CN111997515B - Gas-lift reverse circulation percussion drill - Google Patents
Gas-lift reverse circulation percussion drill Download PDFInfo
- Publication number
- CN111997515B CN111997515B CN202010970088.5A CN202010970088A CN111997515B CN 111997515 B CN111997515 B CN 111997515B CN 202010970088 A CN202010970088 A CN 202010970088A CN 111997515 B CN111997515 B CN 111997515B
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- gear
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- steel wire
- cam
- hoisting
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- 238000009527 percussion Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 239000002893 slag Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
-
- 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
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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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- 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
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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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a gas lift reverse circulation percussion drill which comprises a frame, a hammer head, a stand column, a fixed steel wire wheel, two steel wire ropes, a pull rod, a swing arm, a buffer portal frame, a camshaft large gear, a camshaft, a cam, a clutch gear, a gear shifting gear, a spline shaft, a motor gear, a main brake disc, a connected gear shaft, a connected gear small gear, a connected gear large gear, a main hydraulic brake, a winch large gear, a winch small bevel gear, a winch large bevel gear, a sliding steel wire wheel shaft, a winch shaft, a liquid separation pressure brake, a slide way, a lifting oil cylinder, a rotary support turntable, an advancing and retreating oil cylinder, a cam brake shaft gear, a pneumatic brake and a gas lift reverse circulation slag discharging pipe. The invention does not need a large-tonnage crane for carrying, has a walking function, has low use cost and also has a leveling function and a rack protection function.
Description
Technical Field
The invention relates to the technical field of reverse circulation percussion drills, in particular to a gas lift reverse circulation percussion drill.
Background
The air-lift reverse circulation impact drill is an impact drill which adopts a reverse circulation mode to impact, when the air-lift reverse circulation impact drill works, a motor is connected with a driving clutch through a gear, the gear on a clutch shaft drives a large gear on a cam shaft, a cam swing arm mechanism drives a steel wire rope to lift a hammer head, and the impact work is realized by the reciprocating motion of the hammer head.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a gas lift reverse circulation percussion drill.
In order to achieve the purpose, the invention adopts the following technical scheme:
a gas lift reverse circulation percussion drill comprises a frame, a hammer head, stand columns, a fixed steel wire wheel, two steel wire ropes, a pull rod, a swing arm, a buffer door frame, a cam shaft big gear, a cam shaft, a cam, a clutch gear, a gear shift gear, a spline shaft, a motor gear, a total brake disc, a conjoined gear shaft, a conjoined gear small gear, a conjoined gear big gear, a total hydraulic brake, a winch big gear, a winch small bevel gear, a winch big bevel gear, a sliding steel wire wheel shaft, a winch shaft, a liquid division pressure brake, a slide way, a lifting oil cylinder, a rotary support turntable, a forward and backward oil cylinder, a cam brake shaft gear, a pneumatic brake and a gas lift reverse circulation slag discharge pipe, wherein the left side of the top of the frame is rotatably provided with the two stand columns, the fixed steel wire wheel is rotatably arranged between the two stand columns, and the right side of the stand column is rotatably provided with the pull rod rotatably arranged with the top of the frame, a swing arm which is rotatably installed with the frame is arranged between the two pull rods, the swing arm comprises a rolling wheel shaft with a rolling wheel and a rotating steel wire wheel, a buffer door frame which is installed with the top of the frame is rotatably installed at the top