CN111524646A - High-reliability flexible anti-torsion low-voltage cable and manufacturing method thereof - Google Patents
High-reliability flexible anti-torsion low-voltage cable and manufacturing method thereof Download PDFInfo
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- CN111524646A CN111524646A CN202010308355.2A CN202010308355A CN111524646A CN 111524646 A CN111524646 A CN 111524646A CN 202010308355 A CN202010308355 A CN 202010308355A CN 111524646 A CN111524646 A CN 111524646A
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- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 38
- 238000002955 isolation Methods 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000003063 flame retardant Substances 0.000 claims abstract description 27
- 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 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 18
- 238000009941 weaving Methods 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 4
- 229920006253 high performance fiber Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- 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
- H01B7/186—Sheaths comprising longitudinal lapped non-metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to the technical field of cables, in particular to a high-reliability flexible anti-torsion low-voltage cable, which comprises: a wire core; the insulating layer wraps the outer wall of the wire core; the isolation sleeve is wrapped on the outer wall of the insulating layer; the inorganic glass fiber mesh belt winding layer is wrapped on the outer wall of the isolation sleeve; the metal braided layer is wrapped on the outer wall of the inorganic glass fiber grid tape wrapping layer; the fireproof flame-retardant wrapping tape wrapping layer wraps the outer wall of the metal woven layer; according to the high-reliability flexible anti-torsion low-voltage cable, the fireproof flame-retardant wrapping tape wrapping layer, the metal woven layer, the inorganic glass fiber grid tape wrapping layer, the isolation sleeve and the outer sheath are arranged, so that the durability and the anti-torsion performance of the cable are greatly improved, the cable has high fire resistance, high temperature resistance and flame resistance, the cable is suitable for being used in various severe environments, and the service life of the cable is prolonged.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a high-reliability flexible anti-torsion low-voltage cable and a manufacturing method thereof.
Background
The cable is generally a rope-like cable formed by twisting several or several groups of conductors (at least two in each group), each group of conductors are insulated from each other and usually twisted around a center, the whole is covered with a highly insulating covering layer, the cable has the characteristics of internal energization and external insulation, and the cable includes a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables are composed of single-strand or multi-strand conductors and an insulating layer and are used for connecting circuits, electric appliances and the like.
When the original cable is used, the bending resistance is insufficient, the high temperature resistance and the durability of the cable are insufficient, and the cable is extremely easy to be damaged at high temperature after being used for a long time.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the high-reliability flexible anti-torsion low-voltage cable and the manufacturing method thereof, and the cable has the characteristics of bending resistance, high temperature resistance and long service life.
In order to achieve the purpose, the invention provides the following technical scheme: a highly reliable flexible anti-kink low voltage cable comprising:
a wire core;
the insulating layer wraps the outer wall of the wire core;
the isolation sleeve is wrapped on the outer wall of the insulating layer;
the inorganic glass fiber mesh belt winding layer is wrapped on the outer wall of the isolation sleeve;
the metal braided layer is wrapped on the outer wall of the inorganic glass fiber grid tape wrapping layer;
the fireproof flame-retardant wrapping tape is wrapped on the wrapping layer, and the fireproof flame-retardant wrapping tape is wrapped on the outer wall of the metal woven layer.
As a preferable technical solution of the present invention, the insulating layer is a crosslinked polyethylene insulating layer.
As a preferable technical scheme of the invention, the isolation sleeve is a polyvinyl chloride sleeve.
As a preferred technical scheme, the fireproof flame-retardant wrapping tape wrapping layer comprises a fireproof flame-retardant wrapping tape wrapping layer and an outer sheath, wherein the fireproof flame-retardant wrapping tape wrapping layer is wrapped on the outer wall of the fireproof flame-retardant wrapping tape wrapping layer.
