CN114214855A - Impact-resistant carbon fiber inhaul cable body and manufacturing method thereof - Google Patents
Impact-resistant carbon fiber inhaul cable body and manufacturing method thereof Download PDFInfo
- Publication number
- CN114214855A CN114214855A CN202111411635.7A CN202111411635A CN114214855A CN 114214855 A CN114214855 A CN 114214855A CN 202111411635 A CN202111411635 A CN 202111411635A CN 114214855 A CN114214855 A CN 114214855A
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- Prior art keywords
- carbon fiber
- cable body
- impact
- inhaul cable
- outer side
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and metal wires
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
- D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1012—Rope or cable structures characterised by their internal structure
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3007—Carbon
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3067—Copper (Cu)
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ropes Or Cables (AREA)
Abstract
An impact-resistant carbon fiber inhaul cable body comprises a composite strand and a protective layer. The composite strand comprises carbon fiber bundles and a reinforcing layer. The carbon fiber bundle includes carbon fiber rods. The reinforcing layer includes steel wires. The protective layer comprises a wrapping tape and a protective layer. A manufacturing method of an impact-resistant carbon fiber inhaul cable body comprises the steps of firstly, tightly arranging steel wires on the outer side of a carbon fiber bundle, then twisting 5-700 carbon fiber rods and the steel wires into a composite strand according to a spiral angle of 0-10 degrees through a twisting machine, tightly winding a wrapping tape on the outer side of the twisted composite strand 10 in a spiral mode one by one, carrying out multi-layer extrusion molding on the outer side of the wrapping tape through an extruding machine, and extruding polyethylene materials on the outer side of the wrapping tape through the extruding machine. The impact-resistant carbon fiber inhaul cable body is simple in structure, convenient to manufacture and resistant to impact, the defect of resistance of carbon fiber materials is overcome, and the impact resistance of the cable body is improved.
Description
Technical Field
The invention belongs to the technical field of cable body manufacturing, and particularly relates to a manufacturing method of an impact-resistant carbon fiber inhaul cable body.
Background
Along with the development of a bridge structure to an ultra-large span, the traditional steel stay cable has the problems of limited limit span, large sag, low bearing efficiency and the like. The inhaul cable is in service under a high stress state for a long time, and stress corrosion is easy to generate. At present, the strength grade of the steel wire for the bridge cable reaches 2100MPa, is limited by steel materials and anchoring materials, and the strength of the steel wire inhaul cable is improved to the limit.
The carbon fiber inhaul cable is very suitable for replacing the traditional steel inhaul cable due to the excellent performances of light weight, high strength, corrosion resistance, fatigue resistance and the like. The problems of replacement and potential safety hazards caused by the fact that a traditional inhaul cable is prone to corrosion, vibration fatigue and the like can be fundamentally solved. The carbon fiber also has obvious defects that the shear strength is only one tenth of the tensile strength, and the corresponding surface is the poor impact resistance of the carbon fiber inhaul cable.
Disclosure of Invention
In view of the above, the invention provides an impact-resistant carbon fiber inhaul cable body with excellent fatigue resistance, corrosion resistance and wide application range and a manufacturing method thereof, so as to meet industrial requirements.
An impact-resistant carbon fiber inhaul cable body comprises a composite strand and a protective layer wrapping the outer side of the composite strand. The composite strand comprises a carbon fiber bundle and a reinforcing layer arranged on the outer side of the carbon fiber bundle. The carbon fiber bundle includes a plurality of carbon fiber rods. The reinforcing layer includes a plurality of steel wires. The protective layer including set up in the compound strand outside around the band, and set up in around the band dorsad the inoxidizing coating of compound strand one side. The plurality of steel wires are sequentially arranged on the outer side of the carbon fiber bundle, and the extending direction of the steel wires is consistent with the extending direction of the carbon fiber rod. The carbon fiber rod and the steel wire are twisted together in the same direction, so that the carbon fiber rod and the steel wire are stable.
