CN112071482A - Aramid fiber/carbon fiber composite core stranded wire, and preparation device and preparation method thereof - Google Patents
Aramid fiber/carbon fiber composite core stranded wire, and preparation device and preparation method thereof Download PDFInfo
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- CN112071482A CN112071482A CN202010724952.3A CN202010724952A CN112071482A CN 112071482 A CN112071482 A CN 112071482A CN 202010724952 A CN202010724952 A CN 202010724952A CN 112071482 A CN112071482 A CN 112071482A
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
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- 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
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- 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
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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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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Abstract
The invention belongs to the field of composite core preparation modification, and particularly relates to a preparation method for preparing an aramid fiber/carbon fiber composite core stranded wire. In the aramid fiber/carbon fiber composite core stranded wire, aramid fiber is used as an outer layer, a carbon fiber composite core is used as a core layer, the aramid fiber, carbon fiber and epoxy resin composition are compounded through a pultrusion process, and the stranded wire adopts an arrangement mode of 'aramid fiber-carbon fiber-aramid fiber' staggered concentric rings from outside to inside. Traditional single fibre pultrusion sample is compared to this compound core sample, and resin and fibrous bonding property improves greatly, and the tensile strength of stranded conductor also improves greatly, has advantages such as intensity height, high temperature resistant, line loss are low, intelligent, compares traditional carbon fiber compound core, and factor of safety improves greatly, has increased the reliability and the security of smart power grids and power supply line, also effectively reduces to the emergence of the accident that natural disasters arouse.
Description
Technical Field
The invention belongs to the field of composite core preparation modification, and particularly relates to a preparation method for preparing an aramid fiber/carbon fiber composite core stranded wire.
Background
An overhead transmission line generally adopts a steel-cored aluminum strand, the center of the overhead transmission line is the steel strand, at present, in the preparation process of a cable core, a carbon fiber pultrusion product is often selected as a supporting material, but recently, many accidents occur, some problems still exist, and the use of the carbon fiber pultrusion product in some engineering applications is forbidden, for example, the combination of soft aluminum and a carbon fiber composite core can effectively reduce the line loss, but the soft aluminum has low mechanical strength and is easy to be damaged, the carbon fiber composite core can not realize continuous tension paying off with a continuous hardware fitting, and the price is relatively high. Based on the problems, the aramid fiber and the carbon fiber are selected as raw materials for pultrusion, the aramid fiber has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, wherein the specific strength is 5-6 times of that of steel, the modulus is 2-3 times of that of steel wires and glass fibers, the toughness is 2 times of that of the steel wires, and the density is only about 1/5 times of that of the steel wires. Aramid fiber is high-performance fiber with excellent comprehensive performance, maximum yield and broadest application, plays an important role in the high-performance fiber, and has irreplaceable effects in various aspects such as national defense, aerospace, automobile weight reduction, energy conservation, emission reduction, new energy development and the like.
Pultrusion is an important method for manufacturing high-performance low-cost continuous composite materials, and refers to a technological method for producing composite material profiles by heating continuous fibers or fabrics impregnated with resin through a die under the action of traction equipment to solidify the resin, and has the advantages of controllable fiber content, high raw material utilization rate, high production efficiency and the like. The conventional pultrusion production line comprises a creel, a glue dipping tank, a shaping mold, a traction device, a cutting device and the like. The pultruded product has the advantages of light weight, high strength, corrosion resistance and the like, and has wide application in the fields of buildings, traffic, medical treatment, communication, power transmission and the like. The pultrusion process requires that the matrix resin has the characteristics of long applicable period, short gelation time, high curing speed and the like. The matrix resin suitable for pultrusion of the composite material mainly comprises epoxy resin and unsaturated polyester. The epoxy resin has low curing shrinkage, strong cohesive force, low volatilization rate, good mechanical property and chemical corrosion resistance after curing, good electrical insulation property, and better organic solvent resistance and alkali resistance than unsaturated polyester, thereby becoming a resin matrix for pultrusion with excellent comprehensive performance. For example, the chinese patent publication discloses an application with the following application numbers: CN102136319A, entitled high-strength continuous fiber resin-based composite core for overhead conductors, the main technical scheme is that the single-core composite core is formed by communication compounding of an inner layer fiber resin core and an outer layer fiber resin core. The method has the advantages of troublesome operation, low efficiency, incapability of realizing continuous production and low production efficiency.
