CN204215761U - A kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable - Google Patents
A kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable Download PDFInfo
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- CN204215761U CN204215761U CN201420694738.8U CN201420694738U CN204215761U CN 204215761 U CN204215761 U CN 204215761U CN 201420694738 U CN201420694738 U CN 201420694738U CN 204215761 U CN204215761 U CN 204215761U
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Abstract
The external sheath layer of employing EVM sheath rubber that the utility model discloses a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable, comprise cable core, be positioned at the load-bearing component of the employing steel wire rope of cable core both sides and cable core and load-bearing component are coated togather; Cable core is followed successively by the conductor of employing 8000 series alloys molded line, the inner restrictive coating adopting the first wrapped separator of polyester banding pattern nonwoven fabrics, the insulating barrier of employing EPDM insulation rubber, the second separator adopting nonwoven fabrics wrapped, the screen of employing tinned copper wire braiding, the 3rd separator adopting nonwoven fabrics wrapped, employing semi-cure EVM sheath rubber and the reinforced layer adopting aramid fiber yarn to weave from the inside to the outside.The construction of cable of the present utility model is simple, rationally, conductor adopts 8000 series alloys molded line, lightweight; Cable material meets low smoke, zero halogen and ROHS environmental protection standard; Adopt aramid fiber yarn braiding reinforced layer, be symmetrical arranged two load-bearing component steel wire ropes on cable core side, enhance the resistance to tension of cable.
Description
Technical field
The utility model relates to a kind of building cable, particularly a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable.
Background technology
When current copper, aluminium cost performance difference increase, aluminium alloy conductor has greater advantage, in resistivity: the resistivity of copper is the resistivity of 100%, 8000 series alloys is 61.8%, and therefore, the principle that aluminium alloy cable substitutes copper cable is that sectional area is expanded 1.5 times; In ductility: the elongation of copper and 8000 series alloys is all more than 30%; In antifatigue: copper and 8000 series alloys bend not easy fractures repeatedly, and the ballistic properties of copper is higher, and 8000 series alloys ballistic properties are only 40% of copper, are easy to bending forming, traction, poling; In stability: anti-oxidant, the decay resistance of 8000 series alloys are better than copper.
Low smoke, zero halogen environment-friendly cable can not send the environment-friendly cable of toxic smog (as: hydrogen halides, carbon monoxide, carbon dioxide etc.) when referring to the burning that the sizing material of the surrounding material such as not halogen-containing (F, Cl, Br, I, At), not leaded cadmium chromium mercury makes.Because it has excellent fire-retardant, low cigarette, low toxicity performance, produce the defect that a large amount of smog makes people suffocate and corrodes instrument and equipment when overcoming traditional halogen containing polymers burning, therefore represent the development trend of current electric wire.
At present, along with the increase of story height, require more and more higher to the tensile property of cable, this is because at the position of cable vertical hanging, cable produces internal tension under the effect of self gravitation, this part pulling force is often concentrated and is put on the conductor of cable inside, and through stressed for a long time, the conductive capability of cable can be had a strong impact on.
Utility model content
The purpose of this utility model is to provide a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable rational in infrastructure.
The technical scheme realizing the utility model object is a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable, the external sheath layer of employing EVM sheath rubber comprising cable core, be positioned at the load-bearing component of the employing steel wire rope of cable core both sides and cable core and load-bearing component be coated togather; Cable core is followed successively by the conductor of employing 8000 series alloys molded line, the inner restrictive coating adopting the first wrapped separator of polyester banding pattern nonwoven fabrics, the insulating barrier of employing EPDM insulation rubber, the second separator adopting nonwoven fabrics wrapped, the screen of employing tinned copper wire braiding, the 3rd separator adopting nonwoven fabrics wrapped, employing semi-cure EVM sheath rubber and the reinforced layer adopting aramid fiber yarn to weave from the inside to the outside.
Described conductor is multilayer molded line concentric stranding structure.
Described screen is the braiding of two-layer tinned copper wire.
Described load-bearing component is symmetricly set on the both sides of cable core.
The thickness of described insulating barrier is 3.0-5.0mm
Have employed technique scheme, the utility model has following beneficial effect: (1) construction of cable of the present utility model is simple, reasonable; Adopt aramid fiber yarn braiding reinforced layer, be symmetrical arranged two load-bearing component steel wire ropes on cable core side, enhance the resistance to tension of cable.
(2) cable of the present utility model does not adopt semiconductive conductor screen outward at conductor, semi-conductive insulation shield is not adopted outside insulation, after direct increasing insulation thickness, to insulate outer employing tinned copper wire braid shielded in second third, such shield effectiveness is better and screen is not oxidizable.
(3) the utility model adopts 8000 series alloys molded line conductors, conductor material can reach the percentage elongation being not less than 15%, be not less than the yield strength of 60MPa, be not less than 100MPa tensile strength, resistivity reaches the excellent electricapparatus performance such as 61%IACS (20 DEG C), lightweight.
(4) the utility model adopts molded line concentric stranding structure, makes pressing coefficient and reaching about 0.97 of conductor, and external diameter presses than routine and strandedly reduces 3% ~ 6%, reduces cable cost, and has better bending property, be easy to mounting and installation.
(5) cable insulation of the present utility model and sheath material meet low smoke, zero halogen and ROHS environmental protection standard.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model.
Label in accompanying drawing is: cable core 1, conductor 11, first separator 12, insulating barrier 13, second separator 14, screen 15, the 3rd separator 16, inner restrictive coating 17, reinforced layer 18, load-bearing component 2, external sheath layer 3.
Embodiment
(embodiment 1)
See Fig. 1, a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable of the present embodiment, the external sheath layer 3 of employing EVM sheath rubber comprising cable core 1, be positioned at the load-bearing component 2 of the employing steel wire rope of cable core 1 both sides and cable core 1 and load-bearing component 2 are coated togather.Cable core 1 is followed successively by the conductor 11 of employing 8000 series alloys molded line conductor from the inside to the outside, adopt the first separator 12 that polyester banding pattern nonwoven fabrics is wrapped, adopt the insulating barrier 13 of low smoke, zero halogen environmental protection EPDM insulation rubber, adopt the second separator 14 that reinforced non-woven fabrics is wrapped, adopt the screen 15 of tinned copper wire braiding, adopt the 3rd separator 16 that reinforced non-woven fabrics is wrapped, adopt the inner restrictive coating 17 of semivulcanized low smoke, zero halogen environment-friendly high-intensity EVM sheath rubber and adopt the reinforced layer 18 of aramid fiber yarn braiding.
Conductor 1 is multilayer molded line concentric stranding structure.Screen 15 is the braiding of two-layer tinned copper wire.Load-bearing component 2 is symmetricly set on the both sides of cable core 1.The thickness of insulating barrier 13 is 3.0-5.0mm.
The cable Rubber Extruder of the present embodiment and jet chimney continuous vulcanization are produced.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable, is characterized in that: the external sheath layer (3) of employing EVM sheath rubber comprising cable core (1), be positioned at the load-bearing component (2) of the employing steel wire rope of cable core (1) both sides and cable core (1) and load-bearing component (2) be coated togather, cable core (1) is followed successively by the conductor (11) of employing 8000 series alloys molded line from the inside to the outside, adopt the first separator (12) that polyester banding pattern nonwoven fabrics is wrapped, adopt the insulating barrier (13) of EPDM insulation rubber, adopt the second separator (14) that nonwoven fabrics is wrapped, adopt the screen (15) of tinned copper wire braiding, adopt the 3rd separator (16) that nonwoven fabrics is wrapped, adopt the inner restrictive coating (17) of semi-cure EVM sheath rubber and adopt the reinforced layer (18) of aramid fiber yarn braiding.
2. a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable according to claim 1, is characterized in that: described conductor (1) is multilayer molded line concentric stranding structure.
3. a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable according to claim 1, is characterized in that: described screen (15) weaves for two-layer tinned copper wire.
4. a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable according to claim 1, is characterized in that: described load-bearing component (2) is symmetricly set on the both sides of cable core (1).
5., according to a kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable one of Claims 1-4 Suo Shu, it is characterized in that: the thickness of described insulating barrier (13) is 3.0-5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694738.8U CN204215761U (en) | 2014-11-18 | 2014-11-18 | A kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694738.8U CN204215761U (en) | 2014-11-18 | 2014-11-18 | A kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204215761U true CN204215761U (en) | 2015-03-18 |
Family
ID=52984410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420694738.8U Expired - Fee Related CN204215761U (en) | 2014-11-18 | 2014-11-18 | A kind of skyscraper aluminium alloy molded line conductor low smoke, zero halogen environmental protection Plastic-sheathed Cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204215761U (en) |
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2014
- 2014-11-18 CN CN201420694738.8U patent/CN204215761U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20171118 |