CN110993164A - Multifunctional mobile flexible cable and preparation method - Google Patents
Multifunctional mobile flexible cable and preparation method Download PDFInfo
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- CN110993164A CN110993164A CN201911252171.2A CN201911252171A CN110993164A CN 110993164 A CN110993164 A CN 110993164A CN 201911252171 A CN201911252171 A CN 201911252171A CN 110993164 A CN110993164 A CN 110993164A
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- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
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- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
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- H01B7/22—Metal wires or tapes, e.g. made of steel
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Abstract
一种多功能移动软电缆和制备方法，多功能移动软电缆包括电力线芯、控制缆芯和网络缆芯绞合构成电缆缆芯，在电缆缆芯内设有抗拉填充条，在电缆缆芯外依次设有内护套层、凯夫拉编织层和外护套；所述电力线芯包括电力导体，电力导体外包覆有电力三元乙丙橡胶绝缘层，电力三元乙丙橡胶绝缘层外设有电力凯夫拉编织层，电力凯夫拉编织层外设有电力液体硅橡胶涂层，控制缆芯外设有控制凯夫拉编织层，控制凯夫拉编织层外设有控制液体硅橡胶涂层，网络缆芯外设有网络凯夫拉编织层，网络凯夫拉编织层外设有网络液体硅橡胶涂层，满足电缆电力、网络信号、控制信号传输，且提高电缆的耐弯曲、扭转、卷绕能力从而提高电缆使用寿命。
A multifunctional mobile flexible cable and a preparation method. The multifunctional mobile flexible cable comprises a power wire core, a control cable core and a network cable core which are twisted to form a cable core; An inner sheath layer, a Kevlar braided layer and an outer sheath are arranged on the outside in sequence; the power wire core includes a power conductor, and the power conductor is covered with a power EPDM insulating layer and a power EPDM rubber insulating layer. There is a power Kevlar braid on the outside, a power liquid silicone rubber coating on the outside of the power Kevlar braid, a control Kevlar braid on the outside of the control cable core, and a control liquid on the outside of the control Kevlar braid Silicone rubber coating, network Kevlar braided layer outside the network cable core, and network liquid silicone rubber coating on the outside of the network Kevlar braided layer, which can meet the transmission of cable power, network signal and control signal, and improve the resistance of the cable. The ability to bend, twist, and coil increases cable life.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a multifunctional mobile flexible cable and a preparation method thereof.
Background
In the modern industry, large-scale equipment such as bucket wheel machines, drum machines and the like needs to be assembled and transported to use movable flexible cables, and the cables need to be tensile, pressure-resistant, drag-resistant and wear-resistant. Meanwhile, with the rapid development of modernization, cables are required to transmit electric energy and network signals, control signals and the like, so that mechanical operation is facilitated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a multifunctional mobile flexible cable which can meet the transmission requirements of cable power, network signals and control signals, and can improve the bending, twisting and winding resistance of the cable, thereby prolonging the service life of the cable.
A multifunctional mobile flexible cable comprises a power wire core, a control cable core formed by twisting a plurality of control signal wire cores and a network cable core formed by twisting a plurality of network signal wire cores, wherein the power wire core, the control cable core and the network cable core are twisted to form a cable core; the power cable core comprises a power conductor, a power ethylene propylene diene monomer insulating layer is coated outside the power conductor, a power Kevlar braided layer is arranged outside the power ethylene propylene diene monomer insulating layer, a power liquid silicone rubber coating is arranged outside the power Kevlar braided layer, the control signal cable core comprises a control signal conductor, a control insulating layer is arranged outside the control signal conductor, a control Kevlar braided layer is arranged outside a control cable core formed by twisting a plurality of control signal wires, a control liquid silicone rubber coating is arranged outside the control Kevlar braided layer, the network signal cable core comprises a network signal conductor, the network signal conductor is provided with a network insulating layer, a network Kevlar braided layer is arranged outside a network formed by twisting a plurality of network signal cable cores, and a network liquid silicone rubber coating is arranged outside the network Kevlar braided layer.
