CN211699820U - High-strength aluminum alloy stranded wire for electrified railway - Google Patents
High-strength aluminum alloy stranded wire for electrified railway Download PDFInfo
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- CN211699820U CN211699820U CN202020377860.8U CN202020377860U CN211699820U CN 211699820 U CN211699820 U CN 211699820U CN 202020377860 U CN202020377860 U CN 202020377860U CN 211699820 U CN211699820 U CN 211699820U
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- Prior art keywords
- copper alloy
- wire
- alloy stranded
- central
- wires
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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- Conductive Materials (AREA)
Abstract
The utility model discloses a high-strength aluminum alloy stranded wire for an electrified railway, which comprises a body, wherein the body comprises a copper alloy stranded wire positioned at the central position and six copper alloy stranded wires which are concentrically stranded by the copper alloy stranded wire positioned at the central position, and the diameters of the copper alloy stranded wires are the same; the copper alloy stranded wire comprises a central strand and six concentrically stranded copper alloy single wires with the central strand at the central position as the center, and the diameters of the central strand and the copper alloy single wires are the same; the central strand comprises one steel wire single wire positioned at the central position and six steel wire single wires surrounding the steel wire single wire positioned at the central position. The utility model adopts the above structure a high strength aluminum alloy stranded conductor for electric railway improves holistic rigidity, intensity, has guaranteed holistic fatigue strength.
Description
Technical Field
The utility model relates to a copper alloy stranded conductor technical field especially relates to a high strength aluminum alloy stranded conductor for electrified railway.
Background
Copper wires are widely used for overhead conductors, carrier cables of electrified railways and urban rail transit contact networks, lightning conductors of high buildings, grounding wires of electrical equipment and the like, but because the copper wires are too soft, the copper wires are easy to deform, hard copper stranded wires or copper alloy stranded wires are generally adopted, but at present, the price of the hard copper stranded wires or the copper alloy stranded wires is higher, and the cost is high.
Along with the development of science and technology, copper clad steel wires are produced. The copper clad steel wire is a bimetal composite material which combines the excellent conductivity and corrosion resistance of copper and the high strength of steel into a whole. When used in power engineering, such situations are often encountered: when a thinner copper-clad steel single wire is selected, the current-carrying capacity cannot meet the requirement, or the performances such as bearing capacity, fatigue strength and the like are poorer; when a thicker copper-clad steel single wire is selected, the flexibility is poor, the bending deformation is difficult, and the processing and the use of the cable are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high strength aluminum alloy stranded conductor for electrified railway improves holistic rigidity, intensity, has guaranteed holistic fatigue strength.
In order to achieve the purpose, the utility model provides a high-strength aluminum alloy stranded wire for an electrified railway, which comprises a body, wherein the body comprises a copper alloy stranded wire positioned at the central position and six copper alloy stranded wires concentrically stranded by the copper alloy stranded wire positioned at the central position, and the diameters of the copper alloy stranded wires are the same;
the copper alloy stranded wire comprises a central strand and six concentrically stranded copper alloy single wires with the central strand at the central position as the center, and the diameters of the central strand and the copper alloy single wires are the same;
the central strand comprises one steel wire single wire positioned at the central position and six steel wire single wires surrounding the steel wire single wire positioned at the central position.
Preferably, the body is sleeved with an insulating layer, each strand of the copper alloy stranded wire is also sleeved with an insulating layer, the copper alloy single wire is also sleeved with an insulating layer, and the center strand is also sleeved with an insulating layer.
Preferably, the cross sections of the copper alloy stranded wire and the central strand are circular.
Preferably, the diameter of the steel wire single wire is equal to one third of the diameter of the copper alloy single wire, and the breaking tension of the body is greater than 8.5 KN.
Therefore, the utility model adopts the above structure a high strength aluminum alloy stranded conductor for electric railway improves holistic rigidity, intensity, has guaranteed holistic fatigue strength.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic view of an embodiment of a high-strength aluminum alloy stranded wire for an electric railway according to the present invention.
Reference numerals
1. A body; 2. a copper alloy stranded wire; 3. a central strand; 4. a copper alloy single wire; 5. single wire of steel wire.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic view of an embodiment of the high-strength aluminum alloy stranded wire for the electric railway, and as shown in the figure, the high-strength aluminum alloy stranded wire for the electric railway comprises a body 1, wherein an insulating layer is sleeved outside the body 1, and the insulation of the body 1 is realized. The breaking tension of the body 1 is larger than 8.5KN, and the breaking tension of the body 1 is far larger than the requirement that the existing standard is not smaller than 5.67 KN.
