CN103117123A - Carbon fiber reinforced polymer cable core with high elongation and production method thereof - Google Patents
Carbon fiber reinforced polymer cable core with high elongation and production method thereof Download PDFInfo
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- CN103117123A CN103117123A CN2013100389227A CN201310038922A CN103117123A CN 103117123 A CN103117123 A CN 103117123A CN 2013100389227 A CN2013100389227 A CN 2013100389227A CN 201310038922 A CN201310038922 A CN 201310038922A CN 103117123 A CN103117123 A CN 103117123A
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Abstract
The invention discloses a carbon fiber reinforced polymer cable core with high elongation and a production method thereof. The carbon fiber reinforced polymer cable core structure is characterized by comprising a glass fiber insulating layer which is internally provided with a 2D (2-dimension) woven carbon fiber layer. The 2D woven carbon fiber layer is in a rope structure which comprises axial yarns and textile yarns. The axial yarns are made of aramid fibers, and the textile yarns are made of carbon fibers. The inner side of the 2D woven carbon fiber layer is provided with a high-strength glass fiber layer or an aramid fiber layer. The carbon fiber reinforced polymer cable core keeps the advantages of high carrying capacity, high working temperature, resistance to corrosion, light weight, high strength, low relaxation degrees and low loss of existing ACCC (aluminum conductor composite core) cable cores. However the elongation is increased and toughness of the cable core is improved, so that production and application of the cables are facilitated.
Description
Technical field
The present invention relates to a kind of carbon fiber composite material cable core material structure and manufacture method thereof with high elongation rate.
Background technology
The aluminium cable (ACSR) that the alternative traditional steel core material of aluminium cable (ACCC) that strengthens with the carbon fiber composite material core material strengthens is the direction of present high-tension cable development.Compare with the ACSR cable of same diameter, the ACCC cable can provide double current-carrying capacity.Have low sag characteristic: sag less than 1/2 of steel reinforced aluminium conductor, can prevent electric arc under hot conditions, makes the ground biology safer, also can reduce the height of cable rack.Working temperature reaches as high as 200～230 ℃.Corrosion resistance is good: do not have potential corrosion between bimetallic.Delay cable aging, useful life is higher than 2 times of common cable.Lightweight: the proportion of carbon fiber complex core is about 1/4 of steel.ACCC cable unit weight is than the light 10-20% of conventional ACSR cable, thereby reduced engineering cost.Intensity is high: be 2 times of common cable.The tensile strength of ordinary steel wire is 1240Mpa-1410Mpa, and the intensity of the carbon fiber glass fibre mixing core of ACCC cable reaches 2100Mpa-2400Mpa.The high strength core can effectively reduce the quantity 20% of cable rack, saves land used.Loss is low: due to magnetic loss and the thermal effect that the ACCC cable does not exist wire material to cause, can reduce transmission loss approximately 6% etc.
But in use also there are some problems in present carbon fiber composite material cable core, and at first carbon fiber is load fiber main in cable core, but because carbon fiber is fragile material, makes carbon fiber cable core toughness relatively poor.ACCC cable core take diameter as 10mm is example, if the glass outer fiber is the E glass fibre, layer thickness is 1mm, and the internal layer carbon fiber is the T700 carbon fiber, and layer diameter is 8mm, needs on the cylinder that is equivalent to 55 times of diameters around a circle by this cable core of standard.The outer field girth of cable core this moment is greater than the internal layer girth, and is as constant in hypothesis inner fiber length, and outer layer fiber is in extended state.Can be calculated, the elongation strain of glass fibre maximum is 3.65%, and carbon fiber is 3.47%.And we know that the elongation at break of glass fibre is 4.8%, can satisfy instructions for use fully.And carbon fiber is 2.1%, will produce very large internal stress like this, even causes the destruction at interface.This situation all exists in erection process and environment for use, and the cable core diameter is larger, and this problem is just more serious.Next is the difference due to two kinds of core percentage elongations, in core, the glass fiber strength performance does not play one's part to the full, still take T700 carbon fiber and E glass fibre as example, the hot strength of E glass fibre is 3.4GPa, elongation at break is twice than carbon fiber, that is to say to reach the ultimate elongation of carbon fiber when the percentage elongation of core under the effect of extraneous tension stress, and causing carbon fiber core when fracture, the performance efficient of the intensity of glass fibre only has nearly 1/2 left and right.If it is close to improve elongation at break and the glass fibre of carbon fiber layer, can give full play to the strength character of glass fibre.The high elongation rate cable core increases the toughness of composite material cable core because carbon fiber adopts braiding structure, more is conducive to construction and the application of cable.
Abroad once had by plying and twisting, improved the technology of the percentage elongation of carbon fiber structural.The method is simple, but restriction to some extent, the too high twist causes the mutual shearing of carbon fiber when stretching, and causes the loss of fibre strength.
Summary of the invention
The purpose of this invention is to provide carbon fiber composite material cable core material structure and manufacture method thereof with high elongation rate, by changing the structure of carbon fiber composite material cable core, improve its percentage elongation, thereby can give full play to the performance of various materials in core, and the toughness of raising cable core, thereby improve its performance in laying and using.
In order to achieve the above object, the invention provides a kind of multilayer carbon fiber composite material cable core material structure, it is characterized in that, comprise at least the 2D weaving carbon fiber layer in fiberglass insulation and fiberglass insulation.
Preferably, described 2D weaving carbon fiber layer adopts rope structure, and described rope structure is made of axial yarn and knitting yarn, and axial yarn adopts aramid fiber, and knitting yarn adopts carbon fiber.
More preferably, described 2D weaving carbon fiber layer inboard is provided with high-strength glass fibre or aramid fiber layer, thereby forms three-decker.
Preferably, described 2D weaving carbon fiber layer also can adopt rope woollen yarn knitting structure.
The present invention also provides the manufacture method of above-mentioned carbon fiber composite material cable core material structure, it is characterized in that, concrete steps are: by 2D braiding machine braiding 2D weaving carbon fiber layer, to together enter preforming mould from the outside that the lower next glass fibre of glass creel is coated on 2D weaving carbon fiber layer, epoxy resin is pressed into preforming mould from the resin charging pump, fiber compound structure after dipping is successively by being heated into pattern and rear curing oven, pulled out by pulling equipment, be wound on the core frame, form the carbon fiber composite material cable core material structure.
Preferably, before braiding 2D weaving carbon fiber layer, high-strength glass fibre or aramid fiber enter the glue groove by feed roller from creel, through dip roll, soak with epoxy resin, then by spreading roller, enter the centre bore of 2D braiding machine, when braiding 2D weaving carbon fiber layer, the carbon fiber on the 2D braiding machine is coated on the high-strength glass fibre or aramid fiber of preimpregnation by braiding.
The present invention's fiber used comprises alkali-free glass fibre, high-strength glass fibre, aramid fiber and carbon fiber.Resin used is polyfunctional epoxy resin.2D weaving carbon fiber layer of the present invention passes through the fiber number to carbon fiber, radical, angle of weave and mode etc., the percentage elongation of adjusting carbon fiber layer; It can be rope structure.Can as shown in Figure 2, adopt axial yarn to strengthen, or as shown in Figure 3, strengthen without axial yarn as required.By the 2D braiding machine, carbon fiber is coated on core material; Also can be rope woollen yarn knitting structure, adopt rope volume mode to realize the merging of threads, no longer need inner fiber this moment.
Compare with existing ACCC technology, the present invention has kept the advantages such as the original high current-carrying capacity of ACCC cable, elevated operating temperature, anticorrosive, lightweight, the high and low sag of intensity, low-loss.But improved its percentage elongation, usually the ACCC core two-layerly is made of inside and outside, and internal layer is carbon fibre composite, and skin is glass fiber compound material.Wherein carbon fiber has high strength, and the characteristic of high rigidity and low elongation play the effect of bearing member, and glass fiber compound material can not be given full play to its mechanical property due to its low rigidity and high elongation rate, mainly plays the effect of insulating barrier in core.More due to the low elongation of carbon fiber, make cable core become fragile material, in the laying of cable and using, frequently can generating material the destruction at interface, even fracture.High elongation rate composite material cable core material of the present invention can be given full play to the mechanical property of each fiber in core, improves the bearing capacity of composite core.And the toughness of core is increased, more be conducive to construction and the use of cable.
The present invention is applicable to the manufacturing of the carbon fiber glass fiber compound material core of high-tension cable.Also be applicable to any fibrous high elongation rate composite material load-carrying structure by two or more different percentage elongations, the reinforced composite that strengthens as being used for architectural concrete, the composite material drag-line of bridge and submarine fiber cable bearing member etc.
Description of drawings
Fig. 1 is carbon fiber composite material cable core material structure schematic diagram;
Fig. 2 is the 2D weaving carbon fiber layer schematic diagram of rope structure;
Fig. 3 is the weaving carbon fiber layer schematic diagram without axial yarn; θ is braiding angle, and d is yarn width.
Fig. 4 is the manufacturing equipment figure of carbon fiber composite material cable core material structure.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
Embodiment 1
As shown in Figure 1, a kind of carbon fiber composite material cable core material structure is comprised of aramid fiber layer 16,2D weaving carbon fiber layer 17 and fiberglass insulation 18.Fiberglass insulation 18 inboards are provided with 2D weaving carbon fiber layer 17.2D weaving carbon fiber layer 17 inboard are provided with aramid fiber layer 16.
