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CN110010291A - A kind of aerial insulated cable roll-forming conductor structure - Google Patents

A kind of aerial insulated cable roll-forming conductor structure Download PDF

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Publication number
CN110010291A
CN110010291A CN201910337512.XA CN201910337512A CN110010291A CN 110010291 A CN110010291 A CN 110010291A CN 201910337512 A CN201910337512 A CN 201910337512A CN 110010291 A CN110010291 A CN 110010291A
Authority
CN
China
Prior art keywords
conductor
radial section
uniconductor
layer
circle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910337512.XA
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Chinese (zh)
Inventor
艾卫民
郭国庆
曾红波
刘淼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gold Cup Electric Hengyang Cable Co Ltd
Original Assignee
Gold Cup Electric Hengyang Cable Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gold Cup Electric Hengyang Cable Co Ltd filed Critical Gold Cup Electric Hengyang Cable Co Ltd
Priority to CN201910337512.XA priority Critical patent/CN110010291A/en
Publication of CN110010291A publication Critical patent/CN110010291A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08Several wires or the like stranded in the form of a rope
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/006Constructional features relating to the conductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/008Power cables for overhead application

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  • Insulated Conductors (AREA)

Abstract

A kind of aerial insulated cable roll-forming conductor structure disclosed by the invention, it is circular inner conductor including a radial section and successively multilayer is stranded in the radial section is the multilayer outer conductor outside circular round inner conductor, the radial section of every layer of outer conductor is annular shape, and every layer of outer conductor can make up the outer layer uniconductor that radial section is circular ring shape and constituted by multiple, the radial section of outer layer uniconductor is sector;Wherein the inner circle of innermost layer outer conductor is contacted with the outer circle fitting of the round inner conductor, and the outer circle of the outer conductor of the inner circle and internal layer of the outer conductor of outer layer is bonded.Internal structure of the present invention is compact, and fill factor reaches 0.9 or more, reaches as high as 0.94;And the present invention of same specification presses that structural cable conductor diameter is small by 3% or more than typical round, while the requirement for meeting national standard, can effectively provide the utilization rate of raw material, reduce the waste to social resources.

