CN111927355A - Drilling device for extracting gas in underground coal mine - Google Patents

Drilling device for extracting gas in underground coal mine Download PDF

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Publication number
CN111927355A
CN111927355A CN202010806406.4A CN202010806406A CN111927355A CN 111927355 A CN111927355 A CN 111927355A CN 202010806406 A CN202010806406 A CN 202010806406A CN 111927355 A CN111927355 A CN 111927355A
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China
Prior art keywords
drilling
plate
frame
pipe
bolts
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CN202010806406.4A
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Chinese (zh)
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韩若愚
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Individual
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Individual
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Priority to CN202010806406.4A priority Critical patent/CN111927355A/en
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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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • 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
    • E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/065—Separating solids from drilling fluids
    • 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
    • E21B3/00—Rotary drilling
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • 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 drilling device for underground gas extraction of a coal mine, which comprises a drilling vehicle frame, a drilling vehicle crawler belt, an ear plate, a mounting seat, a supporting column, a top mounting plate, a telescopic slurry collecting frame structure, a slurry cleaning frame structure, a moving pipe, a sliding mounting plate, a drilling motor, a rotary drill rod, a drill bit, a mounting groove, an adjusting cylinder, a cockpit, a slurry filtering and settling box structure, a connecting hose, a hydraulic cylinder, a hydraulic pump station and an oil inlet and outlet pipe. The invention has the beneficial effects that: through the setting of collecting cover and play thick liquid pipe, this equipment is when drilling, collects the cover and pastes the lower part at the cliff and be located the drilling position, and mud flows down along the drilling position and advances the inboard of collecting the cover to discharge through a play thick liquid pipe, be favorable to collecting and leading mud, prevent that mud from falling the equipment outside downwards, inconvenient staff clears up equipment, improves the clearance effect of this equipment.

Description

Drilling device for extracting gas in underground coal mine
Technical Field
The invention belongs to the technical field of coal mining equipment, and particularly relates to a drilling device for extracting gas in a coal mine.
Background
In geological exploration work, a drilling device is utilized to drill a cylindrical round hole with smaller diameter and larger depth into the ground, which is also called drilling. The bore holes for drilling oil and gas and ground water are larger in diameter. The borehole diameter and depth size depend on the geological mineral deposit depth and the purpose of the borehole.
However, the existing drilling device for gas extraction in the underground coal mine also has the problems that the mud generated during drilling is inconvenient to collect, the shaking amplitude is too large when a drill rod rotates, and the flowing mud is inconvenient to process.
Therefore, the invention is very necessary to invent the drilling device for extracting gas under the coal mine.
Disclosure of Invention
In order to solve the technical problems, the invention provides a drilling device for underground gas extraction of a coal mine, which aims to solve the problems that the existing drilling device for underground gas extraction of the coal mine is inconvenient to collect slurry generated during drilling, the shaking amplitude is too large when a drill rod rotates, and the flowing slurry is inconvenient to process. A drilling device for gas extraction in a coal mine comprises a drilling vehicle frame, a drilling vehicle crawler belt, an ear plate, a mounting seat, a support column, a top mounting plate, a telescopic slurry collecting frame structure, a slurry cleaning frame structure, a moving pipe, a sliding mounting plate, a drilling motor, a rotary drill rod, a drill bit, a mounting groove, an adjusting cylinder, a cockpit, a slurry filtering and settling tank structure, a connecting hose, a hydraulic cylinder, a hydraulic pump station and an oil inlet and outlet pipe, wherein the drilling vehicle crawler belt is respectively mounted at the front end and the rear end of the lower part of the drilling vehicle frame; the ear plates are respectively bolted on the right side of the upper part of the drilling truck frame, the left part of the middle upper part of the drilling truck frame and the lower part of the top mounting plate; the mounting seat is axially connected to the upper part of the lug plate; the supporting columns are respectively connected to the four corners of the right side of the mounting seat through bolts; the top mounting plate is connected to the right side of the support column through bolts; the telescopic slurry collecting frame structure is arranged on the right side of the top mounting plate; the slurry cleaning frame structure is arranged at the upper part of the right side of the telescopic slurry collecting frame structure; the moving pipe is sleeved on the left side of the supporting column; the sliding mounting plate is connected to the inner side of the moving pipe through bolts; the drilling motor is connected to the left side