CN103779015A - Preparation method of fiber composite rope core applied to transmission overhead cable - Google Patents
Preparation method of fiber composite rope core applied to transmission overhead cable Download PDFInfo
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- CN103779015A CN103779015A CN201410000074.5A CN201410000074A CN103779015A CN 103779015 A CN103779015 A CN 103779015A CN 201410000074 A CN201410000074 A CN 201410000074A CN 103779015 A CN103779015 A CN 103779015A
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Abstract
本发明涉及一种输电架空导线用纤维复合绳芯的制备方法，具体步骤如下：1）单根纤维棒的制备：将处于自由松弛状态的纤维从纤维纱架牵出，经过纤维纱架最右端中部开设的导纱孔进入纤维预热/除湿装置进入预热和除湿，再经过带有预热功能的树脂浸渍槽浸渍，接着进入挤胶模具挤去表面多余的树脂，之后进入成型模具加热固化成型，固化后经过后固化处理装置调整纤维/树脂复合芯的固化度，最后经牵引装置拉伸后收集在卷绕装置上，制成纤维棒；2）纤维复合绳芯成型：将多卷步骤1）中制备的纤维棒从纤维棒用旋转盘上牵出，经过绝缘层纤维用旋转盘包覆绝缘层，包覆好后经过固化装置固化成型，最后收集在绳芯卷绕装置上。
The invention relates to a preparation method of a fiber composite rope core for power transmission overhead wires. The specific steps are as follows: 1) Preparation of a single fiber rod: the fiber in a freely relaxed state is pulled out from the fiber creel, and passes through the rightmost end of the fiber creel The yarn guide hole opened in the middle enters the fiber preheating/dehumidification device to enter the preheating and dehumidification, and then impregnates through the resin impregnation tank with preheating function, and then enters the extrusion mold to squeeze out the excess resin on the surface, and then enters the molding mold for heating and curing Forming, after curing, the curing degree of the fiber/resin composite core is adjusted by the post-curing treatment device, and finally stretched by the traction device and collected on the winding device to make a fiber rod; 2) Fiber composite rope core forming: the multi-volume step The fiber rods prepared in 1) are pulled out from the fiber rod rotating disk, and covered with the insulating layer by the fiber rotating disk through the insulating layer. After coating, they are cured and formed by the curing device, and finally collected on the rope core winding device.
Description
Technical field
The present invention relates to a kind of preparation method of the aerial condutor fiber composite wire rope core of transmitting electricity.
Background technology
Traditional transmission of electricity aerial condutor is take steel core and invar steel core aluminium stranded conductor as main, but these two kinds of aerial condutors have the defect of himself: than great, current loss is large, can there is corona and intermetallic corrosion phenomenon, thermal coefficient of expansion is high, sag is large etc., in order to solve these defects, Japan and American Studies staff development out assorted fibre enhancing polymer matrix composites replace steel core and invar steel core, this makes compound core conducting wire have proportion greatly to reduce, sag is little, the advantages such as current loss is little, but find in use its discontinuity, and effects on surface defect is very responsive, can produce calamitous fracture, there are major safety risks.Therefore in order to improve the various aspects of performance of compound core conducting wire, expand its scope of application, just need to improve composite core, it is the good selection of alternative composite core that assorted fibre strengthens resin-based composite rope core, this wire rope core is to be entwined with the many little fiber rods of diameter, when use, can disperse stressedly, fracture suddenly occurs so can not cause it stressed time, greatly improve the security performance using.
Summary of the invention
The object of the invention is the problem for current power transmission aerial condutor fiber composite wire rope core, a kind of preparation method of the aerial condutor fiber composite wire rope core of transmitting electricity is provided.
For achieving the above object, technical scheme of the present invention is:
A preparation method for fiber composite wire rope core for the aerial condutor of transmitting electricity, technical process comprises preparation and the moulding of fiber composite wire rope core of single fiber rod, concrete steps are as follows:
1) preparation of single fiber rod: the fiber in free relaxed state is involved from fiber creel, the guide eyelit of offering through fiber creel low order end middle part enters fiber preheating/dehydrating unit and enters preheating and dehumidifying, again through the resin impregnation tank dipping with preheat function, then enter plastic squeeze mould and squeeze the resin that goes to surface unnecessary, enter afterwards the mould moulding that is heating and curing, the curing degree of warp fixing the handles device adjustment later fiber/resin composite core after solidifying, after stretching finally by draw-gear, be collected on coiler device, make fiber rod;
2) fiber composite wire rope core moulding: the fiber rod of preparing in multireel step 1) is involved from fiber rod rotating disk, pass through insulating barrier fiber rotating disk coated insulation layer, through overcuring device curing molding, be finally collected on wire rope core coiler device after coated getting well.
