WO2017041364A1 - Machine d'exploitation du charbon à marche à chenilles par forage bidirectionnel auto-rotatif et son procédé d'application - Google Patents

Machine d'exploitation du charbon à marche à chenilles par forage bidirectionnel auto-rotatif et son procédé d'application Download PDF

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Publication number
WO2017041364A1
WO2017041364A1 PCT/CN2015/095486 CN2015095486W WO2017041364A1 WO 2017041364 A1 WO2017041364 A1 WO 2017041364A1 CN 2015095486 W CN2015095486 W CN 2015095486W WO 2017041364 A1 WO2017041364 A1 WO 2017041364A1
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WO
WIPO (PCT)
Prior art keywords
shaft
shearer
hydraulic motor
crawler
coal mining
Prior art date
Application number
PCT/CN2015/095486
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English (en)
Chinese (zh)
Inventor
刘送永
杜长龙
崔新霞
李建平
江红祥
唐玮
Original Assignee
中国矿业大学
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Application filed by 中国矿业大学 filed Critical 中国矿业大学
Publication of WO2017041364A1 publication Critical patent/WO2017041364A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts

Definitions

  • the invention relates to a two-way drilling type coal mining machine and a using method thereof, in particular to a crawler walking self-rotating two-way drilling type coal mining machine suitable for a drilling type coal mining machine and a using method thereof.
  • the auger mining method is a mature coal mining method for unmanned coal mining face.
  • the coal mining method is widely used for thin coal seams and extremely thin coal seams with unstable surrounding rock, and is also used for corner coal. Mining and recycling of various coal pillars.
  • the drilling type shearer has only the function of one-way mining of coal seams in the thin coal seam mining process. Therefore, in the case of thin coal seams on both sides of the roadway, the existing auger type shearer cannot simultaneously realize Mining, after mining one side, transfer to the other side of the mining, the whole process results in low efficiency, time-consuming and labor-intensive, high labor intensity, coal mining time and equipment movement time.
  • the object of the present invention is to overcome the deficiencies in the prior art, and to provide a crawler walking and rotating two-way drilling type coal mining machine and a using method thereof, which can be added once by adding a rotating device based on the prior art. Achieve the auger to achieve the mining of thin coal seams on both sides.
  • the crawler walking self-rotating two-way drilling type coal mining machine of the present invention comprises a coal mining machine upper frame assembly and a shearer base disposed under the shearer upper frame assembly, wherein the shearer base is provided under the base of the shearer a slewing support device, wherein the slewing support device is provided with a crawler running mechanism, and the crawler travel mechanism is provided with a transmission device connected to the slewing support device;
  • the slewing support device comprises an inner ring and an outer ring on the inner ring, and a rolling ball body is arranged between the inner ring and the outer ring, and the outer ring is fixed together with the shearer base through the bolt, the inner ring
  • the bolts are fixed together with the crawler walking mechanism;
  • the crawler running mechanism includes a crawler belt, a driving wheel, a tensioning device, a guiding wheel, a tensioning device, a roller, a connecting frame, a driving motor, a chassis support frame and a side wall; the driving wheel and the guiding wheel pass through the same
  • a rolling bearing in the center hole is connected to a central shaft at both ends of the connecting frame, the crawler belt is engaged on the teeth of the driving wheel and the guiding wheel, and the tensioning device is connected to both ends of the driving wheel central shaft by bolts, the branch
  • the heavy wheel is coupled to the central shaft of the connecting frame through a rolling bearing in the central hole thereof, and is engaged with the crawler belt, the driving motor is bolted to the connecting frame, and the protruding shaft is connected with the central shaft of the driving wheel,
  • the chassis support frame is bolted to the connecting frame, and the side wall is welded to the connecting frame;
  • the transmission device comprises a hydraulic motor, a brake lock, a hydraulic motor gear, a shaft I large gear, a shaft I, an axle I pinion, a shaft II large gear, a shaft II, a runner, a rolling bearing;
  • the hydraulic motor passes The bolt is connected to a chassis support frame in the crawler running mechanism, the brake locker passes through the hydraulic motor output shaft and is bolted to the chassis support frame, and the hydraulic motor gear is firmly connected to the hydraulic motor output shaft through a flat key.
  • the shaft I large gear and the shaft II large gear are respectively connected with the shaft I and the shaft II through splines, and the shaft I pinion is connected with the shaft I through the flat key, and the shaft I and the shaft II are all rolled.
  • the movable bearing supports and performs the rotary motion, and the hydraulic motor gear and the shaft I large gear, the shaft I pinion and the shaft II large gear, the runner and the outer ring of the slewing support device are correctly meshed with each other.
  • the outer side of the slewing support device is provided with a side wall for preventing large pieces of coal from entering the rotary reduction gear box.
  • the drilling type shearer is arranged in the roadway, and the mining operation is first carried out on the side of the thin coal seam.
  • the hydraulic motor is started through the control panel button, and the hydraulic motor transmits the torque to the hydraulic pressure through the output shaft thereof.
  • the high-speed small torque is converted into low-speed and large torque to the runner through the shaft I large gear, the shaft I, the shaft I pinion, the shaft II large gear, and the shaft II, and the runner passes the gear teeth.
  • the control panel controls the brake lock to lock the hydraulic motor output shaft to prevent the spiral drill bit on the shearer upper frame assembly from over-rotating or coal mining operation.
  • the phenomenon of revolving occurs, and the mining operation of the thin coal seam on the other side is carried out, so that the auger can be used for bidirectional coal mining at the same place, the coal mining efficiency is improved, and the equipment transfer and mining time are reduced.
  • the present invention can realize that the drill type shearer successively extracts thin coal seams on both sides in the same place of the roadway, and does not need to move the drill type coal mining machine after the completion of one thin coal seam mining, and then carry out the thin coal seam mining on the other side. It saves time and improves coal mining efficiency; when the drill type shearer meets the intersection at the way from the main roadway to the working face roadway, the spiral drill bit can be self-rotating by means of the slewing support device, so that it can easily reach the work through the roadway fork. Face saving equipment movement time.
  • the transmission device of the present invention is provided with a brake lock device which can prevent the spiral drill bit from being over-rotated or the spiral drill bit from rotating during the coal mining, which greatly improves the reliability of the device;
  • the invention adopts a hydraulic motor and a small volume.
  • the rotary reduction gearbox realizes the rotary motion of the auger bit, and ensures reliable transmission torque and compact structure. It is only necessary to add a corresponding control switch in the control panel to control the hydraulic motor and the brake locker, and the operation is convenient. It is easy to maintain, has strong adaptability and wide application range, and has wide practicality in the field.
  • FIG. 1 is a schematic structural view of a crawler walking and rotating two-way drill type coal mining machine assembly according to the present invention
  • FIG. 2 is a top plan view showing the structure of the coal mining machine upper frame assembly of the present invention
  • Figure 3 is a top plan view showing the structure of the shearer base of the present invention.
  • Figure 4 is a cross-sectional view of the shearer base C-C of the present invention.
  • Figure 5 is a front elevational view showing the connection structure of the slewing support device of the present invention.
  • Figure 6 is a top plan view showing the connection structure of the slewing support device of the present invention.
  • Figure 7 is a front elevational view showing the crawler running mechanism of the present invention.
  • Figure 8 is a top plan view of the crawler running mechanism of the present invention.
  • Figure 9 is a schematic view showing the operation of the crawler walking and rotating two-way drilling type shearer in the coal mining operation of the present invention.
  • Fig. 10 is a schematic view showing the operation of the track-worn self-rotating two-way drilling type shearer of the present invention passing through a roadway fork.
  • the crawler walking self-rotating two-way drilling type coal mining machine of the invention comprises a coal mining machine upper frame assembly 2, a shearer base 3 disposed under the shearer upper frame assembly 2, and a slewing support under the shearer base 3
  • the device 4 the slewing support device 4 is provided with a crawler running mechanism 6, the crawler traveling mechanism 6 is provided with a transmission device 5 connected to the slewing support device 4;
