CN217982877U - Anti-bending and wear-resistant flexible cable for coal mine mining machine - Google Patents
Anti-bending and wear-resistant flexible cable for coal mine mining machine Download PDFInfo
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- CN217982877U CN217982877U CN202222016186.2U CN202222016186U CN217982877U CN 217982877 U CN217982877 U CN 217982877U CN 202222016186 U CN202222016186 U CN 202222016186U CN 217982877 U CN217982877 U CN 217982877U
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- coal mine
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 title claims abstract description 16
- 238000005065 mining Methods 0.000 title claims description 16
- 238000004804 winding Methods 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 22
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 18
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 18
- 150000002367 halogens Chemical class 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 230000017105 transposition Effects 0.000 claims abstract description 6
- -1 polypropylene Polymers 0.000 claims abstract description 5
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 238000012856 packing Methods 0.000 claims abstract description 3
- 239000011162 core material Substances 0.000 claims description 65
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 229920006240 drawn fiber Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a coal mine is anti crooked stand wear and tear flexible cable for coal mine machine, including three power sinle silk and a control sinle silk equipartition around a grounding core outside and with four PP resin packing core transposition component cable cores jointly, the cable core outside sets up aramid fiber twisted wire winding layer, PET resin winds the covering, low smoke and zero halogen EPDM rubber inner sheath layer, conductive fiber winding shielding layer, low smoke and zero halogen EPDM rubber outer sheath layer and EVA wearing layer, the power sinle silk includes first inner conductor, first low smoke and zero halogen EPDM rubber insulating layer and first fluororesin wind the covering, the control sinle silk includes that three insulation sinle silk and iron powder polypropylene resin core twist jointly and constitute the control line core, the outside cladding of control line core has second low smoke and zero halogen EPDM rubber insulating layer and second fluororesin to wind the covering in proper order. The flexible cable has better flexibility and bending resistance, excellent wear resistance, effective prevention of sheath cracking and durable use.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a coal mine mining machine is with anti-bending stand wear and tear flexible cable.
Background
The cable is suitable for coal mining machines and similar equipment with rated voltage of 1.9/3.3KV and below as a coal mining machine cable for power connection, and comprises a power wire core, a control wire core and a grounding wire core. Moreover, the cable runs continuously along with the equipment, the phenomena of winding, abrasion and the like also occur, the sheath is easy to abrade and crack, the electrical characteristics of the cable are influenced, the safety and the reliability are poor, and the cable is not durable in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a coal mine is stand wear and tear flexible cable of anti-bending for coal-winning machine, and cable core structure is balanced, and pliability and anti bending property are better, and the phenomenon is often taken place to the effectual disconnected core of preventing cable, has excellent wear resistance, prevents effectively that the crust from ftractureing, durable use.
The utility model discloses a make above-mentioned technical problem can solve through following technical scheme.
Anti-bending wear-resistant flexible cable for coal mine mining machine, constitute the cable core around a grounding wire core outside and with four PP resin packing core common transposition including three power sinle silk and a control sinle silk equipartition, the cable core outside has set gradually aramid fiber twist yarn winding layer, PET resin around covering, low smoke and zero halogen EPDM inner sheath layer, conductive fiber winding shielding layer, low smoke and zero halogen EPDM outer sheath layer and EVA wearing layer, power sinle silk includes first inner conductor, first low smoke and zero halogen EPDM insulating layer and first fluororesin around the covering, the control sinle silk includes three insulation sinle silk and iron powder polypropylene resin core common transposition constitution control wire core, insulation sinle silk includes second inner conductor and PFA insulating layer, control wire core outside has low smoke and zero halogen EPDM insulating layer and second fluororesin to wrap the covering in proper order.
Preferably, the first inner conductor is formed by co-twisting a plurality of tin-plated copper monofilaments around a core material of a para-type wholly aromatic copolyamide drawn fiber.
Preferably, the second inner conductor is formed by stranding a plurality of tinned copper wires, and the wire diameter of each tinned copper wire is 0.02 mm-0.05 mm.
Preferably, the PET resin wrapping layer is gap wrapping and the wrapping distance is 2 to 4 times of the bandwidth.
Preferably, the ratio of the outer diameter of the grounding wire core to the outer diameter of the PP resin-filled core material is 0.7.
Preferably, the power core and the control core outside diameter ratio is 1 to 1.15.
Preferably, the aramid fiber twisted wire winding layer is of an aramid fiber twisted wire unidirectional spiral wrapping structure, and the winding direction of the aramid fiber twisted wire winding layer is opposite to the twisting direction of the cable core.
