CN217902788U

CN217902788U - Coal mining machine photoelectric composite cable with optical fibers

Info

Publication number: CN217902788U
Application number: CN202222070960.8U
Authority: CN
Inventors: 王义军; 苏培生; 李广凯; 赵宪帅; 段洋洋; 高静; 张晶; 宋佳
Original assignee: Yanggu New Pacific Cable Co ltd
Current assignee: Yanggu New Pacific Cable Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-25
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a coal-winning machine photoelectricity composite cable of band light, including cable body and the anti-compression element that sets up in the cable body outside, the cable body includes the ground wire that sets up in the center and sets gradually two control groups and three power group, outer jacket outside the ground wire, the control group includes control conductor group and control conductor group sets gradually outside the enhancement copper wire, band layer, inner jacket, metallic shield; the control wire core group consists of one optical fiber and three control wires at the periphery of the optical fiber; the compression-resistant part is spirally wound outside the cable body, and the hard ring, the reinforcing net, the filler and the insulating layer are sequentially arranged from outside to inside. The utility model discloses an optic fibre has been added in control core group, has realized the effect of cable transmission light signal, and the compressive capacity of cable can be improved to the compressive member of the outside setting of cable body moreover.

Description

Coal mining machine photoelectric composite cable with optical fibers

Technical Field

The utility model relates to the field of cables, especially, relate to a coal-winning machine photoelectricity composite cable of tape light fibre.

Background

The coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure, is one of important devices for realizing mechanization and modernization of coal mine production, can reduce physical labor, improve safety, and achieve the purposes of high yield, high efficiency and low consumption in mechanical coal mining, has a severe working environment, and can cause the interruption of the whole coal mining work and huge economic loss if a fault occurs.

The coal mining machine can work safely and efficiently in a severe environment, a high-quality and high-performance cable is needed for transmitting electric power and optical signals, the traditional cable cannot be used for efficiently transmitting underground signals, optical fibers are needed for completing transmission, and the cable can be broken or even broken due to the fact that the cable is broken by coal blocks and stones in the working process of the coal mining machine. Therefore, in order to solve the above problems, a pressure-resistant optical/electrical composite cable is required.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell traditional cable exists, provide a reasonable in design, simple structure, the good photoelectric composite cable of protectiveness.

In order to achieve the purpose, the utility model discloses a technical scheme do, a take coal-winning machine photoelectric composite cable of optic fibre, include the cable body and set up the resistance to compression piece in the cable body outside, the cable body includes two control groups, the control group includes optic fibre and enhancement copper wire, it includes many fibre strengthening rope and many thin steel wire and many fibre strengthening rope and many thin steel wire transposition each other to strengthen the copper wire, resistance to compression piece spiral is around outside the cable body, resistance to compression piece is the halfcylinder and is connected with the veneer mode with the cable body, resistance to compression piece outside-in sets gradually to stereoplasm ring, reinforcement net, filler, insulating layer.

Preferably, the cable body comprises a ground wire arranged at the center, two control wire groups, three power wire groups and an outer protective layer, the two control wire groups, the three power wire groups and the outer protective layer are arranged outside the ground wire in a surrounding mode, the control wire groups comprise a control wire core group, an outer wrapping belt layer, an inner protective layer and a metal shielding layer, the control wire core group comprises an optical fiber, three control wires and four reinforcing steel wires, the three control wires and the four reinforcing steel wires are arranged outside the control wire core group in a surrounding mode, and the power wire groups comprise power wires, insulating layers and inner protective layers which are arranged from inside to outside in sequence.

Preferably, the control wire comprises a plurality of copper-aluminum alloy wires which are mutually twisted.

Preferably, the hard ring and the reinforcing mesh are made of metal, and the filler is flame-retardant sponge.

Preferably, the outer protective layer and the inner protective layer are made of ceramic silicon rubber which is made of glass ceramic flame-retardant functional powder serving as a basic raw material.

Preferably, the metal shielding layer comprises copper wires and aluminum wires, and the copper wires and the aluminum wires are woven into a net structure.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model discloses a setting is at the outside resistance to compression spare of the enhancement copper wire of control group and cable body, under the circumstances of guaranteeing cable body normal use, ability and compressive capacity are dragged in the tensile-resistance of reinforcing cable body, and when the cable body in stone or coal cinder pound, the resistance to compression spare can play the effect of buffering.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a coal mining machine photoelectric composite cable with optical fibers according to the present invention;

fig. 2 is a cross-sectional view of a control line set in a photoelectric composite cable of a coal mining machine with optical fibers according to the present invention;

fig. 3 is a schematic structural diagram of the coal mining machine photoelectric composite cable with optical fibers according to the present invention;

fig. 4 is a cross-sectional view of a compression-resistant member of a coal mining machine photoelectric composite cable with optical fibers according to the present invention;

in the above figures:

a cable body; 2. a compression resistant part; 21. a hard ring; 22. reinforcing the net; 23. a filler; 3. an outer jacket; 4. a control wire group; 41. controlling the wire core group; 42. reinforcing the steel wire; 43. a belting layer; 44. a control line; 45. A metal shielding layer; 46. an optical fiber; 5. a power cord set; 51. an insulating layer; 52. a power line; 6. an inner protective layer; 7. and a ground line.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, in order that the cable can realize the transmission of photoelectric signals with high efficiency and stability, the utility model provides a coal mining machine photoelectric composite cable with optical fibers, which comprises a cable body 1 and a compression resistant member 2 arranged outside the cable body 1, the cable body 1 comprises a ground wire 7 arranged in the center, and two control wire groups 4, three power wire groups 5 and an outer protective layer 3 which are arranged outside the ground wire in sequence, the control wire groups 4 transmit optical signals, the power wire groups 5 transmit electric signals, the cross-sectional area of each wire group can be reduced by arranging a plurality of wire groups compared with a single wire group, thereby increasing the flexibility of the cable, and enabling the cable to be suitable for more occasions to use, the power wire group 5 comprises a power wire 52, an insulating layer 51 and an inner protective layer 6 which are arranged from inside to outside in sequence, the insulating layer 51 is made of polypropylene, the polypropylene has excellent chemical resistance, heat resistance and electrical insulation, and can electrically isolate the power line group and the control line group from each other, thereby ensuring electric energy transmission, the control line group 4 comprises a control line core group 41 and a belting layer 43, an inner protection layer 6 and a metal shielding layer 45 which are sequentially arranged outside the control line core group 41, the metal shielding layer 45 comprises copper wires and aluminum wires, and the copper wires and the aluminum wires are woven into a net structure, so that the metal shielding layer 45 can convert mechanisms such as hysteresis loss, dielectric loss, resistance loss and the like into heat energy, potential energy and other forms of energy, consume unnecessary energy, achieve the effect of shielding and absorbing electromagnetic waves, thereby shielding electromagnetic interference generated by the power line 52 in the process of transmitting electric signals, and improving the stability of transmitting optical signals by the control line group 4, the control line core group 41 comprises an optical fiber 46 and three control lines 44, a metal shielding layer, and a metal shielding layer, wherein the power line and the control line group are surrounded outside, four enhancement copper wires 42, optic fibre 46 can realize the effect of 1 high-efficient transmission light signal of cable body, it includes many fibre reinforcing rope and many thin steel wire and many fibre reinforcing rope and many thin steel wire transposition each other to strengthen the copper wire 42, the fibre reinforcing rope is made by nylon, nylon has excellent wearability and good elasticity, can increase its anti-pulling ability under the prerequisite of guaranteeing 1 normal use of cable body like this, ground wire 7 includes many pure copper wires and many pure copper wire transposition each other, pure copper has good electric conductivity, thereby ground wire 7 can prevent to be destroyed and lead to the electric shock accident that cable body 1 electrified causes because insulating layer 51 is destroyed.

In order to improve the fire resistance of the cable, the outer protective layer 3 and the inner protective layer 6 are made of ceramic silicon rubber which is made of glass ceramic flame-retardant functional powder serving as a basic raw material and has the functions of high-efficiency fire prevention and flame retardance.

In order to improve the compression resistance of the cable, the compression-resistant part 2 is spirally wound outside the cable body 1, the compression-resistant part 2 is a semi-cylinder and is connected with the cable body 1 in a gluing mode, the compression-resistant part 2 is arranged to be the semi-cylinder and can be attached to the cable body 1 more tightly, the compression-resistant part 2 is sequentially arranged to be a hard ring 21, a reinforcing net 22, a filler 23 and an insulating layer 51 from outside to inside, the hard ring 21 and the reinforcing net 22 are made of stainless steel, the stainless steel has good compression resistance, supporting performance and wear resistance, the reinforcing net 22 can play a role of buffering when being subjected to external pressure, the structure formed by the thin hard ring 21 and the thick reinforcing net 22 can provide the compression resistance while ensuring the flexibility of the compression-resistant part 2, the filler 23 is a flame-retardant sponge, the flame-retardant sponge has fireproof performance and further enhances the fire resistance of the cable, the flame-retardant sponge can play a role of buffering and rebounding when being extruded by external force as the filler, and the insulating layer 51 can isolate static electricity generated between the cable body 1 and the compression-resistant part 2.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a take coal-winning machine photoelectricity composite cable of optic fibre, includes cable body and sets up the outside resistance to compression piece at cable body, cable body includes two control groups, the control group includes optic fibre and strengthens the copper wire, its characterized in that: the reinforced steel wire comprises a plurality of fiber reinforced ropes and a plurality of thin steel wires, the fiber reinforced ropes and the thin steel wires are mutually twisted, the compression resistant part is spirally wound outside the cable body, the compression resistant part is a semi-cylinder and is connected with the cable body in a gluing mode, and the compression resistant part is sequentially arranged into a hard ring, a reinforcing net, a filler and an insulating layer from outside to inside.

2. The photoelectric composite cable with the optical fiber for the coal mining machine according to claim 1, wherein: the cable body comprises a ground wire arranged at the center, two control wire groups and three power wire groups which surround the ground wire, and an outer protective layer which wraps the ground wire, the power wire groups and the control wire groups, wherein the control wire groups comprise a control wire core group, and a belting layer, an inner protective layer and a metal shielding layer which are sequentially arranged outside the control wire core group, the control wire core group comprises an optical fiber, three control wires which surround the outside of the optical fiber, and four reinforcing steel wires, and the power wire groups comprise the power wire, an insulating layer and an inner protective layer which are sequentially arranged from inside to outside.

3. The photoelectric composite cable with the optical fiber for the coal mining machine as claimed in claim 2, wherein: the control wire comprises a plurality of copper-aluminum alloy wires which are mutually twisted.

4. The photoelectric composite cable with the optical fiber for the coal mining machine according to claim 1 or 3, wherein: the hard ring and the reinforcing net are made of metal materials, and the filler is flame-retardant sponge.

5. The coal mining machine photoelectric composite cable with the optical fiber according to claim 2, characterized in that: the outer protection layer and the inner protection layer are made of ceramic silicon rubber which is made of glass ceramic flame-retardant functional powder serving as a basic raw material.

6. The photoelectric composite cable with the optical fiber for the coal mining machine as claimed in claim 5, wherein: the metal shielding layer comprises copper wires and aluminum wires, and the copper wires and the aluminum wires are woven into a net structure.