CN109119194A - A kind of Novel tensile special cable - Google Patents
A kind of Novel tensile special cable Download PDFInfo
- Publication number
- CN109119194A CN109119194A CN201811014841.2A CN201811014841A CN109119194A CN 109119194 A CN109119194 A CN 109119194A CN 201811014841 A CN201811014841 A CN 201811014841A CN 109119194 A CN109119194 A CN 109119194A
- Authority
- CN
- China
- Prior art keywords
- layer
- tension rope
- fire
- novel tensile
- special cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims 2
- 125000002252 acyl group Chemical group 0.000 claims 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 229920003020 cross-linked polyethylene Polymers 0.000 claims 1
- 239000004703 cross-linked polyethylene Substances 0.000 claims 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- FTCZPMDTJZCISS-UHFFFAOYSA-N C1(=CC=CC=C1)N(C1=C(C=CC=C1)NC=O)C=O Chemical compound C1(=CC=CC=C1)N(C1=C(C=CC=C1)NC=O)C=O FTCZPMDTJZCISS-UHFFFAOYSA-N 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- CZSOUHCUPOPPRC-UHFFFAOYSA-N 3-phenylphthalaldehyde Chemical compound O=CC1=CC=CC(C=2C=CC=CC=2)=C1C=O CZSOUHCUPOPPRC-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
- H01B7/1895—Internal space filling-up means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/47—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes fibre-reinforced plastics, e.g. glass-reinforced plastics
-
- 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
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers 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
- H01B7/17—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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- 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
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- 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
-
- 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
A kind of Novel tensile special cable, including at least one conductor element, tension rope and filled layer, the conductor element includes cable core and phase-splitting insulation separation layer, the phase-splitting insulation separation layer, which surrounds, to be arranged outside cable core, the tension rope is located at cable center position, the filled layer is arranged outside tension rope, it is distributed in filled layer around the conductor element ring tension rope, the filled layer is provided with fire lagging far from the side of tension rope, the fire lagging is provided with reinforcing layer far from the side of tension rope, the reinforcing layer is provided with anti-impacting layer far from the side of fire lagging, the anti-impacting layer is provided with outer jointing jacket far from the side of reinforcing layer, the reinforcing layer includes fire-retardant oxygen barrier layer and ring is set on the armor outside fire-retardant oxygen barrier layer.
Description
Technical field
The present invention relates to technical field of electric wires and cables, in particular to a kind of Novel tensile special cable.
Background technique
Aramid fiber full name is " poly- phenyl-diformyl phenylenediamine ", and English is Aramid fiber, is a kind of novel high-tech synthesis
Fiber has the excellent performances such as superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, light-weight, and intensity is the 5~6 of steel wire
Times, modulus is 2~3 times of steel wire or glass fibre, and toughness is 2 times of steel wire, and weight is only 1/5 of steel wire or so, 560
At a temperature of degree, does not decompose, do not melt.It has good insulating properties and anti-aging property, has very long life cycle.Virtue
The discovery of synthetic fibre, it is considered to be one very important historical progress of material circle.
The fast development of society, the staple product that cable is transmitted as an electric energy have also obtained rapidly and effectively sending out
The fireproof cable of exhibition, the prior art is mainly made of external sheath layer, metallic conductor and flame retardant coating and flame resistant filler material, though
It so may be implemented conducting function in opposite certain temperature and kindling degree, but the product of current cable craft technology production
Stability in use is poor, and flameproof effect is not obvious, and impact resistance compressive property is very poor, largely and on field affects
The applicability of cable；Furthermore current cable is mostly relatively simple for structure, hit in the easy dampness of some special occasions, burn into
Hit, by crushing, service life is not grown, cable it is poor for applicability, currently, in the prior art, most of protection of cable is to use
Clad steel band or steel wire composition, typically one layer, in certain environments in use, the protection to cable core is inadequate, especially
It is by extraneous shock pressure, and easy damaged cable core influences the normal use of cable.And some special occasions set up electric pole
Higher cost, this just needs a kind of preferable cable of pull resistance, reduces erecting cable cost.
Summary of the invention
It is an object of the invention to: it proposes a kind of Novel tensile special cable, solves the problems, such as background technique.
To achieve the above object, using following technical scheme: a kind of Novel tensile special cable, including at least one conductor
Unit, tension rope and filled layer, the conductor element include cable core and phase-splitting insulation separation layer, the phase-splitting insulation separation layer packet
It encloses and is arranged outside cable core；
The tension rope is located at cable center position, and the filled layer is arranged outside tension rope, the conductor element ring
It is distributed in filled layer around tension rope, the filled layer is provided with fire lagging, the fire prevention far from the side of tension rope
Separation layer is provided with reinforcing layer far from the side of tension rope, and the reinforcing layer is provided with shock resistance far from the side of fire lagging
Layer, the anti-impacting layer are provided with outer jointing jacket far from the side of reinforcing layer；
The reinforcing layer includes fire-retardant oxygen barrier layer and ring is set on the armor outside fire-retardant oxygen barrier layer.
As the present invention, further scheme, the cable core diameter are 0.4-0.7 times of conductor element diameter.
