CN212624876U - Moisture-proof long-life coal mining machine cable - Google Patents
Moisture-proof long-life coal mining machine cable Download PDFInfo
- Publication number
- CN212624876U CN212624876U CN202021475099.8U CN202021475099U CN212624876U CN 212624876 U CN212624876 U CN 212624876U CN 202021475099 U CN202021475099 U CN 202021475099U CN 212624876 U CN212624876 U CN 212624876U
- Authority
- CN
- China
- Prior art keywords
- cable
- moisture
- life
- core
- insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title description 8
- 238000005065 mining Methods 0.000 title description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 229920000742 Cotton Polymers 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 37
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 22
- 239000011247 coating layer Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 229920002681 hypalon Polymers 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920009441 perflouroethylene propylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a moisture-proof long-life coal-winning machine cable, it includes power insulation core, and three power insulation core and a control insulation core unit strand into the cable core center clearance is filled by the earth core the cable core outside is equipped with the inner sheath evenly be equipped with four recesses on the outer wall of inner sheath be equipped with the steel wire bundle in the recess and block water the cotton the inner sheath outside is equipped with the area of blocking water the area outside of blocking water is equipped with the metallic shield area the metallic shield outband outside is equipped with the oversheath. The utility model discloses improve the tensile strength of cable from control insulation core and overall structure, set up dampproofing structure, effectively improve the safety in utilization and the life of cable.
Description
Technical Field
The utility model relates to a cable, concretely relates to coal-winning machine cable.
Background
The cable of the coal mining machine has a humid use environment, is stressed to move back and forth frequently in the use process, the service life of the cable becomes the bottleneck of the production of the coal mining machine, and the matching of the cable with high performance and long service life becomes the central importance of the production of the coal mining machine.
The damage of the coal mining machine cable is generally started from the breakage of the control wire core with the small section, so the improvement of the strength of the control wire core is a basic method for prolonging the service life of the cable, and meanwhile, the tensile strength and the moisture resistance of the whole cable need to be improved, and the safety of the cable in the using process is ensured.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at overcoming not enough among the prior art, providing a moisture-proof long-life coal-winning machine cable, improving the tensile strength of cable from control insulation core and overall structure, setting up dampproofing structure, effectively improving the safety in utilization and the life of cable.
The technical scheme is as follows: in order to solve the technical problem, the moisture-proof coal mining machine cable with long service life comprises a power core conductor, wherein an insulating layer I is arranged outside the power core conductor, a semi-conductive shielding belt is arranged outside the insulating layer I, a braided shielding layer is arranged outside the semi-conductive shielding belt, the power insulating core is formed by the power insulating core and the power insulating core, three power insulating cores and a control insulating core unit are twisted into a cable core, the control insulating core unit comprises three control insulating cores which are externally tangent, filling is arranged in the central gap of the control insulating cores, a coating layer is arranged outside the control insulating cores, the control insulating core comprises a control core conductor, an insulating layer II is arranged outside the control core conductor, the control core conductor is formed by twisting 7 strands of steel wires and 12 strands of copper wires, wherein 7 strands of steel wires form a Y-shaped structure, and 12 strands of copper wires are uniformly distributed among 7 strands of, the cable comprises a cable core and is characterized in that a central gap of the cable core is filled with a ground wire core, an inner sheath is arranged outside the cable core, four grooves are uniformly formed in the outer wall of the inner sheath, steel wire bundles and water blocking cotton are arranged in the grooves, a water blocking tape is arranged outside the inner sheath, a metal shielding tape is arranged outside the water blocking tape, and an outer sheath is arranged outside the metal shielding tape.
The power core conductor is formed by twisting tinned copper wires in a compound mode, the diameter of each single wire is 0.20-0.50mm, the ground core is of a compound stranded wire structure, the number of strands is 4-6, the number of strands per strand is not more than 25, and the diameter of each single wire is not more than 0.50 mm.
