CN116220541B - Construction device and construction method for full-casing full-rotary drilling machine in karst area - Google Patents

Construction device and construction method for full-casing full-rotary drilling machine in karst area Download PDF

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Publication number
CN116220541B
CN116220541B CN202310520940.2A CN202310520940A CN116220541B CN 116220541 B CN116220541 B CN 116220541B CN 202310520940 A CN202310520940 A CN 202310520940A CN 116220541 B CN116220541 B CN 116220541B
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China
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water
water storage
pipe
full
wall
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CN116220541A (en
Inventor
刘钊
梁俭鸿
李何利
杨江林
刘盈韬
庄岳欢
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Guangdong Dishan Foundation Engineering Co ltd
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Guangdong Dishan Foundation Engineering Co ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/0804Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0808Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06Cleaning; Combating corrosion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/02Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06Cleaning; Combating corrosion
    • F01P2011/063Cleaning
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)

Abstract

The invention belongs to the field of mechanical equipment in a low-clearance construction environment, and particularly relates to a construction device and a construction method of a full-casing full-rotation drilling machine in a karst area; the drilling machine comprises a drilling machine body, wherein a water tank is fixedly arranged on the drilling machine body, a water storage cylinder is fixedly connected in an inner cavity of the water tank, a motor is fixedly arranged at the top end of the water storage cylinder, the motor is fixedly connected with a first gear through an output shaft, the first gear is in meshed connection with a second gear, the second gear is sleeved with a rotating rod, and the bottom end of the rotating rod penetrates through the top of the water storage cylinder; according to the invention, the cleaning piece is matched with the cleaning piece to rotate, so that the dirt on the inner wall of the water storage barrel is cleaned quickly by the cleaning piece, the problem that the heat dissipation effect of the water tank is reduced due to too thick scale caused by high temperature after the water storage barrel is used for a long time is avoided, and the phenomenon that the engine is stopped due to incapability of scattering water temperature due to too much scale in the water tank after continuous construction of the drilling machine body is ensured.

Description

Construction device and construction method for full-casing full-rotary drilling machine in karst area
Technical Field
The invention belongs to the field of mechanical equipment in a low-clearance construction environment, and particularly relates to a construction device and a construction method of a full-casing full-rotation drilling machine in a karst area.
Background
The full-rotation full-casing drilling machine is a novel drilling machine integrating full-hydraulic power and transmission and electromechanical and hydraulic combined control. The full-sleeve pile-forming process is the most popular bored pile construction technology in the world at present, is the most advanced one of three main construction methods of bored piles in the world at present, has the construction speed which is 8-10 times that of other construction aspects under the same condition, has the pile-forming quality which is higher than the national current construction acceptance criterion standard, has shown the excellent scientificity and advancement of the benot construction technology, and has very broad application prospect.
The full-sleeve full-rotary drilling machine is suitable for realizing the construction of cast-in-place piles, replacement piles and column pile row retaining walls under the condition that barriers such as a drift stratum, a karst cave stratum and a thick quicksand stratum are not cleared, clearing underground barriers, ensuring that a top pipe and a shield tunnel pass through various foundations without barriers, and solving the construction problem under the condition of complex special environments.
In the prior art, the inner wall of the water tank of the drilling machine can be scaled after long-term use, if the scaling is not timely cleaned, the water temperature of the engine can not be rapidly dispersed during working, so that the situation that the water in the water tank of the engine boils and is sprayed due to the fact that the temperature in the water tank of the engine is too high is extremely easy to occur under the condition of continuous construction of the drilling machine, and even the engine is stopped when the water tank is severe, so that the construction progress of the drilling machine is affected.
Therefore, the invention provides a construction device and a construction method of a full-casing full-rotary drilling machine in karst areas.
