CN220962883U - High-conductivity steel-cored aluminum stranded wire cable - Google Patents
High-conductivity steel-cored aluminum stranded wire cable Download PDFInfo
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- CN220962883U CN220962883U CN202322578112.2U CN202322578112U CN220962883U CN 220962883 U CN220962883 U CN 220962883U CN 202322578112 U CN202322578112 U CN 202322578112U CN 220962883 U CN220962883 U CN 220962883U
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- layer
- steel
- steel core
- stranded wire
- aluminum
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 84
- 239000010410 layer Substances 0.000 claims abstract description 106
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 239000012792 core layer Substances 0.000 claims abstract description 47
- 239000004411 aluminium Substances 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 230000017105 transposition Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Non-Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables and discloses a high-conductivity steel-cored aluminum stranded wire cable which comprises a steel core layer, wherein the steel core layer is two layers, the steel core layer comprises a plurality of steel cores, filling ropes are arranged in gaps among the steel cores, the steel cores are in parallel arrangement, a first wrapping layer is wrapped on the surface of the steel core layer, an aluminum stranded wire layer is wrapped on the surface of the first wrapping layer, the aluminum stranded wire layer is formed by stranding a plurality of aluminum wires, a second wrapping layer is wrapped on the surface of the aluminum stranded wire layer, and an insulating layer is wrapped on the surface of the second wrapping layer. According to the utility model, the steel core layer, the aluminum stranded wire layer, the first wrapping layer and the filling rope are arranged, the gaps among the plurality of steel cores of the steel core layer are filled by the filling rope, the steel core layer and the aluminum stranded wire layer are isolated by the first wrapping layer, and when the cable is bent, abrasion is not generated between the aluminum stranded wire layer and the steel core of the steel core layer, so that the service life of the cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-conductivity steel-cored aluminum stranded wire cable.
Background
The steel-cored aluminum strand refers to a reinforced type wire in which a single layer or multiple layers of aluminum strands are stranded outside a galvanized steel core wire. The method is mainly applied to the industries of electric power and transmission lines. The inside of the steel core is a steel core, the outside of the steel core is wound around the steel core in a twisting mode by aluminum wires, the steel core mainly plays a role in increasing strength, and the aluminum wires mainly play a role in transmitting electric energy. The steel-cored aluminum strand has the advantages of simple structure, convenient erection, convenient maintenance and the like, and has low line cost and large transmission capacity. However, the existing steel-cored aluminum stranded wire cable still has the following defects:
1. Because the steel core in the middle of the steel-cored aluminum stranded wire is supported by a single thicker steel core, the aluminum stranded wire stranded on the outer surface of the steel-cored aluminum stranded wire is stranded by thicker aluminum wires, so that the strength of the cable is ensured, but the bending resistance is very low, and the cable is not easy to bend when the cable is erected and needs to be bent;
2. In the existing steel-cored aluminum stranded wire cable, the external aluminum stranded wire is in direct contact with the internal steel core, so that friction is generated between the aluminum stranded wire and the steel core in the bending process of the cable, and abrasion is easily generated between the contacted aluminum stranded wire and the steel core;
3. Because the surface of the steel-cored aluminum stranded wire cable is only wrapped with one insulating layer, the shock resistance and the extrusion resistance of the coiled cable are lower in the transportation process, and when the coiled cable is extruded, the internal aluminum stranded wire can slightly deform, so that the erection of the cable is affected.
The utility model therefore proposes a high conductivity steel-cored aluminum stranded cable against the above drawbacks.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a high-conductivity steel-cored aluminum stranded wire cable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high conductivity steel core aluminium stranded conductor cable, includes the steel core layer, and the steel core layer is two-layer, the steel core layer includes many steel cores, many be provided with the filling rope in the gap between the steel cores, and many steel cores are parallel arrangement design, steel core layer surface parcel has first parcel layer, first parcel layer surface parcel has the aluminium stranded conductor layer, the aluminium stranded conductor layer is formed by a plurality of aluminium wire transposition, aluminium stranded conductor layer surface parcel has the second parcel layer, second parcel layer surface parcel has the insulating layer, form annular buffer chamber between insulating layer and the second parcel layer, buffer chamber inside fixedly connected with a plurality of buffer wires.
As a further description of the above technical solution:
the diameter of the steel core layer is smaller than 5mm.
