CN219286076U - Tensile cable for thin seam shearer - Google Patents
Tensile cable for thin seam shearer Download PDFInfo
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- CN219286076U CN219286076U CN202320213690.3U CN202320213690U CN219286076U CN 219286076 U CN219286076 U CN 219286076U CN 202320213690 U CN202320213690 U CN 202320213690U CN 219286076 U CN219286076 U CN 219286076U
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- 239000003063 flame retardant Substances 0.000 claims abstract description 19
- 238000005065 mining Methods 0.000 claims abstract description 19
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000005253 cladding Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 77
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000012792 core layer Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 12
- 238000009413 insulation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a tensile cable for a low seam mining machine, which comprises a cable body, wherein the cable body comprises a cable core, and an inner sheath, a reinforcing layer and an outer sheath which are coaxially and sequentially extruded outside the cable core; the inner sheath consists of a cladding core and an outer ring core coaxially extruded outside the cladding core, a plurality of buffer grooves are formed in the inner wall of the outer ring core at equal intervals, the reinforcing layer comprises a tensile layer and a tearing-resistant armor layer coaxially and sequentially coated outside the inner sheath, and the tensile layer consists of a plurality of tearing-resistant filling ropes braided and stranded by strands; the outer sheath comprises a flame retardant layer, a waterproof rubber sleeve layer and a rubber sheath layer which are coaxially and sequentially extruded outside the inner liner layer. Aiming at the defects of the cable arrangement structure in the prior art and the problems that the cable is easy to break under frequent bending, the utility model improves the cable arrangement structure and has the advantages of enhancing the self-traction resistance, tearing resistance, external pressure resistance and the like.
Description
Technical Field
The utility model relates to the technical field of cables of coal mining machines, in particular to a tensile cable for a thin seam coal mining machine.
Background
The coal cutter is large-scale equipment integrating machinery, electricity and hydraulic, the electric machinery needs to be cooled by water in the coal cutting operation of the coal cutter, spraying dust fall is more needed to the coal face, the electric machinery is cooled by a cable, the spraying dust fall is needed by a water pipe, but the cable and the water pipe are used separately and in parallel, and the cable and the water pipe need to be respectively put into a towing cable to clamp the labor and the labor; the rubber jacketed flexible cable of the coal mining machine can only provide a power supply and a control power supply required by the coal mining machine, has no function of transmitting communication signals, and can lead to breakage and stretch-breaking of the control wire core due to the action of multiple mechanical stresses such as frequent bending and stretching in the operation process, particularly, the control wire core extruded when the bending radius of the cable of the coal mining machine is reduced is more frequently broken when the cable of the coal mining machine is used for a thin and thinner coal seam working face due to the fact that the working face is low, so that the labor intensity of workers is increased, and normal production is seriously influenced by the replacement of the cable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a tensile cable for a low seam mining machine, so as to solve the problems that the cable arrangement structure in the prior art has defects and is easy to break under frequent bending. The utility model has the advantages of enhancing the traction resistance, tear resistance, external pressure resistance and the like of the cable.
The utility model is realized by the following technical scheme: the utility model discloses a tensile cable for a low seam mining machine, which comprises a cable body, wherein the cable body comprises a cable core, and an inner sheath, a reinforcing layer and an outer sheath which are coaxially and sequentially extruded outside the cable core; the inner sheath consists of a cladding core and an outer ring core coaxially extruded outside the cladding core, a plurality of buffer grooves are formed in the inner wall of the outer ring core at equal intervals, the reinforcing layer comprises a tensile layer and a tearing-resistant armor layer coaxially and sequentially coated outside the inner sheath, and the tensile layer consists of a plurality of tearing-resistant filling ropes braided and stranded by strands; the outer sheath comprises a flame retardant layer, a waterproof rubber sleeve layer and a rubber sheath layer which are coaxially and sequentially extruded outside the inner liner layer.
Further, for the transmission of power signals, the cable core consists of a wire core group A, a wire core group B and a wire core group C, wherein the wire core group A consists of three control wire cores and an insulating sheath extruded outside the control wire cores, the wire core group B consists of three power wire cores wound outside the wire core group A, the wire core group C consists of three ground wire cores arranged between adjacent power wire cores at intervals, the distribution is uniform, the ground wire cores and the control wire cores consist of conductors and insulating layers coaxially extruded outside the conductors, and the power wire cores consist of conductors and a semi-conductive inner shielding layer coaxially extruded outside the conductors in sequence.
Furthermore, in order to have a good tearing resistance effect, the tearing resistance filling rope is formed by twisting a plurality of strands of glass fiber into a bundle.
Furthermore, in order to enhance the integral fireproof and high-temperature-resistant performance of the cable, the flame-retardant layer is made of organic flame-retardant mud.
Further, in order to play a role of a thermal barrier, when the temperature of the cable suddenly rises (the wire core heats), the insulation of the semi-conductive inner shielding layer is realized, the insulation layer cannot be immediately impacted by high temperature, the temperature rise of the insulation layer is reduced to a certain extent, the main insulation is protected, and the semi-conductive inner shielding layer is made of copper wires in a sparse winding mode.
Further, in order to be able to stabilize the protection to the inner layer structure, avoid external force to pull and make the cable inner core fracture, tear-resistant armor is enclosed into airtight ring by the steel wire that the cross section is fan annular.
Furthermore, in order to have better flame-retardant and tearing-resistant effects, the rubber sheath layer is made of flame-retardant crosslinked polyethylene materials and has higher fire resistance.
Furthermore, in order to ensure that the cable has excellent weather resistance, heat resistance and flame retardance, the friction coefficient can be reduced, the chemical property is stable, the electrical property is excellent, and the cable has better electrical insulation property, and the inner liner is made of fluoroplastic materials.
The utility model has the following advantages:
the utility model integrates the control line, the power line and the ground wire into a whole and equidistantly distributes the extrusion reinforcing layer and the sheath to form a flat cable, the ground wire, the control line and the power line are kept at intervals, the defect of over-tightening during installation is avoided, the inner sheath consists of a cladding core and an outer ring core coaxially extruded outside the cladding core, and the inner wall of the outer ring core is equidistantly provided with a plurality of buffer grooves, so that the cable has better pressure resistance and impact resistance and simultaneously reduces the overall weight of the cable, the whole cable is soft and flexible and has elasticity, the reinforcing layer comprises a tensile layer and a tearing-resistant armor layer, which are coaxially and sequentially coated outside the inner sheath, and the tensile layer consists of a plurality of tearing-resistant filling ropes which are braided and twisted, so that the cable has the characteristics of tearing resistance, tension resistance and strong softness; the outer sheath comprises an inner liner layer, a waterproof rubber sleeve layer and a rubber sheath layer which are coaxially and sequentially extruded outside the inner liner layer, the flame retardant layer is made of organic fireproof mud and always in a non-curing state, and the bending of the cable is not affected while the integral fireproof high-temperature resistance of the cable is enhanced.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a cable core; 2. an inner sheath; 201. coating the core; 202. an outer ring core; 203. a buffer tank; 3. a reinforcing layer; 301. a tensile layer; 302. a tear resistant armor layer; 303. a tear resistant fill cord; 4. an outer sheath; 401. an inner liner layer; 402. a flame retardant layer; 403. a waterproof rubber sleeve layer; 404. a rubber sheath layer; 5. a power wire core; 6. a ground wire core; 7. a control wire core; 8. an insulating sheath; 9. a semiconductive inner shield; 10. a cable body; 11. an insulating layer; 12. and a protective core layer.