Preferably, the control insulating layer is an ethylene propylene diene monomer insulating layer.
Preferably, the tensile filling strip is an ethylene propylene diene monomer rubber strip containing a steel wire.
Preferably, the inner sheath layer is a chloroprene rubber inner sheath layer, and the outer sheath is a chloroprene outer sheath.
Preferably, the thicknesses of the power liquid silicone rubber coating, the control liquid silicone rubber coating and the network liquid silicone rubber coating are 0.008-0.012 mm.
Preferably, the power conductor is a category 6 copper conductor or a tinned copper conductor, and is formed by bundling and twisting a plurality of conductor monofilaments in the same direction.
Preferably, the control signal conductor is woven by rubber filling and copper wires.
Preferably, the network signal conductor is a type B stranded conductor, and the network insulating layer is a silane cross-linked insulating layer.
Preferably, liquid silicone rubber is sprayed outside the power Kevlar braided layer, then the liquid silicone rubber is baked and cured to form a power liquid silicone rubber coating, and the liquid silicone rubber penetrates into the power Kevlar braided layer to enable the power Kevlar braided layer and the power liquid silicone rubber coating to form a whole.
A preparation method of a multifunctional mobile flexible cable comprises the following steps:
s1: the method comprises the following steps that a plurality of conductor monofilaments are bundled and twisted in the same direction to form a power conductor, a layer of ethylene propylene diene monomer is extruded outside the power conductor to form a power ethylene propylene diene monomer insulating layer, a Kevlar fiber rope is adopted to weave outside the power ethylene propylene diene monomer insulating layer to form a power Kevlar braided layer, liquid silicon rubber is sprayed outside the power Kevlar braided layer, then the liquid silicon rubber is baked and cured to form a power liquid silicon rubber coating, and the liquid silicon rubber penetrates into the power Kevlar braided layer to enable the power Kevlar braided layer and the power liquid silicon rubber coating to form a whole, so that a power wire core is prepared;
s2: extruding a layer of ethylene propylene diene monomer rubber outside the control signal conductor to form a control insulating layer, and manufacturing a control signal wire core;
s3: twisting a plurality of control signal wire cores to form a control cable core, weaving a Kevlar fiber rope outside the control cable core to form a control Kevlar weaving layer, spraying liquid silicon rubber outside the control Kevlar weaving layer, then carrying out hot baking and curing to form a control liquid silicon rubber coating, and enabling the liquid silicon rubber to penetrate into the control Kevlar weaving layer to enable the control Kevlar weaving layer and the control liquid silicon rubber coating to form a whole to obtain the wear-resistant anti-adhesion control cable core;
s4: extruding a layer of silane crosslinked polyethylene outside the network signal conductor to form a network insulating layer, and preparing a network signal wire core;
s5: the method comprises the following steps that a network cable core formed by twisting a plurality of network signal wire cores is braided outside the network cable core by adopting a Kevlar fiber rope to form a control network Kevlar braided layer, liquid silicon rubber is sprayed outside the network Kevlar braided layer and then is dried and cured to form a network liquid silicon rubber coating, and the liquid silicon rubber penetrates into the network Kevlar braided layer to enable the network Kevlar braided layer and the network liquid silicon rubber coating to form a whole, so that the wear-resistant anti-adhesion network cable core is obtained;
s6: arranging tensile filling strips among the power wire core prepared in the step S1, the wear-resistant anti-adhesion control cable core prepared in the step S3 and the wear-resistant anti-adhesion network cable core prepared in the step S5, and twisting to form a cable core;
s7, extruding chloroprene rubber to form an inner sheath layer outside the cable core, extruding Kevlar fiber ropes to form a Kevlar braided layer outside the inner sheath layer, and extruding chloroprene rubber which is the same as the inner sheath layer to form an outer sheath outside the Kevlar braided layer, so that the inner sheath layer, the Kevlar braided layer and the outer sheath form a whole.
