CN104863583A - Coal cutting device for coal mine - Google Patents
Coal cutting device for coal mine Download PDFInfo
- Publication number
- CN104863583A CN104863583A CN201510332950.9A CN201510332950A CN104863583A CN 104863583 A CN104863583 A CN 104863583A CN 201510332950 A CN201510332950 A CN 201510332950A CN 104863583 A CN104863583 A CN 104863583A
- Authority
- CN
- China
- Prior art keywords
- coal
- coal cutting
- cutter head
- hollow shaft
- knife bar
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 98
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000009467 reduction Effects 0.000 claims description 19
- 230000008520 organization Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000005065 mining Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Harvester Elements (AREA)
- Harvesting Machines For Specific Crops (AREA)
Abstract
The invention provides a coal cutting device for a coal mine. The coal cutting device comprises a power rotation driving mechanism, a transmission mechanism, a pressure driving mechanism and a coal cutter, wherein the power rotation driving mechanism is connected with the transmission mechanism, and then connected with the coal cutter, thereby driving the coal cutter to rotate; the pressure driving mechanism which exerts axial force to the coal cutter is also connected onto the coal cutter, and arranged in the power rotation driving mechanism. Through the arrangement of the power rotation driving mechanism and the pressure driving mechanism, the pressure driving mechanism exerts axial force to coal cutter bits, and the power rotating driving mechanism exerts steering torque to the coal cutter bits, so that the coal cutting requirements can be met; meanwhile, the pressure driving mechanism is arranged in the power rotation driving mechanism, so that the size of the coal cutting device can be remarkably reduced, the space of the coal cutting device can be reduced, the use flexibility of the coal cutting device can be improved, and the requirements of miniaturization and high efficiency can be met.
Description
Technical field
The present invention relates to a kind of colliery coal cutting equipment, be specially cross section, a kind of colliery device for coal, belong to Coal Mining Technology field.
Background technology
At present, in process of coal mining, general all needs adopts coalcutter and development machine with the use of the exploitation realizing coal, but, although this method can realize the High-efficient Production of large coal mine, but in small-size coal mine, especially when coal seam changes greatly, for hard coal seam, coalcutter is only adopted to realize seam mining, and must frequently utilize development machine with the use of, which results in coal mining efficiency to decline, and ancillary facility is complicated, cost is higher, cannot realize small-size coal mine and to mine flexibly, fast requirement.
For solving each above technical problem, the invention provides cross section, a kind of colliery device for coal, its structure is simple, easy to use, reliably, by arranging powered rotation driving mechanism and pressure-driven mechanism, by pressure-driven mechanism, axial driving power is applied to coal cutting cutter head, powered rotation driving mechanism is adopted to apply steering moment to coal cutting cutter head, realize coal cutting requirement, simultaneously, pressure-driven organization establishes is inner at powered rotation driving mechanism, can significant less equipment size, the space of reduction equipment, improve the flexibility that it uses, meet miniaturization, the requirement of high efficiency.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the present invention just there is provided cross section, a kind of colliery device for coal, it comprises powered rotation driving mechanism, transmission mechanism, pressure-driven mechanism and coal cutting instrument, it is characterized in that, be connected with described coal cutting instrument after described powered rotation driving mechanism connects described transmission mechanism, thus drive described coal cutting tool into rotation, described coal cutting instrument is also connected with the pressure-driven mechanism described coal cutting instrument being applied to axial force, and described pressure-driven organization establishes is in described power drive inside configuration.
Further, as preferably, described power-driven mechanism is motor, described transmission mechanism is reduction gearing mechanism, and the power shaft of the output shaft of described motor and described reduction gearing mechanism is in transmission connection, hollow shaft is rotated after the output shaft connection of described reduction gearing mechanism, described rear rotation hollow shaft is connected with front rotation Hollow Shaft Transmission by shaft coupling, rotate hollow shaft inside before described and be provided with hydraulic cylinder, described hydraulic cylinder one end is connected with hydraulic pump, described hydraulic pump is arranged on described front rear end of rotating hollow shaft, the other end of described hydraulic cylinder is provided with piston knife bar, airtight hydraulic cavities is formed in described hydraulic cylinder inside between described piston knife bar and described hydraulic cylinder, described piston knife bar is provided with multiple coal cutting cutter head, described coal cutting cutter head is arranged in helical form, the length of coal cutting cutter head increases from outside to inside successively along described piston knife bar, described front rotation hollow shaft and described rear rotation hollow shaft are on same axis, and the outer setting of described fore bearing hollow shaft and described rear rotation hollow shaft has supporting seat, a fore bearing is respectively provided with between the two ends of described fore bearing hollow shaft and described supporting seat, a rear bearing is respectively set between the two ends of described rear bearing hollow shaft and described supporting seat.
