CN216980154U - Non-metallic shielding monitoring reinforced optical fiber composite flexible cable for coal mining machine - Google Patents
Non-metallic shielding monitoring reinforced optical fiber composite flexible cable for coal mining machine Download PDFInfo
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- CN216980154U CN216980154U CN202122845915.0U CN202122845915U CN216980154U CN 216980154 U CN216980154 U CN 216980154U CN 202122845915 U CN202122845915 U CN 202122845915U CN 216980154 U CN216980154 U CN 216980154U
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Abstract
The utility model discloses a nonmetal shielding monitoring reinforced optical fiber composite flexible cable for a coal cutter, which comprises: cable core and the inoxidizing coating of parcel in the cable core outside, the cable core includes: the cable comprises a power cable core, a composite cable core, a monitoring cable core and an optical fiber assembly; the power sinle silk, compound sinle silk, optical fiber component use the monitoring sinle silk to form as the central transposition, power sinle silk, compound sinle silk, optical fiber component and monitoring are equipped with special-shaped filler strip between the sinle silk, compound sinle silk, optical fiber component, compound sinle silk includes: the ground wire core wraps the outside of the control wire core. Besides the control wire core with high shielding effect and the monitoring function, the cable is compounded with the super-flexible optical fiber which can resist small-radius bending, so that the coexistence of anti-interference control signal transmission and optical signal transmission is realized, the reinforcing layer and the outer protective layer are added on the cable protective layer, and the impact resistance, smashing resistance and extrusion resistance of the cable are greatly improved.
Description
Technical Field
The utility model relates to the field of cables, in particular to a non-metallic shielding monitoring reinforced optical fiber composite flexible cable for a coal mining machine.
Background
Along with the intelligent development of mine coal mining equipment, optical fibers are widely applied to signal transmission of the coal mining equipment, the non-metal shielding monitoring type cable for the original coal mining machine cannot meet the use requirement of a coal mine, and when the cable is used, an optical cable is required to be laid independently for communication signal transmission, so that the construction time is increased, the independent optical cable is easily damaged by external forces such as impact, rolling and the like in the use process, the communication is interrupted, and the normal coal mining work is influenced.
Meanwhile, the situation that a sheath is damaged or even a wire core is damaged due to impact and smashing and extrusion in the use process of the original nonmetal shielding monitoring type cable for the coal mining machine is often caused, and the damage of the cable and the replacement of the cable cause the waste of a large amount of personnel and time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a nonmetal shielding monitoring reinforced optical fiber composite flexible cable for a coal mining machine, which not only has a control wire core with high shielding effect and a monitoring function, but also is compounded with an ultra-flexible optical fiber capable of resisting small-radius bending, so that the coexistence of anti-interference control signal transmission and optical signal transmission is realized, and a reinforcing layer and an outer protective layer are added on a cable protective layer, so that the impact resistance, smashing resistance and extrusion resistance of the cable are greatly improved.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a coal-winning machine is with compound flexible cable of non-metallic shield monitoring strenghthened type optic fibre, includes: cable core and the inoxidizing coating of parcel in the cable core outside, the cable core includes: the cable comprises a power cable core, a composite cable core, a monitoring cable core and an optical fiber assembly; the power sinle silk, compound sinle silk, optical fiber component use the monitoring sinle silk to form as the central transposition, power sinle silk, compound sinle silk, optical fiber component and monitoring are equipped with special-shaped filler strip between the sinle silk, compound sinle silk, optical fiber component, compound sinle silk includes: the ground wire core wraps the outside of the control wire core.
Furthermore, the number of the power wire cores in the cable core is three, the number of the composite wire cores is two, the number of the monitoring wire cores is one, and the number of the optical fiber assembly is one.
Further, the power core includes: the power line conductor, cladding power line insulating layer and the non-metallic shield layer outside the power line insulating layer outside the power line conductor, wherein the non-metallic shield layer is high molecular polymer, and transition resistance is not more than 3000 omega.
Further, the control wire core comprises: the control line conductor, the control line insulating layer of cladding outside the control line conductor, wherein the control line conductor is the wound form conductor, and the conductor center is the fibre reinforcement, twines 2~118 copper wires around the fibre reinforcement, and copper wire winding angle is 15~ 60.
Further, the ground wire core comprises: a ground conductor, a semi-conductive layer coated outside the ground conductor; the ground wire conductor is formed by spirally winding a plurality of conductor strands on an insulating layer outside the control wire core, wherein the winding angle is 25-60 degrees, the coverage rate is not less than 90%, and the conductor strands are strands formed by twisting a plurality of copper wire bundles.
Further, the transition resistance between the monitoring wire core and the power wire shielding layer is not more than 500 omega.
