CN104616746B - It is easy to the aluminium alloy flexible cable of construction - Google Patents

It is easy to the aluminium alloy flexible cable of construction Download PDF

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Publication number
CN104616746B
CN104616746B CN201510014068.XA CN201510014068A CN104616746B CN 104616746 B CN104616746 B CN 104616746B CN 201510014068 A CN201510014068 A CN 201510014068A CN 104616746 B CN104616746 B CN 104616746B
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parts
stranded
flexible cable
fire
easy
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CN104616746A (en
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王国权
陆春良
沈建新
宋志斌
马成
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Jiangsu Hengtong Wire and Cable Technology Co Ltd
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Jiangsu Hengtong Wire and Cable Technology Co Ltd
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Priority to CN201710676305.8A priority Critical patent/CN108615572A/en
Application filed by Jiangsu Hengtong Wire and Cable Technology Co Ltd filed Critical Jiangsu Hengtong Wire and Cable Technology Co Ltd
Priority to CN201710675812.XA priority patent/CN108615574A/en
Priority to CN201610715509.3A priority patent/CN107045902A/en
Priority to CN201710564284.0A priority patent/CN107731361A/en
Priority to CN201510014068.XA priority patent/CN104616746B/en
Priority to CN201710675811.5A priority patent/CN108335782A/en
Priority to CN201710564321.8A priority patent/CN107731362A/en
Priority to CN201610714810.2A priority patent/CN107045899A/en
Publication of CN104616746A publication Critical patent/CN104616746A/en
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    • 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
    • H01B9/00—Power cables
    • H01B9/006—Constructional features relating to the conductors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • 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
    • H01B7/02—Disposition of insulation
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0225—Three or more layers
    • 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
    • H01B7/02—Disposition of insulation
    • H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
    • 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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • 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
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • 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
    • H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Insulated Conductors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention discloses a kind of aluminium alloy flexible cable for being easy to construct, including three conductor wire cores, and circular aramid fiber core outer surface is stranded some first aluminum alloy round conductors；Polyethylene insulation band outer surface is coated with a polyvinyl chloride inner liner, and a fire retardant polyolefin flexible sheath layer is located at the polyvinyl chloride inner liner outer surface；Circular aramid fiber core is formed by some aramid fiber silks are stranded；One fire-resistant isinglass belt is coated with insulating jacket layer around three conductor wire core outer surfaces, the fire-resistant isinglass belt outer surface is coated on；The insulating jacket layer is composed of the following components：Thermoplastic poly ammonia phenol elastomer, low density polyethylene (LDPE), ethylene ethyl acrylate, ethylene-butylene copolymer, silica, butyronitrile compound, haloflex, zinc stannate, magnesium hydroxide, compound molybdenum smoke suppressant.Present invention substantially reduces vortex, reduce the loss of circuit, improve electric conductivity, bending property and the decay resistance of cable, and cause material in burning with good into charcoal effect.

Description

It is easy to the aluminium alloy flexible cable of construction
Technical field
The present invention relates to a kind of communication power supply cable, more particularly to a kind of aluminium alloy flexible cable for being easy to construct.
Background technology
Communication power supply is with the power supply connecting line that flexible cable is a kind of communications facility, at telecommunication bureau station, distribution box cabinet etc Widely used in distribution system.Communication power supply is not required nothing more than with flexible cable with good flexibility, so as in narrow space Conveniently laid in the case of interior or similar, and require that there is preferable anti-flammability, to adapt under the harsh occasion of fire-protection rating Use requirement.Although being not limited to communication power supply flexible cable exemplified above respectively has a corresponding technique effect, exist with Common shortcoming down：First, due to being that, using stranded thin copper wire as conductor, and this conductor is referred to as five class copper by industry Conductor, thus softness can not meet desired requirement.And it is restricted bending radius due to pliability difference, because And in narrow space, hindered by immovable object or even when the occasion at the place of talking in a roundabout way etc is laid, easily influence is constructed Speed；Second, due to generally selecting the conductor with copper as flexible cable under technology prejudice, thus reasonable employment former material is not only existed Blindness in terms of material, and cause the manufacturing cost of flexible cable big；Third, due to heavy weight, thus not only logistics transportation, storehouse The cost stored up in link is high, and workmen's labor intensity is big in laid processes, consumes cost of labor high.
The content of the invention
The present invention provides a kind of aluminium alloy flexible cable for being easy to construct, and the aluminium alloy flexible cable improves Flame Retardancy Can, the oxygen index (OI) for representing anti-flammability is high, and cause material in burning with good into charcoal effect, also improve cable Electric conductivity, bending property and decay resistance, and reduce space and the installation cost of mounting arrangement.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of aluminium alloy flexible cable for being easy to construct, including Three conductor wire cores, this conductor wire core further comprises circular aramid fiber core, and circular aramid fiber core outer surface is stranded has for this Outside some first aluminum alloy round conductors, and some first aluminum alloy round conductor formation inner conducting layers, this inner conducting layer Surface is stranded some second aluminum alloy round conductors, and some second aluminum alloy round conductor formation outer conducting layers, one Polyethylene insulation band is around being wrapped in the outer conducting layer outer surface；
The polyethylene insulation band outer surface is coated with a polyvinyl chloride inner liner, a fire retardant polyolefin flexible sheath layer position It is provided between the polyvinyl chloride inner liner outer surface, polyvinyl chloride inner liner and fire retardant polyolefin the flexible sheath layer PVC foam insulating barrier；
The circular aramid fiber core is formed by some aramid fiber silks are stranded；One fire-resistant isinglass belt is around being coated on three The conductor wire core outer surface, the fire-resistant isinglass belt outer surface is coated with insulating jacket layer, and the insulating jacket layer is by following Component is constituted：
80 ~ 100 parts of TPUE,
Melt index is 1 ~ 8g/10min 10 ~ 20 parts of low density polyethylene (LDPE),
8 ~ 15 parts of ethylene ethyl acrylate,
5 ~ 10 parts of ethylene-butylene copolymer,
4 ~ 8 parts of silica,
8 ~ 20 parts of butyronitrile compound,
5 ~ 10 parts of haloflex,
5 ~ 15 parts of zinc stannate,
5 ~ 12 parts of magnesium hydroxide,
Compound 2 ~ 8 parts of molybdenum smoke suppressant,
1 ~ 5 part of montmorillonite,
1 ~ 3 part of calcium-zinc composite stabilizing agent,
It is double（3,5- three-level butyl -4- hydroxy phenyls）1 ~ 3 part of thioether,
2 ~ 4 parts of zinc stearate.
Further improved technical scheme is as follows in above-mentioned technical proposal：
1. in such scheme, the first aluminum alloy round conductor strand direction is that dextrad is stranded, second aluminum alloy round Conductor strand direction is that left-hand is stranded.
2. in such scheme, filled with some PP gasket for packings between the fire-resistant isinglass belt and conductor wire core.
3. having several cavities in such scheme, in the PVC foam insulating barrier, this several hollow volume accounts for institute State the 30 ~ 45% of PVC foam insulating barrier.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. the present invention is easy to the aluminium alloy flexible cable of construction, using 2 layers of conductive layer, inner conducting layer is by several " Z " fonts Conductor strand is formed, and outer conducting layer is formed by several trapezoidal conductor strands, which greatly reduces vortex, reduces the damage of circuit Consumption, improves electric conductivity, bending property and the decay resistance of cable, reduces cable caloric value, ensure that cable exists Keep continuous electric property stable when long term overloading and overheat.
2. the present invention be easy to construction aluminium alloy flexible cable, its insulating jacket layer include TPUE 80 ~ 100 parts, the melt index of collocation is 1 ~ 8g/10min 10 ~ 20 parts of low density polyethylene (LDPE), 8 ~ 15 parts of ethylene ethyl acrylate, calcium 1 ~ 3 part of zinc composite stabilizer, it is double（3,5- three-level butyl -4- hydroxy phenyls）1 ~ 3 part of thioether, 2 ~ 4 parts of zinc stearate, ethylene butene 5 ~ 10 parts of copolymer, 4 ~ 8 parts of silica, 5 ~ 10 parts of haloflex so that the first restrictive coating combines respective advantage, carries High against weather and fire resistance, stabilizing effect, radiotolerant characteristic, while improving insulating properties, surface abrasion resistance And case hardness, surface cloudy surface matte effect is excellent and reduces the shrinkage factor of material；Secondly, insulating jacket layer further contains tin Sour 5 ~ 15 parts of zinc, 5 ~ 12 parts of magnesium hydroxide is combined 2 ~ 8 parts of molybdenum smoke suppressant, and 1 ~ 5 part of montmorillonite simultaneously acts synergistically with other components, 8 ~ 20 parts of butyronitrile compound, improves greatly Flame Retardancy energy, and the oxygen index (OI) for representing anti-flammability is high, and causes material in combustion Stable hollow compound carbon structure is formd, second-time burning and the flame of material is prevented into charcoal effect with good during burning Propagate.
3. the present invention is easy to the aluminium alloy flexible cable of construction, its polyethylene insulation band outer surface is coated with a polyvinyl chloride Inner liner, a fire retardant polyolefin flexible sheath layer is located at the polyvinyl chloride inner liner outer surface, the polyvinyl chloride inner liner PVC foam insulating barrier is provided between fire retardant polyolefin flexible sheath layer so that flexible cable, tensile strength is big, current-carrying capacity is high, Pliability is high, flexible, and its close structure, and minimum bending radius declines most 4 times cable sizes, reduces mounting arrangement Space, reduce installation cost, it is easier to lay.
Brief description of the drawings
Accompanying drawing 1 is easy to the aluminium alloy soft cable structure schematic diagram of construction for the present invention.
In the figures above：1st, circular aramid fiber core；2nd, inner conducting layer；21st, the first aluminum alloy round conductor；3rd, outer conduction Layer；31st, the second aluminum alloy round conductor；4th, polyethylene insulation band；5th, polyvinyl chloride inner liner；6th, PVC foam insulating barrier；61st, it is empty Hole；7th, fire retardant polyolefin flexible sheath layer；8th, conductor wire core；9th, fire-resistant isinglass belt；10th, insulating jacket layer；11st, PP gasket for packings.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1 ~ 5：A kind of aluminium alloy flexible cable for being easy to construct, including three conductor wire cores 8, this conductor wire core 8 enter One step includes circular aramid fiber core 1, and this circular outer surface of aramid fiber core 1 is stranded some first aluminum alloy round conductors 21, and some first aluminum alloy round conductors 21 formation inner conducting layers 2, outer surface of inner conducting layer 2 is stranded some for this Second aluminum alloy round conductor 31, and some formation of second aluminum alloy round conductor 31 outer conducting layers 3, a polyethylene insulation band 4 around being wrapped in the outer surface of outer conducting layer 3；
The outer surface of polyethylene insulation band 4 is coated with a polyvinyl chloride inner liner 5, a fire retardant polyolefin flexible sheath layer 7 are located between the outer surface of polyvinyl chloride inner liner 5, polyvinyl chloride inner liner 5 and fire retardant polyolefin the flexible sheath layer 7 It is provided with PVC foam insulating barrier 6；
The circular aramid fiber core 1 is formed by some aramid fiber silks are stranded；One fire-resistant isinglass belt 9 is around being coated on three The individual outer surface of the conductor wire core 8, the outer surface of fire-resistant isinglass belt 9 is coated with insulating jacket layer 10；Above-mentioned insulating jacket layer 10 is composed of the following components, specific as shown in table 1：
Table 1
Filled with some PP gasket for packings between above-mentioned fire-resistant isinglass belt 9 and conductor wire core 8.
There are several cavities 61, this several empty 61 volume accounts for the PVC foam in above-mentioned PVC foam insulating barrier 6 The 42% of insulating barrier 6.
The above-mentioned direction of lay of first aluminum alloy round conductor 21 is that dextrad is stranded, the stranded side of the second aluminum alloy round conductor 31 To for left-hand it is stranded.
The aluminium alloy flexible cable performance for being easy to construction of embodiment 1 ~ 5 is shown in Table 2：
Table 2
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (5)

1. a kind of aluminium alloy flexible cable for being easy to construct, it is characterised in that：Including three conductor wire cores（8）, this conductor wire core（8） Further comprise circular aramid fiber core（1）, this circular aramid fiber core（1）Outer surface is stranded some first aluminum alloy rounds Conductor（21）, and some first aluminum alloy round conductors（21）Form inner conducting layer（2）, this inner conducting layer（2）Outer surface It is stranded to have some second aluminum alloy round conductors（31）, and some second aluminum alloy round conductors（31）Form outer conducting layer （3）, a polyethylene insulation band（4）Around being wrapped in the outer conducting layer（3）Outer surface；
The polyethylene insulation band（4）Outer surface is coated with a polyvinyl chloride inner liner（5）, a fire retardant polyolefin flexible sheath layer （7）Positioned at the polyvinyl chloride inner liner（5）Outer surface, the polyvinyl chloride inner liner（5）With fire retardant polyolefin flexible sheath Layer（7）Between be provided with PVC foam insulating barrier（6）；
The circular aramid fiber core（1）Formed by some aramid fiber silks are stranded；One fire-resistant isinglass belt（9）Around being coated on three The individual conductor wire core（8）Outer surface, the fire-resistant isinglass belt（9）Outer surface is coated with insulating jacket layer（10）, the insulation Restrictive coating（10）It is composed of the following components：
80 ~ 100 parts of TPUE,
Melt index is 1 ~ 8g/10min 10 ~ 20 parts of low density polyethylene (LDPE),
8 ~ 15 parts of ethylene ethyl acrylate,
5 ~ 10 parts of ethylene-butylene copolymer,
4 ~ 8 parts of silica,
8 ~ 20 parts of butyronitrile compound,
5 ~ 10 parts of haloflex,
5 ~ 15 parts of zinc stannate,
5 ~ 12 parts of magnesium hydroxide,
Compound 2 ~ 8 parts of molybdenum smoke suppressant,
1 ~ 5 part of montmorillonite,
1 ~ 3 part of calcium-zinc composite stabilizing agent,
It is double（3,5- three-level butyl -4- hydroxy phenyls）1 ~ 3 part of thioether,
2 ~ 4 parts of zinc stearate.
2. the aluminium alloy flexible cable according to claim 1 for being easy to construct, it is characterised in that：First aluminum alloy round is led Body（21）Direction of lay is that dextrad is stranded, the second aluminum alloy round conductor（31）Direction of lay is that left-hand is stranded.
3. the aluminium alloy flexible cable according to claim 1 for being easy to construct, it is characterised in that：The PVC foam insulating barrier （6）It is interior that there is several cavities（61）.
4. the aluminium alloy flexible cable according to claim 3 for being easy to construct, it is characterised in that：Several described cavities（61） Volume accounts for the PVC foam insulating barrier（6）30 ~ 45%.
5. the aluminium alloy flexible cable according to claim 1 for being easy to construct, it is characterised in that：The fire-resistant isinglass belt（9） With conductor wire core（8）Between filled with some PP gasket for packings.
CN201510014068.XA 2015-01-12 2015-01-12 It is easy to the aluminium alloy flexible cable of construction Active CN104616746B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CN201710675812.XA CN108615574A (en) 2015-01-12 2015-01-12 High-flexibility tensile type communication cable
CN201610715509.3A CN107045902A (en) 2015-01-12 2015-01-12 Telecommunications distribution system low-loss alloy flexible cable
CN201710564284.0A CN107731361A (en) 2015-01-12 2015-01-12 Communications facility flame-retardant fire-resistant aluminium alloy cable
CN201510014068.XA CN104616746B (en) 2015-01-12 2015-01-12 It is easy to the aluminium alloy flexible cable of construction
CN201710676305.8A CN108615572A (en) 2015-01-12 2015-01-12 The fire-retardant communication flexible cable of low-loss
CN201710564321.8A CN107731362A (en) 2015-01-12 2015-01-12 Aluminium alloy flexible cable for communication power supply
CN201710675811.5A CN108335782A (en) 2015-01-12 2015-01-12 Radiation resistance communication flexible cable
CN201610714810.2A CN107045899A (en) 2015-01-12 2015-01-12 High-flexibility facilitates laid type alloy cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510014068.XA CN104616746B (en) 2015-01-12 2015-01-12 It is easy to the aluminium alloy flexible cable of construction

Related Child Applications (7)

Application Number Title Priority Date Filing Date
CN201710564284.0A Division CN107731361A (en) 2015-01-12 2015-01-12 Communications facility flame-retardant fire-resistant aluminium alloy cable
CN201710676305.8A Division CN108615572A (en) 2015-01-12 2015-01-12 The fire-retardant communication flexible cable of low-loss
CN201710675811.5A Division CN108335782A (en) 2015-01-12 2015-01-12 Radiation resistance communication flexible cable
CN201610715509.3A Division CN107045902A (en) 2015-01-12 2015-01-12 Telecommunications distribution system low-loss alloy flexible cable
CN201710675812.XA Division CN108615574A (en) 2015-01-12 2015-01-12 High-flexibility tensile type communication cable
CN201710564321.8A Division CN107731362A (en) 2015-01-12 2015-01-12 Aluminium alloy flexible cable for communication power supply
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CN201510014068.XA Active CN104616746B (en) 2015-01-12 2015-01-12 It is easy to the aluminium alloy flexible cable of construction
CN201710676305.8A Pending CN108615572A (en) 2015-01-12 2015-01-12 The fire-retardant communication flexible cable of low-loss
CN201610714810.2A Pending CN107045899A (en) 2015-01-12 2015-01-12 High-flexibility facilitates laid type alloy cable
CN201710564321.8A Pending CN107731362A (en) 2015-01-12 2015-01-12 Aluminium alloy flexible cable for communication power supply
CN201610715509.3A Pending CN107045902A (en) 2015-01-12 2015-01-12 Telecommunications distribution system low-loss alloy flexible cable
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CN201710564321.8A Pending CN107731362A (en) 2015-01-12 2015-01-12 Aluminium alloy flexible cable for communication power supply
CN201610715509.3A Pending CN107045902A (en) 2015-01-12 2015-01-12 Telecommunications distribution system low-loss alloy flexible cable
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CN108335782A (en) 2018-07-27
CN107731362A (en) 2018-02-23
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CN108615572A (en) 2018-10-02
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