Further, as preferably, described coal cutting cutter head is dismountable to be arranged on described piston knife bar.
Further, as preferably, the bottom of described coal cutting cutter head is provided with T-shaped piece, described piston knife bar is provided with the installing hole installed for described coal cutting cutter head, described piston knife bar is hollow shape, the described T-shaped piece of hollow interior being arranged on described piston knife bar, and described coal cutting cutter head passes described installing hole, and the cutter head bar of described coal cutting cutter head is provided with external screw thread, to be coordinated with described external screw thread by a fastening bolt and described coal cutting cutter head is fixed on described piston knife bar.
Further, as preferably, between the external surface of described fastening bolt and described piston knife bar, locking spring is also provided with.
Further, as preferably, the power of described powered rotation driving mechanism is at least 20KW.
Further, as preferably, described transmission mechanism is gear reduction unit or turbine and worm reducer.
Further, as preferably, described transmission mechanism is belt reduction gearing mechanism.
Further, as preferably, fore bearing and rear bearing all adopt the combination of centripetal/thrust bearing.
Beneficial effect of the present invention: cross section, a kind of colliery provided by the invention device for coal, its structure is simple, easy to use, reliably, by arranging powered rotation driving mechanism and pressure-driven mechanism, by pressure-driven mechanism, axial driving power is applied to coal cutting cutter head, powered rotation driving mechanism is adopted to apply steering moment to coal cutting cutter head, realize coal cutting requirement, simultaneously, pressure-driven organization establishes is inner at powered rotation driving mechanism, can significant less equipment size, the space of reduction equipment, improve the flexibility that it uses, meet miniaturization, the requirement of high efficiency, in addition, coal cutting cutter head is set to dismountable mode by the present invention, be convenient to change cutter head, very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of cross section, a kind of colliery provided by the invention device for coal;
Fig. 2 is the coal cutting cutter head mounting structure schematic diagram of cross section, a kind of colliery provided by the invention device for coal;
Wherein, 1, motor, 2, reduction gearing mechanism, 3, rear rotation hollow shaft, 4, shaft coupling, 5, front rotation hollow shaft, 6, hydraulic cylinder, 7, piston knife bar, 8, coal cutting cutter head, 9, supporting seat, 10, fore bearing, 11, hydraulic pump, 12, rear bearing, 13, hydraulic cavities, 14, T-shaped piece, 15, fastening bolt, 16, locking spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, the invention provides cross section, a kind of colliery device for coal, it comprises powered rotation driving mechanism, transmission mechanism, pressure-driven mechanism and coal cutting instrument, be connected with described coal cutting instrument after powered rotation driving mechanism connection for transmission mechanism, thus drive coal cutting tool into rotation, coal cutting instrument is also connected with pressure-driven mechanism coal cutting instrument being applied to axial force, and pressure-driven organization establishes is in described power drive inside configuration.
In the present embodiment, power-driven mechanism is motor 1, transmission mechanism is reduction gearing mechanism 2, and the power shaft of the output shaft of motor and reduction gearing mechanism is in transmission connection, the output shaft of reduction gearing mechanism 2 connects rear rotation hollow shaft 3, rear rotation hollow shaft 3 is in transmission connection by shaft coupling 4 and front rotation hollow shaft 5, front rotation hollow shaft 5 inside is provided with hydraulic cylinder 6, hydraulic cylinder 6 one end is connected with hydraulic pump 11, hydraulic pump 11 is arranged on described front rear end of rotating hollow shaft 5, the other end of hydraulic cylinder 6 is provided with piston knife bar 7, airtight hydraulic cavities 13 is formed in described hydraulic cylinder 6 inside between piston knife bar 7 and described hydraulic cylinder 6, described piston knife bar 7 is provided with multiple coal cutting cutter head 8, coal cutting cutter head 8 is arranged in helical form, the length of coal cutting cutter head 8 increases from outside to inside successively along described piston knife bar 7, front rotation hollow shaft 5 is on same axis with described rear rotation hollow shaft 6, and described fore bearing hollow shaft 5 has supporting seat 9 with the outer setting of described rear rotation hollow shaft 6, a fore bearing 10 is respectively provided with between the two ends of fore bearing hollow shaft 5 and described supporting seat 9, a rear bearing 12 is respectively set between the two ends of rear bearing hollow shaft and described supporting seat.
