CN103854735B - Drag chain cable - Google Patents
Drag chain cable Download PDFInfo
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- CN103854735B CN103854735B CN201410078781.6A CN201410078781A CN103854735B CN 103854735 B CN103854735 B CN 103854735B CN 201410078781 A CN201410078781 A CN 201410078781A CN 103854735 B CN103854735 B CN 103854735B
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Abstract
The present invention relates to a kind of drag chain cable, including conductor sandwich layer, insulating barrier, inner restrictive coating, braid, nonwoven layer and external sheath layer.Described insulating barrier is coated with described conductor sandwich layer.It is peripheral that described inner restrictive coating is arranged at described insulating barrier.Described braid is coated with described inner restrictive coating.Described nonwoven layer is around being wrapped in described braid.Described external sheath layer is coated with described nonwoven layer.The drag chain cable non-deformability of the present invention is strong, shielding properties good, long service life, excellent electrical properties.
Description
Technical field
The present invention relates to cable technology, be specifically related to a kind of drag chain cable.
Background technology
Drag chain cable, it is adaptable to all kinds of lathes such as Digit Control Machine Tool, machining center, automated machine and production line, robot, Transport Machinery, measurement instrument, Handling device and other drive control as electric wire, cable liquid, gas flexible pipe preventer.
In the eighties in last century, the U.S. it is proposed that research and development " suitable solution " machine tool accessories, but due to many automatizatioies link as automatically detected, being automatically adjusted, automatically compensation etc. be not solved by, though there being various test, but progress is slower.Later in electrical process machine (EDM), first achieve " suitable solution ", by discharging gap, working process parameter are automatically selected and regulated, to improve machine finish, efficiency and automatization.The intelligent machine tool that first Japan's MAZAK corporation in 2006 JIUYUE is put on display, has been greatly advanced a step to " suitable solution " drag chain equipment aspect of future ideality.
In recent years, cable industry demand will maintain steady growth, and drag chain cable annual value of production has reached 900,000,000,000 yuan.Cable manufacturing enterprise of current China is more than more than 7000 families, and employee is more than 700,000 people.China's Cable industry has surmounted the U.S., Japan, Europe become the big cable manufacturing country of the first in the world.Famous foreign electric wire company just arrives that state is joint to found the factory one after another, since the eighties in last century.The gloomy company of such as Nike in Shanghai, Kunshan, Tianjin have joint or solely foreign-invested company.Front 60 manufacturers of the current world rankings of cable-pulling chain invest in China, and wherein 30 manufacturers at least have a cable factories, and this means that high pressure and extra-high-tension cable market are almost monopolized by overseas-funded enterprise entirely.The production domesticization of high tension cable will reduce China's high tension cable and the difference abroad gone together in manufacture level, and drag chain cable improves the profit predicament of current local business；It is expected to break foreign capitals drag chain cable industry simultaneously and monopolizes the situation in China's power equipment market for many years.In the development course of following cable-pulling chain industry, the prescription of product is constantly increased by user, and meanwhile this time period is also during the high speed development of drag chain cable industry, and the monopolization to domestic cable industry of the enterprise of foreign enterprise is broken in common progress.
High strength overlong distance towline control cable moves on equipment the drag chain connecting line for control station and experimental facilities mainly as high intensity, distance.Being suitably mounted to bending radius little, distance frequently drags, the occasion of low temperature.But.Current drag chain cable general structure is adopt soft PVC insulation and the insulation of soft PVC sheath, and its shortcoming is when working long hours, heart yearn extrusion, insulated hull is damaged, braid shielded net breakage affects shielding properties, and service life is short, and has a strong impact on electric property.
Summary of the invention
In view of this, it is desirable to provide a kind of non-deformability is strong, shielding properties good, the drag chain cable of long service life, excellent electrical properties.
The adopted the following technical scheme that solution the problems referred to above of the present invention:
A kind of drag chain cable, including conductor sandwich layer, insulating barrier, inner restrictive coating, braid, nonwoven layer and external sheath layer.Described insulating barrier is coated with described conductor sandwich layer.It is peripheral that described inner restrictive coating is arranged at described insulating barrier.Described braid is coated with described inner restrictive coating.Described nonwoven layer is around being wrapped in described braid.Described external sheath layer is coated with described nonwoven layer.
Preferably, described conductor sandwich layer includes many flexible tinned copper wires and aramid fiber, and described many flexible tinned copper wires are stranded with described aramid fiber.
Preferably, the diameter that described flexible tinned copper wire is single is be more than or equal to 0.05mm and less than or equal to 0.15mm.
Preferably, in described many flexible tinned copper wires the difference of minimum with diameter piece that diameter is maximum less than or equal to 0.01mm.
Preferably, described insulating barrier is semi-rigid macromolecular thermoplastic elastomer layer.
Preferably, described inner restrictive coating is the thermoplastic elastomer of high flexibility.
Preferably, described braid includes many tin-coated copper ashbury metal copper foil wires, and diameter single in described many tin-coated copper ashbury metal copper foil wires is be more than or equal to 0.10mm and less than or equal to 0.25mm.
Preferably, in described many tin-coated copper ashbury metal copper foil wires the difference of minimum with diameter piece that diameter is maximum less than or equal to 0.04mm.
Preferably, described nonwoven layer includes internal layer and outer layer, and described internal layer is between described braid and described inner restrictive coating, and described outer layer is between described braid and described external sheath layer.
Preferably, described external sheath layer is low viscosity polyether polyurethane layer.
Compared with prior art, the drag chain cable of the present invention provides the benefit that:
The drag chain cable of the present invention utilizes insulating barrier coating conductor sandwich layer; inner restrictive coating is arranged at insulating barrier periphery; braid cladding inner restrictive coating; nonwoven layer is around being wrapped in braid; external sheath layer cladding nonwoven layer; the non-deformability that said structure improves drag chain cable is strong; nonwoven layer can alleviate the stress of braid; effectively prevent braid damaged; improve the shielding properties of braid; and adopt insulating barrier, inner restrictive coating and external sheath layer to protect so that service life is elongated, and there is excellent electric property.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the drag chain cable of first embodiment of the invention.
Fig. 2 is the schematic diagram of the drag chain cable of second embodiment of the invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, first embodiment of the invention provides a kind of drag chain cable, including conductor sandwich layer 10, insulating barrier 20, inner restrictive coating 30, braid 40, nonwoven layer 50 and external sheath layer 60.
Wherein, described insulating barrier 20 is coated with described conductor sandwich layer 10.It is peripheral that described inner restrictive coating 30 is arranged at described insulating barrier 20.Described braid 40 is coated with described inner restrictive coating 30.Described nonwoven layer 50 is around being wrapped in described braid 40.Described external sheath layer 60 is coated with described nonwoven layer 50.
Specifically, described conductor sandwich layer 10 includes many flexible tinned copper wires and aramid fiber.Described many flexible tinned copper wires are stranded with described aramid fiber, thus forming described conductor sandwich layer 10.Wherein, the diameter that described flexible tinned copper wire is single is be more than or equal to 0.05mm and less than or equal to 0.15mm.And, preferably, in described many flexible tinned copper wires, the difference of minimum with diameter piece that diameter is maximum is less than or equal to 0.01mm, namely, compared with the intermediate value of diameter in many flexible tinned copper wires, the tolerance of the diameter of single flexible tinned copper wire is ± 0.005mm.Described conductor sandwich layer 10, owing to adopting the high accuracy flexibility tinned copper wire of diameter above, can reach low-impedance requirement.Further, adopting many flexible tinned copper wires and described aramid fiber stranded, can improve the bending property of drag chain cable, under the environment that buckling work intensity is big, its service life is more than 10 times of common annealed copper wire.It is understood that the quantity of the flexible tinned copper wire quantity of described conductor sandwich layer 10 and described conductor sandwich layer 10, all can set according to required power transmission capacity.
Described insulating barrier 20 is semi-rigid macromolecular thermoplastic elastomer layer.The coefficient of friction of described semi-rigid macromolecular thermoplastic elastomer layer is little, and fricative thermal deformation is little, and when deforming, resume speed is fast, can active conductor sandwich layer 10 friction each other, improve service life.
Described inner restrictive coating 30 is the thermoplastic elastomer of high flexibility.The thermoplastic elastomer of described high flexibility can ensure flexibility and the thermal deformation behavior of drag chain cable.It is peripheral that described inner restrictive coating 30 takes shape in described insulating barrier 20 by squash type, makes described conductor sandwich layer 10 and insulating barrier 20 have enough spaces to deform upon, and concentrates thus reducing moulding stress, it is to avoid the problem that the breakage of described insulating barrier 20 causes short circuit.
Described braid 40 includes many tin-coated copper ashbury metal copper foil wires.Wherein, single in described many tin-coated copper ashbury metal copper foil wires diameter is be more than or equal to 0.10mm and less than or equal to 0.25mm.And, it is preferable that in described many tin-coated copper ashbury metal copper foil wires, the difference of minimum with diameter piece that diameter is maximum is less than or equal to 0.04mm.That is, compared with the intermediate value of diameter in many tin-coated copper ashbury metal copper foil wires, the tolerance of the diameter of single tin-coated copper ashbury metal copper foil wire is ± 0.04mm.Described braid 40 adopts many tin-coated copper ashbury metal copper foil wires of above-mentioned precision, not only has higher bending property, and shield effectiveness is excellent, extend the service life of drag chain cable simultaneously.
Described nonwoven layer 50 is around being wrapped in described braid 40 outer surface.After institute's nonwoven layer 50 is fitted with described braid 40; can in drag chain cable bending or the loading process such as stretching, and the described common stress of braid 40, thus reducing the stress of described braid 40; effectively protect described braid 40, it is prevented that braid 40 is damaged and affects shield effectiveness.Described nonwoven layer 50 is arranged between described braid 40 and described external sheath layer 60, also can strengthen the adhesion between described braid 40 and described external sheath layer 60, make structure between described braid 40 and described external sheath layer 60 more tight, improve drag chain cable overall closely performance and endurance quality.
Described external sheath layer 60 is low viscosity polyether polyurethane layer.Described low viscosity polyether polyurethane layer wearability is high, can protection drag chain cable in environment out of doors effectively.It is peripheral that described external sheath layer 60 takes shape in described nonwoven layer 50 by squash type or half squash type, described nonwoven layer 50 and described braid 40 can be made to have enough spaces to deform upon, concentrate thus reducing moulding stress, it is to avoid the problem that the breakage of described braid 40 causes signal disturbing.
Described drag chain cable adopts constant-tension to control cage winch when stranding, and cage winch can provide balanced laying tension, and can realize 100% back twist, thus suppressing internal core twisted together because of bending.
Referring to Fig. 2, second embodiment of the invention provides a kind of drag chain cable, and its a kind of drag chain cable major part provided with first embodiment is identical, and it is different in that, nonwoven layer 50 includes internal layer 52 and outer layer 54.Described internal layer 52 is between described braid 40 and described inner restrictive coating 30.Described outer layer 54 is between described braid 40 and described external sheath layer 60.The surfaces externally and internally of described braid 40 is fitted described internal layer 52 and outer layer 54 respectively; thus in the loading processes such as drag chain cable bending or stretching; described internal layer 52 and outer layer 54 can more effectively reduce the stress of described braid 40; the described braid 40 of more effective protection, it is prevented that braid 40 is damaged and affects shield effectiveness.Further, described internal layer 52 is arranged between described braid 40 and described inner restrictive coating 30, can strengthen the adhesion between described braid 40 and described inner restrictive coating 30, makes structure between described braid 40 and described inner restrictive coating 30 more tight；Described outer layer 54 is arranged between described braid 40 and described external sheath layer 60, can strengthen the adhesion between described braid 40 and described external sheath layer 60, makes structure between described braid 40 and described external sheath layer 60 more tight；Thus, this double layer design can more effectively improve drag chain cable overall closely performance and endurance quality.
Compared with traditional like product, the drag chain cable of the present invention is more soft, have fatigue resistance, the performance such as high pressure resistant, it is 10 times of cable overall diameters in bending radius, stroke distances is more than 2m, in the drag chain equipment of maximum translational speed 2m/s, conductor dislocation-free, broken string after lasting 30,000,000 drag chains, outward appearance is without playing a drum phenomenon.
