and twine, and the aluminium wire sets up to fan-shaped, and the surface of covering core is provided with the insulating layer, and the surface mounting of insulating layer is provided with a plurality of first lugs, and the surface of insulating layer is provided with the outer; the utility model discloses an aluminum wire sets up to fan-shaped for it is inseparabler between the annular cross section that the aluminum wire transposition formed, effectively improves the transmission efficiency of wire, through being provided with first lug and second lug, can decompose the pressure that the wire outside received through first lug and second lug, makes the inside pressure of wire weaken, and then the compressive capacity of the wire of reinforcing.
Description
Technical Field
The utility model relates to an insulated wire technical field, in particular to anti-ice insulated wire for electric railway.
Background
Electrified railways, called electrified railways for short, refer to railways capable of supplying power to trains to run, and are named because corresponding electrified equipment needs to be matched along the lines of the railways to provide power guarantee for the trains. Electrified railways have been created with the advent of electric locomotives, which do not themselves have a power source and require a power supply system along the railway to continuously supply electric power to the electric locomotives to drive the vehicles.
At present, the outer aluminum alloy stranded wire of the existing wire is mostly provided with a round aluminum alloy wire with a round section, but after the round aluminum alloy wire is coated, gaps can be left between the round aluminum alloy wires, so that the aluminum filling coefficient in the wire is low, and the transmission efficiency of the wire is influenced. Therefore, it is necessary to provide an anti-icing insulated wire for electric railway to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti-ice insulated wire for electric railway to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-ice insulated wire for electric railway, includes the conductor sinle silk, the conductor sinle silk includes many copper wires, many the copper wire is the heliciform winding, the surface of conductor sinle silk is provided with the covering, the surface of conductor sinle silk is connected with the inner wall laminating of covering, the covering includes many aluminium wires, many the aluminium wire is the heliciform winding, the aluminium wire sets up to fan-shaped, the surface of covering is provided with the insulating layer, the external fixation of insulating layer is provided with a plurality of first lugs, the surface of insulating layer is provided with the outer protective layer, the inner wall of outer protective layer is provided with a plurality of second lugs.
Preferably, the outer surface of the core-spun core is attached to the inner wall of the insulating layer, and the first bumps are distributed in an annular array.
Preferably, a plurality of the second bumps are distributed in an annular array, and the outer protection layer is engaged with the second bumps.
Preferably, the insulating layer is made of a water tree-resistant cross-linked polyethylene material, and the outer protective layer is made of a polyamide material.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a surface at the conductor sinle silk is provided with the core-spun, and the core-spun is formed by many aluminium wires transposition, and the cross section of aluminium wire sets up to fan-shaped for it is inseparabler between the annular cross section that the cross section is fan-shaped aluminium wire transposition formation, effectively improves the transmission of electricity cross-sectional area of wire, and then has strengthened the transmission efficiency of wire;
2. the utility model discloses a surface at the insulating layer is provided with first lug, and the inboard of outer protective layer is provided with the second lug, and when the outside of wire received pressure, can be decomposed into the extrusion force between first lug and the second lug with the inside pressure of directional wire through first lug and second lug, can weaken the inside pressure of direct directional wire, and then the compressive capacity of the wire of reinforcing.
Drawings
Fig. 1 is a schematic sectional view of the overall structure of the present invention.
Fig. 2 is a schematic structural section view of the copper wire of the present invention.
Fig. 3 is a schematic side view of the copper wire structure of the present invention.
In the figure: 1. a conductor core; 11. a copper wire; 2. core-wrapping; 21. an aluminum wire; 3. an insulating layer; 4. a first bump; 5. an outer protective layer; 6. and a second bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
The utility model provides an anti-ice insulated wire for electric railway as shown in figures 1-3, which comprises a conductor core 1, the conductor core 1 comprises a plurality of copper wires 11, the plurality of copper wires 11 are spirally wound, the outer surface of the conductor core 1 is provided with a core-spun 2, the outer surface of the conductor core 1 is connected with the inner wall of the core-spun 2 in a laminating way, the core-spun 2 comprises a plurality of aluminum wires 21, the plurality of aluminum wires 21 are spirally wound, the core-spun 2 is fan-shaped, so that the annular cross section formed by the aluminum wires 21 with fan-shaped cross section in a stranding way is tighter, the transmission cross section area of the wire can be effectively improved, the transmission efficiency of the wire is further enhanced, the outer surface of the core-spun 2 is provided with an insulating layer 3, the outer surface of the core-spun 2 is connected with the inner wall of the insulating layer 3 in a laminating way, the outer, the first bumps 4 are distributed in an annular array, and the insulating layer 3 is made of a water tree resistant cross-linked polyethylene material, so that the wire can prevent water trees from being generated, the requirements of high current impact resistance, heat resistance and moisture resistance are met, and the service life of the wire can be effectively prolonged.