of the swing arm, a cam brake shaft which is rotatably installed with the frame is arranged between the two buffer door frames, a cam brake shaft gear is fixedly sleeved at the outer side of the cam brake shaft, the cam brake shaft gear is connected with a pneumatic brake which is installed with the top of the frame, the right sides of the two buffer door frames are provided with a same cam shaft which is installed with the top of the frame, a cam shaft gear wheel which is matched with the cam brake shaft gear is welded and sleeved at the central position of the outer side of the cam shaft, a cam which is matched with the rolling wheel is fixedly installed at the front end and the rear end of the cam shaft, a motor is installed at the top of the frame, and a motor gear is fixedly installed on an output shaft of the motor, the motor gear is engaged with a clutch gear, a spline shaft which is rotatably installed with the frame is horizontally and fixedly sleeved on the clutch gear, a gear shifting gear which is positioned at the front side of the clutch gear is fixedly sleeved on the outer side of the spline shaft, a big tooth of the conjoined gear is engaged on the right side of the gear shifting gear, a conjoined gear shaft which is rotatably installed with the top of the frame is horizontally and fixedly sleeved on the conjoined gear, a conjoined gear pinion which is integrally processed with the rear side of the conjoined gear pinion is fixedly sleeved on the outer side of the conjoined gear shaft, a main brake disc which is matched with the big tooth of the conjoined gear is fixedly sleeved on the outer side of the conjoined gear shaft, a main hydraulic brake which is fixedly installed with the top of the frame is matched on the main brake disc, a hoisting big gear is engaged on the right side of the conjoined gear pinion, the hoisting big gear comprises four hoisting bevel gears, a hoisting shaft which is fixedly installed with the top of the frame is horizontally and rotatably sleeved on the hoisting big gear, the front side and the rear side of the hoisting gear wheel are respectively provided with a hoisting machine which is rotatably installed outside the hoisting shaft, one side of each of the two hoisting machines, which is close to each other, is provided with a big bevel gear which is rotatably installed outside the hoisting shaft, the big bevel gear is meshed with the corresponding two small hoisting bevel gears, the right side of the big hoisting bevel gear is matched with a liquid-separating pressure brake which is installed at the top of the frame, the right side of the top of the frame is rotatably provided with a sliding steel wire wheel shaft, the outer side of the sliding steel wire wheel shaft is fixedly sleeved with a sliding steel wire wheel which is matched with the hoisting machine, the hoisting machine is matched with the outer sides of the corresponding sliding steel wire wheel and the corresponding rotating steel wire wheel to form a same steel wire rope, and the two steel wire ropes are in sliding contact with the top of the fixed steel wire wheel and are fixedly provided with a same hammer head.
Preferably, four lifting cylinders are installed on the rack, output shafts of the two lifting cylinders located on the same side of the rack extend to the lower portion of the rack, the same slide way in contact with the bottom of the rack is installed, the same forward and backward moving cylinder is installed between the slide way and the bottom of the rack, and a rotary supporting turntable located between the two slide ways is further installed at the bottom of the rack.
Preferably, the bottom of the hammer head is arranged with a gas lift reverse circulation slag discharging pipe.
Preferably, the sliding wire wheel shaft is positioned at the upper right part of the winding shaft.
Compared with the prior art, the invention does not need a large-tonnage crane for carrying, has the walking function, has low use cost and has the leveling function and the rack protection function.
Drawings
FIG. 1 is a schematic structural view of a gas lift reverse circulation percussion drill according to the present invention;
fig. 2 is a top view of a gas lift reverse circulation percussion drill according to the present invention.