Further, the helical angle of the carbon fiber rods and the steel wire when twisted is 0 to 10 degrees.
Further, the diameter of the carbon fiber rod is the same as the diameter of the steel wire.
Furthermore, the outer contours of the steel wire and the carbon fiber rod are cylindrical.
Further, the steel wires are arranged and wrapped on the outer side of the carbon fiber rod by 1-3 layers.
Further, the protective layer is composed of a plurality of polyethylene protective layers.
A manufacturing method of an impact-resistant carbon fiber inhaul cable body comprises the following processing steps:
stranding carbon fiber bundles: tightly arranging steel wires on the outer side of the carbon fiber bundle, and twisting 5-700 carbon fiber rods and the steel wires into the composite bundle strand according to a helical angle of 0-10 degrees by a twisting machine;
winding a wrapping tape: tightly winding the wrapping tape in a spiral manner one turn by one turn outside the twisted composite strand;
extrusion coating protective layer: and carrying out multi-layer extrusion molding on the composite strand wound on the wrapping tape through an extruding machine, wherein the extruding machine extrudes polyethylene materials on the outer side of the wrapping tape.
Further, the twisting machine simultaneously twists the carbon fiber rod and the steel wire to form an integral composite strand.
Compared with the prior art, the impact resistance of the carbon fiber bundle is improved by the impact-resistant carbon fiber inhaul cable body through the reinforcing layer in the composite bundle strand. The manufacturing method of the impact-resistant carbon fiber inhaul cable body sequentially comprises the steps of stranding a composite strand, winding a wrapping tape and forming an extrusion molding protective layer to form the inhaul cable body. When twisting the composite strand, firstly, tightly arranging steel wires on the outer side of the carbon fiber bundle, and twisting 5-700 carbon fiber rods and the steel wires into the composite strand according to a helical angle of 0-10 degrees by a twisting machine. When winding around the band, the shaping is twisted compound bunch outside is with the spiral type winding closely circle by circle around the band, and during the extrusion molding inoxidizing coating, will accomplish the winding compound bunch that winds the band passes through the extruding machine and is in carry out the multilayer extrusion molding around the outside of band, this extruding machine is in polyethylene material extrusion molding is in the outside of winding the band. The steel wires in the reinforcing layer are sequentially arranged on the outer side of the carbon fiber bundles, so that the carbon fiber bundles are protected, and the impact resistance of the carbon fiber bundles is improved. The carbon fiber rod and the steel wire are twisted together in the same direction, so that the carbon fiber rod and the steel wire are stable. In addition, the protective layer is arranged on the outer side of the composite strand, the wrapping tape of the protective layer limits the positions of the steel wire and the carbon fiber rod, and the protective layer protects the composite strand. Therefore, the impact-resistant carbon fiber inhaul cable body is simple in structure, convenient to manufacture, impact-resistant and long in service life, overcomes the defect of resistance of carbon fiber materials, and improves the impact resistance of the cable body.
Drawings
Fig. 1 is a schematic structural view of an impact-resistant carbon fiber inhaul cable body provided by the invention.
Fig. 2 is a schematic structural diagram of a manufacturing method of an impact-resistant carbon fiber inhaul cable body provided by the invention.
Fig. 3 is a flow chart of a manufacturing method of the impact-resistant carbon fiber inhaul cable body provided by the invention.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1, it is a schematic structural diagram of an impact-resistant carbon fiber inhaul cable body provided by the present invention. The impact-resistant carbon fiber inhaul cable body comprises a composite strand 10 and a protective layer 20 wrapping the outer side of the composite strand 10. The impact-resistant carbon fiber cable body also includes other functional modules, such as assembly components and the like, which are well known to those skilled in the art and will not be described in detail herein.
The composite strand 10 includes a carbon fiber bundle 11, and a reinforcing layer 12 disposed outside the carbon fiber bundle 11.