For the ease of changing cutter head, coal cutting cutter head 8 is dismountable to be arranged on described piston knife bar 7.Wherein, as shown in Figure 2, the bottom of coal cutting cutter head 8 is provided with T-shaped piece 14, piston knife bar 7 is provided with the installing hole installed for described coal cutting cutter head 8, described piston knife bar 7 is hollow shape, the hollow interior being arranged on described piston knife bar 7 for T-shaped piece 14, and described coal cutting cutter head 8 passes described installing hole, and the cutter head bar of described coal cutting cutter head 8 is provided with external screw thread, to be coordinated with described external screw thread by a fastening bolt 15 and described coal cutting cutter head 8 is fixed on described piston knife bar 7.Locking spring 16 is also provided with between the external surface of fastening bolt 15 and described piston knife bar 7.The power of powered rotation driving mechanism is at least 20KW.Transmission mechanism is gear reduction unit or turbine and worm reducer.As shown in Figure 1, transmission mechanism is belt reduction gearing mechanism.In order to bear axis and radial load, fore bearing and rear bearing all adopt the combination of centripetal/thrust bearing.
Structure of the present invention is simple, easy to use, reliably, by arranging powered rotation driving mechanism and pressure-driven mechanism, by pressure-driven mechanism, axial driving power is applied to coal cutting cutter head, powered rotation driving mechanism is adopted to apply steering moment to coal cutting cutter head, realize coal cutting requirement, simultaneously, pressure-driven organization establishes is inner at powered rotation driving mechanism, can significant less equipment size, the space of reduction equipment, improve the flexibility that it uses, meet miniaturization, the requirement of high efficiency, in addition, coal cutting cutter head is set to dismountable mode by the present invention, be convenient to change cutter head, very convenient.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (9)
1. cross section, colliery device for coal, it comprises powered rotation driving mechanism, transmission mechanism, pressure-driven mechanism and coal cutting instrument, it is characterized in that, be connected with described coal cutting instrument after described powered rotation driving mechanism connects described transmission mechanism, thus drive described coal cutting tool into rotation, described coal cutting instrument is also connected with the pressure-driven mechanism described coal cutting instrument being applied to axial force, and described pressure-driven organization establishes is in described power drive inside configuration.
2. cross section, a kind of colliery according to claim 1 device for coal, it is characterized in that, described power-driven mechanism is motor, described transmission mechanism is reduction gearing mechanism, and the power shaft of the output shaft of described motor and described reduction gearing mechanism is in transmission connection, hollow shaft is rotated after the output shaft connection of described reduction gearing mechanism, described rear rotation hollow shaft is connected with front rotation Hollow Shaft Transmission by shaft coupling, rotate hollow shaft inside before described and be provided with hydraulic cylinder, described hydraulic cylinder one end is connected with hydraulic pump, described hydraulic pump is arranged on described front rear end of rotating hollow shaft, the other end of described hydraulic cylinder is provided with piston knife bar, airtight hydraulic cavities is formed in described hydraulic cylinder inside between described piston knife bar and described hydraulic cylinder, described piston knife bar is provided with multiple coal cutting cutter head, described coal cutting cutter head is arranged in helical form, the length of coal cutting cutter head increases from outside to inside successively along described piston knife bar, described front rotation hollow shaft and described rear rotation hollow shaft are on same axis, and the outer setting of described fore bearing hollow shaft and described rear rotation hollow shaft has supporting seat, a fore bearing is respectively provided with between the two ends of described fore bearing hollow shaft and described supporting seat, between the two ends of described rear bearing hollow shaft and described supporting seat, respectively rear bearing is set.
3. cross section, a kind of colliery according to claim 2 device for coal, is characterized in that, described coal cutting cutter head is dismountable to be arranged on described piston knife bar.
4. cross section, a kind of colliery according to claim 2 device for coal, it is characterized in that, the bottom of described coal cutting cutter head is provided with T-shaped piece, described piston knife bar is provided with the installing hole installed for described coal cutting cutter head, described piston knife bar is hollow shape, the described T-shaped piece of hollow interior being arranged on described piston knife bar, described coal cutting cutter head passes described installing hole, and the cutter head bar of described coal cutting cutter head is provided with external screw thread, to be coordinated with described external screw thread by a fastening bolt and described coal cutting cutter head is fixed on described piston knife bar.