In the figure: 1 frame, 2 hammers, 3 columns, 4 fixed steel wire wheels, 5 steel wire ropes, 6 pull rods, 7 swing arms, 8 buffer gantries, 9 camshaft big gears, 10 camshaft, 11 cam, 12 clutch gears, 13 shifting gears, 14 spline shafts, 15 motors, 16 motor gears, 17 general brake discs, 18 connected gear shafts, 19 connected gear small teeth, 20 connected gear large teeth, 21 general hydraulic brakes, 22 hoisting big gears, 23 hoisting machine, 24 hoisting small bevel gears, 25 hoisting big bevel gears, 26 sliding steel wire wheels, 27 sliding steel wire wheel shafts, 28 hoisting shafts, 29 liquid distribution pressure brakes, 30 slideways, 31 lifting cylinders, 32 convolution supporting turntables, 33 forward and backward cylinders, 34 cam brake shafts, 35 cam brake shaft gears, 36 pneumatic brakes and 37 gas lift reverse circulation slag pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a gas lift reverse circulation percussion drill comprises a frame 1, a hammer 2, a stand column 3, a fixed steel wire wheel 4, two steel wire ropes 5, a pull rod 6, a swing arm 7, a buffer portal 8, a cam shaft big gear 9, a cam shaft 10, a cam 11, a clutch gear 12, a shift gear 13, a spline shaft 14, a motor 15, a motor gear 16, a total brake disc 17, a conjoined gear shaft 18, a conjoined gear small tooth 19, a conjoined gear big tooth 20, a total hydraulic brake 21, a hoisted big gear 22, a hoist 23, a hoisted small bevel gear 24, a hoisted big bevel gear 25, a sliding steel wire wheel 26, a sliding steel wire wheel shaft 27, a hoist shaft 28, a liquid separating pressure brake 29, a slideway 30, a lifting oil cylinder 31, a rotary supporting rotary disc 32, a forward and backward moving oil cylinder 33, a cam brake shaft 34, a cam brake shaft gear 35, a pneumatic brake 36 and a gas lift reverse circulation slag discharging pipe 37, four lifting cylinders 31 are arranged on a frame 1, output shafts of two lifting cylinders 31 positioned on the same side of the frame 1 extend to the lower part of the frame 1, and are provided with the same slide way 30 contacted with the bottom of the frame 1, a same advancing and retreating cylinder 33 is arranged between the slide way 30 and the bottom of the frame 1, the bottom of the frame 1 is also provided with a rotary supporting turntable 32 positioned between the two slide ways 30, the left side of the top of the frame 1 is rotatably provided with two upright posts 3, a fixed steel wire wheel 4 is rotatably arranged between the two upright posts 3, the right side of the upright post 3 is rotatably provided with a pull rod 6 rotatably arranged with the top of the frame 1, a swing arm 7 rotatably arranged with the frame 1 is arranged between the two pull rods 6, the swing arm 7 comprises a rolling wheel shaft with a rolling wheel and a rotating steel wire wheel, the top of the swing arm 7 is rotatably provided with a buffering portal 8 arranged with the top of the frame 1, a cam brake shaft 34 which is rotatably arranged with the frame 1 is arranged between the two buffering door frames 8, a cam brake shaft gear 35 is fixedly sleeved on the outer side of the cam brake shaft 34, the cam brake shaft gear 35 is connected with a pneumatic brake 36 which is arranged with the top of the frame 1, the right sides of the two buffering door frames 8 are provided with the same cam shaft 10 which is arranged with the top of the frame 1, the central position on the outer side of the cam shaft 10 is welded and sleeved with a cam shaft big gear 9 which is matched with the cam brake shaft gear 35, the front end and the rear end of the cam shaft 10 are fixedly provided with a cam 11 which is matched with a rolling wheel, the top of the frame 1 is provided with a motor 15, an output shaft of the motor 15 is fixedly provided with a motor gear 16, the motor gear 16 is engaged with a clutch gear 12, and a spline shaft 14 which is rotatably arranged with the frame 1 is horizontally and fixedly sleeved on the clutch gear 12, a shifting gear 13 positioned on the front side of the clutch gear 12 is fixedly sleeved on the outer side of the spline shaft 14, a conjoined gear big tooth 20 is meshed on the right side of the shifting gear 13, a conjoined gear big tooth 20 is horizontally and fixedly sleeved on a conjoined gear shaft 18 rotatably installed on the top of the frame 1, a conjoined gear small tooth 19 integrally