The multifunctional mobile flexible cable is provided with a power wire core, a control cable core and a network cable core and is used for meeting the transmission of power, network signals and control signals of the cable, the wear resistance and the anti-adhesion performance of the cable core are enhanced by adopting a structure that a KEVLAR (Kevlar) fiber rope is woven outside the power wire core, the control cable core and the network cable core, and a liquid silicon rubber layer is attached to the KEVLAR fiber rope and a layer of liquid silicon rubber is arranged in the adhesive layer, so that the overall sliding effect of the cable is greatly enhanced, the twisting and winding capabilities of the cable are improved, the power wire core adopts an EPDM ethylene propylene diene monomer insulating layer, a tensile filling strip is arranged in the cable core, and the Kevlar weaving layers of the inner sheath and the outer sheath are woven and connected to form an integral body.
In addition, the power conductors adopt the same-direction design, and the control signal conductors adopt a structure of filling and weaving copper wires to enhance the overall tensile strength of the small wire cores; and the inner and outer sheaths are made of high-strength chloroprene rubber, and the inner and outer layers are woven and connected by KEVLAR (Kevlar) to form a whole, so that the moving capacity of the cable is enhanced.
Drawings
Fig. 1 is a schematic structural view of a mobile flexible cable according to the present invention.
In the figure: 1. the cable comprises a power wire core, 11, a power conductor, 12, a power ethylene propylene diene monomer rubber insulating layer, 13, a power Kevlar braided layer, 14, a power liquid silicon rubber coating, 2, a control cable core, 21, a control signal conductor, 22, a control insulating layer, 23, a control Kevlar braided layer, 24, a control liquid silicon rubber coating, 3, a network cable core, 31, a network signal conductor, 32, a network insulating layer, 33, a network Kevlar braided layer, 34, a network liquid silicon rubber coating, 4, a tensile filling strip, 5, an inner sheath layer, 6, a Kevlar braided layer, 7 and an outer sheath.
Detailed Description
The following provides an example with reference to the accompanying drawings, which further illustrates an embodiment of the mobile flexible cable according to the present invention. The mobile flexible cable of the present invention is not limited to the description of the following embodiments.
The utility model provides a multi-functional removal flexible cable, includes power core 1, the control cable core 2 that many control signal sinle silks transposition constitutes and the network cable core 3 that many network signal sinle silks transposition constitutes, power core 1, control cable core 2 and 3 transposition of network cable core constitute the cable core, are equipped with tensile filler 4 in the cable core, are equipped with inner sheath layer 5, kavlar weaving layer 6 and oversheath 7 outside the cable core in proper order.
The power wire core comprises a power conductor 11, a power ethylene propylene diene monomer insulating layer 12 is coated outside the power conductor 11, a power Kevlar braided layer 13 is arranged outside the power ethylene propylene diene monomer insulating layer 12, a power liquid silicon rubber coating 14 is arranged outside the power Kevlar braided layer 13,
the control signal wire core comprises a control signal conductor 21, a control insulating layer 22 is arranged outside the control signal conductor 21, a control Kevlar braided layer 23 is arranged outside a control cable core formed by twisting a plurality of control signal wires, a control liquid silicon rubber coating 24 is arranged outside the control Kevlar braided layer 23,
the network signal wire core comprises a network signal conductor 31, the network signal conductor 31 is provided with a network insulating layer 32, a network Kevlar braid 33 is arranged outside a network cable core 3 formed by twisting a plurality of network signal wire cores, and a network liquid silicone rubber coating 34 is arranged outside the network Kevlar braid 33.