Disclosure of Invention
In order to make up the deficiency of the prior art, solve the inner wall of water tank of the rig and can appear scaling phenomenon after long-term use, this dirt can make the engine unable to spread rapidly in the water temperature of working if not clear up in time, this causes the rig to appear in the condition that the water tank of the engine is too high and cause the situation that the water boils and erupts in the water tank, can cause the engine to stop the trouble even in serious time, and then influence the problem of the progress of rig construction, the invention provides a karst area full sleeve pipe full-slewing drilling rig construction device and its construction method.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses a construction device of a full-sleeve full-rotary drilling machine in a karst area, which comprises a drilling machine body, wherein a water tank is fixedly arranged on the drilling machine body, a water storage cylinder is fixedly connected in an inner cavity of the water tank, a motor is fixedly arranged at the top end of the water storage cylinder, the motor is fixedly connected with a gear I through an output shaft, the gear I is meshed and connected with a gear II, the gear II is sleeved with a rotating rod, the bottom end of the rotating rod penetrates through the top of the water storage cylinder, the rotating rod is rotationally connected with the water storage cylinder, two mounting pipelines are symmetrically arranged at two sides of the inner cavity of the water storage cylinder, the top end of each mounting pipeline is fixedly connected with the bottom end of the rotating rod, openings are formed in the side wall and the bottom of each mounting pipeline, flexible mounting plates are arranged in the inner cavity of each mounting pipeline, a cleaning piece is fixedly arranged on each flexible mounting plate, the opening of each cleaning piece penetrates through the mounting pipeline and is attached to the inner wall of the water storage cylinder, a jacking component is uniformly arranged on the inner side wall of each mounting pipeline, and the jacking component is attached to the flexible mounting plate; before the rig body works or when the rig is constructed in succession, when engine water tank temperature is too high, drive gear one through the motor and rotate for with gear two drive dwang rotation of gear one meshing, and then make two installation pipeline in the water storage section of thick bamboo inner chamber drive clean the piece and rotate thereupon, realized cleaning the piece and clean the quick clean of dirt on the water storage section of thick bamboo inner wall, avoided the water storage section of thick bamboo after long-term use because the too thick problem that makes the water tank radiating effect decline of scale deposit that leads to of high temperature, guaranteed that the rig body can not lead to the phenomenon that the engine is shut down because of too much water temperature can't be dispersed because of scale deposit in the water tank after continuous construction.
Preferably, the propping assembly comprises an annular part, a mounting sleeve and a propping part, wherein a plurality of annular parts are uniformly and fixedly connected to the inner side wall of the mounting pipeline, a mounting sleeve is arranged in the inner cavity of the annular part, the end part of the mounting sleeve is provided with the propping part, the propping part is attached to the flexible mounting plate, two permanent magnets I are symmetrically and fixedly connected to the mounting sleeve, two sliding grooves are symmetrically formed in the inner cavity of the annular part, the permanent magnets I are in sliding connection with the sliding grooves, an electromagnet is fixedly connected to the outer wall of the mounting pipeline on one side away from the inner wall of the water storage barrel, and the electromagnet corresponds to the permanent magnets I; when the dwang drives the installation pipeline rotation, the electromagnet is energized, produces electromagnetic repulsion between electromagnet and the permanent magnet for a permanent magnet is driven the installation sleeve and is slided in the annular piece, and then makes the top prop piece top move flexible mounting panel, has realized the closely laminating of cleaning piece and water storage section of thick bamboo inner wall, has guaranteed that the cleaning piece can be all the time to the scale deposit on the water storage section of thick bamboo inner wall when rotatory and clean the elimination, avoids the influence that the scale deposit produced to the temperature.
Preferably, a limiting rod is slidably connected in the inner cavity of the mounting sleeve, one end of the limiting rod penetrates through the mounting sleeve and is fixedly connected with the top support piece, a first spring is sleeved on the limiting rod, and two ends of the first spring are fixedly connected with the inner wall of the mounting sleeve and the limiting rod respectively; when the permanent magnet I is tightly attached to the inner wall of the sliding groove under the condition that the electromagnet is electrified, and the cleaning piece is worn and torn seriously after long-term use, the limiting rod and the propping piece can be driven to slide outwards under the elastic action of the spring I, so that the flexible mounting plate drives the cleaning piece to attach to the inner wall of the water storage barrel again, and the problem that the cleaning effect is reduced due to the fact that the cleaning piece cannot attach to the inner wall of the water storage barrel after being worn seriously is avoided.
Preferably, two scale collecting pipes are symmetrically arranged on two sides of the inner cavity of the water storage cylinder, the scale collecting pipes are positioned on the inner side of the installation pipeline, two waste discharging pipes are symmetrically and fixedly connected on two sides of the bottom of the inner cavity of the water storage cylinder, the top end of each waste discharging pipe is fixedly connected with the bottom end of each scale collecting pipe, the bottom end of each waste discharging pipe penetrates through the water storage cylinder to extend to the outer side of the water tank, a valve is arranged on each waste discharging pipe, through grooves are uniformly formed in the outer wall of one side of each scale collecting pipe, and water filtering holes are uniformly formed in the outer wall of the other side of each scale collecting pipe; when the rotating rod drives the installation pipeline to rotate, because the water in the water storage barrel is in a rotating state, dirt cleaned by the cleaning piece can enter the dirt collecting pipe from the through groove on the dirt collecting pipe under the wrapping of the water, the density of the dirt is larger than that of the water, so the dirt entering the dirt collecting pipe can sink, the water is discharged from the water filtering hole on the other side of the dirt collecting pipe, the dirt is cleaned, the dirt is prevented from being scattered in the water storage barrel after being cleaned, and the dirt is attached to the inner wall of the water storage barrel again, so that the heat dissipation effect is affected.
