CN202584824U - Cable for coal mining machine in coal mine - Google Patents
Cable for coal mining machine in coal mine Download PDFInfo
- Publication number
- CN202584824U CN202584824U CN 201220166880 CN201220166880U CN202584824U CN 202584824 U CN202584824 U CN 202584824U CN 201220166880 CN201220166880 CN 201220166880 CN 201220166880 U CN201220166880 U CN 201220166880U CN 202584824 U CN202584824 U CN 202584824U
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- Prior art keywords
- control line
- core
- cable
- control wire
- mining machine
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- Expired - Fee Related
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Abstract
The utility model discloses a cable for a coal mining machine in a coal mine. The cable comprises three power wire cores, an earth wire core and a control wire, wherein the three power wire cores and the control wire are concentrically stranded outside the earth wire core and an outer sheath layer is extruded; conductors of the power wire cores are of a tinned reinforced structure; the control wire core is composed of a control wire core conductor, a control wire core conductor copper wire woven reinforced layer, a control wire core conductor nylon wrapping belt, a control wire core insulating layer, a control wire core coating layer and a control wire wrapping belt from inside to outside in sequence. According to the utility model, bending resistance and stretch resistance abilities of the control wire core are improved significantly due to adoption of a composite structure. When the cable is in work, stress born by the control wire is mainly born by three high-strength copper-clad steel conductors and non-tinned category-5 copper conductors of a tightly woven layer, thereby enabling the overall control wire to be protected, reducing and preventing the control wire core from being broken, and prolonging the service life of the cable for the coal mining machine in the coal mine.
Description
Technical field
The utility model relates to the cable technology field, relates in particular to a kind of coal mining machine and uses cable.
Background technology
The rubber insulation electric cable for coal mining machine that in the colliery, uses is meant the electric cable for coal mining machine that adopts cable directly to supply power and control, and moves and lays use, and this cable is had relatively high expectations to bendability, resistance to wear, especially tensile property.
Because used service cable is more abominable at the operational environment of down-hole, service cable need frequently move power supply in the tunnel, and cable directly contacts carbon piece and carbon stone, and cable frequently receives the severe friction at work; And coal-winning machine during operation, and cable is installed on the coal-winning machine pallet, under the pulling of coal-winning machine, moves ahead, translation or withdrawal; Cable is vulnerable to great pulling force and reverses; The life cycle of cable is very short, and frequent replacing cable has increased the cost of Coal Production.
Requirement according to coal industry standard MT 818-2009 " cable is used in the colliery "; The coal-winning machine service cable comprises 3 power cores, 1 ground core and 1 control line, and what wherein control the general employing of core is the 5th kind of stranded conductor structure of regulation among the GB/T 3956-1997 " cable conductor ".Because in the actual production of coal mining enterprise, cable is connected on the coal-winning machine, when mining; Coal-winning machine constantly moves, and makes the distortion of control core repeated bending, and the control core of the cable that prior art is produced can't stand so alternating bending; Service time is not long, and the control core just ruptures, after the control core is broken; Its signal also just can't transmit, and just means that also electric cable for coal mining machine scraps, and causes stop production to overhaul; Not only increase maintenance cost, and influenced production output, caused loss economically for colliery enterprise.
With regard to the mining cable product; Raising day by day along with coal mine machinery producing capacity and place capacity; Coal-winning machine selects for use cable directly to supply power in a large number; Therefore the consumption of rubber insulation mining cable needs a kind of anti-wear performance of development, counter-bending ability and stretch-proof ability high, the cable of long service life with increasing.
The utility model content
The purpose of the utility model is to provide good, counter-bending ability of a kind of anti-wear performance and stretch-proof ability height, and the coal mining machine of long service life is used cable.
A kind of coal mining machine is used cable, comprises three power cores, a ground core and a control line, and said three power cores and a control line concentric stranding extrude outer jacket again outside the ground core; The conductor of said power core is zinc-plated reinforced structure; Said control core is control line core conductor, control line core conductor copper wire braiding reinforced layer, control line core conductor nylon band, control line core insulation layer, control core coating layer and control line band from inside to outside successively on forming.
Said control line core conductor is the twisted wire that is formed by unannealed copper covered steel single line bundle strand.
Said control line core conductor is Chinese character pin-shaped arrangement.