Description

A kind of aerial insulated cable roll-forming conductor structure
Technical field
The present invention relates to power cable field, in particular to a kind of aerial insulated cable roll-forming conductor structure.
Background technique
Aerial insulated cable generally can be divided into duralumin cable architecture, hard copper cable architecture, steel core support construction by its structure difference Deng, since it is with good power supply line's high reliablity, erection and easy to maintenance and the economy main features such as rationally, because This, aerial insulated cable is widely used in domestic and international transmission line of electricity.
Currently, existing aerial insulated cable conductor processing technology is largely all made of, circle presses molding or molded line is twisted Moulding process, production efficiency is low, and the requirement in market is much not achieved.
Summary of the invention
It is an object of the invention to low for traditional aerial insulated cable conductor production efficiency, conductor filled coefficient is inclined Low existing insufficient and defect, provides a kind of roll-forming conductor structure suitable for the production of aerial insulated cable conductor, with It solves the above problems.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of aerial insulated cable roll-forming conductor structure, including radial section be circular inner conductor and according to It is the multilayer outer conductor outside circular round inner conductor, the radial section of every layer of outer conductor that secondary multilayer, which is stranded in the radial section, For annular shape, and every layer of outer conductor can make up the outer layer uniconductor that radial section is circular ring shape and constituted by multiple, and outer layer list is led The radial section of body is sector;Wherein the inner circle of innermost layer outer conductor is contacted with the outer circle fitting of the round inner conductor, outer layer The inner circle of outer conductor be bonded with the outer circle of the outer conductor of internal layer.
In a preferred embodiment of the invention, connecing between outer layer uniconductor adjacent in the outer conductor of the outer layer The seam stitched between the outer layer uniconductor adjacent with the outer conductor of internal layer circumferentially mutually staggers.
In a preferred embodiment of the invention, the radial section is circular round inner conductor from a root diameter to cutting Face is that circular single round inner conductor is constituted.
In a preferred embodiment of the invention, the radial section be circular round inner conductor by least two with One radial direction of upper composition is that the radial section of circle is that fan-shaped interior uniconductor is twisted.
In a preferred embodiment of the invention, connecing between outer layer uniconductor adjacent in the outer conductor of the outer layer The seam between adjacent interior uniconductor in seam and inner conductor mutually staggers.
In a preferred embodiment of the invention, the radial section is circular single round inner conductor, radial section The circle single line that diameter is Φ 2.91mm is all made of for fan-shaped interior uniconductor, outer layer uniconductor to pass through after active device for rolling and molding It rolls.
The present invention is using roll-forming technology will then by the hole type design of different size by drawing circle single line Circle single line is rolled into the sector conductor of design requirement after through active device for rolling and molding, by gathering mold forming, reaches work Skill sets the round conductor of each specification sectional area requirement, meets aluminium, copper conductor uses.
The present invention is according to the difference of specification, and the number of plies of conductor is different with every layer of radical, to guarantee the circle after conductor strand The angle of whole degree requirement, two straight flanges of each single sector conductor design of specifications design is different, by making after twisted molding Cable conductor becomes rounding.
Production efficiency of the present invention is 3~5 times of typical round compact conductor production efficiency.Traditional round compact conductor one As fill factor can only achieve 88% or so.The present invention can greatly improve conductor filled coefficient, reach 94% or more, conductive surface Rounding effectively reduces conductor diameter in the case where meeting cable conductor and complying with the national standard requirements, and reduces insulation dosage, from And achieve the purpose that save social resources.
Due to using technical solution as above, internal structure of the present invention is compact, and fill factor reaches 0.9 or more, highest Up to 0.94;And than typical round to press structural cable conductor diameter small by 3% or more by the present invention of same specification, is meeting country's mark While the requirement of standard, the utilization rate of raw material can be effectively provided, reduces the waste to social resources.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 1 of the present invention.
Fig. 2 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 2 of the present invention.
Fig. 3 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 3 of the present invention.
Fig. 4 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 4 of the present invention.
Fig. 5 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 5 of the present invention.
Fig. 6 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 6 of the present invention.
Fig. 7 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 7 of the present invention.
Fig. 8 is the sectional schematic diagram of aerial insulated cable roll-forming conductor structure embodiment 8 of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below into One step illustrates the present invention.
Embodiment 1
Referring to Fig. 1, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 2 that circular inner conductor 1 and one layer of radial section are circular ring shape, sectional area 35mm2.It is radial to cut Face be the outer conductor 2 of circular ring shape inner circle and radial section be circular inner conductor 1 outer circle be in close contact.
Radial section is that the outer conductor 2 of circular ring shape can form the outer layer uniconductor 2a structure that radial section is circular ring shape by 5 At;The radial section of each outer layer uniconductor 2a is sector, and the angle of fan-shaped two straight flanges is 70 °.
Radial section is circular inner conductor 1 and every radial section is that fan-shaped outer layer uniconductor 2a is all made of diameter and is The circle single line of Φ 2.91mm rolls after passing through active device for rolling and molding.
