CN204303377U - Flexible type duralumin type twisted wire - Google Patents
Flexible type duralumin type twisted wire Download PDFInfo
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- CN204303377U CN204303377U CN201420801591.8U CN201420801591U CN204303377U CN 204303377 U CN204303377 U CN 204303377U CN 201420801591 U CN201420801591 U CN 201420801591U CN 204303377 U CN204303377 U CN 204303377U
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Abstract
The utility model discloses a kind of flexible type duralumin type twisted wire, comprises the stress unit that is positioned at center and stranded the first aluminium alloy conductive layer in stress unit outer surface, the second aluminium alloy conductive layer successively; Described second aluminium alloy conductive layer outer surface is stranded successively the first trapezoidal aluminum conductor layer, the second trapezoidal aluminum conductor layer; Described stress unit comprises and is positioned at the aluminium lamination of center by the stranded carbon fiber rod of some carbon fibre precursors and coated carbon fiber rod outer surface, and the thickness of described aluminium lamination is 0.1 ~ 0.4mm; The diameter of described carbon fiber rod is 10mm ~ 15mm, is filled with polyester gluing filling part in described aluminium lamination between some carbon fibre precursors; The diameter of described carbon fibre precursor is 2mm ~ 4mm.The utility model close structure, bending radius declines most 6 times of cable sizes, reduces the space of mounting arrangement, reduces installation cost, be easier to lay, and presses that coefficient is high improves current-carrying capacity under same uiform section.
Description
Technical field
The utility model relates to a kind of duralumin type twisted wire, particularly relates to a kind of flexible type duralumin type twisted wire.
Background technology
Chinese national economy continues the demand of rapid growth to electric power in continuous increase, according to the planning of Guo Wang Construction Company Limited, will focus the consruction on 1100kV UHV transmission line in recent years.Transmission line construction, needs more large-section lead but do not wish that wire diameter is too large.Traverse design will consider factors, particularly the transmission capacity of wire and economic current density, corona critical voltage, mechanical strength etc.On the one hand, in the area that circuit is narrow, only need the wire changing close cross section specification, substantially do not need to change steel tower and can meet intensity and wire requirement over the ground, but in the application along with the rising of conductor temperature, its sag must increase.And original shaft tower can not have very large remaining to meet the recruitment of its sag, therefore to reach that on original corridor, do not change steel tower increase-volume 40 ~ 50% be inconvenient.
On the other hand, existing aluminum conductor uses galvanized strand wires as stress unit, and this structure employs more than 100 year, is traditional structure.But galvanized strand wires intensity is not high, corrosion resistance is not strong, shortens wire whole service life.The eighties, occur aluminium Baogang single line, at that time because of complex process, be difficult to promote, now, use at large cross line, its corrosion resistance is strengthened greatly, but strength ratio steel strand wires reduce.
Summary of the invention
The utility model provides a kind of flexible type duralumin type twisted wire, this flexible type duralumin type twisted wire close structure, bending radius decline most 6 times of cable sizes, reduce the space of mounting arrangement, reduce installation cost, be easier to lay, press that coefficient is high improves current-carrying capacity under same uiform section, also can effectively prevent rainwater etc. from entering wire inside.