The carbon fiber bundle 11 includes a plurality of carbon fiber rods 111. The reinforcing layer 12 comprises a plurality of steel wires 121. The plurality of steel wires 121 are sequentially arranged outside the carbon fiber bundle 11, thereby protecting the carbon fiber bundle 11 and improving the impact resistance of the carbon fiber bundle 11.
In addition, the extending direction of the steel wire 121 is consistent with the extending direction of the carbon fiber rod 111, and the carbon fiber rod 111 and the steel wire 121 are twisted together in the same direction, so that the carbon fiber rod 111 and the steel wire 121 are stabilized. The outer contours of the steel wire 121 and the carbon fiber rod 111 are cylindrical, and the diameter of the carbon fiber rod 111 is the same as that of the steel wire 121, so that the carbon fiber rod 111 and the steel wire 121 are matched together. The steel wires 121 are arranged and wrapped on 1 to 3 layers of the outer side of the carbon fiber rod 111 to ensure the impact resistance of the carbon fiber rod 111. In the present embodiment, the number of the carbon fiber rods 111 is 5 to 700, the diameter is 2 to 7mm, and the helical angle when the plurality of carbon fiber rods and the steel wire are twisted is 0 to 10 degrees.
The protective layer 20 comprises a wrapping tape 21 arranged on the outer side of the composite strand 10 and a protective layer 22 arranged on one side of the wrapping tape 21, which faces away from the composite strand 10.
The wrapping tape 21 is wrapped on the outer side of the carbon fiber bundle 11 to limit the positions of the carbon fiber rod 111 and the steel wire 121, and the wrapping tape 21 is a prior art and is not described herein again.
The protective layer 22 is composed of a plurality of polyethylene protective layers 221, the polyethylene protective layers 221 are all made of polyethylene, the polyethylene is thermoplastic resin made of ethylene through polymerization, the polyethylene has excellent low-temperature resistance and can resist corrosion of most of acid and alkali, and therefore the protective layer 22 can play a role in protecting the composite strand 10.
As shown in fig. 2 to 3, the invention is a schematic structural diagram of a manufacturing method of an impact-resistant carbon fiber inhaul cable body provided by the invention. The manufacturing method of the impact-resistant carbon fiber inhaul cable body comprises the following processing steps in the manufacturing process:
stranding the composite strand: firstly, tightly arranging steel wires 121 on the outer side of a carbon fiber bundle 11, and twisting 5-700 carbon fiber rods 111 and the steel wires 121 into the composite strand 10 according to a helical angle of 0-10 degrees by a twisting machine 1;
winding a wrapping tape: tightly winding the wrapping tape 21 in a spiral shape from turn to turn outside the twisted composite strand 10;
extrusion coating protective layer: the winding of the composite strand 10 of the wrapping tape 21 is completed through an extruding machine 2, multi-layer extrusion is carried out on the outer side of the wrapping tape 21, polyethylene materials are extruded on the outer side of the wrapping tape 21 through the extruding machine 2 to form two layers of the protective layer 22 in the embodiment, the polyethylene materials are extruded on the wrapping tape 21 to form a first layer of the protective layer 22 through the extruding machine, and then the polyethylene materials are extruded on the first layer of the protective layer 22 through the extruding machine again to form a second layer of the protective layer 22.
In the process of stranding the composite strand 10, the stranding machine 1 simultaneously stranding the carbon fiber rod 111 and the steel wire 121 to form the integral composite strand 10, so that the carbon fiber bundle 11 and the reinforcing layer 12 in the stranded carbon fiber bundle 10 are tightly matched, and the integral strength of the carbon fiber bundle 10 is ensured.
Compared with the prior art, the impact resistance of the carbon fiber bundle 11 is improved by the impact-resistant carbon fiber inhaul cable body provided by the invention through the reinforcing layer 12 in the composite bundle strand 10. The manufacturing method of the impact-resistant carbon fiber inhaul cable body sequentially comprises the steps of stranding the composite strand 10, winding the wrapping tape 21 and extruding the protective layer 22 to form the inhaul cable body. When twisting the composite strand 10, firstly, the steel wires 121 are tightly arranged outside the carbon fiber bundle 11, and then 5 to 700 carbon fiber rods 111 and the steel wires 121 are twisted into the composite strand 10 by a twisting machine 1 according to a helix angle of 0 to 10 degrees. When winding around band 21, in the twisting shaping compound strand 10 outside with the spiral type twine closely circle by circle around band 21, when extrusion molding inoxidizing coating 22, will accomplish to twine compound strand 10 of band 21 is in through extruding machine 2 the outside of band 21 carries out the multilayer extrusion molding, this extruding machine 2 with polyethylene material extrusion molding in the outside of band 21. The plurality of steel wires 121 in the reinforcing layer 12 are sequentially arranged outside the carbon fiber bundle 11, so that the carbon fiber bundle 11 is protected, and the impact resistance of the carbon fiber bundle 11 is improved. The carbon fiber rod 111 and the steel wire 121 are twisted together in the same direction, so that the carbon fiber rod 111 and the steel wire 121 are stabilized. In addition, the protective layer 20 is disposed outside the composite strand 10, the wrapping tape 21 of the protective layer 20 limits the positions of the steel wires 121 and the carbon fiber rods 111, and the protective layer 22 protects the composite strand 10. Therefore, the impact-resistant carbon fiber inhaul cable body is simple in structure, convenient to manufacture, impact-resistant and long in service life, overcomes the defect of resistance of carbon fiber materials, and improves the impact resistance of the cable body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (8)
1. The utility model provides a carbon fiber cable body of shock-resistant, its characterized in that: the impact-resistant carbon fiber inhaul cable body comprises a composite strand and a protective layer wrapped on the outer side of the composite strand, the composite strand comprises a carbon fiber bundle and a reinforcing layer arranged on the outer side of the carbon fiber bundle, the carbon fiber bundle comprises a plurality of carbon fiber rods, the reinforcing layer comprises a plurality of steel wires, the protective layer comprises a wrapping belt arranged on the outer side of the composite strand and a protective layer arranged on one side of the composite strand, back to the wrapping belt, a plurality of the steel wires are sequentially arranged on the outer side of the carbon fiber bundle, the extending direction of the steel wires is consistent with the extending direction of the carbon fiber rods, the carbon fiber rods are twisted together in the same direction between the steel wires, and the carbon fiber rods are stable between the steel wires.
2. The impact resistant carbon fiber inhaul cable body of claim 1, wherein: the helical angle of the carbon fiber rods and the steel wire during twisting is 0-10 degrees.
3. The impact resistant carbon fiber inhaul cable body of claim 1, wherein: the diameter of the carbon fiber rod is the same as that of the steel wire.
4. The impact resistant carbon fiber inhaul cable body of claim 1, wherein: the steel wire and the outer contour of the carbon fiber rod are cylindrical.
5. The impact resistant carbon fiber inhaul cable body of claim 1, wherein: the steel wires are arranged and wrapped on 1-3 layers of the outer side of the carbon fiber rod.
6. The impact resistant carbon fiber inhaul cable body of claim 1, wherein: the protective layer is composed of a plurality of polyethylene protective layers.
7. A manufacturing method of an impact-resistant carbon fiber inhaul cable body comprises the following processing steps:
stranding the composite strand: tightly arranging steel wires on the outer side of the carbon fiber bundle, and twisting 5-700 carbon fiber rods and the steel wires into the composite bundle strand according to a helical angle of 0-10 degrees by a twisting machine;
winding a wrapping tape: tightly winding the wrapping tape in a spiral manner one turn by one turn outside the twisted composite strand;
extrusion coating protective layer: and carrying out multi-layer extrusion molding on the composite strand wound on the wrapping tape through an extruding machine, wherein the extruding machine extrudes polyethylene materials on the outer side of the wrapping tape.