Preferably, two sliding rails are symmetrically arranged on the upper side and the lower side of the through groove, the sliding rails are fixed on the outer wall of the scale collecting pipe, a spring II is fixedly connected to the inner wall of the sliding rail, the other end of the spring II is fixedly connected with a sliding block, the sliding block is in sliding connection with the sliding rail, the sliding block is fixedly connected with a baffle, the baffle is attached to the through groove, a permanent magnet II is fixedly connected to the outer wall of the baffle, which is close to one side of the electromagnet, and corresponds to the electromagnet; when the electromagnet is electrified, electromagnetic repulsion force is generated between the electromagnet and the second permanent magnet, so that the second permanent magnet drives the baffle to slide to release the blocking of the through groove, dirt can enter the dirt collecting pipe under the wrapping of water, when the rotating rod stops rotating, the electromagnet is powered off, the second permanent magnet drives the baffle to restore to the original position under the action of the elastic force of the second spring, the through groove is blocked again, and further the dirt is prevented from floating out of the dirt collecting pipe and adhering to the inner wall again after the rotation is stopped.
Preferably, a water cooling tank is arranged below the water storage cylinder, the water cooling tank is fixed at the bottom of an inner cavity of the water tank, a water pump is fixedly arranged at the top of the water cooling tank, a first water inlet pipe is fixedly connected to the water pump, the other end of the first water inlet pipe extends into the inner cavity of the water storage cylinder to be fixedly connected with the top of the array pipe, the bottom of the array pipe is fixedly connected with a drain pipe, the other end of the drain pipe penetrates through the bottom end of the water storage cylinder to extend into the inner cavity of the water cooling tank to be fixedly connected with the water cooling pipe, the other end of the water cooling pipe is fixedly connected with a first connecting pipe, the other end of the connecting pipe penetrates through the water cooling tank to be fixedly connected with the water pump, the water cooling pipe is in S-shaped distribution, the array pipe consists of an upper annular pipe, a lower annular pipe and a plurality of vertical pipes, and the vertical pipes are uniformly distributed between the two annular pipes; when the drilling machine body starts to work, water flowing in the array pipe can quickly take away the temperature in the water storage barrel, water in the array pipe enters the water cooling pipe through the water pump, and then enters the array pipe again and again through the first connecting pipe and the water inlet pipe, so that water cooling circulation is realized, the water temperature in the water storage barrel can be quickly reduced by the array pipe, and the water cooling box is used as a reserved water source and is lower in temperature than the water storage barrel, and the temperature of water discharged into the water cooling pipe from the array pipe can be reduced by the water in the water cooling box, so that the effect of water cooling circulation is achieved.
Preferably, a second connecting pipe is fixedly connected to the bottom of the side wall of the water cooling tank, the other end of the second connecting pipe is fixedly connected with a first connecting pipe through a three-way valve, a second water inlet pipe is fixedly connected to the bottom of the water storage cylinder, the other end of the second water inlet pipe is fixedly connected with the first water inlet pipe through a three-way valve, and through holes are uniformly formed in the waste discharge pipe in the inner cavity of the water storage cylinder; when the water source shortage in the water storage barrel is caused by continuous operation of the drilling machine body, the water cooling circulation is temporarily closed by controlling the two three-way valves, meanwhile, the water pump rapidly conveys the reserved water source in the water cooling tank to the water storage barrel, rapid water source supplement is realized, and normal operation of the water tank is ensured.
Preferably, the outer wall of the water storage cylinder is uniformly provided with radiating fins, the rotating rod is provided with radiating fan blades, the water tank is hinged with a tank cover, and radiating holes are uniformly formed in the tank cover; heat in the water storage cylinder can be guided out and dissipated through the radiating fins on the outer wall of the water storage cylinder, the radiating fan blades are driven to rotate through the rotation of the rotating rod, heat guided out by the radiating fins can be rapidly discharged, the radiating effect of the water tank is improved, the problem that the engine is stopped due to overhigh water temperature in the water tank is avoided, and the heat in the water tank can be rapidly discharged through the radiating holes formed in the tank cover.
Preferably, two guide pieces are symmetrically and fixedly connected to two sides of the inner cavity of the installation pipeline, the flexible installation plate is attached to the guide pieces, the guide pieces are hemispherical, a threaded plug is connected to the inner wall of the top end of the rotating rod in a threaded manner, and the bottom end of the threaded plug is attached to the top of the flexible installation plate; the screw thread plug and the rotating rod are matched with each other conveniently to regularly replace the cleaning piece, the guide piece is arranged on the installation pipeline, the flexible installation plate can slide into the installation pipeline along the guide piece when the cleaning piece is installed, the guiding and positioning effects are achieved, and the hemispherical design of the jacking piece is convenient for the flexible installation plate to slide in the installation pipeline.
