CN104700965B - Preparation method and compacting stranding device of compacting soft structure conductor - Google Patents

Preparation method and compacting stranding device of compacting soft structure conductor Download PDF

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Publication number
CN104700965B
CN104700965B CN201510116646.0A CN201510116646A CN104700965B CN 104700965 B CN104700965 B CN 104700965B CN 201510116646 A CN201510116646 A CN 201510116646A CN 104700965 B CN104700965 B CN 104700965B
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conductor
soft structure
pinch roller
pressure wheel
press
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CN104700965A (en
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葛永新
皇凤娟
顾小刚
周佳龙
辅志辉
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ZTT TECHNOLOGY EQUIPMENT CABLE Co.,Ltd.
Jiangsu Zhongtian Technology Co Ltd
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ZHONGTIAN TECHNOLOGY EQUIPMENT CABLE Co Ltd
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Abstract

The invention discloses a preparation method and a compacting stranding device of a compacting soft structure conductor. The preparation method and the compacting stranding device of the compacting soft structure conductor are used to prepare the compacting soft structure conductor formed by stranding at least one cable conductor and plied yarns in unidirectional mode. Nonwovens and a wrapping belt such as a metal belt, a semi-conductive belt, a fireproof belt and a waterproof belt wrap the exterior of the compacting soft structure conductor. The preparation method and the compacting stranding device of the compacting soft structure conductor solve the problems that an existing incongruous stranded conductor is not compact in structure and large in external diameter, leaves out a cabling filling step through special sector and tile structures, decreases the external diameter of a cable, and reduces the weight of the cable. Simultaneously, Due to the unidirectional stranding structure of the compacting soft structure conductor, bending performance, especially torsion resistance of the compacting soft structure conductor is greatly improved, and when the compacting soft structure conductor is twisted for 10000 times by +/- 1440 degrees at room temperature, filaments of the compacting soft structure conductor can not be broken, and change value of resistance of the compacting soft structure conductor is less than or equal to 4%.