  • the slewing support device 4 includes an inner ring 4-1, an outer ring 4-3 sleeved on the inner ring 4-1, and a rolling ball 4-2 between the inner ring 4-1 and the outer ring 4-3.
  • the outer ring 4-3 is fixed to the shearer base 3 by bolts, and the inner ring 4-1 is fixed to the crawler running mechanism 6 by bolts;
  • the crawler running mechanism 6 includes a crawler belt 6-1, a drive wheel 6-2, a tensioning device 6-3, a guide wheel 6-4, a tensioning device 6-5, a roller 6-6, and a connecting frame 6- 7.
  • the drive motor 6-8, the chassis support frame 6-9 and the side wall 6-10; the drive wheel 6-2 and the guide wheel 6-4 are connected to the connection frame 6-7 through the rolling bearing in the center hole thereof.
  • the crawler belt 6-1 is engaged on the teeth of the drive wheel 6-2 and the guide wheel 6-4, and the tensioning device 6-3 passes through both ends of the central axis of the bolt and the drive wheel 6-2.
  • the roller 6-6 is connected to the central shaft of the connecting frame 6-7 through a rolling bearing in its central hole, and meshes with the crawler belt 6-1, and the driving motor 6-8 is connected by bolting
  • the extension shaft is connected to the central shaft of the drive wheel 6-2
  • the chassis support frame 6-9 is bolted to the connection frame 6-7
  • the side wall 6-10 is welded to the connection.
  • the transmission device 5 includes a hydraulic motor 5-1, a brake lock 5-2, a hydraulic motor gear 5-3, an axle I large gear 5-4, an axle I5-5, an axle I pinion 5-6, Shaft II large gear 5-7, shaft II5-8, runner 5-9, rolling bearing 5-10;
  • the hydraulic motor 5-1 is connected to the chassis support frame 6-9 in the crawler mechanism 6 by bolts
  • the brake lock 5-2 passes through the output shaft of the hydraulic motor 5-1 and is bolted to the chassis support frame 6-9.
  • the hydraulic motor gear 5-3 is firmly connected to the output shaft of the hydraulic motor 5-1 by a flat key.
  • the shaft I large gear 5-4 and the shaft II large gear 5-7 are respectively connected to the shaft I5-5 and the shaft II5-8 through splines, and the shaft I pinion 5-6 is connected to the shaft I5-5 through the flat key.
  • axis I5-5, axis II5-8 Both are supported by the rolling bearing 5-10 and do the rotary motion, the hydraulic motor gear 5-3 and the shaft I large gear 5-4, the shaft I pinion 5-6 and the shaft II large gear 5-7, the runner 5-9 and the rotation
  • the outer rings 4-3 of the support device 4 are properly engaged with each other.
  • the outer side of the slewing support device 4 is provided with side walls 6-10 for preventing large pieces of coal from entering the rotary reduction gear box.
  • the crawler walking self-rotating two-way drilling type shearer 1 is mainly composed of a shearer upper frame assembly 2, a shearer base 3, a slewing support device 4, a transmission device 5 and a crawler traveling mechanism 6.
  • the shearer upper frame assembly 2 is mounted on the shearer base 3, and the slewing support device 4 is firmly connected to the shearer base 3 by bolts.
  • the slewing support device 4 is symmetrically provided with a transmission device 5, and the transmission device 5 is mounted on the crawler belt. On the running mechanism 6.
  • the transmission device 5 is mainly composed of a hydraulic motor 5-1, a brake lock 5-2, a hydraulic motor gear 5-3, an axle I large gear 5-4, an axle I5-5, and an axle I pinion 5-6.
  • the shaft II large gear 5-7, the shaft II5-8, the runner 5-9, and the rolling bearing 5-10 are formed.
  • the hydraulic motor 5-1 is connected to the chassis support frame 6-9 in the crawler mechanism 6 by bolts, and the brake lock 5-2 passes through the output shaft of the hydraulic motor 5-1 and is bolted to the chassis support frame 6-9.
  • the hydraulic motor gear 5-3 is firmly connected to the output shaft of the hydraulic motor 5-1 through a flat key.
  • the shaft I large gear 5-4 and the shaft II large gear 5-7 are respectively splined with the shaft I5-5 and the shaft II5-8.
  • Connection, the shaft I pinion 5-6 is connected to the shaft I5-5 through the flat key, and the shaft I5-5 and the shaft II5-8 are both supported by the rolling bearing 5-10 and are rotated, and the hydraulic motor gear 5-3 and the shaft I are large.
  • the gear 5-4, the shaft I pinion 5-6 and the shaft II large gear 5-7, the runner 5-9 and the outer ring 4-3 in the slewing support 4 are properly engaged with each other.
  • the shearer upper frame assembly 2 is mainly composed of a drive frame 2-1, a transmission case 2-2, a stabilizer 2-3, a side frame 2-4, a hydraulic motor 2-5, and a air cylinder 2 -6, auger drill pipe 2-7, spiral drill bit 2-8.
  • the hydraulic motors 2-5 are two, symmetrically disposed on the driving frame 2-1, and the side frames 2-4 are symmetrically disposed on both sides of the driving frame 2-1, and the output shafts of the two hydraulic motors 2-5 are respectively connected Spiral drill pipe 2-7, two spiral drill pipes 2-7 are provided with stabilizer 2-3, two spiral drill pipes 2-7 are provided with air cylinder 2-6, and transmission box 2-2 is provided with spiral At the front of the drill pipe 2-7, the auger bit 2-8 is placed on the auger shaft 2-7.