Furthermore, the optical fiber component consists of an optical fiber core and an optical fiber protective layer coated on the optical fiber core, and can resist 180-degree bending.
Further, the optical fiber core is a multimode optical fiber or a single mode optical fiber, and the optical fiber sheath is made of high-strength fiber and FEP.
Furthermore, the protective layer is composed of an inner protective layer, a reinforcing layer and an outer protective layer.
Further, the reinforcing layer is of a winding type structure or a weaving type structure.
Compared with the prior art, the nonmetal shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine adopting the technical scheme has the following beneficial effects: the monitoring function of the coal mining machine cable is realized in the using process of the mining cable, when the cable is slightly insulated and leaked, a leakage signal can be timely transmitted to equipment through a monitoring line, an alarm is sent out, a responsible person is reminded to timely maintain or replace the cable, the gas explosion condition of the coal mining machine cable caused by electric leakage breakdown blasting is effectively avoided, and the safety of coal mines and personnel is guaranteed; in addition, the super-flexible optical fiber in the cable can perfectly solve the problems of optical fiber vitrification and easy breakage, and realizes the interference-free signal transmission; the outer jacket of the cable is designed in a multilayer structure, so that the problem of damage to the cable core caused by impact and smashing and extrusion can be reduced, and the service life of the cable is greatly prolonged.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
reference numerals: 1. a power wire core; 11. a power line conductor; 12. a power line insulating layer; 13. a non-metallic shielding layer; 2. a control wire core; 21. a control line conductor; 22. a control line insulating layer; 3. a ground wire core; 31. a ground conductor; 32. a semiconducting layer; 4. monitoring the wire core; 5. an optical fiber assembly; 51. an optical fiber core; 52. a fiber optic protective layer; 6. a protective layer; 61. an inner sheath layer; 62. a reinforcing layer; 63. an outer jacket.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, a non-metallic shielding monitoring reinforced optical fiber composite flexible cable for a coal mining machine includes: cable core and parcel are at outside the cable core inoxidizing coating 6, the cable core includes: the cable comprises a power cable core 1, a composite cable core, a monitoring cable core 4 and an optical fiber assembly 5; power sinle silk 1, compound sinle silk, optical fiber assembly 5 are formed with the transposition of supervision sinle silk 4 as the center, power sinle silk 1, compound sinle silk, optical fiber assembly 5 and supervision are equipped with special-shaped filler strip between the sinle silk 4, compound sinle silk includes: the ground wire core 3 wraps the outside of the control wire core 2.
Further in this example, the monitoring core is located in the central special-shaped filler strip, and the optical fiber component 5 and the composite core combination are located in the side gap of the power core 1.
Further in this example, power sinle silk 1 is equipped with three in the cable core, and compound sinle silk is equipped with two, keeps watch on sinle silk 4 and is equipped with one, and optical fiber assembly 5 is equipped with one.
Further in this example, the power wire core 1 comprises: the power line conductor 11, cladding power line insulating layer 12 and the non-metallic shield layer 13 outside power line insulating layer 12 outside power line conductor 11, wherein non-metallic shield layer 13 is high molecular polymer, and transition resistance is not more than 3000 omega.
Further in this example, the control wire core 2 comprises: the control line conductor 21, the control line insulating layer 22 of cladding outside the control line conductor 21, wherein the control line conductor 21 is the wound form conductor, and the conductor center is the fibre reinforcement, twines 2~118 copper wires around the fibre reinforcement, and the copper wire winding angle is 15~ 60.
Further in this example, the ground wire core 3 comprises: a ground conductor 31, a semiconductive layer 32 covering the ground conductor 31; the ground wire conductor 31 is formed by spirally winding a plurality of conductor strands on an insulating layer outside the control wire core 2, wherein the winding angle is 25-60 degrees, the coverage rate is not less than 90%, and the conductor strands are strands formed by twisting a plurality of copper wire bundles.
Further in this example, the resistance of the special-shaped filling strip between the monitoring wire core and the power wire shielding layer is not more than 500 omega.
Further in this embodiment, the optical fiber assembly 5 is composed of an optical fiber core 51 and an optical fiber sheath 52 coated on the optical fiber core 51, and the optical fiber assembly 5 can achieve 180 ° bending resistance.
Further in this example, the optical fiber core 51 is a multimode optical fiber or a single mode optical fiber, and the optical fiber sheath 52 is made of high strength fiber and FEP.
Further in this example, the protective layer 6 is composed of an inner sheath 61, a reinforcing layer 62 and an outer sheath 63.
