CN104916355A - High resistance tensile cold reel cable and preparation method thereof - Google Patents
High resistance tensile cold reel cable and preparation method thereof Download PDFInfo
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- CN104916355A CN104916355A CN201510358495.XA CN201510358495A CN104916355A CN 104916355 A CN104916355 A CN 104916355A CN 201510358495 A CN201510358495 A CN 201510358495A CN 104916355 A CN104916355 A CN 104916355A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The present invention discloses a high resistance tensile cold reel cable and preparation method thereof, which comprises a conductor layer, a semi-conductive cloth tape layer, a semi-conductive screening layer, an ethylene propylene rubber insulation layer, an insulation shielding layer, a braid layer, a cabling and tapping layer, an inner layer, an outer protective layer, and mild steel wire rope. The conductor layer according to the present invention is formed by firstly leftward synnema of fine tinned copper wires, and then by leftward double hinging. The double hinging pitch is controlled within 10 to 12 times, and the conductor is pressed by the pressing mold at the outlet, which thereby ensures that the conductor is smooth and round, and has a small and super soft diameter, improves insulation performance of the cable and electrical equipments, and avoids breakdown because of a large gap in the guide surface. The tinned copper wires and POB composite braided layer are used outside of the insulation shielding layer; which not only can prevent electromagnetic interference, but also can improve the tensile performance of the cable, and avoid phenomena of core damage and cracking caused by frequent expansion. The internal and external jacket are made of TPU elastomer material, such that the cable has excellent soft property, mechanical property, cold resistance property, aging property, and the like.
Description
Technical field
The invention belongs to field of cables, be specifically related to cold-resistant curl cable of a kind of high tensile and preparation method thereof.
Background technology
In the process of global economic integration, China has become the locomotive engine of development of world economy, and Harbor economy then becomes the important force of Chinese development economy.Dynamics of investment along with port construction is accelerated to strengthen, and the rivers harbour mouth volume of goods transported rises year by year, so require also more and more higher to the harbor crane that handling goods uses, and electric wire is as the carrier of transferring electric power, then play an important role.According to the operation principle of loop wheel machine, cable needs frequent rolling, and long term exposure is in air and running environment is comparatively severe, this just has higher requirements to the hot strength of cable, mechanical strength, flexibility, cold tolerance, ageing resistace, to ensure cable useful life.According to prior art analysis, this construction of cable mostly is ordinary construction, there is mechanical strength not high, and cold tolerance is general, and perishable, frequent rolling is easy to crack, and direct sunlight is easily aging, the phenomenon that useful life is short.
Summary of the invention
Goal of the invention: in order to solve the deficiencies in the prior art, the invention provides cold-resistant curl cable of a kind of high tensile and preparation method thereof, such that cable cold resistance is good, tensile strength is high, not easy to crack, flexibility good, applied widely, long service life.
Technical scheme: a kind of high tensile is cold-resistant curl cable, comprises conductor layer, semi-conductive cloth tape layer, semiconductive internal shield, ethylene propylene rubber insulated layer, insulation screen, braid, stranding belting layer, inner covering, outer jacket and flexible steel cable;
Cable core adopts three insulated wire cores and three ground connection cores, and interval is stranded successively forms, and is tightened by stranding belting layer band; Conductor layer in described insulated wire cores first restraints conjunction in the same way by superfine tinned copper wire, more in the same way again strand form; Be surrounded with semi-conductive cloth tape layer outside described conductor layer, described semi-conductive cloth tape layer adopts three-layer co-extruded mode to be extruded with semiconductive internal shield, ethylene propylene rubber insulated layer and insulation screen successively outward, and described insulation screen is coated with braid; Described wire core is made up of zinc-plated stranded conductor layer, semi-conductive layer and braid.
Be extruded with inner covering outside described stranding belting layer, outside inner covering, be extruded with outer jacket, between described inner covering and outer jacket, lift flexible steel cable.
As optimization: described conductor layer adopt superfine tinned copper wire in the same way synnema cross suitable compressing mold structure and making together again after multiple in the same way strand, twisting pitch again controls at 10 ~ 12 times, presses die size and is less than stranded conductor size 0.3 ~ 0.8mm.
As optimization: described braid adopts tinned copper wire and PBO combined knitting to form.