Detailed Description
The following detailed description of embodiments of the present utility model, which are given by taking the technical solution of the present utility model as a premise, gives detailed embodiments and specific operation procedures, but the scope of the present utility model is not limited to the following embodiments, and in the description of the present utility model, words indicating orientation or positional relationship like "front", "rear", "left", "right", etc. are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
The utility model provides a technical scheme that: the tensile cable for the low seam mining machine comprises a cable body 10, wherein the cable body 10 comprises a cable core 1, and an inner sheath 2, a reinforcing layer 3 and an outer sheath 4 which are coaxially and sequentially extruded outside the cable core 1; the inner sheath 2 consists of a cladding core 201 and an outer ring core 202 coaxially extruded outside the cladding core 201, a plurality of buffer grooves 203 are formed in the inner wall of the outer ring core 202 at equal intervals, the reinforcing layer 3 comprises a tensile layer 301 and a tearing-resistant armor layer 302 coaxially and sequentially coated outside the inner sheath 2, and the tensile layer 301 consists of a plurality of strands of braided and stranded tearing-resistant filling ropes 303; the outer sheath 4 comprises a flame retardant layer 402, a waterproof rubber sleeve layer 403 and a rubber sheath layer 404 which are coaxially and sequentially extruded outside the inner liner 401.
As shown in fig. 1, the cable core 1 is composed of a core group a, a core group B and a core group C, wherein the core group a is composed of three control cores 7 and an insulating sheath 8 extruded outside the control cores 7, the core group B is composed of three power cores 5 wound outside the core group a, the core group C is composed of three ground wires 6 arranged between adjacent power cores 5 at intervals, the ground wires 6 and the control cores 7 are composed of conductors and insulating layers 11 coaxially extruded outside the conductors, the power cores 5 are composed of conductors and insulating layers 12 and semiconductive inner shielding layers 9 coaxially extruded outside the conductors in sequence, and the power signals are transmitted.
As shown in fig. 1 and 2, the tear-resistant filler rope 303 is formed by twisting a plurality of glass fiber strands, and has a good tear-resistant effect.
As shown in fig. 1 and 2, the flame retardant layer 402 is made of an organic flame retardant mud, which enhances the overall flame and high temperature resistance of the cable.
As shown in fig. 1 and 2, the semiconductive inner shielding layer 9 is made of copper wires by sparse winding, and plays a role of a thermal barrier, when the temperature of the cable suddenly rises (the wire core heats), the semiconductive inner shielding layer 9 is isolated, the insulation sheath 8 cannot be impacted immediately by high temperature, the temperature rise of the insulation sheath 8 is reduced to a certain extent, and main insulation is protected.
As shown in fig. 1 and 2, the tear-resistant armor layer 302 is enclosed by steel wires with a fan-shaped cross section into a closed circular ring shape, so that the inner layer structure can be stably protected, and the cable core is prevented from being broken by external force pulling.
As shown in fig. 1 and 2, the rubber sheath layer 404 is made of a flame-retardant crosslinked polyethylene material, has a better flame-retardant and tear-resistant effect, and has higher fire resistance.
As shown in fig. 1 and 2, the inner liner 401 is made of fluoroplastic material, so that the cable has excellent weather resistance, heat resistance and flame retardance, can reduce friction coefficient, has stable chemical property and excellent electrical property, and has better electrical insulation property.
The principle of the utility model is as follows: the flexible cable of the coal mining machine integrates the control line, the power line and the ground wire into a whole and equidistantly distributes the extrusion reinforcing layer 3 and the sheath to form a flat cable, the ground wire, the control line and the power line are kept at intervals, the defect of over-tight laying during installation is avoided, the inner sheath 2 consists of a coating core 201 and an outer ring core 202 coaxially extruded outside the coating core 201, a plurality of buffer grooves 203 are formed in the inner wall of the outer ring core 202 at equal intervals, the cable has better pressure resistance and impact resistance, the whole weight of the cable is reduced, the whole cable is flexible and has elasticity, the reinforcing layer 3 comprises a tensile layer 301 and a tearing-resistant armor layer 302, which are coaxially and sequentially coated outside the inner sheath 2, the tensile layer 301 consists of a plurality of strands of tearing-resistant filling ropes 303 braided and stranded, and the cable has the characteristics of tearing resistance, tension resistance and high flexibility; the outer sheath 4 comprises an inner liner 401, and a flame-retardant layer 402, a waterproof rubber sleeve layer 403 and a rubber sheath layer 404 which are coaxially and sequentially extruded outside the inner liner 401, wherein the flame-retardant layer 402 is made of organic fireproof mud and always is in a non-cured state, and the bending of the cable is not influenced while the integral fireproof high-temperature resistance of the cable is enhanced.
Claims (8)
1. The tensile cable for the low seam mining machine comprises a cable body and is characterized in that the cable body comprises a cable core, and an inner sheath, a reinforcing layer and an outer sheath which are coaxially and sequentially extruded outside the cable core; the inner sheath consists of a cladding core and an outer ring core coaxially extruded outside the cladding core, a plurality of buffer grooves are formed in the inner wall of the outer ring core at equal intervals, the reinforcing layer comprises a tensile layer and a tearing-resistant armor layer coaxially and sequentially coated outside the inner sheath, and the tensile layer consists of a plurality of tearing-resistant filling ropes braided and stranded by strands; the outer sheath comprises a flame retardant layer, a waterproof rubber sleeve layer and a rubber sheath layer which are coaxially and sequentially extruded outside the inner liner layer.
2. The tensile cable for the low seam mining machine as claimed in claim 1, wherein the cable core consists of a wire core group A, a wire core group B and a wire core group C, the wire core group A consists of three control wire cores and an insulating sheath extruded outside the control wire cores, the wire core group B consists of three power wire cores wound outside the wire core group A, the wire core group C consists of three ground wire cores arranged between adjacent power wire cores at intervals, the ground wire cores and the control wire cores are uniformly distributed, each of the ground wire cores and the control wire cores consists of a conductor and an insulating layer coaxially extruded outside the conductor, and each of the power wire cores consists of a conductor and a conductor outer coaxial inner shielding layer sequentially extruded with the protective core layer and the semiconductive inner shielding layer.
3. The tensile cable for a low seam mining machine of claim 1, wherein the tear-resistant filler rope is stranded into bundles from a plurality of glass fiber strands.
4. The tensile cable for a low seam mining machine as claimed in claim 1, wherein the flame retardant layer is made of organic fire retardant mud.
5. The tensile cable for a low seam mining machine as claimed in claim 2, wherein the semiconductive inner shield is made of copper wire by sparse winding.
6. The tensile cable for a low seam mining machine as claimed in claim 1, wherein the tear-resistant armor layer is formed by steel wires having a sector-shaped cross section and enclosing a closed annular shape.
7. The tensile cable for a low seam mining machine as claimed in claim 1, wherein the rubber sheath layer is made of flame retardant crosslinked polyethylene material.
8. The tensile cable for a low seam mining machine as claimed in claim 1, wherein the inner liner is made of a fluoroplastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320213690.3U CN219286076U (en) | 2023-02-02 | 2023-02-02 | Tensile cable for thin seam shearer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320213690.3U CN219286076U (en) | 2023-02-02 | 2023-02-02 | Tensile cable for thin seam shearer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219286076U true CN219286076U (en) | 2023-06-30 |
Family
ID=86912793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320213690.3U Active CN219286076U (en) | 2023-02-02 | 2023-02-02 | Tensile cable for thin seam shearer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219286076U (en) |
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2023
- 2023-02-02 CN CN202320213690.3U patent/CN219286076U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tensile cable for thin coal seam mining machine Granted publication date: 20230630 Pledgee: Agricultural Bank of China Co.,Ltd. Wuwei City Sub branch Pledgor: Anhui Huahang Cable Technology Co.,Ltd. Registration number: Y2024980041300 |