processed with the rear side of the conjoined gear big tooth 20 is fixedly sleeved on the outer side of the conjoined gear shaft 18, a main brake disc 17 matched with the conjoined gear big tooth 20 is fixedly sleeved on the outer side of the conjoined gear shaft 18, a main hydraulic brake 21 fixedly installed on the top of the frame 1 is matched on the main brake disc 17, a hoisting big gear 22 is meshed on the right side of the conjoined gear small tooth 19, the hoisting big gear 22 comprises four hoisting bevel gears 24, a hoisting shaft 28 fixedly installed on the top of the frame 1 is horizontally and rotatably sleeved on the hoisting big gear 22, the front side and the rear side of the hoisting big gear 22 are respectively provided with a hoisting machine 23 which is rotatably arranged outside the hoisting shaft 28, one side of the two hoisting machines 23 which is close to each other is provided with a big bevel gear 25 which is rotatably arranged outside the hoisting shaft 28, the big bevel gear 25 is meshed with the two corresponding hoisting small bevel gears 24, the right side of the hoisting big bevel gear 25 is matched with a liquid separating pressure brake 29 which is arranged on the top of the frame 1, the right side of the top of the frame 1 is rotatably provided with a sliding steel wire wheel shaft 27, the sliding steel wire wheel shaft 27 is positioned on the upper right side of the hoisting shaft 28, the outer side of the sliding steel wire wheel shaft 27 is fixedly sleeved with a sliding steel wire wheel 26 which is matched with the hoisting machine 23, the hoisting machine 23 is matched with the same sliding steel wire wheel 26 and the outer side of the corresponding rotating steel wire wheel 5, the two steel wire ropes 5 are both in sliding contact with the top of the fixed steel wire wheel 4 and are fixedly provided with the same hammer head 2, the bottom of the hammer head 2 is arranged with the gas lift reverse circulation slag discharging pipe 37, the invention does not need a large-tonnage crane for carrying any more, and the invention has the function of walking, thereby having low use cost and also having the functions of leveling and frame protection.
In this embodiment, when two steel wire ropes 5 are installed, the two steel wire ropes 5 fixedly install the same hammer 2, the other end of the steel wire rope 5 passes through the top of the fixed steel wire wheel 4, then passes through the bottom of the sliding steel wire wheel 26, and finally is fixed on the output shaft of the winding machine 23, the motor 15 drives the clutch gear 12 to rotate through the motor gear 16, the clutch gear 12 drives the spline shaft 14 to rotate, the spline shaft 14 drives the shift gear 13 to rotate, the shift gear 13 drives the conjoined gear big tooth 20 to rotate, the conjoined gear big tooth 20 drives the conjoined gear small tooth 19 to rotate, the conjoined gear small tooth 19 drives the winding big gear 22 to rotate, the winding big gear 22 drives the winding big bevel gear 25 to rotate through the winding small bevel gear 24, the winding big bevel gear 25 drives the winding machine 23 to rotate, and the winding machine 23 drives the steel wire rope 5 to slide on the bottom of the sliding steel wire wheel 26 and the top of the fixed steel wire wheel 4, two steel wire ropes 5 drive the hammer 2 to lift;
leveling operation: the general brake disc 17 is braked through a general hydraulic brake 21, the big tooth 20 of the conjoined gear is braked through the general brake disc 17, so that the small tooth 19 of the conjoined gear and the big winch gear 22 are both braked, and when the forces borne by the two winches 23 are different, the levelness of the hammer head 2 is adjusted through the matching of the small winch bevel gear 24 and the big winch bevel gear 25, so as to solve the problem of drilling inclined holes;
walking operation: when the lifting cylinder 31 lifts the frame 1 through the slideway 30, the rotary supporting turntable 32 is not contacted with the ground, the whole machine can be driven to move in position by the ejection and recovery of the forward and backward cylinder 33, a large-tonnage crawler crane is not needed, and the time and the cost are greatly saved;