of the sliding mounting plate through a bolt, and an output shaft penetrates through the sliding mounting plate; the left side of the rotary drill rod is connected with an output shaft coupler of a drilling motor; the drill bit is connected to the right side of the rotary drill rod through a bolt; the mounting groove is formed in the right side of the frame of the drilling truck; the adjusting cylinder is arranged on the inner side of the mounting groove, and the upper part of the adjusting cylinder is in shaft connection with the lug plate; the cab is arranged on the left side of the upper part of the frame of the drilling truck; the mud filtering and settling tank structure is arranged at the rear end of the right side of the frame of the drilling truck; one end of the connecting hose is connected with the telescopic slurry collecting frame structure, and the other end of the connecting hose is connected with the slurry filtering and settling tank structure; the hydraulic cylinders are connected to four corners of the right side of the mounting seat through bolts, and the output rod is connected with the left side of the movable pipe through bolts; the hydraulic pump station is connected to the upper part of the frame of the drilling truck through bolts; one end of the oil inlet and outlet pipe is in threaded connection with a hydraulic pump station, and the other section of the oil inlet and outlet pipe is in threaded connection with a hydraulic cylinder; the telescopic mud collecting frame structure comprises a connecting plate, telescopic cylinders, a moving plate, a collecting cover, a drill rod rotating fixing frame structure and a mud outlet pipe, wherein the telescopic cylinders are respectively bolted at the four corners of the right side of the connecting plate; the four corners of the left side of the moving plate are connected with output rods of the telescopic cylinders through bolts; the collecting cover is connected to the right side of the moving plate through bolts; the drill rod rotating fixing frame structure is arranged on the right side of the moving plate; the slurry outlet pipe is welded at the lower part of the collecting cover and is communicated with the inner side of the collecting cover.
Preferably, the drill rod rotary fixing frame structure comprises a fixing plate, a conical frame, a right side fixing pipe, a left side fixing pipe, a shaft plate and a sliding roller, wherein the conical frame is connected to the right side of the fixing plate through bolts; the right side fixing pipe is connected to the right side of the conical frame through a bolt; the left fixing tube is embedded in the middle of the inner side of the fixing plate; the shaft plates are respectively welded on the inner side of the right fixed pipe and the inner side of the left fixed pipe; the sliding roller is coupled to the inner side of the shaft plate.
Preferably, the slurry filtering and precipitating tank structure comprises a tank body, a limiting ring, a conical filter screen, a limiting plate, a liquid inlet pipe, a partition plate, a water suction pump, a water inlet pipe and a water outlet pipe, wherein the limiting ring is connected to the right side in the tank body through bolts; the conical filter screen is inserted into the inner side of the limiting ring; the limiting plates are respectively welded on the left side and the right side of the upper part of the conical filter screen; the liquid inlet pipe is welded on the right side of the upper part of the box body; the baffle plate is welded in the middle of the upper part of the inner side of the box body; the water suction pump is connected to the left side of the upper part of the box body through a bolt; the water inlet pipe is in threaded connection with a water inlet of the water suction pump, and the lower part of the water inlet pipe penetrates through the box body and extends to the middle position of the box body; the water outlet pipe is in threaded connection with the water outlet of the water suction pump.
Preferably, the mud cleaning frame structure comprises a connecting frame, handles, rollers, a rubber scraper and a brush, wherein the handles are respectively welded on the left side and the right side of the upper part of the connecting frame; the roller shaft is connected to the left side of the lower part of the connecting frame; the rubber scraper is glued to the lower part of the inner side of the connecting frame; the brush is glued on the right side of the connecting frame.
Preferably, the right upper part of box screw connection have a side end cover, the lower part left side screw connection of box have a bottom end cover, the inside left side of box and the left side lower part of baffle respectively bolted connection have a buffer board, two buffer boards cross arrangement.
Preferably, the connecting plate is connected to the right side of the top mounting plate through bolts, and a through hole is formed in the middle of the inner side of the connecting plate.
Preferably, the fixed plate is embedded in the middle position of the inner side of the moving plate, the tapered frame and the right side fixed pipe are respectively arranged on the inner side of the collecting cover, the left side of the sliding roller is obliquely arranged towards the lower part, and a cylindrical hole is formed in the middle position of the inner side of the tapered frame.
Preferably, the box body is connected to the rear end of the right side of the frame of the drilling truck through bolts.
Preferably, the connecting frame is placed on the upper portion of the collecting cover, the roller is arranged on the outer side of the collecting cover, and one side, far away from the connecting frame, of the rubber scraper is attached to the inner wall of the collecting cover.
