CN103077783B - The production technology of bullet train cable - Google Patents
The production technology of bullet train cable Download PDFInfo
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- CN103077783B CN103077783B CN201310047455.4A CN201310047455A CN103077783B CN 103077783 B CN103077783 B CN 103077783B CN 201310047455 A CN201310047455 A CN 201310047455A CN 103077783 B CN103077783 B CN 103077783B
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Abstract
The present invention relates to cable production art, particularly a kind of production technology of bullet train cable, it comprises the following steps: thin tinned copper wire layering by many same diameter, repeatedly, equidirectionally regularly strandedly makes conductor cable core; Synchronously extrude inner insulating layer and external insulation layer outward at the conductor cable core made, in inner insulating layer and external insulation layer, adopt one or both in phosphate, magnesium hydroxide as fire retardant.The bullet train cable that the production technology of bullet train cable of the present invention is obtained, flexibility is good, strong shock resistance, and oil resistance is good, and anti-aging is strong, high temperature resistant and low temperature, is more applicable for bullet train and uses.
Description
Technical field
The present invention relates to the manufacture method of cable, particularly a kind of production technology of the cable for bullet train.
Background technology
Along with socioeconomic high speed development, track traffic also experienced by and repeatedly raises speed, present high ferro is developed into from initial low speed train, the high ferro speed of service is very fast, speed can reach 300 ~ 400 kilometers per hour, and cable is that bullet train operation is requisite, cable for bullet train must possess stronger impact resistance, vibration resistance, fuel oil resistance and high temperature resistant and low temperature resistant performance, if oil resistance is low, then fuel oil can penetrate in the insulating barrier of cable, insulating barrier is caused to expand, finally cause breaking of insulating barrier, affect it normally to use, existing bullet train cable impact resistance and oil resistance still need to improve.
Summary of the invention
The object of the invention is to, for the existing bullet train cable impact resistance described in background technology and the poor problem of oil resistance, provide a kind of production technology that can solve the bullet train cable of foregoing problems.
Realize object technical scheme of the present invention as follows:
A production technology for bullet train cable, it comprises the following steps:
Step 1, with the thin tinned copper wire layering of many same diameter, repeatedly, equidirectionally regularly strandedly make conductor cable core;
Step 2, the conductor cable core made in step 1 synchronously extrude inner insulating layer and external insulation layer outward, and inner insulating layer adopts the cross-linking radiation polyolefine material of high electrical property, and external insulation layer adopts the cross-linking radiation polyolefine material of high flame resistance;
The component of described inner insulating layer and mass percent are: crosslinkable polyolefin base-material 50-60%, polymeric plasticizer 15-25%, antioxidant 1-2%, sensitizer 20-30%, sensitizer 0.1-1%, fire retardant 0.1-1%;
The component of described external insulation layer and mass percent are: crosslinkable polyolefin base-material 40-50%, polymeric plasticizer 10-20%, antioxidant 1-2%, sensitizer 20-30%, sensitizer 0.1-1%, fire retardant 1-2%, colouring agent 4-8%;
Above-mentioned fire retardant adopt in phosphate, magnesium hydroxide one or both.
Described polymeric plasticizer is one or more in ethylene-vinyl acetate copolymer EVA, aliphatic dibasic acid ester DOA, pentaerythritol ester.
Described antioxidant is alkyl Polyphenols material.
Described sensitizer is TMPTM.
Described sensitizer is one or both in silicon chloride, carbon black.
Described colouring agent is carbon black.
The production technology of a kind of photovoltaic cable of the present invention, adopt the thin tinned copper wire layering of many same diameter, repeatedly, equidirectionally regularly strandedly make cable core, so the better mechanical property of cable, soft, easily bending, significantly enhance impact resistance and the shock resistance of cable, the inner insulating layer of cable and external insulation layer all have employed crosslinkable polyolefin as base-material, and Main Components is substantially identical, just proportioning is not identical, inner insulating layer and external insulation layer compatibility are strengthened, plasticizer is mainly used for the flexibility increasing cable, antioxidant can strengthen the useful life of cable, prevent the aging of cable, the effect of fire retardant makes the inner insulating layer of cable and external insulation layer play fireproofing function, the component proportion of inner insulating layer mainly strengthens the electrical insulation properties of cable and mechanical flexibility, the component of external insulation layer and proportioning mainly strengthen mechanical flexibility and the fire resistance of cable, phosphate selected by fire retardant in inner insulating layer and external insulation layer, one or both in magnesium hydroxide, fire retardant is also oleophobic agent simultaneously, the oil resistance of cable can be strengthened.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bullet train cable that technique of the present invention obtains;
In figure, 1 is conductor cable core, and 2 is inner insulating layer, and 3 is external insulation layer.