Description

A kind of preparation method for pressing soft structure conductor and its press stranding device
Technical field
The present invention relates to a kind of preparation method for pressing soft structure conductor and its press stranding device, more particularly to one kind is led The hard-packed preparation method for pressing soft structure conductor of body and press stranding device.
Background technology
Existing power transmission and distribution soft structure conductor foundation IEC 60228-2004 and GB/T 3956-2008 standards, the wherein the 5th Plant conductor nominal section 0.5mm2-630mm2, the 6th kind of conductor nominal section is 0.5mm2-300mm2.In actual production process 6mm2And a bundle strand mode is adopted with lower conductor;10mm2And with upper conductor due to increase and the monofilament radical of monofilament external diameter Increase, it is impossible to disposable stranded, need bundle strand strand is twisted into conductor by strand then first;Incorgruous stranded mode is adopted simultaneously: That is the adjacent layer direction of lay of conductor is incorgruous, and the direction of lay of strand is incorgruous with conductor strand direction, and incorgruous conductor is due to adjacent The direction of lay of layer causes cable entire outer diameter larger conversely, inside has larger space;The surface open strand marking, conductor without Method is accomplished smooth;Simultaneously because the elongated resistance in path that space presence causes electric current to pass through is relatively large, it is unfavorable for material Saving utilize, as shown in Figure 1.Adopt circular configuration more simultaneously conductor, need with gasket for packing or filling during production multicore cable Space between bar filling insulation, so cause the outside diameter of cable increase and cable weight than larger, as shown in Figure 2.
The content of the invention
The technical problem to be solved is to provide a kind of its preparation method for pressing soft structure conductor and presses strand Attach together and put, with obtain conductor structure it is tight the characteristics of.
One kind is pressed soft structure conductor and is formed by least one cable conductor and strand are stranded in the same direction, and described presses soft junction Swathe non-woven fabrics, metal tape or semi-conductive tape, fire resistant belt, waterstop and band outside structure conductor successively, and described press soft junction The cross section of structure conductor is circle, one or more in 180 ° of sectors, 120 ° of sectors, 90 ° of sectors, 90 ° of shoes, 100 ° of shoes Combination, it is described press soft structure conductor be combined as 2 cores, 3 cores, 4 cores, 3+1 cores, 5 cores, 4+1 cores or 3+2 cores, it is described to press The section of soft structure conductor is 10-630 mm2
For solve prepare it is above-mentioned press soft structure conductor, the technical scheme is that:
It is a kind of press soft structure conductor press stranding device, it is stranded by least one cable conductor and strand for pressing In the same direction stranded to press soft structure conductor, concrete structure includes:
Support, the support are bolted on the workbench between stranded head and band twining package tape, and the support front In door font;
Press stranding device, the stranding device that presses includes upper pressure wheel component and is located at immediately below the upper pressure wheel component Push wheel assembly, the upper pressure wheel component includes upper pressure wheel bearing rod, is fixedly connected on the pressure at the upper pressure wheel bearing rod two ends Wheel slide block, be connected to the upper pressure wheel on the upper pressure wheel bearing rod by bearing, and the pinch roller slide block empty set described in door On described in the support of font;The wheel assembly that pushes is included lower pressure wheel bearing rod, is connected to by bearing and described pushes wheel bearing Lower pressure wheel on bar, and the two ends of the lower pressure wheel bearing rod are connected on described in the support in door font;Wait to press stranded Press soft structure conductor be located between the upper pressure wheel and the lower pressure wheel;
The upper and lower adjusting means of pinch roller slide block, the upper and lower adjusting means of the pinch roller slide block include that central axis is vertically arranged and position Pinch roller gear, two pressures for being symmetrically distributed in the pinch roller gear both sides and engaging with the pinch roller gear above the support Wheel travelling gear, the pinch roller that one end is fixed on the pinch roller gear and the other end is threaded on the support adjust spiral shell Bolt, one end are fixed on the other end on the pinch roller travelling gear and are connected to the pinch roller bolt on the pinch roller slide block.
Simultaneously additionally provide a kind of preparation method for pressing soft structure conductor, for prepare by least one cable conductor with Strand is in the same direction stranded to press soft structure conductor, specifically includes following steps:
Single head wire drawing preparation technology:First the copper purchased, copper alloy, aluminum and aluminium alloy rod are drawn in single head Then middle monofilament is drawn into the hard monofilament for meeting that external diameter is wanted through little by middle monofilament, and hard monofilament is through tubular annealing stove Annealing obtain meet elongation at break, the soft monofilament that intensity and resistivity are required, soft monofilament radical as requested with And arrangement mode is stranding into strand;Or be drawn into using La Lianlalian backwards in single head meet elongation at break, intensity with And the soft monofilament that resistivity is required, soft monofilament radical as requested and arrangement mode are stranding into strand;
Many-headed wire preparation technology:Using multiple drawing machine Lian Lalian backwards produce many meet elongation at break, The soft monofilament doubling that intensity and resistivity are required, according to the difference of cable specification, several bursts of doublings can also be twisted into and strands Line;
The preparation of conductor:
For many-headed wire directly prepares conductor:By strand or doubling strand according to certain quantity and arrangement mode, profit Satisfactory conductor is stranding into wire twisting machine and shaped device;
Single head wire drawing or many-headed wire layering are pressed and stranded prepares conductor:The direction of lay of wire twisting machine and the strand of strand Close direction consistent, and adopt when each layer is stranded wolfram steel or diamond compressing mold that conductor compacting is reduced the sky between soft monofilament Gap, reduced outside diameter improve surface roundness and smoothness, for circular configuration conductor need not be using shaped device be pressed, for need Want the conductor of wrapped band carry out the wrapped of band using the subsidiary winding machine of wire twisting machine;
For the preparation of the conductor that cross section is fan-shaped and shoe:Shaped device will be pressed first and be positioned over conductor strand head Below, round conductor it has been twisted into and has been positioned over and pressed between the upper pressure wheel in shaped device and lower pressure wheel, by turns pinch roller Set screw finally drives upper pressure wheel to move up and down, and realizes that fan-shaped and shoe conductor is satisfactory and presses molding;
For the preparation of the conductor for needing wrapped band, the wrapped of band can be carried out using the subsidiary winding machine of line machine.
It is an advantage of the current invention that:It is of the invention main using the stranded space reduced between conductor single line in the same direction, to per layer Conductor after stranded is pressed using compressing mold further reduce conductor diameter;For multicore cable adopts special after stranded Briquetting roller be pressed into the shape of regulation.Instant invention overcomes original incorgruous stranded conductor internal voids are big, external diameter is big, surface twists The obvious problem of the marking is closed, closely, external diameter is little for conductor structure of the present invention, bending property and resistance to twisting property have obtained very big carrying Height, rationally make use of the space of cable, is reduced cable using fan-shaped and shoe structure with conductor especially for multicore cable External diameter and weight, saved the manufacturing of cable, transported and laid expense, be made that weight for building a conservation-minded society Contribution.Strand direction of lay of the invention is consistent with conductor strand, adjacent layer conductor strand direction is consistent;Simultaneously in each layer Pressed using compressing mold pair twist conductor when stranded:The compactness of conductor, reduced outside diameter can be improved;Conductor can be improved The smoothness on surface, prevents damage of the conductor to insulating;The stability of conductor can be improved.
The present invention solves the problems, such as existing incorgruous stranded conductor structure, and tight, external diameter is big;By it is special fan-shaped and watt Shape structure eliminates the filling of stranding, and the external diameter of cable is reduced, the weight of cable is mitigated.The present invention is adopted simultaneously Lay configuration in the same direction, the bending property of conductor are particularly resistance to twisting property and are greatly improved, and reverse 10000 at room temperature It is secondary(±1440°), conductor monofilament do not occur fracture;And changing value≤4% of conductor resistance.
Description of the drawings
Further detailed description is done to the present invention with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of traditional incorgruous the first scheme of conductor.
Fig. 2 is the structural representation of traditional incorgruous conductor second scheme.
Fig. 3 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of body the first version.
Fig. 4 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of second version of body.
Fig. 5 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of body the third version.
Fig. 6 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of the 4th kind of version of body.
Fig. 7 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of the 5th kind of version of body.
Fig. 8 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of the 6th kind of version of body.
Fig. 9 is to press soft structure during one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranding device to lead The schematic diagram of the 7th kind of version of body.
Figure 10 is that one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses soft structure in pressing stranding device The schematic diagram of the 8th kind of version of conductor.
Figure 11 is that one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses soft structure in pressing stranding device The schematic diagram of the 9th kind of version of conductor.
Figure 12 is that one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses soft structure in pressing stranding device The schematic diagram of the tenth kind of version of conductor.
Figure 13 is that one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses soft structure in pressing stranding device A kind of the tenth schematic diagram of version of conductor.
Figure 14 is that one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses soft structure in pressing stranding device The schematic diagram of the 12nd kind of version of conductor.
Figure 15 is that one kind of the present invention is pressed soft structure conductor and preparation method thereof and presses stranded dress in pressing stranding device Put the schematic diagram of structure.
Figure 16 is that the present invention is a kind of to press soft structure conductor and preparation method thereof and presses preparation method in stranding device Flow chart.
In figure:1- supports, 2- upper pressure wheel bearing rods, 3- pinch roller slide blocks, 4- upper pressure wheels, 5- lower pressure wheel bearing rods, 6- are pushed Wheel, 7- pinch roller gears, 8- pinch roller travelling gears, 9- pinch roller regulating bolts, 10- pinch roller bolts.
Specific embodiment
The soft structure conductor that presses being related in the present invention is formed by least one cable conductor and strand are stranded in the same direction, and Press, non-woven fabrics, Metal tape or semi-conductive tape, fire resistant belt, waterstop can play a part of to tighten conductor and meet properties of product requirement.In addition, The cross section for wherein pressing soft structure conductor is circle, in 180 ° of sectors, 120 ° of sectors, 90 ° of sectors, 90 ° of shoes, 100 ° of shoes One or more of combination, and its compound mode is 2 cores, 3 cores, 4 cores, 3+1 cores, 5 cores, 4+1 cores or 3+2 cores, described to press The section of soft structure conductor is 10-630 mm2, specifically as shown in Fig. 3 to Figure 14.
For single-core cable conductor adopts circular configuration, as shown in Figure 3;In Fig. 4, the cross section of conductor is 180 ° fan-shaped; In Fig. 5, the cross section of conductor is 120 ° fan-shaped;In Fig. 6, the cross section of conductor is 90 ° fan-shaped;In Fig. 7, the cross section of conductor is 90 ° Shoe;In Fig. 8, the cross section of conductor is 100 ° of shoes;Press soft structure conductor to combine using 2 cores in Fig. 9, using 2 cross sections Combine for 180 ° of sectors;Press soft structure conductor to combine using 3 cores in Figure 10,3 cross sections are adopted for 120 ° of fan-shaped groups Conjunction is formed;Press soft structure conductor to combine using 4 cores in Figure 11, adopt 4 cross sections to combine for 90 ° of sectors;In Figure 12 Press soft structure conductor to combine using 4+1 cores, it is that 90 ° of shoes and 1 cross section are formed for circular combination to adopt 4 cross sections; Press soft structure conductor to combine using 3+1 cores in Figure 13, to adopt 3 cross sections be 90 ° of sectors and 1 cross section for circle combination Into;Press soft structure conductor to combine using 3+2 cores in Figure 14, it is that 90 ° of shoes and 2 cross sections are round group to adopt 3 cross sections Conjunction is formed.