Said control line core conductor copper wire braiding reinforced layer is that five types of copper monofilament braidings by φ 0.25mm form.
Said control line core conductor nylon band is that thickness is the high-strength nylon band of 0.05mm.
The material of said control line core insulation is the second third electro-insulating rubber material.
Said control core coating layer is the XH-30A-chlorinated polyethylene sheath.
Said control line band is that thickness is the polyester belt of 0.2mm.
The coal mining machine that adopts the utility model to provide is used cable, owing to adopt composite construction, the control line core conductor is a copper covered steel conductor, and skin is not zinc-plated five types of copper conductor braids, and the counter-bending ability and the stretch-proof ability of control core significantly improve.Cable is when work; The stress that control line bears is mainly born with not zinc-plated five types of copper conductors of tight braid by the copper covered steel conductor of three hard intensities; Control line integral body has obtained protection; Thereby reduce and avoided the fracture of control core, guarantee that control line can normally export electromagnetic signal, prolonged the useful life of coal mining machine greatly with cable.
The coal mining machine that adopts the utility model to provide is used cable; Specification is the cable of MCPTGB-1.9/3.3kv 3*35+1*35+3*2.5 type; The pulling force that comprehensively bears of cable control core surpasses 3000N, and by the loss of 30% pulling force, then the cable pulling force that can bear has surpassed 10000N.
Description of drawings
Fig. 1 is the utility model construction of cable sketch map.
Fig. 2 is the structural representation of control core.
Among the figure: 1-power line core conductor, 2-power line core insulation, 3-power line core fibre woven shield; 4-ground core, 5-control line core conductor, 6-control line core conductor copper wire braiding reinforced layer; 7-control line core conductor nylon band, 8-control line core insulation layer, 9-control core coating layer; 10-control line band, the 11-outer jacket.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing thereof, the utility model is done further to specify, but the execution mode of the utility model is not limited thereto.
As depicted in figs. 1 and 2, a kind of coal mining machine that the utility model provides is used cable, comprises three power cores, a ground core and a control line, and three power cores and a control line concentric stranding extrude outer jacket 11 again outside ground core 4.The conductor 1 of power core is zinc-plated reinforced structure.The control core is control line core conductor 5, control line core conductor copper wire braiding reinforced layer 6, control line core conductor nylon band 7, control line core insulation layer 8, control core coating layer 9 and control line band 10 from inside to outside successively on forming.
Control line core conductor 5 is the twisted wires that formed by the unannealed copper covered steel single line bundle strand that is Chinese character pin-shaped arrangement.Control line core conductor copper wire braiding reinforced layer 6 is that five types of copper monofilament braidings by φ 0.25mm form.Control line core conductor nylon band 7 is that thickness is the high-strength nylon band of 0.05mm.The material of control line core insulation 8 is second third electro-insulating rubber materials.Control core coating layer 9 is XH-30A-chlorinated polyethylene sheaths.Control line band 10 is that thickness is the polyester belt of 0.2mm.
Power line core conductor 1 is twisted into the power line core conductor by different size power core with corresponding strand number and lay ratio after becoming strand by 37 0.40 tin-coated copper tow.The outer wrapped one deck polyester band of stranded good power line core conductor plays buffer action; According to the difference of cable specification, correspondingly extrude the second third electro-insulating rubber material of one deck different-thickness outside the power line core conductor 1 after the isolation; Power line core insulation 2 outer tinned copper wire and 6/ (150*d*3) polyester yarn braiding one deck power line core fibre woven shields 3 of using φ 0.15～0.30mm again.
Control line core conductor 5 by 34 0.30 copper covered steel monofilament by about 50 pitch strand to Shu Hehou left; Weave reinforced layer 6 with 4 φ of five types of copper conductors, 0.25,24 ingots by lay of braiding braiding one deck control line core conductor copper wire again greater than 50; Can guarantee pull resistance, slipping property and the electrical property of copper covered steel conductor; The control line core conductor copper wire braiding reinforced layer 6 outer thick control line core conductor nylon bands 7 of wrapped one deck 0.05mm; Extrude the control line core insulation layer 8 of one deck second third electro-insulating rubber material again; Three of control cores after squeezing well are isosceles triangle by the lay ratio stranding that is not more than 8, squeeze the haloflex glue of one deck respective thickness outward again and do control core coating layer 9.The polyester separator control line band 10 that a wrapped again layer thickness is 0.2mm outside control core coating layer 9.Guarantee that the control line cable is at first stressed when cable is stressed, huge pulling force influences thereby other core of guarantee electric cable for coal mining machine does not receive moment.
