CN103903672B - Composite cable - Google Patents
Composite cable Download PDFInfo
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- CN103903672B CN103903672B CN201410153664.1A CN201410153664A CN103903672B CN 103903672 B CN103903672 B CN 103903672B CN 201410153664 A CN201410153664 A CN 201410153664A CN 103903672 B CN103903672 B CN 103903672B
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Abstract
The invention relates to a composite cable which comprises a conductor core layer and a wrapping outer layer twisted outside the conductor core layer. The conductor core layer is a high-strength zinc-coated wire or a carbon fiber composite core. The wrapping outer layer is formed by a plurality of aluminium alloy wires or aluminium wires in a twisting mode, and every two adjacent aluminium alloy wires or aluminium wires are embedded with each other. The cross section of the outer surface of the wrapping outer layer is a full circle. The composite cable is large in current-carrying capacity, excellent in ice and snow resistance performance, large in span, high in power transmission efficiency, saving in energy and low in erecting cost.
Description
Technical field
The present invention relates to cable technology, be specifically related to a kind of big span, heavy in section, the cable of big current-carrying capacity.
Background technology
Existing cable, general use copper wire as core, the aluminum steel of the stranded circle of outer layer.This cable be primarily present with
The problem of lower several respects: one, due to outer layer stranded be circular aluminum steel, cause the gap between line and line big, effective cross-section
Long-pending little, and external diameter is big, stores and takes up room big in transportation.Two, recessed by the circular stranded superficies formed of aluminum steel
Convex injustice, rough, easily pile up ice and snow or other heavy burden materials, increase the heavy burden of cable, anti-ice-snow ability, easily bend
Destroy cable.Three, the tensile strength of copper wire used is low, and during erection, span is less, and the shaft tower quantity needed for setting up cable is many, not only
Cost is big, wasting manpower and material resources, and land occupation resource is many.
Based on problem above, existing cable cannot meet the new demand that power construction is fast-developing.
Summary of the invention
In view of this, it is desirable to provide a kind of net sectional area is big, current-carrying capacity big, anti-ice-snow function admirable, span
Greatly, power transmission efficiency is high and energy-conservation, set up the composite cable of low cost.
The present invention adopted the following technical scheme that solution the problems referred to above:
A kind of composite cable, including conductor sandwich layer, and at the outer stranded cladding outer layer of described conductor sandwich layer.Wherein, institute
Stating conductor sandwich layer is high-strength galvanized steel wire or carbon fiber complex core.Described cladding outer layer is stranded by many aluminium alloy wires or aluminum steel
Being formed, adjacent in described aluminium alloy wire or aluminum steel two are the most chimeric.The cross section of the outer surface of described cladding outer layer is whole
Circle.
Preferably, described conductor sandwich layer is formed by many high-strength galvanized steel wires are stranded, described high-strength galvanized steel wire
Filament diameter is 2.66mm, and tensile strength is more than or equal to 2160MPA；The tensile strength of described carbon fiber complex core is more than or equal to
2940MPA。
Preferably, described aluminium alloy wire is superalloy line or heat resistant aluminum alloy wire, and wherein, described ultra heat resisting aluminum closes
The work continuously of gold thread allows temperature to be 210 DEG C, and the work continuously of described heat resistant aluminum alloy wire allows temperature to be 150 DEG C.
Preferably, the cross section of described aluminium alloy wire or aluminum steel is Z-type or arcuate.
Preferably, described cladding outer layer includes multiple clad, away from described conductor sandwich layer in the plurality of clad
The single cross section of clad be Z-type or the aluminium alloy wire of arcuate or aluminum steel width in a circumferential direction more than near described in lead
The single cross section of the clad of body sandwich layer is Z-type or the aluminium alloy wire of arcuate or aluminum steel width in a circumferential direction.
Preferably, the aluminium alloy wire that many cross sections are Z-type of two adjacent in the plurality of clad clads or
Aluminum steel in a circumferential direction mutually chimeric in opposite direction.