Preferably, one end of the connecting hose is connected to the lower portion of the slurry outlet pipe in a flange mode, the other end of the connecting hose is connected to the upper portion of the liquid inlet pipe in a flange mode, and the right side of the rotary drill rod penetrates through the top mounting plate, the connecting plate, the left side fixing pipe, the conical frame and the right side fixing pipe respectively.
Preferably, the output rod of the adjusting cylinder is coupled with the lug plate at the lower part of the top mounting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, due to the arrangement of the collecting cover and the slurry outlet pipe, when the equipment drills, the collecting cover is attached to the lower part of the rock wall and is positioned at the drilling position, slurry flows downwards into the inner side of the collecting cover along the drilling position and is discharged through the slurry outlet pipe, so that the slurry is collected and guided, the slurry is prevented from falling downwards to the outer side of the equipment, workers cannot clean the equipment conveniently, and the cleaning effect of the equipment is improved.
2. According to the invention, the connecting plate, the telescopic cylinder and the moving plate are arranged, the connecting plate is fixed on the right side of the top mounting plate, the telescopic cylinder pushes the moving plate to move and pushes the collecting cover to a drilling part, when the device is not used, the telescopic cylinder drives the collecting cover to move towards the left side through the moving plate, so that the collecting cover is prevented from influencing the positioning of a drill bit on the drilling position, the drilling of the device is prevented from deviating, and the function of the device is further improved.
3. According to the rotary drill rod, the fixed plate, the conical frame, the right side fixed pipe, the left side fixed pipe, the shaft plate and the sliding roller are arranged, the rotary drill rod rotates on the inner sides of the conical frame, the right side fixed pipe and the left side fixed pipe, the sliding roller rotates along with the rotary drill rod, the rotating drill rod is limited in the shaking range when rotating, the shaking amplitude of the rotary drill rod is reduced, the rotary drill rod rotates more stably, and meanwhile the rotary sliding roller which is obliquely arranged cannot influence the movement of the rotary drill rod.
4. According to the invention, the box body, the conical filter screen and the liquid inlet pipe are arranged, mud enters the box body through the liquid inlet pipe and flows downwards, when the mud passes through the conical filter screen, the conical filter screen filters silt particles in the mud, the mud falls to the lower part of the box body for precipitation, the collected silt is favorably filtered and precipitated, the mud is conveniently treated by workers, and the mud is prevented from falling to the bottom of the track of the drilling vehicle, so that the stability of the equipment during processing is influenced.
5. According to the invention, the arrangement of the side end cover and the bottom end cover is beneficial to cleaning the filtered silt particles, the subsequent processing and use of the equipment are not influenced, workers can conveniently clean the interior of the box body and the conical filter screen, and the maintenance cost of the equipment is further reduced.
6. According to the invention, the arrangement of the buffer plate, the water suction pump, the water inlet pipe and the water outlet pipe is beneficial to conveniently cleaning the waste liquid after precipitation, meanwhile, the buffer plate can slow down the flow speed of slurry, the precipitation effect of the equipment is improved, and the water suction pump discharges the waste liquid through the water inlet pipe and the water outlet pipe.
7. According to the invention, the connecting frame, the handle, the roller and the rubber scraper are arranged, the connecting frame is placed on the upper part of the collecting cover, the handle is held by a hand to drag the connecting frame, the roller rolls along the outer side of the collecting cover, and the rubber scraper moves along the inner side of the collecting cover, so that the cleaning of slurry on the inner side of the collecting cover is facilitated, the slurry is prevented from being solidified on the inner side of the collecting cover, the subsequent use of the collecting cover is influenced, and the maintenance effect of the collecting cover is improved.
8. According to the invention, the arrangement of the brush is beneficial to conveniently cleaning the inner sides of the slurry outlet pipe and the liquid inlet pipe, and the phenomenon that slurry is continuously solidified on the inner sides of the slurry outlet pipe and the liquid inlet pipe to influence the normal use of the slurry outlet pipe and the liquid inlet pipe is prevented, so that the service lives of the slurry outlet pipe and the liquid inlet pipe are prolonged, and the service life of the equipment is further prolonged.
9. According to the invention, the arrangement of the supporting columns and the moving pipes is beneficial to increasing the stability of the sliding mounting plate during moving, and meanwhile, the drilling motor, the rotary drill rod and the drill bit are more stable during moving, so that the stability of the equipment during drilling is improved, and further the drilling precision of the equipment is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic structural view of the telescoping mud collection cage configuration of the present invention.
Fig. 3 is a structural schematic diagram of the drill rod rotary fixing frame structure of the invention.
FIG. 4 is a schematic diagram of the construction of the mud filtration and settling tank of the present invention.
