CN104700960A - Production process of cable for high-speed train - Google Patents
Production process of cable for high-speed train Download PDFInfo
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- CN104700960A CN104700960A CN201510053158.XA CN201510053158A CN104700960A CN 104700960 A CN104700960 A CN 104700960A CN 201510053158 A CN201510053158 A CN 201510053158A CN 104700960 A CN104700960 A CN 104700960A
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Abstract
The invention discloses a production process of a cable for a high-speed train. The process comprises the steps of preparing a cable core; wrapping the cable core; wrapping an isolation layer; arranging a tensile rope; wrapping an insulating layer; modifying the insulating layer. According to the cable produced by the production process for the high-speed train, the production process is simple and easily controlled, the requirements on the production is obviously less than those of the requirements on traditional production of the cable for the high-speed train, production-related parameters can be accurately and easily mastered, and therefore, the production automation and the product quality inspection accuracy can be improved; meanwhile, the conductive cable core is of a tight structure, and the structure strength and toughness are obviously superior to those of the traditional cable for the highs-speed train, so that the tension resistance, impact resistance and vibration resistance of the cable can be greatly improved; in addition, the external isolating performance, high temperature resistance, corrosion resistance and flame retardant performance are improved; the external complex electromagnetic interference resistance of the cable is effectively improved, thus the protection capacity of the cable can be improved, and as a result, the safety and stability of the cable in operation can be improved.
Description
Technical field
The present invention relates to a kind of technical field of cable production, especially a kind of production technology of bullet train cable.
Background technology
At present along with the repeatedly speed-raising of track traffic, the track traffics such as train have also been obtained great increase according to the speed of service, the speed of current train can reach 300-500 kilometers per hour, although such speed can improve the operational efficiency of track traffic greatly, facilitate freight transportation and people's go off daily, but also new requirement is proposed to train cable simultaneously, because train running speed improves constantly, when train running, all kinds of impulsive forces that train cable receives, irregular oscillation exchange power, operating temperature, the situations such as foreign object corrodes and self structure is aging also increase thereupon, and along with impulsive force, vibration force, the increase of the conditions such as operating temperature, at least cable running environment is more severe, very easily cause cable insulation to lose efficacy, the even phenomenon such as initiation fire that ruptures occurs, therefore traditional cable effectively can not adapt to the needs of train high-speed cruising, and in order to tackle this present situation, current common way improves traditional cable manufacturing process, the wooden point improving cable performance is reached by increasing the modes such as cable insulation layer thickness, but find in practical application, this way improves cable production cost on the one hand, add the quality of production and control difficulty, cable performance room for promotion is also very limited on the other hand, effectively can not meet the actual needs used, for this present situation, in the urgent need to developing a kind of production technology of new bullet train cable, with the needs that satisfied reality uses.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of production technology of the bullet train cable be widely used in bullet train electric equipment.
To achieve these goals, the present invention realizes by the following technical solutions:
A production technology for bullet train cable, comprises the steps:
The first step: prepare core, many diameters and the identical zinc-plated thin copper wire of resistivity are carried out layering, in the same way and carry out repeatedly being strandedly compiled into an independent core, the wherein layering number of plies is not less than 3 layers, and stranded establishment number of times is that the stranded number of times of every 5 centimetre length is not less than 5 times;
Second step: coated core, the core outer surface sintering after preparation is shaping is wound around FWCR coating, and at FWCR coating outer surface coated at least one deck aramid yarn coating layer, and aramid yarn coating thickness is 0.5-2 millimeters;
3rd step: coated separator, along core distribution arrangement, be wound around at least two layers polyester film strip at aramid yarn coating layer outer surface, wherein polyester film belt winding direction and core axis are 15 ° of-75 ° of angles, and two adjacent mylar tape winding directions are 45 ° of-90 ° of angles;
4th step: arrange tension rope, arranges tension rope outside separator, wherein at least two, tension rope, and is distributed on mylar tape separator outer surface around core axis;
5th step: coated insulation layer, adopt co-extrusion method, carry out inner insulation layer and the coated operation of outer insulation to mylar tape separator outer surface, wherein primary insulation layer main body base material is crosslinked polyethylene, and outer layer insulation layer main body base material is crosslinked oil-resistant low-smoke halogen-free flame-retardant polyolefin;
6th step: insulating barrier modification, carries out crosslinked irradiation to the insulating barrier being coated on core outer surface, carries out modification to inner insulation layer and outer insulation, then treats that the insulating barrier through crosslinked radiation treatment naturally cools to normal temperature.