Preferably, the conductive fiber winding shielding layer is a cylindrical supporting net body formed by lapping and weaving double-layer aramid fiber strands in a reverse spiral mode, a plurality of conductive fiber bundles are uniformly distributed on the supporting net body in the circumferential direction, and the conductive fiber bundles are formed by stranding a plurality of polyacrylonitrile-based carbon fibers and coating copper conductive coatings.
Preferably, the grounding wire core has an outer diameter of 2.2mm to 4.5mm.
Preferably, the thickness of the EVA wear-resistant layer is 0.1mm to 0.3mm.
The utility model has the advantages that:
1. the outer diameter ratio among the control wire core, the power wire core, the grounding wire core and the PP resin filling core material is optimized, so that the cable core structure is balanced and has a circular section, the lateral pressure during bending is favorably borne, the flexibility and the bending resistance are improved, the occurrence of core breakage is prevented, the safe and reliable electrical characteristics of the cable are ensured, and the cable is durable in use.
2. The outermost cladding EVA wearing layer of cable just compromises and optimizes thickness, and effectual sheath wear resistance that has improved the cable inhibits that wearing and tearing takes place, prevents the sheath fracture increase of service life.
3. The aramid fiber twisted wire winding layer is coated outside the cable core, the winding direction of the aramid fiber twisted wire winding layer is opposite to the twisting direction of the cable core, the cable core is prevented from being loose, and the flexibility and the bending resistance of the cable are improved.
4. The high-strength ethylene propylene diene monomer rubber has excellent electrical insulation performance and voltage resistance, and the conductive fiber winding shielding layer is additionally arranged between the low-smoke halogen-free ethylene propylene diene monomer rubber inner sheath layer and the low-smoke halogen-free ethylene propylene diene monomer rubber outer sheath layer, so that the flexibility and bending resistance of the whole cable are improved, the anti-electromagnetic interference capability is improved, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
Reference numerals are as follows: 1-power wire core, 11-first inner conductor, 12-first low smoke zero halogen ethylene propylene diene monomer rubber insulating layer, 13-first fluororesin wrapping layer, 14-para-type wholly aromatic copolyamide drawn fiber core material, 2-control wire core, 21-insulating wire core, 211-second inner conductor, 212-PFA insulating layer, 22-iron powder polypropylene resin core material, 23-second low smoke zero halogen ethylene propylene diene monomer rubber insulating layer, 24-second fluororesin wrapping layer, 3-ground wire core, 4-PP resin filling core material, 5-aramid twisted wire winding layer, 6-PET resin wrapping layer, 7-low smoke zero halogen ethylene propylene diene monomer rubber inner sheath layer, 8-conductive fiber winding shielding layer, 9-low smoke zero halogen ethylene propylene diene monomer rubber outer sheath layer and 10-EVA wear-resistant layer.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a coal mine is anti-bending stand wear and tear flexible cable for coal mining machine of embodiment, including three power sinle silk 1 and a control sinle silk 2 equipartition around a grounding core 3 outside and with four PP resin filler core 4 transposition constitution cable core jointly, specific saying so, grounding core 3 external diameter is 2.2mm to 4.5mm. The outer diameter ratio of the grounding core 3 to the PP resin-filled core 4 is 0.7 to 1, the power core 1 and the control core 2 are in an outer diameter ratio of 1 to 1.15.
The power cable core 1 comprises a first inner conductor 11, a first low-smoke halogen-free ethylene propylene diene monomer insulating layer 12 and a first fluororesin wrapping layer 13, and specifically, the first inner conductor 11 is formed by jointly twisting a plurality of tinned copper monofilaments around a counterpoint type aromatic copolyamide tensile fiber core material 14.
The control core 2 comprises three insulation cores 21 and an iron powder polypropylene resin core 22 which are jointly twisted to form a control core body, the insulation cores 21 comprise second inner conductors 211 and PFA insulation layers 212, specifically, the second inner conductors 211 are formed by twisting a plurality of tinned copper wires, and the wire diameters of the tinned copper wires are 0.02mm to 0.05mm. And a second low-smoke halogen-free ethylene propylene diene monomer insulating layer 23 and a second fluorine resin wrapping layer 24 are sequentially coated outside the control wire core body.