Further, the fiber volume fraction of described fiber is 55-70%.
Further, described fiber creel is the creel that does not show tension force.
Further, described fiber preheating/dehydrating unit uses infrared heating.
Further, the dipping tank that described resin impregnation tank is water-bath, it is 30-50 that temperature arranges scope
oc; Hauling speed is 30-120 cm/min.
Further, the diameter of described mould is 1-3 mm, and length is 40-60 cm, two sections of temperature heating is set, gel district 130-150
oc, curing area 165-185
oc, the diameter of described mould is than the little 1mm of the diameter of plastic squeeze mould.
Further, the length of described rear fixing the handles device is 60-100 cm, and temperature setting is set to 150-180
oc, by regulating temperature to adjust the curing degree of fiber/resin composite core, indeformable while making fiber rod be collected on coiler device, and guarantee in step 2) form remains unchanged after curing molding.
Further, described fiber rod is round turntable with rotating disk, and a volume fiber rod is placed at center, the symmetrical 6 volume fiber rods of placing around, and it is 5-15 degree with the angle of axis that control rotary speed makes the per share fiber rod being wound around.
Further, filament, fabric strip or fiber cloth that described insulating barrier fiber is polyurethane with the insulating barrier fiber in rotating disk are wrapped on fiber rod and form insulating barrier after dipping plastic squeeze, are wound around thickness and are not less than 0.1 mm.
Further, described solidification equipment length is 2-5 m, and set temperature is 170-200
oc.
Further, the convoluting speed of described wire rope core coiler device is 30-120 cm/min.
Compared with prior art, the present invention has following outstanding substantive distinguishing features and advantage significantly:
The inventive method is simple, technical process arranges rationally, the composite rope core that the present invention produces has the features such as intensity is large, proportion is little, high temperature resistant, thermal coefficient of expansion is little, good toughness, and production technology has prevented in integral one-step molding process because of a situation that the stifled mould of core causes whole production process to stop wherein.
Accompanying drawing explanation
Fig. 1 is the Preparation equipment composition structural representation of single fiber rod of the present invention.
Fig. 2 is fiber composite wire rope core former composition structural representation of the present invention.
Fig. 3 is composite rope core product structure schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is made to further supplementary notes.
embodiment 1
As shown in Figure 1, 2, a kind of preparation method of the aerial condutor fiber composite wire rope core of transmitting electricity, comprises the following steps:
1) the 12 k T700 carbon fibers (fiber volume fraction approximately 60%) of the eastern beautiful production of 4 bundle in free relaxed state are involved from fiber creel 1, the guide eyelit of offering through fiber creel 1 low order end middle part enters fiber preheating/dehydrating unit 2, and this fiber preheating/dehydrating unit 2 uses infrared heating;
2) fiber enters resin impregnation tank 3 that can water-bath after preheating/dehumidifying, and it is 30 that bath temperature arranges scope
oc; Hauling speed is 50 cm/min;
3) after fiber impregnation, entering plastic squeeze mould 4(diameter is 3 mm) squeeze out part resin, then enter mould 5, and the diameter of mould 5 is 2 mm, length is 50 cm, two sections of temperature heating is set, gel district 135
oc, curing area 175
oc;
4) fiber/resin composite core enters rear solidification equipment 6 after solidifying, and its length is 70 cm, and temperature setting is set to 170
oc;
5) the fiber rod of coiler device 8 being collected is positioned over fiber rod with on rotating disk 9, fiber rod is round turntable with rotating disk 9, a volume fiber rod is placed at center, the symmetrical 6 volume fiber rods of placing around, and it is 10 degree with the angle of axis that control rotary speed makes the per share fiber rod being wound around; After involving, through rotating disk 10 for insulating barrier fiber, insulating barrier fiber is glass fibre, after dipping plastic squeeze, is wrapped on fiber rod and forms insulating barrier, and it is wound around thickness is 0.1 mm;
6) after insulating barrier is coated well, through overcuring device 11, its length is that 3 m are long, and set temperature is 180
oc, to guarantee further fully solidifying of composite core, the product of formation as shown in Figure 3, is collected through wire rope core coiler device 12, and convoluting speed is 70 cm/min.