Using above-mentioned further scheme the utility model has the advantages that realize it is safe and reliable to the protection of cable conductor, guarantee simultaneously
The energization performance of cable.
As the present invention, further scheme, the tension rope are woven into strand by poly- phenyl-diformyl fibers.
Using above-mentioned further scheme the utility model has the advantages that tension rope can link together at cable connector, can subtract
The failure rate of few joint, while poly- phenyl-diformyl fibers density is smaller opposite using can effectively mitigate electricity for steel wire
Cable self weight.
As the present invention, further scheme, the filled layer are made of ceramic polyolefin material.
Using above-mentioned further scheme the utility model has the advantages that improving the fire resistance of cable.
As the present invention, further scheme, the fire lagging are made of low smoke and zero halogen oxygen barrier material, and described
Reinforcing rib is provided in fire lagging.
Using above-mentioned further scheme the utility model has the advantages that reinforce the fire resistance of cable, while reinforcing rib is set makes electricity
The pull resistance and bendability of cable get a promotion.
As the present invention, further scheme, the armor are woven using poly- two fiber amine of phenyl-diformyl benzene,
Count is 80-95%.
Using above-mentioned further scheme the utility model has the advantages that subtracting while further strengthening cable pull resistance and bendability
Light weight cable dead weight.
As the present invention, further scheme, the interior distribution of the anti-impacting layer are provided with cushion hole 61.
Using above-mentioned further scheme the utility model has the advantages that when cable is impacted, to cushion hole shape occurs for anti-impacting layer
Become, impact force is dispersed away, enhances cable impact resistance.
As further scheme of the invention, the outer jointing jacket is made of nitrile rubber and smooth outer surface.
Using above-mentioned further scheme the utility model has the advantages that mitigate dragging resistance when setting up, while avoiding uneven
The influence for causing a large amount of accumulated snow or largely freezing.
It is that the present invention obtains the utility model has the advantages that the 1, present invention passes through the combination of fire-retardant oxygen barrier layer, filled layer and fire lagging
Cable core is protected in setting, improves the fire resistance of cable, and filled layer is ceramic fireproof heat-barrier material, and being used for will
Cable core is separated with external temperature, is played the role of fire prevention, moisture-proof, heat-insulated and waterproof, can be protected the metallic conductor in cable core
Integrality simultaneously plays the role of waterproof.
2, tension rope of the present invention is woven by poly- phenyl-diformyl fibers, with good pull resistance, while
Tension rope can be linked together at two cable connections in erection process, keep connector more reliable and more stable, guarantee that route is unobstructed,
Poly- phenyl-diformyl fibers density is smaller simultaneously, the influence being self-possessed when reducing erecting cable.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1- conductor element, 11- cable core, 12- phase-splitting insulation separation layer, 2- tension rope, 3- filled layer, the anti-fire screen of 4-
Absciss layer, 41- reinforcing rib, 5- reinforcing layer, 6- anti-impacting layer, 61- cushion hole, 7- outer jointing jacket.
Specific embodiment
With reference to the accompanying drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.
Refering to fig. 1, a kind of Novel tensile special cable, including at least one conductor element 1, tension rope 2 and filled layer 3,
The conductor element 1 includes cable core 11 and phase-splitting insulation separation layer 12, and the phase-splitting insulation separation layer 12, which surrounds, to be arranged in cable core
Outside 11；
The tension rope 2 is located at cable center position, and the filled layer 3 is arranged outside tension rope 2, the conductor element
It being distributed in filled layer 3 around 1 ring tension rope 2, the filled layer 3 is provided with fire lagging 4 far from the side of tension rope 2,
The fire lagging 4 is provided with reinforcing layer 5 far from the side of tension rope 2, the reinforcing layer 5 far from fire lagging 4 one
Side is provided with anti-impacting layer 6, and the anti-impacting layer 6 is provided with outer jointing jacket 7 far from the side of reinforcing layer 5；
The reinforcing layer 5 includes that fire-retardant oxygen barrier layer 5 and ring are set on the armor 52 outside fire-retardant oxygen barrier layer 51.
11 diameter of cable core is 0.4-0.7 times of 1 diameter of conductor element.
The tension rope 2 is woven into strand by poly- phenyl-diformyl fibers.
The filled layer 3 is made of ceramic polyolefin material.
The fire lagging 4 is made of low smoke and zero halogen oxygen barrier material, and reinforcement is provided in the fire lagging 4
Muscle 41.
The armor 52 is woven using poly- phenyl-diformyl phenylenediamine, count 80-95%.
Distribution is provided with cushion hole 61 in the anti-impacting layer 6.
The outer jointing jacket 7 is made of nitrile rubber and smooth outer surface.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of Novel tensile special cable, including at least one conductor element (1), tension rope (2) and filled layer (3), special
Sign is: the conductor element (1) includes cable core (11) and phase-splitting insulation separation layer (12), the phase-splitting insulation separation layer (12)
Surround setting cable core (11) outside；
The tension rope (2) is located at cable center position, and filled layer (3) setting is external in tension rope (2), the conductor list
It is distributed in filled layer (3) around first (1) ring tension rope (2), the filled layer (3) is provided with far from the side of tension rope (2)
Fire lagging (4), the fire lagging (4) are provided with reinforcing layer (5), the reinforcing layer far from the side of tension rope (2)
(5) side far from fire lagging (4) is provided with anti-impacting layer (6), and the one of the anti-impacting layer (6) separate reinforcing layer (5)
Side is provided with outer jointing jacket (7)；
The reinforcing layer (5) includes that fire-retardant oxygen barrier layer (51) and ring are set on the external armor of fire-retardant oxygen barrier layer (51)
(52)。
2. Novel tensile special cable according to claim 1, it is characterised in that: cable core (11) diameter is conductor list
0.4-0.7 times of first (1) diameter.
3. Novel tensile special cable according to claim 1, it is characterised in that: the phase-splitting insulation separation layer (12) by
Crosslinked polyethylene is made.
4. Novel tensile special cable according to claim 1, it is characterised in that: the tension rope (2) is by polyphenyl diformazan
Acyl fibers are woven into strand.
5. Novel tensile special cable according to claim 1, it is characterised in that: the filled layer (3) uses ceramic
Polyolefin material is made.
6. Novel tensile special cable according to claim 1, it is characterised in that: the fire lagging (4) is using low
Cigarette Halogen oxygen barrier material is made, and is provided with reinforcing rib (41) in the fire lagging (4).
7. Novel tensile special cable according to claim 1, it is characterised in that: the armor (52) uses polyphenyl two
Formyl fibers weave, count 80-95%.
8. Novel tensile special cable according to claim 1, it is characterised in that: distribution is set in the anti-impacting layer (6)
It is equipped with cushion hole (61).
9. Novel tensile special cable according to claim 1, it is characterised in that: the outer jointing jacket (7) is by butyronitrile rubber
Glue is made and smooth outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014841.2A CN109119194A (en) | 2018-08-31 | 2018-08-31 | A kind of Novel tensile special cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014841.2A CN109119194A (en) | 2018-08-31 | 2018-08-31 | A kind of Novel tensile special cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109119194A true CN109119194A (en) | 2019-01-01 |
Family
ID=64861610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811014841.2A Pending CN109119194A (en) | 2018-08-31 | 2018-08-31 | A kind of Novel tensile special cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109119194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009343A (en) * | 2019-12-20 | 2020-04-14 | 河南机电职业学院 | Tensile communication cable for computer |
| CN111883301A (en) * | 2020-08-04 | 2020-11-03 | 安徽环宇电缆集团有限公司 | Wear-resistant wind power cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202110869U (en) * | 2011-06-29 | 2012-01-11 | 江苏摩恩电工有限公司 | Tough high-flame-retardant oxygen-isolating layer cable for rated voltage equal to and less than 0.6/1kV |
| CN205984357U (en) * | 2016-08-19 | 2017-02-22 | 扬州市金鑫电缆有限公司 | Novel environment -friendly low pressure fire prevention fire resisting cable |
| WO2018059434A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市联嘉祥科技股份有限公司 | Electric cable for use in searching and imaging |
| CN108133771A (en) * | 2017-12-26 | 2018-06-08 | 无锡市明珠电缆有限公司 | A kind of high flexibility tension fire-retardant fireproof shields drag chain cable |
| CN207602277U (en) * | 2017-10-27 | 2018-07-10 | 江苏赛特电气有限公司 | A kind of novel low smoke zero halogen fire resistant fireproof control cable |
| CN209000592U (en) * | 2018-08-31 | 2019-06-18 | 贵州新曙光电缆有限公司 | A kind of novel tensile cable |
-
2018
- 2018-08-31 CN CN201811014841.2A patent/CN109119194A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202110869U (en) * | 2011-06-29 | 2012-01-11 | 江苏摩恩电工有限公司 | Tough high-flame-retardant oxygen-isolating layer cable for rated voltage equal to and less than 0.6/1kV |
| CN205984357U (en) * | 2016-08-19 | 2017-02-22 | 扬州市金鑫电缆有限公司 | Novel environment -friendly low pressure fire prevention fire resisting cable |
| WO2018059434A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市联嘉祥科技股份有限公司 | Electric cable for use in searching and imaging |
| CN207602277U (en) * | 2017-10-27 | 2018-07-10 | 江苏赛特电气有限公司 | A kind of novel low smoke zero halogen fire resistant fireproof control cable |
| CN108133771A (en) * | 2017-12-26 | 2018-06-08 | 无锡市明珠电缆有限公司 | A kind of high flexibility tension fire-retardant fireproof shields drag chain cable |
| CN209000592U (en) * | 2018-08-31 | 2019-06-18 | 贵州新曙光电缆有限公司 | A kind of novel tensile cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009343A (en) * | 2019-12-20 | 2020-04-14 | 河南机电职业学院 | Tensile communication cable for computer |
| CN111883301A (en) * | 2020-08-04 | 2020-11-03 | 安徽环宇电缆集团有限公司 | Wear-resistant wind power cable |
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