CN112863735A - Extra-high voltage steel-cored aluminum stranded wire - Google Patents
Extra-high voltage steel-cored aluminum stranded wire Download PDFInfo
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- CN112863735A CN112863735A CN202110033414.4A CN202110033414A CN112863735A CN 112863735 A CN112863735 A CN 112863735A CN 202110033414 A CN202110033414 A CN 202110033414A CN 112863735 A CN112863735 A CN 112863735A
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- steel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
Abstract
The invention relates to the technical field of steel-cored aluminum strands, and discloses an extra-high voltage steel-cored aluminum strand which comprises a steel core, wherein a plurality of layers of steel strands which are mutually attached are attached and wound outside the steel core, a layer of spirally-distributed winding steel wires is wound on the outer wall of the plurality of layers of steel strands, a plurality of layers of steel strands which are mutually attached are attached and wound outside the layer of winding steel wires, and two layers of winding steel wires are spirally wound outside the two layers of steel strands. According to the invention, the first layer of winding steel wire and the second layer of winding steel wire are respectively wound on the inner part and the outer part of the first layer of steel stranded wire and the second layer of steel stranded wire, and the inner filling thin steel stranded wire and the outer filling thin steel stranded wire are filled between the first layer of steel stranded wire and the second layer of steel stranded wire, so that the tensile strength of the steel stranded wires can be ensured, the section compactness and the tensile strength of the steel stranded wires can be increased, the current-carrying capacity (relatively saving materials) is improved, the loss in the power transmission process is reduced, and the span of the tower pole.
Description
Technical Field
The invention relates to the technical field of steel-cored aluminum strands, in particular to an extra-high voltage steel-cored aluminum strand.
Background
At present, the cable is generally a rope-like cable formed by twisting several or several groups of wires (each group is at least two), each group of wires are insulated from each other and are usually twisted around a center, the whole outside is coated with a highly insulating coating, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, which are all composed of single-strand or multi-strand wires and an insulating layer and are used for connecting circuits, electrical appliances and the like.
The retrieval publication number CN 208985724U discloses an extra-high voltage large-section steel-cored aluminum strand, which comprises a protective sleeve, wherein an inner cavity of the protective sleeve is provided with an aluminum strand body, the inner cavity of the aluminum strand body is provided with a steel-cored body, the surface of the protective sleeve is provided with an anti-corrosion layer, and the surface of the anti-corrosion layer is provided with a waterproof layer. Although this technical scheme is through setting up corrosion resistant layer, the natural rubber layer, the epoxy layer, the polyurethane resin layer, the ethylene resin layer, the phenol-formaldehyde resin layer, the waterproof layer, plastics stagnant water belt layer, the butyl rubber layer, waterproof film layer, waterproof coil material layer and asphalt felt layer mutually support, corrosion-resistant advantage has been reached, make the big cross-section steel-cored aluminum strand wires of special high voltage when using for a long time, be difficult to the corruption appear, prevent the big cross-section steel-cored aluminum strand wires of special high voltage corrosion damage, the life of the big cross-section steel-cored aluminum strand wires of special high voltage has been prolonged, thereby the practicality of the big cross-section steel-cored.
However, the inventor finds that the technical scheme still has at least the following defects:
the aluminum stranded wire that sets up in this technical scheme's cross-section clearance is great, causes the reduction of current-carrying capacity and the less than problem of tensile strength easily.
Disclosure of Invention
The invention aims to provide an extra-high voltage steel-cored aluminum strand, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an extra-high voltage steel-cored aluminum strand wires, includes the steel core, the steel core external lamination has the winding to have the one deck steel strand wires of many mutual laminatings, is located many the one deck steel strand wires outer wall winding has the one deck winding copper wire of spiral distribution, is located the one deck winding copper wire external lamination winding has a plurality of two layers of steel strand wires of laminating each other, is located two layers of steel strand wires outside spiral winding has two layers of winding copper wires, is located two layers of winding copper wire external winding has the outer steel strand wires of a plurality of laminating distributions, is located it has the interior thin steel strand wires of packing to fill the winding between one deck winding copper wire and the one deck steel strand wires, is located two layers of steel strand wires and two layers of winding copper wire twine the packing.
As a preferred embodiment of the present invention, a rubber ring pad is sleeved outside the outer layer steel strand.
As a preferred embodiment of the present invention, a heat conducting aluminum hoop is fixedly sleeved on the outer wall of the rubber ring pad.
As a preferred embodiment of the present invention, an outer rubber sheath is fixedly sleeved outside the heat-conducting aluminum ferrule.
In a preferred embodiment of the present invention, a plurality of silicone pads are fixedly embedded in the steel strands located on both the inner and outer sides of the one-layer wound steel wire and the two-layer wound steel wire.
In a preferred embodiment of the present invention, the one-layer and two-layer wound steel wires are each a steel wire having a width of 4 mm.
In a preferred embodiment of the present invention, the inner filling thin steel strand is closely fitted to the outer portions of two adjacent steel strands of the layer.
In a preferred embodiment of the present invention, the outer filling thin steel strand is closely fitted to the outer portions of two adjacent steel strands.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first layer of winding steel wire and the second layer of winding steel wire are respectively wound on the inner part and the outer part of the first layer of steel stranded wire and the second layer of steel stranded wire, and the inner filling thin steel stranded wire and the outer filling thin steel stranded wire are filled between the first layer of steel stranded wire and the second layer of steel stranded wire, so that the tensile strength of the steel stranded wires can be ensured, the section compactness and the tensile strength of the steel stranded wires can be increased, the current-carrying capacity (relatively saving materials) is improved, the loss in the power transmission process is reduced, and the span of the tower pole.
2. Because the silicon grease pad is filled between the first layer of steel stranded wire and the second layer of steel stranded wire, the heat conduction efficiency and the heat dissipation efficiency can be ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of an overall cross-sectional structure of an extra-high voltage steel-cored aluminum strand of the invention;
FIG. 2 is a schematic structural diagram of a winding distribution position of a double-layer wound steel wire of the extra-high voltage steel-cored aluminum strand outside the double-layer steel strand;
FIG. 3 is a schematic diagram of a two-layer wound steel wire structure of an extra-high voltage steel-cored aluminum strand according to the present invention.
In the figure: 1. a steel core; 2. a layer of steel strand; 3. a layer of wound steel wire; 4. two layers of steel strands; 5. filling thin steel strands outside; 6. two layers of winding steel wires; 7. an outer layer of steel strand; 8. a rubber ring layer; 9. a thermally conductive aluminum ferrule; 10. an outer rubber sheath; 11. and filling the thin steel strands.
The apparatus of the present invention is commercially available and custom made.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an extra-high voltage steel-cored aluminum strand, including steel core 1, 1 outside laminating of steel core has one deck steel strand 2 that the winding has many mutual laminatings, it has one deck winding copper wire 3 that the spiral distributes to be located the 2 outer wall winding of many one deck steel strand, it has two layers of steel strand 4 of a plurality of mutual laminatings to be located the 3 outside laminating windings of one deck winding copper wire, it has two layers of winding copper wire 6 to be located the 4 outside spiral windings of two layers of steel strand, it has outer steel strand 7 of a plurality of laminating distributions to be located the 6 outside winding of two layers of winding copper wire, it has interior packing thin steel strand 11 to be located the packing winding between one deck winding copper wire 3 and the one deck steel strand 2, it has outer packing thin steel strand 5 to be located the winding packing.
In this embodiment, because two parts are twined respectively inside and outside one deck steel strand wires 2 and two-layer steel strand wires 4 and have one deck winding copper wire 3 and two-layer winding copper wire 6, it packs to pack thin steel strand wires 11 and outer thin steel strand wires 5 in the packing between one deck steel strand wires 2 and two-layer steel strand wires 4, not only can guarantee the tensile strength of steel strand wires, can also increase the closely knit degree in cross-section and the tensile strength of steel strand wires, improve the current-carrying capacity (material saving relatively), reduce the loss of power transmission in-process, increase the span of tower pole distance.
In this embodiment, since the silicone pad is filled between the first layer of steel strands 2 and the second layer of steel strands 4, the heat conduction and dissipation efficiency can be ensured.
In a specific embodiment, the outer part of the outer layer steel strand 7 is sleeved with a rubber ring pad 8, the outer wall of the rubber ring pad 8 is fixedly sleeved with a heat-conducting aluminum hoop 9, and the outer part of the heat-conducting aluminum hoop 9 is fixedly sleeved with an outer rubber sheath 10, so that the tightness of the end part of the steel strand can be realized.