As shown in Figure 2, described 2D weaving carbon fiber layer 17 adopts rope structures, and described rope structure is by axial yarn 14 and be located at axial yarn 14 outer knitting yarns 15 and consist of, and axial yarn 14 adopts aramid fibers, and knitting yarn 15 adopts carbon fibers.
Its manufacture method is:
(1) specifications of raw materials: the technical specification of fiber sees Table 1.The formula of resin sees Table 2.
Table 1
Table 2
| Material | Epoxy resin | Curing agent | Promoter | Release agent | Filler mixture |
| The trade mark | XB9721 | LPY1005 | DY070 | LPY1006 | LPY1007 |
| Ratio | 100 | 128 | 3 | 4 | 26 |
| Supplier | HUNTSMAN | HUNTSMAN | HUNTSMAN | HUNTSMAN | HUNTSMAN |
(2) equipment and technique
1) as shown in Figure 4, aramid fiber is loaded on creel 1, and creel is for moving back formula outward, and band friction-type tension force is controlled, and this place is with 26 ingot aramid yarns.Aramid yarn enters glue groove 3 by feed roller 2, and glue groove 3 can be heated, and this place temperature is controlled at 40 ℃.Feed roller 2 is a pair of, and top roll is the mould steel manufacturing, and bag is with rubber.Lower roll is the stainless steel manufacturing.Resin formula sees Table 2.After aramid fiber passes through dip roll 4 epoxy resin-impregnated, then by spreading roller 5, enter the centre bore of 2D braiding machine 6.
2) 2D braiding machine 6 is horizontal, is with 64 to take the yarn device, and upper dress carbon fiber yarn, carbon fiber yarn are coated on by braiding on the aramid fiber of preimpregnation, and carbon fiber yarn adopts bag yarn rope structure, and braiding angle ψ is 20 °.
3) this moment, glass fiber yarn got off from glass creel 7, was coated on the skin of carbon fiber by collection yarn device 8.Glass creel 7 moves back formula in being, each of left and right, and this test is with totally 24, glass fibre.Glass fibre and carbon fiber, aramid fiber enter preforming mould 8 simultaneously.
4) preforming mould mould temperature is 50 ℃, outlet aperture 10mm., and the epoxy resin for preparing enters preforming mould 8 from resin charging pump 9.Fiber rod after dipping enters successively and is heated into pattern 10 and rear curing oven 11.
5) the long 900mm of thermoforming mould 10, Fen San district's heating, this place is respectively 200 ℃, 210 ℃ and 190 ℃.The long 1000mm of rear curing oven 11,220 ℃ of temperature.
6) core after curing is pulled out by pulling equipment 12, is wound on core frame 13, forms the carbon fiber composite material cable core material structure.This place pulling equipment is crawler type, tractive effort 100KN, hauling speed 0.7mm/min.The core frame is hoist type, core dish diameter 60cm.
(3) product properties
The prepared properties of product of this technique see Table 3.
Claims (6)
1. a multilayer carbon fiber composite material cable core material structure, is characterized in that, comprises at least the 2D weaving carbon fiber layer (17) in fiberglass insulation (18) and fiberglass insulation (18).
2. multilayer carbon fiber composite material cable core material structure as claimed in claim 1, it is characterized in that, described 2D weaving carbon fiber layer (17) adopts rope structure, described rope structure is made of axial yarn (14) and knitting yarn (15), axial yarn (14) adopts aramid fiber, and knitting yarn (15) adopts carbon fiber.
3. multilayer carbon fiber composite material cable core material structure as claimed in claim 2, is characterized in that, described 2D weaving carbon fiber layer (17) inboard is provided with high-strength glass fibre or aramid fiber layer, thereby form three-decker (16).
4. multilayer carbon fiber composite material cable core material structure as claimed in claim 1, is characterized in that, described 2D weaving carbon fiber layer (17) adopts rope woollen yarn knitting structure.
5. the manufacture method of multilayer carbon fiber composite material cable core material structure claimed in claim 1, it is characterized in that, concrete steps are: by 2D braiding machine (6) braiding 2D weaving carbon fiber layer (17), the outside that will be coated on from the glass fibre that get off glass creel (7) 2D weaving carbon fiber layer (17) together enters preforming mould (8), epoxy resin enters preforming mould (8) from resin charging pump (9), fiber rod after dipping is successively by being heated into pattern (10) and rear curing oven (11), pulled out by pulling equipment (12), be wound on core frame (13), form the carbon fiber composite material cable core material structure.