As optimization: lift four strands of extra flexible wire ropes between described inner covering and outer jacket.
As optimization: it is the semiconductive material of base-material that described semiconductive internal shield and insulation shielding layer material are with ethylene-propylene rubber.
As optimization: the material of described inner covering and outer jacket is TPU elastomeric material, resist cold and reach-55 DEG C.
A preparation method for the described cold-resistant curl cable of high tensile, comprises the following steps:
Step 1, conductor makes: conductor all adopts the first left-hand synnema of zinc-plated monofilament, synnema pitch controls at 14 ~ 18 times, strand after synnema again left-hand twists again, twisting pitch again controls at 10 ~ 12 times, when twisting again, to make a slip of the tongue one compressing mold in outlet, press die size and be less than stranded conductor size 0.3 ~ 0.8mm; Zinc-plated monofilament should meet GB/T 4910-2009 and specify, the conductor after stranded should meet GB/T 3956-2008 the 5th kind of flexible conductor regulation; When twisting again, at the outer wrapped one deck semi-conductive cloth tape of conductor, rate >=15% to be put up;
Step 2, power wire core makes: the conductor shield outside conductor, insulating barrier, insulation screen adopt three-layer co-extruded mode to extrude, it is the semiconductive shielding layer of base-material that conductor screen and insulation shielding all adopt with ethylene-propylene rubber, wherein thickness is 0.7mm, insulation adopts ethylene propylene diene monomer (EPDM) material, insulation average thickness is not less than nominal value, and the thinnest dot thickness is not less than the 90%-0.1mm of nominal value;
Core adopts plsitive mold to extrude, and wherein, core rod die sleeve size proportioning calculates according to following manner:
Warp in core rod: D
core=D
0+ △
Middle mould internal diameter: D
in=D
0+ 2 δ
in× 1.05
Warp in die sleeve: D
outward=D
0+ 2 (δ
in+ insulation thickness × 1.05+ δ
outward)+△
Wherein: D
0for extruding front core external diameter, △ is value of magnification, δ
infor interior screen thickness, δ
outwardfor outer screen thickness; The span of △ is 0.2 ~ 0.5mm;
Step 3, ground connection core makes: the tinned copper wire of conductor employing step 1 is stranded to be formed, and extrude semi-conductive rubber screen outside conductor, thickness is 1.0mm, and extrusion die adopts squash type, warp in core rod: D
core=D
0+ △, △ are value of magnification, get 0.2 ~ 0.5mm; Warp in die sleeve: D
cover=D
0+ 2 δ, δ are semi-conductive rubber shielding thickness;
Step 4, compile composite bed outward at core: braid is combined by tinned copper wire and pbo fiber, both number of spindles are identical, and direction is contrary; Braid does not allow entirety to continue, and the end of a thread exposed answers trimmed, every 1m length allows replacing metal wire bar; Braiding wire bar need first adopt doubling winder doubling, and yarn-doubling tension is even, and after doubling completes, be arranged on by wire bar on braiding machine, braiding angle controls at 30 ° ~ 50 °, and count is not less than 90%, and the computing formula of count is:
P＝(2p-p
2)*100％
p＝mnd/ΠD*[1+Π
2D
2/L
2]
1/2
In formula: P is count, p is one side coverage coefficient, and m is half number of spindle unit, and n is braided wires radical, and d is braided wires external diameter, and D is core external diameter after braiding, and L is lay of braiding;
Step 5, three described kinetic insulation cores and three described ground insulation cores carry out stranding: stranding direction should be dextrad, power wire core and wire core are spaced successively, laying tension should be even, stranding lay ratio controls at 11 ~ 13 times, the outer overlapping wrapped two-layer nonwoven of cable core, the wrapped rate of putting up is 15 ~ 20%, and lapping direction is left-hand;
Step 6, inside and outside sheathing: interior oversheath all adopts TPU elastomeric material to extrude and forms, extrude thickness and should accord with nominal thickness requirement, the thinnest dot thickness is not less than the 85%-0.1mm of nominal thickness; Interior oversheath makes two bites at a cherry, and when extruding oversheath, lifting four strand rope extrude together in 90 °.