The multifunctional mobile flexible cable is provided with a power wire core, a control cable core and a network cable core and is used for meeting the transmission of power, network signals and control signals of the cable, a structure that the power wire core, the control cable core and the network cable core are externally woven with a KEVLAR (Kevlar) fiber rope and an adhesive layer of liquid silicone rubber to form a whole is adopted, so that the wear resistance and the anti-adhesion performance of the cable core are enhanced, the integral sliding effect of the cable is greatly enhanced, the twisting and winding capabilities of the cable are improved, a tensile filling strip is arranged in the cable core, and an inner sheath Kevlar layer and an outer sheath Kevlar layer are woven and connected to form a whole.
As shown in fig. 1, according to a preferred embodiment of the present invention, the long-life multifunctional mobile flexible cable includes a cable core formed by twisting three power wire cores 1, two control cable cores 2 and a network cable core 3, wherein a tensile filler 4 is disposed in the cable core, and an inner sheath layer 5, a kevlar braid layer 6 and an outer sheath 7 are sequentially disposed outside the cable core. Obviously, the number of the power wire cores 1, the control cable cores 2 and the network cable cores 3 can be increased as required, and the number of the power wire cores, the control cable cores and the network cable cores can be single or multiple.
The control cable core 2 is formed by twisting a plurality of control signal wire cores, and is formed by twisting three control signal wire cores in the embodiment. The network cable core 3 is formed by twisting a plurality of network signal wire cores, in this embodiment, three control signal wire cores. Tensile filler strip 4 is located between power core 1, control cable core 2 and the network cable core 3, and in this embodiment, tensile filler strip 4 is located the center of cable core, and three power core 1 finished product fonts are arranged, and tensile filler strip 4 is located three power core 1's center, and two control cable cores 2 and a network cable core 3 are located the outside of two adjacent power core 1 respectively.
The power wire core 1 comprises a power conductor 11, a power ethylene propylene diene monomer insulating layer 12 is coated outside the power conductor 11, a power Kevlar braided layer 13 is arranged outside the power ethylene propylene diene monomer insulating layer 12, and a power liquid silicone rubber coating 14 is arranged outside the power Kevlar braided layer 13. Preferably, the power conductor 11 is a category 6 copper conductor or a tinned copper conductor, and is formed by bundling and twisting a plurality of conductor monofilaments in the same direction, wherein the diameter of each conductor monofilament is 0.11mm to 0.13mm, and is preferably 0.12 mm; the electric ethylene propylene diene monomer insulating layer 12 is formed by extruding and wrapping high-strength EPDM (ethylene propylene diene monomer) insulating materials; the electric Kevlar braided layer 13 and the electric liquid silicone rubber coating layer 14 are of a KEVLAR (Kevlar) braided structure with liquid silicone rubber coating, a layer of Kevlar fiber rope is braided outside the electric ethylene propylene diene monomer insulating layer 12, and a layer of liquid silicone rubber is attached to the layer of fiber rope and is solidified to form a whole, so that the wear resistance and anti-adhesion performance of the electric wire core are enhanced, and the sliding effect of the cable is improved. The thickness of the electric power liquid silicone rubber coating 14 is preferably 0.008-0.012mm, and the thickness of the electric power liquid silicone rubber coating 14 formed outside the electric power Kevlar braided layer 13 is preferably 0.01mm, and a spraying and heating baking mode can be adopted during production, spraying can be carried out by a hot baking channel technology, and other spraying modes can also be adopted.