FIG. 5 is a schematic structural view of a mud cleaning rack structure of the present invention.
In the figure:
1. drilling a car frame; 2. drilling a vehicle track; 3. an ear plate; 4. a mounting seat; 5. a support pillar; 6. a top mounting plate; 7. a telescopic slurry collecting frame structure; 71. a connecting plate; 72. a telescopic cylinder; 73. moving the plate; 74. a collection hood; 75. a drill rod rotating fixing frame structure; 751. a fixing plate; 752. a conical frame; 753. a right side fixed tube; 754. a left side fixed tube; 755. a shaft plate; 756. a slide roller; 76. a pulp outlet pipe; 8. a slurry cleaning frame structure; 81. a connecting frame; 82. a handle; 83. a roller; 84. a rubber blade; 85. a brush; 9. moving the tube; 10. a slide mounting plate; 11. a drilling motor; 12. rotating the drill rod; 13. a drill bit; 14. mounting grooves; 15. an adjusting cylinder; 16. a cockpit; 17. a mud filtering and settling tank structure; 171. a box body; 1711. a side end cap; 1712. a bottom end cap; 1713. a buffer plate; 172. a limiting ring; 173. a conical filter screen; 174. a limiting plate; 175. a liquid inlet pipe; 176. a partition plate; 177. a water suction pump; 178. a water inlet pipe; 179. a water outlet pipe; 18. a connecting hose; 19. a hydraulic cylinder; 20. a hydraulic pump station; 21. and (4) entering and exiting the oil pipe.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in the attached drawings 1 and 2, the drilling device for underground gas extraction of the coal mine comprises a drilling vehicle frame 1, a drilling vehicle crawler belt 2, an ear plate 3, a mounting seat 4, a support column 5, a top mounting plate 6, a telescopic slurry collecting frame structure 7, a slurry cleaning frame structure 8, a moving pipe 9, a sliding mounting plate 10, a drilling motor 11, a rotary drill rod 12, a drill bit 13, a mounting groove 14, an adjusting cylinder 15, a cockpit 16, a slurry filtering and settling tank structure 17, a connecting hose 18, a hydraulic cylinder 19, a hydraulic pump station 20 and an oil inlet and outlet pipe 21, wherein the drilling vehicle crawler belt 2 is respectively mounted at the front end and the rear end of the lower part of the drilling vehicle frame 1; the ear plates 3 are respectively bolted on the right side of the upper part of the drilling truck frame 1, the left part of the middle upper part of the drilling truck frame 1 and the lower part of the top mounting plate 6; the mounting seat 4 is coupled to the upper part of the ear plate 3; the supporting columns 5 are respectively bolted at the four corners of the right side of the mounting seat 4; the top mounting plate 6 is connected to the right side of the support column 5 through bolts; the telescopic slurry collecting frame structure 7 is arranged on the right side of the top mounting plate 6; the slurry cleaning frame structure 8 is arranged at the upper part of the right side of the telescopic slurry collecting frame structure 7; the moving pipe 9 is sleeved on the left side of the supporting column 5; the sliding mounting plate 10 is connected to the inner side of the moving pipe 9 through bolts; the drilling motor 11 is connected to the left side of the sliding mounting plate 10 through a bolt, and an output shaft penetrates through the sliding mounting plate 10; the left side of the rotary drill rod 12 is connected with an output shaft coupling of the drilling motor 11; the drill bit 13 is connected to the right side of the rotary drill rod 12 through a bolt; the mounting groove 14 is formed in the right side of the frame 1 of the drilling truck; the adjusting cylinder 15 is arranged on the inner side of the mounting groove 14, and the upper part of the adjusting cylinder is in shaft connection with the lug plate 3; the cab 16 is arranged on the left side of the upper part of the drill truck frame 1; the mud filtering and settling tank structure 17 is arranged at the rear end of the right side of the frame 1 of the drilling truck; one end of the connecting hose 18 is connected with the telescopic slurry collecting frame structure 7, and the other end of the connecting hose is connected with the slurry filtering and settling tank structure 17; the hydraulic cylinders 19 are bolted at the four corners of the right side of the mounting seat 4, and the output rods are in bolted connection with the left side of the movable pipe 9; the hydraulic pump station 20 is connected to the upper part of the frame 1 of the drilling truck through bolts; one end of the oil inlet and outlet pipe 21 is connected with a hydraulic pump station 20 through a thread, and the other end of the oil inlet and outlet pipe is connected with a hydraulic cylinder 19 through a thread; the telescopic mud collecting frame structure 7 comprises a connecting plate 71, telescopic cylinders 72, a moving plate 73, a collecting cover 74, a drill rod rotating fixing frame structure 75 and a mud outlet pipe 76, wherein the telescopic cylinders 72 are respectively bolted at the four corners of the right side of the connecting plate 71; the left four corners of the moving plate 73 are connected with output rods of the telescopic air cylinders 72 through bolts; the collecting cover 74 is connected to the right side of the moving plate 73 through bolts; the drill rod rotating and fixing frame structure 75 is arranged on the right side of the moving plate 73; the slurry outlet pipe 76 is welded at the lower part of the collecting cover 74 and is communicated with the inner side of the collecting cover 74; the output rod of the telescopic cylinder 72 pushes the moving plate 73 to move towards the right side, the moving plate 73 pushes the collecting cover 74 to be attached to the rock wall, the collecting cover 74 is located at a drilling position, and mud during drilling flows to the inner side of the collecting cover 74 and is discharged through the mud pipe 76.