The cable core outside has set gradually aramid fiber twist winding layer 5, PET resin around covering 6, low smoke and zero halogen EPDM inner sheath layer 7, conductive fiber winding shielding layer 8, low smoke and zero halogen EPDM outer sheath layer 9 and EVA wearing layer 10, and in an embodiment, aramid fiber twist winding layer 5 is aramid fiber twist one-way spiral around the package structure, aramid fiber twist winding layer 5 around to with the cable core hank is opposite. In one embodiment, the PET resin wrapping 6 is gap wrapped and the pitch is 2 to 4 times the tape width. In one embodiment, the conductive fiber winding shielding layer 8 is formed by reversely spirally winding and weaving double-layer aramid fiber strands to form a cylindrical supporting net body, a plurality of conductive fiber bundles are uniformly distributed on the supporting net body in the circumferential direction, and the conductive fiber bundles are formed by stranding a plurality of polyacrylonitrile-based carbon fibers and coating copper conductive coatings. The thickness of the EVA wear-resistant layer 10 is 0.1mm to 0.3mm.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The coal mine is with anti stand wear and tear flexible cable of bending, characterized by: including three power sinle silk (1) and a control sinle silk (2) equipartition around a earth core (3) outside and with four PP resin packing core (4) transposition jointly constitute the cable core, the cable core outside has set gradually aramid fiber twist yarn winding layer (5), PET resin around covering (6), low smoke and zero halogen ethylene propylene diene monomer inner sheath layer (7), conductive fiber winding shielding layer (8), low smoke and zero halogen ethylene propylene diene monomer outer sheath layer (9) and EVA wearing layer (10), power sinle silk (1) includes first inner conductor (11), first low smoke and zero halogen ethylene propylene diene monomer insulating layer (12) and first fluororesin around covering (13), control sinle silk (2) includes three insulation sinle silk (21) and iron powder polypropylene resin core (22) transposition jointly and constitutes the control sinle silk, insulation sinle silk (21) include second inner conductor (211) and PFA insulating layer (212), the control sinle silk outside cladding has second low smoke and zero halogen ethylene propylene diene monomer insulating layer (23) and second fluorine resin insulating layer (24) in proper order.
2. The flexible bending-resistant and abrasion-resistant cable for the coal mine mining machine according to claim 1, wherein: the first inner conductor (11) is formed by twisting a plurality of tin-plated copper monofilaments together around a para-type wholly aromatic copolyamide drawn fiber core material (14).
3. The flexible bend-resistant and abrasion-resistant cable for a coal mine mining machine according to claim 1, wherein: the second inner conductor (211) is formed by twisting a plurality of tinned copper wires, and the wire diameter of each tinned copper wire is 0.02 mm-0.05 mm.
4. The flexible bend-resistant and abrasion-resistant cable for a coal mine mining machine according to claim 1, wherein: the PET resin wrapping layer (6) is gap wrapping, and the wrapping distance is 2-4 times of the bandwidth.
5. The flexible bend-resistant and abrasion-resistant cable for a coal mine mining machine according to claim 1, wherein: the ratio of the outer diameter of the grounding wire core (3) to the outer diameter of the PP resin filled core material (4) is 0.7.
6. The flexible bend-resistant and abrasion-resistant cable for a coal mine mining machine according to claim 1, wherein: the power wire core (1) and the control wire core (2) have an outer diameter ratio of 1 to 1.15.
7. The flexible bend-resistant and abrasion-resistant cable for a coal mine mining machine according to claim 1, wherein: the aramid fiber twisted wire winding layer (5) is of an aramid fiber twisted wire one-way spiral wrapping structure, and the winding direction of the aramid fiber twisted wire winding layer (5) is opposite to the twisting direction of the cable core.
8. The flexible bend-resistant and abrasion-resistant cable for a coal mine mining machine according to claim 1, wherein: the conductive fiber winding shielding layer (8) is a cylindrical supporting net body formed by winding and weaving double-layer aramid fiber strands in a reverse spiral mode, a plurality of conductive fiber bundles are uniformly distributed on the supporting net body in the circumferential direction, and the conductive fiber bundles are formed by stranding a plurality of polyacrylonitrile-based carbon fibers and coating copper conductive coatings.
9. The flexible bending-resistant and abrasion-resistant cable for the coal mine mining machine according to claim 1, wherein: the outer diameter of the grounding wire core (3) is 2.2mm to 4.5mm.
10. The flexible bending-resistant and abrasion-resistant cable for the coal mine mining machine according to claim 1, wherein: the thickness of the EVA wear-resistant layer (10) is 0.1mm to 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222016186.2U CN217982877U (en) | 2022-08-02 | 2022-08-02 | Anti-bending and wear-resistant flexible cable for coal mine mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222016186.2U CN217982877U (en) | 2022-08-02 | 2022-08-02 | Anti-bending and wear-resistant flexible cable for coal mine mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217982877U true CN217982877U (en) | 2022-12-06 |
Family
ID=84256751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222016186.2U Expired - Fee Related CN217982877U (en) | 2022-08-02 | 2022-08-02 | Anti-bending and wear-resistant flexible cable for coal mine mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217982877U (en) |
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2022
- 2022-08-02 CN CN202222016186.2U patent/CN217982877U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221206 |