CN104992791B - Wrapping device used for circle conductor in middle and high voltage cable - Google Patents
Wrapping device used for circle conductor in middle and high voltage cable Download PDFInfo
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- CN104992791B CN104992791B CN201510263988.5A CN201510263988A CN104992791B CN 104992791 B CN104992791 B CN 104992791B CN 201510263988 A CN201510263988 A CN 201510263988A CN 104992791 B CN104992791 B CN 104992791B
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Abstract
The invention discloses a wrapping device used for a circle conductor in a middle and high voltage cable. The wrapping device comprises a stranding cage frame, a rotation shaft, a bearing mechanism, a large lead disk, a composite distribution head and an equant yarn head. A metal single thread successively penetrates through a through hole of a bearing, a lead wheel of a first small lead disk, a lead wheal of the large lead disk, a lead wheel of a second small lead disk and a through hole of the composite distribution head. A piece of water-blocking yarn successively penetrates through the through hole of the bearing, the lead wheel of the first small lead disk, the lead wheal of the large lead disk, the lead wheel of the second small lead disk, the through hole of the composite distribution head and a through hole of the equant yarn head. The stranding cage frame, the rotation shaft, the bearing, the large lead disk, the two small lead disks, the composite distribution head and the equant yarn head rotate at a high speed so as to successively strand the lead thread and the water-blocking yarn to the outer surface of a central lead thread, and a first lead layer, a second lead layer and a third lead layer are formed. The wrapping device is additionally provided with a water-blocking yarn device, and conductor gaps are uniformly filled with the water-blocking yarn, so that the water blocking effect of a conductor is realized.
Description
Technical field
The present invention relates to medium and high voltage cable field is and in particular to be used for the lapping device of round conductor in medium and high voltage cable.
Background technology
With the rapid growth of Chinese national economy, the Cultivar development of electric wire presents diversified trend.Electric wire
Cable develops to multifunction from simple power transmission, and that is, the difference according to purposes be addition of some new spies respectively
Property.In recent years, the requirement that blocks water to electric wire there occurs earth-shaking change.With the research to insulation water suction and water tree
And the intensification of understanding, people increasingly pay attention to the importance to medium and high voltage cable for the water resistance.Radial water-resisting structure, at present generally
Using structure be to extrude one layer of medium high density polyethylene inner sheath or one layer of aluminium-plastic tape of vertical bag in oversheath as resistance
Water segregation set, can obtain good block-water effect, implement by a relatively simple.Longitudinal water-blocking structure, mainly adopts at present
With passively blocking water（Filling is using waterproof paste etc.）And actively absorb water（Wrapped waterstop etc.）Two ways, but cable to be realized is complete
Face water resistance characteristic in addition it is also necessary to solve the problems, such as that conductor blocks water, no matter being stranded conductor or compact conductor all can have gap, water
Branch spreads in capillarity lower edge conductor.Solve conductor block water problem change particularly important.
Content of the invention
It is an object of the invention to provide a kind of lapping device for round conductor in medium and high voltage cable, this lapping device exists
Passing through on frame strand equipment to install the yarn feeding device that blocks water additional, water blocking yarn being uniformly filled in conductor gap, thus reach conductor blocking water
Effect.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of for round conductor in medium and high voltage cable
Lapping device, including cage frame, rotary shaft, Bearning mechanism, big wire disk, compound separated time head and decile loose thread, described cage
The monofilament disk of several winding metal monofilament is installed in frame postmedian, in described cage frame front portion, several is installed and is wound around resistance
The yarn disk of water yarn, described rotary shaft is sequentially embedded cage frame, Bearning mechanism, big wire disk, compound separated time head and waits dividing sinker
Respective center, described Bearning mechanism is made up of bearing block and bearing, and described rotary shaft embeds in bearing, described big wire
Disk and compound separated time head are both secured in rotary shaft, and in 2 little wire disks, the first little wire disk is located at big wire disk and axle
Hold between mechanism, in 2 little wire disks, the second little wire disk is located between big wire disk and compound separated time head, the dividing sinker such as described
Head is installed on compound separated time head outer end center, and the diameter of these dividing sinker heads is less than the diameter of compound separated time head, described bearing, multiple
Conjunction separated time head and decile loose thread are evenly distributed with several along its respective circumference and supply the through hole that metal monofilament or water blocking yarn pass through,
Several guide rollers circumferentially all it have been distributed on described first little wire disk, big wire disk, the second little wire disk；
Described metal monofilament sequentially passes through the through hole of bearing, the guide roller of the first little wire disk, the wire of big wire disk
Wheel, the guide roller of the second little wire disk, the through hole of compound separated time head, described water blocking yarn sequentially passes through the through hole of bearing, first little
The guide roller of wire disk, the guide roller of big wire disk, the guide roller of the second little wire disk, the through hole of compound separated time head and decile
The through hole of loose thread；Described cage frame, rotary shaft, bearing, big wire disk, 2 little wire disks, compound separated time head and decile loose thread
High-speed rotation, thus successively by stranded to wire and water blocking yarn in center conductor silk outer surface, formed described conductor layer No.1, the
Two conductor layers and privates layer.