In the above embodiment, as shown in fig. 3, specifically, the drill rod rotation fixing frame structure 75 includes a fixing plate 751, a conical frame 752, a right fixing tube 753, a left fixing tube 754, a shaft plate 755, and a sliding roller 756, wherein the conical frame 752 is bolted to the right side of the fixing plate 751; the right fixing pipe 753 is connected to the right side of the conical frame 752 through bolts; the left fixing tube 754 is embedded in the middle position of the inner side of the fixing plate 751; the shaft plate 755 is respectively welded on the inner side of the right fixing tube 753 and the inner side of the left fixing tube 754; the sliding roller 756 is axially connected to the inner side of the shaft plate 755; the rotary drill rod 12 rotates and moves inside the cone rack 752, the right stationary tube 753, and the left stationary tube 754, and the sliding roller 756 rolls along with the rotary drill rod 12 without affecting the movement of the rotary drill rod 12, thereby making the rotary drill rod 12 more stable during drilling.
As shown in fig. 4, in the above embodiment, specifically, the mud filtering and settling tank structure 17 includes a tank 171, a limiting ring 172, a conical filter net 173, a limiting plate 174, a liquid inlet pipe 175, a partition plate 176, a water suction pump 177, a water inlet pipe 178 and a water outlet pipe 179, wherein the limiting ring 172 is bolted to the right side of the inside of the tank 171; the conical filter screen 173 is inserted into the inner side of the limit ring 172; the limiting plates 174 are respectively welded at the left and right sides of the upper part of the conical filter screen 173; the liquid inlet pipe 175 is welded at the right side of the upper part of the box body 171; the partition plate 176 is welded at the middle position of the upper part of the inner side of the box body 171; the water suction pump 177 is connected to the left side of the upper part of the box 171 through bolts; the water inlet pipe 178 is connected with the water inlet of the water suction pump 177 in a threaded manner, and the lower part of the water inlet pipe penetrates through the box body 171 and extends to the middle position of the box body 171; the water outlet pipe 179 is in threaded connection with the water outlet of the water suction pump 177; the slurry enters the tank 171 through the liquid inlet pipe 175, passes through the conical filter net 173 when flowing downward, filters the silt in the slurry, and then falls to the bottom of the tank 171 for sedimentation.
As shown in fig. 5, in the above embodiment, specifically, the mud cleaning frame structure 8 includes a connecting frame 81, a handle 82, a roller 83, a squeegee 84 and a brush 85, wherein the handle 82 is welded on the left and right sides of the upper part of the connecting frame 81; the roller 83 is coupled to the left side of the lower part of the connecting frame 81; the rubber scraper 84 is glued at the lower part of the inner side of the connecting frame 81; the brush 85 is glued to the right side of the connecting frame 81; the connecting frame 81 is placed on the upper part of the collecting cover 74, the handle 82 is held by hand, the connecting frame 81 is dragged, the roller 83 rolls along the outer side of the collecting cover 74, the rubber scraper 84 moves along the inner wall of the collecting cover 74, mud is scraped off, and the mud is prevented from being solidified on the inner side of the collecting cover 74.
In the above embodiment, specifically, the upper right side of the box 171 is screwed with the side cover 1711, the left lower side of the box 171 is screwed with the bottom cover 1712, the left inside of the box 171 and the lower left side of the partition 176 are respectively screwed with the buffer plates 1713, and the two buffer plates 1713 are arranged in a crossing manner.