Preferably, described cross section is that the superalloy line of Z-type includes the first circumferential extensions, second circumferentially extending
Portion and radially connected portion, described radially connected portion connects described first circumferential extensions and described second circumferentially extending portion.
Preferably, the distance of described first circumferential extensions and described conductor sandwich layer more than described second circumferentially extending portion with
The distance of described conductor sandwich layer, described first circumferential extensions width in the circumferential is more than described second circumferentially extending portion in week
Width upwards.
Preferably, described first circumferential extensions thickness diametrically is plus described second circumferentially extending portion diametrically
Thickness equal to described radially connected portion thickness diametrically.
Preferably, the radian of the first circumferential extensions of the aluminium alloy wire of described many cross section Z-types or aluminum steel and arc length
Spend the most equal；The aluminium alloy wire of described many cross section Z-types or the radian in the radially connected portion of aluminum steel and arc identical length etc., and
The radian in described radially connected portion is the half of the radian of described first circumferential extensions；The aluminum of described many cross section Z-types closes
The radian in the second circumferentially extending portion of gold thread or aluminum steel and arc identical length etc.
Compared with prior art, the composite cable of the present invention provides the benefit that:
The composite cable of the present invention utilizes high-strength galvanized steel wire or carbon fiber complex core as conductor sandwich layer, thus improves
The tensile strength of composite cable, can realize big span built on stilts and improve the shaft tower quantity needed for current-carrying capacity, composite cable
Reduce, greatly reduce the costs such as manpower and materials, and land occupation resource is few；Further, phase in aluminium alloy wire or aluminum steel is utilized
Adjacent two are the most chimeric, and the cross section making the outer surface of cladding outer layer is full circle, thus not only further increases current-carrying capacity,
And make the smooth surface of composite cable, be effectively increased anti-ice-snow performance, and surface is difficult to adhere to dust, can effectively reduce
The noise of corona discharge generation and line loss.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the composite cable of first embodiment of the invention.
Fig. 2 is the schematic diagram of the composite cable of second embodiment of the invention.
Fig. 3 is the schematic diagram of the composite cable of third embodiment of the invention.
Fig. 4 is the schematic diagram of the composite cable of fourth embodiment of the invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, first embodiment of the invention provides a kind of composite cable, including by many high-strength galvanized steel wires
The conductor sandwich layer 110 of 112 stranded formation, and at the described outer stranded cladding outer layer 120 of conductor sandwich layer 110.Wherein, described bag
Covering outer layer 120 by many cross sections is the aluminium alloy wire of Z-type or aluminum steel 122 is stranded is formed, in described aluminium alloy wire or aluminum steel 122
Adjacent two are the most chimeric.The cross section of the outer surface of described cladding outer layer 120 is full circle.
Specifically, in described conductor sandwich layer 110, the filament diameter of single high-strength galvanized steel wire 112 is preferably selected
2.66mm, and, tensile strength is more than or equal to 2160MPA.The high-strength galvanized steel wire 12 using above-mentioned tensile strength enhances
The ability of composite cable load-bearing, meets big span and heavy in section high pressure, the requirement of extra-high voltage, greatly reduces new line and build
If shaft tower cost in, saves land resource and the human resources of preciousness.
Described cladding outer layer 120 includes multiple clad.Each clad in the plurality of clad is by many
Cross section is aluminium alloy wire or the aluminum steel 122 the most chimeric formation in a circumferential direction of Z-type.Preferably, the plurality of clad
In in a circumferential direction the most chimeric of the aluminium alloy wire that many cross sections are Z-type of adjacent two clads or aluminum steel 122
In opposite direction, so can improve the stranded compactness of cladding outer layer 120 and reliability.