The drag chain cable of the present invention utilizes insulating barrier coating conductor sandwich layer; inner restrictive coating is arranged at insulating barrier periphery; braid cladding inner restrictive coating; nonwoven layer is around being wrapped in braid; external sheath layer cladding nonwoven layer; the non-deformability that said structure improves drag chain cable is strong; nonwoven layer can alleviate the stress of braid; effectively prevent braid damaged; improve the shielding properties of braid; and adopt insulating barrier, inner restrictive coating and external sheath layer to protect so that service life is elongated, and there is excellent electric property.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (4)
1. a drag chain cable, it is characterized in that: described drag chain cable includes conductor sandwich layer (10), insulating barrier (20), inner restrictive coating (30), braid (40), nonwoven layer (50) and external sheath layer (60), described insulating barrier (20) is coated with described conductor sandwich layer (10), it is peripheral that described inner restrictive coating (30) is arranged at described insulating barrier (20), described nonwoven layer (50) includes internal layer (52) and outer layer (54), described internal layer (52) is positioned between described braid (40) and described inner restrictive coating (30), described outer layer (54) is positioned between described braid (40) and described external sheath layer (60), the surfaces externally and internally of described braid (40) is fitted described internal layer (52) and outer layer (54) respectively, described conductor sandwich layer (10) includes many flexible tinned copper wires and aramid fiber, described many flexible tinned copper wires are stranded with described aramid fiber, the single diameter of described flexible tinned copper wire is be more than or equal to 0.05mm and less than or equal to 0.15mm, described insulating barrier (20) is semi-rigid macromolecular thermoplastic elastomer layer, the thermoplastic elastomer that described inner restrictive coating (30) is high flexibility, described braid (40) includes many tin-coated copper ashbury metal copper foil wires, diameter single in described many tin-coated copper ashbury metal copper foil wires is be more than or equal to 0.10mm and less than or equal to 0.25mm.
2. drag chain cable according to claim 1, it is characterised in that: in described many flexible tinned copper wires, the difference of minimum with diameter piece that diameter is maximum is less than or equal to 0.01mm.
3. drag chain cable according to claim 1, it is characterised in that: in described many tin-coated copper ashbury metal copper foil wires, the difference of minimum with diameter piece that diameter is maximum is less than or equal to 0.04mm.
4. drag chain cable according to claim 1, it is characterised in that: described external sheath layer (60) is low viscosity polyether polyurethane layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078781.6A CN103854735B (en) | 2014-03-06 | 2014-03-06 | Drag chain cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078781.6A CN103854735B (en) | 2014-03-06 | 2014-03-06 | Drag chain cable |
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| CN103854735A CN103854735A (en) | 2014-06-11 |
| CN103854735B true CN103854735B (en) | 2016-06-29 |
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| CN201410078781.6A Active CN103854735B (en) | 2014-03-06 | 2014-03-06 | Drag chain cable |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513682A (en) * | 2014-09-26 | 2016-04-20 | 深圳市联嘉祥科技股份有限公司 | Circular shielding control towline cable and production method thereof |
| CN104681201A (en) * | 2015-03-25 | 2015-06-03 | 中特华星电缆股份有限公司 | Cable for industrial robots |
| CN104835563A (en) * | 2015-04-15 | 2015-08-12 | 江苏奥林特梯缆有限责任公司 | Highly-flexible wear-resistant bending-resistant robot encoder cable |
| CN106205823A (en) * | 2015-04-30 | 2016-12-07 | 江苏奥林特梯缆有限责任公司 | High soft wear-resisting robot interconnection cable |
| CN105070358A (en) * | 2015-08-14 | 2015-11-18 | 昆山信昌电线电缆有限公司 | High flexibility wear resisting flame retardation industrial chain cable |
| CN105427938A (en) * | 2015-12-31 | 2016-03-23 | 武汉宏联电线电缆有限公司 | Towline cable for intelligent robot |
| CN111696712B (en) * | 2020-07-27 | 2021-08-03 | 王社兵 | Signal control cable for intelligent numerical control system |
| CN115775649A (en) * | 2022-10-17 | 2023-03-10 | 江苏启盛线缆有限公司 | Cable for climbing vehicle and preparation method thereof |
| CN115691862A (en) * | 2022-10-27 | 2023-02-03 | 江苏启盛线缆有限公司 | High-speed towline cable for clean room and preparation method thereof |
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