The body 1 is including the six copper alloy stranded conductor 2 that are located the copper alloy stranded conductor 2 of central point position and strand with the copper alloy stranded conductor 2 concentric transposition of central point position, and the diameter homogeneous phase of copper alloy stranded conductor 2 is the same, and the structure setting of copper alloy stranded conductor 2 has realized the combination of efficient copper alloy stranded conductor, has ensured holistic ampacity and bearing capacity to guarantee its stability. An insulating layer is sleeved outside each copper alloy stranded wire 2 and used for realizing the insulation of the copper alloy stranded wires.
The copper alloy stranded wire 2 comprises a central strand 3 and six concentrically stranded copper alloy single wires 4 which take the central strand 3 at the central position as the center, the cross section of the central strand 3 is circular, and the central strand 3 is used for bearing the strength of the copper alloy stranded wire 2. The diameter of the central strand 3 is the same as that of the copper alloy single wire 4, the central strand 3 and the copper alloy single wire 4 are structurally arranged so that the weight of the copper alloy single wire 4 is uniformly distributed on the central strand 3, and the bearing capacity of the central strand 3 is efficiently utilized. The copper alloy single wire 4 is also sheathed with an insulating layer, and the central strand 3 is also sheathed with an insulating layer, so that the insulation of the copper alloy single wire 4 and the central strand 3 is realized.
The central strand 3 comprises a steel wire single line 5 positioned at the central position and six steel wire single lines 5 surrounding the steel wire single line 5 positioned at the central position, and the structure of the steel wire single lines 5 effectively improves the bearing strength of the central strand 3. The diameter of the steel wire single wire 5 is equal to one third of the diameter of the copper alloy single wire 4, so that the stability of connection of the central strand 3 and the copper alloy single wire 4 is realized, and the connection strength of the steel wire single wire is ensured.
Therefore, the utility model adopts the above structure a high strength aluminum alloy stranded conductor for electric railway improves holistic rigidity, intensity, has guaranteed holistic fatigue strength.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a high strength aluminum alloy stranded conductor for electrified railway which characterized in that: the copper alloy stranded wire comprises a body, wherein the body comprises a copper alloy stranded wire positioned at the central position and six copper alloy stranded wires which are concentrically stranded by the copper alloy stranded wire positioned at the central position, and the diameters of the copper alloy stranded wires are the same;
the copper alloy stranded wire comprises a central strand and six concentrically stranded copper alloy single wires with the central strand at the central position as the center, and the diameters of the central strand and the copper alloy single wires are the same;
the central strand comprises one steel wire single wire positioned at the central position and six steel wire single wires surrounding the steel wire single wire positioned at the central position.
2. The high-strength aluminum alloy stranded wire for the electric railway according to claim 1, characterized in that: the insulating layer is sleeved outside the body, the insulating layer is also sleeved outside each strand of the copper alloy stranded wire, the insulating layer is also sleeved outside the copper alloy single wire, and the insulating layer is also sleeved outside the central strand.
3. The high-strength aluminum alloy stranded wire for the electric railway according to claim 1, characterized in that: the cross sections of the copper alloy stranded wire and the central strand are circular.
4. The high-strength aluminum alloy stranded wire for the electric railway according to claim 1, characterized in that: the diameter of the steel wire single wire is equal to one third of that of the copper alloy single wire, and the breaking tension of the body is greater than 8.5 KN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020377860.8U CN211699820U (en) | 2020-03-23 | 2020-03-23 | High-strength aluminum alloy stranded wire for electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020377860.8U CN211699820U (en) | 2020-03-23 | 2020-03-23 | High-strength aluminum alloy stranded wire for electrified railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211699820U true CN211699820U (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020377860.8U Expired - Fee Related CN211699820U (en) | 2020-03-23 | 2020-03-23 | High-strength aluminum alloy stranded wire for electrified railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211699820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871636A (en) * | 2022-03-29 | 2022-08-09 | 哈尔滨焊接研究院有限公司 | High-strength composite aluminum alloy multi-strand stranded welding wire and stranded structure thereof |
-
2020
- 2020-03-23 CN CN202020377860.8U patent/CN211699820U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871636A (en) * | 2022-03-29 | 2022-08-09 | 哈尔滨焊接研究院有限公司 | High-strength composite aluminum alloy multi-strand stranded welding wire and stranded structure thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20210323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |