CN203941755U - A kind of wear-resisting withstand voltage cable - Google Patents
A kind of wear-resisting withstand voltage cable Download PDFInfo
- Publication number
- CN203941755U CN203941755U CN201320892872.4U CN201320892872U CN203941755U CN 203941755 U CN203941755 U CN 203941755U CN 201320892872 U CN201320892872 U CN 201320892872U CN 203941755 U CN203941755 U CN 203941755U
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- Prior art keywords
- cable
- wear
- withstand voltage
- insulating barrier
- conductor
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- 230000004888 barrier function Effects 0.000 claims abstract description 34
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 23
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 21
- -1 polyethylene Polymers 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 229920000573 polyethylene Polymers 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000032683 aging Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 8
- 229920000459 Nitrile rubber Polymers 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 210000001138 tear Anatomy 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Abstract
The utility model provides a kind of wear-resisting withstand voltage cable, comprise cable inner core, and be coated on successively from inside to outside outside described cable inner core, for improving described cable resistance to wear and flexible screen and restrictive coating, described cable inner core is by many stranded the forming of insulation core wire; Described in each, insulation core wire comprises conductor, and is coated on the insulating barrier outside described conductor; Wherein, described restrictive coating and described insulating barrier are butyronitrile polyvinyl chloride composite bed or butyronitrile polyethylene composite bed.The beneficial effects of the utility model: improved ageing resistance and the resistance to wear of cable, and improved the hot strength of cable, strengthened the overall flexibility of cable, can better protect the conductor in insulating barrier.
Description
Technical field
The utility model relates to power cable technical field, more particularly, relates to a kind of wear-resisting withstand voltage cable.
Background technology
Along with the raising of electric automatization degree, the occasion that unit need to move around is also more and more, for preventing that cable tangles, weares and teares, pulls, fractures, often cable is put into cable-pulling chain, and cable is formed to protection.In actual use, drag chain system electric wire also usually comes and goes bending with drag chain, and this has proposed very high request to the bend resistance of drag chain system electric wire, tear-proof and abrasive resistance.
Existing cable, is comprised of at the polyvinyl chloride insulation layer of conductor periphery conductor, extrusion moulding conventionally, and its useful life, bend resistance and lear energy are all very limited; In use procedure, thereby the insulating barrier of cable is easily worn and the insulating properties of the destruction cable that ruptures, and then affects physics and the electric property of cable, has larger potential safety hazard.
Utility model content
The technical problems to be solved in the utility model is, for defects such as cable in prior art easily tangle, weares and teares and fractures, provides a kind of high flexibility wear-resisting wear-resisting withstand voltage cable.
The utility model solves the technical scheme that its technical problem adopts: a kind of wear-resisting withstand voltage cable is provided, comprise cable inner core, and be coated on successively from inside to outside outside described cable inner core, for improving described cable resistance to wear and flexible screen and restrictive coating, described cable inner core is by many stranded the forming of insulation core wire; Described in each, insulation core wire comprises conductor, and is coated on the insulating barrier outside described conductor; Wherein, described restrictive coating and described insulating barrier are butyronitrile polyvinyl chloride composite bed or butyronitrile polyethylene composite bed.
In wear-resisting withstand voltage cable described in the utility model, the thickness of described restrictive coating is 0.6mm～1mm.
In wear-resisting withstand voltage cable described in the utility model, the thickness of described insulating barrier is 0.3mm～0.8mm.
In wear-resisting withstand voltage cable described in the utility model, described cable inner core is stranded the making of twisting mode that many described insulation core wires adopt armour formula.
In wear-resisting withstand voltage cable described in the utility model, the stranded gap between many described insulation core wires has packed layer.
In wear-resisting withstand voltage cable described in the utility model, described packed layer adopts flexible polyester fiber rope or the stranded formation of flexible reinforcement.
In wear-resisting withstand voltage cable described in the utility model, described screen adopts flexible zinc-plated proof copper-wire braided or the wrapped shielding of aluminium foil.
In wear-resisting withstand voltage cable described in the utility model, in order to anneal, copper free wire is stranded to be made described conductor.
In wear-resisting withstand voltage cable described in the utility model, described conductor adopts the stranded mode bundle of armour to be stranding into.
Implement wear-resisting withstand voltage cable of the present utility model, there is following beneficial effect: by adopting butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material to make protective layer and the insulating barrier of cable, ageing resistance and the resistance to wear of cable have been improved greatly, and improved the hot strength of cable, strengthened the overall flexibility of cable; In addition; adopt the screen of flexible zinc-plated proof copper-wire braided or the wrapped formation of aluminium foil also can strengthen cable resistance to wear and pliability in use; better protect the conductor in insulating barrier; avoid cable protective layer and insulating barrier wearing and tearing or fracture and destroy the insulating properties of cable in the process moving around, cause potential safety hazard.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the wear-resisting withstand voltage cable that provides of the utility model preferred embodiment.
Embodiment
For defects such as cable in prior art easily tangle, weares and teares and fractures; the utility model adopts butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material to make protective layer and the insulating barrier of cable; ageing resistance and the resistance to wear of cable have been improved greatly; and improved the hot strength of cable; strengthened the overall flexibility of cable; can better protect the conductor in insulating barrier; avoid cable protective layer and insulating barrier wearing and tearing or fracture and destroy the insulating properties of cable in the process moving around, cause potential safety hazard.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the wear-resisting withstand voltage cable that the utility model preferred embodiment provides, comprise cable inner core 3, and be coated on successively from inside to outside outside cable inner core 3, for improving cable resistance to wear and flexible screen 2 and restrictive coating 1, cable inner core 3 forms by many insulation core wires 4 are stranded; Each insulation core wire 4 comprises conductor 5, and is coated on the insulating barrier 6 outside conductor 5; Wherein, restrictive coating 1 and insulating barrier 6 are made by butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material.
Concrete, conductor 5 is by how to form with soft copper wire (not indicating on figure) bundle strand, described in each, soft copper wire is annealing copper free wire, described annealing copper free wire is the oxygen-free fine copper that does not also contain any deoxidier residue, its electricapparatus performance is very good, and the monofilament percentage elongation of described copper free wire surpasses 30%, the high explanation of monofilament percentage elongation copper wire is soft, ductility is strong, and bend resistance ability is strong.
Be different from blister copper silk of the prior art, the filament diameter of the soft copper wire that the utility model is used is all less than 0.18mm, because the filament diameter of soft copper wire in the utility model is little, make to make the quantity of the required soft copper wire of the conductor 5 of same external diameter much larger than the quantity of the blister copper silk using described in prior art, like this can the suffered external force of effective dispersed cable, therefore, the electric conductivity of the utility model conductor 5 is strong, without Hydrogen Brittleness Phenomena, be not easy fracture, there is extremely strong bend resistance ability, through surpassing to come and go for millions of times after bending is moved, can not rupture, and then guarantee the physics of cable and electric property unaffected.
In addition, adopt the stranded mode bundle of armour to be stranding into conductor 5 on many soft copper wires, and adopt flexible high-grade polyester fiber silk to fill stranded gap.Wherein, in order to ensure the conductor 5 making, have stronger intensity and bending ability, when stranded, twisting pitch is 8～12 times of conductor 5 external diameters, direction of lay adopt " Z " to.
Further, adopt plsitive mold at conductor 5 outer cladding insulating barriers 6, thereby obtain insulation core wire 4.Insulating barrier 6 adopts butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material to make, to meet the strong withstand voltage and strong anti-wear performance of cable.
Wherein, butyronitrile polyvinyl chloride composite materials is made by the raw material of following parts by weight: 10～40 parts of 10～30 parts of acrylonitrile-butadiene rubbers, 80～100 parts of polyvinyl chloride, 2～8 parts, zinc oxide, 1～2 part of anti-aging agent RD, 1～3 part of stearic acid, 20～40 parts, potter's clay and o-phthalic acid dibutyl esters, wherein anti-aging agent RD is 2,2,4-trimethyl-1,2-dihyaroquinoline condensate or 2,2,4-trimethyl-1,2-dihydroquinoline polymer, potter's clay is boccaro; Butyronitrile composite polyethylene material is made by the raw material of following parts by weight: 10～30 parts of acrylonitrile-butadiene rubbers, 90～100 parts of polyethylene, 2～3 parts of epoxidized soybean oils, 1～3 part of stearic acid, 10～20 parts of o-phthalic acid dibutyl esters.
The insulating barrier 6 that the utility model adopts is different from the polyvinyl chloride insulation layer of traditional cable; butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material have greatly improved the ageing resistance of cable; and improved hot strength; strengthened the overall flexibility of cable; make insulating barrier 6 can better protect in conductor 5; thereby the insulating properties of avoiding destroying because of insulating barrier 6 wearing and tearing cable, causes potential safety hazard.
In addition; the thickness of the utility model insulating barrier 6 is 0.3mm～0.8mm; the insulating barrier 6 of making due to butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material has stronger pliability and resistance to wear; make the thickness of traditional polyvinyl chloride insulation layer need reach the more than a times of insulating barrier 6 thickness described in the utility model, just can there is the protection effect identical with the utility model insulating barrier 6.Therefore, compare with traditional insulating barrier, its thickness subtracts and is a half, and does not affect the serviceability of cable when reducing cable quality.In the present embodiment, the thickness of insulating barrier 6 is 0.5mm.
Further, thereby obtain insulation core wire 4 at conductor 5 outer cladding insulating barriers 6, then adopted the twisting mode of armour formula to carry out the stranded cable inner core 3 that obtains many described insulation core wires 4.Wherein, stranded direction by skin be inwardly followed successively by " S "-" Z "-" S " etc. to, and add packed layer 7 in the stranded space between many insulation core wires 4, described packed layer 7 adopts flexible high-grade polyester fiber rope or the stranded formation of flexible reinforcement, and described flexible reinforcement is that metal material or the nonmetallic materials that electric conductivity is low are made.By add packed layer 7 in stranded space, can not only play a protective role to insulation core wire 4, avoid insulation core wire 4 breakages and the insulating properties of destruction cable, and can strengthen ductility and the bend resistance ability of whole cable.
Further, a tightly wrapped screen 2 outside cable inner core 3, described screen 2 adopts flexible zinc-plated proof copper-wire braided or the wrapped shielding of aluminium foil, and shielding density guarantees more than 80%.By described screen 2, can guarantee that cable core 3 can not become flexible, and the twisting pitch of cable core 3, stranded external diameter etc. can be because of loosening and larger variation occurs.In addition, the screen that adopts flexible zinc-plated proof copper-wire braided or aluminium foil to make has good pliability, makes whole cable have extremely strong bend resistance ability, thereby guarantees the physics of whole cable and the impact that electric property is not subject to come and go for millions of times bending motion.
Further, at screen 2 outer cladding one restrictive coatings 1, restrictive coating 1 is the most important part of cable, and it is not damaged mainly for the protection of inner cable inner core 3 and screen 2.In the process moving around at unit, restrictive coating 1 directly contacts and rubs with extraneous.Therefore, the ductility of restrictive coating 1 and tear resistance have directly affected anti-wear performance and the pliability of whole cable.In the utility model, restrictive coating 1 is evenly coated on outside screen 2 by the mode of extruding, it adopts butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material to make, because the raw material composition of butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material is identical with insulating barrier 6, its raw material part repeats no more.
The butyronitrile polyvinyl chloride composite materials that adopts this raw material part to make, can take acrylonitrile-butadiene rubber as main component, in acrylonitrile-butadiene rubber, add polyvinyl chloride or polyethylene, to improve weatherability and the resistance to wear of acrylonitrile-butadiene rubber, thereby make whole cable also there is stronger resistance to wear thering is the powerful flexible while; Or take polyvinyl chloride or polyethylene as main component, in polyvinyl chloride or polyethylene, add acrylonitrile-butadiene rubber, with reinforced polyvinyl chloride or poly resistance to impact, thereby make whole cable when thering is powerful resistance to wear, also there is stronger pliability.
Therefore, the restrictive coating 1 that adopts butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material to make, can make mechanical performance, anti-wear performance and the flexility etc. of cable reach best, more applicable for the place that environment is severe.Adopt this restrictive coating 1, cable is occurring can effectively to protect inner conductor 5 not to be damaged after friction or mechanical shock, thereby extends the useful life of cable and guarantee that unit transmits electricity normally.Preferably, in the present embodiment, the thickness of restrictive coating 1 is 0.6mm～1mm.
In sum, the utility model adopts butyronitrile polyvinyl chloride composite materials or butyronitrile composite polyethylene material to make protective layer and the insulating barrier of cable, improve greatly ageing resistance and the resistance to wear of cable, and improved the hot strength of cable, strengthened the overall flexibility of cable; In addition; adopt the screen of flexible zinc-plated proof copper-wire braided or the wrapped formation of aluminium foil also can strengthen cable resistance to wear and pliability in use; better protect the conductor in insulating barrier; avoid cable protective layer and insulating barrier wearing and tearing or fracture and destroy the insulating properties of cable in the process moving around, cause potential safety hazard.
Although the utility model describes by specific embodiment, it will be appreciated by those skilled in the art that, in the situation that not departing from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, for particular condition or material, can make various modifications to the utility model, and not depart from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall within the scope of the utility model claim.
Claims (5)
1. a wear-resisting withstand voltage cable, it is characterized in that, comprise cable inner core (3), and be coated on successively from inside to outside outside described cable inner core (3), for improving described cable resistance to wear and flexible screen (2) and restrictive coating (1), described cable inner core (3) is by stranded the forming of many insulation core wires (4); Insulation core wire described in each (4) comprises conductor (5), and is coated on the outer insulating barrier (6) of described conductor (5); Wherein, described restrictive coating (1) and described insulating barrier (6) are butyronitrile polyvinyl chloride composite bed or butyronitrile polyethylene composite bed; Described conductor (5) is stranding into for annealing copper free wire adopts the stranded mode bundle of armour, the filament diameter of described annealing copper free wire is less than 0.18mm, the thickness of described restrictive coating (1) is 0.6mm～1mm, and the thickness of described insulating barrier (6) is 0.3mm～0.8mm.
2. wear-resisting withstand voltage cable according to claim 1, is characterized in that, described cable inner core (3) is stranded the making of twisting mode of many described insulation core wires (4) employing armour formula.
3. wear-resisting withstand voltage cable according to claim 2, is characterized in that, the stranded gap between many described insulation core wires (4) has packed layer (7).
4. wear-resisting withstand voltage cable according to claim 3, is characterized in that, described packed layer (7) adopts flexible polyester fiber rope or the stranded formation of flexible reinforcement.
5. wear-resisting withstand voltage cable according to claim 1, is characterized in that, described screen (2) adopts flexible zinc-plated proof copper-wire braided or the wrapped shielding of aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892872.4U CN203941755U (en) | 2013-12-31 | 2013-12-31 | A kind of wear-resisting withstand voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892872.4U CN203941755U (en) | 2013-12-31 | 2013-12-31 | A kind of wear-resisting withstand voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941755U true CN203941755U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320892872.4U Expired - Fee Related CN203941755U (en) | 2013-12-31 | 2013-12-31 | A kind of wear-resisting withstand voltage cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203941755U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655024A (en) * | 2014-11-24 | 2016-06-08 | 深圳市联嘉祥科技股份有限公司 | Anti-interference shielding communication tow-chain cable and preparation method thereof |
| CN105679427A (en) * | 2016-04-27 | 2016-06-15 | 河北华通线缆集团股份有限公司 | Reinforced composite rubber sheathed flat flexible cable and production technology thereof |
| CN105810351A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | Metro low frequency communication signal transmission cable and manufacturing method thereof |
| CN108133780A (en) * | 2016-11-30 | 2018-06-08 | 广东吉青电缆实业有限公司 | A kind of flexible high-speed motion drag chain controlling cable of intelligent robot |
-
2013
- 2013-12-31 CN CN201320892872.4U patent/CN203941755U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655024A (en) * | 2014-11-24 | 2016-06-08 | 深圳市联嘉祥科技股份有限公司 | Anti-interference shielding communication tow-chain cable and preparation method thereof |
| CN105810351A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | Metro low frequency communication signal transmission cable and manufacturing method thereof |
| CN105679427A (en) * | 2016-04-27 | 2016-06-15 | 河北华通线缆集团股份有限公司 | Reinforced composite rubber sheathed flat flexible cable and production technology thereof |
| CN108133780A (en) * | 2016-11-30 | 2018-06-08 | 广东吉青电缆实业有限公司 | A kind of flexible high-speed motion drag chain controlling cable of intelligent robot |
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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 |
Granted publication date: 20141112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |