CN215577812U - Multifunctional flexible tensile shuttle car cable for coal mine - Google Patents
Multifunctional flexible tensile shuttle car cable for coal mine Download PDFInfo
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- CN215577812U CN215577812U CN202122074577.5U CN202122074577U CN215577812U CN 215577812 U CN215577812 U CN 215577812U CN 202122074577 U CN202122074577 U CN 202122074577U CN 215577812 U CN215577812 U CN 215577812U
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- 230000009975 flexible effect Effects 0.000 title claims abstract description 46
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 32
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 26
- 229920006231 aramid fiber Polymers 0.000 claims description 20
- 238000009941 weaving Methods 0.000 claims description 17
- 229920002943 EPDM rubber Polymers 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000004760 aramid Substances 0.000 claims description 5
- 230000017105 transposition Effects 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000009954 braiding Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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Abstract
The utility model discloses a multifunctional flexible tensile shuttle car cable for coal mines, which comprises a cable core, a tensile reinforcing layer and an outer sheath, wherein the tensile reinforcing layer and the outer sheath are wrapped outside the cable core from inside to outside, the cable core is formed by twisting three power wire cores and a control wire core, a central tensile element is filled at the edge part of the cable core, the power wire cores and the control wire core respectively comprise flexible tensile winding structure conductors, an auxiliary tensile element is arranged inside the flexible tensile winding structure conductors, and small-pitch cabling is adopted to improve the tensile and bending properties of the control wire cable core.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a multifunctional flexible tensile shuttle car cable for a coal mine.
Background
The shuttle car is used for conveying coal and moves back and forth between the coal face and the conveying belt. One end of the shuttle car cable is connected with the shuttle car, and the other end of the shuttle car cable is connected with the power supply. The cable is always in a periodic motion of being wound-straightened-rewound-straightened as the shuttle car moves. Because the environment is abominable in the pit of colliery, wear-resisting, often curl and draw, have to bear great pulling force, be in high load, overload running state always, often cause cable core breaking, short circuit, conductor generate heat, insulating layer damage, spiral deformation, sheath damage, and then lead to cable life weak point, with high costs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a shuttle car cable in the prior art is easy to damage in a frequent stretching and bending environment, and provides a multifunctional flexible tensile shuttle car cable for a coal mine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multifunctional flexible tensile shuttle car cable for a coal mine comprises a cable core, and a tensile reinforcing layer and an outer sheath which are wrapped outside the cable core from inside to outside. The cable core is formed by twisting three power wire cores and a control wire core, and a central tensile element is filled at the edge part of the cable core in the tensile reinforcement layer.
The power wire core comprises a flexible tensile winding structure conductor and an inner insulating layer, an aramid fiber wire weaving layer and an outer insulating layer which are wrapped outside the flexible tensile winding structure conductor. The flexible tensile winding structure conductor is formed by twisting an auxiliary tensile element positioned in the middle and an anaerobic tinned monofilament wound outside the auxiliary tensile element, the flexible tensile winding structure conductor is formed by twisting and twisting anaerobic tinned monofilaments with the diameter of less than 0.08mm in a small pitch, the small pitch is cabled, the tensile and bending performance of a wire core can be improved, the surface of each monofilament is kept clean without oil stains during twisting, and an auxiliary insulating layer is wrapped outside the auxiliary tensile element in a squeezing mode.
Preferably, the auxiliary tensile element is a strand which is twisted by 42 Kevlav29 fiber bundles and has the diameter of 3.1mm, and the tensile and flexible properties of the power wire core are enhanced.
Preferably, the aramid fiber silk weaving layer is formed by weaving aramid fiber silk, and the tensile property of the power wire core is further enhanced.
The inner insulating layer and the outer insulating layer of the power wire core are made of high-strength ethylene propylene diene monomer rubber, the high-strength ethylene propylene diene monomer rubber has excellent electrical insulating property, high strength and tear resistance, and the service performance can be still maintained in the severe environment. The power wire core adopts the structure of the insulating layer, the reinforcing layer and the insulating layer, so that the flexibility and the tensile strength of the cable can be greatly improved, the cable can still protect the conductor structure and ensure the electrical and physical mechanical properties of the insulation even in a complex working condition environment.