embodiment 2
As shown in Figure 1, 2, a kind of preparation method of the aerial condutor fiber composite wire rope core of transmitting electricity, comprises the following steps:
1) the 12 k T700 carbon fibers (fiber volume fraction approximately 60%) of the eastern beautiful production of 1 bundle in free relaxed state are involved from fiber creel 1, the guide eyelit of offering through fiber creel 1 low order end middle part enters fiber preheating/dehydrating unit 2, and this fiber preheating/dehydrating unit 2 uses infrared heating;
2) fiber enters resin impregnation tank 3 that can water-bath after preheating/dehumidifying, and it is 30 that bath temperature arranges scope
oc; Hauling speed is 80 cm/min;
3) after fiber impregnation, entering plastic squeeze mould 4(diameter is 2 mm) squeeze out part resin, then enter mould 5, and the diameter of mould 5 is 1 mm, length is 40 cm, two sections of temperature heating is set, gel district 135
oc, curing area 180
oc;
4) fiber/resin composite core enters rear solidification equipment 6 after solidifying, and its length is 60 cm, and temperature setting is set to 160
oc;
5) the fiber rod of coiler device 8 being collected is positioned over fiber rod with on rotating disk 9, fiber rod is round turntable with rotating disk 9, a volume fiber rod is placed at center, the symmetrical 6 volume fiber rods of placing around, and it is 10 degree with the angle of axis that control rotary speed makes the per share fiber rod being wound around; After involving, through rotating disk 10 for insulating barrier fiber, insulating barrier fiber is glass fibre, after dipping plastic squeeze, is wrapped on fiber rod and forms insulating barrier, and it is wound around thickness is 0.1 mm;
6) after insulating barrier is coated well, through overcuring device 11, its length is that 2 m are long, and set temperature is 170
oc, to guarantee further fully solidifying of composite core, the product of formation is collected through wire rope core coiler device 12, and convoluting speed is 90 cm/min.
embodiment 3
As shown in Figure 1, 2, a kind of preparation method of the aerial condutor fiber composite wire rope core of transmitting electricity, comprises the following steps:
1) the 12 k T700 carbon fibers (fiber volume fraction approximately 60%) of the eastern beautiful production of 9 bundle in free relaxed state are involved from fiber creel 1, the guide eyelit of offering through fiber creel 1 low order end middle part enters fiber preheating/dehydrating unit 2, and this fiber preheating/dehydrating unit 2 uses infrared heating;
2) fiber enters resin impregnation tank 3 that can water-bath after preheating/dehumidifying, and it is 30 that bath temperature arranges scope
oc; Hauling speed is 40 cm/min;
3) after fiber impregnation, entering plastic squeeze mould 4(diameter is 4 mm) squeeze out part resin, then enter mould 5, and the diameter of mould 5 is 3 mm, length is 60 cm, two sections of temperature heating is set, gel district 140
oc, curing area 180
oc;
4) fiber/resin composite core enters rear solidification equipment 6 after solidifying, and its length is 80 cm, and temperature setting is set to 180
oc;
5) the fiber rod of coiler device 8 being collected is positioned over fiber rod with on rotating disk 9, fiber rod is round turntable with rotating disk 9, a volume fiber rod is placed at center, the symmetrical 6 volume fiber rods of placing around, and it is 10 degree with the angle of axis that control rotary speed makes the per share fiber rod being wound around; After involving, through rotating disk 10 for insulating barrier fiber, insulating barrier fiber is glass fibre, after dipping plastic squeeze, is wrapped on fiber rod and forms insulating barrier, and it is wound around thickness is 0.2 mm;
6) after insulating barrier is coated well, through overcuring device 11, its length is that 4 m are long, and set temperature is 200
oc, to guarantee further fully solidifying of composite core, the product of formation is collected through wire rope core coiler device 12, and convoluting speed is 50 cm/min.
embodiment 4
The present embodiment is substantially the same manner as Example 1, and difference is, described insulating barrier fiber is polyurethane fiber.
embodiment 5
The present embodiment is substantially the same manner as Example 2, and difference is, described insulating barrier fiber is polyurethane fiber.
embodiment 6
The present embodiment is substantially the same manner as Example 3, and difference is, described insulating barrier fiber is polyurethane fiber.
Claims (11)
1. a preparation method for fiber composite wire rope core for the aerial condutor of transmitting electricity, technical process comprises preparation and the moulding of fiber composite wire rope core of single fiber rod, it is characterized in that, concrete steps are as follows:
1) preparation of single fiber rod: the fiber in free relaxed state is involved from fiber creel (1), the guide eyelit of offering through fiber creel (1) low order end middle part enters fiber preheating/dehydrating unit (2) and enters preheating and dehumidifying, pass through again resin impregnation tank (3) dipping with preheat function, then enter plastic squeeze mould (4) and squeeze the resin that goes to surface unnecessary, enter afterwards mould (5) moulding that is heating and curing, the curing degree of warp fixing the handles device (6) adjustment later fiber/resin composite core after solidifying, after stretching finally by draw-gear (7), be collected on coiler device (8), make fiber rod,
2) fiber composite wire rope core moulding: the fiber rod of preparing in multireel step 1) is involved with rotating disk (9) from fiber rod, process insulating barrier rotating disk (10) coated insulation layer for fiber, after being coated well, through overcuring device (11) curing molding, be finally collected on wire rope core coiler device (12).
2. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: the fiber volume fraction of described fiber is 55-70%.
3. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: described fiber creel (1) is not for showing the creel of tension force.
4. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: described fiber preheating/dehydrating unit (2) uses infrared heating.
5. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: described resin impregnation tank (3) is the dipping tank of water-bath, and it is 30-50 that temperature arranges scope
oc; Hauling speed is 30-120 cm/min.
6. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: the diameter of described mould (5) is 1-3 mm, and length is 40-60 cm, two sections of temperature heating is set, gel district 130-150
oc, curing area 165-185
oc, the diameter of described mould (5) is than the little 1mm of diameter of plastic squeeze mould (4).
7. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: the length of described rear fixing the handles device (6) is 60-100 cm, and temperature setting is set to 150-180
oc, by regulating temperature to adjust the curing degree of fiber/resin composite core, made fiber rod be collected in coiler device (8) indeformable when upper, and guarantees in step 2) form remains unchanged after curing molding.
8. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, it is characterized in that: described fiber rod rotating disk (9) is round turntable, a volume fiber rod is placed at center, the symmetrical 6 volume fiber rods of placing around, it is 5-15 degree with the angle of axis that control rotary speed makes the per share fiber rod being wound around.
9. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, it is characterized in that: described insulating barrier filament, fabric strip or fiber cloth that for fiber, the insulating barrier fiber in rotating disk (10) is polyurethane, after dipping plastic squeeze, be wrapped on fiber rod and form insulating barrier, be wound around thickness and be not less than 0.1 mm.
10. the preparation method of fiber composite wire rope core for transmission of electricity aerial condutor according to claim 1, is characterized in that: described solidification equipment (11) length is 2-5 m, and set temperature is 170-200
oc.
The preparation method of fiber composite wire rope core for 11. transmission of electricity aerial condutors according to claim 1, is characterized in that: the convoluting speed of described wire rope core coiler device (12) is 30-120 cm/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410000074.5A CN103779015A (en) | 2014-01-02 | 2014-01-02 | Preparation method of fiber composite rope core applied to transmission overhead cable |
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|---|---|---|---|
| CN201410000074.5A CN103779015A (en) | 2014-01-02 | 2014-01-02 | Preparation method of fiber composite rope core applied to transmission overhead cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379118A (en) * | 2021-12-31 | 2022-04-22 | 陕西斯福特电力科技有限公司 | Suspender and production process thereof |
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| CA2637583A1 (en) * | 2007-07-17 | 2009-01-17 | Nexans | Superconductive electrical cable |
| KR20100094691A (en) * | 2009-02-19 | 2010-08-27 | 엘에스전선 주식회사 | Apparatus and method for repairing inferior of electric power cable |
| CN101949094A (en) * | 2010-07-12 | 2011-01-19 | 蓝星(北京)化工机械有限公司 | Ultrasonic gum dipping tank, equipment and method for manufacturing composite core wire with large-tow carbon fibers |
| 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 |
| CN201918215U (en) * | 2011-01-27 | 2011-08-03 | 南京诺尔泰复合材料设备制造有限公司 | Carbon fiber composite stranded wire strengthened-core cable for power transmission line |
| CN103198902A (en) * | 2013-04-08 | 2013-07-10 | 远东电缆有限公司 | Stranding-type compound core and manufacturing method of same |
-
2014
- 2014-01-02 CN CN201410000074.5A patent/CN103779015A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2637583A1 (en) * | 2007-07-17 | 2009-01-17 | Nexans | Superconductive electrical cable |
| KR20100094691A (en) * | 2009-02-19 | 2010-08-27 | 엘에스전선 주식회사 | Apparatus and method for repairing inferior of electric power cable |
| CN101949094A (en) * | 2010-07-12 | 2011-01-19 | 蓝星(北京)化工机械有限公司 | Ultrasonic gum dipping tank, equipment and method for manufacturing composite core wire with large-tow carbon fibers |
| 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 |
| CN201918215U (en) * | 2011-01-27 | 2011-08-03 | 南京诺尔泰复合材料设备制造有限公司 | Carbon fiber composite stranded wire strengthened-core cable for power transmission line |
| CN103198902A (en) * | 2013-04-08 | 2013-07-10 | 远东电缆有限公司 | Stranding-type compound core and manufacturing method of same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379118A (en) * | 2021-12-31 | 2022-04-22 | 陕西斯福特电力科技有限公司 | Suspender and production process thereof |
| CN114379118B (en) * | 2021-12-31 | 2024-04-19 | 陕西斯福特电力科技有限公司 | Boom and production process thereof |
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