The control signal wire core comprises a control signal conductor 21, a control insulating layer 22 is arranged outside the control signal conductor 21, a control Kevlar braid 23 is arranged outside a control cable core formed by twisting a plurality of control signal wires, and a control liquid silicone rubber coating 24 is arranged outside the control Kevlar braid 23. Preferably, the control signal conductor 21 is braided by rubber filling and copper wires, the diameter of each copper wire is 0.09-0.11mm, and the diameter of each copper wire is preferably 0.10 mm. Preferably, the control insulating layer 22 is a control ethylene propylene diene monomer insulating layer, and is formed by extruding and wrapping a high-strength EPDM (ethylene propylene diene monomer) insulating material. A control Kevlar braid layer 23 and a control liquid silicone rubber coating 24 are arranged behind a plurality of control signal wire cores in a cabling mode, the control Kevlar braid layer 23 and the control liquid silicone rubber coating 24 adopt a KEVLAR (Kevlar) weaving structure with liquid silicone rubber coating, a layer of Kevlar fiber rope is woven outside the control cable core, and a layer of liquid silicone rubber is adhered to the Kevlar fiber rope and solidified to form a whole, so that the wear resistance and anti-adhesion performance of the control cable core are enhanced, and the sliding effect of the cable is improved.
The network signal wire core comprises a network signal conductor 31, the network signal conductor 31 is provided with a network insulating layer 32, a network Kevlar braid 33 is arranged outside a network cable core 3 formed by twisting a plurality of network signal wire cores, and a network liquid silicone rubber coating 34 is arranged outside the network Kevlar braid 33. Preferably, the network signal conductor 31 is a B-type stranded conductor; the network insulating layer 32 is a silane crosslinked insulating layer and is formed by extruding and wrapping a micro-crosslinked silane crosslinked polyethylene material. The network Kevlar weaving layer 33 and the network liquid silicone rubber coating layer 34 adopt a KEVLAR (Kevlar) weaving structure with liquid silicone rubber coating, a layer of Kevlar fiber rope is woven outside the network cable core, and a layer of liquid silicone rubber is adhered to the layer of fiber rope to be solidified to form a whole, so that the wear resistance and anti-adhesion performance of the network cable core are enhanced, and the sliding effect of the cable is improved.
The control liquid silicone rubber coating 24 and the network liquid silicone rubber coating 34 can adopt the same processing mode as the electric power liquid silicone rubber coating 14, adopt the spraying heating baking mode, form a layer of liquid silicone rubber layer with the thickness of about 0.01mm outside the corresponding braided layer, and the optimal thicknesses of the control liquid silicone rubber coating 24 and the network liquid silicone rubber coating 34 are both 0.008-0.012 mm.
The tensile filling strip 4 is an ethylene propylene diene monomer rubber strip containing steel wires, and adopts a high-strength EPDM insulated and steel wire structure. The inner sheath layer 5 is a chloroprene rubber inner sheath layer. The Kevlar braided layer 6 is of a KEVLAR (Kevlar) braided structure, and the preferred braiding density is not less than 40%. The outer sheath 7 is a chloroprene outer sheath and is formed by extruding chloroprene materials.
The preparation method of the multifunctional mobile flexible cable comprises the following steps:
s1: a plurality of conductor monofilaments are bundled and twisted in the same direction to form a power conductor 11, a layer of ethylene propylene diene monomer is extruded outside the power conductor to form a power ethylene propylene diene monomer insulating layer 12, a Kevlar fiber rope is adopted to weave outside the power ethylene propylene diene monomer insulating layer 12 to form a power Kevlar weaving layer 13, liquid silicone rubber is sprayed outside the power Kevlar weaving layer 13, then, the liquid silicone rubber is baked and cured to form a power liquid silicone rubber coating 14, and the liquid silicone rubber penetrates into the power Kevlar weaving layer 13 to enable the power Kevlar weaving layer 13 and the power liquid silicone rubber coating 14 to form a whole, so that the power wire core 1 is obtained. Preferably, the power conductor 11 is a category 6 copper conductor or a tinned copper conductor, the braiding density of the power Kevlar braided layer 13 is not less than 50%, and the thickness of the power liquid silicone rubber coating 14 is 0.01 mm.
S2: and extruding a layer of ethylene propylene diene monomer rubber outside the control signal conductor 21 to form a control insulating layer 22, thus obtaining the control signal wire core. Preferably, the control signal conductor 21 is braided by rubber filling and copper wires.
S3: the method comprises the steps of stranding a plurality of control signal wire cores to form a control cable core 2, weaving a Kevlar fiber rope outside the control cable core 2 to form a control Kevlar weaving layer 23, spraying liquid silicone rubber outside the control Kevlar weaving layer 23, then carrying out hot baking and curing to form a control liquid silicone rubber coating 24, and enabling the liquid silicone rubber to penetrate into the control Kevlar weaving layer 23 to enable the control Kevlar weaving layer 23 and the control liquid silicone rubber coating 24 to form a whole, so that the wear-resistant anti-adhesion control cable core is obtained. Preferably, the weaving density of the Kevlar weaving layer 23 is controlled to be not less than 40%, and the thickness of the liquid silicone rubber coating 24 is controlled to be 0.01 mm.
S4: and extruding a layer of silane crosslinked polyethylene outside the network signal conductor to form a network insulating layer 32, so as to obtain the network signal wire core. Preferably, the network signal conductor 31 is a B-type stranded conductor.
S5: the method comprises the steps of stranding a plurality of network signal wire cores to form a network cable core 3, weaving a Kevlar fiber rope outside the network cable core 3 to form a control network Kevlar woven layer 33, spraying liquid silicone rubber outside the network Kevlar woven layer 33, then carrying out hot baking and curing to form a network liquid silicone rubber coating 34, and enabling the network Kevlar woven layer 33 and the network liquid silicone rubber coating 34 to form a whole body after the liquid silicone rubber penetrates into the network Kevlar woven layer 33, so that the wear-resistant anti-adhesion network cable core is obtained. Preferably, the weaving density of the network Kevlar weaving layer 33 is not less than 40%, and the thickness of the network liquid silicone rubber coating 34 is 0.01 mm.
S6: and arranging at least one tensile filling strip 4 among the power wire core 1 prepared in the step S1, the wear-resistant anti-adhesion control cable core prepared in the step S3 and the wear-resistant anti-adhesion network cable core prepared in the step S5, and twisting to form the cable core. Preferably, the tensile filler strip 4 is an ethylene propylene diene monomer strip containing steel wires.
S7, extruding chloroprene rubber to form an inner sheath layer 5 outside the cable core, extruding Kevlar fiber ropes to form a Kevlar braided layer 6 outside the inner sheath layer 5, and extruding chloroprene rubber which is the same as the inner sheath layer 5 to form an outer sheath 7 outside the Kevlar braided layer 6, so that the inner sheath layer 5, the Kevlar braided layer 6 and the outer sheath 7 form a whole.
Preferred embodiments of the present invention: firstly, the power conductor adopts a 6 th class copper conductor or a tinned copper conductor and is formed by twisting and complex twisting of a plurality of conductor monofilaments in the same direction, the diameter of each conductor monofilament is 0.12mm, the control signal conductor adopts a rubber filling and copper wire monofilament weaving mode, the diameter of each copper wire monofilament is 0.10mm, the network signal conductor adopts a B class conductor structure, the power conductor and the control signal conductor are externally extruded with a layer of high-strength EPDM to form an insulating wire core, and the network signal conductor is externally extruded with a layer of micro-crosslinking type silane crosslinking material to form an insulating layer, so that the cable has good tensile and torsional properties and good flexibility.
A KEVLAR fiber rope is woven outside a main line insulation layer (namely a power ethylene propylene diene monomer rubber insulation layer 12) of a power wire core, and a liquid silicon rubber layer is attached to the fiber rope to form a whole (a power Kevlar woven layer 13 and a power liquid silicon rubber coating 14); after the control signal wire cores are stranded into a cable, the control cable core is woven with a KEVLAR (Kevlar) fiber rope layer, and the attachment layer is a liquid silicone rubber layer to form a whole (a control Kevlar weaving layer 23 and a control liquid silicone rubber coating layer 24); after the network signal wire cores are stranded into a cable, the network cable core is woven with a KEVLAR (Kevlar) fiber rope layer, and the attachment layer is a liquid silicone rubber layer to form a whole (a network Kevlar weaving layer 33 and a network liquid silicone rubber coating 34); the wear resistance and the anti-adhesion performance of the power wire core, the control cable core and the network cable core are enhanced, and the overall sliding effect of the cable is enhanced.
An EPDM insulation and steel wire structure filling (tensile filling strip 4) is filled in the center of the power cable core, the control cable core and the network cable core, so that the overall tensile property of the cable is improved; the inner sheath layer is made of chloroprene rubber and is woven by KEVLAR (Kevlar) fiber ropes (the Kevlar woven layer 6) outside the inner sheath layer, and the outer sheath is made of chloroprene rubber, so that the tensile, torsion, oil and weather resistance of the mobile cable are met.
Compared with the common mobile cable, the invention firstly weaves a layer of KEVLAR (Kevlar) fiber rope outside the power wire core, the control cable core and the network cable core and forms an integral structure by a layer of liquid silicon rubber on an adhesive layer, thereby greatly enhancing the integral sliding effect of the cable; secondly, the power conductors adopt the same-direction design, and the control signal conductors adopt a structure of filling and weaving copper wires to enhance the overall tensile strength of the small wire cores; and the inner and outer sheaths are made of high-strength chloroprene rubber, and the inner and outer layers are woven and connected by KEVLAR (Kevlar) to form a whole, so that the moving capacity of the cable is enhanced.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. The utility model provides a multi-functional removal flexible cable, includes control cable core (2) that power core (1), many control signal sinle silk transposition constitute and network cable core (3) that many network signal sinle silk transposition constitute, power core (1), control cable core (2) and network cable core (3) transposition constitute cable core, its characterized in that:
a tensile filling strip (4) is arranged in the cable core, and an inner sheath layer (5), a Kevlar braid layer (6) and an outer sheath (7) are sequentially arranged outside the cable core;
the power wire core comprises a power conductor (11), a power ethylene propylene diene monomer rubber insulating layer (12) is coated outside the power conductor (11), a power Kevlar braided layer (13) is arranged outside the power ethylene propylene diene monomer rubber insulating layer (12), a power liquid silicone rubber coating (14) is arranged outside the power Kevlar braided layer (13),
the control signal wire core comprises a control signal conductor (21), a control insulating layer (22) is arranged outside the control signal conductor (21), a control Kevlar braided layer (23) is arranged outside a control cable core formed by twisting a plurality of control signal wires, a control liquid silicon rubber coating (24) is arranged outside the control Kevlar braided layer (23),
the network signal wire core comprises a network signal conductor (31), the network signal conductor (31) is provided with a network insulating layer (32), a network Kevlar woven layer (33) is arranged outside a network cable core (3) formed by twisting a plurality of network signal wire cores, and a network liquid silicone rubber coating (34) is arranged outside the network Kevlar woven layer (33).
2. The multifunctional mobile flexible cable of claim 1, wherein: the control insulating layer (22) is an ethylene propylene diene monomer insulating layer.
3. The multifunctional mobile flexible cable of claim 1, wherein: the tensile filling strip (4) is an ethylene propylene diene monomer rubber strip containing a steel wire.
4. The multifunctional mobile flexible cable of claim 1, wherein: the inner sheath layer (5) is a chloroprene rubber inner sheath layer, and the outer sheath (7) is a chloroprene outer sheath.
5. The multifunctional mobile flexible cable of claim 1, wherein: the thicknesses of the electric power liquid silicone rubber coating (14), the control liquid silicone rubber coating (24) and the network liquid silicone rubber coating (34) are 0.008-0.012 mm.
6. The multifunctional mobile flexible cable of claim 1, wherein: the power conductor (11) is a 6 th class copper conductor or a tinned copper conductor and is formed by bundling and twisting a plurality of conductor monofilaments in the same direction.