In the above embodiment, specifically, the connecting plate 71 is bolted to the right side of the top mounting plate 6, and a through hole is formed in the middle position of the inner side of the connecting plate 71.
In the above embodiment, the fixing plate 751 is embedded in the middle of the inner side of the moving plate 73, the tapered frame 752 and the right fixing tube 753 are respectively disposed inside the collecting cover 74, the left side of the sliding roller 756 is inclined to the lower portion, and a cylindrical hole is opened in the middle of the inner side of the tapered frame 752.
In the above embodiment, specifically, the box 171 is bolted to the rear end of the right side of the drill carriage 1.
In the above embodiment, specifically, the connecting frame 81 is placed on the upper portion of the collecting cover 74, the roller 83 is disposed on the outer side of the collecting cover 74, and the side of the squeegee 84 away from the connecting frame 81 is attached to the inner wall of the collecting cover 74.
In the above embodiment, specifically, one end of the connection hose 18 is flanged to the lower portion of the slurry outlet pipe 76, the other end of the connection hose is flanged to the upper portion of the liquid inlet pipe 175, and the right side of the rotary drill rod 12 penetrates through the top mounting plate 6, the connection plate 71, the left fixing pipe 754, the conical frame 752 and the right fixing pipe 753 respectively.
In the above embodiment, specifically, the output rod of the adjusting cylinder 15 is coupled to the ear plate 3 at the lower part of the top mounting plate 6.
Principle of operation
The working principle of the invention is as follows: when the device is used, the slurry cleaning frame structure 8 is taken down from the upper part of the collecting cover 74, a worker enters the cab 16, the crawler 2 of the drilling vehicle is controlled by a control console in the cab 16 to move the device to a drilling position, the adjusting cylinder 15 is started, the adjusting cylinder 15 pushes the top mounting plate 6 upwards to move, so that the right side of the rotary drill rod 12 inclines upwards, the drill bit 13 is moved to the drilling position, after the drilling position is determined, the telescopic cylinder 72 pushes the moving plate 73 to move towards the right side, the collecting cover 74 is positioned at a position to be processed, the right side of the collecting cover 74 is attached to a rock wall, the drilling motor 11 and the hydraulic pump station 20 are started simultaneously, the drilling motor 11 drives the rotary drill rod 12 and the drill bit 13 to rotate, the drill bit 13 drills the rock wall, meanwhile, the hydraulic pump station 20 sends hydraulic oil into the hydraulic cylinder 19 through the oil inlet and outlet pipe 21, so that the output rod of the hydraulic cylinder 19 pushes the, the moving pipe 9 drives a drilling motor 11 to move through a sliding mounting plate 10, and further pushes a rotary drill rod 12 and a drill bit 13 to move to drill a rock wall, the rotary drill rod 12 rotates and moves inside a conical frame 752, a right fixed pipe 753 and a left fixed pipe 754, a sliding roller 756 rotates along with the rotary drill rod 12 to prevent the rotary drill rod 12 from shaking too much during drilling, the sliding roller 756 which is arranged in an inclined mode can enable the sliding roller 756 to rotate along with the rotary drill rod 12 without affecting the movement of the rotary drill rod 12, slurry flowing out during drilling enters a collecting cover 74, flows downwards through the inner side of a slurry outlet pipe 76 and enters a box body 171 through a connecting hose 18 and a liquid inlet pipe 175, the slurry is left from the upper portion of the inner side of the box body 171 and passes through a conical filter screen 173 to filter large silt particles in the slurry, and the filtered slurry flows to the bottom of the box body 171 to be deposited, along with the increase of mud, waste liquid rebound after the mud deposits, buffer plate 1713 can slow down the flow velocity of waste liquid, improve the effect of deposiing to mud, when the waste liquid reachd the upper portion of buffer plate 1713, start suction pump 177, suction pump 177 inhales the waste liquid through inlet tube 178, discharge the waste liquid through outlet pipe 179, after the use is accomplished, place the upper portion of collecting cover 74 with link 81, the staff holds handle 82 and drags link 81, gyro wheel 83 rolls along the outside of collecting cover 74, link 81 drives rubber scraper 84 and removes along the inboard of collecting cover 74, scrape the inboard mud of collecting cover 74, brush 85 can wash the inboard of collecting cover 74, reduce the maintenance cost of this equipment.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims (10)