6. the manufacture method of multilayer carbon fiber composite material cable core material structure as claimed in claim 5, it is characterized in that, front at braiding 2D weaving carbon fiber layer (17), high-strength glass fibre or aramid fiber enter glue groove (3) from creel (1) by feed roller (2), through dip roll (4), soak with epoxy resin, again by spreading roller (5), enter the centre bore of 2D braiding machine (6), when braiding 2D weaving carbon fiber layer (17), carbon fiber on 2D braiding machine (6) is coated on the high-strength glass fibre or aramid fiber of preimpregnation by braiding.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341986A (en) * | 2013-06-07 | 2013-10-09 | 南通和泰通讯器材有限公司 | Production technology for high-strength FRP reinforced core |
| CN104005513A (en) * | 2014-06-09 | 2014-08-27 | 天津大学 | Carbon fiber reinforced plastics (CFRP) inhaul cable of cable-supported structure |
| CN106782850A (en) * | 2017-03-07 | 2017-05-31 | 河北硅谷化工有限公司 | A kind of aerial condutor carbon fiber composite core bar and its processing method |
| CN109741885A (en) * | 2018-11-30 | 2019-05-10 | 扬州神龙绳业有限公司 | A kind of military ocean inductively real-time Transmission cable production method |
| WO2020151225A1 (en) * | 2019-01-21 | 2020-07-30 | 南京华信藤仓光通信有限公司 | Carbon fiber superlight cable and manufacturing method therefor |
| CN112676498A (en) * | 2020-12-04 | 2021-04-20 | 中国科学院力学研究所 | Processing device for multi-node thermocouple transient heat flow sensor |
| CN114770973A (en) * | 2022-03-15 | 2022-07-22 | 东华大学 | Bending-torsion-resistant composite forming method and production line for multi-edge composite material barrel with long inner ribs |
| CN115493075A (en) * | 2021-06-17 | 2022-12-20 | 本田技研工业株式会社 | High-pressure vessel and method for manufacturing high-pressure vessel |
| CN115493075B (en) * | 2021-06-17 | 2024-04-19 | 本田技研工业株式会社 | High-pressure container and method for manufacturing high-pressure container |
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| JP2008130241A (en) * | 2006-11-16 | 2008-06-05 | Du Pont Toray Co Ltd | Conductive high strength cord and its manufacturing method |
| CN102024517A (en) * | 2009-09-15 | 2011-04-20 | 江苏嘉泰科技材料股份公司 | Composite material core used for enhanced cable, preparation process thereof and enhanced cable |
| CN102110491A (en) * | 2009-12-28 | 2011-06-29 | 江苏源盛复合材料技术股份有限公司 | Composite core used for reinforced cable and reinforced cable |
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| JP2008130241A (en) * | 2006-11-16 | 2008-06-05 | Du Pont Toray Co Ltd | Conductive high strength cord and its manufacturing method |
| CN102024517A (en) * | 2009-09-15 | 2011-04-20 | 江苏嘉泰科技材料股份公司 | Composite material core used for enhanced cable, preparation process thereof and enhanced cable |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341986A (en) * | 2013-06-07 | 2013-10-09 | 南通和泰通讯器材有限公司 | Production technology for high-strength FRP reinforced core |
| CN103341986B (en) * | 2013-06-07 | 2015-08-19 | 南通和泰通讯器材有限公司 | High-strength FRP strengthening core production technology |
| CN104005513A (en) * | 2014-06-09 | 2014-08-27 | 天津大学 | Carbon fiber reinforced plastics (CFRP) inhaul cable of cable-supported structure |
| CN106782850A (en) * | 2017-03-07 | 2017-05-31 | 河北硅谷化工有限公司 | A kind of aerial condutor carbon fiber composite core bar and its processing method |
| CN109741885A (en) * | 2018-11-30 | 2019-05-10 | 扬州神龙绳业有限公司 | A kind of military ocean inductively real-time Transmission cable production method |
| WO2020151225A1 (en) * | 2019-01-21 | 2020-07-30 | 南京华信藤仓光通信有限公司 | Carbon fiber superlight cable and manufacturing method therefor |
| CN112676498A (en) * | 2020-12-04 | 2021-04-20 | 中国科学院力学研究所 | Processing device for multi-node thermocouple transient heat flow sensor |
| CN112676498B (en) * | 2020-12-04 | 2021-10-19 | 中国科学院力学研究所 | Processing device for multi-node thermocouple transient heat flow sensor |
| CN115493075A (en) * | 2021-06-17 | 2022-12-20 | 本田技研工业株式会社 | High-pressure vessel and method for manufacturing high-pressure vessel |
| CN115493075B (en) * | 2021-06-17 | 2024-04-19 | 本田技研工业株式会社 | High-pressure container and method for manufacturing high-pressure container |
| CN114770973A (en) * | 2022-03-15 | 2022-07-22 | 东华大学 | Bending-torsion-resistant composite forming method and production line for multi-edge composite material barrel with long inner ribs |
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Application publication date: 20130522 |