The construction method of the karst area full-casing full-rotary drilling machine adopts the construction device of the karst area full-casing full-rotary drilling machine, and the construction method comprises the following steps:
s1: leveling a site, marking the pile position center, positioning and aligning a drilling machine body, clamping and fixing a sleeve by a clamping mechanism on the drilling machine body, driving the sleeve to drill pile position soil by using the drilling machine body, taking out soil in the drill hole, implanting reinforcing steel bars when the drill hole reaches a preset depth, pouring concrete, and finally taking out the sleeve;
s2: when the drilling machine body is continuously used, the motor can drive the rotating rod to rotate, so that the installation channel drives the cleaning piece to clean dirt on the inner wall of the water storage cylinder, and the heat radiating fan blades rotate along with the cleaning piece to rapidly discharge heat led out by the heat radiating fins;
s3: when the temperature in the water tank is too high, water in the array tube enters the water cooling tube through the water pump and then enters the array tube again and again through the first connecting tube and the water inlet tube, so that water cooling circulation is realized, and the water tank is cooled rapidly.
The beneficial effects of the invention are as follows:
1. according to the construction device and the construction method for the full-sleeve full-rotary drilling machine in the karst area, the motor drives the gear I to rotate, so that the gear II meshed with the gear I drives the rotating rod to rotate, and further, two mounting pipelines in the inner cavity of the water storage cylinder drive the cleaning piece to rotate along with the cleaning piece, so that the cleaning piece can clean dirt on the inner wall of the water storage cylinder rapidly, the problem that the heat dissipation effect of the water tank is reduced due to too thick scale of the water storage cylinder caused by high temperature after long-term use is avoided, and the phenomenon that the engine is stopped due to incapability of scattering of water temperature due to too much scale in the water tank after continuous construction of the drilling machine body is avoided.
2. According to the construction device and the construction method of the full-sleeve full-rotary drilling machine in the karst area, the electromagnet is electrified, and electromagnetic repulsion force is generated between the electromagnet and the permanent magnet I, so that the permanent magnet drives the mounting sleeve to slide in the annular piece, and the top support piece pushes the flexible mounting plate, so that the cleaning piece is tightly attached to the inner wall of the water storage barrel, the cleaning piece is enabled to be capable of cleaning and eliminating scaling on the inner wall of the water storage barrel all the time while rotating, and the influence of scaling on water temperature is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the water tank of the present invention;
fig. 3 is a schematic view of the internal structure of the water tank of the present invention;
FIG. 4 is a first cross-sectional view of the cartridge of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is an enlarged view of a portion of FIG. 4 at B;
FIG. 7 is a second cross-sectional view of the cartridge of the present invention;
FIG. 8 is a cross-sectional view of the baffle plate of the present invention when the electromagnet is energized;
FIG. 9 is a third cross-sectional view of the cartridge of the present invention;
FIG. 10 is a cross-sectional view of the water cooling tank of the present invention;
FIG. 11 is a flow chart of a method of the present invention;
in the figure: 1. a drill body; 2. a water tank; 3. a case cover; 4. a water storage cylinder; 5. a motor; 6. a first gear; 7. a second gear; 8. a rotating lever; 9. installing a pipeline; 10. a guide member; 11. a flexible mounting plate; 12. a cleaning member; 13. an electromagnet; 14. a ring member; 15. a mounting sleeve; 16. a limit rod; 17. a first spring; 18. a top support; 19. a permanent magnet I; 20. a waste discharge pipe; 21. a scale collecting pipe; 22. a baffle; 23. a slide rail; 24. a permanent magnet II; 25. a slide block; 26. a second spring; 27. a water cooling tank; 28. a water pump; 29. a water-cooled tube; 30. an array tube; 31. a drain pipe; 32. a first connecting pipe; 33. a first water inlet pipe; 34. a second connecting pipe; 35. a water inlet pipe II; 36. radiating fan blades; 37. a heat radiation fin; 38. a threaded plug.