The Chinese patent publication also discloses a method with the application number as follows: CN101707077A, entitled Intelligent composite core for manufacturing overhead transmission aluminum conductor, the main technical scheme is that the intelligent composite core is composed of basalt fiber, high-strength steel wire, distributed continuous fiber sensor, high-temperature resistant resin and high-temperature resistant flame-retardant coating, and the main structure is as follows: basalt fibers, high-strength steel wires, distributed continuous optical fiber sensing and high-temperature-resistant resin are compounded into the composite core material by pultrusion at one time. The surface treatment effect by adopting the method is limited, and the reaction time is relatively long.
Compared with the traditional single fiber pultrusion sample, the composite core has the advantages of high strength, high temperature resistance, low line loss, intellectualization and the like.
Disclosure of Invention
Technical problem to be solved by the invention
The invention aims to take aramid fiber and carbon fiber as raw materials for pultrusion, compared with the traditional single fiber pultrusion sample, the composite core sample has the advantages of greatly improved bonding performance of resin and fiber, greatly improved tensile strength of stranded wires, high strength, high temperature resistance, low wire loss, intellectualization and the like, compared with the traditional carbon fiber composite core, greatly improved safety coefficient, increased reliability and safety of an intelligent power grid and a power supply line, and effectively reduced occurrence of sudden accidents caused by natural disasters.
Means for solving the technical problem
Aiming at the problems, the invention provides an aramid fiber/carbon fiber composite core stranded wire and a preparation method thereof.
According to one embodiment of the invention, the aramid fiber/carbon fiber composite core stranded wire is provided, wherein the aramid fiber is used as an outer layer, the carbon fiber composite core is used as a core layer, the aramid fiber, the carbon fiber and the epoxy resin composition are compounded through a pultrusion process, and the stranded wire adopts an arrangement mode of staggered concentric rings of the aramid fiber-carbon fiber-aramid fiber from outside to inside.
One embodiment is that the volume ratio of the aramid fiber and the carbon fiber to the resin is 3:2, the volume ratio of the aramid fiber to the carbon fiber is 1:1, and the aramid fiber is commercially available aramid three fiber or aramid 1414.
One embodiment is that, the epoxy resin composition comprises 10-20 parts of epoxy resin, 50-100 parts of curing agent, 1-5 parts of release agent and 0.3-0,5 parts of silane coupling agent according to weight ratio.
The device for preparing the aramid/carbon fiber composite core stranded wire as claimed in claim 1, wherein the main body pultrusion device is a crawler-type multi-machine-position linkage intelligent pultrusion machine, and the machine positions can be linked through an intelligent sensor, so that a plurality of production lines can be simultaneously pultruded.
The utility model provides an embodiment does, wherein, multimachine position linkage intelligence pultrusion machine contains the curing mould, and the curing mould is the adjustable mould of internal diameter, through the intelligent display screen who links to each other with the curing mould, adjusts the internal diameter size, and internal diameter adjustable range is 2.5-8mm, and the mould is inner wall autogiration formula mould, and in the pultrusion process, through inner wall autogiration, can realize the transposition of stranded composite core.
One embodiment is that, the multi-station linkage intelligent pultrusion machine comprises a curing mold, the curing mold is automatically matched with a temperature-controllable mold, the type of the raw material for pultrusion is input on the display screen of the controller, the controller automatically matches three sections of suitable temperatures by searching the database, the three sections of the curing mold have the temperature ranges of 150-.
One embodiment is that, wherein, the multi-station linkage intelligent pultrusion machine comprises a tunnel type intelligent oven device, which is connected with a curing mold to automatically match the appropriate post-curing temperature, the temperature range is 100-300 ℃, the inner wall adopts a hearth type design, and three high-definition cameras are additionally arranged on the inner wall for a user to monitor the appearance and the curing degree of a sample in the post-curing process in real time, so as to facilitate temperature adjustment, and two ends of the device are respectively provided with a curing protection area.
One embodiment is that, wherein, the multi-machine-position linkage intelligent pultrusion machine comprises a collecting device which is a traction/cutting/winding all-in-one machine and is networked with the front-end post-curing device and the die, and the traction speed, the cutting frequency and the winding speed are automatically adjusted according to the feedback of a camera arranged on a curing die unit.