The insulation layer I is ethylene propylene rubber, the insulation thickness is not less than 2.0mm, and the insulation layer II is a high-strength fluorinated ethylene propylene layer, and the thickness is not less than 0.50 mm.
The thickness of the semi-conductive shielding tape is 0.15-0.25 mm, the semi-conductive shielding tape is formed by overlapping and wrapping, and the overlapping rate is not less than 25%.
The braided shielding layer is formed by compositely and alternately braiding copper wires and nylon, and the coverage rate of the copper wires reaches 60-80%.
The coating layer is a chlorinated polyethylene layer, and the thickness of the coating layer is not less than 1.0 mm.
The section of the steel wire bundle is not less than 4 mm2The steel wire bundle is embedded in a groove on the inner sheath, and water-blocking cotton is filled at the periphery of the steel wire bundle and in the gap.
The thickness of the water-blocking tape is 2.0mm, the water-blocking tape is formed by adopting a pressing type wrapping mode, and the overlapping rate is not less than 30%.
The metal shielding belt is formed by overlapping and wrapping copper mesh cloth, and the overlapping rate is not less than 30%.
The inner sheath is the chlorinated polyethylene layer, and thickness is not less than 1.8 mm, the oversheath is high strength chlorosulfonated polyethylene layer, and thickness is not less than 4.0 mm.
Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model discloses overall structure sets up rationally, and power sinle silk conductor adopts the compound hank of tinned copper wire, monofilamentThe diameter of the cable is 0.20-0.50mm, the number of the stranded wires is not more than 25, the pitch diameter ratio of the stranded wires is not more than 20, the complex twisting pitch diameter ratio is not more than 16, the insulating layer I is ethylene propylene rubber, the insulating thickness is not less than 2.0mm, the insulating tensile strength is not less than 7Mpa, the braided shielding layer is formed by compounding and crossing copper wires and nylon, the coverage rate of the copper wires reaches 60-80%, the nylon provides buffer, the friction between the copper wires and the insulating layer is reduced when stressed, the service life of the cable is prolonged, the ground wire core is of a complex stranded wire structure, the number of the strands is 4-6, the number of each strand is not more than 25, the diameter of a single wire is not more than 0.50mm, the complex twisting is of an irregular structure, the ground wire core is arranged in the center when the ground wire core is cabled with the insulating wire core, the central gap is filled by the extrusion and, the pitch diameter ratio is not more than 18 times, when the strands of the copper wire are bundled, the pitch diameter ratio is not more than 12 times, when the strands are twisted repeatedly, the pitch diameter ratio is not more than 15 times, the control wire core is guaranteed to be distributed on the steel wire when stressed, the stress of the copper wire is reduced, the control wire core is prevented from being broken, lubricating ester is coated on the surface of the steel wire, the friction between the steel wire and the copper wire when stressed and stretched is reduced, the copper wire is prevented from being abraded, the coating layer is made of chlorinated polyethylene, the thickness guarantees that the outer diameter of the coated layer is the same as the outer diameter of the power insulation wire core after being extruded and coated, the2Inlay in the outside recess of inner sheath, the symmetry plays the atress effect, improve cable life, at the steel wire bundle, fill the cotton that blocks water in periphery and the clearance, play the effect that prevents outside moisture and moisture, protect inside insulation core, it is about 2.0mm to block water tape thickness, the formula of sticising winds the package, it is not less than 30% around the package overlap ratio, play the effect that prevents outside moisture and moisture, adopt the structure that the two-layer overlapping of water tape and copper mesh cloth twine the package, increase the shielding and the dampproofing function of cable, the oversheath adopts high strength chlorosulfonated polyethylene, thickness is not less than 4.0mm, tear strength is not less than 6N/mm, tensile and wearability have.