In technique scheme, further improved technical scheme is as follows：
In such scheme, described metal monofilament and water blocking yarn extend through in the through hole of bearing, the through hole of compound separated time head
Different through holes, described metal monofilament and water blocking yarn the guide roller of the first little wire disk, the guide roller of big wire disk, second
The guide roller of little wire disk is located at different guide rollers respectively.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages：
The present invention is used for the lapping device of round conductor in medium and high voltage cable, and it is achieved by installing a lapping device additional
Central core blocks water, and many layers pass through to have installed additional and block water creel and decile loose thread device achieves water blocking yarn between monofilament and uniformly fills out
Enter, thus having reached the effect blocking water, product resistance and block-water performance agreement with experimental national standard.
Brief description
Brief description
Accompanying drawing 1 be longitudinal water-blocking technique of the present invention based on lapping device structural representation one；
Accompanying drawing 2 be longitudinal water-blocking technique of the present invention based on lapping device structural representation two；
Accompanying drawing 3 is partial enlargement structural representation at A in accompanying drawing 2；
Accompanying drawing 4 is medium and high voltage cable structural representation of the present invention；
Accompanying drawing 5 is lapping device of the present invention medium dividing sinker header structure schematic diagram；
Accompanying drawing 6 is the right view of accompanying drawing 5.
In the figures above：1st, cage frame；2nd, rotary shaft；3rd, Bearning mechanism；31st, bearing block；32nd, bearing；4th, big wire circle
Disk；5th, it is combined separated time head；6th, decile loose thread；7th, monofilament disk；8th, yarn disk；9th, little wire disk；91st, the first little wire disk；92nd,
Two little wire disks；10th, through hole；11st, guide roller；12nd, medium and high voltage cable；13rd, circle presses water-blocking conductor；14th, conductor shield；
15th, inner restrictive coating；16th, external sheath layer；161st, the first high-density polyethylene layer；162nd, nylon layer；163rd, the second high-density polyethylene
Alkene layer；17th, insulation screen；18th, waterstop；19th, copper strip shielding layer.
Specific embodiment
Embodiment：A kind of lapping device for round conductor in medium and high voltage cable, including cage frame 1, rotary shaft 2, axle
Hold mechanism 3, big wire disk 4, compound separated time head 5 and decile loose thread 6, in described cage frame 1 postmedian, several are installed and twine
The yarn disk 8 of several winding water blocking yarns, described rotation are installed in the monofilament disk 7 of metal monofilament, described cage frame 1 front portion
Axle 2 is sequentially embedded cage frame 1, Bearning mechanism 3, big wire disk 4, compound separated time head 5 and the respective center of decile loose thread 6,
Described Bearning mechanism 3 is made up of bearing block 31 and bearing 32, and described rotary shaft 2 embeds in bearing 32, described big wire disk 4 He
Compound separated time head 5 is both secured in rotary shaft 2, and in 2 little wire disks 9, the first little wire disk 91 is located at big wire disk 4 and axle
Hold between mechanism 3, in 2 little wire disks 9, the second little wire disk 92 is located between big wire disk 4 and compound separated time head 5, described
Decile loose thread 6 is installed on compound separated time head 5 outer end center, and the diameter of these dividing sinker heads 6 is less than the diameter of compound separated time head 5,
Described bearing 32, compound separated time head 5 and decile loose thread 6 are evenly distributed with several along its respective circumference and supply metal monofilament or resistance
The through hole 10 that water yarn passes through, described first little wire disk 91, big wire disk 4, the second little wire disk 92 circumferentially all has point
It is furnished with several guide rollers 11；
Described metal monofilament sequentially passes through the through hole 10 of bearing 32, the guide roller 11 of the first little wire disk 91, big wire circle
The guide roller 11 of disk 4, the guide roller of the second little wire disk 92, the through hole 10 of compound separated time head 5, described water blocking yarn sequentially passes through axle
Hold 32 through hole 10, the guide roller 11 of the first little wire disk 91, the guide roller 11 of big wire disk 4, the second little wire disk 92
Guide roller 11, the compound through hole of separated time head 5 and the through hole of decile loose thread 6；Described cage frame 1, rotary shaft 2, bearing 32, big wire
4,2 little wire disks 9 of disk, compound separated time head 5 and decile loose thread 6 high-speed rotation, thus successively by wire and the skein that blocks water
Together in center conductor silk outer surface, form described conductor layer No.1, the second conductor layer and privates layer.