1. The drilling device for gas extraction in the underground coal mine is characterized by comprising a drilling vehicle frame (1), drilling vehicle tracks (2), ear plates (3), a mounting seat (4), a support column (5), a top mounting plate (6), a telescopic mud collecting frame structure (7), a mud cleaning frame structure (8), a moving pipe (9), a sliding mounting plate (10), a drilling motor (11), a rotary drill rod (12), a drill bit (13), a mounting groove (14), an adjusting cylinder (15), a cockpit (16), a mud filtering and settling tank structure (17), a connecting hose (18), a hydraulic cylinder (19), a hydraulic pump station (20) and an oil inlet and outlet pipe (21), wherein the drilling vehicle tracks (2) are respectively arranged at the front end and the rear end of the lower part of the drilling vehicle frame (1); the ear plates (3) are respectively bolted on the right side of the upper part of the drilling truck frame (1), the left position of the middle upper part of the drilling truck frame (1) and the lower part of the top mounting plate (6); the mounting seat (4) is coupled to the upper part of the lug plate (3) in a shaft way; the supporting columns (5) are respectively connected to the four corners of the right side of the mounting seat (4) through bolts; the top mounting plate (6) is connected to the right side of the support column (5) through bolts; the telescopic slurry collecting frame structure (7) is arranged on the right side of the top mounting plate (6); the slurry cleaning frame structure (8) is arranged at the upper part of the right side of the telescopic slurry collecting frame structure (7); the moving pipe (9) is sleeved on the left side of the supporting column (5); the sliding mounting plate (10) is connected to the inner side of the moving pipe (9) through bolts; the drilling motor (11) is connected to the left side of the sliding mounting plate (10) through a bolt, and an output shaft penetrates through the sliding mounting plate (10); the left side of the rotary drill rod (12) is connected with an output shaft coupling of a drilling motor (11); the drill bit (13) is connected to the right side of the rotary drill rod (12) through a bolt; the mounting groove (14) is formed in the right side of the drilling truck frame (1); the adjusting cylinder (15) is arranged on the inner side of the mounting groove (14), and the upper part of the adjusting cylinder is in shaft connection with the lug plate (3); the cab (16) is arranged on the left side of the upper part of the frame (1) of the drilling truck; the mud filtering and settling tank structure (17) is arranged at the rear end of the right side of the frame (1) of the drilling truck; one end of the connecting hose (18) is connected with the telescopic slurry collecting frame structure (7), and the other end of the connecting hose is connected with the slurry filtering and settling tank structure (17); the hydraulic cylinders (19) are connected to the four corners of the right side of the mounting seat (4) through bolts, and the output rods are connected with the left side of the movable pipe (9) through bolts; the hydraulic pump station (20) is connected to the upper part of the drilling truck frame (1) through bolts; one end of the oil inlet and outlet pipe (21) is connected with a hydraulic pump station (20) in a threaded manner, and the other section of the oil inlet and outlet pipe is connected with a hydraulic cylinder (19) in a threaded manner; the telescopic mud collecting frame structure (7) comprises a connecting plate (71), a telescopic cylinder (72), a moving plate (73), a collecting cover (74), a drill rod rotating fixing frame structure (75) and a mud outlet pipe (76), wherein the telescopic cylinder (72) is respectively connected to the four corners of the right side of the connecting plate (71) through bolts; the four left corners of the moving plate (73) are connected with output rods of the telescopic air cylinders (72) through bolts; the collecting cover (74) is connected to the right side of the moving plate (73) through bolts; the drill rod rotating fixing frame structure (75) is arranged on the right side of the moving plate (73); the slurry outlet pipe (76) is welded at the lower part of the collecting cover (74) and is communicated with the inner side of the collecting cover (74).
2. The drilling device for extracting gas in the underground of the coal mine according to claim 1, wherein the drill rod rotating and fixing frame structure (75) comprises a fixing plate (751), a conical frame (752), a right fixing pipe (753), a left fixing pipe (754), a shaft plate (755) and a sliding roller (756), wherein the conical frame (752) is connected to the right side of the fixing plate (751) through bolts; the right side fixing pipe (753) is connected to the right side of the conical frame (752) through bolts; the left fixing tube (754) is embedded in the middle position of the inner side of the fixing plate (751); the shaft plate (755) is respectively welded on the inner side of the right fixed pipe (753) and the inner side of the left fixed pipe (754); the sliding roller (756) is coupled to the inner side of the shaft plate (755).