Further, described FWCR coating comprises corona-resistant polyimide layer and full PFEP glue, wherein full PFEP glue is coated on corona polyimide layer outer surface, wherein corona polyimides layer thickness is 0.02-0.05 millimeter, and full PFEP glue gross thickness is 0.01-0.1 millimeter.
Further, the tension rope in the 4th step is nylon fiber rope.
In further 5th step, inner insulation layer and outer insulation component and mass percent are respectively:
Wherein inner insulation layer comprises: polymeric plasticizer 10%-30%, antioxidant 1%-3%, fire retardant 0.5%-2%, sensitizer 5%-40%, sensitizer 0.1%-1%, ceramic particle 1%-5%, surplus are crosslinkable polyethylene;
Wherein outer insulation comprises: polymeric plasticizer 10%-30%, antioxidant 1%-5%, fire retardant 0.5%-2%, sensitizer 5%-40%, sensitizer 0.1%-1%, ceramic particle 1%-5%, colouring agent 4%-15%, surplus are crosslinkable oil-resistant low-smoke halogen-free flame-retardant polyolefin.
Beneficial effect of the present invention:
1, production technology technique is simple and easy to grasp, and working condition is required that comparatively the production requirement of conventional high rate cable for train significantly reduces, thus while guaranteeing product quality, greatly reduce production cost on the one hand, also contribute to enhancing productivity on the other hand, simultaneously, in production, each process procedure connects closely, and it is accurate to produce relevant parameter, easy grasp, thus be beneficial to the automation and testing accuracy of improving the quality of products that improve production process, contribute to improving production production efficiency and product quality further, and reduce production cost and labour intensity,
2, the cable of this explained hereafter is adopted, conductive wire core structure is tight, structural strength and toughness properties comparatively conventional high rate cable for train are significantly increased, thus greatly improve the tension of cable, shock resistance and shock resistance, thus improve cable self-operating stability, and contribute to extending cable useful life.
3, the cable of this explained hereafter is adopted, separately there is good external isolation performance, and high temperature resistant, corrosion-resistant and fire resistance, effectively can improve cable to external complex electromagnetic interference resistivity, and greatly improve high temperature resistant, the decay resistance of cable self, the high temperature because producing when running and from external contaminants is avoided to damage cable insulation, improve the protective capacities of cable self, contribute to the fail safe and the stability that improve cable operation, and contribute to the useful life extending cable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Embodiment 1:
According to Fig. 1, a kind of production technology of bullet train cable, comprises the steps:
Many diameters and the identical zinc-plated thin copper wire 1 of resistivity are carried out layering, in the same way and carry out repeatedly being strandedly compiled into an independent core, the wherein layering number of plies are 5 layers, and stranded establishment number of times is the stranded number of times of every 5 centimetre length is 6 by the first step: prepare core;
Second step: coated core, core outer surface sintering after preparation is shaping is wound around FWCR coating 2, and at FWCR coating 2 outer surface coated at least one deck aramid yarn bag 3 coating, and aramid yarn 3 coating thickness is 2 millimeters, wherein FWCR coating comprises corona-resistant polyimide layer 21 and full PFEP glue 22, wherein full PFEP glue 22 is coated on corona polyimide layer 21 outer surface, wherein corona polyimide layer 21 thickness is 0.02 millimeter, and full PFEP glue 22 gross thickness is 0.05 millimeter;
3rd step: coated separator, along core distribution arrangement, be wound around at least two layers polyester film strip 4 at aramid yarn 3 coating layer outer surface, wherein mylar tape 4 winding direction and core axis are 30 ° of angles, and two adjacent mylar tape 4 winding directions are 90 ° of angles;
4th step: arrange tension rope, arranges nylon fiber tension rope 5 outside separator, wherein 5 two, nylon fiber tension rope, and is distributed on mylar tape 4 separator outer surface around core axis;