For achieving the above object, the technical solution adopted in the utility model is: a kind of flexible type duralumin type twisted wire, comprises the stress unit that is positioned at center and stranded the first aluminium alloy conductive layer in stress unit outer surface, the second aluminium alloy conductive layer successively;
Described first aluminium alloy conductive layer forms by 10 ~ 14 first aluminium single lines are stranded, and described second aluminium alloy conductive layer forms by 16 ~ 20 second aluminium single lines are stranded;
Described second aluminium alloy conductive layer outer surface is stranded successively the first trapezoidal aluminum conductor layer, the second trapezoidal aluminum conductor layer, first trapezoidal aluminum conductor layer forms by 19 ~ 21 first trapezoidal aluminum conductors are stranded, second trapezoidal aluminum conductor layer forms by 23 ~ 25 second trapezoidal aluminum conductors are stranded, and the cross section of the first trapezoidal aluminum conductor and the second trapezoidal aluminum conductor is trapezoidal;
Described stress unit comprises and is positioned at the aluminium lamination of center by the stranded carbon fiber rod of some carbon fibre precursors and coated carbon fiber rod outer surface, and the thickness of described aluminium lamination is 0.1 ~ 0.4mm; The diameter of described carbon fiber rod is 10mm ~ 15mm, is filled with polyester gluing filling part in described aluminium lamination between some carbon fibre precursors; The diameter of described carbon fibre precursor is 2mm ~ 4mm.
The technical scheme improved further in technique scheme is as follows:
1., in such scheme, the number of described carbon fibre precursor is at least 300.
2., in such scheme, the thickness of described aluminium lamination is 0.1 ~ 0.4mm.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model flexible type duralumin type twisted wire, first aluminium alloy conductive layer forms by 10 ~ 14 first aluminium single lines are stranded, described second aluminium alloy conductive layer forms by 16 ~ 20 second aluminium single lines are stranded, second aluminium alloy conductive layer outer surface is stranded successively the first trapezoidal aluminum conductor layer, second trapezoidal aluminum conductor layer, its close structure, bending radius decline most 6 times of cable sizes, reduce the space of mounting arrangement, reduce installation cost, be easier to lay, press that coefficient is high improves current-carrying capacity under same uiform section, also can effectively prevent rainwater etc. from entering wire inside, reduce or avoid conductive line surfaces ponding and freeze, improve the Anti-ice-and-snow ability of wire significantly, it widely uses and significantly can improve whole transmission system reliability of operation and security, have broad application prospects, be particularly useful for needing to reconstruct increase-volume, the transmission line of electricity of dilatation.
2. the utility model flexible type duralumin type twisted wire, its aluminium bag carbon fiber line diameter is little, convenient is used for lay configuration, carbon fiber wire adopts lay configuration, bending property and excellent, avoid the bending problem that fractures of carbon fiber wire completely, individual carbon fibers precursor ruptures once in a while does not affect aluminium bag carbon fiber single line performance, and the defect that single aluminium bag carbon fiber single line is little not will be a greater impact to the performance of the stranded strengthening core stress unit of whole aluminium bag carbon fiber, and transmission line of electricity safety coefficient is improved, secondly, its aluminium coating thickness can be accomplished very thin, thus make aluminium bag carbon fiber line diameter to accomplish 2mm ~ 4mm, similar with zinc-coated wire, the stress unit of wire is made in many stranded modes, change the single of present carbon fiber rod, the present situation of diameter 5mm ~ 12mm, little aluminium bag carbon fiber line diameter and Duo Gen lay configuration make the stress unit of wire (aluminium bag carbon fiber twisted cores) bending diameter greatly reduce, avoid current individual carbon fibers diameter of mandrel large, bending stress is large, require sabot, construction bending diameter is very large, cause unfolding conductor, jointing requirements is high, frequently occur that plug crimping construction wrong hidden danger and the wire that arrives go offline transmission line of electricity power-off fault.
3. the utility model flexible type duralumin type twisted wire, the carbon fiber generation of aluminium clad to the inside is well coated presses effect, more than 100 carbon fibre precursor of the inside adopts stranded mode of tiing knots, such structure makes individual carbon fibers silk fracture joint not too affect carbon fiber wire overall performance, pull-off force is high, extends the service life of circuit; Secondly, on large span high pressure overhead power line, excellent corrosion resistance, lightweight, pull-off force is high, conductance is high and high performance-price ratio, original corridor does not change steel tower substantially, reach increase-volume 60%, current-carrying capacity is large, quality is light, sag characteristic is good, extend the service life of circuit.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model flexible type duralumin type twisted wire structural representation;
Accompanying drawing 2 is stress unit structural representation in accompanying drawing 1.