The invention also discloses a manufacturing method of the high-reliability flexible anti-torsion low-voltage cable, which comprises the following steps:
the method comprises the following steps: arranging an insulating layer on the outer wall of the wire core;
step two: extruding and wrapping the isolation sleeve on the outer wall of the insulating layer;
step three: wrapping the inorganic glass fiber mesh belt on the outer wall of the isolation sleeve by a wrapping layer;
step four: wrapping the metal braid layer on the outer wall of the inorganic glass fiber mesh tape winding layer;
step five: and wrapping the fireproof flame-retardant wrapping tape on the outer wall of the metal woven layer.
As a preferred technical solution of the present invention, in the first step, the disposing the insulating layer on the outer wall of the wire core includes: and extruding an insulating material on the wire core by an extruding machine to form the insulating layer.
As a preferred technical solution of the present invention, in the second step, the extruding the isolation sleeve on the outer wall of the insulation layer includes: and extruding polyvinyl chloride materials on the insulating layer through an extruding machine to form the isolating sleeve.
As a preferred technical solution of the present invention, in the third step, wrapping the inorganic glass fiber mesh tape around the cladding on the outer wall of the insulating sheath includes: weaving the inorganic glass fiber mesh belt by a weaving machine to form the inorganic glass fiber mesh belt winding layer.
As a preferred technical solution of the present invention, the step four of wrapping the metal braid on the outer wall of the inorganic glass fiber mesh tape winding layer includes: and weaving the copper wire and the high-performance fibers by a weaving machine to form the metal woven layer.
As a preferable technical solution of the present invention, the manufacturing method further includes: and extruding the thermoplastic halogen-free low-smoke elastomer on the fireproof flame-retardant wrapping tape wrapping layer through an extruding machine to form the outer sheath.
Compared with the prior art, the invention has the beneficial effects that: according to the high-reliability flexible anti-torsion low-voltage cable, the fireproof flame-retardant wrapping tape wrapping layer, the metal woven layer, the inorganic glass fiber grid tape wrapping layer, the isolation sleeve and the outer sheath are arranged, so that the durability and the anti-torsion performance of the cable are greatly improved, the cable has high fire resistance, high temperature resistance and flame resistance, the cable is suitable for being used in various severe environments, and the service life of the cable is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional structural view of a first form of cable according to the present invention;
FIG. 2 is a schematic cross-sectional view of another form of cable in accordance with the present invention;
FIG. 3 is a schematic view of a first form of cable fabrication method of the present invention;
FIG. 4 is a schematic view of another form of cable fabrication in accordance with the present invention;
in the figure: 10. a fireproof flame-retardant wrapping tape wrapping layer; 11. a metal braid layer; 12. the inorganic glass fiber mesh belt is wrapped with a cladding; 13. an isolation sleeve; 14. an insulating layer; 15. a wire core; 16. an outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and fig. 3, the present invention provides the following technical solutions: a highly reliable flexible anti-kink low voltage cable comprising:
a wire core 15;
the insulating layer 14 wraps the outer wall of the wire core 15;
the isolation sleeve 13 is wrapped on the outer wall of the insulating layer 14;
the inorganic glass fiber mesh tape is wrapped on the outer wall of the isolation sleeve 13 by the wrapping layer 12;
the metal braid 11, the metal braid 11 wraps up in the outer wall of the inorganic glass fiber mesh tape winding layer 12;
fire-retardant band of fire prevention winds covering 10, and fire-retardant band of fire prevention wraps up the outer wall at metal braid 11 around covering 10 parcel.
The wire core 15 adopts an ultra-six type ultra-soft copper conductor, the diameter of a single wire is 0.08mm, and the ratio of the stranding pitch diameter of the outermost layer is 8 times, so that the ultra-flexibility of the wire core 15 is ensured.
Specifically, in this embodiment, the insulating layer 14 is a crosslinked polyethylene insulating layer, and has high strength and high resilience.
Specifically, in this embodiment, the isolation sleeve 13 is a polyvinyl chloride sleeve, and has moisture-proof, sealing and electrical insulation functions.
A manufacturing method of a high-reliability flexible anti-torsion low-voltage cable comprises the following steps:
the method comprises the following steps: an insulating layer 14 is arranged on the outer wall of the wire core 15;
step two: the isolation sleeve 13 is extruded on the outer wall of the insulating layer 14;
step three: wrapping the inorganic glass fiber mesh tape on the outer wall of the isolation sleeve 13 by a wrapping layer 12;
step four: wrapping the metal braid 11 on the outer wall of the inorganic glass fiber mesh tape winding cladding 12;
step five: and the fireproof flame-retardant wrapping tape is wrapped on the outer wall of the metal braid layer 11 around the wrapping layer 10.
Specifically, in this embodiment, in the first step, the disposing the insulating layer 14 on the outer wall of the wire core 15 includes: the insulating material is extruded and wrapped on the wire core 15 through an extruding machine to form the insulating layer 14, so that the outer wall of the wire core 15 can be ensured to be flat and completely covered with the insulating layer 14.
Specifically, in this embodiment, in the second step, the step of wrapping the isolation sleeve 13 on the outer wall of the insulation layer 14 includes: polyvinyl chloride material is extruded on the insulating layer 14 through an extruding machine to form the isolation sleeve 13, so that the outer wall of the insulating layer 14 can be ensured to be flat and completely cover the isolation sleeve 13.
Specifically, in this embodiment, in the third step, wrapping the inorganic glass fiber mesh tape around the cladding 12 on the outer wall of the insulating sleeve 13 includes: the inorganic glass fiber mesh tape is woven by a weaving machine to constitute the inorganic glass fiber mesh tape wound clad 12.
Specifically, in the fourth step of the present embodiment, wrapping the metal braid 11 on the outer wall of the inorganic glass fiber mesh tape winding cladding 12 includes: the copper wire and the high-performance fiber are braided by a braiding machine to constitute the metal braid 11.
Example two
Referring to fig. 2 and fig. 4, the present invention provides the following technical solutions: a highly reliable flexible anti-kink low voltage cable comprising:
a wire core 15;
the insulating layer 14 wraps the outer wall of the wire core 15;
the isolation sleeve 13 is wrapped on the outer wall of the insulating layer 14;
the inorganic glass fiber mesh tape is wrapped on the outer wall of the isolation sleeve 13 by the wrapping layer 12;
the metal braid 11, the metal braid 11 wraps up in the outer wall of the inorganic glass fiber mesh tape winding layer 12;
fire-retardant band of fire prevention winds covering 10, and fire-retardant band of fire prevention wraps up the outer wall at metal braid 11 around covering 10 parcel.
The wire core 15 adopts an ultra-six type ultra-soft copper conductor, the diameter of a single wire is 0.08mm, and the ratio of the stranding pitch diameter of the outermost layer is 8 times, so that the ultra-flexibility of the wire core 15 is ensured.
Specifically, in this embodiment, the insulating layer 14 is a crosslinked polyethylene insulating layer, and has high strength and high resilience.
Specifically, in this embodiment, the isolation sleeve 13 is a polyvinyl chloride sleeve, and has moisture-proof, sealing and electrical insulation functions.
Specifically, in this embodiment, still include oversheath 16, oversheath 16 parcel is at the outer wall of fire-retardant band of fire prevention around covering 10, and oversheath 16 adopts the low smoke elastomer of halogen-free, and it has high temperature resistant, fire-retardant and the characteristic of environmental protection.
A manufacturing method of a high-reliability flexible anti-torsion low-voltage cable comprises the following steps:
the method comprises the following steps: an insulating layer 14 is arranged on the outer wall of the wire core 15;
step two: the isolation sleeve 13 is extruded on the outer wall of the insulating layer 14;
step three: wrapping the inorganic glass fiber mesh tape on the outer wall of the isolation sleeve 13 by a wrapping layer 12;
step four: wrapping the metal braid 11 on the outer wall of the inorganic glass fiber mesh tape winding cladding 12;
step five: wrapping the fireproof flame-retardant wrapping tape wrapping layer 10 on the outer wall of the metal braided layer 11;
step six: the outer sheath 16 is arranged on the outer wall of the fireproof flame-retardant wrapping tape wrapping layer 10.
Specifically, in this embodiment, in the first step, the disposing the insulating layer 14 on the outer wall of the wire core 15 includes: the insulating material is extruded and wrapped on the wire core 15 through an extruding machine to form the insulating layer 14, so that the outer wall of the wire core 15 can be ensured to be flat and completely covered with the insulating layer 14.
Specifically, in this embodiment, in the second step, the step of wrapping the isolation sleeve 13 on the outer wall of the insulation layer 14 includes: polyvinyl chloride material is extruded on the insulating layer 14 through an extruding machine to form the isolation sleeve 13, so that the outer wall of the insulating layer 14 can be ensured to be flat and completely cover the isolation sleeve 13.
Specifically, in this embodiment, in the third step, wrapping the inorganic glass fiber mesh tape around the cladding 12 on the outer wall of the insulating sleeve 13 includes: the inorganic glass fiber mesh tape is woven by a weaving machine to constitute the inorganic glass fiber mesh tape wound clad 12.
Specifically, in the fourth step of the present embodiment, wrapping the metal braid 11 on the outer wall of the inorganic glass fiber mesh tape winding cladding 12 includes: the copper wire and the high-performance fiber are braided by a braiding machine to constitute the metal braid 11.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A highly reliable flexible anti-torsion low voltage cable, comprising:
a wire core (15);
the insulating layer (14), the said insulating layer (14) wraps up in the outer wall of the said wire core (15);
the insulating layer (14) is coated with an insulating sleeve (13), and the insulating sleeve (13) is wrapped on the outer wall of the insulating layer (14);
the inorganic glass fiber mesh belt winding layer (12), and the inorganic glass fiber mesh belt winding layer (12) is wrapped on the outer wall of the isolation sleeve (13);
the metal braided layer (11) is wrapped on the outer wall of the inorganic glass fiber mesh belt winding layer (12);
the fireproof flame-retardant wrapping tape is wrapped on the wrapping layer (10), and the fireproof flame-retardant wrapping tape is wrapped on the outer wall of the metal woven layer (11) around the wrapping layer (10).
2. A highly reliable flexible anti-kink low voltage cable according to claim 1, characterized in that: the insulating layer (14) is a cross-linked polyethylene insulating layer.
3. A highly reliable flexible anti-kink low voltage cable according to claim 1, characterized in that: the isolation sleeve (13) is a polyvinyl chloride sleeve.
4. A highly reliable flexible anti-torsion low voltage cable according to any one of claims 1 to 3, wherein: the fireproof flame-retardant wrapping tape wrapping layer is characterized by further comprising an outer sheath (16), and the outer wall of the fireproof flame-retardant wrapping tape wrapping layer (10) is wrapped by the outer sheath (16).
5. A method for manufacturing a high-reliability flexible anti-torsion low-voltage cable according to any one of claims 1 to 3, wherein: the method comprises the following steps:
the method comprises the following steps: arranging an insulating layer (14) on the outer wall of the wire core (15);
step two: the isolation sleeve (13) is extruded on the outer wall of the insulation layer (14);
step three: wrapping the inorganic glass fiber mesh tape wrapping layer (12) on the outer wall of the isolation sleeve (13);
step four: wrapping the metal braid layer (11) on the outer wall of the inorganic glass fiber mesh tape winding cladding layer (12);
step five: and the fireproof flame-retardant wrapping tape is wrapped on the outer wall of the metal braid layer (11) in a wrapping manner by the wrapping layer (10).
6. The method for manufacturing a high-reliability flexible anti-torsion low-voltage cable according to claim 5, wherein the method comprises the following steps: in the first step, the step of arranging the insulating layer (14) on the outer wall of the wire core (15) comprises the following steps: the insulation layer (14) is formed by extruding an insulation material onto the wire core (15) by an extruder.
7. The method for manufacturing a high-reliability flexible anti-torsion low-voltage cable according to claim 5, wherein the method comprises the following steps: in the second step, the step of extruding and wrapping the isolation sleeve (13) on the outer wall of the insulating layer (14) comprises the following steps: and extruding polyvinyl chloride material on the insulating layer (14) by an extruding machine to form the isolation sleeve (13).
8. The method for manufacturing a high-reliability flexible anti-torsion low-voltage cable according to claim 5, wherein the method comprises the following steps: in the third step, the inorganic glass fiber mesh belt wrapping layer (12) is wrapped on the outer wall of the isolation sleeve (13) in a wrapping mode, and the method comprises the following steps: weaving the inorganic glass fiber mesh belt by a weaving machine to form the inorganic glass fiber mesh belt winding layer (12).
9. The method for manufacturing a high-reliability flexible anti-torsion low-voltage cable according to claim 5, wherein the method comprises the following steps: in the fourth step, wrapping the metal braid (11) on the outer wall of the inorganic glass fiber mesh tape winding cladding (12) comprises: weaving the copper wire and the high-performance fiber by a weaving machine to form the metal weaving layer (11).
10. The method for manufacturing a high-reliability flexible anti-torsion low-voltage cable according to claim 5, wherein the method comprises the following steps: the manufacturing method further comprises the following steps: and extruding the thermoplastic halogen-free low-smoke elastomer onto the fireproof flame-retardant wrapping tape wrapping layer (10) through an extruding machine to form an outer sheath (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308355.2A CN111524646A (en) | 2020-04-18 | 2020-04-18 | High-reliability flexible anti-torsion low-voltage cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308355.2A CN111524646A (en) | 2020-04-18 | 2020-04-18 | High-reliability flexible anti-torsion low-voltage cable and manufacturing method thereof |
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| CN111524646A true CN111524646A (en) | 2020-08-11 |
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| CN202010308355.2A Withdrawn CN111524646A (en) | 2020-04-18 | 2020-04-18 | High-reliability flexible anti-torsion low-voltage cable and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943264A (en) * | 2014-03-24 | 2014-07-23 | 安徽航天电缆集团有限公司 | Environment-friendly type fireproof and waterproof marine power cable |
| CN205487500U (en) * | 2016-03-17 | 2016-08-17 | 沈阳艾克虎牌线缆有限公司 | 10KV fireproof cable |
| CN107393650A (en) * | 2017-06-23 | 2017-11-24 | 安徽华通电缆集团有限公司 | A kind of electric railway single-phase copper core flame-retardant refractory water-proof cable |
| CN209912596U (en) * | 2019-06-04 | 2020-01-07 | 江苏上上电缆集团有限公司 | Isolated medium-voltage fire-resistant cable |
-
2020
- 2020-04-18 CN CN202010308355.2A patent/CN111524646A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943264A (en) * | 2014-03-24 | 2014-07-23 | 安徽航天电缆集团有限公司 | Environment-friendly type fireproof and waterproof marine power cable |
| CN205487500U (en) * | 2016-03-17 | 2016-08-17 | 沈阳艾克虎牌线缆有限公司 | 10KV fireproof cable |
| CN107393650A (en) * | 2017-06-23 | 2017-11-24 | 安徽华通电缆集团有限公司 | A kind of electric railway single-phase copper core flame-retardant refractory water-proof cable |
| CN209912596U (en) * | 2019-06-04 | 2020-01-07 | 江苏上上电缆集团有限公司 | Isolated medium-voltage fire-resistant cable |
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Application publication date: 20200811 |
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| WW01 | Invention patent application withdrawn after publication |