Furthermore, a plurality of silicone grease pads which are mutually sealed are fixedly embedded in the steel strands on the inner side and the outer side of the one-layer winding steel wire 3 and the two-layer winding steel wire 6, so that the heat conduction efficiency and the heat dissipation efficiency can be guaranteed.
Furthermore, one deck winding copper wire 3 and two layers of winding copper wire 6 are the copper wire of 4mm width, and the equal driving fit in outside of filling thin steel strand wires 11 and two adjacent one deck steel strand wires 2 sets up, and the equal driving fit in outside of filling thin steel strand wires 5 and two adjacent two layers of steel strand wires 4 sets up outward, guarantees the high friction dynamics, guarantees the winding displacement mode of high-span.
When the extra-high voltage steel-cored aluminum strand is used, it is to be noted that the extra-high voltage steel-cored aluminum strand comprises all parts which are universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the extra-high voltage steel-cored aluminum strand can be known by technical manuals or conventional experimental methods.
When the steel strand is used, the inner part and the outer part of the first layer of steel strand 2 and the second layer of steel strand 4 are respectively wound with the first layer of winding steel wire 3 and the second layer of winding steel wire 6, and the inner filling thin steel strand 11 and the outer filling thin steel strand 5 are filled between the first layer of steel strand 2 and the second layer of steel strand 4, so that the tensile strength of the steel strands can be ensured, the section compactness and the tensile strength of the steel strands can be increased, the current-carrying capacity (relatively material-saving), the loss in the power transmission process is reduced, and the span of the tower distance is increased; because the silicon grease pad is filled between the first layer of steel strand 2 and the second layer of steel strand 4, the heat conduction efficiency and the heat dissipation efficiency can be ensured.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An extra-high voltage steel-cored aluminum strand which is characterized in that: including steel core (1), steel core (1) outside laminating has one deck steel strand wires (2) that the winding has many mutual laminatings, is located many one deck steel strand wires (2) outer wall winding has one deck winding copper wire (3) that the spiral distributes, is located one deck winding copper wire (3) outside laminating winding has two layers of steel strand wires (4) of a plurality of mutual laminatings, is located two layers of steel strand wires (4) outside spiral winding has two layers of winding copper wire (6), is located two layers of winding copper wire (6) outside winding has outer steel strand wires (7) of a plurality of laminating distributions, is located it has interior packing thin steel strand wires (11) to fill the winding between one deck winding copper wire (3) and one deck steel strand wires (2), is located two layers of steel strand wires (4) and two layers of winding copper wire (6) are twined before and are filled and are packed outer packing thin steel strand wires (5).
2. The extra-high voltage steel-cored aluminum strand as recited in claim 1, wherein: and a rubber ring pad (8) is sleeved outside the outer layer steel strand (7).
3. The extra-high voltage steel-cored aluminum strand of claim 2, characterized in that: and a heat-conducting aluminum hoop (9) is fixedly sleeved on the outer wall of the rubber ring pad (8).
4. The extra-high voltage steel-cored aluminum strand of claim 3, wherein: an outer rubber sheath (10) is fixedly sleeved outside the heat-conducting aluminum hoop (9).
5. The extra-high voltage steel-cored aluminum strand as recited in claim 1, wherein: and a plurality of silicone grease pads which are mutually sealed are fixedly embedded in the steel stranded wires positioned at the inner side and the outer side of the one layer of winding steel wire (3) and the two layers of winding steel wire (6).
6. The extra-high voltage steel-cored aluminum strand as recited in claim 1, wherein: the one-layer winding steel wire (3) and the two-layer winding steel wire (6) are steel wires with the width of 4 mm.
7. The extra-high voltage steel-cored aluminum strand as recited in claim 1, wherein: the inner filling thin steel stranded wires (11) and the outer parts of the two adjacent steel stranded wires (2) in the layer are all arranged in a sealing mode.
8. The extra-high voltage steel-cored aluminum strand as recited in claim 1, wherein: the outer filling thin steel strands (5) and the outer parts of the two adjacent layers of steel strands (4) are all arranged in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110033414.4A CN112863735A (en) | 2021-01-11 | 2021-01-11 | Extra-high voltage steel-cored aluminum stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110033414.4A CN112863735A (en) | 2021-01-11 | 2021-01-11 | Extra-high voltage steel-cored aluminum stranded wire |
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| CN112863735A true CN112863735A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110033414.4A Pending CN112863735A (en) | 2021-01-11 | 2021-01-11 | Extra-high voltage steel-cored aluminum stranded wire |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009289705A (en) * | 2008-06-02 | 2009-12-10 | Chugoku Electric Power Co Inc:The | Steel core aluminum stranded wire |
| CN102610300A (en) * | 2012-04-10 | 2012-07-25 | 上海中天铝线有限公司 | Unbraced expanded steel-cored aluminum stranded wire |
| CN203422985U (en) * | 2013-07-23 | 2014-02-05 | 常州北辰新材料科技有限公司 | Composite core aluminum stranded conductor with copper rings |
| CN105206336A (en) * | 2015-10-09 | 2015-12-30 | 天津冶金集团中兴盛达钢业有限公司 | Large-section steel core aluminum stranded wire and manufacturing method thereof |
| CN205247965U (en) * | 2015-12-09 | 2016-05-18 | 河南通达电缆股份有限公司 | Novel inferior light aluminium conductors (cable) steel -reinforced without surface treatment |
| CN208014428U (en) * | 2018-01-08 | 2018-10-26 | 浙江跃华电讯有限公司 | A kind of steel combined with aluminum process large-section lead |
| CN109192362A (en) * | 2018-10-13 | 2019-01-11 | 山东希尔电缆有限公司 | Compound charge bearing detecting cable |
| CN208596553U (en) * | 2018-08-16 | 2019-03-12 | 亢龙集团电力器材有限公司 | A kind of anti-interference steel-cored aluminium strand that solderless wrapped connection intensity is big |
| CN208622471U (en) * | 2018-08-01 | 2019-03-19 | 江苏通光强能输电线科技有限公司 | A kind of surface treated clearance type capacity-improving conducting wires |
| CN209508703U (en) * | 2018-12-26 | 2019-10-18 | 天津市海达伟业钢绞线股份有限公司 | A kind of prestressing tendon for building |
| CN210984371U (en) * | 2019-08-16 | 2020-07-10 | 无锡江南电缆有限公司 | Low wind pressure aluminium package steel core height leads aluminium type stranded conductor |
-
2021
- 2021-01-11 CN CN202110033414.4A patent/CN112863735A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009289705A (en) * | 2008-06-02 | 2009-12-10 | Chugoku Electric Power Co Inc:The | Steel core aluminum stranded wire |
| CN102610300A (en) * | 2012-04-10 | 2012-07-25 | 上海中天铝线有限公司 | Unbraced expanded steel-cored aluminum stranded wire |
| CN203422985U (en) * | 2013-07-23 | 2014-02-05 | 常州北辰新材料科技有限公司 | Composite core aluminum stranded conductor with copper rings |
| CN105206336A (en) * | 2015-10-09 | 2015-12-30 | 天津冶金集团中兴盛达钢业有限公司 | Large-section steel core aluminum stranded wire and manufacturing method thereof |
| CN205247965U (en) * | 2015-12-09 | 2016-05-18 | 河南通达电缆股份有限公司 | Novel inferior light aluminium conductors (cable) steel -reinforced without surface treatment |
| CN208014428U (en) * | 2018-01-08 | 2018-10-26 | 浙江跃华电讯有限公司 | A kind of steel combined with aluminum process large-section lead |
| CN208622471U (en) * | 2018-08-01 | 2019-03-19 | 江苏通光强能输电线科技有限公司 | A kind of surface treated clearance type capacity-improving conducting wires |
| CN208596553U (en) * | 2018-08-16 | 2019-03-12 | 亢龙集团电力器材有限公司 | A kind of anti-interference steel-cored aluminium strand that solderless wrapped connection intensity is big |
| CN109192362A (en) * | 2018-10-13 | 2019-01-11 | 山东希尔电缆有限公司 | Compound charge bearing detecting cable |
| CN209508703U (en) * | 2018-12-26 | 2019-10-18 | 天津市海达伟业钢绞线股份有限公司 | A kind of prestressing tendon for building |
| CN210984371U (en) * | 2019-08-16 | 2020-07-10 | 无锡江南电缆有限公司 | Low wind pressure aluminium package steel core height leads aluminium type stranded conductor |
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Application publication date: 20210528 |
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