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the control core conductor of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figures 1 and 2, the moisture-proof coal mining machine cable with long service life comprises a power core conductor 1, wherein the power core conductor 1 is formed by twisting tinned copper wires again, the diameter of each single wire is 0.20-0.50mm, an insulating layer I2 is arranged outside the power core conductor 1, the insulating layer I2 is ethylene propylene rubber, the insulating thickness is not less than 2.0mm, a semi-conductive shielding belt 3 is arranged outside the insulating layer I2, the thickness of the semi-conductive shielding belt 3 is 0.15-0.25 mm, the cable is formed by lapping and covering, the overlapping rate is not less than 25%, a braided shielding layer 4 is arranged outside the semi-conductive shielding belt 3, the braided shielding layer 4 is formed by compounding and cross-weaving copper wires and nylon, the coverage rate of the copper wires reaches 60-80%, the power insulating wire cores are formed by forming a power insulating core, three power insulating cores and a control insulating core unit are twisted to form a cable core, the control insulation wire core unit comprises three control insulation wire cores which are externally tangent, filling 5 is arranged in the central gaps of the control insulation wire cores, coating layers 6 are arranged outside the control insulation wire cores, the coating layers 6 are chlorinated polyethylene layers, the thickness of the coating layers is not less than 1.0mm, the control insulation wire cores comprise control wire core conductors 7, insulation layers II 8 are arranged outside the control wire core conductors 7, the insulation layers II 8 are high-strength fluorinated ethylene propylene layers, the thickness of the insulation layers is not less than 0.50mm, the control wire core conductors 7 are formed by twisting 7 strands of steel wires 9 and 12 strands of copper wires 10, the 7 strands of steel wires 9 form a Y-shaped structure, the 12 strands of copper wires 10 are uniformly distributed among the 7 strands of steel wires 9, the central gaps of the cable cores are filled with ground wire cores 11, the ground wire cores 11 are of a compound stranded wire structure, the number of strands is 4-6, the number of each strand is not more, an inner sheath 12 is arranged outside the cable core, the inner sheath 12 is a chlorinated polyethylene layer, the thickness of the inner sheath is not less than 1.8 mm, four grooves 13 are evenly formed in the outer wall of the inner sheath 12, steel wire bundles 14 and water-blocking cotton 15 are arranged in the grooves 13, and the cross section of each steel wire bundle 14 is not less than 4 mm2Water-blocking cotton 15 is filled at the periphery of the steel wire bundle 14 and in the gap, a water-blocking tape 16 is arranged outside the inner sheath 12, and the water-blocking tape 1The thickness of the waterproof tape 6 is 2.0mm, the waterproof tape is formed by adopting a pressing type wrapping mode, the overlapping rate is not less than 30%, a metal shielding tape 17 is arranged outside the waterproof tape 16, the metal shielding tape 17 is formed by adopting copper mesh cloth in an overlapping wrapping mode, the overlapping rate is not less than 30%, an outer sheath 18 is arranged outside the metal shielding tape 17, the outer sheath 18 is a high-strength chlorosulfonated polyethylene layer, and the thickness is not less than 4.0 mm.
The utility model has reasonable overall structure, the power core conductor adopts the compound twisting of tinned copper wire, the diameter of the single wire is 0.20-0.50mm, the number of the bunched wire strands is not more than 25, the knot diameter ratio of the bunched wire is not more than 20 times, the knot diameter ratio of the compound twisting is not more than 16 times, the insulating layer I is ethylene propylene rubber, the insulating thickness is not less than 2.0mm, the insulating tensile strength is not less than 7Mpa, the braided shielding layer is formed by the compound cross braiding of copper wire and nylon, the coverage rate of the copper wire reaches 60-80%, the nylon provides buffering, the friction between the copper wire and the insulating layer when stressed is reduced, the service life of the cable is prolonged, the ground core adopts the compound twisting structure, the number of the strands is 4-6 strands, the number of the strands is not more than 25, the diameter of the single wire is not more than 0.50mm, the compound twisting is in an irregular structure, the center is arranged, 7 strand steel wire and 12 strand copper wire symmetric distribution, during steel wire strand pencil, pitch ratio is not more than 18 times, during copper wire strand pencil, pitch ratio is not more than 12 times, during strand hank again, pitch ratio is not more than 15 times, guarantee that control core is when the atress, more distribution is on the steel wire, reduce the atress of copper wire, prevent the fracture of control core, steel wire surface coating lubricating grease, reduce the atress when tensile and the friction between the copper wire, prevent the copper wire wearing and tearing, the coating adopts chlorinated polyethylene, thickness guarantees that the outer diameter is the same with power insulation core external diameter behind the crowded package coating, generally be not less than 1.0mm, steel wire bundle cross-section is not less than 4 mm2The water-blocking cotton is filled in the periphery and gaps of the steel wire bundle to play a role in blocking external moisture and humidity, the internal insulation wire core is protected, the thickness of the water-blocking tape is about 2.0mm, the pressing type wrapping is adopted, the overlapping rate of the wrapping is not less than 30 percent, the function of blocking external moisture and humidity is realized,adopt the structure that the hosepipe adds the double-deck overlapping of copper mesh cloth and wrap, increase the shielding and the dampproofing function of cable, the oversheath adopts high strength chlorosulfonated polyethylene, and thickness is not less than 4.0mm, and tear strength is not less than 6N/mm, has tensile and wearability.
The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.
Claims (10)
1. The utility model provides a moisture-proof long-life coal-winning machine cable which characterized in that: the power cable core comprises a power cable core conductor (1), an insulating layer I (2) is arranged outside the power cable core conductor (1), a semi-conductive shielding belt (3) is arranged outside the insulating layer I (2), a braided shielding layer (4) is arranged outside the semi-conductive shielding belt (3), the power cable core and the power cable core form a power insulating cable core, three power insulating cable cores and a control insulating cable core unit are twisted into a cable core, the control insulating cable core unit comprises three control insulating cable cores which are externally tangent, filling (5) is arranged in the central gap of the control insulating cable cores, a coating layer (6) is arranged outside the control insulating cable cores, the control insulating cable core conductor (7) comprises a control cable core conductor (7), an insulating layer II (8) is arranged outside the control cable core conductor (7), the control cable core conductor (7) is formed by twisting 7 strands of steel wires (9) and 12 strands of copper wires (10), 12 strands of copper wires (10) are uniformly distributed among 7 strands of steel wires (9), a ground wire core (11) is filled in the central gap of the cable core, an inner sheath (12) is arranged outside the cable core, four grooves (13) are uniformly formed in the outer wall of the inner sheath (12), a steel wire bundle (14) and water-blocking cotton (15) are arranged in each groove (13), a water-blocking tape (16) is arranged outside the inner sheath (12), a metal shielding tape (17) is arranged outside the water-blocking tape (16), and an outer sheath (18) is arranged outside the metal shielding tape (17).
2. The moisture-resistant long-life shearer cable of claim 1, wherein: the power core conductor (1) is formed by twisting tinned copper wires in a complex mode, the diameter of each single wire is 0.20-0.50mm, the ground core (11) is of a complex twisted wire structure, the number of the strands is 4-6, the number of each strand is not more than 25, and the diameter of each single wire is not more than 0.50 mm.
3. The moisture-resistant long-life shearer cable of claim 1, wherein: the insulating layer I (2) is ethylene propylene rubber, the insulating thickness is not less than 2.0mm, and the insulating layer II (8) is a high-strength perfluorinated ethylene propylene layer, and the thickness is not less than 0.50 mm.
4. The moisture-resistant long-life shearer cable of claim 1, wherein: the thickness of the semi-conductive shielding tape (3) is 0.15-0.25 mm, the semi-conductive shielding tape is formed by overlapping and wrapping, and the overlapping rate is not less than 25%.
5. The moisture-resistant long-life shearer cable of claim 1, wherein: the braided shielding layer (4) is formed by compositely and alternately braiding copper wires and nylon, and the coverage rate of the copper wires reaches 60-80%.
6. The moisture-resistant long-life shearer cable of claim 1, wherein: the coating layer (6) is a chlorinated polyethylene layer, and the thickness of the coating layer is not less than 1.0 mm.
7. The moisture-resistant long-life shearer cable of claim 1, wherein: the section of the steel wire bundle (14) is not less than 4 mm2The waterproof steel wire bundle is embedded in a groove (13) on the inner sheath (12), and waterproof cotton (15) is filled at the periphery of the steel wire bundle (14) and in gaps.
8. The moisture-resistant long-life shearer cable of claim 1, wherein: the thickness of the water-blocking tape (16) is 2.0mm, the water-blocking tape is formed by adopting a pressing type wrapping mode, and the overlapping rate is not less than 30%.
9. The moisture-resistant long-life shearer cable of claim 1, wherein: the metal shielding belt (17) is formed by lapping copper mesh cloth in an overlapping mode, and the overlapping rate is not less than 30%.
10. The moisture-resistant long-life shearer cable of claim 1, wherein: inner sheath (12) are the chlorinated polyethylene layer, and thickness is not less than 1.8 mm, oversheath (18) are high strength chlorosulfonated polyethylene layer, and thickness is not less than 4.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475099.8U CN212624876U (en) | 2020-07-24 | 2020-07-24 | Moisture-proof long-life coal mining machine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475099.8U CN212624876U (en) | 2020-07-24 | 2020-07-24 | Moisture-proof long-life coal mining machine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212624876U true CN212624876U (en) | 2021-02-26 |
Family
ID=74720506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021475099.8U Active CN212624876U (en) | 2020-07-24 | 2020-07-24 | Moisture-proof long-life coal mining machine cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212624876U (en) |
-
2020
- 2020-07-24 CN CN202021475099.8U patent/CN212624876U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110797141A (en) | Wear-resistant anti-dragging heat dissipation type multifunctional cable for charging electric automobile and manufacturing method | |
| CN209859650U (en) | Wear-resistant cable | |
| CN201717025U (en) | Towing chain cable | |
| CN212624876U (en) | Moisture-proof long-life coal mining machine cable | |
| CN215496046U (en) | Anti-interference shore power cable | |
| CN215815291U (en) | Tensile shuttle car cable for coal mine | |
| CN215600152U (en) | Coal mining machine composite cable and coal mining machine | |
| CN212570527U (en) | Servo control line for robot body | |
| CN211604732U (en) | Manipulator and tow chain cable | |
| CN207966505U (en) | A kind of high life encoder cable | |
| CN210142514U (en) | Cable for bending-resistant coal mining machine | |
| CN204087878U (en) | A kind of signal controlling drag chain cable | |
| CN208706261U (en) | Coal mining machine converter plant soft rubber cable | |
| CN213691490U (en) | Bending-resistant and abrasion-resistant integrated towline cable | |
| CN213424632U (en) | Medium-voltage reel photoelectric composite flexible cable | |
| CN105513682A (en) | Circular shielding control towline cable and production method thereof | |
| CN212624823U (en) | One-time bundle stranded electric wire | |
| CN215680150U (en) | Data cable | |
| CN218414009U (en) | Flexible cable | |
| CN216311387U (en) | Rare earth aluminum alloy core shield machine cable | |
| CN209843300U (en) | Cable for bending-resistant coal mining machine | |
| CN212907164U (en) | High-abrasion-resistance and high-flexibility coal mining machine cable | |
| CN220584960U (en) | Mine is with flexible antitorque commentaries on classics middling pressure trailing cable | |
| CN216412717U (en) | Photoelectric composite shore power drum cable | |
| CN210349343U (en) | Flexible towline cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Bao'an Cable Co.,Ltd. Address before: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU BAOAN CABLE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |