CN216623857U - Extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire - Google Patents
Extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire Download PDFInfo
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- CN216623857U CN216623857U CN202123340406.9U CN202123340406U CN216623857U CN 216623857 U CN216623857 U CN 216623857U CN 202123340406 U CN202123340406 U CN 202123340406U CN 216623857 U CN216623857 U CN 216623857U
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- aluminum alloy
- resistant aluminum
- strength heat
- steel core
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 67
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 239000010410 layer Substances 0.000 claims abstract description 51
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000012792 core layer Substances 0.000 claims abstract description 17
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 4
- 239000008397 galvanized steel Substances 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 230000009466 transformation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to an extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire which comprises a central extra-strong steel core, wherein a plurality of extra-strong steel core layers are spirally wound outside the central extra-strong steel core, a plurality of high-strength heat-resistant aluminum alloy conductor layers are spirally wound outside the extra-strong steel core, the spiral winding directions of two adjacent layers of the extra-strong steel core layers and the high-strength heat-resistant aluminum alloy conductor layers from inside to outside are opposite, and the central extra-strong steel core and the extra-strong steel core layers both adopt 19/2.32-G4A galvanized steel wires. The utility model has the advantages of good tensile strength, large transmission capacity, large tension-weight ratio, good corrosion resistance, good creep property, good safety performance, strong current-carrying capacity and reduced construction cost.
Description
Technical Field
The utility model relates to an aluminum alloy stranded wire, in particular to an aluminum alloy stranded wire with a steel core.
Background
The cable conductor is widely applied to power transmission lines, especially overhead high-voltage power transmission lines. For a cable used for an overhead high-voltage transmission line, the cable is required to have not only good conductivity but also high tensile strength. At present, a common cable is an aluminum alloy stranded wire, but the tensile strength of the single aluminum alloy stranded wire is not enough, and the cable is easily broken under the influence of natural disasters.
Disclosure of Invention
The utility model aims to: the utility model aims to overcome the defects in the prior art and provide the ultra-strong steel core high-strength heat-resistant aluminum alloy stranded wire which has the advantages of good tensile strength, large transmission capacity, large tension force, large draw-weight ratio, good corrosion resistance, good creep property, good safety performance, strong current carrying capacity and low engineering cost.
The technical scheme is as follows: in order to solve the technical problems, the super-strong steel core high-strength heat-resistant aluminum alloy stranded wire comprises a central super-strong steel core, wherein a plurality of layers of super-strong steel core layers are spirally wound outside the central super-strong steel core, a plurality of layers of high-strength heat-resistant aluminum alloy conductor layers are spirally wound outside the super-strong steel core, the spiral winding directions of two adjacent layers of the super-strong steel core layer and the high-strength heat-resistant aluminum alloy conductor layers from inside to outside are opposite, and the central super-strong steel core and the super-strong steel core layers are both made of 19/2.32-G4A galvanized steel wires.
Furthermore, the high-strength heat-resistant aluminum alloy conductor layer is a high-strength heat-resistant aluminum alloy conductor layer, the high-strength heat-resistant aluminum alloy conductor layer is 54/3.87-58% of IACS (International Annealed copper standard) high-strength heat-resistant aluminum alloy wires, and the ratio of the pitch to the diameter of the outer conductor layer in each high-strength heat-resistant aluminum alloy conductor layer is smaller than that of the adjacent inner conductor layer.
Furthermore, the high-strength heat-resistant aluminum alloy conductor layer is made of high-strength heat-resistant aluminum alloy guide block layers, and each high-strength heat-resistant aluminum alloy guide block layer is composed of Z-shaped guide blocks.
Furthermore, the high-strength heat-resistant aluminum alloy conductor layer is formed by adjacently arranging a high-strength heat-resistant aluminum alloy conductor layer and a high-strength heat-resistant aluminum alloy guide block layer, the high-strength heat-resistant aluminum alloy conductor layer is formed by 54/3.87-58% of IACS (inter-integrated circuit system) high-strength heat-resistant aluminum alloy wires, and the high-strength heat-resistant aluminum alloy guide block layer is formed by Z-shaped guide blocks.
Furthermore, two extra-strong steel core layers and three high-strength heat-resistant aluminum alloy conductor layers are arranged outside the central extra-strong steel core.
The conductivity of the conductor reaches 58.0 percent IACS at 20 ℃.
Has the advantages that: compared with the prior art, the utility model has the following remarkable advantages: the utility model has reasonable integral structure arrangement, is formed by twisting an extra-high strength steel wire and a high-strength heat-resistant aluminum alloy wire, is originated both at home and abroad, and compared with a steel-cored aluminum strand with a uniform section, the breaking force of the extra-high strength heat-resistant aluminum alloy wire is improved by 48.2 percent, the weight is increased by more than 0.82 percent, the pulling-weight ratio is increased by 30.6 percent, the sag is reduced, the using amount of a pole tower is reduced, the construction cost is reduced, the current-carrying capacity is 1.95 times that of the steel-cored aluminum strand with the same specification, the transmission capacity is higher, the cost is calculated according to the transmission capacity, the transmission cost of the steel-cored aluminum strand is 14.9 yuan/A, the transmission cost of the extra-high strength heat-resistant aluminum alloy wire is 9.6 yuan/A, the transmission cost is reduced by 35.5 percent compared with the steel-cored aluminum strand, the extra-high strength heat-resistant aluminum alloy wire is a heat-resistant aluminum alloy series wire in capacity-increasing and reforming large-span transmission engineering, and is limited by land resources along with economic development at present, the capacity-increasing transformation line engineering is more and more, so the capacity-increasing transformation large-span lines are also gradually increased, the market prospect is good, the product is successfully applied to the river-included large-span section of the capacity-increasing transformation engineering of the 220kV line, and the technology and the economic benefit are obvious and the application prospect is wide.
Drawings
FIG. 1 is a schematic cross-sectional view of a central extra-strong steel core, an extra-strong steel core layer and a high-strength heat-resistant aluminum alloy wire layer according to the present invention.
Detailed Description
The utility model is further described below with reference to the figures and examples.
As shown in fig. 1, the ultra-strong steel core high-strength heat-resistant aluminum alloy stranded wire provided by the utility model comprises a central ultra-strong steel core 1, two ultra-strong steel core layers 2 are spirally wound outside the central ultra-strong steel core 1, three high-strength heat-resistant aluminum alloy wire layers 3 are spirally wound outside the ultra-strong steel core layers 2, the spirally winding directions of two adjacent layers of the ultra-strong steel core layers 2 and the high-strength heat-resistant aluminum alloy wire layers 3 are opposite, the central ultra-strong steel core 1 and the ultra-strong steel core layers 2 are both formed by 19/2.32-G4A galvanized steel wires, the high-strength heat-resistant aluminum alloy wire layers 3 are formed by 54/3.87-58% of IACS high-strength heat-resistant aluminum alloy wires, and the ratio of the pitch to the diameter of the outer wire layer in each high-strength heat-resistant aluminum alloy wire layer 3 is smaller than the ratio of the pitch to the diameter of the adjacent inner wire layer.
The utility model has reasonable integral structure arrangement, is formed by twisting an extra-high strength steel wire and a high-strength heat-resistant aluminum alloy wire, is originated both at home and abroad, and compared with a steel-cored aluminum strand with a uniform section, the breaking force of the extra-high strength heat-resistant aluminum alloy wire is improved by 48.2 percent, the weight is increased by more than 0.82 percent, the pulling-weight ratio is increased by 30.6 percent, the sag is reduced, the using amount of a pole tower is reduced, the construction cost is reduced, the current-carrying capacity is 1.95 times that of the steel-cored aluminum strand with the same specification, the transmission capacity is higher, the cost is calculated according to the transmission capacity, the transmission cost of the steel-cored aluminum strand is 14.9 yuan/A, the transmission cost of the extra-high strength heat-resistant aluminum alloy wire is 9.6 yuan/A, the transmission cost is reduced by 35.5 percent compared with the steel-cored aluminum strand, the extra-high strength heat-resistant aluminum alloy wire is a heat-resistant aluminum alloy series wire in capacity-increasing and reforming large-span transmission engineering, and is limited by land resources along with economic development at present, the capacity-increasing transformation line engineering is more and more, so the capacity-increasing transformation large-span lines are also gradually increased, the market prospect is good, the product is successfully applied to the river-included large-span section of the capacity-increasing transformation engineering of the 220kV line, and the technology and the economic benefit are obvious and the application prospect is wide.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (5)
1. Super strong steel core heat-resisting aluminum alloy stranded conductor that excels in, its characterized in that: the special-strength steel wire comprises a central special-strength steel core (1), wherein a plurality of layers of special-strength steel core layers (2) are spirally wound outside the central special-strength steel core (1), a plurality of layers of high-strength heat-resistant aluminum alloy conductor layers are spirally wound outside the special-strength steel core layers (2), the directions of spiral winding of the special-strength steel core layers (2) and the two adjacent layers of high-strength heat-resistant aluminum alloy conductor layers from inside to outside are opposite, and 19/2.32-G4A galvanized steel wires are adopted for the central special-strength steel core (1) and the special-strength steel core layers (2).
2. An extra-strong steel-cored high-strength heat-resistant aluminum alloy stranded wire according to claim 1, wherein: the high-strength heat-resistant aluminum alloy conductor layer is a high-strength heat-resistant aluminum alloy conductor layer (3), the high-strength heat-resistant aluminum alloy conductor layer (3) is 54/3.87-58% of IACS (International Annealed copper standard) high-strength heat-resistant aluminum alloy wires, and the ratio of the pitch to the diameter of the outer conductor layer in each high-strength heat-resistant aluminum alloy conductor layer (3) is smaller than that of the adjacent inner conductor layer.
3. An extra-strong steel-cored high-strength heat-resistant aluminum alloy stranded wire according to claim 1, wherein: the high-strength heat-resistant aluminum alloy conductor layer is made of high-strength heat-resistant aluminum alloy guide block layers, and each high-strength heat-resistant aluminum alloy guide block layer is composed of Z-shaped guide blocks.
4. An extra-strong steel-cored high-strength heat-resistant aluminum alloy stranded wire according to claim 1, wherein: the high-strength heat-resistant aluminum alloy conductor layer is formed by adjacently arranging a high-strength heat-resistant aluminum alloy conductor layer (3) and a high-strength heat-resistant aluminum alloy guide block layer, the high-strength heat-resistant aluminum alloy conductor layer (3) is formed by 54/3.87-58% of IACS high-strength heat-resistant aluminum alloy wires, and the high-strength heat-resistant aluminum alloy guide block layer is formed by Z-shaped guide blocks.
5. An extra-strong steel-cored high-strength heat-resistant aluminum alloy stranded wire according to claim 1, wherein: and two extra-strong steel core layers (2) and three high-strength heat-resistant aluminum alloy conductor layers are arranged outside the central extra-strong steel core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340406.9U CN216623857U (en) | 2021-12-29 | 2021-12-29 | Extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340406.9U CN216623857U (en) | 2021-12-29 | 2021-12-29 | Extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216623857U true CN216623857U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123340406.9U Active CN216623857U (en) | 2021-12-29 | 2021-12-29 | Extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216623857U (en) |
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2021
- 2021-12-29 CN CN202123340406.9U patent/CN216623857U/en active Active
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Address after: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Bao'an Cable Co.,Ltd. Address before: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU BAOAN CABLE Co.,Ltd. |