Of the present invention presses stranding device, as shown in figure 15, including:
Support 1, support 1 are bolted on the workbench between stranded head and band twining package tape, and 1 front of support is in Door font;
Press stranding device, pressing stranding device includes 4 component of upper pressure wheel and pushing immediately below 4 component of upper pressure wheel 6 components are taken turns, 4 component of upper pressure wheel includes 4 bearing rod 2 of upper pressure wheel, is fixedly connected on the pinch roller cunning at 4 bearing rod of upper pressure wheel, 2 two ends Block 3, the upper pressure wheel 4 being connected to by bearing on 4 bearing rod 2 of upper pressure wheel, and 3 empty set of pinch roller slide block is in the support 1 in door font On;6 component of lower pressure wheel includes 6 bearing rod 5 of lower pressure wheel, the lower pressure wheel 6 being connected to by bearing on 6 bearing rod 5 of lower pressure wheel, and should The two ends of 6 bearing rod 5 of lower pressure wheel are connected on the support 1 in door font;Wait to press it is stranded press soft structure conductor be located at it is upper Between pinch roller 4 and lower pressure wheel 6;
Pinch roller slide block adjusting means about 3, pinch roller slide block about 3 adjusting means include that central axis is vertically arranged and is located at Pinch roller gear 7, the two pinch roller travelling gears for being symmetrically distributed in 7 both sides of pinch roller gear and engaging with pinch roller gear 7 above support 1 8th, the pinch roller regulating bolt 9, one end that one end is fixed on pinch roller gear 7 and the other end is threaded on support 1 is fixed on pressure On wheel travelling gear 8, the other end is connected to the pinch roller bolt 10 on pinch roller slide block 3.
180 ° of arcuate grooves, 6 pressure-bearing of lower pressure wheel are provided with 4 pressure-bearing surface of upper pressure wheel used by wherein 180 ° sector structure conductors Face is face wheel;Arcuate groove is provided with 4 pressure-bearing surface of upper pressure wheel used by 120 ° of sector structure conductors, on 6 pressure-bearing surface of lower pressure wheel It is provided with 120 ° of V-grooves;Arcuate groove, 6 pressure-bearing surface of lower pressure wheel are provided with 4 pressure-bearing surface of upper pressure wheel used by 90 ° of sector structure conductors On be provided with 90 ° of V-grooves;90 ° of arcuate grooves, lower pressure wheel 6 are provided with 4 pressure-bearing surface of upper pressure wheel used by 90 ° of shoe configuration conductors to hold Be provided with 90 ° of shoe grooves on pressure surface, be provided with 4 pressure-bearing surface of upper pressure wheel used by 100 ° of shoe configuration conductors 100 ° of arcuate grooves, under 100 ° of shoe grooves are provided with 6 pressure-bearing surface of pinch roller.
The size of above-mentioned pinch roller must according to cross-sectional area of conductor, the core number of conductor, conductor band thickness, the thickness of insulation and The structure careful design of conductor, while pinch roller processing must carry out polish using Digit Control Machine Tool to mould, it is ensured that die size It is consistent with design.
For avoiding monofilament being broken as the excessively soft rough surface for causing in pressure-bearing surface rough surface or surface is weighed wounded, affect conductor Surface quality, upper pressure wheel, lower pressure wheel pressure-bearing surface are polished and heat treatment is hardened.
A kind of preparation method for pressing soft structure conductor, as shown in figure 16, above-mentioned presses soft structure conductor for preparing Comprise the following steps:
Single head wire drawing preparation technology:First the copper purchased, copper alloy, aluminum and aluminium alloy rod are drawn in single head Then middle monofilament is drawn into the hard monofilament for meeting that external diameter is wanted through little by middle monofilament, and hard monofilament is through tubular annealing stove Annealing obtain meet elongation at break, the soft monofilament that intensity and resistivity are required, soft monofilament radical as requested with And arrangement mode is stranding into strand;Or be drawn into using La Lianlalian backwards in single head meet elongation at break, intensity with And the soft monofilament that resistivity is required, soft monofilament radical as requested and arrangement mode are stranding into strand;
Many-headed wire preparation technology:Using multiple drawing machine Lian Lalian backwards produce many meet elongation at break, The soft monofilament doubling that intensity and resistivity are required, according to the difference of cable specification, several bursts of doublings can also be twisted into and strands Line;
The preparation of conductor:
For many-headed wire directly prepares conductor:By strand or doubling strand according to certain quantity and arrangement mode, profit Satisfactory conductor is stranding into wire twisting machine and shaped device;
Single head wire drawing or many-headed wire layering are pressed and stranded prepares conductor:The direction of lay of wire twisting machine and the strand of strand Close direction consistent, and adopt when each layer is stranded wolfram steel or diamond compressing mold that conductor compacting is reduced the sky between soft monofilament Gap, reduced outside diameter improve surface roundness and smoothness, for circular configuration conductor need not be using shaped device be pressed, for need Want the conductor of wrapped band carry out the wrapped of band using the subsidiary winding machine of wire twisting machine;
For the preparation of the conductor that cross section is fan-shaped and shoe:Shaped device will be pressed first and be positioned over conductor strand head Below, round conductor it has been twisted into and has been positioned over and pressed between the upper pressure wheel in shaped device and lower pressure wheel, by turns pinch roller Set screw finally drives upper pressure wheel to move up and down, and realizes that fan-shaped and shoe conductor is satisfactory and presses molding;
For the preparation of the conductor for needing wrapped band, the wrapped of band can be carried out using the subsidiary winding machine of line machine.
Above one embodiment of the invention is described in detail, but content has been only the preferable of the invention Embodiment, it is impossible to be considered as the practical range for limiting the invention.It is all according to the invention application range made it is equal Deng change and improvement etc., belong within the patent covering scope of the invention.