Above-mentioned metal monofilament and water blocking yarn extend through difference in the through hole 10 of bearing 32, the through hole 10 of compound separated time head 5
Through hole 10, guide roller 11 in the first little wire disk 91 of described metal monofilament and water blocking yarn, the guide roller of big wire disk 4
11st, the guide roller 11 of the second little wire disk 92 is located at different guide rollers 11 respectively.
Above-mentioned external sheath layer 16 further includes the first high-density polyethylene layer 161, nylon layer 162 and second from inside to outside
High-density polyethylene layer 163.
Cable Construction Design：Water repellent electric cable is mainly by water-blocking conductor, conductor shielding, XLPE insulation, insulation shielding, semiconductive
Waterstop, brass wire shielding, two-sided waterstop, high density polyethylene (HDPE) inner sheath, nylon, high-density polyethylene outer sheath composition.Resistance
Water power cable structure is shown in accompanying drawing one.
Water-blocking conductor structure arrangement mode：1+6+12+18+24.
Central core：By installing a lapping device additional, wrapped two water blocking yarns of spiral on central hair.
6 layers：From 12 frames, 6 monofilament are separately mounted on rear 6 frames, front 6 frames respectively install the creel that blocks water additional
Axle, after-combustion 6 disk water blocking yarn, then 6 good for after-combustion disk water blocking yarns are separately fixed on 6 water blocking yarn axles.In monofilament and blocking water
Yarn enters to converge to install before line mould the decile loose thread device in 6 holes, and water blocking yarn can be evenly distributed in adjacent two by this device
In root monofilament gap.
12 layers：From 18 frames, 12 monofilament are separately mounted on rear 12 frames, front 6 frames respectively install one additional and block water
Creel axle, after-combustion 12 disk water blocking yarn, each water blocking yarn axle is put two disk water blocking yarns, is separated with alignment pin in the middle of yarn disk and yarn disk,
Prevent disk from blocking when rolling with disk.The decile loose thread device in one 12 hole is installed before monofilament and water blocking yarn enter to converge line mould, blocks water
Yarn can be evenly distributed in adjacent two monofilament gaps by this device.
18 layers：From 24 frames, 18 monofilament are separately mounted on rear 18 frames, front 6 frames respectively install one additional and block water
Creel axle, after-combustion 18 disk water blocking yarn, each water blocking yarn axle is put three disk water blocking yarns, is separated with alignment pin in the middle of yarn disk and yarn disk,
Prevent disk from blocking when rolling with disk.The decile loose thread device in one 18 hole is installed before monofilament and water blocking yarn enter to converge line mould, blocks water
Yarn can be evenly distributed in adjacent two monofilament gaps by this device.
24 layers：From 30 frames, 24 monofilament are separately mounted on rear 24 frames, front 6 frames respectively install one additional and block water
Creel axle, after-combustion 24 disk water blocking yarn, each water blocking yarn axle is put four disk water blocking yarns, is separated with alignment pin in the middle of yarn disk and yarn disk,
Prevent disk from blocking when rolling with disk.The decile loose thread device in one 24 hole is installed before monofilament and water blocking yarn enter to converge line mould, blocks water
Yarn can be evenly distributed in adjacent two monofilament gaps by this device.
The creel device that blocks water is made up of creel axle, thimble head and alignment pin.Creel axle is a hollow iron pipe, and one end is pushed up
Pin is ined succession axle, and other end thimble can load and unload, and is that water blocking yarn disk good for after-combustion is arranged on creel axle, Ran Houyong
Alignment pin fixes water blocking yarn disk, then will removably the hollow iron pipe of one end thimble insertion be arranged on frame, and yarn disk can be according to need
Want adjustment plate number.
Decile loose thread device is mounted in the place that monofilament enters to converge before line mould with water blocking yarn, by this device, water blocking yarn is equal
Even is distributed in adjacent monofilament gap, and decile loose thread device, according to the radical needs of yarn, makes the decile loose thread of different hole counts
Device.Each water blocking yarn hole is equipped with bakelite mould, it is to avoid water blocking yarn is directly damaged with friction rail.3 are had on decile loose thread device
Locate uniform cannelure, can be with rotary fine adjustment.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention
Equivalence changes or modification that spirit is made, all should be included within the scope of the present invention.
Claims (1)
1. a kind of lapping device for round conductor in medium and high voltage cable it is characterised in that：Including cage frame（1）, rotary shaft
（2）, Bearning mechanism（3）, big wire disk（4）, compound separated time head（5）With decile loose thread（6）, described cage frame（1）Postmedian
The monofilament disk of several winding metal monofilament is inside installed（7）, described cage frame（1）In front portion, several windings are installed to block water
The yarn disk of yarn（8）, described rotary shaft（2）It is sequentially embedded cage frame（1）, Bearning mechanism（3）, big wire disk（4）, compound point
The end of a thread（5）With decile loose thread（6）Respective center, described Bearning mechanism（3）By bearing block（31）And bearing（32）Composition, institute
State rotary shaft（2）Embedded bearing（32）Interior, described big wire disk（4）With compound separated time head（5）It is both secured to rotary shaft（2）
On, 2 little wire disks（9）In the first little wire disk（91）Positioned at big wire disk（4）With Bearning mechanism（3）Between, 2 little to lead
Drum（9）In the second little wire disk（92）Positioned at big wire disk（4）With compound separated time head（5）Between, described decile loose thread（6）
It is installed on compound separated time head（5）Outer end center, these dividing sinker heads（6）Diameter be less than compound separated time head（5）Diameter, described
Bearing（32）, compound separated time head（5）With decile loose thread（6）Along its respective circumference be evenly distributed with several supply metal monofilament or
The through hole that water blocking yarn passes through（10）, described first little wire disk（91）, big wire disk（4）, the second little wire disk（92）Upper edge
Circumference is evenly distributed with several guide rollers（11）；
Described metal monofilament sequentially passes through bearing（32）Through hole（10）, the first little wire disk（91）Guide roller（11）, lead greatly
Line disk（4）Guide roller（11）, the second little wire disk（92）Guide roller, compound separated time head（5）Through hole（10）, described resistance
Water yarn sequentially passes through bearing（32）Through hole（10）, the first little wire disk（91）Guide roller（11）, big wire disk（4）Lead
Line wheel（11）, the second little wire disk（92）Guide roller（11）, compound separated time head（5）Through hole and decile loose thread（6）Through hole；
Described cage frame（1）, rotary shaft（2）, bearing（32）, big wire disk（4）, 2 little wire disks（9）, compound separated time head（5）With
Decile loose thread（6）High-speed rotation, thus successively by stranded to wire and water blocking yarn in center conductor silk outer surface, forming first and lead
Line layer, the second conductor layer and privates layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263988.5A CN104992791B (en) | 2015-05-22 | 2015-05-22 | Wrapping device used for circle conductor in middle and high voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263988.5A CN104992791B (en) | 2015-05-22 | 2015-05-22 | Wrapping device used for circle conductor in middle and high voltage cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104992791A CN104992791A (en) | 2015-10-21 |
| CN104992791B true CN104992791B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510263988.5A Active CN104992791B (en) | 2015-05-22 | 2015-05-22 | Wrapping device used for circle conductor in middle and high voltage cable |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3832215A (en) * | 1971-06-21 | 1974-08-27 | Western Electric Co | Methods of manufacturing waterproof cable |
| JPS5820084B2 (en) * | 1974-04-09 | 1983-04-21 | 住友電気工業株式会社 | Manufacturing method of watertight cable |
| CN2672812Y (en) * | 2004-01-21 | 2005-01-19 | 合肥神马电缆机械股份有限公司 | Crawling traction disc twisted cable machine |
| CN101358433B (en) * | 2008-09-12 | 2011-07-20 | 玉溪玉杯金属制品有限公司 | Stress eliminating device |
| CN201435274Y (en) * | 2009-04-29 | 2010-03-31 | 钱永义 | Lapping device of fork wringing machine |
| CN204066885U (en) * | 2014-07-22 | 2014-12-31 | 徐飞林 | The roll-in wire agency of bunch frame winch |
| CN104091654B (en) * | 2014-08-06 | 2016-03-02 | 重庆泰山电缆有限公司 | A kind of electric cable with large cross-section conductor strand method processed |
| CN204204514U (en) * | 2014-10-20 | 2015-03-11 | 张艳艳 | One can carry out surface-treated stranded wire apparatus |
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