Further, in the plurality of clad, single cross section away from the clad of described conductor sandwich layer 110 is Z-type
Aluminium alloy wire or aluminum steel 122 width in a circumferential direction more than the single horizontal stroke of clad near described conductor sandwich layer 110
Cross section is aluminium alloy wire or aluminum steel 122 width in a circumferential direction of Z-type.Specifically, described cross section is the aluminum conjunction of Z-type
Gold thread or aluminum steel 122 include the first circumferential extensions 1221, second circumferentially extending portion 1222 and radially connected portion 1223, described footpath
Described first circumferential extensions 1221 and described second circumferentially extending portion 1222 is connected to connecting portion 1223.Described first circumference is prolonged
Extending portion 1221 and the distance of described conductor sandwich layer 110 are more than described second circumferentially extending portion 1222 and described conductor sandwich layer 110
Distance, described first circumferential extensions 1221 width in the circumferential is more than described second circumferentially extending portion 1222 in the circumferential
Width.Described first circumferential extensions 1221 thickness diametrically is plus described second circumferentially extending portion 1222 diametrically
Thickness is equal to described radially connected portion 1223 thickness diametrically.Thus, many cross sections of cladding outer layer 120 are Z-type
Aluminium alloy wire or aluminum steel 122 can preferably be twisted into a complete rounded outer surface.
Further, the aluminium alloy wire that cross section is Z-type of each layer or the chi of aluminum steel 122 in the plurality of clad
Very little parameter can design in the following manner and to determine:
The first step, determines the sectional area of some clad according to factors such as current-carrying capacities, wherein, and this layer of clad transversal
Face is annulus；
Second step, determines the aluminium alloy wire of the Z-type of this layer of clad or the radical n that aluminum steel 122 is stranded；
3rd step, in determining the internal diameter r of this layer of clad and outside external diameter r, specifically, is determining this layer of clad requirement
In the case of the radical of sectional area and the aluminium alloy wire of stranded Z-type or aluminum steel 122, according to the adjacent inner side of this layer of clad
The external diameter of one Rotating fields determines the internal diameter of this layer of clad, calculates the external diameter of this layer of clad in conjunction with the sectional area required；
4th step, determines the aluminium alloy wire of the single Z-type of this layer of clad or the radian of aluminum steel 122 and arc length degree.Wherein,
In a preferred version of the present invention, the radian=360 °/n of the first circumferential extensions 1221, arc length degree=2 π rOutward/ n, i.e. should
The aluminium alloy wire of many Z-types of layer clad or the radian of the first circumferential extensions 1221 of aluminum steel 122 and arc identical length etc.；
Radian=360 °/2 × the n in radially connected portion 1223, arc length degree=2 π r1/2 × n, wherein r1=(rOutward-rIn)/2+rIn, i.e. this layer bag
The aluminium alloy wire of many Z-types of coating or the radian in the radially connected portion 1223 of aluminum steel 122 and arc identical length etc., and radially connect
Connect the half of the radian that radian is the first circumferential extensions 1221 in portion 1223；Radian=360 ° in second circumferentially extending portion 1222/
N, arc length degree=2 π rIn/n；That is, the aluminium alloy wire of many Z-types of this layer of clad or the second circumferentially extending portion 1222 of aluminum steel 122
Radian and arc identical length etc..The aluminium alloy wire of the Z-type of this layer of clad produced is designed with above-mentioned preferred dimensional parameters
Or aluminum steel 122, size uniform, stranding process farthest ensures aluminium alloy wire or each position distortions of aluminum steel 122 of Z-type
Holding capacity is uniform, prevents aluminium alloy wire or aluminum steel 122 stress deformation of Z-type, and the clad causing stranded formation is abnormal.
It is understood that use aluminium alloy wire or the cladding outer layer 120 of the stranded formation of aluminum steel 122 of Z-type, due to its phase
Mutually one circle completed of chimeric composition, the most stranded after there is excellent being tightly combined property and reliability.
Additionally, during making the composite cable that the present invention first implements, mainly include following main points:
First point, the design of Z-type mould: in order to ensure that wire drawing is smooth, the general principle of design of Z-type mould is to use gradual change
Formula deformation design, is i.e. gradually deformed into Z-type from circle.
Second point, the wire drawing key point of Z-type aluminium alloy wire or aluminum steel: in drawing process, by aligning guide wheel, protect
In card drawing process and on take-up reel, Z-type aluminium alloy wire or the orientation consistency of aluminum steel, reduce the single line position during twisted wire
Put change.