  • the shearer base 3 is mainly composed of a chassis 3-7, an intermediate support frame 3-8, a lateral support frame 3-1, a front support frame 3-2, and a fixed frame 3. -3, the fixed frame 3-4, the rear support frame 3-5 and the fixed frame 3-6.
  • the bottom frame 3-7 is embedded in the lower end groove of the intermediate support frame 3-8 through the upper end protruding post, thereby ensuring a stable connection between the two sides, the lateral support frame 3-1, the forward support frame 3-2 and the rear support
  • the frame 3-5 is firmly connected to the intermediate support frame 3-8 by welding, and the fixing frame 3-3 and the fixing frame 3-4 are all fastened to the lateral support frame 3-1 by bolts, and the fixing frame 3-6 is also passed.
  • the bolts are fastened to the rear support frame 3-5.
  • the fixing frame 3-3 and the fixing frame 3-4 have the function of reinforcing support.
  • the slewing support device 4 is mainly composed of an inner ring 4-1, an outer ring 4-3 and a rolling ball 4-2, and the outer ring 4-3 end face and the shearer base 3
  • the bottom frame 3-7 is uniformly provided with bolt connection holes 15 on the same axis, and the end faces of the inner ring 4-1 and the chassis support frame 6-9 and the rotary reduction box wall 11 in the crawler traveling mechanism 6 are evenly distributed.
  • a bolt connection hole 2 in the same axis; the shearer base 3 passes through a hexagon socket bolt 7 through the bolt connection hole 15, a gasket 8, a gasket 2, a nut 13 and an outer ring 4 3 fasten the connection.
  • the chassis support frame 6-9, the rotary reduction gear box wall 11 and the inner ring 4-1 pass through the hexagonal bolts 9 through the bolt connection holes 26, the spacers 8, and the spacers 3. 12, the nut two 14 fastening connection.
  • the crawler running mechanism 6 is mainly composed of a crawler belt 6-1, a drive wheel 6-2, a tensioning device 6-3, a guide wheel 6-4, a buffer spring 6-5, and a roller. 6-6, the connecting frame 6-7, the driving motor 6-8, the chassis support frame 6-9 and the side walls 6-10.
  • the driving wheel 6-2 and the guiding wheel 6-4 are respectively reliably connected to the central axes of the two ends of the connecting frame 6-7 through the rolling bearings in the center hole thereof, and the crawler belt 6-1 is engaged with the driving wheel 6-2 and guided by the meshing manner.
  • the tensioning device 6-3 is connected to both ends of the central shaft of the driving wheel 6-2 by bolts, and the buffer spring 6-5 is sleeved in the tensioning device 6-3, and the supporting roller 6- 6 is firmly connected to the central shaft of the connecting frame 6-7 through the rolling bearing in the center hole thereof, and meshes with the crawler belt 6-1, and the driving motor 6-8 is bolted to the connecting frame 6-7, and the protruding shaft Connected to the central shaft of the drive wheel 6-2, the chassis support frame 6-9 is securely coupled to the connector frame 6-7 by bolts, and the side walls 6-10 are welded to the chassis support frame 6-10.
  • the tensioning device 6-3 has the function of adjusting the crawler belt 6-1 to be in a proper tensioning force
  • the driving motor 6-8 has the function of providing power
  • the side wall 6-10 has the function of preventing the large piece of coal from entering the rotary reduction gear box. effect.
  • the drill shearer 1 is rotated in situ by the swing support device 4 to adjust the orientation of the auger, The thin coal seam B side 19 is mined, thereby greatly improving the mining efficiency and reducing the coal mining time.
  • the use method of the crawler walking self-rotating two-way drilling type coal mining machine of the invention the use method of the crawler walking self-rotating two-way drilling type coal mining machine: the drilling type shearing machine 1 is arranged in the roadway 18, first to the side of the thin coal seam After the mining operation is completed, after the mining operation of the thin coal seam on the side is completed, and after the recovery operation of the components such as the hydraulic propulsion member and the supporting hydraulic cylinder is completed, the hydraulic motor 5-1 is started through the panel button on the control cabinet, and the hydraulic motor 5-1 passes through The output shaft transmits torque to the hydraulic motor gear 5-3, and then through the shaft I large gear 5-4, the shaft I5-5, the shaft I pinion 5-6, the shaft II large gear 5-7, the shaft II5-8 The high-speed small torque is converted into a low-speed large torque and transmitted to the runner 5-9, and the runner 5-9 drives the outer ring 4-3 in the slewing support device 4 through the gear meshing, and then connects the shearer