A method of preparing the aramid/carbon fiber composite core strand of claim 1, comprising the steps of:
(1) aramid fiber and carbon fiber are subjected to prepreg treatment through a prepreg tank, and the volume ratio of epoxy resin: diluent 1: 3;
(2) the fiber passes through a glue groove and is glued;
(3) the carbon fiber is arranged in the middle, the aramid fiber is arranged on two sides of the carbon fiber, the carbon fiber enters a mold for curing, and the three-section curing temperature is respectively set to be 150-320 ℃, 160-330 ℃ and 150-320 ℃;
(4) and after the sample is taken out of the curing mould, the sample is subjected to post-curing treatment by a tunnel type intelligent oven, and the prepared sample is respectively wound on different coils and collected to obtain the composite core.
In one embodiment, the pre-dip solution comprises 1-2 parts by weight of epoxy resin and 3-4 parts by weight of diluent.
The invention has the advantages of
The invention relates to a preparation method for preparing an aramid fiber/carbon fiber composite core stranded wire. Compared with the traditional single fiber pultrusion sample, the composite core sample has the advantages of greatly improved bonding performance of resin and fiber, greatly improved tensile strength of stranded wires, high strength, high temperature resistance, low line loss, intellectualization and the like, greatly improved safety coefficient compared with the traditional carbon fiber composite core, increased reliability and safety of an intelligent power grid and a power supply line, and effectively reduced occurrence of sudden accidents caused by natural disasters.
Further features of the present invention will become apparent from the following description of exemplary embodiments.
Detailed Description
One embodiment of the present disclosure will be specifically described below, but the present disclosure is not limited thereto.
The invention relates to a preparation method for preparing an aramid fiber/carbon fiber composite core stranded wire, wherein aramid fiber is used as an outer layer, a carbon fiber composite core is used as a core layer, fiber and epoxy resin are compounded through a pultrusion process, the diameter of a pultrusion die is selected to be 6.5mm, the volume ratio of the fiber to the resin is 3:2, and the ratio of the aramid fiber to the carbon fiber is 1: 1. Preparing epoxy resin and a pre-dipping solution, selecting the epoxy resin and a curing agent thereof, and mixing the following components in percentage by weight: curing agent: the release agent is 10:10: 1; and (3) allowing the fiber to pass through a prepreg tank for prepreg treatment, wherein the volume ratio of epoxy resin: diluent 1: 3; the fiber passes through a glue groove and is glued; entering a die to be solidified in three sections, wherein the temperature is respectively set to be 240 ℃, 250 ℃ and 240 ℃; the carbon fiber is placed in the middle, and the aramid fiber is arranged on two sides of the carbon fiber, enters the mold for curing, then is discharged from the mold, passes through the tunnel type drying oven, is subjected to post-curing treatment, and is wound on different coils respectively to collect the prepared samples, so that the composite core is obtained.
As a preferred technical scheme:
the surface treatment and integrated design method for the aramid fiber pultrusion process is characterized in that the fibers are carbon fibers and aramid fibers, the volume ratio of the carbon fibers to the aramid fibers is 1:1, and the two fibers are doped in a staggered mode by a staggered wire penetrating method.
The method has the advantages that the pultrusion equipment is limited, the crawler-type double-machine-position pultrusion machine is selected as the main body pultrusion equipment, and the two production lines can be simultaneously pultruded.
The method as described above, wherein the die orifice of the curing die is selected to be 6.5mm, and the inner wall thereof is designed to be a selective inner wall, so that twisting can be achieved.
The method as described above, wherein the temperatures of the three sections of the die are set to 260 ℃, 270 ℃, 260 ℃ and the drawing speed is set to 8cm/min, respectively.
The method is characterized in that a tunnel type oven device is arranged, the temperature of the tunnel type oven device is set to be 200 ℃, the inner wall of the tunnel type oven device is designed in a hearth type, and two ends of the tunnel type oven device are respectively provided with a solidification protection area.
The method as described above, wherein the epoxy resin is selected from the group consisting of epoxy resin and a curing agent thereof, and the weight ratio of the epoxy resin: curing agent: the mold release agent is 10:10:1, and the formula of the pre-dipping solution is as follows according to the volume ratio of epoxy resin: the diluent was 1:3, and 3% of a silane coupling agent was added.