the working process of the cam is as follows: at the moment, a gear shifting gear 13 is meshed with a camshaft big gear 9, a motor 15 drives a clutch gear 12 to rotate through a motor gear 16, the clutch gear 12 drives a spline shaft 14 to rotate, the spline shaft 14 drives the gear shifting gear 13 to rotate, the gear shifting gear 13 drives the camshaft big gear 9 to rotate, the camshaft big gear 9 drives a camshaft 10 to rotate, the camshaft 10 drives a cam 11 to rotate, the cam 11 presses a swing arm 7 to move downwards, so that a hammer head 2 is lifted, after the highest point of the cam 11 is contacted with a rolling wheel, the cam 11 is not contacted with the rolling wheel any more, the hammer head 2 drives the swing arm 7 to swing upwards through a steel wire rope 5, the swing arm 7 is buffered through a buffering portal frame 8, so that the noise is small, the hammer head 2 has no resistance when descending, and is equivalent to the free falling body of the hammer head 2, thereby generating impact force on the ground and impacting underground stones, the broken stones are discharged through the gas lift reverse circulation slag discharging pipe 37 by pressing the gas lift reverse circulation slag discharging pipe 37 downwards, when the motor 15 stops working, the hammer head 2 pulls the swing arm 7 through the steel wire rope 5 to generate force on the cam 11, so that the highest point of the cam 11 rotates to the lowest point, meanwhile, the pneumatic brake 36 stops the cam brake shaft 34, the cam brake shaft 34 drives the cam brake shaft gear 35 to be meshed with the cam shaft gear wheel 5, the motor 15 stops working, and the cam 11 does not rotate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A gas lift reverse circulation percussion drill comprises a rack (1), a hammer head (2), an upright post (3), a fixed steel wire wheel (4), two steel wire ropes (5), a pull rod (6), a swing arm (7), a buffer door frame (8), a cam shaft big gear (9), a cam shaft (10), a cam (11), a clutch gear (12), a gear shifting gear (13), a spline shaft (14), a motor (15), a motor gear (16), a total brake disc (17), a connected gear shaft (18), a connected gear small gear (19), a connected gear big gear (20), a total hydraulic brake (21), a winch big gear (22), a winch (23), a winch small bevel gear (24), a winch big bevel gear (25), a sliding steel wire wheel (26), a sliding steel wire wheel shaft (27), a winch shaft (28), a liquid dividing pressure brake (29), a slide way (30), a lifting oil cylinder (31), The slag tapping device is characterized in that two upright posts (3) are rotatably mounted on the left side of the top of the rack (1), a fixed steel wire wheel (4) is rotatably mounted between the two upright posts (3), a pull rod (6) rotatably mounted on the top of the rack (1) is rotatably mounted on the right side of the upright post (3), a swing arm (7) rotatably mounted on the rack (1) is arranged between the two pull rods (6), the swing arm (7) comprises a rolling wheel shaft with the rolling wheel and the rotating steel wire wheel, a buffer door frame (8) rotatably mounted on the top of the rack (1) is rotatably mounted on the top of the swing arm (7), a cam brake shaft (34) rotatably mounted on the rack (1) is arranged between the two buffer door frames (8), a cam brake shaft gear (35) is fixedly sleeved on the outer side of a cam brake shaft (34), the cam brake shaft gear (35) is connected with a pneumatic brake (36) installed at the top of the rack (1), the right sides of the two buffering door frames (8) are provided with a same cam shaft (10) installed at the top of the rack (1), the outer side central position of the cam shaft (10) is welded and sleeved with a cam shaft gear wheel (9) matched with the cam brake shaft gear (35), the front end and the rear end of the cam shaft (10) are both fixedly provided with a cam (11) matched with a rolling wheel, the top of the rack (1) is provided with a motor (15), an output shaft of the motor (15) is fixedly provided with a motor gear (16), the motor gear (16) is engaged with a clutch gear (12), and a spline shaft (14) rotatably installed with the rack (1) is horizontally and fixedly sleeved on the clutch gear (12), a shifting gear (13) positioned on the front side of the clutch gear (12) is fixedly sleeved on the outer side of the spline shaft (14), a conjoined gear large tooth (20) is meshed on the right side of the shifting gear (13), a conjoined gear shaft (18) rotatably installed on the top of the