Further in this example, the reinforcing layer 62 is of a wound or braided construction; the pitch-diameter ratio of the winding type structure is 2-8 times, and the coverage rate is not less than 45%. The woven structure can be formed by weaving a plurality of strands of high-strength fibers or other flexible materials, and also can be formed by weaving a galvanized steel wire and a tinned copper wire, and the weaving coverage rate is not less than 45%.
The inner protective layer and the outer protective layer are made of high molecular polymers, the tensile strength of the inner protective layer and the outer protective layer is not less than 20Mpa, the elongation is not less than 500%, and the hardness is not less than 80.
A nonmetal shielding monitoring reinforced optical fiber composite flexible cable for a coal cutter realizes the monitoring function of the coal cutter cable in the using process of the mining cable, can transmit an electric leakage signal to equipment in time through a monitoring line under the condition that the cable has slight insulation electric leakage, sends out an alarm, reminds responsible personnel of maintaining or replacing the cable in time, and effectively avoids the gas explosion condition caused by the breakdown and blasting of the coal cutter cable due to the electric leakage; the safety of coal mines and personnel is guaranteed; in addition, the super-flexible optical fiber in the cable can perfectly solve the problems of optical fiber vitrification and easy breakage, and the interference-free signal transmission is realized. The protective layer 6 of the cable is designed to be of a multilayer structure, so that the problem of damage to the cable core caused by impact smashing and extrusion can be reduced, and the service life of the cable is greatly prolonged.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (10)
1. The utility model provides a coal-winning machine is with compound flexible cable of non-metallic shield monitoring strenghthened type optic fibre, includes: cable core and parcel are at the outside inoxidizing coating of cable core, its characterized in that: the cable core includes: the cable comprises a power cable core, a composite cable core, a monitoring cable core and an optical fiber assembly; the power sinle silk, compound sinle silk, optical fiber component use the monitoring sinle silk to form as the central transposition, power sinle silk, compound sinle silk, optical fiber component and monitoring are equipped with special-shaped filler strip between the sinle silk, compound sinle silk, optical fiber component, compound sinle silk includes: the ground wire core wraps the outside of the control wire core.
2. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: the cable core is provided with three power wire cores, two composite wire cores, one monitoring wire core and one optical fiber assembly.
3. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: the power line core includes: the power line conductor, cladding power line insulating layer and the non-metallic shield layer outside the power line insulating layer outside the power line conductor, wherein the non-metallic shield layer is high molecular polymer, and transition resistance is not more than 3000 omega.
4. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: the control line core includes: the control line conductor, the control line insulating layer of cladding outside the control line conductor, wherein the control line conductor is the wound form conductor, and the conductor center is the fibre reinforcement, twines 2~118 copper wires around the fibre reinforcement, and copper wire winding angle is 15~ 60.
5. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: the ground wire core comprises: a ground conductor, a semi-conducting layer coated outside the ground conductor; the ground wire conductor is formed by spirally winding a plurality of conductor strands on an insulating layer outside the control wire core, wherein the winding angle is 25-60 degrees, the coverage rate is not less than 90%, and the conductor strands are strands formed by twisting a plurality of copper wire bundles.
6. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: and the transition resistance between the monitoring wire core and the power wire shielding layer is not more than 500 omega.
7. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: the optical fiber component consists of an optical fiber core and an optical fiber protective layer coated on the optical fiber core, and can resist 180-degree bending.
8. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 7, wherein: the optical fiber core is a multimode optical fiber or a single mode optical fiber, and the optical fiber sheath is made of high-strength fiber and FEP.
9. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 1, characterized in that: the protective layer consists of an inner protective layer, a reinforcing layer and an outer protective layer.
10. The non-metallic shielding monitoring reinforced optical fiber composite flexible cable for the coal mining machine according to claim 9, wherein: the reinforcing layer is of a winding type structure or a weaving type structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845915.0U CN216980154U (en) | 2021-11-19 | 2021-11-19 | Non-metallic shielding monitoring reinforced optical fiber composite flexible cable for coal mining machine |
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| CN202122845915.0U CN216980154U (en) | 2021-11-19 | 2021-11-19 | Non-metallic shielding monitoring reinforced optical fiber composite flexible cable for coal mining machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115602390A (en) * | 2022-12-06 | 2023-01-13 | 建业电缆集团有限公司（Cn） | Photoelectric composite cable special for coal mining machine and production process |
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2021
- 2021-11-19 CN CN202122845915.0U patent/CN216980154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115602390A (en) * | 2022-12-06 | 2023-01-13 | 建业电缆集团有限公司（Cn） | Photoelectric composite cable special for coal mining machine and production process |
| CN115602390B (en) * | 2022-12-06 | 2023-03-10 | 建业电缆集团有限公司 | Photoelectric composite cable special for coal mining machine and production process |
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