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-10, the construction device for the full-sleeve full-rotation drilling machine in the karst area according to the embodiment of the invention comprises a drilling machine body 1, a water tank 2 is fixedly installed on the drilling machine body 1, a water storage cylinder 4 is fixedly connected in an inner cavity of the water tank 2, a motor 5 is fixedly installed at the top end of the water storage cylinder 4, the motor 5 is fixedly connected with a gear I6 through an output shaft, the gear I6 is meshed with a gear II 7, the gear II 7 is sleeved with a rotating rod 8, the bottom end of the rotating rod 8 penetrates through the top of the water storage cylinder 4, the rotating rod 8 is rotationally connected with the water storage cylinder 4, two mounting pipelines 9 are symmetrically arranged on two sides of the inner cavity of the water storage cylinder 4, the top end of the mounting pipeline 9 is fixedly connected with the bottom end of the rotating rod 8, openings are formed in the side walls and the bottom of the mounting pipeline 9, a flexible mounting plate 11 is arranged in the inner cavity of the mounting pipeline 9, a cleaning piece 12 is fixedly arranged on the flexible mounting plate 11, the cleaning piece 12 penetrates through the opening on the mounting pipeline 9 and is attached to the inner wall of the water storage cylinder 4, the inner wall of the mounting pipeline 9 is evenly propped up against a supporting component and is attached to the flexible supporting component 11; during operation, before the rig body 1 works or when the rig is constructed in succession, when engine water tank 2 temperature is too high, drive gear one 6 through motor 5 for with gear one 6 meshing gear two 7 drive dwang 8 rotatory, and then make two installation pipeline 9 in the water storage section of thick bamboo 4 inner chamber drive the cleaning piece 12 rotate thereupon, realized cleaning piece 12 and cleaned the quick of dirt on the water storage section of thick bamboo 4 inner wall, avoided water storage section of thick bamboo 4 after long-term use because the too thick problem that makes water tank 2 radiating effect decline of scale deposit that causes because of high temperature leads to, guaranteed that rig body 1 can not lead to the phenomenon that the engine is shut down because of too much water temperature can't scatter in the water tank 2 after continuous construction, can make cleaning piece 12 and the inseparable laminating of water storage section of thick bamboo 4 inner wall through the shoring subassembly, guaranteed the cleaning piece 12 and the cleaning effect of water storage section of thick bamboo 4 inner wall, cleaning piece 12 itself comprises rubber material component and scouring piece, can clean the inner wall of water storage section of thick bamboo 4 fast through the scouring piece of scouring piece.
The top support assembly comprises an annular piece 14, a mounting sleeve 15 and a top support piece 18, wherein a plurality of annular pieces 14 are uniformly and fixedly connected to the inner side wall of a mounting pipeline 9, the mounting sleeve 15 is arranged in the inner cavity of the annular piece 14, the top support piece 18 is arranged at the end part of the mounting sleeve 15, the top support piece 18 is attached to a flexible mounting plate 11, two permanent magnets I19 are symmetrically and fixedly connected to the mounting sleeve 15, two sliding grooves are symmetrically formed in the inner cavity of the annular piece 14, the permanent magnets I19 are in sliding connection with the sliding grooves, an electromagnet 13 is fixedly connected to the outer wall of the mounting pipeline 9 on the side away from the inner wall of a water storage cylinder 4, and the electromagnet 13 corresponds to the permanent magnets I19; when the working, when the dwang 8 drives the installation pipeline 9 to rotate, the electromagnet 13 is electrified, and electromagnetic repulsion force is generated between the electromagnet 13 and the permanent magnet 19, so that the permanent magnet 19 drives the installation sleeve 15 to slide in the annular piece 14, and then the supporting piece 18 pushes the flexible installation plate 11, the close fitting of the cleaning piece 12 and the inner wall of the water storage barrel 4 is realized, the cleaning piece 12 can always clean and eliminate the scale on the inner wall of the water storage barrel 4 while rotating, and the influence of the scale on the water temperature is avoided.
A limiting rod 16 is slidably connected in the inner cavity of the mounting sleeve 15, one end of the limiting rod 16 penetrates through the mounting sleeve 15 and is fixedly connected with a top support 18, a first spring 17 is sleeved on the limiting rod 16, and two ends of the first spring 17 are fixedly connected with the inner wall of the mounting sleeve 15 and the limiting rod 16 respectively; when the cleaning device works, when the first permanent magnet 19 is tightly attached to the inner wall of the chute under the condition that the electromagnet 13 is electrified, and after the cleaning piece 12 is worn seriously after long-term use, the limiting rod 16 and the top support piece 18 can be driven to slide outwards under the elastic action of the first spring 17, so that the flexible mounting plate 11 drives the cleaning piece 12 to attach to the inner wall of the water storage barrel 4 again, and the problem that the cleaning effect is reduced due to the fact that the cleaning piece 12 cannot attach to the inner wall of the water storage barrel 4 after the cleaning piece is worn seriously is avoided.
