CN217468070U - Novel optical fiber composite rubber jacketed flexible cable for coal mining machine - Google Patents

Novel optical fiber composite rubber jacketed flexible cable for coal mining machine Download PDF

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CN217468070U
CN217468070U CN202221281967.8U CN202221281967U CN217468070U CN 217468070 U CN217468070 U CN 217468070U CN 202221281967 U CN202221281967 U CN 202221281967U CN 217468070 U CN217468070 U CN 217468070U
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wire core
control
sinle silk
cable
communication
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CN202221281967.8U
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朱峰林
闵泽宇
闵玉山
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Anhui Lingyu Cable Technology Co Ltd
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Anhui Lingyu Cable Technology Co Ltd
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Abstract

The utility model discloses a novel optical fiber composite rubber jacketed flexible cable for coal mining machine, which belongs to the technical field of electric wire and cable manufacturing, and comprises a jacket, a fiber reinforced layer and a cable core from outside to inside, wherein the cable core comprises a power wire core, a control wire core and a communication wire core, the control wire core is provided with a group, and the control wire core is composed of a composite metal shielding layer, a control wire core insulating layer, a control wire core bundling conductor, a control wire core insulating layer and a control wire core winding conductor from outside to inside; the communication sinle silk is equipped with two sets ofly, and it is from outside to inside including compound metal shielding layer, coating and two control insulation sinle silks of being symmetrical to communication sinle silk center department setting, just control insulation sinle silk has the insulating layer of gathering the perfluoroethylene propylene material. The utility model discloses a backup of single mode fiber and multimode temperature measurement optic fibre is regarded as respectively to two sets of communication sinle silks, and the communication sinle silk is favorable to reducing the signal transmission decay for the signal transmission effect is better.

Description

Novel optical fiber composite rubber jacketed flexible cable for coal mining machine
Technical Field
The utility model relates to a wire and cable makes technical field, specifically is a novel compound rubber jacketed flexible cable of optic fibre for coal-winning machine.
Background
With the vigorous development of coal mining intelligent mining in China, the existing metal shielding rubber jacketed flexible cable of the coal mining machine cannot meet the signal transmission requirement of coal mining intelligent mining on a coal mining working face. The photoelectric composite cable is a composite optical fiber unit, realizes the functions of electrification and lightning protection and simultaneously performs optical fiber communication, is prepared by implanting temperature-sensing optical fibers into a high-voltage and ultrahigh-voltage cross-linked cable, is introduced into a remote control intelligent coal mining engineering, and realizes the real-time continuous monitoring of cable load and local temperature rise while electrification and communication.
However, the working environment of mine coal mining engineering is relatively severe, frequent start and stop, multi-stage speed change and high failure rate are realized in the using process, particularly, during night operation, the photoelectric composite cable is easily rolled by carrying equipment, a sheath and an insulating layer of the cable are easily damaged and cracked, and meanwhile, a conductor and an optical fiber are also easily cracked, so that signal interruption of control equipment is caused, short circuit, insulation breakdown or leakage of a line is caused, and finally, operation interruption is caused, and huge economic loss is brought.
The applicant has previously developed a related composite rubber jacketed flexible cable with metal shielding optical fiber for coal mining machine, and obtained utility model patent CN215377052U, in this patent, through setting up a set of communication cable cores capable of being used as backup of optical cables, when the optical cable for transmitting video communication signals breaks, it is used as emergency backup, so as to keep normal work, reduce the occurrence of electrical accidents, but in the actual use process, it is found that the backup of a set of communication cable cores as single mode optical fiber and multimode optical fiber simultaneously also affects the transmission effect of video communication signals, and when the communication cable cores are used as emergency backup, the attenuation of transmission signals is large.
SUMMERY OF THE UTILITY MODEL
The main purpose of this application is providing a novel coal-winning machine is with compound rubber of optic fibre cover flexible cable to make the communication sinle silk have better performance and signal transmission effect when being as the emergent backup of optical cable unit.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a novel coal-winning machine is with compound rubber of optic fibre cover flexible cable, it is from outside to inside including sheath, fibre enhancement layer and cable core, wherein, the cable core includes power sinle silk, control sinle silk and communication sinle silk to with the axis direction of cable as setting for the direction, power sinle silk, control sinle silk and communication sinle silk are cyclic annular alternate arrangement with setting for the direction as the central line in the radial cross section of cable, still be provided with the semiconduction special-shaped support that is used for supporting power sinle silk, control sinle silk and communication sinle silk in the cable core inside, and semiconduction special-shaped support is fixed with the optical cable unit in setting for the direction, and the optical cable unit comprises 1-6 single mode fiber and 1-4 multimode temperature measurement optic fibre;
the control wire core is provided with a group of control wire cores, and the group of control wire cores comprises a composite metal shielding layer, a control wire core insulating layer, a control wire core bundling and winding conductor, a control wire core insulating layer and a control wire core winding conductor from outside to inside;
the communication sinle silk is equipped with two sets ofly, and it is from outside to inside including compound metal shielding layer, coating and two control insulation sinle silks of being symmetrical to communication sinle silk center department setting, just control insulation sinle silk has the insulating layer of gathering the perfluoroethylene propylene material.
Furthermore, the composite metal shielding layer is formed by weaving aramid fiber/tinned copper wire and wrapping a copper-plastic composite tape.
Furthermore, the power wire core is provided with three groups, and the power wire core comprises a power wire core metal shielding layer, an ethylene propylene diene monomer insulating layer and an oxygen-free tin-plated soft copper conductor, wherein the power wire core metal shielding layer, the ethylene propylene diene monomer insulating layer and the oxygen-free tin-plated soft copper conductor are formed by alternately weaving tin-plated copper wires/nylon fibers from outside to inside.
Furthermore, the power wire core metal shielding layer also serves as a ground wire core.
Furthermore, the communication wire core is filled with vulcanized rubber strips at the gap between the coating layer and the two control insulation wire cores.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
the utility model provides a cable has two sets of communication sinle silks, and the communication sinle silk can regard as the backup use of optical cable unit, because the optical cable unit includes single mode fiber and multimode temperature measurement optic fibre, consequently the utility model discloses a backup of single mode fiber and multimode temperature measurement optic fibre is regarded as respectively to two sets of communication sinle silks for the signal transmission effect is better.
In order to avoid the utility model provides a when the backup of communication sinle silk as optical cable unit, the great problem of its signal transmission decay, the insulating layer of the insulating sinle silk adoption of control in the communication sinle silk of perfluor ethylene propylene material of gathering, and this material has electrical insulation good, and high low temperature resistant and the big advantage of intensity, and the key lies in that the dielectric loss who gathers perfluor ethylene propylene material is little, is favorable to reducing the signal transmission decay.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic view of the internal cross-sectional structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the core portion of fig. 1.
Fig. 3 is a schematic cross-sectional structure of the power wire core of fig. 2.
Fig. 4 is a schematic cross-sectional structure of the control wire core of fig. 2.
Fig. 5 is a schematic cross-sectional view of the communication wire core of fig. 2.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The novel optical fiber composite rubber jacketed flexible cable for the coal mining machine shown in fig. 1 comprises a jacket 1, a fiber reinforced layer 2 and a cable core 3 from outside to inside; the fiber reinforced layer 2 is a reinforced strip extending along the length direction of the cable core, and mainly enhances the tensile and bending resistance of the cable and can also increase the compression resistance of the cable.
As shown in fig. 2, the cable core 3 includes a power core 4, a control core 14 and a communication core 8, and the axial direction of the cable is set as a set direction, the power core 4, the control core 14 and the communication core 8 are arranged in the radial cross section of the cable in an annular alternate manner with the set direction as a center line, a semi-conductive special-shaped support 19 for supporting the power core 4, the control core 14 and the communication core 8 is further arranged inside the cable core, an optical cable unit 18 is fixed on the semi-conductive special-shaped support 19 in the set direction, and the optical cable unit is composed of 1-6 single-mode optical fibers and 1-4 multi-mode temperature measuring optical fibers; the semi-conductive special-shaped support 19 is of a herringbone structure, three pointed ends of the semi-conductive special-shaped support respectively support the communication wire core 8 and the control wire core 14, and a groove between the pointed ends of the semi-conductive special-shaped support is used for supporting the power wire core 4, so that the semi-conductive special-shaped support 19 can be used for integrally supporting all wire core parts of the cable core, and the coating strength of the sheath 1 is improved. And meanwhile, the semi-conductive support 19 is also beneficial to improving the overall compression resistance of the cable and the durability of the cable in a coal mine operation environment.
The control wire core 14 shown in fig. 4 is provided with a group, which is composed of a composite metal shielding layer 9, a control wire core insulating layer 15, a control wire core bundle-wound conductor 16, a control wire core insulating layer 15 and a control wire core wound conductor 17 from outside to inside; wherein, the control core is restrainted and is gathered according to coaxial mode around conductor 16 and control core winding conductor 17 to two parts of conductors arrange so can practice thrift the size of sinle silk external diameter, are favorable to improving control core 14's interference killing feature and tensile strength.
The communication wire cores 8 shown in fig. 5 are provided with two groups, which comprise a composite metal shielding layer 9, a coating layer 10 and two control insulated wire cores 12 arranged symmetrically at the center of the communication wire core 8 from outside to inside, and the control insulated wire cores 12 are provided with insulating layers 11 made of fluorinated ethylene propylene. The utility model provides a communication sinle silk 8 can be when optical cable unit 18 damages in the relatively abominable operational environment such as mine coal mining engineering, as the backup use of better signal transmission.
In order to have better shielding effect and compressive strength, the composite metal shielding layer 9 is formed by wrapping aramid fiber/tinned copper wire weaving and copper-plastic composite tapes.
As shown in fig. 3, the power wire core 4 is provided with three groups, which are composed of a power wire core metal shielding layer 5 formed by cross weaving of tinned copper wires/nylon fibers, an ethylene propylene diene monomer insulating layer 6 and an oxygen-free tinned soft copper conductor 7 from outside to inside. And, the power core metal shielding layer 5 can also be used as a ground core.
In order to improve the compression resistance effect of the communication wire core and avoid the communication wire core 8 which is taken as a backup under the severe working condition from being damaged again, the communication wire core 8 is filled with a vulcanized rubber strip 13 at the gap between the coating layer 10 and the two control insulation wire cores 12 so as to play a role in buffering the pressure.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (5)