Thirdly, Z-type aluminium alloy wire or aluminum cabling key point: during twisted wire, unwrapping wire threading direction is consistent, with
Time stranded head at line ball guide wheel fixed-direction, it is ensured that single line direction in stranding process is consistent.
Referring to Fig. 2, second embodiment of the invention provides a kind of composite cable, including by many high-strength galvanized steel wires
The conductor sandwich layer 210 of 212 stranded formation, and at the described outer stranded cladding outer layer 220 of conductor sandwich layer 210.Wherein, described bag
Covering outer layer 220 by many cross sections is the aluminium alloy wire of arcuate or aluminum steel 222 is stranded is formed, described aluminium alloy wire or aluminum steel 222
In adjacent two the most chimeric.The cross section of the outer surface of described cladding outer layer 220 is full circle.
Specifically, in described conductor sandwich layer 210, the filament diameter of single high-strength galvanized steel wire 212 is preferably selected
2.66mm, and, tensile strength is more than or equal to 2160MPA.The high-strength galvanized steel wire 212 using above-mentioned tensile strength enhances
The ability of composite cable load-bearing, meets big span and heavy in section high pressure, the requirement of extra-high voltage, greatly reduces new line and build
If shaft tower cost in, saves land resource and the human resources of preciousness.
Further, the aluminium alloy wire that cross section is arcuate of described cladding outer layer 220 or the dimensional parameters of aluminum steel 222 can
Design determines in the following manner:
The first step, determines the sectional area of cladding outer layer 220, wherein, the horizontal stroke of this cladding outer layer 220 according to factors such as current-carrying capacities
Cross section is annulus；
Second step, determines the aluminium alloy wire of the arcuate of described cladding outer layer 220 or the radical n that aluminum steel 222 is stranded；
3rd step, in determining the internal diameter r of described cladding outer layer 220 and outside external diameter r, specifically, is determining outside described cladding
In the case of the sectional area of layer 220 requirement and the radical of the aluminium alloy wire of stranded arcuate or aluminum steel 222, according to outside described cladding
The external diameter of one Rotating fields of layer 220 adjacent inner side determines the internal diameter of described cladding outer layer 220, in conjunction with the sectional area meter required
Calculate the external diameter of described cladding outer layer 220；
4th step, determines the aluminium alloy wire of the single arcuate of described cladding outer layer 220 or the radian of aluminum steel 222 and arc length
Degree.Wherein, in a preferred version of the present invention, the outer radian of the aluminium alloy wire of single arcuate or the radian of aluminum steel 222=
360 °/n, outer arc length=2 π rOutward/n；Interior radian=360 °/n, inner arc length=2 π rIn/ n, say, that described cladding outer layer 220
The aluminium alloy wire of many arcuate or the outer radian of aluminum steel 222, outer arc length, interior radian, inner arc length the most equal, size one
Cause.Aluminium alloy wire or aluminum steel 222, the chi of the arcuate of the described cladding outer layer 220 produced is designed with above-mentioned preferred dimensional parameters
It is very little that uniformly in stranding process, farthest aluminium alloy wire or aluminum steel 222 each position distortions holding capacity of guarantee arcuate are uniform,
Preventing aluminium alloy wire or aluminum steel 222 stress deformation of arcuate, the cladding outer layer 220 causing stranded formation is abnormal.
Referring to Fig. 3, third embodiment of the invention provides a kind of composite cable, including stranded by carbon fiber complex core 312
The conductor sandwich layer 310 formed, and at the described outer stranded cladding outer layer 320 of conductor sandwich layer 310.Wherein, described cladding outer layer
320 is the aluminium alloy wire of arcuate or aluminum steel 322 is stranded is formed, adjacent in described aluminium alloy wire 322 two by many cross sections
The most chimeric.The cross section of the outer surface of described cladding outer layer 320 is full circle.