8. The impact resistant carbon fiber inhaul cable of claim 7, wherein: the twisting machine simultaneously twists the carbon fiber rods and the steel wires to form an integral composite strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411635.7A CN114214855A (en) | 2021-11-23 | 2021-11-23 | Impact-resistant carbon fiber inhaul cable body and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411635.7A CN114214855A (en) | 2021-11-23 | 2021-11-23 | Impact-resistant carbon fiber inhaul cable body and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN114214855A true CN114214855A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111411635.7A Pending CN114214855A (en) | 2021-11-23 | 2021-11-23 | Impact-resistant carbon fiber inhaul cable body and manufacturing method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213507A (en) * | 2014-08-27 | 2014-12-17 | 中铁大桥局股份有限公司 | High-damping composite stay cable based on carbon fibers and steel strands |
| CN205451804U (en) * | 2016-01-04 | 2016-08-10 | 中科电力装备科技有限公司 | Resistant high low temperature single core cable with stretch -proofing structure |
| CN107068249A (en) * | 2014-12-29 | 2017-08-18 | 江苏亨通电力特种导线有限公司 | High current-carrying capacity electric power overhead wire |
| JP2017177394A (en) * | 2016-03-28 | 2017-10-05 | 小松精練株式会社 | Incombustible carbon fiber composite material |
| CN107974938A (en) * | 2017-12-26 | 2018-05-01 | 浙锚科技股份有限公司 | Carbon fiber shearing resistance cable body |
| CN209010975U (en) * | 2018-08-28 | 2019-06-21 | 法尔胜泓昇集团有限公司 | Intelligent cable containing carbon fiber composite material rib |
| CN111379220A (en) * | 2018-12-29 | 2020-07-07 | 上海浦江缆索股份有限公司 | Inhaul cable body with high-temperature-resistant fireproof layer and manufacturing method thereof |
| CN216474216U (en) * | 2021-11-23 | 2022-05-10 | 上海浦江缆索股份有限公司 | Impact-resistant carbon fiber inhaul cable body |
-
2021
- 2021-11-23 CN CN202111411635.7A patent/CN114214855A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213507A (en) * | 2014-08-27 | 2014-12-17 | 中铁大桥局股份有限公司 | High-damping composite stay cable based on carbon fibers and steel strands |
| CN107068249A (en) * | 2014-12-29 | 2017-08-18 | 江苏亨通电力特种导线有限公司 | High current-carrying capacity electric power overhead wire |
| CN205451804U (en) * | 2016-01-04 | 2016-08-10 | 中科电力装备科技有限公司 | Resistant high low temperature single core cable with stretch -proofing structure |
| JP2017177394A (en) * | 2016-03-28 | 2017-10-05 | 小松精練株式会社 | Incombustible carbon fiber composite material |
| CN107974938A (en) * | 2017-12-26 | 2018-05-01 | 浙锚科技股份有限公司 | Carbon fiber shearing resistance cable body |
| CN209010975U (en) * | 2018-08-28 | 2019-06-21 | 法尔胜泓昇集团有限公司 | Intelligent cable containing carbon fiber composite material rib |
| CN111379220A (en) * | 2018-12-29 | 2020-07-07 | 上海浦江缆索股份有限公司 | Inhaul cable body with high-temperature-resistant fireproof layer and manufacturing method thereof |
| CN216474216U (en) * | 2021-11-23 | 2022-05-10 | 上海浦江缆索股份有限公司 | Impact-resistant carbon fiber inhaul cable body |
Non-Patent Citations (1)
| Title |
|---|
| 俞建勇等, vol. 2017, 北京：国防工业出版社, pages: 125 - 128 * |
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