Embodiment 2
Referring to fig. 2, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 4 that circular inner conductor 3 and one layer of radial section are circular ring shape, sectional area 50mm2.It is radial to cut Face be the outer conductor 4 of circular ring shape inner circle and radial section be circular inner conductor 3 outer circle be in close contact.
Radial section is that the outer conductor 4 of circular ring shape can form the outer layer uniconductor 4a structure that radial section is circular ring shape by 7 At;The radial section of each outer layer uniconductor 4a is sector, and the angle of fan-shaped two straight flanges is 50 °.
Radial section is circular inner conductor 3 and every radial section is that fan-shaped outer layer uniconductor 4a is all made of diameter and is The circle single line of Φ 2.91mm rolls after passing through active device for rolling and molding.
Embodiment 3
Referring to Fig. 3, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 6 that circular inner conductor 5 and one layer of radial section are circular ring shape, sectional area 70mm2.It is radial to cut Face be the outer conductor 5 of circular ring shape inner circle and radial section be circular inner conductor 1 outer circle be in close contact.
Radial section be circular round inner conductor 5 by four constitute interior uniconductor 5a that a radial direction is circle it is twisted and At the radial section of interior uniconductor 5a is sector;The angle of fan-shaped two straight flanges of interior uniconductor 5a is 88 °.
Radial section is that the outer conductor 6 of circular ring shape can form the outer layer uniconductor 6a structure that radial section is circular ring shape by 9 At;The radial section of every outer layer uniconductor 6a is sector, and the angle of fan-shaped two straight flanges is 38 °.
Every radial section is that fan-shaped interior uniconductor 5a and every radial section are that fan-shaped outer layer uniconductor 6a is adopted With the circle single line that diameter is Φ 2.91mm by being rolled after active device for rolling and molding.
In seam and inner conductor 5 in outer conductor 6 between adjacent outer layer uniconductor 6a between adjacent interior uniconductor 5a Seam circumferentially mutually stagger.
Embodiment 4
Referring to fig. 4, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 8,9 that circular inner conductor 7 and two layers of radial section are circular ring shape, sectional area 95mm2.It is radial Section be the outer conductor 8 of circular ring shape inner circle and radial section be circular inner conductor 7 outer circle be in close contact;Radial section is The inner circle and radial section of the outer conductor 9 of circular ring shape are that the outer circle of the outer conductor 8 of circular ring shape is in close contact.
Radial section be circular round inner conductor 7 by two constitute interior uniconductor 7a that a radial direction is circle it is twisted and At the radial section of every interior uniconductor 7a is semicircle.
Radial section is that the outer conductor 8 of circular ring shape can form the outer layer uniconductor 8a structure that radial section is circular ring shape by 6 At;The radial section of each outer layer uniconductor 8a is sector, and the angle of fan-shaped two straight flanges is 58 °.
Radial section is that the outer conductor 9 of circular ring shape can form the outer layer uniconductor 9a structure that radial section is circular ring shape by 6 At;The radial section of each outer layer uniconductor 9a is sector, and the angle of fan-shaped two straight flanges is 48 °.
Every radial section is that fan-shaped interior uniconductor 7a and every radial section are that fan-shaped outer layer uniconductor 8a, 9a are equal Using diameter is the circle single line of Φ 2.91mm by rolling after active device for rolling and molding.
In seam in outer conductor 8 between adjacent outer layer uniconductor 8a and outer conductor 9 adjacent outer layer uniconductor 9a it Between seam circumferentially mutually stagger.
Embodiment 5
Referring to Fig. 5, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 11,12 that circular inner conductor 10 and two layers of radial section are circular ring shape, sectional area 120mm2。 Radial section be the outer conductor 11 of circular ring shape inner circle and radial section be circular inner conductor 10 outer circle be in close contact;It is radial Section is that the inner circle of the outer conductor 12 of circular ring shape and the outer circle for the outer conductor 11 that radial section is circular ring shape are in close contact.
Radial section be circular round inner conductor 10 by three constitute interior uniconductor 10a that a radial direction is circle it is twisted and At the radial section of every interior uniconductor 10a is sector;The angle of fan-shaped two straight flanges of every interior uniconductor 10a is 88 °.
Radial section is that the outer conductor 11 of circular ring shape can form the outer layer uniconductor 11a that radial section is circular ring shape by 7 It constitutes;The radial section of each outer layer uniconductor 11a is sector, and the angle of fan-shaped two straight flanges is 50 °.
Radial section is that the outer conductor 12 of circular ring shape can form the outer layer uniconductor 12a that radial section is circular ring shape by 11 It constitutes;The radial section of each outer layer uniconductor 12a is sector, and the angle of fan-shaped two straight flanges is 32 °.
Every radial section be fan-shaped interior uniconductor 10a and every radial section be fan-shaped outer layer uniconductor 11a, 12a is all made of after the circle single line that diameter is Φ 2.91mm passes through active device for rolling and molding and rolls.
Adjacent interior uniconductor 11a in seam and inner conductor 10 in outer conductor 11 between adjacent outer layer uniconductor 11a Between seam circumferentially mutually stagger.
Adjacent outer layer uniconductor in seam and outer conductor 12 in outer conductor 11 between adjacent outer layer uniconductor 11a Seam between 12a circumferentially mutually staggers.
Embodiment 6
Referring to Fig. 6, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 14,15 that circular inner conductor 13 and two layers of radial section are circular ring shape, sectional area 150mm2。 Radial section be the outer conductor 14 of circular ring shape inner circle and radial section be circular inner conductor 13 outer circle be in close contact;It is radial Section is that the inner circle of the outer conductor 15 of circular ring shape and the outer circle for the outer conductor 14 that radial section is circular ring shape are in close contact.
Radial section be circular round inner conductor 13 by four constitute interior uniconductor 13a that a radial direction is circle it is twisted and At the radial section of every interior uniconductor 13a is sector;The angle of fan-shaped two straight flanges of every interior uniconductor 13a is 58 °.
Radial section is that the outer conductor 14 of circular ring shape can form the outer layer uniconductor 14a that radial section is circular ring shape by 9 It constitutes;The radial section of each outer layer uniconductor 14a is sector, and the angle of fan-shaped two straight flanges is 38 °.
Radial section is that the outer conductor 15 of circular ring shape can form the outer layer uniconductor 15a that radial section is circular ring shape by 13 It constitutes;The radial section of each outer layer uniconductor 15a is sector, and the angle of fan-shaped two straight flanges is 27 °.
Every radial section be fan-shaped interior uniconductor 13a and every radial section be fan-shaped outer layer uniconductor 14a, 15a is all made of after the circle single line that diameter is Φ 2.91mm passes through active device for rolling and molding and rolls.
Adjacent interior uniconductor 13a in seam and inner conductor 13 in outer conductor 14 between adjacent outer layer uniconductor 14a Between seam circumferentially mutually stagger.
Adjacent outer layer uniconductor in seam and outer conductor 15 in outer conductor 14 between adjacent outer layer uniconductor 14a Seam between 15a circumferentially mutually staggers.
Embodiment 7
Referring to Fig. 7, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 17,18,19 that circular inner conductor 16 and three layers of radial section are circular ring shape, sectional area is 185mm2.Radial section is that the inner circle of the outer conductor 17 of circular ring shape and outer circle that radial section is circular inner conductor 16 closely connect Touching;Radial section is that the inner circle of the outer conductor 18 of circular ring shape and the outer circle for the outer conductor 17 that radial section is circular ring shape closely connect Touching, radial section is that the inner circle of the outer conductor 19 of circular ring shape and the outer circle for the outer conductor 18 that radial section is circular ring shape closely connect Touching.
Radial section is that the outer conductor 17 of circular ring shape can form the outer layer uniconductor 17a that radial section is circular ring shape by 6 It constitutes;The radial section of each outer layer uniconductor 17a is sector, and the angle of fan-shaped two straight flanges is 58 °.
Radial section is that the outer conductor 18 of circular ring shape can form the outer layer uniconductor 18a that radial section is circular ring shape by 11 It constitutes;The radial section of each outer layer uniconductor 18a is sector, and the angle of fan-shaped two straight flanges is 32 °.
Radial section is that the outer conductor 19 of circular ring shape can form the outer layer uniconductor 19a that radial section is circular ring shape by 14 It constitutes;The radial section of each outer layer uniconductor 19a is sector, and the angle of fan-shaped two straight flanges is 25 °.
Radial section is circular inner conductor 16 and every radial section is that fan-shaped outer layer uniconductor 17a, 18a, 19a are equal Using diameter is the circle single line of Φ 2.91mm by rolling after active device for rolling and molding.
Adjacent outer layer uniconductor in seam and outer conductor 18 in outer conductor 17 between adjacent outer layer uniconductor 17a Seam between 18a circumferentially mutually staggers.
Adjacent outer layer uniconductor in seam and outer conductor 19 in outer conductor 18 between adjacent outer layer uniconductor 18a Seam between 19a circumferentially mutually staggers.
Embodiment 8
Referring to Fig. 8, a kind of aerial insulated cable roll-forming conductor structure shown in figure, including a radial section It is twisted for the outer conductor 21,22,23 that circular inner conductor 20 and three layers of radial section are circular ring shape, sectional area is 240mm2.Radial section is that the inner circle of the outer conductor 21 of circular ring shape and outer circle that radial section is circular inner conductor 20 closely connect Touching;Radial section is that the inner circle of the outer conductor 22 of circular ring shape and the outer circle for the outer conductor 21 that radial section is circular ring shape closely connect Touching, radial section is that the inner circle of the outer conductor 23 of circular ring shape and the outer circle for the outer conductor 22 that radial section is circular ring shape closely connect Touching.
Radial section be circular round inner conductor 20 by two constitute interior uniconductor 20a that a radial direction is circle it is twisted and At the radial section of every interior uniconductor 20a is semicircle.
Radial section is that the outer conductor 21 of circular ring shape can form the outer layer uniconductor 21a that radial section is circular ring shape by 7 It constitutes;The radial section of each outer layer uniconductor 21a is sector, and the angle of fan-shaped two straight flanges is 44 °.
Radial section is that the outer conductor 22 of circular ring shape can form the outer layer uniconductor 22a that radial section is circular ring shape by 11 It constitutes;The radial section of each outer layer uniconductor 22a is sector, and the angle of fan-shaped two straight flanges is 32 °.
Radial section is that the outer conductor 23 of circular ring shape can form the outer layer uniconductor 23a that radial section is circular ring shape by 15 It constitutes;The radial section of each outer layer uniconductor 23a is sector, and the angle of fan-shaped two straight flanges is 23.4 °.
Radial section be semicircular interior uniconductor 20a and every radial section be fan-shaped outer layer uniconductor 21a, 22a, 23a is all made of after the circle single line that diameter is Φ 2.91mm passes through active device for rolling and molding and rolls.
Adjacent outer layer uniconductor in seam and outer conductor 22 in outer conductor 21 between adjacent outer layer uniconductor 21a Seam between 22a circumferentially mutually staggers.
Adjacent outer layer uniconductor in seam and outer conductor 23 in outer conductor 22 between adjacent outer layer uniconductor 22a Seam between 23a circumferentially mutually staggers.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The present invention is not by upper The limitation of embodiment is stated, the above embodiments and description only illustrate the principle of the present invention, is not departing from the present invention Under the premise of spirit and scope, various changes and improvements may be made to the invention, these changes and improvements both fall within claimed In the scope of the invention.The scope of the present invention is defined by the appended claims and its equivalents.

Claims (6)

1. a kind of aerial insulated cable roll-forming conductor structure, including a radial section is for circular inner conductor and successively It is the multilayer outer conductor outside circular round inner conductor that multilayer, which is stranded in the radial section, and the radial section of every layer of outer conductor is Annular shape, and every layer of outer conductor by it is multiple can make up radial section be circular ring shape outer layer uniconductor constitute, outer layer uniconductor Radial section be sector;Wherein the inner circle of innermost layer outer conductor is contacted with the outer circle fitting of the round inner conductor, outer layer The outer circle of the outer conductor of the inner circle and internal layer of outer conductor is bonded.
2. a kind of aerial insulated cable roll-forming conductor structure as described in claim 1, which is characterized in that the outer layer Outer conductor in connecing between seam between the adjacent outer layer uniconductor outer layer uniconductor adjacent with the outer conductor of internal layer Seam circumferentially mutually staggers.
3. a kind of aerial insulated cable roll-forming conductor structure as described in claim 1, which is characterized in that the radial direction It by a radial section is that circular single round inner conductor is constituted that section, which is circular round inner conductor,.
4. a kind of aerial insulated cable roll-forming conductor structure as described in claim 1, which is characterized in that the radial direction Section is circular round inner conductor, and to constitute a radial direction be round radial section is singly to lead in sector by least two or more Body is twisted.
5. such as a kind of claim 4 to aerial insulated cable roll-forming conductor structure, which is characterized in that described outer Seam phase between seam in the outer conductor of layer between the adjacent outer layer uniconductor interior uniconductor adjacent in inner conductor Mutually it is staggered.
6. a kind of aerial insulated cable roll-forming conductor structure as described in claim 1, which is characterized in that the radial direction Section is circular single round inner conductor, radial section is that be all made of diameter be Φ for fan-shaped interior uniconductor, outer layer uniconductor The circle single line of 2.91mm rolls after passing through active device for rolling and molding.
CN201910337512.XA 2019-04-25 2019-04-25 A kind of aerial insulated cable roll-forming conductor structure Pending CN110010291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910337512.XA CN110010291A (en) 2019-04-25 2019-04-25 A kind of aerial insulated cable roll-forming conductor structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910337512.XA CN110010291A (en) 2019-04-25 2019-04-25 A kind of aerial insulated cable roll-forming conductor structure

Publications (1)

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CN110010291A true CN110010291A (en) 2019-07-12

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Application Number Title Priority Date Filing Date
CN201910337512.XA Pending CN110010291A (en) 2019-04-25 2019-04-25 A kind of aerial insulated cable roll-forming conductor structure

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB485408A (en) * 1936-03-05 1938-05-19 Siemens Ag Improvements in or relating to air insulated electric cables
CN101944406A (en) * 2010-09-26 2011-01-12 杭州电缆有限公司 Overhead insulated cable
CN103730191A (en) * 2014-01-15 2014-04-16 广州迈安特新能源科技有限公司 Tight type copper aluminum mixed structured cable conductor
CN204577166U (en) * 2015-05-12 2015-08-19 无锡华能电缆有限公司 The anti-ice cover aerial insulated cable of multi-core cable structure
CN209912594U (en) * 2019-04-25 2020-01-07 金杯电工衡阳电缆有限公司 Roll-forming conductor structure for overhead insulated cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB485408A (en) * 1936-03-05 1938-05-19 Siemens Ag Improvements in or relating to air insulated electric cables
CN101944406A (en) * 2010-09-26 2011-01-12 杭州电缆有限公司 Overhead insulated cable
CN103730191A (en) * 2014-01-15 2014-04-16 广州迈安特新能源科技有限公司 Tight type copper aluminum mixed structured cable conductor
CN204577166U (en) * 2015-05-12 2015-08-19 无锡华能电缆有限公司 The anti-ice cover aerial insulated cable of multi-core cable structure
CN209912594U (en) * 2019-04-25 2020-01-07 金杯电工衡阳电缆有限公司 Roll-forming conductor structure for overhead insulated cable

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