Beneficial effect: conductor layer of the present invention is by first left-hand synnema (synnema pitch is not more than 18 times) of superfine tinned copper wire, left-hand twists again again, twisting pitch again controls at 10 ~ 12 times, and pressed by the mould that presses of line outlet, thus ensure the little and super softness of conductor smooth rounding, external diameter, improve cable electrical insulation property, avoid drawing greatly because of conductive surface gap puncturing, tin layers can prevent cable corrosion, insulation screen adopts tinned copper wire and the composite braided layer of PBO outward, except preventing electromagnetic interference, the tensile property of cable can also be improved, avoid because frequent stretching causes core impaired, cracking phenomena, be arranged on the stone dead wire between interior oversheath, increase tension effect, the mechanical strength of further raising cable, interior oversheath all adopts TPU elastomeric material, cable is made to have excellent softness energy, mechanical performance, cold tolerance (-55 DEG C), ageing properties etc., cable long service life, can for a long time in frequent rolling, longitudinal stretching, direct sunlight, day and night temperature is large and stand the marine harbour of salt air corrosion and other field uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1, conductor layer; 2, semi-conductive cloth tape layer; 3, semiconductive internal shield; 4, ethylene propylene rubber insulated layer; 5, insulation screen; 6, braid; 7, stranding belting layer; 8, inner covering; 9, outer jacket; Flexible steel cable 10.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment
As shown in Figure 1, the cold-resistant curl cable of a kind of high tensile, comprises conductor layer 1, semi-conductive cloth tape layer 2, semiconductive internal shield 3, ethylene propylene rubber insulated layer 4, insulation screen 5, braid 6, stranding belting layer 7, inner covering 8, outer jacket 9 and flexible steel cable 10;
Cable core adopts three insulated wire cores and three ground connection cores, and interval is stranded successively forms, and is tightened by stranding belting layer 7 band; Conductor layer 1 in described insulated wire cores first restraints conjunction in the same way by superfine tinned copper wire, strand forms again in the same way again, particularly, described conductor layer 1 adopt superfine tinned copper wire in the same way synnema cross suitable compressing mold structure and making together again after multiple in the same way strand, twisting pitch again controls at 10 ~ 12 times, presses die size and is less than stranded conductor size 0.3 ~ 0.8mm.
Be surrounded with semi-conductive cloth tape layer 2 outside described conductor layer 1, described semi-conductive cloth tape layer 2 is outer adopts three-layer co-extruded mode to be extruded with semiconductive internal shield 3, ethylene propylene rubber insulated layer 4 and insulation screen 5 successively, and described insulation screen 5 is coated with braid 6; Described braid 6 adopts tinned copper wire and PBO combined knitting to form.It is the semiconductive material of base-material that described semiconductive internal shield 3 and insulation screen 5 material are with ethylene-propylene rubber.
Described wire core is made up of zinc-plated stranded conductor layer, semi-conductive layer and braid.
Be extruded with inner covering 8 outside described stranding belting layer 7, outside inner covering 8, be extruded with outer jacket 9, between described inner covering 8 and outer jacket 9, lift four strands of extra flexible wire ropes 10.The material of described inner covering 8 and outer jacket 9 is TPU elastomeric material, resists cold and reaches-55 DEG C.
A preparation method for the described cold-resistant curl cable of high tensile, comprises the following steps:
Step 1, conductor makes: conductor all adopts the first left-hand synnema of zinc-plated monofilament, synnema pitch controls at 14 ~ 18 times, strand after synnema again left-hand twists again, twisting pitch again controls at 10 ~ 12 times, when twisting again, to make a slip of the tongue one compressing mold in outlet, press die size and be less than stranded conductor size 0.3 ~ 0.8mm; Zinc-plated monofilament should meet GB/T 4910-2009 and specify, the conductor after stranded should meet GB/T 3956-2008 the 5th kind of flexible conductor regulation; When twisting again, at the outer wrapped one deck semi-conductive cloth tape of conductor, rate >=15% to be put up.