5th step: coated insulation layer, adopt co-extrusion method, inner insulation layer 6 and the coated operation of outer insulation 7 are carried out to mylar tape 4 separator outer surface, wherein inner insulation layer 6 main body base material is crosslinked polyethylene, outer insulation 7 main body base material is crosslinked oil-resistant low-smoke halogen-free flame-retardant polyolefin, and wherein inner insulation layer and outer insulation component and mass percent are respectively:
Inner insulation layer comprises: polymeric plasticizer 20%, antioxidant 1.5%, fire retardant 1%, sensitizer 20%, sensitizer 0.5%, ceramic particle 3%, surplus are crosslinkable polyethylene;
Outer insulation comprises: polymeric plasticizer 25%, antioxidant 3%, fire retardant 2%, sensitizer 30%, sensitizer 1%, ceramic particle 2%, colouring agent 8%, surplus are crosslinkable oil-resistant low-smoke halogen-free flame-retardant polyolefin;
6th step: insulating barrier modification, carries out crosslinked irradiation to the insulating barrier being coated on core outer surface, carries out modification, then treat that the insulating barrier through crosslinked radiation treatment naturally cools to normal temperature to inner insulation layer 6 and outer insulation 7.
Beneficial effect of the present invention is as follows: 1, production technology technique is simple and easy to grasp, and working condition is required that comparatively the production requirement of conventional high rate cable for train significantly reduces, thus while guaranteeing product quality, greatly reduce production cost on the one hand, also contribute to enhancing productivity on the other hand, simultaneously, in production, each process procedure connects closely, and it is accurate to produce relevant parameter, easy grasp, thus be beneficial to the automation and testing accuracy of improving the quality of products that improve production process, contribute to improving production production efficiency and product quality further, and reduce production cost and labour intensity,
2, the cable of this explained hereafter is adopted, conductive wire core structure is tight, structural strength and toughness properties comparatively conventional high rate cable for train are significantly increased, thus greatly improve the tension of cable, shock resistance and shock resistance, thus improve cable self-operating stability, and contribute to extending cable useful life.
3, the cable of this explained hereafter is adopted, separately there is good external isolation performance, and high temperature resistant, corrosion-resistant and fire resistance, effectively can improve cable to external complex electromagnetic interference resistivity, and greatly improve high temperature resistant, the decay resistance of cable self, the high temperature because producing when running and from external contaminants is avoided to damage cable insulation, improve the protective capacities of cable self, contribute to the fail safe and the stability that improve cable operation, and contribute to the useful life extending cable.
Embodiment 2:
According to Fig. 1, a kind of production technology of bullet train cable, comprises the steps:
Many diameters and the identical zinc-plated thin copper wire 1 of resistivity are carried out layering, in the same way and carry out repeatedly being strandedly compiled into an independent core, the wherein layering number of plies are 6 layers, and stranded establishment number of times is the stranded number of times of every 5 centimetre length is 10 by the first step: prepare core;
Second step: coated core, core outer surface sintering after preparation is shaping is wound around FWCR coating 2, and at FWCR coating 2 outer surface coated at least one deck aramid yarn bag 3 coating, and aramid yarn 3 coating thickness is 1 millimeter, wherein FWCR coating comprises corona-resistant polyimide layer 21 and full PFEP glue 22, wherein full PFEP glue 22 is coated on corona polyimide layer 21 outer surface, wherein corona polyimide layer 21 thickness is 0.03 millimeter, and full PFEP glue 22 gross thickness is 0.1 millimeter;