Further, the control sinle silk includes rubber tensile component, twines in the outside wire layer of rubber tensile component and wraps around the package in the outside two-sided coating rubber cloth belting layer of wire layer, the wire layer includes the wire body of a plurality of transposition, the wire body is formed by flexible tensile winding structure conductor and the control insulation layer and the mixed braiding layer of wrapping up in flexible tensile winding structure conductor outside in proper order, mixed braiding layer is formed by tinned copper wire and aramid fiber mixed braiding, the wire layer is formed by root wire body transposition. The control core makes the cable have signal transmission's function, and the anti-jamming capability of control core has been improved in weaving of tinned copper wire.
Preferably, the central tensile element comprises a tensile member formed by twisting 42 Kevlav29 fiber bundles into strands with the diameter of 3.1mm and an insulating rubber layer extruded outside the tensile member, so that the tensile property of the cable is improved.
In the utility model, the auxiliary insulating layer, the control insulating layer and the insulating rubber layer are made of high-strength ethylene propylene diene monomer.
Preferably, the tensile reinforcement layer is formed by weaving aramid fibers, so that the tensile strength of the cable is enhanced.
Preferably, the outer sheath is a polyether polyurethane elastomer and has the characteristics of impact resistance, tensile resistance, wear resistance and softness.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the multifunctional flexible tensile shuttle car cable for the coal mine is provided with a central tensile element, wherein the central tensile element is formed by twisting 42 Kevlav29 fiber bundles into a 3.1 mm-diameter strand and externally extruding and wrapping high-strength ethylene propylene diene monomer rubber, and the high-strength ethylene propylene diene monomer rubber is preferentially born when the cable is subjected to external tensile force, so that the effect of protecting a cable core is achieved;
(2) the cable is characterized in that the outer part of the power wire core is provided with an inner insulating layer, a reinforcing layer and an outer insulating layer structure, so that the wire core has good torsion resistance, high flexibility and tensile property;
(3) the cable has a control wire core, has signal transmission and other multifunctionalities, and adopts tinned copper wires to weave so as to improve the shielding performance;
(4) the power wire core and the control wire core in the cable are both provided with flexible tensile winding structure conductors, auxiliary tensile elements are arranged in the flexible tensile winding structure conductors, and small-pitch cabling is adopted, so that the tensile and bending properties of the control wire core are improved;
(5) the outer layer of the cable adopts aramid fiber yarns to weave reinforced and polyether polyurethane sheaths, so that the bending resistance and the wear resistance of the cable are improved.
In summary, the multifunctional flexible tensile shuttle car cable for the coal mine has the characteristics of tensile strength, wear resistance, flexibility and torsion resistance, and is very suitable for the working environment of underground friction and frequent curling and stretching of the coal mine.
Drawings
Fig. 1 is a schematic structural diagram of the multifunctional flexible tensile shuttle car cable for coal mines.
In the figure: 1. a power wire core; 2. a control wire core; 3. a central tensile element; 4. a tensile reinforcement layer; 5. an outer sheath; 11. an auxiliary tensile element; 12. an auxiliary insulating layer; 13. an oxygen-free tinned monofilament; 14. an inner insulating layer; 15. an aramid fiber yarn braid layer; 16. an outer insulating layer; 21. a rubber tensile element; 22. mixing the braided layers; 23. a control insulating layer; 24. coating an elastic fabric tape layer on the two sides; 31. a tensile member; 32. an insulating rubber layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the multifunctional flexible tensile shuttle car cable for coal mines in the embodiment includes a cable core, and a tensile reinforcement layer 4 and an outer sheath 5 wrapping the cable core from inside to outside. The cable core is formed by twisting three power wire cores 1 and a control wire core 2, and a central tensile element 3 is filled at the edge part of the cable core inside the tensile reinforced layer 4.
The power wire core 1 comprises a flexible tensile winding structure conductor, and an inner insulating layer 14, an aramid fiber wire weaving layer 15 and an outer insulating layer 16 which are wrapped outside the flexible tensile winding structure conductor. The flexible tensile winding structure conductor is formed by twisting an auxiliary tensile element 11 positioned in the middle and an anaerobic tinned monofilament 13 wound outside the auxiliary tensile element 11, the flexible tensile winding structure conductor is formed by twisting the anaerobic tinned monofilament with the diameter of less than 0.08mm in a small pitch mode, the small pitch is cabled, the tensile and bending performance of a wire core can be improved, the surface of the monofilament is kept clean and free of oil stains during twisting, and an auxiliary insulating layer 12 is wrapped outside the auxiliary tensile element 11 in a squeezing mode.
In this embodiment, the auxiliary tensile element 11 is a strand twisted by 42 Kevlav29 fiber bundles to have a diameter of 3.1mm, which enhances the tensile and flexible properties of the power wire core 1.
In this embodiment, aramid fiber silk weaving layer 15 is woven by aramid fiber silk and is formed, further strengthens power sinle silk 1's tensile property.
The inner insulating layer 14 and the outer insulating layer 16 of the power wire core 1 are both made of high-strength ethylene propylene diene monomer rubber, and the high-strength ethylene propylene diene monomer rubber has excellent electrical insulating property, high strength and tear resistance, and can still maintain the use performance in severe environment. The power wire core 1 adopts the structure of the insulating layer, the reinforcing layer and the insulating layer, so that the flexibility and the tensile strength of the cable can be greatly improved, the cable can still protect the conductor structure and ensure the electrical and physical mechanical properties of the insulation even in a complex working condition environment.
Further, control sinle silk 2 includes rubber tensile component 21, twines in the outside wire layer of rubber tensile component 21 and winds the package in the outside two-sided coating rubber cloth belting layer 24 of wire layer, the wire layer includes the wire body of a plurality of transposition, the wire body is formed by flexible tensile winding structure conductor and the control insulating layer 22 and the mixed weaving layer 23 that wrap up in flexible tensile winding structure conductor outside in proper order, mixed weaving layer 23 is woven by tinned copper wire and aramid fiber silk mixture and is formed, the wire layer is formed by 6 wire body transposition. The control wire core 2 enables the cable to have a signal transmission function, and the tinned copper wire is woven to improve the anti-interference capacity of the control wire core 2.
In this embodiment, the central tensile element 3 comprises a tensile member 31 formed by twisting 42 Kevlav29 fiber bundles into a strand with a diameter of 3.1mm and an insulating rubber layer 32 extruded outside the tensile member 31, so as to improve the tensile property of the cable.
In the present invention, the auxiliary insulating layer 12, the control insulating layer 22 and the insulating rubber layer 32 are made of high strength ethylene propylene diene monomer.
In this embodiment, the tensile reinforcement layer 4 is formed by weaving aramid filaments, so as to reinforce the tensile strength of the cable.
In this embodiment, the outer sheath 5 is a polyether polyurethane elastomer, and has the characteristics of impact resistance, tensile strength, wear resistance and softness.
The multifunctional flexible tensile shuttle car cable for the coal mine in the embodiment has the characteristics of tensile strength, wear resistance, flexibility and torsion resistance, and is very suitable for the working environment of underground friction and frequent curling and stretching of the coal mine.
Example 2
This embodiment provides a utensil production example of multi-functional flexible tensile shuttle car cable for coal mine:
the method comprises the following steps: stranding 40 aramid fiber bundles with the bundle stranding pitch being 25 times of the bundle stranding pitch into strands to form a winding wound on the auxiliary tensile element 11, extruding and wrapping insulating rubber outside the winding wound on the auxiliary tensile element 11 to form an auxiliary insulating layer 12 with the diameter of 5.0mm, winding 3183/0.08 oxygen-free tinned monofilaments on the auxiliary insulating layer 12, and cabling at a small pitch to obtain a first flexible tensile winding structure conductor for the power wire core 1;
step two: the flexible tensile winding structure is characterized in that the first flexible tensile winding structure conductor is extruded with insulating rubber with the thickness of 1.2mm, the insulating layer is woven by positive and negative 3-spindle 1000D aramid fibers to form an aramid fiber woven layer 15, and the aramid fiber woven layer 15 is extruded with high-strength insulating rubber with the thickness of 1.5mm to form the whole power wire core.
Step three: stranding 40 aramid fiber bundles with the bundle stranding pitch being 25 times of the bundle stranding pitch into strands to form a winding wound on the auxiliary tensile element 11, extruding and wrapping insulating rubber outside the winding wound on the auxiliary tensile element 11 to form an auxiliary insulating layer 12 with the diameter of 3.0mm, winding 1989/0.08 oxygen-free tinned monofilaments on the auxiliary insulating layer 12, and forming a cable with a small pitch to obtain a flexible tensile winding structure conductor II for controlling the wire core 2;
step four: extruding high-strength insulating rubber with the thickness of 1.2mm outside a flexible tensile winding structure conductor to form a control insulating layer 22, weaving 24 spindles of 9 aramid fiber wires with the thickness of 0.3mm and tinned copper wires outside the control insulating layer 22 to form a mixed braided layer 23 in a mixed weaving mode, wherein the weaving pitch of the mixed braided layer 23 is 60-80%, and the metal weaving density is more than or equal to 80% to obtain a conductor body; the method comprises the steps of stranding 6 wire bodies with the same size outside a rubber tensile element 21 into a cable by adopting a pitch diameter ratio of 6-7 times, wrapping a double-coated rubber cloth belt layer on the outer layer to obtain a double-coated rubber cloth belt layer 24, and obtaining a control wire core 2, wherein the overlapping rate of the double-coated rubber cloth belt layer 24 is 10% -20%.