In above accompanying drawing: 1, stress unit; 2, the first aluminium alloy conductive layer; 21, the first aluminium single line; 3, the second aluminium alloy conductive layer; 31, the second aluminium single line; 4, the first trapezoidal aluminum conductor layer; 41, the first trapezoidal aluminum conductor; 5, carbon fibre precursor; 6, carbon fiber rod; 7, aluminium lamination; 8, polyester gluing filling part; 9, the second trapezoidal aluminum conductor layer; 91, the second trapezoidal aluminum conductor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of flexible type duralumin type twisted wire, comprises the stress unit 1 that is positioned at center and stranded in the first aluminium alloy conductive layer 2, second aluminium alloy conductive layer 3 of stress unit 1 outer surface successively;
Described first aluminium alloy conductive layer 2 forms by 10 first aluminium single lines 21 are stranded, and described second aluminium alloy conductive layer 3 forms by 20 second aluminium single lines 31 are stranded;
Described second aluminium alloy conductive layer 3 outer surface is stranded successively the trapezoidal aluminum conductor layer 9 of the first trapezoidal aluminum conductor layer 4, second, first trapezoidal aluminum conductor layer 4 forms by 19 first trapezoidal aluminum conductors 41 are stranded, second trapezoidal aluminum conductor layer 9 forms by 23 second trapezoidal aluminum conductors 91 are stranded, and the cross section of the first trapezoidal aluminum conductor 41 and the second trapezoidal aluminum conductor 91 is trapezoidal;
Described stress unit 1 comprises and is positioned at the aluminium lamination 7 of center by the stranded carbon fiber rod 6 of some carbon fibre precursors 5 and coated carbon fiber rod 6 outer surface, and the thickness of described aluminium lamination 7 is 0.14mm; The diameter of described carbon fiber rod 6 is 12mm, is filled with polyester gluing filling part 8 in described aluminium lamination 7 between some carbon fibre precursors 8; The diameter of described carbon fibre precursor 8 is 3.5mm.
The thickness of above-mentioned aluminium lamination 7 is 0.15mm.
Embodiment 2: a kind of flexible type duralumin type twisted wire, comprises the stress unit 1 that is positioned at center and stranded in the first aluminium alloy conductive layer 2, second aluminium alloy conductive layer 3 of stress unit 1 outer surface successively;
Described first aluminium alloy conductive layer 2 forms by 12 first aluminium single lines 21 are stranded, and described second aluminium alloy conductive layer 3 forms by 18 second aluminium single lines 31 are stranded;
Described second aluminium alloy conductive layer 3 outer surface is stranded successively the trapezoidal aluminum conductor layer 9 of the first trapezoidal aluminum conductor layer 4, second, first trapezoidal aluminum conductor layer 4 forms by 20 first trapezoidal aluminum conductors 41 are stranded, second trapezoidal aluminum conductor layer 9 forms by 24 second trapezoidal aluminum conductors 91 are stranded, and the cross section of the first trapezoidal aluminum conductor 41 and the second trapezoidal aluminum conductor 91 is trapezoidal;
Described stress unit 1 comprises and is positioned at the aluminium lamination 7 of center by the stranded carbon fiber rod 6 of some carbon fibre precursors 5 and coated carbon fiber rod 6 outer surface, and the thickness of described aluminium lamination 7 is 0.35mm; The diameter of described carbon fiber rod 6 is 15mm, is filled with polyester gluing filling part 8 in described aluminium lamination 7 between some carbon fibre precursors 8; The diameter of described carbon fibre precursor 8 is 3mm.
The thickness of above-mentioned aluminium lamination 7 is 0.3mm.
When adopting above-mentioned flexible type duralumin type twisted wire, its aluminium bag carbon fiber line diameter is little, convenient is used for lay configuration, carbon fiber wire adopts lay configuration, bending property is excellent, avoid the bending problem that fractures of carbon fiber wire completely, individual carbon fibers precursor ruptures once in a while does not affect aluminium bag carbon fiber single line performance, and the defect that single aluminium bag carbon fiber single line is little not will be a greater impact to the performance of the stranded strengthening core stress unit of whole aluminium bag carbon fiber, and transmission line of electricity safety coefficient is improved, secondly, its aluminium coating thickness can be accomplished very thin, thus make aluminium bag carbon fiber line diameter to accomplish 2mm ~ 4mm, similar with zinc-coated wire, the stress unit of wire is made in many stranded modes, change the single of present carbon fiber rod, the present situation of diameter 5mm ~ 12mm, little aluminium bag carbon fiber line diameter and Duo Gen lay configuration make the stress unit of wire (aluminium bag carbon fiber twisted cores) bending diameter greatly reduce, avoid current individual carbon fibers diameter of mandrel large, bending stress is large, require sabot, construction bending diameter is very large, cause unfolding conductor, jointing requirements is high, frequently occur that plug crimping construction wrong hidden danger and the wire that arrives go offline transmission line of electricity power-off fault, again, the carbon fiber generation of aluminium clad to the inside is well coated presses effect, more than 100 carbon fibre precursor of the inside adopts stranded mode of tiing knots, such structure makes individual carbon fibers silk fracture joint not too affect carbon fiber wire overall performance, pull-off force is high, extends the service life of circuit.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (3)
1. a flexible type duralumin type twisted wire, is characterized in that: comprise the stress unit (1) that is positioned at center and stranded the first aluminium alloy conductive layer (2) in stress unit (1) outer surface, the second aluminium alloy conductive layer (3) successively;
Described first aluminium alloy conductive layer (2) forms by 10 ~ 14 first aluminium single lines (21) are stranded, and described second aluminium alloy conductive layer (3) forms by 16 ~ 20 second aluminium single lines (31) are stranded;
Described second aluminium alloy conductive layer (3) outer surface is stranded successively the first trapezoidal aluminum conductor layer (4), the second trapezoidal aluminum conductor layer (9), first trapezoidal aluminum conductor layer (4) forms by 19 ~ 21 first trapezoidal aluminum conductors (41) are stranded, second trapezoidal aluminum conductor layer (9) forms by 23 ~ 25 second trapezoidal aluminum conductors (91) are stranded, and the cross section of the first trapezoidal aluminum conductor (41) and the second trapezoidal aluminum conductor (91) is trapezoidal;
Described stress unit (1) comprises and is positioned at the aluminium lamination (7) of center by the stranded carbon fiber rod (6) of some carbon fibre precursors (5) and coated carbon fiber rod (6) outer surface, and the thickness of described aluminium lamination (7) is 0.1 ~ 0.4mm; The diameter of described carbon fiber rod (6) is 10mm ~ 15mm, is positioned between some carbon fibre precursors (8) and is filled with polyester gluing filling part (8) in described aluminium lamination (7); The diameter of described carbon fibre precursor (8) is 2mm ~ 4mm.
2. flexible type duralumin type twisted wire according to claim 1, is characterized in that: the number of described carbon fibre precursor (8) is at least 300.
3. flexible type duralumin type twisted wire according to claim 1, is characterized in that: the thickness of described aluminium lamination (7) is 0.1 ~ 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801591.8U CN204303377U (en) | 2014-12-16 | 2014-12-16 | Flexible type duralumin type twisted wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420801591.8U CN204303377U (en) | 2014-12-16 | 2014-12-16 | Flexible type duralumin type twisted wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303377U true CN204303377U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420801591.8U Active CN204303377U (en) | 2014-12-16 | 2014-12-16 | Flexible type duralumin type twisted wire |
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|---|---|
| CN (1) | CN204303377U (en) |
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- 2014-12-16 CN CN201420801591.8U patent/CN204303377U/en active Active
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