3rd step: coated separator, along core distribution arrangement, be wound around at least two layers polyester film strip 4 at aramid yarn 3 coating layer outer surface, wherein mylar tape 4 winding direction and core axis are 45 ° of angles, and two adjacent mylar tape 4 winding directions are 60 ° of angles;
4th step: arrange tension rope, arranges nylon fiber tension rope 5 outside separator, wherein 5 two, nylon fiber tension rope, and is distributed on mylar tape 4 separator outer surface around core axis;
5th step: coated insulation layer, adopt co-extrusion method, inner insulation layer 6 and the coated operation of outer insulation 7 are carried out to mylar tape 4 separator outer surface, wherein inner insulation layer 6 main body base material is crosslinked polyethylene, outer insulation 7 main body base material is crosslinked oil-resistant low-smoke halogen-free flame-retardant polyolefin, and wherein inner insulation layer and outer insulation component and mass percent are respectively:
Inner insulation layer comprises: polymeric plasticizer 15%, antioxidant 2%, fire retardant 1.5%, sensitizer 25%, sensitizer 0.7%, ceramic particle 4%, surplus are crosslinkable polyethylene;
Outer insulation comprises: polymeric plasticizer 30%, antioxidant 5%, fire retardant 1%, sensitizer 25%, sensitizer 0.5%, ceramic particle 5%, colouring agent 10%, surplus are crosslinkable oil-resistant low-smoke halogen-free flame-retardant polyolefin;
6th step: insulating barrier modification, carries out crosslinked irradiation to the insulating barrier being coated on core outer surface, carries out modification, then treat that the insulating barrier through crosslinked radiation treatment naturally cools to normal temperature to inner insulation layer 6 and outer insulation 7.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1. a production technology for bullet train cable, is characterized in that: specifically comprise following several step:
The first step: prepare core, many diameters and the identical zinc-plated thin copper wire of resistivity are carried out layering, in the same way and carry out repeatedly being strandedly compiled into an independent core, the wherein layering number of plies is not less than 3 layers, and stranded establishment number of times is that the stranded number of times of every 5 centimetre length is not less than 5 times;
Second step: coated core, the core outer surface sintering after preparation is shaping is wound around FWCR coating, and at FWCR coating outer surface coated at least one deck aramid yarn coating layer, and aramid yarn coating thickness is 0.5-2 millimeters;
3rd step: coated separator, along core distribution arrangement, be wound around at least two layers polyester film strip at aramid yarn coating layer outer surface, wherein polyester film belt winding direction and core axis are 15 ° of-75 ° of angles, and two adjacent mylar tape winding directions are 45 ° of-90 ° of angles;
4th step: arrange tension rope, arranges tension rope outside separator, wherein at least two, tension rope, and is distributed on mylar tape separator outer surface around core axis;
5th step: coated insulation layer, adopt co-extrusion method, carry out inner insulation layer and the coated operation of outer insulation to mylar tape separator outer surface, wherein primary insulation layer main body base material is crosslinked polyethylene, and outer layer insulation layer main body base material is crosslinked oil-resistant low-smoke halogen-free flame-retardant polyolefin;
6th step: insulating barrier modification, carries out crosslinked irradiation to the insulating barrier being coated on core outer surface, carries out modification to inner insulation layer and outer insulation, then treats that the insulating barrier through crosslinked radiation treatment naturally cools to normal temperature.
2. the production technology of bullet train cable according to claim 1, it is characterized in that: described FWCR coating comprises corona-resistant polyimide layer and full PFEP glue, wherein full PFEP glue is coated on corona polyimide layer outer surface, wherein corona polyimides layer thickness is 0.02-0.05 millimeter, and full PFEP glue gross thickness is 0.01-0.1 millimeter.
3. the production technology of bullet train cable according to claim 1, is characterized in that: the tension rope in the 4th step is nylon fiber rope.