Step 2, power wire core makes: the conductor shield outside conductor, insulating barrier, insulation screen adopt three-layer co-extruded mode to extrude, it is the semiconductive shielding layer of base-material that conductor screen and insulation shielding all adopt with ethylene-propylene rubber, wherein thickness is 0.7mm, insulation adopts ethylene propylene diene monomer (EPDM) material, insulation average thickness is not less than nominal value, and the thinnest dot thickness is not less than the 90%-0.1mm of nominal value, and its nominal thickness should meet following table regulation:
Insulation thickness table
Core adopts plsitive mold to extrude, and wherein, core rod die sleeve size proportioning calculates according to following manner:
Warp in core rod: D
core=D
0+ △
Middle mould internal diameter: D
in=D
0+ 2 δ
in× 1.05
Warp in die sleeve: D
outward=D
0+ 2 (δ
in+ insulation thickness × 1.05+ δ
outward)+△
Wherein: D
0for extruding front core external diameter, △ is value of magnification, δ
infor interior screen thickness, δ
outwardfor outer screen thickness; The span of △ is 0.2 ~ 0.5mm.
When extruding, in curing tube, steam pressure, sulfuration linear speed and temperature control parameter are as following table:
Power wire core vulcanization parameters table
Step 3, ground connection core makes: conductor adopts that tinned copper wire is stranded forms (step 1), and extrude semi-conductive rubber screen outside conductor, thickness is 1.0mm, and extrusion die adopts squash type, warp in core rod: D
core=D
0+ △, △ are value of magnification, get 0.2 ~ 0.5mm; Warp in die sleeve: D
cover=D
0+ 2 δ, δ are semi-conductive rubber shielding thickness.
When extruding, in curing tube, steam pressure, sulfuration linear speed and temperature control parameter are as following table:
Wire core vulcanization parameters table
Step 4, compile composite bed outward at core: braid is combined by tinned copper wire and pbo fiber, both number of spindles are identical, and direction is contrary; Braid does not allow entirety to continue, and the end of a thread exposed answers trimmed, every 1m length allows replacing metal wire bar; Braiding wire bar need first adopt doubling winder doubling, and yarn-doubling tension is even, and after doubling completes, be arranged on by wire bar on braiding machine, braiding angle controls at 30 ° ~ 50 °, and count is not less than 90%, and the computing formula of count is:
P＝(2p-p
2)*100％
p＝mnd/ΠD*[1+Π
2D
2/L
2]
1/2
In formula: P is count, p is one side coverage coefficient, and m is half number of spindle unit, and n is braided wires radical, and d is braided wires external diameter, and D is core external diameter after braiding, and L is lay of braiding.
Step 5, three described kinetic insulation cores and three described ground insulation cores carry out stranding: stranding direction should be dextrad, power wire core and wire core are spaced successively, laying tension should be even, stranding lay ratio controls at 11 ~ 13 times, the outer overlapping wrapped two-layer nonwoven of cable core, the wrapped rate of putting up is 15 ~ 20%, and lapping direction is left-hand;
Step 6, inside and outside sheathing: interior oversheath all adopts TPU elastomeric material to extrude and forms, extrude thickness and should accord with nominal thickness requirement, the thinnest dot thickness is not less than the 85%-0.1mm of nominal thickness; Interior oversheath makes two bites at a cherry, and when extruding oversheath, lifting four strand rope extrude together in 90 °, and extrusion temperature should meet following table regulation:
Temp controlled meter extruded by TPU material
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (7)
1. the cold-resistant curl cable of high tensile, is characterized in that: comprise conductor layer (1), semi-conductive cloth tape layer (2), semiconductive internal shield (3), ethylene propylene rubber insulated layer (4), insulation screen (5), braid (6), stranding belting layer (7), inner covering (8), outer jacket (9) and flexible steel cable (10);
Cable core adopts three insulated wire cores and three ground connection cores, and interval is stranded successively forms, and is tightened by stranding belting layer (7) band; Conductor layer (1) in described insulated wire cores first restraints conjunction in the same way by superfine tinned copper wire, more in the same way again strand form; Semi-conductive cloth tape layer (2) is surrounded with outside described conductor layer (1), described semi-conductive cloth tape layer (2) adopts three-layer co-extruded mode to be extruded with semiconductive internal shield (3), ethylene propylene rubber insulated layer (4) and insulation screen (5) successively outward, and described insulation screen (5) is coated with braid (6);
Described wire core is made up of zinc-plated stranded conductor layer, semi-conductive layer and braid;
Inner covering (8) is extruded with outside described stranding belting layer (7), be extruded with outer jacket (9) outside inner covering (8), between described inner covering (8) and outer jacket (9), lift flexible steel cable (10).