Specifically, in described conductor sandwich layer 310, the tensile strength of carbon fiber complex core 312 is more than or equal to 2940MPA.Adopt
Carbon fiber complex core 312 by above-mentioned tensile strength enhances the ability of composite cable load-bearing, lightweight, the 1/ of proportion deficiency steel
4, meet big span and heavy in section high pressure, the requirement of extra-high voltage, greatly reduce the shaft tower cost during new line is built, joint
Land resource and the human resources of preciousness are saved.Further, carbon fiber complex core 312 has incomparable excellent of common zinc-coated wire
Different resistance to elevated temperatures and decay resistance, it is ensured that composite cable stability in During Process of Long-term Operation.
In in this enforcement, described conductor sandwich layer 310 includes a carbon fiber complex core 312.Described cladding outer layer 320 includes
8 cross sections are aluminium alloy wire or the aluminum steel 322 of arcuate.
Referring to Fig. 4, fourth embodiment of the invention provides a kind of composite cable, including stranded by carbon fiber complex core 412
The conductor sandwich layer 410 formed, and at the described outer stranded cladding outer layer 420 of conductor sandwich layer 410.Wherein, described cladding outer layer
420 is the aluminium alloy wire of Z-type or aluminum steel 422 is stranded is formed by many cross sections, adjacent in described aluminium alloy wire or aluminum steel 422
The most chimeric.The cross section of the outer surface of described cladding outer layer 420 is full circle.
Specifically, in described conductor sandwich layer 410, the tensile strength of carbon fiber complex core 412 is more than or equal to 2940MPA.Adopt
Carbon fiber complex core 412 by above-mentioned tensile strength enhances the ability of composite cable load-bearing, and lightweight, meets big span
With heavy in section high pressure, the requirement of extra-high voltage, greatly reduce the shaft tower cost during new line is built, save the soil of preciousness
Resource and human resources.In in this enforcement, described conductor sandwich layer 410 includes a carbon fiber complex core 412.
Described cladding outer layer 420 includes multiple clad.Each clad in the plurality of clad is by many
Cross section is aluminium alloy wire or the aluminum steel 422 the most chimeric formation in a circumferential direction of Z-type.Preferably, the plurality of clad
In in a circumferential direction the most chimeric of the aluminium alloy wire that many cross sections are Z-type of adjacent two clads or aluminum steel 422
In opposite direction, so can improve the stranded compactness of cladding outer layer 420 and reliability.In the present embodiment, the plurality of clad
In each clad include aluminium alloy wire or the aluminum steel 422 that 412 cross sections are Z-type.
Further, in the plurality of clad, single cross section away from the clad of described conductor sandwich layer 410 is Z-type
Aluminium alloy wire or aluminum steel 422 width in a circumferential direction more than the single horizontal stroke of clad near described conductor sandwich layer 410
Cross section is aluminium alloy wire 422 width in a circumferential direction of Z-type.Specifically, described cross section be Z-type aluminium alloy wire or
Aluminum steel 422 includes the first circumferential extensions 4221, second circumferentially extending portion 4222 and radially connected portion 4223, described radially connected
Portion 4223 connects described first circumferential extensions 4221 and described second circumferentially extending portion 4222.Described first circumferential extensions
4221 are more than the distance in described second circumferentially extending portion 4222 and described conductor sandwich layer 410 with the distance of described conductor sandwich layer 410,
Described first circumferential extensions 4221 width in the circumferential is more than described second circumferentially extending portion 4222 width in the circumferential.
Described first circumferential extensions 4221 thickness diametrically adds described second circumferentially extending portion 4222 thickness diametrically
Equal to described radially connected portion 4223 thickness diametrically.Thus, the aluminum that many cross sections are Z-type of cladding outer layer 420 closes
Gold thread or aluminum steel 422 can preferably be twisted into a complete rounded outer surface.
The composite cable of the present invention uses many cross sections to be Z-type or the aluminium alloy wire of arcuate or the stranded formation of aluminum steel one
Full circle so that composite cable smooth surface and closely, has excellent anti-ice-snow ability, and surface is difficult to adhere to dust, can have
Effect reduces noise and the line loss that corona discharge produces.