1. The utility model provides a novel coal-winning machine is with compound rubber of optic fibre cover flexible cable, it is by outer to interior sheath, fibre enhancement layer and cable core including, wherein, the cable core includes power sinle silk, control sinle silk and communication sinle silk to use the axis direction of cable to set for the direction, power sinle silk, control sinle silk and communication sinle silk are cyclic annular alternate arrangement as the central line with setting for the direction in the radial cross-section of cable the inside semiconduction special-shaped support that is used for supporting power sinle silk, control sinle silk and communication sinle silk that still is provided with of cable core, and semiconduction special-shaped support is fixed with the optical cable unit in setting for the direction, just the optical cable unit comprises 1-6 single mode optical fiber and 1-4 multimode temperature measurement optic fibre, its characterized in that:
the control wire core is provided with a group of control wire cores, and the group of control wire cores comprises a composite metal shielding layer, a control wire core insulating layer, a control wire core bundling and winding conductor, a control wire core insulating layer and a control wire core winding conductor from outside to inside;
the communication sinle silk is equipped with two sets ofly, and it is from outside to inside including compound metal shielding layer, coating and two control insulation sinle silks of being symmetrical to communication sinle silk center department setting, just control insulation sinle silk has the insulating layer of gathering the perfluoroethylene propylene material.
2. The novel optical fiber composite rubber jacketed flexible cable for the coal cutter according to claim 1 is characterized in that: the composite metal shielding layer is formed by wrapping aramid fiber/tinned copper wire weaving and a copper-plastic composite tape.
3. The novel optical fiber composite rubber jacketed flexible cable for the coal cutter according to claim 1 is characterized in that: the power wire core is provided with three groups, and the power wire core comprises a power wire core metal shielding layer, an ethylene propylene diene monomer insulating layer and an oxygen-free tin-plated soft copper conductor, wherein the power wire core metal shielding layer is formed by alternately weaving tin-plated copper wires/nylon fibers from outside to inside.
4. The novel optical fiber composite rubber jacketed flexible cable for coal mining machine according to claim 3, characterized in that: the power wire core metal shielding layer is also used as a ground wire core.
5. The novel optical fiber composite rubber jacketed flexible cable for the coal cutter according to claim 1 is characterized in that: and the communication wire core is filled with vulcanized rubber strips at the gap between the coating layer and the two control insulation wire cores.
CN202221281967.8U 2022-05-26 2022-05-26 Novel optical fiber composite rubber jacketed flexible cable for coal mining machine Active CN217468070U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221281967.8U CN217468070U (en) 2022-05-26 2022-05-26 Novel optical fiber composite rubber jacketed flexible cable for coal mining machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221281967.8U CN217468070U (en) 2022-05-26 2022-05-26 Novel optical fiber composite rubber jacketed flexible cable for coal mining machine

Publications (1)

Publication Number Publication Date
CN217468070U true CN217468070U (en) 2022-09-20

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CN202221281967.8U Active CN217468070U (en) 2022-05-26 2022-05-26 Novel optical fiber composite rubber jacketed flexible cable for coal mining machine

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