The method as described above, wherein the volume ratio of fiber to resin during pultrusion is 3: 2.
The method is characterized in that the collecting device is used for cutting by a sectional type interactive cutting machine, the frequency is 15 min/time, and the tail end is provided with an automatic rotating wire winding coil, so that the collection is convenient.
Examples
The present invention is described in more detail by way of examples, but the present invention is not limited to the following examples.
Example 1
A pultrusion preparation method of a glass fiber belt coated aramid fiber stranded wire comprises the following steps:
(1) the experiment selects high-temperature-resistant epoxy resin, and the corresponding curing agent is modified methyl tetrahydrophthalic anhydride which is prepared from the following epoxy resin in percentage by weight: curing agent: the release agent is 10:10: 1.
(2) Selecting a die with a die orifice diameter of 2.5mm, respectively preparing seven batches of pultrusion samples, setting the speed of a tractor to be 8cm/min, and setting the three-section curing temperature to be 240 ℃, 250 ℃ and 240 ℃;
(3) carrying out secondary pultrusion process on the sample obtained by primary pultrusion, twisting seven pultruded samples into a fried dough twist sample through a rotary die, wherein the three-section curing temperature is 180 ℃, 190 ℃ and 180 ℃;
(4) during twisting, two glass fiber belts are introduced at the position of a die inlet and on two sides of the die inlet so as to be coated around a twisted sample;
(5) and collecting a finished product after molding.
The method is expanded in application, the interior of the method is pure aramid fiber, and only a layer of glass fiber belt is coated on the exterior of the method, so that the surface appearance of the method is improved.
Example 2
A preparation process of an aramid fiber and carbon fiber cable composite core comprises the following steps:
preparing epoxy resin and a pre-dipping solution before pultrusion, selecting the epoxy resin and a curing agent thereof according to the weight ratio of the epoxy resin: curing agent: the release agent is 10:10: 1; and (3) allowing the fiber to pass through a prepreg tank for prepreg treatment, wherein the volume ratio of epoxy resin: diluent 1: 3; the fiber passes through a glue groove and is glued; curing in a mold at three stages at 260 deg.C, 270 deg.C and 260 deg.C; taking out the mold, passing through a tunnel type oven, performing post-curing treatment, respectively winding the prepared samples on different coils, and collecting; and (3) carrying out a secondary pultrusion process on the prepared sample, changing the inner wall of the die into a rotary type, passing one product through the central bundling hole without heating, uniformly distributing the four optical fiber products in the four bundling holes around the central bundling hole, simultaneously drawing in a rubber layer to coat the four optical fiber products, and rotating to obtain the cable composite core.
Example 3
A method for preparing a cable core supporting material based on a pultrusion process comprises the following steps:
(1) selecting epoxy resin for preparation;
(2) the aramid fiber and the carbon fiber are glued through a glue groove; curing in a mold in three stages at 180 deg.C, 190 deg.C, 180 deg.C, and pultrusion speed of 8 cm/min;
(3) then, taking out the die, passing through a tunnel type drying oven, carrying out post-curing treatment, preparing four groups of samples according to the method, and respectively winding the prepared samples on different coils;
(4) the four prepared samples are subjected to a secondary pultrusion process, the inner wall of the die is changed into a rotary type, one product passes through the central bundling hole, the other products are uniformly distributed in six bundling holes around the central bundling hole, are pre-soaked through a pre-soaking groove and enter a glue groove, and are soaked through the die with a rotating device on the inner wall, and an aramid fiber belt is pulled in the position of a die inlet and is coated around the stranded wire, so that the surface performance is improved.
Example 4
A composite pultrusion preparation process of glass fiber and carbon fiber (the example is an expansion application, and the method is expanded to other types of fibers), which comprises the following steps:
preparing epoxy resin and a pre-dipping solution before pultrusion, selecting the epoxy resin and a curing agent thereof according to the weight ratio of the epoxy resin: curing agent: the release agent is 10:10: 1; and (3) allowing the fiber to pass through a prepreg tank for prepreg treatment, wherein the volume ratio of epoxy resin: diluent 1: 3; the fiber passes through a glue groove and is glued; entering a die to be solidified in three sections, wherein the temperature is respectively set to be 240 ℃, 250 ℃ and 240 ℃; the carbon fiber is placed in the middle, and both sides are glass fiber, get into the mould solidification, go out the mould afterwards, through tunnel formula oven, the postcure is handled, twines the sample that makes respectively on different coils, collects from this and has obtained compound core.