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
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Abstract

La présente invention concerne une machine d'exploitation du charbon à marche à chenilles par forage bidirectionnel auto-rotatif et son procédé d'application. Ladite machine d'exploitation du charbon comprend un ensemble cadre supérieur (2) de machine d'exploitation du charbon et une base (3) de machine d'exploitation du charbon disposée sous l'ensemble cadre supérieur (2) de machine d'exploitation du charbon. Un dispositif de support rotatif (4) est disposé sous la base de la machine d'exploitation du charbon. Un mécanisme de marche à chenilles (6) est disposé sous le dispositif de support rotatif (4). Un dispositif de transmission (5) relié au dispositif de support rotatif (4) est disposé sur le mécanisme de marche à chenilles (6). Ladite machine d'exploitation du charbon par forage disposée dans une galerie exploite d'abord un côté d'une veine mince, tourne de 360° en commandant le dispositif de support rotatif (4) après avoir terminé l'exploitation de la veine mince sur ledit côté, et exploite l'autre côté après que le dispositif de support rotatif (4) tourne vers l'autre côté de la veine mince, ce qui permet à une machine de forage à vis d'extraire le charbon de façon bidirectionnelle sur le même site sans déplacer l'équipement de façon importante, ce qui permet d'améliorer considérablement l'efficacité de l'exploitation. De plus, lorsqu'un croisement apparaît en cours de route d'une galerie principale à une galerie de front de taille, un embout de vissage peut tourner automatiquement, ce qui permet de traverser facilement le croisement de la galerie pour atteindre un front de taille et faire une économie de temps de déplacement d'équipement.
PCT/CN2015/095486 2015-09-11 2015-11-25 Machine d'exploitation du charbon à marche à chenilles par forage bidirectionnel auto-rotatif et son procédé d'application WO2017041364A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510578694.1A CN105178853B (zh) 2015-09-11 2015-09-11 一种履带行走自旋转双向钻式采煤机及使用方法
CN201510578694.1 2015-09-11

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WO2017041364A1 true WO2017041364A1 (fr) 2017-03-16

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CN108798511A (zh) * 2018-07-17 2018-11-13 国网江苏省电力有限公司 一种履带式吊钻一体机
CN109763775A (zh) * 2019-03-14 2019-05-17 安徽理工大学 一种自动化钻探机械
CN112443278A (zh) * 2019-08-28 2021-03-05 郑州慧矿智能科技有限公司 一种煤矿井下水力作业用透孔机
CN112664133A (zh) * 2021-01-28 2021-04-16 山东建隆工程机械有限公司 钻机动力头总成、钻机动力钻头、螺旋钻采机

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CN106321098B (zh) * 2016-11-18 2018-03-16 中国矿业大学 一种基于机器视觉和多传感器融合的采煤机自动作业***及方法
CN116868711B (zh) * 2023-07-11 2024-06-18 农业农村部南京农业机械化研究所 一种自走式根茎类中药材露头覆膜移栽机及其种植方法

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CN108798511A (zh) * 2018-07-17 2018-11-13 国网江苏省电力有限公司 一种履带式吊钻一体机
CN108798511B (zh) * 2018-07-17 2024-03-29 国网江苏省电力有限公司 一种履带式吊钻一体机
CN109763775A (zh) * 2019-03-14 2019-05-17 安徽理工大学 一种自动化钻探机械
CN112443278A (zh) * 2019-08-28 2021-03-05 郑州慧矿智能科技有限公司 一种煤矿井下水力作业用透孔机
CN112443278B (zh) * 2019-08-28 2024-06-07 郑州慧矿智能科技有限公司 一种煤矿井下水力作业用透孔机
CN112664133A (zh) * 2021-01-28 2021-04-16 山东建隆工程机械有限公司 钻机动力头总成、钻机动力钻头、螺旋钻采机

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