CN215377052U - Novel metal shielding optical fiber composite rubber jacketed flexible cable for coal mining machine - Google Patents
Novel metal shielding optical fiber composite rubber jacketed flexible cable for coal mining machine Download PDFInfo
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- CN215377052U CN215377052U CN202122044530.4U CN202122044530U CN215377052U CN 215377052 U CN215377052 U CN 215377052U CN 202122044530 U CN202122044530 U CN 202122044530U CN 215377052 U CN215377052 U CN 215377052U
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Abstract
The utility model discloses a novel metal-shielded optical fiber composite rubber jacketed flexible cable for a coal mining machine, which belongs to the technical field of industrial and mining cables, wherein each cable core comprises three power cable cores, two control cable cores and a group of communication cable cores which can be used for standby, the three power cable cores are annularly distributed on the inner side of a sheath, the two control cable cores and the group of communication cable cores are respectively positioned between every two power cable cores and tangent to the corresponding two power cable cores, a semi-conductive special-shaped support for supporting the cable cores is arranged on the inner side of the sheath, and an optical cable unit which is positioned on the center of a cable circle and can monitor the operation load and the working temperature of the cable in real time is arranged at the center of the semi-conductive special-shaped support. The cable has the functions of simultaneously transmitting electric energy, controlling signals, transmitting video communication, measuring temperature and the like, and also has the special performances of excellent extrusion resistance, impact resistance, bending resistance, direct dragging and the like, so that the durability of the cable is greatly improved.
Description
Technical Field
The utility model relates to the technical field of industrial and mining cables, in particular to a novel metal shielding optical fiber composite rubber jacketed flexible cable of a coal mining 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 or lightning protection and simultaneously performs optical fiber communication. The optical cable core is arranged between the power transmission cells of the existing photoelectric composite cable, and can transmit light and electric signals simultaneously.
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 use process, particularly, during night operation, the photoelectric composite cable is easy to be rolled by carrying equipment, 8-shaped or S-shaped severe bending and dragging frequently occur in the moving process, and meanwhile, the photoelectric composite cable is also impacted by falling coal blocks and stones, so that a sheath and an insulating layer of the cable are easy to break and crack, and meanwhile, conductors and optical fibers are easy to break, so that signal interruption of control equipment is caused, short circuit, insulation breakdown or leakage of a line is caused, operation interruption is finally caused, and huge economic loss is brought.
At present, a plurality of enterprises and research institutions in China research and develop optical fiber composite cables for coal mining machines, about 20 optical cable products are produced, but the products are relatively single, the production design of the products is lack of unified specifications, key technologies need to be deeply researched, and the production design standards and product performance test specifications of related products need to be further unified and definitely specified. Therefore, the photoelectric composite cable for domestic comprehensive intelligent coal mining engineering mainly depends on import at present, and the imported product has the disadvantages of high material cost, complex processing technology, high rejection rate of finished cables and potential safety hazards. Therefore, how to solve the problem of the abnormal electric circuit caused by the cable problem and prevent the possible electric accidents are important problems which need to be solved in the coal mine safety production.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The utility model aims to provide a novel metal shielding optical fiber composite rubber jacketed flexible cable for a coal mining machine, and aims to solve the problems in the background technology.
2. Technical scheme
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a novel compound rubber cover flexible cable of coal-winning machine metal shielded fiber, includes sheath and cable core, the cable core can be done reserve communication cable core, two including being ring-type distribution in three inboard power cable cores of sheath, two control cable cores and a set of communication cable core, two control cable core and a set of communication cable core are located respectively between per two power cable cores and tangent with two corresponding power cable cores, the inboard of sheath is equipped with carries out the semiconduction special-shaped support that supports to the cable core, and the central point of semiconduction special-shaped support is equipped with and is located the cable center and can carry out real-time supervision to cable operation load, operating temperature.
Furthermore, the power cable core comprises a power wire core lead, a power wire core insulating layer and a power wire core metal shielding layer, wherein the power wire core lead, the power wire core insulating layer and the power wire core metal shielding layer are sequentially arranged from inside to outside, the power wire core insulating layer is coated on the power wire core lead, and the power wire core metal shielding layer is positioned on the power wire core insulating layer and also serves as a ground wire core.
Further, the control cable core includes from interior to exterior sets gradually two coaxial setting's wire, cladding control sinle silk insulating layer on outermost wire and the composite metal shielding layer that is located on the control sinle silk insulating layer, the wire includes that control sinle silk bundle winds conductor and control sinle silk winding conductor, and control sinle silk bundle is equipped with another control sinle silk insulating layer around between conductor and the control sinle silk winding conductor, alloy shielding layer is woven by compound aramid fiber/tinned copper wire + plastic-aluminum composite belt and is wound the package and form.
Further, the communication cable core is regarded as control core group concurrently, the communication cable core includes from outer two control insulation core, the coating of cladding on two control insulation core that set gradually to interior and is located another alloy shielding layer on the coating, the inboard of coating is equipped with two and carries out the filler strip that supports between control insulation core and the coating, alloy shielding layer is woven by compound aramid fiber/tinned copper wire + aluminium-plastic composite belt around the package and is constituteed.
Furthermore, the optical cable unit consists of a single mode optical fiber and a multimode temperature measuring optical fiber.
Furthermore, the diameters of the control cable core and the communication cable core are equal, the diameter of the power cable core is larger than that of the communication cable core, the semi-conductive special-shaped support is of a herringbone structure, three tip ends of the semi-conductive special-shaped support are small arc-shaped concave surfaces and can respectively support two control cable cores and a group of communication cable cores, and a large arc-shaped concave surface is arranged between every two adjacent small arc-shaped concave surfaces on the semi-conductive special-shaped support and can respectively support three power cable cores.
Furthermore, a plurality of fiber reinforcing ribs are annularly arranged in the sheath, and the fiber reinforcing ribs form a fiber reinforcing layer in the sheath.
3. Advantageous effects
1. The utility model adopts a group of cable cores which CAN meet the requirement of RS and CAN network communication in a coal mine, the structure of the group CAN be used as an optical cable backup, when the optical cable for transmitting video communication signals is broken, the optical cable CAN be used as an emergency backup, and the cable CAN be ensured to work normally so as to reduce the occurrence of electrical accidents.
2. The coaxial control cable core is adopted, and the conducting wire in each control cable core is integrated into one piece by the control wire core bundling conductor and the control wire core winding conductor in a coaxial mode.
3. The semi-conductive special-shaped support can support the cable core, so that the compression resistance of the cable is enhanced, and meanwhile, the electric performance of the cable can be improved and the durability of the cable can be prolonged through the characteristics of the semi-conductive special-shaped support.
In conclusion, the novel metal shielding optical fiber composite rubber jacketed flexible cable for the coal mining machine, provided by the utility model, has the functions of simultaneously transmitting electric energy, signal control, video communication transmission, temperature measurement and the like, and meanwhile, has excellent special performances of extrusion resistance, impact resistance, bending resistance, direct dragging and the like, so that the durability of the cable is greatly improved.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic view of the construction of the sheath;
fig. 3 is a schematic structural diagram of a semiconductive shaped support.
Reference numerals: 1. a sheath; 2. a fiber reinforcement layer; 4. a power cable core; 5. a power wire core metal shielding layer; 6. a power wire core insulating layer; 7. a power wire core lead; 8. a communication cable core; 9. a metal shielding layer; 10. a coating layer; 11. controlling the insulated wire core; 12. filling the strip; 14. a control cable core; 15. a control wire core insulating layer; 16. the control wire core is wound on the conductor; 17. the control wire core is wound with a conductor; 18. an optical cable unit; 19. semiconductive dysmorphism support.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The novel metal-shielded optical fiber composite rubber-sheathed flexible cable for the coal mining machine shown in fig. 1 comprises a sheath 1 and cable cores, wherein the cable cores comprise three power cable cores 4 annularly distributed on the inner side of the sheath 1, two control cable cores 14 and a group of communication cable cores 8 capable of serving as a standby, the two control cable cores 14 and the group of communication cable cores 8 are respectively positioned between every two power cable cores 4 and tangent to the corresponding two power cable cores 4, a semi-conductive special-shaped support 19 for supporting the cable cores is arranged on the inner side of the sheath 1, and an optical cable unit 18 which is positioned on the round center of the cable and can monitor the operation load and the working temperature of the cable in real time is arranged at the center of the semi-conductive special-shaped support 19;
as shown in fig. 1, the power cable core 4 includes a power core wire 7, a power core insulating layer 6 coated on the power core wire 7, and a power core metal shielding layer 5 located on the power core insulating layer 6, which are sequentially arranged from inside to outside, and the power core metal shielding layer 5 also serves as a ground core;
as shown in fig. 1, the control cable core 14 comprises two coaxially arranged wires, a control wire core insulating layer 15 coated on the outermost wire and a composite metal shielding layer 9 positioned on the control wire core insulating layer 15, the wires comprise a control wire core bundle winding conductor 16 and a control wire core winding conductor 17, another control wire core insulating layer 15 is arranged between the control wire core bundle winding conductor 16 and the control wire core winding conductor 17, and the alloy metal shielding layer 9 is formed by winding a composite aramid fiber/tinned copper wire woven and an aluminum-plastic composite tape, the utility model adopts 2 concentric control cable cores 14, and the wires in each control cable core 14 are assembled into one by the control wire core bundle winding conductor 16 and the control wire core winding conductor 17 in a coaxial mode, the arrangement effectively realizes the saving of the outer diameter size of the wire cores, and aims to improve the anti-interference capability and the integral tensile strength of the control cable core 14, a composite metal shielding layer 9 which is formed by composite aramid weaving and aluminum plastic composite tape wrapping is adopted outside the wire core group;
as shown in fig. 1, the communication cable core 8 is also used as a control core group, the communication cable core 8 comprises two control insulation core 11, a coating layer 10 coated on the two control insulation core 11 and another metal shielding layer 9 positioned on the coating layer 10, which are sequentially arranged from outside to inside, two filler strips 12 for supporting the space between the control insulation core 11 and the coating layer 10 are arranged on the inner side of the coating layer 10, and the metal shielding layer 9 is formed by wrapping a composite aramid woven and aluminum-plastic composite tape;
as shown in fig. 1, the optical cable unit 18 is composed of 1-6 single mode optical fibers and 1-4 multimode temperature measuring optical fibers, and the optical cable unit 18 adopted by the present invention is composed of 1-6 single mode optical fibers for signal transmission and 1-4 multimode temperature measuring optical fibers; the cable can monitor the cable load and temperature in real time while being electrified and communicated;
as shown in fig. 3, the diameters of the control cable cores 14 are equal to the diameters of the communication cable cores 8, the diameters of the power cable cores 4 are larger than the diameters of the communication cable cores 8, the semi-conductive special-shaped support 19 is of a herringbone structure, three tips of the semi-conductive special-shaped support 19 are small arc-shaped concave surfaces and can respectively support two control cable cores 14 and one group of communication cable cores 8, a large arc-shaped concave surface is arranged between every two adjacent small arc-shaped concave surfaces on the semi-conductive special-shaped support 19 and can respectively support three power cable cores 4, the cable cores can be supported through the semi-conductive special-shaped support 19, the compression resistance of the cable is enhanced, and meanwhile, the electrical performance of the cable can be improved and the durability of the cable can be prolonged through the characteristics of the semiconductor material;
as shown in fig. 2, a plurality of fiber reinforced ribs are annularly arranged inside the sheath 1, and the fiber reinforced ribs form a fiber reinforced layer 2 inside the sheath 1, so that the fiber reinforced layer 2 can enhance the compression, bending and stretching resistant effects of the sheath 1, thereby enhancing the performance of the cable in use.
Example 2
Example 2 differs from example 1 in that: the alloy shielding layer 9 is wrapped by a tinned copper wire weaving and aluminum-plastic composite tape;
the rest is the same as in example 1.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a novel compound rubber cover flexible cable of coal-winning machine metal shielded fiber, includes sheath (1) and cable core, its characterized in that, the cable core can do reserve communication cable core (8), two including being ring distribution in three power cable cores (4) of sheath (1) inboard, two control cable cores (14) and a set of communication cable core (8) be located respectively between per two power cable cores (4) and tangent with two corresponding power cable cores (4), the inboard of sheath (1) is equipped with semiconduction special-shaped support (19) that carry out the support to the cable core, and the central point of semiconduction special-shaped support (19) is equipped with and is located the cable center and can carry out real-time supervision to cable operation load, operating temperature optical cable unit (18).
2. The novel metal-shielded optical fiber composite rubber-jacketed flexible cable for the coal mining machine according to claim 1, wherein the power cable core (4) comprises a power core wire (7), a power core insulating layer (6) coated on the power core wire (7) and a power core metal shielding layer (5) positioned on the power core insulating layer (6), which are sequentially arranged from inside to outside, and the power core metal shielding layer (5) is also used as a ground wire core.
3. The novel composite rubber jacketed flexible cable with the metal shielding fiber for the coal mining machine as claimed in claim 1, wherein the control cable core (14) comprises two coaxially arranged wires, a control wire core insulating layer (15) coated on the outermost wire and a composite metal shielding layer (9) located on the control wire core insulating layer (15) from inside to outside in sequence, the wire comprises a control wire core bundle winding conductor (16) and a control wire core winding conductor (17), another control wire core insulating layer (15) is arranged between the control wire core bundle winding conductor (16) and the control wire core winding conductor (17), and the composite metal shielding layer (9) is formed by weaving composite aramid/tinned copper wires and wrapping aluminum-plastic composite tapes.
4. The novel composite rubber jacketed flexible cable with metal shielding optical fibers for the coal mining machine as claimed in claim 1, wherein the communication cable core (8) is also used as a control core group, the communication cable core (8) comprises two control insulated wire cores (11) which are sequentially arranged from outside to inside, a coating layer (10) coated on the two control insulated wire cores (11) and an alloy shielding layer (9) positioned on the coating layer (10), two filling strips (12) for supporting the control insulated wire cores (11) and the coating layer (10) are arranged on the inner side of the coating layer (10), and the alloy shielding layer (9) is formed by weaving composite aramid/tinned copper wires and aluminum-plastic composite tapes.
5. The novel metal shielding optical fiber composite rubber jacketed flexible cable for coal mining machine according to claim 1, characterized in that the optical cable unit (18) is composed of 1-6 single mode optical fibers and 1-4 multimode temperature measuring optical fibers.
6. The novel metal-shielded optical fiber composite rubber-sheathed flexible cable for the coal mining machine according to claim 1, wherein the diameter of the control cable core (14) is equal to that of the communication cable core (8), the diameter of the power cable core (4) is larger than that of the communication cable core (8), the semi-conductive special-shaped support (19) is of a herringbone structure, three tips of the semi-conductive special-shaped support (19) are small arc-shaped concave surfaces and can respectively support two control cable cores (14) and a group of communication cable cores (8), and a large arc-shaped concave surface is arranged between every two adjacent small arc-shaped concave surfaces on the semi-conductive special-shaped support (19) and can respectively support three power cable cores (4).
7. The novel metal shielding optical fiber composite rubber jacketed flexible cable for coal mining machine according to claim 1, characterized in that a plurality of fiber reinforcing ribs are annularly arranged inside the sheath (1), and the fiber reinforcing ribs form a fiber reinforcing layer (2) inside the sheath (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122044530.4U CN215377052U (en) | 2021-08-27 | 2021-08-27 | Novel metal shielding optical fiber composite rubber jacketed flexible cable for coal mining machine |
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| CN202122044530.4U CN215377052U (en) | 2021-08-27 | 2021-08-27 | Novel metal shielding optical fiber composite rubber jacketed flexible cable for coal mining machine |
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| CN215377052U true CN215377052U (en) | 2021-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999718A (en) * | 2022-06-14 | 2022-09-02 | 上海蓝昊电气江苏有限公司 | Super-durable optical fiber composite coal mining machine cable |
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2021
- 2021-08-27 CN CN202122044530.4U patent/CN215377052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999718A (en) * | 2022-06-14 | 2022-09-02 | 上海蓝昊电气江苏有限公司 | Super-durable optical fiber composite coal mining machine cable |
| CN114999718B (en) * | 2022-06-14 | 2024-08-27 | 上海蓝昊电气江苏有限公司 | Super durable optical fiber composite coal mining machine cable |
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