4. the production technology of bullet train cable according to claim 1, is characterized in that: in the 5th step, inner insulation layer and outer insulation component and mass percent are respectively:
Described inner insulation layer comprises: polymeric plasticizer 10%-30%, antioxidant 1%-3%, fire retardant 0.5%-2%, sensitizer 5%-40%, sensitizer 0.1%-1%, ceramic particle 1%-5%, surplus are crosslinkable polyethylene;
Described outer insulation comprises: polymeric plasticizer 10%-30%, antioxidant 1%-5%, fire retardant 0.5%-2%, sensitizer 5%-40%, sensitizer 0.1%-1%, ceramic particle 1%-5%, colouring agent 4%-15%, surplus are crosslinkable oil-resistant low-smoke halogen-free flame-retardant polyolefin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510053158.XA CN104700960B (en) | 2015-02-02 | 2015-02-02 | A kind of production technology of bullet train cable |
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| CN201510053158.XA CN104700960B (en) | 2015-02-02 | 2015-02-02 | A kind of production technology of bullet train cable |
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| CN104700960B CN104700960B (en) | 2017-12-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448925A (en) * | 2016-10-26 | 2017-02-22 | 国家电网公司 | SPP water-tolerant winding wire manufacturing technique |
| CN108254845A (en) * | 2018-04-13 | 2018-07-06 | 深圳市特发信息股份有限公司 | A kind of microbeam pipe optical fiber cable for field operation |
| CN110261743A (en) * | 2019-06-24 | 2019-09-20 | 广东电网有限责任公司 | A kind of cable degradation detecting device |
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| EP0644556A2 (en) * | 1993-04-06 | 1995-03-22 | Sumitomo Wiring Systems, Ltd. | Winding-type high-voltage resistant, resistive cord for preventing noises |
| CN101847467A (en) * | 2010-04-28 | 2010-09-29 | 常州市新东方电缆有限公司 | Manufacture method of ultrathin compound thin-wall insulated cable for high-speed trains |
| CN102354555A (en) * | 2011-09-25 | 2012-02-15 | 江苏迅达电磁线有限公司 | Waterproof and high-frequency-resistant film sintered copper flat wire |
| CN103077783A (en) * | 2013-01-28 | 2013-05-01 | 常州市新东方电缆有限公司 | Production process of cable for high-speed train |
| CN104183305A (en) * | 2014-08-26 | 2014-12-03 | 山东华凌电缆有限公司 | Electric wire and cable for high-speed train and production method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0644556A2 (en) * | 1993-04-06 | 1995-03-22 | Sumitomo Wiring Systems, Ltd. | Winding-type high-voltage resistant, resistive cord for preventing noises |
| CN101847467A (en) * | 2010-04-28 | 2010-09-29 | 常州市新东方电缆有限公司 | Manufacture method of ultrathin compound thin-wall insulated cable for high-speed trains |
| CN102354555A (en) * | 2011-09-25 | 2012-02-15 | 江苏迅达电磁线有限公司 | Waterproof and high-frequency-resistant film sintered copper flat wire |
| CN103077783A (en) * | 2013-01-28 | 2013-05-01 | 常州市新东方电缆有限公司 | Production process of cable for high-speed train |
| CN104183305A (en) * | 2014-08-26 | 2014-12-03 | 山东华凌电缆有限公司 | Electric wire and cable for high-speed train and production method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448925A (en) * | 2016-10-26 | 2017-02-22 | 国家电网公司 | SPP water-tolerant winding wire manufacturing technique |
| CN108254845A (en) * | 2018-04-13 | 2018-07-06 | 深圳市特发信息股份有限公司 | A kind of microbeam pipe optical fiber cable for field operation |
| CN108254845B (en) * | 2018-04-13 | 2023-09-26 | 深圳市特发信息股份有限公司 | Microbeam tube field operation optical cable |
| CN110261743A (en) * | 2019-06-24 | 2019-09-20 | 广东电网有限责任公司 | A kind of cable degradation detecting device |
| CN110261743B (en) * | 2019-06-24 | 2021-05-11 | 广东电网有限责任公司 | Cable aging detection device |
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| CN104700960B (en) | 2017-12-22 |
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Address after: 050000 Zhang Shizi Zhuang, Jinzhou City, Shijiazhuang City, Hebei Province Patentee after: Ruiguang Cable Co.,Ltd. Address before: 050000 Zhang Shizi Zhuang, Jinzhou City, Shijiazhuang City, Hebei Province Patentee before: HEBEI RUIGUANG CABLE CO.,LTD. |
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