CN104700960B - A kind of production technology of bullet train cable - Google Patents
A kind of production technology of bullet train cable Download PDFInfo
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- CN104700960B CN104700960B CN201510053158.XA CN201510053158A CN104700960B CN 104700960 B CN104700960 B CN 104700960B CN 201510053158 A CN201510053158 A CN 201510053158A CN 104700960 B CN104700960 B CN 104700960B
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Abstract
The invention discloses a kind of production technology of bullet train cable, including prepare six steps such as core, cladding core, cladding separation layer, setting tension rope, coated insulation layer and insulating barrier modification.This bullet train produced using invention production technology is had with cable, production technology technique is simply easily grasped, working condition requirement is significantly reduced compared with conventional high rate cable for train production requirement, production relevant parameter is accurately easily grasped, so as to beneficial to the automation and raising product quality inspection accuracy improved to production process, conductive wire core structure is close simultaneously, structural strength and toughness properties are significantly increased compared with conventional high rate cable for train, so as to greatly improve the tension of cable, shock resistance and shock resistance, it is another that there is good external isolation performance, and high temperature resistant, corrosion-resistant and fire resistance, cable can be effectively improved to external complex electromagnetic interference resistivity, improve the protective capacities of cable itself, it is favorably improved the security and stability of cable operation.
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
The track traffic such as multiple speed-raising, train now with track traffic has also obtained great increasing according to the speed of service
Add, the speed of train can reach 300-500 kilometers per hour at present, although such speed can be improved greatly
The operational efficiency of track traffic, facilitate cargo transport and people's go off daily, but also train cable is proposed simultaneously new
It is all kinds of impulsive forces that train cable receives, irregular in train running it is required that because train running speed improves constantly
Situations such as oscillation exchange power, running temperature, foreign object erosion and self structure aging, is consequently increased, and with impulsive force, vibration
The increase of the conditions such as power, running temperature, at least cable running environment is more severe, easily triggers cable insulation failure, fracture very
To occurring phenomena such as triggering fire, therefore traditional cable can not effectively adapt to the needs of train high-speed cruising, and in order to
This present situation is tackled, current common practice is that traditional cable manufacturing process is improved, by increasing cable insulation
The modes such as thickness improve the wooden point of cable performance to reach, but are found in practical application, on the one hand this way improves cable
Production cost, adds quality of production control difficulty, and another aspect cable performance room for promotion is also extremely limited, it is impossible to effectively full
The needs actually used enough, for this present situation, there is an urgent need to develop a kind of production technology of new bullet train cable, with
Meet the needs of actual use.
The content of the invention
It is can be widely applied in view of the deficienciess of the prior art, the invention provides one kind in bullet train electrical equipment
Bullet train cable production technology.
To achieve these goals, the present invention is to realize by the following technical solutions：
A kind of production technology of bullet train cable, comprises the following steps：
The first step：Prepare core, more diameters and the tin plating thin copper wire of resistivity identical are layered, in the same direction and carry out
It is repeatedly twisted to be woven into an independent core, wherein the layering number of plies is not less than 3 layers, it is twisted braiding number and is twisted for every 5 centimetre length
Number is closed to be not less than 5 times；
Second step：Core is coated, is preparing the sintering winding FWCR coatings of the core outer surface after being molded, and in FWCR coatings
Outer surface coats at least one layer of aramid yarn clad, and aramid yarn coating thickness is 0.5-2 millimeters；
3rd step：Separation layer is coated, along core distribution arrangement, the winding at least two layers polyester in aramid yarn clad outer surface
Film band, wherein a strata ester film belt winding direction and core axis are in 15 ° -75 ° angles, two adjacent mylar tapes twine
It is in 45 ° -90 ° angles around direction；
4th step：Tension rope is set, tension rope, wherein at least two, tension rope are set outside separation layer, and around core
Axis is distributed on separation layer outer surface；
5th step：Coated insulation layer, using co-extrusion method, inner insulation layer and outer layer insulation are carried out to separation layer outer surface
Layer cladding operation, wherein primary insulation layer main body base material are crosslinked polyethylene, and outer layer insulation layer main body base material is low for crosslinking oil resistant
Cigarette halogen-free anti-flaming polyolefin；
6th step：Insulating barrier is modified, and crosslinking irradiation is carried out to the insulating barrier for being coated on core outer surface, to inner insulation layer
And outer insulation is modified processing, then treat to naturally cool to normal temperature by being crosslinked the insulating barrier of radiation treatment.