Because power line core conductor 1 is selected zinc-plated reinforced structure for use; The twisted wire that control line core conductor 5 selects for use unannealed copper covered steel single line bundle strand to form; The unannealed copper covered steel single line of uiform section anti-is by force six times of tinned copper wire, solved the low problem of synnema copper conductor intensity of the prior art.Not zinc-plated 5 types of copper conductor reinforced layers of φ 0.25mm and wrapped high-strength nylon band that control line core conductor 5 is outer have solved electric cable for coal mining machine to the performance requirement of control core as holding wire, have increased the slippage of copper covered steel synnema line simultaneously and reverse.Control core coating layer 9 uses the XH-30A chlorinated polyethylene sheath material, control core coating layer 9 outer wrapped again one deck polyester control line bands 10, and polyester control line band 10 can increase twisting action.
Above-described only is the preferred embodiment of the utility model, does not limit to the utility model.Should be understood that for the person of ordinary skill of the art, under the teachings that the utility model provided, can also make other equivalent modifications and improvement, all can realize the purpose of the utility model, all should be regarded as the protection range of the utility model.
Claims (8)
1. a coal mining machine is used cable, comprises three power cores, a ground core and a control line, it is characterized in that said three power cores and a control line concentric stranding extrude outer jacket (11) again outside ground core (4); The conductor of said power core (1) is zinc-plated reinforced structure; Said control core is control line core conductor (5), control line core conductor copper wire braiding reinforced layer (6), control line core conductor nylon band (7), control line core insulation layer (8), control core coating layer (9) and control line band (10) from inside to outside successively on forming.
2. a kind of coal mining machine according to claim 1 is used cable, it is characterized in that, said control line core conductor (5) is the twisted wire that is formed by unannealed copper covered steel single line bundle strand.
3. a kind of coal mining machine according to claim 2 is used cable, it is characterized in that, said control line core conductor (5) is Chinese character pin-shaped arrangement.
4. a kind of coal mining machine according to claim 1 is used cable, it is characterized in that, said control line core conductor copper wire braiding reinforced layer (6) is that five types of copper monofilament braidings by φ 0.25mm form.
5. a kind of coal mining machine according to claim 1 is used cable, it is characterized in that, said control line core conductor nylon band (7) is that thickness is the high-strength nylon band of 0.05mm.
6. a kind of coal mining machine according to claim 1 is used cable, it is characterized in that, the material of said control line core insulation (8) is the second third electro-insulating rubber material.
7. a kind of coal mining machine according to claim 1 is used cable, it is characterized in that, said control core coating layer (9) is the XH-30A-chlorinated polyethylene sheath.
8. a kind of coal mining machine according to claim 1 is used cable, it is characterized in that, said control line band (10) is that thickness is the polyester belt of 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220166880 CN202584824U (en) | 2012-04-19 | 2012-04-19 | Cable for coal mining machine in coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220166880 CN202584824U (en) | 2012-04-19 | 2012-04-19 | Cable for coal mining machine in coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202584824U true CN202584824U (en) | 2012-12-05 |
Family
ID=47254212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220166880 Expired - Fee Related CN202584824U (en) | 2012-04-19 | 2012-04-19 | Cable for coal mining machine in coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202584824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943259A (en) * | 2013-01-22 | 2014-07-23 | 安徽凯博尔特种电缆集团有限公司 | Composite power cable for ocean engineering |
-
2012
- 2012-04-19 CN CN 201220166880 patent/CN202584824U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943259A (en) * | 2013-01-22 | 2014-07-23 | 安徽凯博尔特种电缆集团有限公司 | Composite power cable for ocean engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BAIYIN YOUSE CHANGTONG WIRE AND CABLE CO., LTD. Assignor: Baiyin Nonferrous Metal Group Co., Ltd. Contract record no.: 2013620000015 Denomination of utility model: Cable for coal mining machine in coal mine Granted publication date: 20121205 License type: Exclusive License Record date: 20130531 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20180419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |