CN104575825A - Aluminum twisted wire for overhead power transmission - Google Patents

Aluminum twisted wire for overhead power transmission Download PDF

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Publication number
CN104575825A
CN104575825A CN201410834741.XA CN201410834741A CN104575825A CN 104575825 A CN104575825 A CN 104575825A CN 201410834741 A CN201410834741 A CN 201410834741A CN 104575825 A CN104575825 A CN 104575825A
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China
Prior art keywords
aluminium
carbon fiber
parts
single line
conductive layer
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CN201410834741.XA
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CN104575825B (en
Inventor
李名珍
马军
谢松华
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Research Institute of Southern Power Grid Co Ltd
Jiangsu Hengtong Electric Power Special Wire Co Ltd
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Jiangsu Hengtong Electric Power Special Wire Co Ltd
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Priority to CN201410834741.XA priority Critical patent/CN104575825B/en
Priority to CN201610288428.XA priority patent/CN106024135A/en
Priority to CN201610292066.1A priority patent/CN106024173A/en
Priority to CN201610288896.7A priority patent/CN106024172A/en
Publication of CN104575825A publication Critical patent/CN104575825A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/008—Power cables for overhead application
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
    • C09J167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • 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
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
    • 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
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
    • H01B5/105—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of synthetic filaments, e.g. glass-fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0812—Aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The invention discloses an aluminum twisted wire for overhead power transmission. The aluminum twisted wire comprises a stressed unit positioned at the center, and a first aluminum conducting layer, a second aluminum conducting layer and a third aluminum conducting layer which are sequentially twisted with the outer surface of the stressed unit, wherein the stressed unit comprises a first carbon fiber single wire and 6 second carbon fiber single wires twisted with the outer surface of the first carbon fiber single wire; polyester adhesive filling parts are filled in an aluminum layer and positioned among a plurality of carbon fiber raw yarns; the polyester adhesive filling parts are formed by mixing a first component and a second component according to the mass ratio of 1:(2 to 4); the first component comprises the following raw materials in parts by weight: N-307 unsaturated polyester, butyl acrylate, iso-octyl acrylate, normal butanol, methylbenzene, talcum powder, aluminum powder, calcium carbonate and triethylene tetramine. The aluminum twisted wire not only guarantees the round of the carbon fiber raw yarns in the aluminum layer, but also avoids the aluminum layer damage during subsequent use, thereby guaranteeing the reliability of the electrical property, and the bending radius is reduced to 6 times the diameter of a cable.

Description

Overhead power transmission aluminium profiles twisted wire
Technical field
The present invention relates to a kind of as aerial condutor, particularly relate to a kind of overhead power transmission aluminium profiles twisted wire.
Background technology
The aluminum conductor of overhead power transmission is a kind of extraordinary wire of good performance, especially 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 wire reduce.
Summary of the invention
The invention provides a kind of overhead power transmission aluminium profiles twisted wire, this overhead power transmission aluminum conductor both ensure that some carbon fibre precursor roundings in aluminium lamination, it also avoid the damage of follow-up in use aluminium lamination, thus ensure that the reliability of electrical property, bending radius decline most 6 times of cable sizes.
For achieving the above object, the technical solution used in the present invention is: a kind of overhead power transmission aluminium profiles twisted wire, comprise the stress unit that is positioned at center and stranded the first aluminium conductive layer in stress unit outer surface, the second aluminium conductive layer and the 3rd aluminium conductive layer successively, described stress unit comprises the first carbon fiber single line of being positioned at center and stranded in the first carbon fiber single line outer surface 6 second carbon fiber single lines, described first carbon fiber single line and the second carbon fiber single line outer surface are all coated with aluminium lamination, and the thickness of described aluminium lamination is 0.1 ~ 0.4mm;
Described first carbon fiber single line and the second carbon fiber single line are formed by left and right direction of lay is stranded by some carbon fibre precursors, and the diameter of described first carbon fiber single line and the second carbon fiber single line is 2mm ~ 4mm;
Described first aluminium conductive layer forms by 8 ~ 10 first aluminium single lines are stranded, and described second aluminium conductive layer forms by 14 ~ 16 second aluminium single lines are stranded, and described 3rd aluminium conductive layer forms by 20 ~ 22 the 3rd aluminium single lines are stranded; Polyester gluing filling part is filled with in described aluminium lamination between some carbon fibre precursors;
Described polyester gluing filling part is mixed according to the mass ratio of 1:2 ~ 4 by the first component and second component, and described first component is made up of the component of following weight portion:
Described first component is made up of the raw material of following weight parts:
N-307 unsaturated polyester (UP) 100 parts,
Butyl acrylate 10 ~ 25 parts,
Isooctyl acrylate monomer 10 ~ 30 parts,
N-butanol 8 ~ 10 parts,
Toluene 8 ~ 10 parts,
Talcum powder 1 ~ 3 part,
Aluminium powder 3 ~ 5 parts,
8 ~ 12 parts, calcium carbonate,
Triethylene tetramine 0.5 ~ 1 part;
Described second component is made up of the component of following weight portion:
100 parts, acrylic acid,
Methyl methacrylate 30 ~ 35 parts,
Ethylene glycol 20 ~ 25 parts,
Toluene di-isocyanate(TDI) 10 ~ 15 parts,
Dibutyl tin laurate 1 ~ 2 part,
Benzoyl peroxide 0.5 ~ 1 part,
Septichen phenyl ester 0.5 ~ 0.8 part.
The technical scheme improved further in technique scheme is as follows:
1. in such scheme, in described first aluminium conductive layer, the number of the first aluminium single line is 9, and in described second aluminium conductive layer, the number of the second aluminium single line is 15, and in described 3rd aluminium conductive layer, the number of the 3rd aluminium single line is 21.
2. in such scheme, in described first aluminium conductive layer, the first aluminium single line direction of lay is dextrad, and in described second aluminium conductive layer, the second aluminium single line direction of lay is left-hand, and in described 3rd aluminium conductive layer, the 3rd aluminium single line direction of lay is dextrad.
3., in such scheme, in described first carbon fiber single line and the second carbon fiber single line, the number of carbon fibre precursor is at least 100.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. overhead power transmission aluminium profiles twisted wire of the present invention, the polyester gluing filling part of special formulation is filled with between some carbon fibre precursors in its aluminium lamination, both some carbon fibre precursor roundings in aluminium lamination had been ensure that, it also avoid the damage of follow-up in use aluminium lamination, thus ensure that the reliability of electrical property, polyester gluing filler bonding force is strong, seamless seal structure is defined between some carbon fibre precursors, have good heat-resisting, cold resistance, the corrosion of acid and alkali-resistance salt medium and thermal stability, stationarity is good, anti-slipping property is strong, prevent the defect brought because carbon fibre precursor is smooth, ensure that uniform force, thermal resistance function admirable.
2. overhead power transmission aluminium profiles twisted wire of the present invention, avoid current individual carbon fibers diameter of mandrel large, bending stress is large, require sabot, construction bending diameter is very large, cause unfolding conductor, the defect that jointing requirements is high, prior art frequently occurs that plug crimping construction wrong hidden danger and the wire that arrives go offline transmission line power-off fault, polyester gluing filling part is filled with in its aluminium lamination between some carbon fibre precursors, make stranded carbon fiber wire rounding, be also conducive to fixing twisting pitch, ensure that the advantage keeping bending diameter little for a long time; Secondly, 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 coefficient of safety is improved.
3. overhead power transmission aluminium profiles twisted wire of the present invention, the carbon fiber generation of aluminium coating layer 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 useful life of circuit.
Accompanying drawing explanation
Accompanying drawing 1 is overhead power transmission aluminium profiles twisted wire structural representation of the present invention;
Accompanying drawing 2 is stress unit structural representation in accompanying drawing 1.
In above accompanying drawing: 1, stress unit; 2, the first aluminium conductive layer; 21, the first aluminium single line; 3, the second aluminium conductive layer; 31, the second aluminium single line; 4, the 3rd aluminium conductive layer; 41, the 3rd aluminium single line; 5, the first carbon fiber single line; 6, the second carbon fiber single line; 7, aluminium lamination; 8, carbon fibre precursor; 9, polyester gluing filling part.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1 ~ 3: a kind of overhead power transmission aluminium profiles twisted wire, comprise the stress unit 1 that is positioned at center and stranded the first aluminium conductive layer 2, second aluminium conductive layer 3 in stress unit 1 outer surface and the 3rd aluminium conductive layer 4 successively, described stress unit 1 comprises the first carbon fiber single line 5 of being positioned at center and stranded in the first carbon fiber single line 5 outer surface 6 second carbon fiber single lines 6, described first carbon fiber single line 5 and the second carbon fiber single line 6 outer surface are all coated with aluminium lamination 7, and the thickness of described aluminium lamination 7 is 0.1 ~ 0.4mm;
Described first carbon fiber single line 5 and the second carbon fiber single line 6 are formed by left and right direction of lay is stranded by some carbon fibre precursors 8, and the diameter of described first carbon fiber single line 5 and the second carbon fiber single line 6 is 2mm ~ 4mm;
Described first aluminium conductive layer 2 forms by 8 ~ 10 first aluminium single lines 21 are stranded, and described second aluminium conductive layer 3 forms by 14 ~ 16 second aluminium single lines 31 are stranded, and described 3rd aluminium conductive layer 4 forms by 20 ~ 22 the 3rd aluminium single lines 41 are stranded; Polyester gluing filling part 9 is filled with in described aluminium lamination 7 between some carbon fibre precursors 8;
Described polyester gluing filling part 9 is mixed according to the mass ratio of 1:2 ~ 4 by the first component and second component, and described first component is made up of the component of following weight portion:
Described first component is made up of the raw material of following weight parts:
Table 1
Embodiment 1 Embodiment 2 Embodiment 3
N-307 unsaturated polyester (UP) 100 parts 100 parts 100 parts 100 parts
Butyl acrylate 10 ~ 25 parts 22 parts 18 parts 15 parts
Isooctyl acrylate monomer 10 ~ 30 parts 12 parts 26 parts 18 parts
N-butanol 8 ~ 10 parts 8 parts 10 parts 9 parts
Toluene 8 ~ 10 parts 9 parts 8.5 part 9 parts
Talcum powder 1 ~ 3 part 2 parts 1.5 part 3 parts
Aluminium powder 3 ~ 5 parts 4 parts 3 parts 4.5 part
8 ~ 12 parts, calcium carbonate 9 parts 10 parts 11 parts
Triethylene tetramine 0.5 ~ 1 part 0.6 part 0.8 part 0.9 part
Described second component is made up of the component of following weight portion:
Table 2
Embodiment 1 Embodiment 2 Embodiment 3
100 parts, acrylic acid 100 parts 100 parts 100 parts
Methyl methacrylate 30 ~ 35 parts 32 parts 30 parts 35 parts
Ethylene glycol 20 ~ 25 parts 20 parts 25 parts 22 parts
Toluene di-isocyanate(TDI) 10 ~ 15 parts 10 parts 15 parts 12 parts
Dibutyl tin laurate 1 ~ 2 part 1 part 1.5 part 1.8 part
Benzoyl peroxide 0.5-1 part 0.6 part 1 part 0.8 part
Septichen phenyl ester 0.5-0.8 part 0.8 part 0.5 part 0.8 part
In embodiment 1, the first component and second component mix according to the mass ratio of 1:2, and in embodiment 2, the first component and second component mix according to the mass ratio of 1:3, and in embodiment 3, the first component and second component mix according to the mass ratio of 1:2.6;
In above-mentioned first aluminium conductive layer 2, the number of the first aluminium single line 21 is 9, and in described second aluminium conductive layer 3, the number of the second aluminium single line 31 is 15, and in described 3rd aluminium conductive layer 4, the number of the 3rd aluminium single line 41 is 21.
In above-mentioned first aluminium conductive layer 2, the first aluminium single line 21 direction of lay is dextrad, and in described second aluminium conductive layer 3, the second aluminium single line 31 direction of lay is left-hand, and in described 3rd aluminium conductive layer 4, the 3rd aluminium single line 41 direction of lay is dextrad.
In above-mentioned first carbon fiber single line 5 and the second carbon fiber single line 6, the number of carbon fibre precursor 8 is at least 100.
When adopting above-mentioned overhead power transmission aluminium profiles twisted wire, both some carbon fibre precursor roundings in aluminium lamination had been ensure that, it also avoid the damage of follow-up in use aluminium lamination, thus ensure that the reliability of electrical property, polyester gluing filler bonding force is strong, seamless seal structure is defined between some carbon fibre precursors, there is good heat-resisting, cold resistance, acid and alkali-resistance salt medium corrode and thermal stability, stationarity is good, anti-slipping property is strong, prevent the defect brought because carbon fibre precursor is smooth, ensure that uniform force, thermal resistance function admirable; Avoid current individual carbon fibers diameter of mandrel large, bending stress is large, require sabot, construction bending diameter is very large, causes unfolding conductor, the defect that jointing requirements is high, prior art frequently occurs that plug crimping construction wrong hidden danger and the wire that arrives go offline transmission line power-off fault, is filled with polyester gluing filling part, makes stranded carbon fiber wire rounding in its aluminium lamination between some carbon fibre precursors, also be conducive to fixing twisting pitch, ensure that the advantage keeping bending diameter little for a long time; Secondly, 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 coefficient of safety is improved; Again, the carbon fiber generation of its aluminium coating layer 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 useful life of circuit.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (4)

1. an overhead power transmission aluminium profiles twisted wire, it is characterized in that: comprise the stress unit (1) that is positioned at center and stranded in the first aluminium conductive layer (2) of stress unit (1) outer surface successively, second aluminium conductive layer (3) and the 3rd aluminium conductive layer (4), described stress unit (1) comprises the first carbon fiber single line (5) of being positioned at center and stranded in the first carbon fiber single line (5) outer surface 6 second carbon fiber single lines (6), described first carbon fiber single line (5) and the second carbon fiber single line (6) outer surface are all coated with aluminium lamination (7), the thickness of described aluminium lamination (7) is 0.1 ~ 0.4mm,
Described first carbon fiber single line (5) and the second carbon fiber single line (6) are formed by left and right direction of lay is stranded by some carbon fibre precursors (8), and the diameter of described first carbon fiber single line (5) and the second carbon fiber single line (6) is 2mm ~ 4mm;
Described first aluminium conductive layer (2) forms by 8 ~ 10 first aluminium single lines (21) are stranded, described second aluminium conductive layer (3) forms by 14 ~ 16 second aluminium single lines (31) are stranded, and described 3rd aluminium conductive layer (4) forms by 20 ~ 22 the 3rd aluminium single lines (41) are stranded; Be positioned between some carbon fibre precursors (8) and be filled with polyester gluing filling part (9) in described aluminium lamination (7);
Described polyester gluing filling part (9) is mixed according to the mass ratio of 1:2 ~ 4 by the first component and second component, and described first component is made up of the component of following weight portion:
Described first component is made up of the raw material of following weight parts:
N-307 unsaturated polyester (UP) 100 parts,
Butyl acrylate 10 ~ 25 parts,
Isooctyl acrylate monomer 10 ~ 30 parts,
N-butanol 8 ~ 10 parts,
Toluene 8 ~ 10 parts,
Talcum powder 1 ~ 3 part,
Aluminium powder 3 ~ 5 parts,
8 ~ 12 parts, calcium carbonate,
Triethylene tetramine 0.5 ~ 1 part;
Described second component is made up of the component of following weight portion:
100 parts, acrylic acid,
Methyl methacrylate 30 ~ 35 parts,
Ethylene glycol 20 ~ 25 parts,
Toluene di-isocyanate(TDI) 10 ~ 15 parts,
Dibutyl tin laurate 1 ~ 2 part,
Benzoyl peroxide 0.5 ~ 1 part,
Septichen phenyl ester 0.5 ~ 0.8 part.
2. overhead power transmission aluminium profiles twisted wire according to claim 1, it is characterized in that: in described first aluminium conductive layer (2), the number of the first aluminium single line (21) is 9, in described second aluminium conductive layer (3), the number of the second aluminium single line (31) is 15, and in described 3rd aluminium conductive layer (4), the number of the 3rd aluminium single line (41) is 21.
3. overhead power transmission aluminium profiles twisted wire according to claim 1, it is characterized in that: in described first aluminium conductive layer (2), the first aluminium single line (21) direction of lay is dextrad, in described second aluminium conductive layer (3), the second aluminium single line (31) direction of lay is left-hand, and in described 3rd aluminium conductive layer (4), the 3rd aluminium single line (41) direction of lay is dextrad.
4. overhead power transmission aluminium profiles twisted wire according to claim 1, is characterized in that: the number of described first carbon fiber single line (5) and the middle carbon fibre precursor (8) of the second carbon fiber single line (6) is at least 100.
CN201410834741.XA 2014-12-29 2014-12-29 Overhead power transmission aluminium profiles twisted wire Active CN104575825B (en)

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CN104882197A (en) * 2015-06-02 2015-09-02 江苏亨通线缆科技有限公司 Aluminum alloy flexible cable for power supply to communications facilities
CN104882193A (en) * 2015-06-02 2015-09-02 江苏亨通线缆科技有限公司 High-strength three-core soft cable for communication power supplies
CN104952523A (en) * 2015-06-02 2015-09-30 江苏亨通线缆科技有限公司 Flame-retardant flexible cable for communication power supply
CN105047263A (en) * 2015-06-02 2015-11-11 江苏亨通线缆科技有限公司 Flexible cable for communication power supply
CN106297986A (en) * 2015-06-02 2017-01-04 江苏亨通线缆科技有限公司 High intensity power supply flexible cable for communication base station
CN106298025A (en) * 2015-06-02 2017-01-04 江苏亨通线缆科技有限公司 High intensity communication power supply is with three core flexible cables

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Inventor after: Li Mingzhen

Inventor after: Ma Jun

Inventor after: Xie Songhua

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