Further, described FWCR coatings include corona-resistant polyimide layer and full polyfluoroethylene glue, wherein complete poly-
Fluoro ethyl propene glue is coated on corona polyimide layer outer surface, and wherein corona polyimide layer thickness is 0.02-0.05 millimeter,
Full polyfluoroethylene glue gross thickness is 0.01-0.1 millimeter.
Further, the tension rope in the 4th step is nylon fiber rope.
Inner insulation layer and outer insulation component and mass percent are respectively in further 5th step：
Wherein inner insulation layer includes：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 the poly- second of crosslinking
Alkene；
Wherein outer insulation includes：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 is crosslinking oil-resistant low-smoke halogen-free flame-retardant polyolefin.
Beneficial effects of the present invention：
1st, production technology technique is simply easily grasped, and to working condition requirement compared with conventional high rate cable for train production requirement
Significantly reduce, so as to while product quality is ensured, on the one hand greatly reduce production cost, on the other hand also contribute to
Production efficiency is improved, simultaneously, each process procedure is completely embedded in production, and production relevant parameter is accurate, is easily grasped, so as to
Beneficial to the automation improved to production process and product quality inspection accuracy is improved, helps further to improve production production effect
Rate and product quality, and reduce production cost and labor intensity；
2nd, using the cable of the technique productions, conductive wire core structure is close, and structural strength and toughness properties are compared with conventional high rate
Cable for train is significantly increased, so as to greatly improve the tension of cable, shock resistance and shock resistance, so as to improve
Cable self-operating stability, and help to extend cable service life.
3rd, using the cable of the technique productions, another have a good external isolation performance, and high temperature resistant, corrosion-resistant and fire-retardant
Performance, cable can be effectively improved to external complex electromagnetic interference resistivity, and greatly improve cable itself high temperature resistant,
Decay resistance, avoid because high temperature caused by operation and external contaminants damage to cable insulation, improve cable certainly
The protective capacities of body, is favorably improved the security and stability of cable operation, and helps to extend the service life of cable.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Embodiment 1：
According to Fig. 1, a kind of production technology of bullet train cable, comprise the following steps：
The first step：Core is prepared, more diameters and the tin plating thin copper wire 1 of resistivity identical are layered, gone forward side by side in the same direction
Row is repeatedly twisted to be woven into an independent core, wherein the layering number of plies is 5 layers, twisted braiding number is that every 5 centimetre length is twisted
Number is 6；
Second step：Core is coated, is preparing the sintering winding FWCR coatings of the core outer surface after being molded 2, and apply in FWCR
2 outer surface of layer coat at least one layer of coating of aramid yarn bag 3, and the coating thickness of aramid yarn 3 is 2 millimeters, wherein FWCR coatings bag
Corona-resistant polyimide layer 21 and full polyfluoroethylene glue 22 are included, wherein full polyfluoroethylene glue 22 is coated on corona polyimides
21 outer surface of layer, the wherein thickness of corona polyimide layer 21 are 0.02 millimeter, and the full gross thickness of polyfluoroethylene glue 22 is 0.05 milli
Rice；
3rd step：Separation layer is coated, along core distribution arrangement, at least two layers is wound in the clad outer surface of aramid yarn 3 and gathers
Ester film band 4, wherein one layer of winding direction of mylar tape 4 and core axis are in 30 ° of angles, two adjacent mylar tapes 4 twine
It is in 90 ° of angles around direction；
4th step：Tension rope is set, nylon fiber tension rope 5, wherein 5 liang of nylon fiber tension rope are set outside separation layer
Root, and it is distributed on separation layer outer surface around core axis；
5th step：Coated insulation layer, using co-extrusion method, primary insulation is carried out to the separation layer outer surface of mylar tape 4
Layer 6 and outer insulation 7 coat operation, and the wherein main body base material of inner insulation layer 6 is crosslinked polyethylene, the main body of outer insulation 7
Base material is crosslinking oil-resistant low-smoke halogen-free flame-retardant polyolefin, wherein inner insulation layer and outer insulation component and mass percent point
It is not：
Inner insulation layer includes：It is polymeric plasticizer 20%, antioxidant 1.5%, fire retardant 1%, sensitizer 20%, quick
Agent 0.5%, ceramic particle 3%, surplus are crosslinked polyethylene；
Outer insulation includes：Polymeric plasticizer 25%, antioxidant 3%, fire retardant 2%, sensitizer 30%, sensitization
Agent 1%, ceramic particle 2%, colouring agent 8%, surplus are crosslinking oil-resistant low-smoke halogen-free flame-retardant polyolefin；
6th step：Insulating barrier is modified, and crosslinking irradiation is carried out to the insulating barrier for being coated on core outer surface, to inner insulation layer
6 and outer insulation 7 be modified processing, then treat through crosslinking radiation treatment insulating barrier naturally cool to normal temperature.