The outer surface of the insulating layer 3 is fixedly provided with an outer protective layer 5, the outer protective layer 5 is made of polyamide materials, so that the wire has heat resistance, wear resistance, chemical resistance and self-lubrication, the friction coefficient is low, ice is not easy to attach to the wire, phenomena of tripping, wire breaking and the like of an electrified railway power supply circuit caused by wire burning, burning and the like due to the ice can be effectively reduced, the inner wall of the outer protective layer 5 is provided with a plurality of second lugs 6, the second lugs 6 are distributed in an annular array mode, the second lugs 6 are arranged in a square mode, the outer protective layer 5 is meshed with the second lugs 6, when the outside of the wire is subjected to pressure, the pressure pointing to the inside of the wire can be decomposed into extrusion force between the first lugs 4 and the second lugs 6, the pressure pointing to the inside of the wire can be directly weakened, and the pressure resistance of the wire is further enhanced.
The utility model discloses the theory of operation:
the device can effectively transmit power through the copper wires 11, the aluminum wires 21 are arranged in a fan shape, so that the annular cross sections formed by twisting the aluminum wires 21 with the fan-shaped cross sections are tighter, the power transmission cross section area of the wire can be effectively improved, the transmission efficiency of the wire is enhanced, the wire is made of the water tree resistant cross-linked polyethylene material through the insulating layer 3, the water tree is prevented from being generated, the requirements of high current impact resistance, heat resistance and humidity resistance are met, and the service life of the wire can be effectively prolonged;
the pressure borne by the wire can be effectively reduced through the first bump 4 and the second bump 6, so that the conductive pressure resistance is enhanced, the wire is made of a polyamide material through the outer protective layer 5, the wire has heat resistance, wear resistance, chemical resistance and self-lubrication, the friction coefficient is low, ice is not easy to adhere to the wire, and the phenomena of tripping, wire breakage and the like of a power supply circuit of an electrified railway caused by wire burning, burning erosion and the like caused by the ice can be effectively reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The utility model provides an anti-ice insulated wire for electrified railway, includes conductor core (1), its characterized in that: conductor sinle silk (1) includes many copper wires (11), many copper wire (11) are the heliciform winding, the surface of conductor sinle silk (1) is provided with covering core (2), the surface of conductor sinle silk (1) is connected with the inner wall laminating of covering core (2), covering core (2) are including many aluminium wires (21), many aluminium wire (21) are the heliciform winding, aluminium wire (21) set up to fan-shaped, the surface of covering core (2) is provided with insulating layer (3), the external fixation of insulating layer (3) is provided with a plurality of first lugs (4), the surface of insulating layer (3) is provided with outer protective layer (5), the inner wall of outer protective layer (5) is provided with a plurality of second lugs (6).
2. The ice-resistant insulated wire for an electric railway according to claim 1, characterized in that: the outer surface of the core-spun core (2) is attached to the inner wall of the insulating layer (3), and the first bumps (4) are distributed in an annular array.
3. The ice-resistant insulated wire for an electric railway according to claim 2, characterized in that: the second bumps (6) are distributed in an annular array, and the outer protection layer (5) is meshed with the second bumps (6).
4. The ice-resistant insulated wire for an electric railway according to claim 3, characterized in that: the insulating layer (3) is made of a water tree resistant cross-linked polyethylene material, and the outer protective layer (5) is made of a polyamide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023190447.XU CN213583146U (en) | 2020-12-26 | 2020-12-26 | Anti-ice insulated wire for electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023190447.XU CN213583146U (en) | 2020-12-26 | 2020-12-26 | Anti-ice insulated wire for electrified railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583146U true CN213583146U (en) | 2021-06-29 |
Family
ID=76552847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023190447.XU Active CN213583146U (en) | 2020-12-26 | 2020-12-26 | Anti-ice insulated wire for electrified railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213583146U (en) |
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2020
- 2020-12-26 CN CN202023190447.XU patent/CN213583146U/en active Active
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