Current-carrying capacity refers to the electricity that a cable run is passed through when carrying electric energy, under thermal stable condition, works as cable
Conductor reaches to allow current-carrying capacity of cable during operating temperature to be referred to as long-run allowable amperage of cable for a long time.
Wherein, affect current-carrying capacity because have:
The long-term permission of A: cable conductor runs operating temperature, and this temperature is the highest, and long-run allowable amperage of cable is the biggest；
The differences such as B: ambient temperature residing for cable, air themperature, it is allowed to current-carrying capacity is the most different；
C: cable conductor sectional area, cross-sectional area of conductor is long-pending the biggest, it is allowed to current-carrying capacity is the biggest；
D: the resistance coefficient of cable conductor material, resistance coefficient is the biggest, it is allowed to current-carrying capacity is the least；
E: cable surrounding thermal resistance, thermal resistance is the biggest, dispels the heat the slowest, and current-carrying capacity is the least.
According to the influence factor of above-mentioned current-carrying capacity, owing to the composite cable of the present invention uses many cross sections to be Z-type
The aluminium alloy wire of arcuate or aluminum steel stranded, this most stranded be greatly increased effective cross section amass, improve compound electric
The current-carrying capacity of cable, current-carrying capacity is than using circular aluminium alloy wire to improve more than 60%, and the complement outside diameter of composite cable ratio uses circle
The aluminium alloy wire of shape reduces about 20%.
Further, described aluminium alloy wire preferably employs superalloy line or heat resistant aluminum alloy wire, and ultra heat resisting aluminum closes
Gold thread or heat-resisting aluminium alloy line resistivity are little, and work allows temperature high continuously, wherein, and the company of described superalloy line
Continuous work allows temperature to be 210 DEG C, and current-carrying capacity improves about 60% than common aluminum alloy line；The company of described heat resistant aluminum alloy wire
Continuous work allows temperature to be 150 DEG C, and current-carrying capacity improves about 40% than common aluminum alloy line；Thus, use superalloy line
Or heat resistant aluminum alloy wire is greatly improved current-carrying capacity.
Additionally, the composite cable of the present invention can leave certain gap between the layers so that composite cable has excellent
Different self-damping effect, decreases the vibration in composite cable running.
Compared with traditional like product, the composite cable of the present invention can meet heavy in section high pressure, the building of extra high voltage line
If decreasing electric power loss in the transmission, improve power transmission efficiency.
The composite cable of the present invention utilizes high-strength galvanized steel wire or carbon fiber complex core as conductor sandwich layer, thus improves
The tensile strength of composite cable, can realize big span built on stilts and improve the shaft tower quantity needed for current-carrying capacity, composite cable
Reduce, greatly reduce the costs such as manpower and materials, and land occupation resource is few；Further, phase in aluminium alloy wire or aluminum steel is utilized
Adjacent two are the most chimeric, and the cross section making the outer surface of cladding outer layer is full circle, thus not only further increases current-carrying capacity,
And make the smooth surface of composite cable, be effectively increased anti-ice-snow performance, and surface is difficult to adhere to dust, can effectively reduce
The noise of corona discharge generation and line loss.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (4)
1. a composite cable, it is characterised in that: include conductor sandwich layer, and outside the outer stranded cladding of described conductor sandwich layer
Layer, wherein, described conductor sandwich layer is high-strength galvanized steel wire, and described cladding outer layer is by many aluminium alloy wires or the stranded shape of aluminum steel
Becoming, adjacent in described aluminium alloy wire or aluminum steel two are the most chimeric, and the cross section of the outer surface of described cladding outer layer is full circle,
Described conductor sandwich layer is formed by many high-strength galvanized steel wires are stranded, and the filament diameter of described high-strength galvanized steel wire is
2.66mm, tensile strength is more than or equal to 2160MPA, and the cross section of described aluminium alloy wire or aluminum steel is Z-type, and described aluminium alloy wire is
Superalloy line or heat resistant aluminum alloy wire, wherein, the work continuously of described superalloy line allows temperature to be 210
DEG C, the work continuously of described heat resistant aluminum alloy wire allows temperature to be 150 DEG C, and described cladding outer layer includes multiple clad, described
Away from the aluminium alloy wire that single cross section is Z-type of clad of described conductor sandwich layer or aluminum steel in circumference side in multiple clads
Width upwards more than near the aluminium alloy wire that single cross section is Z-type of clad of described conductor sandwich layer or aluminum steel at circumference
Width on direction, described cross section is the aluminium alloy wire of Z-type or aluminum steel includes the first circumferential extensions, second circumferentially extending portion
With radially connected portion, described radially connected portion connects described first circumferential extensions and described second circumferentially extending portion, same
The aluminium alloy wire of described many cross section Z-types on clad or the radian of the first circumferential extensions of aluminum steel and arc identical length
Deng；The aluminium alloy wire of described many cross section Z-types on same clad or the radian in the radially connected portion of aluminum steel and arc length
Spend the most equal, and the half of the radian that the radian in described radially connected portion is described first circumferential extensions；At same clad
On the aluminium alloy wire of described many cross section Z-types or the radian in second circumferentially extending portion of aluminum steel and arc identical length etc..
Composite cable the most according to claim 1, it is characterised in that: two clads adjacent in the plurality of clad
The aluminium alloy wire that many cross sections are Z-type or aluminum steel in a circumferential direction mutually chimeric in opposite direction.
Composite cable the most according to claim 1, it is characterised in that: described first circumferential extensions and described conductor sandwich layer
Distance more than the distance of described second circumferentially extending portion and described conductor sandwich layer, described first circumferential extensions is in the circumferential
Width is more than described second circumferentially extending portion width in the circumferential.
Composite cable the most according to claim 1, it is characterised in that: described first circumferential extensions thickness diametrically
Plus described second circumferentially extending portion thickness diametrically equal to described radially connected portion thickness diametrically.
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| CN201410153664.1A CN103903672B (en) | 2014-04-16 | 2014-04-16 | Composite cable |
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| CN201410153664.1A CN103903672B (en) | 2014-04-16 | 2014-04-16 | Composite cable |
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| CN103903672B true CN103903672B (en) | 2017-01-11 |
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| CN107871556A (en) * | 2016-09-23 | 2018-04-03 | 江苏亨通电力电缆有限公司 | The aerial insulated cable and its manufacturing process of high current-carrying capacity |
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| JP2006318869A (en) * | 2005-05-16 | 2006-11-24 | J-Power Systems Corp | Spaced capacity-increased sag-suppressed electric wire |
| CN100481274C (en) * | 2007-04-16 | 2009-04-22 | 中国人民解放军国防科学技术大学 | Heat-resisting and low expansion double capacity compound material core aluminum twisted wire and making method thereof |
| CN101625911B (en) * | 2009-08-10 | 2011-05-11 | 广东吉青电缆实业有限公司 | High-conductivity anti-icing lead and production method thereof |
| CN202134262U (en) * | 2011-07-27 | 2012-02-01 | 郑州华力电缆有限公司 | Anti-ice-snow overhead conductor |
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Address after: 215000 Industrial Zone, seven Town, Wujiang District, Jiangsu, Suzhou Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Address before: 215000 Industrial Zone, seven Town, Wujiang District, Jiangsu, Suzhou Patentee before: Fujikura Hengtong Aerial Cable System Ltd. |
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Effective date of registration: 20200110 Address after: 215000 Qidu Industrial Zone, Wujiang District, Suzhou City, Jiangsu Province Co-patentee after: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Address before: 215000 Industrial Zone, seven Town, Wujiang District, Jiangsu, Suzhou Patentee before: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. |
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Effective date of registration: 20220126 Address after: 215000 Qidu Industrial Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Patentee after: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. Patentee after: JIANGSU HENGTONG WIRE&CABLE TECHNOLOGY Co.,Ltd. Address before: 215000 Qidu Industrial Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Patentee before: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. |