3. The drilling device for extracting gas in the underground of the coal mine according to claim 1, wherein the slurry filtering and settling tank structure (17) comprises a tank body (171), a limiting ring (172), a conical filter screen (173), a limiting plate (174), a liquid inlet pipe (175), a partition plate (176), a water suction pump (177), a water inlet pipe (178) and a water outlet pipe (179), wherein the limiting ring (172) is connected to the right side of the inside of the tank body (171) through bolts; the conical filter screen (173) is inserted into the inner side of the limiting ring (172); the limiting plates (174) are respectively welded at the left side and the right side of the upper part of the conical filter screen (173); the liquid inlet pipe (175) is welded on the right side of the upper part of the box body (171); the partition plate (176) is welded in the middle of the upper part of the inner side of the box body (171); the water suction pump (177) is connected to the left side of the upper part of the box body (171) through bolts; the water inlet pipe (178) is in threaded connection with a water inlet of the water suction pump (177), and the lower part of the water inlet pipe penetrates through the box body (171) and extends to the middle position of the box body (171); the water outlet pipe (179) is in threaded connection with the water outlet of the water suction pump (177).
4. The drilling device for gas extraction in an underground coal mine according to claim 1, wherein the slurry cleaning frame structure (8) comprises a connecting frame (81), handles (82), rollers (83), rubber scrapers (84) and brushes (85), wherein the handles (82) are welded to the left side and the right side of the upper part of the connecting frame (81) respectively; the roller (83) is coupled to the left side of the lower part of the connecting frame (81) in a shaft way; the rubber scraper (84) is glued at the lower part of the inner side of the connecting frame (81); the brush (85) is glued on the right side of the connecting frame (81).
5. The drilling device for gas extraction in the underground of the coal mine according to claim 3, wherein a side end cover (1711) is screwed to the upper right side of the box body (171), a bottom end cover (1712) is screwed to the left side of the lower part of the box body (171), buffer plates (1713) are respectively screwed to the left side of the inside of the box body (171) and the lower left side of the partition plate (176), and the two buffer plates (1713) are arranged in a crossed manner.
6. The drilling device for gas extraction in an underground coal mine according to claim 1, wherein the connecting plate (71) is connected to the right side of the top mounting plate (6) through bolts, and a through hole is formed in the middle of the inner side of the connecting plate (71).
7. The drilling device for gas extraction in an underground coal mine according to claim 2, wherein the fixing plate (751) is embedded in the middle position of the inner side of the moving plate (73), the conical frame (752) and the right fixing pipe (753) are respectively arranged on the inner side of the collecting cover (74), the left side of the sliding roller (756) is obliquely arranged towards the lower part, and a cylindrical hole is formed in the middle position of the inner side of the conical frame (752).
8. The drilling device for extracting gas in the underground of the coal mine according to claim 3, wherein the box body (171) is bolted to the rear end of the right side of the frame (1) of the drilling vehicle.
9. The drilling device for gas extraction in an underground coal mine according to claim 4, wherein the connecting frame (81) is placed at the upper part of the collecting cover (74), the rollers (83) are arranged on the outer side of the collecting cover (74), and one side of the rubber scraper (84) far away from the connecting frame (81) is attached to the inner wall of the collecting cover (74).
10. The drilling device for gas extraction in an underground coal mine according to claim 1, wherein an output rod of the adjusting cylinder (15) is coupled with an ear plate (3) at the lower part of the top mounting plate (6).
CN202010806406.4A 2020-08-12 2020-08-12 Drilling device for extracting gas in underground coal mine Withdrawn CN111927355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010806406.4A CN111927355A (en) 2020-08-12 2020-08-12 Drilling device for extracting gas in underground coal mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010806406.4A CN111927355A (en) 2020-08-12 2020-08-12 Drilling device for extracting gas in underground coal mine

Publications (1)

Publication Number Publication Date
CN111927355A true CN111927355A (en) 2020-11-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010806406.4A Withdrawn CN111927355A (en) 2020-08-12 2020-08-12 Drilling device for extracting gas in underground coal mine

Country Status (1)

Country Link
CN (1) CN111927355A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931575A (en) * 2021-11-16 2022-01-14 西南石油大学 Miniature automatic drilling device and method for coal seam gas extraction
CN115445289A (en) * 2022-10-20 2022-12-09 山东科瑞油气装备有限公司 Negative pressure self-cleaning screen device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931575A (en) * 2021-11-16 2022-01-14 西南石油大学 Miniature automatic drilling device and method for coal seam gas extraction
CN113931575B (en) * 2021-11-16 2023-03-14 西南石油大学 Miniature automatic drilling device and method for coal seam gas extraction
CN115445289A (en) * 2022-10-20 2022-12-09 山东科瑞油气装备有限公司 Negative pressure self-cleaning screen device

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