5. cross section, a kind of colliery according to claim 4 device for coal, is characterized in that, is also provided with locking spring between the external surface of described fastening bolt and described piston knife bar.
6. cross section, a kind of colliery according to claim 1 device for coal, is characterized in that, the power of described powered rotation driving mechanism is at least 20KW.
7. cross section, a kind of colliery according to claim 1 and 2 device for coal, is characterized in that, described transmission mechanism is gear reduction unit or turbine and worm reducer.
8. cross section, a kind of colliery according to claim 1 device for coal, is characterized in that, described transmission mechanism is belt reduction gearing mechanism.
9. cross section, a kind of colliery according to claim 2 device for coal, it is characterized in that, fore bearing and rear bearing all adopt the combination of centripetal/thrust bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332950.9A CN104863583B (en) | 2015-06-15 | 2015-06-15 | A kind of coal mine section device for coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510332950.9A CN104863583B (en) | 2015-06-15 | 2015-06-15 | A kind of coal mine section device for coal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104863583A true CN104863583A (en) | 2015-08-26 |
| CN104863583B CN104863583B (en) | 2018-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510332950.9A Expired - Fee Related CN104863583B (en) | 2015-06-15 | 2015-06-15 | A kind of coal mine section device for coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104863583B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301711Y (en) * | 2008-09-05 | 2009-09-02 | 兰海宽 | Novel mini-type tunneling machine for coal mine |
| CN202039845U (en) * | 2011-04-15 | 2011-11-16 | 沈阳北方重矿机械有限公司 | Mechanical-transmission pulse type cutting device |
| CN202280458U (en) * | 2011-10-21 | 2012-06-20 | 三一重型装备有限公司 | Coal mining machine and rocker arm thereof |
| CN202300388U (en) * | 2011-10-10 | 2012-07-04 | 湖南荣威煤机制造有限公司 | Cutting device of tunneling machine |
| CN204140064U (en) * | 2014-11-01 | 2015-02-04 | 西安科技大学 | Coal-winning machine vibrating type cutting drum |
| CN104453891A (en) * | 2014-08-18 | 2015-03-25 | 三一重型装备有限公司 | Coal mining machine and cutting part thereof |
-
2015
- 2015-06-15 CN CN201510332950.9A patent/CN104863583B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301711Y (en) * | 2008-09-05 | 2009-09-02 | 兰海宽 | Novel mini-type tunneling machine for coal mine |
| CN202039845U (en) * | 2011-04-15 | 2011-11-16 | 沈阳北方重矿机械有限公司 | Mechanical-transmission pulse type cutting device |
| CN202300388U (en) * | 2011-10-10 | 2012-07-04 | 湖南荣威煤机制造有限公司 | Cutting device of tunneling machine |
| CN202280458U (en) * | 2011-10-21 | 2012-06-20 | 三一重型装备有限公司 | Coal mining machine and rocker arm thereof |
| CN104453891A (en) * | 2014-08-18 | 2015-03-25 | 三一重型装备有限公司 | Coal mining machine and cutting part thereof |
| CN204140064U (en) * | 2014-11-01 | 2015-02-04 | 西安科技大学 | Coal-winning machine vibrating type cutting drum |
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| Publication number | Publication date |
|---|---|
| CN104863583B (en) | 2018-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Jingang Inventor after: He Fulian Inventor after: Yin Shuaifeng Inventor before: Yin Shuaifeng Inventor before: Tian Duo Inventor before: Shi Haoyu Inventor before: Zhao Qifeng Inventor before: Gao Wenjiao Inventor before: Li Hongtao Inventor before: Guo Jingzhong |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180515 Address after: 100083 Beijing Haidian District college, China University of Mining and Technology 11 (China University of Mining and Technology) Applicant after: CHINA University OF MINING AND TECHNOLOGY BEIJING Applicant after: NORTH CHINA INSTITUTE OF SCIENCE AND TECHNOLOGY Address before: 065201 Hebei Sanhe Yanjiao economic and Technological Development Zone, North China Institute of Science and Technology Applicant before: North China Institute of Science and Technology |
|
| 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: 20180622 |