Step five: twisting three power wire cores 1 and a control cable core 2 according to a 0+4 structure to form a cable core, filling a central tensile element 3 in the middle of the cable core, forming a cable pitch-diameter ratio of 6-8 times, and weaving positive and negative 8-spindle 2000D aramid fibers outside the cable core to form a tensile reinforced layer 4;
step six: and extruding the outer sheath 5 outside the tensile reinforced layer 4 by adopting an extrusion type, and controlling the thickness to be 3.5mm to obtain a finished cable product.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The multifunctional flexible tensile shuttle car cable for the coal mine is characterized by comprising a cable core, a tensile reinforcing layer (4) and an outer sheath (5), wherein the tensile reinforcing layer and the outer sheath are wrapped outside the cable core from inside to outside, the cable core is formed by twisting three power wire cores (1) and a control wire core (2), and a central tensile element (3) is filled at the edge part of the cable core;
the power cable core (1) comprises a flexible tensile winding structure conductor, an inner insulating layer (14), an aramid fiber wire woven layer (15) and an outer insulating layer (16), wherein the inner insulating layer, the aramid fiber wire woven layer and the outer insulating layer are wrapped outside the flexible tensile winding structure conductor, the flexible tensile winding structure conductor is formed by twisting an auxiliary tensile element (11) located in the middle and an oxygen-free tin-plated monofilament (13) wound outside the auxiliary tensile element (11), and the auxiliary insulating layer (12) is wrapped outside the auxiliary tensile element (11) in a squeezing mode;
control sinle silk (2) include rubber tensile component (21), twine in the outside wire layer of rubber tensile component (21) and around package in the outside two-sided coating rubber cloth belting layer (24) of wire layer, the wire layer includes the wire body of a plurality of transposition, the wire body is formed by flexible tensile winding structure conductor and control insulating layer (22) and mixed weaving layer (23) of wrapping up in flexible tensile winding structure conductor outside in proper order.
2. The multifunctional flexible tensile shuttle car cable for coal mines according to claim 1, wherein the auxiliary tensile element (11) is a strand stranded by 42 Kevlav29 fiber bundles with a diameter of 3.1 mm.
3. The multifunctional flexible tensile shuttle car cable for coal mines according to claim 2, wherein the central tensile element (3) comprises a tensile member (31) stranded by 42 Kevlav29 fiber bundles into strands with the diameter of 3.1mm and an insulating rubber layer (32) extruded outside the tensile member (31).
4. The multifunctional flexible tensile shuttle car cable for coal mines according to claim 1 or 3, wherein the materials of the auxiliary insulating layer (12), the inner insulating layer (14), the outer insulating layer (16), the control insulating layer (22) and the insulating rubber layer (32) are high-strength ethylene propylene diene monomer.
5. The multifunctional flexible tensile shuttle car cable for coal mines according to claim 4, wherein the tensile reinforcement layer (4) is formed by aramid yarn weaving.
6. The multifunctional flexible tensile shuttle car cable for coal mines according to claim 4, wherein the outer sheath (5) is polyether polyurethane elastomer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122074577.5U CN215577812U (en) | 2021-08-31 | 2021-08-31 | Multifunctional flexible tensile shuttle car cable for coal mine |
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| CN202122074577.5U CN215577812U (en) | 2021-08-31 | 2021-08-31 | Multifunctional flexible tensile shuttle car cable for coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376738A (en) * | 2022-09-01 | 2022-11-22 | 远东电缆有限公司 | Intelligent monitoring high-power charging cable for new energy automobile and production process thereof |
| CN118737560A (en) * | 2024-07-05 | 2024-10-01 | 广州广日电气设备有限公司 | A photoelectric composite cable for tethered drones |
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2021
- 2021-08-31 CN CN202122074577.5U patent/CN215577812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376738A (en) * | 2022-09-01 | 2022-11-22 | 远东电缆有限公司 | Intelligent monitoring high-power charging cable for new energy automobile and production process thereof |
| CN118737560A (en) * | 2024-07-05 | 2024-10-01 | 广州广日电气设备有限公司 | A photoelectric composite cable for tethered drones |
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