Embodiment
Detailed illustrating is carried out below in conjunction with accompanying drawing 1 pair of the specific embodiment of the present invention:
Embodiment 1
A production technology for bullet train cable, it comprises the following steps:
Step 1, with the thin tinned copper wire layering of many same diameter, repeatedly, equidirectionally regularly strandedly make conductor cable core 1;
Step 2, the conductor cable core 1 made in step 1 is outer synchronously extrudes inner insulating layer 2 and external insulation layer 3, and inner insulating layer 2 adopts the cross-linking radiation polyolefine material of high electrical property, and external insulation layer 3 adopts the cross-linking radiation polyolefine material of high flame resistance;
Component and the mass percent of described inner insulating layer 2 are: crosslinkable polyolefin base-material 50%, polymeric plasticizer 23%, antioxidant 1%, sensitizer 25%, sensitizer 0.5%, magnesium hydroxide 0.5%;
Component and the mass percent of described external insulation layer 3 are: crosslinkable polyolefin base-material 45%, polymeric plasticizer 20%, antioxidant 2%, sensitizer 25%, sensitizer 0.5%, magnesium hydroxide 1.5%, colouring agent 6%.
Embodiment 2
A production technology for bullet train cable, it comprises the following steps:
Step 1, with the thin tinned copper wire layering of many same diameter, repeatedly, equidirectionally regularly strandedly make conductor cable core 1;
Step 2, the conductor cable core 1 made in step 1 is outer synchronously extrudes inner insulating layer 2 and external insulation layer 3, and inner insulating layer 2 adopts the cross-linking radiation polyolefine material of high electrical property, and external insulation layer 3 adopts the cross-linking radiation polyolefine material of high flame resistance;
Component and the mass percent of described inner insulating layer 2 are: crosslinkable polyolefin base-material 55%, polymeric plasticizer 20%, antioxidant 1%, sensitizer 23%, sensitizer 0.5%, phosphoesterase 30 .5%;
Component and the mass percent of described external insulation layer 3 are: crosslinkable polyolefin base-material 50%, polymeric plasticizer 20%, alkyl Polyphenols material 2%, TMPTM20%, silicon chloride 0.5%, phosphate 1.5%, carbon black 6%.
Embodiment 3
A production technology for bullet train cable, it comprises the following steps:
Step 1, with the thin tinned copper wire layering of many same diameter, repeatedly, equidirectionally regularly strandedly make conductor cable core 1;
Step 2, the conductor cable core 1 made in step 1 is outer synchronously extrudes inner insulating layer 2 and external insulation layer 3, and inner insulating layer 2 adopts the cross-linking radiation polyolefine material of high electrical property, and external insulation layer 3 adopts the cross-linking radiation polyolefine material of high flame resistance;
Component and the mass percent of described inner insulating layer 2 are: crosslinkable polyolefin base-material 55%, polymeric plasticizer 20%, alkyl Polyphenols material 1%, TMPTM23%, carbon black 0.5%, magnesium hydroxide 0.5%;
Component and the mass percent of described external insulation layer 3 are: crosslinkable polyolefin base-material 50%, polymeric plasticizer 20%, alkyl Polyphenols material 2%, TMPTM20%, magnesium hydroxide 1.5%, carbon black 6.5%.
Embodiment 4
Described polymeric plasticizer is one or more in ethylene-vinyl acetate copolymer EVA, aliphatic dibasic acid ester DOA, pentaerythritol ester.
Claims (4)
1. a production technology for bullet train cable, is characterized in that: it comprises the following steps:
Step 1, with the thin tinned copper wire layering of many same diameter, repeatedly, equidirectionally regularly strandedly make conductor cable core;
Step 2, the conductor cable core made in step 1 synchronously extrude inner insulating layer and external insulation layer outward, and inner insulating layer adopts the cross-linking radiation polyolefine material of high electrical property, and external insulation layer adopts the cross-linking radiation polyolefine material of high flame resistance;
The component of described inner insulating layer and mass percent are: crosslinkable polyolefin base-material 50-60%, polymeric plasticizer 15-25%, antioxidant 1-2%, sensitizer 20-30%, sensitizer 0.1-1%, fire retardant 0.1-1%;
The component of described external insulation layer and mass percent are: crosslinkable polyolefin base-material 40-50%, polymeric plasticizer 10-20%, antioxidant 1-2%, sensitizer 20-30%, sensitizer 0.1-1%, fire retardant 1-2%, colouring agent 4-8%;
Above-mentioned fire retardant adopt in phosphate, magnesium hydroxide one or both;
Described antioxidant is alkyl Polyphenols material;
Described colouring agent is carbon black.
2. the production technology of a kind of bullet train cable according to claim 1, is characterized in that: described polymeric plasticizer is one or more in ethylene-vinyl acetate copolymer EVA, aliphatic dibasic acid ester DOA, pentaerythritol ester.
3. the production technology of a kind of bullet train cable according to claim 1, is characterized in that: described sensitizer is TMPTM.
4. the production technology of a kind of bullet train cable according to claim 1, is characterized in that: described sensitizer is one or both in silicon chloride, carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047455.4A CN103077783B (en) | 2013-01-28 | 2013-01-28 | The production technology of bullet train cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310047455.4A CN103077783B (en) | 2013-01-28 | 2013-01-28 | The production technology of bullet train cable |
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| Publication Number | Publication Date |
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| CN103077783A CN103077783A (en) | 2013-05-01 |
| CN103077783B true CN103077783B (en) | 2016-02-17 |
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| CN103606421B (en) * | 2013-11-18 | 2015-11-04 | 娄底市中凯机电设备有限公司 | A kind of production method of high-temperature resistant electronic wire |
| CN104700960B (en) * | 2015-02-02 | 2017-12-22 | 河北瑞光线缆有限公司 | A kind of production technology of bullet train cable |
| CN107274972A (en) * | 2017-06-21 | 2017-10-20 | 中辰电缆股份有限公司 | A kind of high powered diesel locomotive car cable and preparation method thereof |
| CN108053944A (en) * | 2017-12-13 | 2018-05-18 | 苏州浩焱精密模具有限公司 | A kind of processing technology of corrosion proof cable |
| CN107937830A (en) * | 2017-12-17 | 2018-04-20 | 苏州浩焱精密模具有限公司 | A kind of production technology of corrosion-resistant bolt |
| CN108034902A (en) * | 2017-12-17 | 2018-05-15 | 苏州浩焱精密模具有限公司 | A kind of processing technology of Combined handle |
| CN108004479A (en) * | 2017-12-17 | 2018-05-08 | 苏州浩焱精密模具有限公司 | A kind of processing technology of connecting flange |
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| CN102181108A (en) * | 2011-03-30 | 2011-09-14 | 林敏刚 | Crosslinked high flame-retardant foamed polyvinyl chloride modified material |
| CN102617925A (en) * | 2012-04-17 | 2012-08-01 | 中国工程物理研究院核物理与化学研究所 | Composite for irradiation cross-linking of low smoke zero halogen flame-retardant polyolefin cable material and preparation process of composite |
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| CN1588561A (en) * | 2004-08-17 | 2005-03-02 | 上海上缆辐照技术开发有限公司 | Environmental protection cable wire |
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Effective date of registration: 20200109 Address after: No. 155, Dongfang East Road, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Dongju Electric Technology Co., Ltd Address before: 213025 No. 130 Dongfang Dong Road, Qishuyan District, Jiangsu, Changzhou Patentee before: Changzhou New East Cable Co., Ltd. |
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