Beneficial effects of the present invention are as follows：1st, production technology technique is simply easily grasped, and requires more traditional to working condition
Bullet train is significantly reduced with cable production requirement, so as to while product quality is ensured, on the one hand greatly reduce life
Cost is produced, on the other hand also contributes to improve production efficiency, simultaneously, each process procedure is completely embedded in production, and is produced
Relevant parameter is accurate, easily grasps, and so as to be beneficial to improve the automation to production process and improve product quality inspection accuracy, has
Help further improve production production efficiency and product quality, and reduce production cost and labor intensity；
2nd, using the cable of the technique productions, conductive wire core structure is close, and structural strength and toughness properties are compared with conventional high rate
Cable for train is significantly increased, so as to greatly improve the tension of cable, shock resistance and shock resistance, so as to improve
Cable self-operating stability, and help to extend cable service life.
3rd, using the cable of the technique productions, another have a good external isolation performance, and high temperature resistant, corrosion-resistant and fire-retardant
Performance, cable can be effectively improved to external complex electromagnetic interference resistivity, and greatly improve cable itself high temperature resistant,
Decay resistance, avoid because high temperature caused by operation and external contaminants damage to cable insulation, improve cable certainly
The protective capacities of body, is favorably improved the security and stability of cable operation, and helps to extend the service life of cable.
Embodiment 2：
According to Fig. 1, a kind of production technology of bullet train cable, comprise the following steps：
The first step：Core is prepared, more diameters and the tin plating thin copper wire 1 of resistivity identical are layered, gone forward side by side in the same direction
Row is repeatedly twisted to be woven into an independent core, wherein the layering number of plies is 6 layers, twisted braiding number is that every 5 centimetre length is twisted
Number is 10；
Second step：Core is coated, is preparing the sintering winding FWCR coatings of the core outer surface after being molded 2, and apply in FWCR
2 outer surface of layer coat at least one layer of coating of aramid yarn bag 3, and the coating thickness of aramid yarn 3 is 1 millimeter, wherein FWCR coatings bag
Corona-resistant polyimide layer 21 and full polyfluoroethylene glue 22 are included, wherein full polyfluoroethylene glue 22 is coated on corona polyimides
21 outer surface of layer, the wherein thickness of corona polyimide layer 21 are 0.03 millimeter, and the full gross thickness of polyfluoroethylene glue 22 is 0.1 milli
Rice；
3rd step：Separation layer is coated, along core distribution arrangement, at least two layers is wound in the clad outer surface of aramid yarn 3 and gathers
Ester film band 4, wherein one layer of winding direction of mylar tape 4 and core axis are in 45 ° of angles, two adjacent mylar tapes 4 twine
It is in 60 ° of angles around direction；
4th step：Tension rope is set, nylon fiber tension rope 5, wherein 5 liang of nylon fiber tension rope are set outside separation layer
Root, and it is distributed on separation layer outer surface around core axis；
5th step：Coated insulation layer, using co-extrusion method, primary insulation is carried out to the separation layer outer surface of mylar tape 4
Layer 6 and outer insulation 7 coat operation, and the wherein main body base material of inner insulation layer 6 is crosslinked polyethylene, the main body of outer insulation 7
Base material is crosslinking oil-resistant low-smoke halogen-free flame-retardant polyolefin, wherein inner insulation layer and outer insulation component and mass percent point
It is not：
Inner insulation layer includes：It is polymeric plasticizer 15%, antioxidant 2%, fire retardant 1.5%, sensitizer 25%, quick
Agent 0.7%, ceramic particle 4%, surplus are crosslinked polyethylene；
Outer insulation includes：Polymeric plasticizer 30%, antioxidant 5%, fire retardant 1%, sensitizer 25%, sensitization
Agent 0.5%, ceramic particle 5%, colouring agent 10%, surplus are crosslinking oil-resistant low-smoke halogen-free flame-retardant polyolefin；
6th step：Insulating barrier is modified, and crosslinking irradiation is carried out to the insulating barrier for being coated on core outer surface, to inner insulation layer
6 and outer insulation 7 be modified processing, then treat through crosslinking radiation treatment insulating barrier naturally cool to normal temperature.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
- A kind of 1. production technology of bullet train cable, it is characterised in that：Specifically include the following steps：The first step：Core is prepared, more diameters and the tin plating thin copper wire of resistivity identical are layered, in the same direction and carried out multiple It is twisted and is woven into an independent core, wherein the layering number of plies is 5 layers, twisted braiding number is that the twisted number of every 5 centimetre length is 6 It is secondary；Second step：Core is coated, is preparing the sintering winding FWCR coatings of the core outer surface after being molded, and in FWCR coating appearances Bread covers at least one layer of aramid yarn clad, and aramid yarn coating thickness is 2 millimeters；Described FWCR coatings include corona-resistant polyimide layer and full polyfluoroethylene glue, wherein full polyfluoroethylene glue coats In corona-resistant polyimide layer outer surface, wherein corona-resistant polyimide thickness degree is 0.02 millimeter, and full polyfluoroethylene glue is total Thickness is 0.05 millimeter；3rd step：Separation layer is coated, along core distribution arrangement, the winding at least two layers polyester film in aramid yarn clad outer surface Band, wherein a strata ester film belt winding direction and core axis are in 30 ° of angles, two adjacent mylar tape winding directions are in 90 ° of angles；4th step：Tension rope is set, tension rope is set outside separation layer, the tension rope is nylon fiber rope, is arranged to two, And it is distributed on separation layer outer surface around core axis；5th step：Coated insulation layer, using co-extrusion method, inner insulation layer and outer insulation bag are carried out to separation layer outer surface Cover operation, wherein primary insulation layer main body base material is crosslinked polyethylene, outer layer insulation layer main body base material for the low cigarette of crosslinking oil resistant without Halogen fire retardant polyolefin；6th step：Insulating barrier is modified, and crosslinking irradiation is carried out to the insulating barrier for being coated on core outer surface, to inner insulation layer and outside Layer insulating is modified processing, then treats to naturally cool to normal temperature by being crosslinked the insulating barrier of radiation treatment.
- 2. the production technology of bullet train cable according to claim 1, it is characterised in that：Primary insulation in 5th step Layer and outer insulation component and mass percent are respectively：Described inner insulation layer includes：Polymeric plasticizer 20%, antioxidant 1.5%, fire retardant 1%, sensitizer 20%, Sensitizer 0.5%, ceramic particle 3%, surplus are crosslinked polyethylene；Described outer insulation includes：It is polymeric plasticizer 25%, antioxidant 3%, fire retardant 2%, sensitizer 30%, quick Agent 1%, ceramic particle 2%, colouring agent 8%, surplus are crosslinking oil-resistant low-smoke halogen-free flame-retardant polyolefin.
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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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| CN106448925A (en) * | 2016-10-26 | 2017-02-22 | 国家电网公司 | SPP water-tolerant winding wire manufacturing technique |
| 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 |
| 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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| JPH06295622A (en) * | 1993-04-06 | 1994-10-21 | Sumitomo Wiring Syst Ltd | Winding type high voltage resistance electric wire for preventing generation of noise |
| 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 |
| CN103077783B (en) * | 2013-01-28 | 2016-02-17 | 常州市新东方电缆有限公司 | The production technology of bullet train cable |
| 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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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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