According to experiments, when the composite core is broken under load, the part with lower strength is broken first, so that the doping mode determines whether the tensile strength of the composite core can be broken through. The invention adopts the arrangement mode of 'aramid fiber-carbon fiber-aramid fiber' staggered concentric rings from outside to inside, and the strength of the composite core is improved compared with that of a single composite core. The following is illustrated by experimental data:
experiment temperature: at normal temperature
Experimental equipment: horizontal stretching instrument
Length of sample: 100-120cm
| Serial number | Kind of fiber | Maximum pulling force (KN) | Tensile Strength (MPa) |
| 1 | Aramid fiber | 29.3 | 883 |
| 2 | Aramid fiber + carbon fiber (hybrid arrangement) | 31.7 | 955 |
| 3 | Aramid fiber and carbon fiber (staggered concentric circle) | 37.3 | 1124 |
Industrial applicability
The carbon fiber composite core greatly improves the safety factor, increases the reliability and safety of the smart grid and the power supply line, effectively reduces the occurrence of sudden accidents caused by natural disasters, and has good industrial practicability.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The aramid fiber/carbon fiber composite core stranded wire is characterized in that aramid fiber serves as an outer layer, a carbon fiber composite core serves as a core layer, aramid fiber, carbon fiber and an epoxy resin composition are compounded through a pultrusion process, and the stranded wire is formed from outside to inside in a mode of arrangement of 'aramid fiber-carbon fiber-aramid fiber' staggered concentric rings.
2. The stranded wire of claim 1, wherein the aramid fiber and the volume ratio of the carbon fiber to the resin are 3:2, the volume ratio of the aramid fiber to the carbon fiber is 1:1, and the aramid fiber is aramid triliber, aramid 1414.
3. The stranded wire of claim 1, wherein the epoxy resin composition comprises 10 to 20 parts by weight of an epoxy resin, 50 to 100 parts by weight of a curing agent, 1 to 5 parts by weight of a release agent, and 0.3 to 0,5 parts by weight of a silane coupling agent.
4. The equipment for preparing the aramid fiber/carbon fiber composite core stranded wire according to claim 1 is characterized in that crawler-type multi-machine-position linkage intelligent pultrusion machines are selected as main body pultrusion equipment, linkage can be realized between the machine positions through intelligent sensors, and simultaneous pultrusion of a plurality of production lines is realized.
5. The apparatus of claim 4, wherein the multi-station linkage intelligent pultrusion machine comprises a curing mold, the curing mold is an inner diameter adjustable mold, the inner diameter is adjusted through an intelligent display screen connected with the curing mold, the inner diameter adjustable range is 2.5-8mm, the mold is an inner wall self-rotating mold, and the twisting of the multi-strand composite core can be realized through the automatic rotation of the inner wall in the pultrusion process.
6. The apparatus as claimed in claim 4, wherein the multi-station linkage intelligent pultrusion machine comprises a curing mold, the curing mold is automatically matched with a temperature-controllable mold, the type of the raw material for pultrusion is input on the display screen of the control system, the control system automatically matches three sections of suitable temperatures by searching the database thereof, the three sections of the curing mold have a temperature range of 150-.
7. The apparatus as claimed in claim 4, wherein the multi-station linkage intelligent pultrusion machine comprises a tunnel type intelligent oven device, which is connected with the curing mold to automatically match the appropriate post-curing temperature, the temperature range is 100-300 ℃, the inner wall adopts a hearth type design, and three high-definition cameras are additionally arranged on the inner wall for a user to monitor the appearance and the curing degree of the sample in the post-curing process in real time, so as to facilitate temperature adjustment, and a curing protection area is respectively arranged at two ends of the device.
8. The apparatus of claim 4, wherein the multi-station linkage intelligent pultrusion machine comprises a collecting device, the collecting device is a traction/cutting/winding all-in-one machine and is networked with the front end post-curing device and the die, and the traction speed, the cutting frequency and the winding speed are automatically adjusted according to the feedback of a camera installed on the curing die unit.