2. the cold-resistant curl cable of high tensile according to claim 1, it is characterized in that: described conductor layer (1) adopt superfine tinned copper wire in the same way synnema cross suitable compressing mold structure and making together again after multiple in the same way strand, twisting pitch again controls at 10 ~ 12 times, presses die size and is less than stranded conductor size 0.3 ~ 0.8mm.
3. the cold-resistant curl cable of high tensile according to claim 1, is characterized in that: described braid (6) adopts tinned copper wire and PBO combined knitting to form.
4. the cold-resistant curl cable of high tensile according to claim 1, is characterized in that: lift four bursts of extra flexible wire ropes (10) between described inner covering (8) and outer jacket (9).
5. the cold-resistant curl cable of high tensile according to claim 1, is characterized in that: it is the semiconductive material of base-material that described semiconductive internal shield (3) and insulation screen (5) material are with ethylene-propylene rubber.
6. the cold-resistant curl cable of high tensile according to claim 1, is characterized in that: the material of described inner covering (8) and outer jacket (9) is TPU elastomeric material, resists cold and reaches-55 DEG C.
7. a preparation method for the cold-resistant curl cable of high tensile according to claim 1, is characterized in that: comprise the following steps:
Step 1, conductor makes: conductor all adopts the first left-hand synnema of zinc-plated monofilament, synnema pitch controls at 14 ~ 18 times, strand after synnema again left-hand twists again, twisting pitch again controls at 10 ~ 12 times, when twisting again, to make a slip of the tongue one compressing mold in outlet, press die size and be less than stranded conductor size 0.3 ~ 0.8mm; Zinc-plated monofilament should meet GB/T 4910-2009 and specify, the conductor after stranded should meet GB/T 3956-2008 the 5th kind of flexible conductor regulation; When twisting again, at the outer wrapped one deck semi-conductive cloth tape of conductor, rate >=15% to be put up;
Step 2, power wire core makes: the conductor shield outside conductor, insulating barrier, insulation screen adopt three-layer co-extruded mode to extrude, it is the semiconductive shielding layer of base-material that conductor screen and insulation shielding all adopt with ethylene-propylene rubber, wherein thickness is 0.7mm, insulation adopts ethylene propylene diene monomer (EPDM) material, insulation average thickness is not less than nominal value, and the thinnest dot thickness is not less than the 90%-0.1mm of nominal value;
Core adopts plsitive mold to extrude, and wherein, core rod die sleeve size proportioning calculates according to following manner:
Warp in core rod: D
core=D
0+ △
Middle mould internal diameter: D
in=D
0+ 2 δ
in× 1.05
Warp in die sleeve: D
outward=D
0+ 2 (δ
in+ insulation thickness × 1.05+ δ
outward)+△
Wherein: D
0for extruding front core external diameter, △ is value of magnification, δ
infor interior screen thickness, δ
outwardfor outer screen thickness; The span of △ is 0.2 ~ 0.5mm;
Step 3, ground connection core makes: the tinned copper wire of conductor employing step 1 is stranded to be formed, and extrude semi-conductive rubber screen outside conductor, thickness is 1.0mm, and extrusion die adopts squash type, warp in core rod: D
core=D
0+ △, △ are value of magnification, get 0.2 ~ 0.5mm; Warp in die sleeve: D
cover=D
0+ 2 δ, δ are semi-conductive rubber shielding thickness;
Step 4, compile composite bed outward at core: braid is combined by tinned copper wire and pbo fiber, both number of spindles are identical, and direction is contrary; Braid does not allow entirety to continue, and the end of a thread exposed answers trimmed, every 1m length allows replacing metal wire bar; Braiding wire bar need first adopt doubling winder doubling, and yarn-doubling tension is even, and after doubling completes, be arranged on by wire bar on braiding machine, braiding angle controls at 30 ° ~ 50 °, and count is not less than 90%, and the computing formula of count is:
P＝(2p-p
2)*100％
p＝mnd/ΠD*[1+Π
2D
2/L
2]
1/2
In formula: P is count, p is one side coverage coefficient, and m is half number of spindle unit, and n is braided wires radical, and d is braided wires external diameter, and D is core external diameter after braiding, and L is lay of braiding;
Step 5, three described kinetic insulation cores and three described ground insulation cores carry out stranding: stranding direction should be dextrad, power wire core and wire core are spaced successively, laying tension should be even, stranding lay ratio controls at 11 ~ 13 times, the outer overlapping wrapped two-layer nonwoven of cable core, the wrapped rate of putting up is 15 ~ 20%, and lapping direction is left-hand;
Step 6, inside and outside sheathing: interior oversheath all adopts TPU elastomeric material to extrude and forms, extrude thickness and should accord with nominal thickness requirement, the thinnest dot thickness is not less than the 85%-0.1mm of nominal thickness; Interior oversheath makes two bites at a cherry, and when extruding oversheath, lifting four strand rope extrude together in 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358495.XA CN104916355A (en) | 2015-06-25 | 2015-06-25 | High resistance tensile cold reel cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358495.XA CN104916355A (en) | 2015-06-25 | 2015-06-25 | High resistance tensile cold reel cable and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104916355A true CN104916355A (en) | 2015-09-16 |
Family
ID=54085355
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|---|---|---|---|
| CN201510358495.XA Pending CN104916355A (en) | 2015-06-25 | 2015-06-25 | High resistance tensile cold reel cable and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609180A (en) * | 2016-03-16 | 2016-05-25 | 苏珩线缆南通有限公司 | Ultralow-temperature instrument control cable and preparation method thereof |
| CN107134308A (en) * | 2017-03-28 | 2017-09-05 | 安徽凌宇电缆科技有限公司 | A kind of reinforced middle pressure drum cable |
| CN109148005A (en) * | 2018-10-16 | 2019-01-04 | 睿康文远电缆股份有限公司 | power cable for wind power generation |
| CN109637719A (en) * | 2019-01-09 | 2019-04-16 | 安徽中邦特种电缆科技有限公司 | A kind of anti-twist composite cable |
| CN111081418A (en) * | 2019-12-23 | 2020-04-28 | 南通市鹏程电缆有限公司 | High-performance tensile tear-resistant flame-retardant cable and manufacturing method thereof |
| WO2020228457A1 (en) * | 2019-05-12 | 2020-11-19 | 无锡市华美电缆有限公司 | Cable used for charging pile of electric vehicle, preparation method, and twisting device for weak-electric flexible wire core |
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| CN201489891U (en) * | 2009-08-06 | 2010-05-26 | 特变电工(德阳)电缆股份有限公司 | High-voltage flexible cable |
| CN202473312U (en) * | 2012-01-11 | 2012-10-03 | 安徽明星电缆有限公司 | High-strength torsion resistant wind energy control cable |
| CN103871615A (en) * | 2014-04-02 | 2014-06-18 | 新亚特电缆股份有限公司 | High-elasticity anti-twist wind energy cable with nominal voltage of six to thirty-five kilowatts and manufacturing method |
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| CN201397699Y (en) * | 2009-03-26 | 2010-02-03 | 茆玉斌 | Anti-pulling type signal cable |
| CN201489891U (en) * | 2009-08-06 | 2010-05-26 | 特变电工(德阳)电缆股份有限公司 | High-voltage flexible cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609180A (en) * | 2016-03-16 | 2016-05-25 | 苏珩线缆南通有限公司 | Ultralow-temperature instrument control cable and preparation method thereof |
| CN107134308A (en) * | 2017-03-28 | 2017-09-05 | 安徽凌宇电缆科技有限公司 | A kind of reinforced middle pressure drum cable |
| CN109148005A (en) * | 2018-10-16 | 2019-01-04 | 睿康文远电缆股份有限公司 | power cable for wind power generation |
| CN109637719A (en) * | 2019-01-09 | 2019-04-16 | 安徽中邦特种电缆科技有限公司 | A kind of anti-twist composite cable |
| WO2020228457A1 (en) * | 2019-05-12 | 2020-11-19 | 无锡市华美电缆有限公司 | Cable used for charging pile of electric vehicle, preparation method, and twisting device for weak-electric flexible wire core |
| CN111081418A (en) * | 2019-12-23 | 2020-04-28 | 南通市鹏程电缆有限公司 | High-performance tensile tear-resistant flame-retardant cable and manufacturing method thereof |
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Application publication date: 20150916 |