As a further description of the above technical solution:
The aluminum wire diameter of the aluminum stranded wire layer is smaller than 3mm, and the aluminum stranded wire layer is at least three layers.
As a further description of the above technical solution:
The first wrapping layer and the second wrapping layer are made of mesh cloth materials, and mesh cloth of the first wrapping layer and the second wrapping layer is respectively wound on the surfaces of the steel core layer and the aluminum stranded wire layer in a winding mode.
As a further description of the above technical solution:
The buffer wires are made of crosslinked polyethylene materials, and the inside of each buffer wire is hollow.
As a further description of the above technical solution:
and the buffer lines are parallel to the steel core of the steel core layer.
As a further description of the above technical solution:
The insulating layer is made of crosslinked polyethylene material, and the thickness of the insulating layer is larger than 7mm.
The utility model has the following beneficial effects:
1. According to the utility model, the steel core layer, the aluminum stranded wire layer, the first wrapping layer and the filling rope are arranged, the gaps among the plurality of steel cores of the steel core layer are filled by the filling rope, the steel core layer and the aluminum stranded wire layer are isolated by the first wrapping layer, and when the cable is bent, abrasion is not generated between the aluminum stranded wire layer and the steel core of the steel core layer, so that the service life of the cable is prolonged.
2. According to the utility model, the steel core layer and the aluminum stranded wire layer are arranged, the aluminum stranded wire layer is at least three layers, the aluminum wire diameter of the aluminum stranded wire layer is reduced, the steel core layer is two layers, and meanwhile, the steel core diameter of the steel core layer is reduced, the steel cores of the steel core layer are not stranded, but are arranged in series, and the filling ropes are matched, so that the bending space of the steel core layer is larger, and the bending resistance of the whole cable is improved.
3. According to the utility model, the insulation layer, the buffer cavity and the buffer wire are arranged, the buffer wire is a rubber wire with a hollow inner part, and when the outer part of the insulation layer is collided or extruded, the buffer wire can play a role in buffering and absorbing energy in the buffer cavity, so that the inner aluminum stranded wire layer and the steel core layer are protected, and the buffer layer can also provide a bending space for bending of a cable.
Drawings
FIG. 1 is an overall cross-sectional view of a high conductivity steel-cored aluminum strand cable according to the present utility model;
Fig. 2 is a steel core perspective view of a high-conductivity steel-core aluminum stranded wire cable according to the present utility model;
Fig. 3 is a perspective view of a buffer wire of the high-conductivity steel-cored aluminum stranded wire cable.
Legend description:
1. A steel core layer; 2. a first wrapping layer; 3. a filling rope; 4. an aluminum stranded wire layer; 5. a second wrapping layer; 6. an insulating layer; 7. a buffer chamber; 8. buffer line.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a high conductivity steel core aluminium stranded conductor cable, including steel core layer 1, and steel core layer 1 is two-layer, steel core layer 1 includes many steel cores, be provided with the filling rope 3 in the gap between many steel cores, and many steel cores are parallel arrangement design, steel core layer 1 surface parcel has first parcel layer 2, the parcel of first parcel layer 2 surface has aluminium stranded conductor layer 4, aluminium stranded conductor layer 4 is formed by a plurality of aluminium wire transposition, aluminium stranded conductor layer 4 surface parcel has second parcel layer 5, second parcel layer 5 surface parcel has insulating layer 6, form annular buffer chamber 7 between insulating layer 6 and the second parcel layer 5, buffer chamber 7 inside fixedly connected with a plurality of buffer wires 8.
The steel cores of the steel core layer 1 are arranged in parallel, and are not twisted, so that a bending space exists between the steel cores when the steel cores are bent, and the bending resistance of the cable is improved.
The diameter of the steel core layer 1 is smaller than 5mm.
Compared with the existing single steel core, the steel core layer 1 in the embodiment adopts a plurality of thinner steel cores to form the steel core layer 1 in a cohesion mode, so that the steel core layer 1 can play a supporting role and simultaneously can be folded while the space allowance between the steel cores can be ensured.
The aluminum wire diameter of the aluminum stranded wire layer 4 is smaller than 3mm, and the aluminum stranded wire layer 4 is at least three layers.
Compared with the aluminum wires in the existing steel-cored aluminum stranded wire cable, the aluminum wires in the embodiment are thinner, and the number of layers is more, so that the cross-sectional area of the aluminum wires can be kept unchanged by the multi-layer aluminum stranded wire layer 4, high conductivity of the cable can be guaranteed, and better bending performance can be realized by the thinner aluminum wires.
The first wrapping layer 2 and the second wrapping layer 5 are made of mesh cloth, and the mesh cloth of the first wrapping layer 2 and the second wrapping layer 5 is respectively wound on the surfaces of the steel core layer 1 and the aluminum stranded wire layer 4 in a winding mode.
The steel core layer 1 and the aluminum stranded wire layer 4 can be wrapped by arranging the first wrapping layer 2 and the second wrapping layer 5, so that a plurality of steel cores of the steel core layer 1 and the aluminum wires after stranding can be more compact.
The buffer wires 8 are made of crosslinked polyethylene material, and the inside of the buffer wires 8 is hollow. The buffer lines 8 are parallel to the steel core of the steel core layer 1.
Because the buffer wire 8 is made of rubber materials, a hollow cavity is formed in the buffer wire, and when the insulating layer 6 is impacted and extruded, the buffer wire 8 can absorb energy and buffer, so that the steel core layer 1 and the aluminum stranded wire layer 4 in the buffer wire are protected.
The insulating layer 6 is made of crosslinked polyethylene material, and the thickness of the insulating layer 6 is larger than 7mm. The insulating layer 6 serves as insulation at the outermost part and as protection for the inner aluminum strand layer 4.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a high conductivity steel-cored aluminum stranded conductor cable which characterized in that: including steel core layer (1), and steel core layer (1) are two-layer, steel core layer (1) is including many steel cores, many be provided with in the gap between the steel cores and fill rope (3), and many steel cores are parallel arrangement design, steel core layer (1) surface parcel has first parcel layer (2), first parcel layer (2) surface parcel has aluminium stranded conductor layer (4), aluminium stranded conductor layer (4) are formed by a plurality of aluminium wire transposition, aluminium stranded conductor layer (4) surface parcel has second parcel layer (5), second parcel layer (5) surface parcel has insulating layer (6), form annular buffer chamber (7) between insulating layer (6) and second parcel layer (5), buffer chamber (7) inside fixedly connected with a plurality of buffer wires (8).
2. A high conductivity steel-cored aluminum strand cable in accordance with claim 1, wherein: the diameter of the steel core layer (1) is smaller than 5mm.
3. A high conductivity steel-cored aluminum strand cable in accordance with claim 1, wherein: the diameter of the aluminum wires of the aluminum stranded wire layer (4) is smaller than 3mm, and the aluminum stranded wire layer (4) is at least three layers.
4. A high conductivity steel-cored aluminum strand cable in accordance with claim 1, wherein: the first wrapping layer (2) and the second wrapping layer (5) are made of mesh cloth materials, and mesh cloth of the first wrapping layer (2) and the second wrapping layer (5) is respectively wound on the surfaces of the steel core layer (1) and the aluminum stranded wire layer (4) in a winding mode.
5. A high conductivity steel-cored aluminum strand cable in accordance with claim 1, wherein: the buffer wires (8) are made of crosslinked polyethylene materials, and the inside of each buffer wire (8) is hollow.
6. A high conductivity steel-cored aluminum strand cable in accordance with claim 1, wherein: the buffer wires (8) are parallel to the steel core of the steel core layer (1).
7. A high conductivity steel-cored aluminum strand cable in accordance with claim 1, wherein: the insulating layer (6) is made of crosslinked polyethylene material, and the thickness of the insulating layer (6) is larger than 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322578112.2U CN220962883U (en) | 2023-09-22 | 2023-09-22 | High-conductivity steel-cored aluminum stranded wire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322578112.2U CN220962883U (en) | 2023-09-22 | 2023-09-22 | High-conductivity steel-cored aluminum stranded wire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962883U true CN220962883U (en) | 2024-05-14 |
Family
ID=90974004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322578112.2U Active CN220962883U (en) | 2023-09-22 | 2023-09-22 | High-conductivity steel-cored aluminum stranded wire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220962883U (en) |
-
2023
- 2023-09-22 CN CN202322578112.2U patent/CN220962883U/en active Active
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