7. The multifunctional mobile flexible cable of claim 1, wherein: the control signal conductor (21) is woven by rubber filling and copper wires.
8. The multifunctional mobile flexible cable of claim 1, wherein: the network signal conductor (31) is a B-type stranded conductor, and the network insulating layer (32) is a silane cross-linked insulating layer.
9. The multifunctional mobile flexible cable of claim 1, wherein: liquid silicone rubber is sprayed outside the electric Kevlar braided layer (13), then the electric power liquid silicone rubber coating (14) is formed through hot baking and curing, and the liquid silicone rubber penetrates into the electric power Kevlar braided layer (13) to enable the electric power Kevlar braided layer (13) and the electric power liquid silicone rubber coating (14) to form a whole.
10. A preparation method of a multifunctional mobile flexible cable is characterized by comprising the following steps:
s1: the method comprises the steps that a plurality of conductor monofilaments are bundled and twisted in the same direction to form a power conductor (11), a layer of ethylene propylene diene monomer is extruded outside the power conductor to form a power ethylene propylene diene monomer insulating layer (12), a Kevlar fiber rope is adopted to weave outside the power ethylene propylene diene monomer insulating layer (12) to form a power Kevlar weaving layer (13), liquid silicone rubber is sprayed outside the power Kevlar weaving layer (13), then, the liquid silicone rubber is dried and solidified to form a power liquid silicone rubber coating (14), and the liquid silicone rubber permeates into the power Kevlar weaving layer (13) to enable the power Kevlar weaving layer (13) and the power liquid silicone rubber coating (14) to form a whole, so that a power wire core (1) is manufactured;
s2: extruding a layer of ethylene propylene diene monomer rubber outside the control signal conductor (21) to form a control insulating layer (22) to obtain a control signal wire core;
s3: stranding a plurality of control signal wire cores to form a control cable core (2), weaving a Kevlar fiber rope outside the control cable core (2) to form a control Kevlar woven layer (23), spraying liquid silicone rubber outside the control Kevlar woven layer (23), then carrying out hot baking and curing to form a control liquid silicone rubber coating (24), and enabling the liquid silicone rubber to penetrate into the control Kevlar woven layer (23) to enable the control Kevlar woven layer (23) and the control liquid silicone rubber coating (24) to form a whole to obtain the wear-resistant anti-adhesion control cable core;
s4: a layer of silane crosslinked polyethylene material is extruded outside the network signal conductor to form a network insulating layer (32) so as to prepare a network signal wire core;
s5: the method comprises the steps that a network cable core (3) formed by twisting a plurality of network signal wire cores is braided outside the network cable core (3) by adopting a Kevlar fiber rope to form a control network Kevlar braided layer (33), liquid silicone rubber is sprayed outside the network Kevlar braided layer (33), then the liquid silicone rubber is heated and cured to form a network liquid silicone rubber coating (34), and the liquid silicone rubber penetrates into the network Kevlar braided layer (33) to enable the network Kevlar braided layer (33) and the network liquid silicone rubber coating (34) to form a whole, so that the wear-resistant anti-adhesion network cable core is obtained;
s6: arranging tensile filling strips (4) among the power wire core (1) prepared in the step S1, the wear-resistant anti-adhesion control cable core prepared in the step S3 and the wear-resistant anti-adhesion network cable core prepared in the step S5, and twisting to form a cable core;
s7, extruding chloroprene rubber to form an inner sheath layer (5) outside the cable core, extruding Kevlar fiber ropes to form a Kevlar braided layer (6) outside the inner sheath layer (5), and extruding chloroprene rubber which is the same as the inner sheath layer (5) to form an outer sheath (7) outside the Kevlar braided layer (6), so that the inner sheath layer (5), the Kevlar braided layer (6) and the outer sheath (7) form a whole.
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