CN1862711A - Novel cable and mfg. method - Google Patents
Novel cable and mfg. method Download PDFInfo
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- CN1862711A CN1862711A CN 200610051930 CN200610051930A CN1862711A CN 1862711 A CN1862711 A CN 1862711A CN 200610051930 CN200610051930 CN 200610051930 CN 200610051930 A CN200610051930 A CN 200610051930A CN 1862711 A CN1862711 A CN 1862711A
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Abstract
This invention relates to new style cable and its manufacturing method. The cable mainly consists of middle cable core and out conductor. The core is inter-twisted by at least five color metal wire materials or metal wire contained or optical fiber insulated wire. At least one conductor or insulated metal wire or optical fiber is at midmost of the twisted wire. Inner metal wire or the fiber insulating core wire is made on electric wire and cable plastic extruding device as normal manufacturing method, then bunched wire is twisted on the device, and the wire through the molding chamber of the metal extrusion cladding machine, aluminum alloy is also sent to the machine. The aluminum material is done by the rotating function of the squeegee roller to rub and generate high temperature, and then they are force pushed into the chamber to form good combination, then the seamless aluminum alloy is extruded from the die orifice, finally the alloy is chucked on the twisted wire through pulling to make cable. It has good conductivity, and glabrous surface, its wall thickness is uniform. It also has long length, high production efficiency, and it is hard to damage, no pollution, anti-corrosion and long using life.
Description
Technical field
That the present invention relates to is the cable and the preparation method of a kind of transmission of electricity or signal of telecommunication transmission, especially a kind of railway signal earth cable and preparation technology, and it belongs to electric wire manufacturing technology field.
Background technology
Along with the development of the progress of science and technology and society, the transmission requirement of signals such as electric power, communication is also more and more higher, the cable purposes that needs shielding also more and more widely, and environmental requirement is also more and more important; For example the Through ground wire of laying along the trunk railway total length at present not only requires this line earth resistance little, makes equipment ground safe and reliable, and requirement and soil have excellent contact and stable corrosion resistance is arranged.
The Through ground wire of home and abroad use at present is the sheath copper cash, at the plumbous cover of copper stranded conductor outer wrapping one deck, utilize the plumbous electric conductivity and the requirement of anti-soil corrosion sexual satisfaction Through ground wire, but in using following problem has appearred: 1. be poisonous heavy metal because of lead, although its anticorrosive property is good, can cause severe contamination to soil and water when directly burying when underground, also can contaminated air in manufacture course of products and operating personnel are caused harmful effect, because of this product does not meet environmental requirement, the national environmental protection department and the Ministry of Railways have proposed restriction and have continued to use.2. existing sheath copper Through ground wire is laid in underground back as breaking, and as construction, stolen etc., operating management department then can't in time be known, and causes the improper running of train, has potential safety hazard.3. Qian plasticity is poor, and minor radius is crooked and be subjected to external force effect damage easy to crack, gives construction and brings harmful effect useful life.4. appearance is not bright and clean, and production technology is outmoded, and production efficiency is low, is not suitable for length production.In view of above reason, the Ministry of Railways and authorities and relevant design, applying unit proposes to the manufacturing enterprise that produces Through ground wire, wishes to develop to meet environmental protection, electric property and Corrosion Protection all meet the demands, and have the novel railway perforation cable of break alarm function.
Summary of the invention:
The objective of the invention is to overcome the shortcoming of above-mentioned existence, and a kind of advanced technology is provided, technology is reasonable, the production efficiency height, and composite quality is good, the long-life, can contain the communication signal line, the novel cable of non-environmental-pollution and manufacture method.This cable mainly is made of middle cable core and outer conductor, and described cable core is by at least five non-ferrous metal wire rods or insulated wire is stranded forms, and has the metal wire or the optical fiber of a conductor or insulation at least at the positive center of twisted wire.
Described cable core has the metal wire or the optical fiber of an eradication edge by five stranded forming of metal wire at the center of metal twisted wire.The outer ring portion of the twisted wire of described metal or insulation contacts with the outer aluminium alloy outer conductor that coats or is chimeric mutually.
Described aluminium alloy outer conductor is the preparation of magnesium aluminium alloy material.
A kind of method of making above-mentioned novel cable, it is to be the insulation heart yearn of metal wire or optical fiber in producing on the electric wire manufacturing equipment with the conventional mode of production earlier, many metal wires insulation is stranded outside the heart yearn, with the die cavity of metal twisted wire by metal extruding coating machine, simultaneously alloy aluminum is sent in the metal extruding coating machine, make aluminium under the friction generation action of high temperature of squeegee roller, enter die cavity and form good combination after die orifice is extruded the seamless Al-alloy pipe material, again the aluminium-alloy pipe of extruding is clamped on the twisted wire through drawing, makes cable.
Insulation heart yearn of the present invention is interior plastic insulated wire for single or many wires or optical fiber.Metal twisted wire of the present invention is to be twisted into one multiply metal wire through cable equipment with many single-wire.Alloy aluminum of the present invention is formulated by the magnesium allumen.
The gap of the interior outer mold of described metal extruding coating machine is to determine according to the wall thickness of product outer conductor, and the monolateral gap in stranded wire and the outer conductor is about 20% of a stranded wire.
Compress directly through the drawbench card again after described metal extruding coating machine is extruded, be with bearing on the mould periphery of its drawing undergauge or the end face, and mould is to cool off below five and with oil lubrication.
The present invention compared with prior art has following technical characterstic: 1. substitute traditional lapping lead with novel magnesium allumen, and good conductivity, intensity height, pollution-free, performances such as tensile strength, corrosion resistance all are greatly improved.2. will unite two into one because of break alarm holding wire or the order wire that construction, theft, natural calamity cause.3. adopt state-of-the-art aluminium alloy cold extrusion cladding process, the speed per minute is more than 40 meters, and production efficiency increases substantially.4. cable product any surface finish, wall thickness is even, and length is big, easy damaged not in the construction, decay resistance strengthens, and design more than 50 years service life.5. at present still belong to blank with this material, technological process production electric railway with Through ground wire both at home and abroad.6. sheath copper Through ground wire has limited use, and this product is desirable substitute.
Description of drawings:
Fig. 1 is a cable product structural representation of the present invention.
Fig. 2 is an another kind of cable product structural representation of the present invention.
Fig. 3 is another cable product structural representation of the present invention.
Fig. 4 is technological equipment of the present invention and implements principle schematic.
Fig. 5 is the extrusion schematic diagram of metal extruding coating machine of the present invention.
Fig. 6 is the structural representation of drawing undergauge device of the present invention.
Embodiment:
Cable of the present invention mainly is made of middle cable core and outer conductor, and described cable core is by at least five non-ferrous metal wire rods or insulated wire is stranded forms, and has the metal wire of a conductor or insulation or optical fiber at least at the positive center of twisted wire as holding wire; Described cable core is by five stranded forming of above metal wire, as copper or aluminum steel.The outer ring portion of described metal twisted wire contacts with the outer aluminium alloy outer conductor that coats or is chimeric mutually; Described aluminium alloy outer conductor is the preparation of magnesium aluminium alloy material.
Shown in Figure 1 is the product structure schematic diagram of no center signal line of the present invention, and its cable product is formed by five above metal twisted wires 1 with by magnesium allumen outer conductor 2.
Shown in Figure 2 is the product structure schematic diagram that there is holding wire at center of the present invention, and this cable product includes holding wire 3,4, five above metal twisted wires 1 of insulator, magnesium allumen outer conductor 2.
Shown in Figure 3 is the product structure schematic diagram that stranded wire of the present invention is insulated wire, and this cable product comprises: 3, five of metal inner wire holding wires are with upper insulator twisted wire 1, magnesium allumen outer conductor 2.
Above-mentioned cable product, in order to adapt to the needs of different purposes, its magnesium allumen can substitute with common aluminum alloy, perhaps in order more to increase the service life, adds the plastic cement sheath in the outside of outer conductor.
The method of making above-mentioned novel cable is: it is to be metal wire such as copper cash in producing on the extrusion apparatus of electric wire manufacturing with the conventional mode of production earlier, or the insulation heart yearn of optical fiber, many metal wires insulation is stranded outside the heart yearn, with the die cavity center of metal twisted wire by metal extruding coating machine, alloy aluminum is sent in the die cavity of metal extruding coating machine, make aluminium under the turning effort of squeegee roller, friction produces high temperature and pushes by force and extrudes the seamless Al-alloy pipe material by die orifice after die cavity forms good combination, the aluminium-alloy pipe extruded is clamped on the twisted wire through drawing again and makes cable.Used metal wire can be leads such as copper, aluminium in the specific embodiment.
Insulation heart yearn of the present invention is interior single or many plastic insulated wires for metal wire or optical fiber.
Twisted wire of the present invention is to be twisted into one multiply metal wire through cable equipment with many single-wire.
Alloy aluminum of the present invention is formulated by the magnesium allumen.
Of the present inventionly belong to routine techniques, this no longer numerous stating about producing the method for plastic insulation holding wire with the conventional plastic extruder and many lists being propped up the stranded technology of metal wire with traditional stranding machine.Concrete manufacture method is seen shown in Figure 4, and the label shown in the figure is: the 5th, and preparation mixes the real core aluminium alloy wires through processing, the 6th, straightener, the 7th, unhairing machine, the 8th, cleaning machine, the 9th, twisted wire, the 10th, continuously extruded coating machine, the 11st, bosh, the 12nd, little hauling machine, the 13rd, adjust arm, the 14th, the drawing station, the 15th, cleaning machine, the 16th, hauling machine, the 17th, admission machine.
Aluminium alloy wires is through 5 straightening, 6 remove surface impurity, enter continuously extruded coating machine 10 after 7 cleanings, extrude garden hollow aluminum pipe, through 11 cooling and 12 little tractions, carry out the drawing diameter reduction and be clamped on the rope-lay strand through entering 14 after 13, must use lubricating oil for cooling and assurance product surface fineness in the drawing, 15 remove the greasy dirt after the drawing, and the pipe after extruding is by 16 traction pullings.
When extruding the hollow aluminum pipe of circle through 11,12,13,14,15,16 just often, and twisted wire 9 is sent into continuously extruded coating machine 10, this moment twisted wire 9 in company with aluminum pipe by hauling machine 16 pulling, treat product normal after with its take-up on 17.
The present invention mainly is divided into the three process flow process: first road is to utilize the extrusion apparatus of traditional electric wire to produce insulated conductor; Second road is to utilize traditional stranded multi cord of electric wire wire twisting equipment; The 3rd road coats operation for extruding.Specifically describe: shown in Figure 5 in conjunction with Fig. 5, the 18th, the plate-like aluminium alloy through preparing, through 6 straightening, 7 remove surface impurity, send into squeegee roller 19 and pinch roller 20 after 8 cleanings, squeegee roller 19 is produced high pressure-temperature the aluminium alloy critical solution point is sent into it in cavity 21 by force by the power drive rotation in the rotation, the rear side of cavity is provided with shelves material seat 22, and the aluminium alloy of being sent into by force can only be extruded aluminium-alloy pipe 25 from the die clearance mouth of internal mold 23 and external mold 24; The aluminium-alloy pipe of extruding 25 connects messenger after 11 coolings, messenger passes drawing station 14 and cleaning machine 15, enters the hauling machine 16 that drags the whole piece product again, has produced empty aluminium alloy pipe this moment.
Technological difficulties of the present invention are: one. it is high temperature that aluminum pipe is extruded, and can not run into twisted wire before uncolled, causes wrinkling this project that makes of aluminum pipe after the viscous and can't implement otherwise produce, and Yin Wendu is too high and destroy the insulation heart yearn simultaneously.Because of the spiral type of twisted wire has irrigation canals and ditches, and, very easily produce bondingly, cause whole product to break or aluminium-alloy pipe 25 produces wrinkle with the spiral lines of twisted wire 9 with colliding without the aluminium-alloy pipe 25 of cooling because the weight of twisted wire causes saggingly; So the gap between twisted wire 9 and the aluminium-alloy pipe 25 is very important, facts have proved that should get about 20% of twisted wire diameter is the single face gap.
Two. the spiral lines because of twisted wire 9 when the drawing undergauge makes aluminium-alloy pipe 25 be clamped on the twisted wire 9 causes product to reverse, thereby cause the thickness of aluminium-alloy pipe 25 seriously irregular, inner strands and holding wire are impaired serious or cause whole product to break this project can't be implemented.
Power is by hauling machine 16 pullings, twisted wire is straight-line in process drawing mould 26 chuckings in aluminium-alloy pipe 25, extrude aluminium-alloy pipe 25 diameters greater than the product structure size, will be under the situation that aluminium-alloy pipe 25 is extruded fast with the disposable product structure size that narrows down to of aluminium-alloy pipe 25 diameters, it is very difficult that the undergauge drawing becomes; Because of twisted wire 9 twist and irrigation canals and ditches are arranged, aluminium-alloy pipe 24 can produce along the spirality irrigation canals and ditches of twisted wire and reverse, product is an indefinite length during production, so the progressively accumulation of reversing and cause drawing mould 26 not enter causes breaking whole product.
For this reason, this project is on the periphery (or end face) of mould 25, be provided with bearing 27 and bearing pedestal 28, make irregular reverse by mould 26 and bearing 27 of product in drawing chucking process carry out free adjustment, allow irregular torsion angle release in drawing station 14 to admission machine between 17.
Claims (10)
1, a kind of novel cable, it is made of middle cable core and outer conductor, it is characterized in that described cable core is by at least five non-ferrous metal wire rods or contains stranded the forming of insulated wire of metal wire, has the metal wire or the optical fiber of a conductor or insulation at least at the positive center of twisted wire.
2, novel cable according to claim 1 is characterized in that described cable core by five stranded forming of above metal wire, and the metal wire or the optical fiber of an eradication edge is arranged at the center of metal twisted wire.
3, novel cable according to claim 2, the outer ring portion that it is characterized in that described twisted wire contacts with the outer aluminium alloy outer conductor that coats or is chimeric mutually.
4, novel railway according to claim 3 connects cable, it is characterized in that described aluminium alloy outer conductor is that magnesium allumen or aluminum alloy materials are made.
5, a kind of manufacture method as claim 1 or 2 or 3 or 4 described novel cables, it is to be the insulation heart yearn of metal wire or optical fiber in producing on the extrusion apparatus of electric wire with the conventional mode of production earlier, and with the stranded multiply metal wire of wire twisting equipment, with the die cavity of twisted wire by metal extruding coating machine, alloy aluminum is sent in the metal extruding coating machine, make aluminium under the turning effort of squeegee roller, friction produces high temperature and pushes by force and extrudes the seamless Al-alloy pipe material by die orifice after die cavity forms good combination, the aluminium-alloy pipe extruded is clamped on the twisted wire through drawing again and makes cable.
6, the method for manufacturing novel cable according to claim 5 is characterized in that described insulation heart yearn is interior plastic insulated wire for metal wire or optical fiber.
7, the method for manufacturing novel cable according to claim 5 is characterized in that described twisted wire is to be twisted into one multi cord through cable equipment with many solid wires.
8, the method for manufacturing novel cable according to claim 5 is characterized in that described alloy aluminum is by the magnesium allumen or is the aluminum alloy materials preparation.
9, the method for manufacturing novel cable according to claim 5, the gap that it is characterized in that the interior outer mold of described metal extruding coating machine is to determine according to the wall thickness of product outer conductor, and the monolateral gap in stranded wire and the outer conductor is about 20% of a strands linear diameter.
10, according to the method for claim 5 or 9 described manufacturing novel cables, it is characterized in that compressing directly through the drawing card again after metal extruding coating machine is extruded aluminum pipe, be with bearing on the mould periphery of its drawing undergauge or the end face, and mould is to cool off below five and with oil lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100519305A CN100454446C (en) | 2006-06-12 | 2006-06-12 | Novel cable and mfg. method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100519305A CN100454446C (en) | 2006-06-12 | 2006-06-12 | Novel cable and mfg. method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1862711A true CN1862711A (en) | 2006-11-15 |
| CN100454446C CN100454446C (en) | 2009-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100519305A Expired - Fee Related CN100454446C (en) | 2006-06-12 | 2006-06-12 | Novel cable and mfg. method |
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| Country | Link |
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| CN (1) | CN100454446C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500616A (en) * | 2013-09-04 | 2014-01-08 | 安徽电气集团股份有限公司 | Production technology of cable |
| CN105683798A (en) * | 2013-06-19 | 2016-06-15 | Abb技术有限公司 | Power cable assembly device and power cable provided with such device |
| CN107785122A (en) * | 2017-09-20 | 2018-03-09 | 中天合金技术有限公司 | A kind of preparation technology of seamless Through ground wire |
| CN109313045A (en) * | 2016-06-08 | 2019-02-05 | 光纳株式会社 | Cable is used in the pressure of substance, temperature, Strain Distribution measurement |
| TWI719737B (en) * | 2019-12-03 | 2021-02-21 | 財團法人金屬工業研究發展中心 | Metal strand manufacturing equipment and manufacturing method |
| CN117497248A (en) * | 2024-01-02 | 2024-02-02 | 尚纬股份有限公司 | Preparation method of solid split aluminum conductor high-voltage cable |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403073A (en) * | 2011-11-21 | 2012-04-04 | 安徽蓝德集团股份有限公司 | Method for producing insulating wire core of cable |
| CN102800918B (en) * | 2012-08-06 | 2014-12-10 | 汕头市金桥电缆有限公司 | Manufacturing method of wireless communication antenna feeder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100322123B1 (en) * | 1998-11-18 | 2002-03-08 | 윤종용 | Optical fiber composite ground wire having steel tube |
| CN2409582Y (en) * | 1999-12-29 | 2000-12-06 | 金宝石 | Insulative conductor |
| CN2727910Y (en) * | 2004-03-18 | 2005-09-21 | 江苏通光信息有限公司 | Photoelectric composite aerial earth wire |
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2006
- 2006-06-12 CN CNB2006100519305A patent/CN100454446C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105683798A (en) * | 2013-06-19 | 2016-06-15 | Abb技术有限公司 | Power cable assembly device and power cable provided with such device |
| CN103500616A (en) * | 2013-09-04 | 2014-01-08 | 安徽电气集团股份有限公司 | Production technology of cable |
| CN109313045A (en) * | 2016-06-08 | 2019-02-05 | 光纳株式会社 | Cable is used in the pressure of substance, temperature, Strain Distribution measurement |
| CN109313045B (en) * | 2016-06-08 | 2020-11-13 | 光纳株式会社 | Cable for measuring pressure, temperature and strain distribution of substance |
| CN107785122A (en) * | 2017-09-20 | 2018-03-09 | 中天合金技术有限公司 | A kind of preparation technology of seamless Through ground wire |
| CN107785122B (en) * | 2017-09-20 | 2019-08-13 | 中天合金技术有限公司 | A kind of preparation process of seamless Through ground wire |
| TWI719737B (en) * | 2019-12-03 | 2021-02-21 | 財團法人金屬工業研究發展中心 | Metal strand manufacturing equipment and manufacturing method |
| CN112908567A (en) * | 2019-12-03 | 2021-06-04 | 财团法人金属工业研究发展中心 | Metal stranded wire manufacturing equipment and manufacturing method |
| CN112908567B (en) * | 2019-12-03 | 2022-07-29 | 财团法人金属工业研究发展中心 | Metal stranded wire manufacturing equipment and manufacturing method |
| CN117497248A (en) * | 2024-01-02 | 2024-02-02 | 尚纬股份有限公司 | Preparation method of solid split aluminum conductor high-voltage cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100454446C (en) | 2009-01-21 |
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