9. A method for preparing the aramid/carbon fiber composite core strand as set forth in claim 1, characterized by comprising the steps of:
(1) aramid fiber and carbon fiber are subjected to prepreg treatment through a prepreg tank, and the volume ratio of epoxy resin: diluent 1: 3;
(2) the fiber passes through a glue groove and is glued;
(3) the carbon fiber is arranged in the middle, the aramid fiber is arranged on two sides of the carbon fiber, the carbon fiber enters a mold for curing, and the three-section curing temperature is respectively set to be 150-320 ℃, 160-330 ℃ and 150-320 ℃;
(4) and after the sample is taken out of the curing mould, the sample is subjected to post-curing treatment by a tunnel type intelligent oven, and the prepared sample is respectively wound on different coils and collected to obtain the composite core.
10. The method according to claim 9, wherein the pre-dip solution is prepared from 1-2 parts by weight of epoxy resin and 3-4 parts by weight of diluent.
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| CN202010724952.3A CN112071482A (en) | 2020-07-24 | 2020-07-24 | Aramid fiber/carbon fiber composite core stranded wire, and preparation device and preparation method thereof |
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| CN202010724952.3A CN112071482A (en) | 2020-07-24 | 2020-07-24 | Aramid fiber/carbon fiber composite core stranded wire, and preparation device and preparation method thereof |
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| CN1067845A (en) * | 1992-05-29 | 1993-01-13 | 国家建筑材料工业局哈尔滨玻璃钢研究所 | Composite material pultrusion machine |
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| CN102103902A (en) * | 2011-01-27 | 2011-06-22 | 南京诺尔泰复合材料设备制造有限公司 | Cable with composite carbon fiber stranded wire reinforced core for power transmission line and manufacturing method thereof |
| CN102516708A (en) * | 2011-11-25 | 2012-06-27 | 中国电力科学研究院 | Composite core for power grid transmission line wire and preparation method thereof |
| CN103109330A (en) * | 2010-09-17 | 2013-05-15 | 3M创新有限公司 | Fiber-reinforced nanoparticle-loaded thermoset polymer composite wires and cables, and methods |
| CN103531292A (en) * | 2013-10-18 | 2014-01-22 | 上海大学 | Manufacturing equipment for fiber composite rope core for transmission overhead conductor |
| CN104851497A (en) * | 2015-05-19 | 2015-08-19 | 山东大学 | Three-layer concentric high-performance fiber composite material cable core rod and manufacturing method thereof |
| CN104900320A (en) * | 2015-06-11 | 2015-09-09 | 远东电缆有限公司 | Super-flexible twisted-type carbon fiber composite core for smart energy, and manufacturing method for super-flexible twisted-type carbon fiber composite core |
-
2020
- 2020-07-24 CN CN202010724952.3A patent/CN112071482A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067845A (en) * | 1992-05-29 | 1993-01-13 | 国家建筑材料工业局哈尔滨玻璃钢研究所 | Composite material pultrusion machine |
| CN101494092A (en) * | 2009-02-18 | 2009-07-29 | 程显军 | Aramid fiber fabric and carbon fibre composite core for overhead transmission line conductor |
| CN103109330A (en) * | 2010-09-17 | 2013-05-15 | 3M创新有限公司 | Fiber-reinforced nanoparticle-loaded thermoset polymer composite wires and cables, and methods |
| CN102103902A (en) * | 2011-01-27 | 2011-06-22 | 南京诺尔泰复合材料设备制造有限公司 | Cable with composite carbon fiber stranded wire reinforced core for power transmission line and manufacturing method thereof |
| CN102516708A (en) * | 2011-11-25 | 2012-06-27 | 中国电力科学研究院 | Composite core for power grid transmission line wire and preparation method thereof |
| CN103531292A (en) * | 2013-10-18 | 2014-01-22 | 上海大学 | Manufacturing equipment for fiber composite rope core for transmission overhead conductor |
| CN104851497A (en) * | 2015-05-19 | 2015-08-19 | 山东大学 | Three-layer concentric high-performance fiber composite material cable core rod and manufacturing method thereof |
| CN104900320A (en) * | 2015-06-11 | 2015-09-09 | 远东电缆有限公司 | Super-flexible twisted-type carbon fiber composite core for smart energy, and manufacturing method for super-flexible twisted-type carbon fiber composite core |
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Application publication date: 20201211 |