frame (1) is horizontally and fixedly sleeved on the conjoined gear large tooth (20), a conjoined gear small tooth (19) integrally processed with the rear side of the conjoined gear large tooth (20) is fixedly sleeved on the outer side of the conjoined gear shaft (18), a main brake disc (17) matched with the conjoined gear large tooth (20) is fixedly sleeved on the outer side of the conjoined gear shaft (18), a main hydraulic brake (21) fixedly installed on the top of the frame (1) is matched on the main brake disc (17), a hoisting large gear (22) is meshed on the right side of the conjoined gear small tooth (19), and the large gear (22) comprises four hoisting bevel gears (24), a hoisting shaft (28) fixedly mounted at the top of the rack (1) is horizontally and rotatably sleeved on the hoisting gear wheel (22), hoisting machines (23) rotatably mounted at the outer sides of the hoisting shaft (28) are respectively arranged at the front side and the rear side of the hoisting gear wheel (22), a big bevel gear (25) rotatably mounted at the outer side of the hoisting shaft (28) is arranged at one side of the two hoisting machines (23) close to each other, the big bevel gear (25) is meshed with the two corresponding hoisting bevel pinions (24), a liquid pressure-dividing brake (29) mounted at the top of the rack (1) is matched at the right side of the hoisting bevel gear (25), a sliding steel wire wheel shaft (27) is rotatably mounted at the right side of the top of the rack (1), a sliding steel wire wheel (26) matched with the hoisting machines (23) is fixedly sleeved at the outer side of the sliding steel wire wheel shaft (27), and the corresponding sliding steel wire wheel (26) are sleeved on the hoisting machine (23), The same steel wire rope (5) is matched with the outer side of the rotating steel wire wheel, the two steel wire ropes (5) are in sliding contact with the top of the fixed steel wire wheel (4), and the same hammer head (2) is fixedly installed.
2. The gas lift reverse circulation percussion drill according to claim 1, wherein four lift cylinders (31) are mounted on the frame (1), the output shafts of the two lift cylinders (31) on the same side of the frame (1) extend to the lower part of the frame (1), and are provided with the same slide way (30) contacting with the bottom of the frame (1), the same forward and backward cylinder (33) is mounted between the slide way (30) and the bottom of the frame (1), and a rotary support turntable (32) between the two slide ways (30) is further mounted at the bottom of the frame (1).
3. A gas lift reverse circulation percussion drill according to claim 1, characterized in that the bottom of the hammer head (2) is mounted with a gas lift reverse circulation tapping pipe (37).
4. A gas lift reverse circulation percussion drill according to claim 1, characterised in that the sliding wire wheel spindle (27) is located at the upper right of the hoisting shaft (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970088.5A CN111997515B (en) | 2020-09-08 | 2020-09-08 | Gas-lift reverse circulation percussion drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970088.5A CN111997515B (en) | 2020-09-08 | 2020-09-08 | Gas-lift reverse circulation percussion drill |
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| Publication Number | Publication Date |
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| CN111997515A CN111997515A (en) | 2020-11-27 |
| CN111997515B true CN111997515B (en) | 2022-04-01 |
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| CN202010970088.5A Active CN111997515B (en) | 2020-09-08 | 2020-09-08 | Gas-lift reverse circulation percussion drill |
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| CN117780264B (en) * | 2024-02-26 | 2024-04-30 | 四川省华地建设工程有限责任公司 | Dangerous rock treatment drilling device, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202596569U (en) * | 2012-03-15 | 2012-12-12 | 李建成 | Impact air lift reverse circulation drilling machine |
| CN209538165U (en) * | 2018-09-13 | 2019-10-25 | 方圆电气股份有限公司 | A kind of reacting cycle piling machine |
| CN111287647A (en) * | 2020-03-30 | 2020-06-16 | 南京尚泰工程机械制造有限公司 | Drilling machine with improved impact effect |
| CN111395946A (en) * | 2020-04-21 | 2020-07-10 | 南京尚泰工程机械制造有限公司 | Large-scale impact reverse circulation drilling machine |
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