Claims (3)

1. it is a kind of press soft structure conductor press shaped device, twisted by many strands or doubling in the same direction for pressing molding one kind That what is closed presses soft structure conductor, it is characterised in that include:
Support, the support are bolted on the workbench between stranded head and band twining package tape, and the support front is in door Font;
Press stranding device, it is described press stranding device include upper pressure wheel component and immediately below the upper pressure wheel component under Pinch roller assembly, the upper pressure wheel component include upper pressure wheel bearing rod, are fixedly connected on the pinch roller cunning at the upper pressure wheel bearing rod two ends Block, be connected to the upper pressure wheel on the upper pressure wheel bearing rod by bearing, and the pinch roller slide block empty set described in door font Support on;It is described to push under wheel assembly included lower pressure wheel bearing rod, is connected on the lower pressure wheel bearing rod by bearing Pinch roller, and the two ends of the lower pressure wheel bearing rod are connected on the support in door font;Wait to press and stranded press soft structure Conductor is located between the upper pressure wheel and the lower pressure wheel;
The upper and lower adjusting means of pinch roller slide block, the upper and lower adjusting means of the pinch roller slide block include that central axis is vertically arranged and is located at institute Two pinch rollers stated the pinch roller gear above support, be symmetrically distributed in the pinch roller gear both sides and engaged with the pinch roller gear are passed Moving gear, one end are fixed on the pinch roller gear and the other end is threaded on the support pinch roller regulating bolt, one End is fixed on the other end on the pinch roller travelling gear and is connected to the pinch roller bolt on the pinch roller slide block.
2. it is according to claim 1 it is a kind of press soft structure conductor press shaped device, it is characterised in that:It is described to press The cross section of soft structure conductor is circle, the one kind in 180 ° of sectors, 120 ° of sectors, 90 ° of sectors, 90 ° of shoes, 100 ° of shoes or Various combinations, and area of section is 10-630mm2
3. it is according to claim 1 and 2 it is a kind of press soft structure conductor press shaped device, it is characterised in that:It is described Press soft structure conductor is combined as 2 cores, 3 cores, 4 cores, 3+1 cores, 5 cores, 4+1 cores or 3+2 cores.
CN201510116646.0A 2015-03-18 2015-03-18 Preparation method and compacting stranding device of compacting soft structure conductor Active CN104700965B (en)

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Application Number Priority Date Filing Date Title
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CN106653224B (en) * 2015-10-28 2019-04-26 合肥神马科技集团有限公司 A kind of stranding machine and its pretwist compacting device
KR102067125B1 (en) * 2018-03-16 2020-01-16 넥쌍 Flexible compact conductor

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CN100557722C (en) * 2006-12-23 2009-11-04 特变电工(德阳)电缆股份有限公司 Square-section stranded conductor and processing method thereof and device
CN101271742B (en) * 2008-04-18 2012-01-04 江苏中超电缆股份有限公司 Compacted conducting wire and its production method and forming device
CN204424009U (en) * 2015-03-18 2015-06-24 中天科技装备电缆有限公司 A kind of press soft structure conductor press stranding device

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