Two scale collecting pipes 21 are symmetrically arranged on two sides of the inner cavity of the water storage cylinder 4, the scale collecting pipes 21 are positioned on the inner side of the installation pipeline 9, two waste discharging pipes 20 are symmetrically and fixedly connected on two sides of the bottom of the inner cavity of the water storage cylinder 4, the top ends of the waste discharging pipes 20 are fixedly connected with the bottom ends of the scale collecting pipes 21, the bottom ends of the waste discharging pipes 20 penetrate through the water storage cylinder 4 and extend to the outer side of the water tank 2, a valve is arranged on the waste discharging pipes 20, through grooves are uniformly formed in the outer wall of one side of the scale collecting pipes 21, and water filtering holes are uniformly formed in the outer wall of the other side of the scale collecting pipes 21; when the water storage device works, when the rotating rod 8 drives the installation pipeline 9 to rotate, because the water in the water storage barrel 4 is in a rotating state, dirt cleaned by the cleaning piece 12 can enter the dirt collection pipe 21 from the through groove on the dirt collection pipe 21 under the wrapping and clamping of the water, the density of the dirt is higher than that of the water, so the dirt entering the dirt collection pipe 21 can sink, the water is discharged from the water filtering hole on the other side of the dirt collection pipe 21, the dirt cleaning is collected, the dirt is prevented from being scattered in the water storage barrel 4 after being cleaned, and the dirt is attached to the inner wall of the water storage barrel 4 again, so that the heat dissipation effect is affected.
Two slide rails 23 are symmetrically arranged on the upper side and the lower side of the through groove, the slide rails 23 are fixed on the outer wall of the scale collecting pipe 21, a second spring 26 is fixedly connected to the inner wall of the slide rail 23, the other end of the second spring 26 is fixedly connected with a slide block 25, the slide block 25 is in sliding connection with the slide rails 23, the slide block 25 is fixedly connected with a baffle 22, the baffle 22 is attached to the through groove, a second permanent magnet 24 is fixedly connected to the outer wall of the baffle 22, which is close to one side of the electromagnet 13, and the second permanent magnet 24 corresponds to the electromagnet 13; when the electromagnet 13 is electrified, electromagnetic repulsion force is generated between the electromagnet 13 and the second permanent magnet 24, so that the second permanent magnet 24 drives the baffle 22 to slide to release the blocking of the through groove, dirt can enter the dirt collecting tube 21 under the wrapping of water, when the rotating rod 8 stops rotating, the electromagnet 13 is powered off, the second permanent magnet 24 drives the baffle 22 to restore to the original position under the elastic force of the second spring 26, the through groove is blocked again, and further, the dirt is prevented from drifting out of the dirt collecting tube 21 and adhering to the inner wall again after the rotation is stopped.
The water cooling tank 27 is arranged below the water storage barrel 4, the water cooling tank 27 is fixed at the bottom of the inner cavity of the water tank 2, the water pump 28 is fixedly arranged at the top of the water cooling tank 27, the water pump 28 is fixedly connected with the first water inlet pipe 33, the other end of the first water inlet pipe 33 extends into the inner cavity of the water storage barrel 4 to be fixedly connected with the top of the array pipe 30, the bottom of the array pipe 30 is fixedly connected with the drain pipe 31, the other end of the drain pipe 31 extends into the inner cavity of the water cooling tank 27 to be fixedly connected with the water cooling pipe 29 through the bottom end of the water storage barrel 4, the other end of the water cooling pipe 29 is fixedly connected with the first connecting pipe 32, the other end of the first connecting pipe 32 extends through the water cooling tank 27 to be fixedly connected with the water pump 28, the water cooling pipe 29 is in an S-shaped distribution, the array pipe 30 consists of an upper annular pipe and a lower annular pipe and a plurality of vertical pipes, and the vertical pipes are uniformly distributed between the two annular pipes; during operation, when the drilling machine body 1 starts to work, water flowing in the array pipe 30 can quickly take away the temperature in the water storage barrel 4, water in the array pipe 30 enters the water cooling pipe 29 through the water pump 28, and then enters the array pipe 30 again through the first connecting pipe 32 and the first water inlet pipe 33, so that water cooling circulation is realized, the array pipe 30 can quickly reduce the water temperature in the water storage barrel 4, and the water cooling box 27 is used as a water storage source to be lower than the temperature in the water storage barrel 4, so that the temperature of water discharged from the array pipe 30 into the water cooling pipe 29 can be reduced through the water in the water cooling box 27, and the effect of water cooling circulation is achieved.
A second connecting pipe 34 is fixedly connected to the bottom of the side wall of the water cooling tank 27, the other end of the second connecting pipe 34 is fixedly connected with a first connecting pipe 32 through a three-way valve, a second water inlet pipe 35 is fixedly connected to the bottom of the water storage cylinder 4, the other end of the second water inlet pipe 35 is fixedly connected with the first water inlet pipe 33 through a three-way valve, and through holes are uniformly formed in the waste discharge pipe 20 in the inner cavity of the water storage cylinder 4; when the drilling machine body 1 works continuously to cause water source shortage in the water storage cylinder 4, the water cooling circulation is temporarily closed by controlling the two three-way valves, meanwhile, the water pump 28 rapidly conveys the reserved water source in the water cooling tank 27 to the water storage cylinder 4, rapid water source supplement is realized, and normal work of the water tank 2 is ensured.
Radiating fins 37 are uniformly arranged on the outer wall of the water storage barrel 4, radiating fan blades 36 are arranged on the rotating rod 8, a box cover 3 is hinged on the water tank 2, and radiating holes are uniformly formed in the box cover 3; during operation, heat in the water storage cylinder 4 can be conducted out and dissipated through the radiating fins 37 on the outer wall of the water storage cylinder 4, the radiating fan blades 36 are driven to rotate through the rotation of the rotating rod 8, heat conducted out by the radiating fins 37 can be rapidly discharged, the radiating effect of the water tank 2 is improved, the problem that the engine is stopped due to overhigh water temperature in the water tank 2 is avoided, and the heat in the water tank 2 can be rapidly discharged through the radiating holes formed in the tank cover 3.
Two guide pieces 10 are symmetrically and fixedly connected to two sides of the inner cavity of the installation pipeline 9, the flexible installation plate 11 is attached to the guide pieces 10, the guide pieces 10 are hemispherical, a threaded plug 38 is connected with the inner wall of the top end of the rotating rod 8 in a threaded manner, and the bottom end of the threaded plug 38 is attached to the top of the flexible installation plate 11; during operation, the cleaning member 12 is conveniently replaced regularly through threaded fit of the threaded plug 38 and the rotating rod 8, and the flexible mounting plate 11 can slide into the mounting pipeline 9 along the guide member 10 when the cleaning member 12 is mounted through the guide member 10 arranged on the mounting pipeline 9, so that the guiding and positioning effects are achieved, and the flexible mounting plate 11 can slide in the mounting pipeline 9 conveniently through the hemispherical design of the jacking member 18.
As shown in fig. 11, a construction method of a karst area full-casing full-rotary drilling machine, which adopts the construction device of the karst area full-casing full-rotary drilling machine, comprises the following steps:
s1: leveling a site, marking the pile position center, positioning and aligning the drilling machine body 1, clamping and fixing the sleeve by a clamping mechanism on the drilling machine body 1, driving the sleeve by the drilling machine body 1 to drill pile position soil, taking out the soil in the drill hole, implanting reinforcing steel bars when the drill hole reaches a preset depth, pouring concrete, and finally taking out the sleeve;
s2: when the drilling machine body 1 is continuously used, the motor 5 can drive the rotating rod 8 to rotate, so that the installation channel drives the cleaning piece 12 to clean dirt on the inner wall of the water storage barrel 4, and the heat radiating fins 37 can be rapidly discharged due to the rotation of the heat radiating fan blades 36;
s3: when the temperature in the water tank 2 is too high, water in the array pipe 30 enters the water cooling pipe 29 through the water pump 28, and then enters the array pipe 30 again through the first connecting pipe 32 and the first water inlet pipe 33, so that water cooling circulation is realized, and the water tank 2 is cooled rapidly.
According to the working principle, before the drilling machine body 1 works or after the continuous construction of the drilling machine, when the temperature of the engine water tank 2 is too high, the motor 5 drives the gear I6 to rotate, so that the gear II 7 meshed with the gear I6 drives the rotating rod 8 to rotate, and further, two mounting pipelines 9 in the inner cavity of the water storage cylinder 4 drive the cleaning piece 12 to rotate along with the cleaning piece, the quick cleaning of dirt on the inner wall of the water storage cylinder 4 by the cleaning piece 12 is realized, the problem that the heat dissipation effect of the water tank 2 is reduced due to too thick dirt caused by high temperature after the long-term use of the water storage cylinder 4 is avoided, the phenomenon that the engine is stopped due to incapability of scattering water temperature caused by too much dirt in the water tank 2 after the continuous construction of the drilling machine body 1 is avoided, when the rotating rod 8 drives the mounting pipelines 9 to rotate, the electromagnet 13 is electrified, electromagnetic repulsion force is generated between the electromagnet 13 and the permanent magnet I19, the permanent magnet 19 drives the mounting sleeve 15 to slide in the annular piece 14, and then the propping piece 18 is propped against the flexible mounting plate 11, so that the close fitting of the cleaning piece 12 and the inner wall of the water storage barrel 4 is realized, the cleaning piece 12 can always clean and eliminate the scale on the inner wall of the water storage barrel 4 while rotating, the influence of the scale on the water temperature is avoided, when the permanent magnet 19 is tightly fitted with the inner wall of the chute under the condition that the electromagnet 13 is electrified, and after the cleaning piece 12 is severely worn after long-term use, the limiting rod 16 and the propping piece 18 can be driven to slide outwards under the elastic force of the spring 17, the flexible mounting plate 11 drives the cleaning piece 12 to be fitted with the inner wall of the water storage barrel 4 again, the problem that the cleaning effect is reduced due to the fact that the cleaning piece 12 cannot be fitted with the inner wall of the water storage barrel 4 after serious wear is avoided, when the rotating rod 8 drives the mounting pipe 9 to rotate, because the water in the water storage cylinder 4 is in a rotating state, dirt cleaned by the cleaning piece 12 can enter the dirt collecting pipe 21 from the through groove on the dirt collecting pipe 21 under the wrapping of the water, the density of the dirt is higher than that of the water, the dirt entering the dirt collecting pipe 21 can sink, the water is discharged from the water filtering hole on the other side of the dirt collecting pipe 21, the cleaned dirt is collected, the dirt is prevented from being scattered in the water storage cylinder 4 after being cleaned and is adhered to the inner wall of the water storage cylinder 4 again, the heat dissipation effect is affected, when the electromagnet 13 is electrified, electromagnetic repulsion force is generated between the electromagnet 13 and the permanent magnet 24, the permanent magnet 24 drives the baffle 22 to slide to release the blocking of the through groove, the dirt can enter the dirt collecting pipe 21 under the wrapping of the water, when the rotating rod 8 stops rotating, the electromagnet 13 is powered off, the permanent magnet 24 drives the baffle 22 to restore to the original position under the elastic force of the spring 26, the through groove is plugged again, so that dirt can not float out of the dirt collecting pipe 21 and adhere to the inner wall again after stopping rotating, when the drilling machine body 1 starts to work, water flowing in the array pipe 30 can quickly take away the temperature in the water storage tube 4, water in the array pipe 30 enters the water cooling pipe 29 through the water pump 28 through the water drain pipe 31, and then enters the array pipe 30 again through the first connecting pipe 32 and the first water inlet pipe 33, water cooling circulation is realized, the array pipe 30 is ensured to quickly reduce the water temperature in the water storage tube 4, because the water cooling tank 27 is used as a storage water source temperature lower than the temperature in the water storage tube 4, the temperature of water discharged into the water cooling pipe 29 from the array pipe 30 can be reduced through the water in the water cooling tank 27, so that the effect of water cooling circulation is achieved, when the continuous work of the drilling machine body 1 leads to water source shortage in the water storage tube 4, the water cooling circulation is temporarily closed by controlling the two three-way valves, meanwhile, the water pump 28 rapidly conveys a reserved water source in the water cooling tank 27 to the water storage barrel 4, rapid water source supplement is realized, normal work of the water tank 2 is guaranteed, heat in the water storage barrel 4 can be led out and dissipated through the radiating fins 37 on the outer wall of the water storage barrel 4, the radiating fan blades 36 are driven to rotate through the rotation of the rotating rod 8, heat led out by the radiating fins 37 can be rapidly discharged, the radiating effect of the water tank 2 is improved, the cleaning and brushing piece 12 is conveniently replaced periodically through threaded fit of the threaded plug 38 and the rotating rod 8, the flexible mounting plate 11 can be slid into the mounting pipeline 9 along the guide piece 10 when the cleaning and brushing piece 12 is mounted, and the guiding and positioning functions are achieved.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a karst area full sleeve pipe full rotary drill construction equipment which characterized in that: including rig body (1), fixed mounting has water tank (2) on rig body (1), rigid coupling has water storage section of thick bamboo (4) in the inner chamber of water tank (2), the top fixed mounting of water storage section of thick bamboo (4) has motor (5), motor (5) are through output shaft and first (6) rigid coupling of gear, first (6) of gear and second (7) meshing are connected, second (7) of gear cup joints with dwang (8), the top of water storage section of thick bamboo (4) is run through to the bottom of dwang (8), and dwang (8) are connected with water storage section of thick bamboo (4) rotation, the inner chamber bilateral symmetry of water storage section of thick bamboo (4) is equipped with two installation pipeline (9), the top and the bottom rigid coupling of dwang (8) of installation pipeline (9), the lateral wall and the bottom of installation pipeline (9) all are equipped with the opening, be equipped with flexible mounting plate (11) in the inner chamber of installation pipeline (9), be fixed with on flexible mounting plate (11) and clean brush piece (12), install on the inner wall (9) and prop up the inner wall of a section of thick bamboo (4) and install the flexible assembly mutually.
2. The karst area full sleeve full rotary drill construction device according to claim 1, wherein: the top support assembly comprises an annular piece (14), a mounting sleeve (15) and a top support piece (18), wherein a plurality of annular pieces (14) are uniformly fixedly connected to the inner side wall of a mounting pipeline (9), the mounting sleeve (15) is arranged in the inner cavity of the annular piece (14), the top support piece (18) is arranged at the end part of the mounting sleeve (15), the top support piece (18) is attached to a flexible mounting plate (11), two permanent magnets I (19) are symmetrically fixedly connected to the mounting sleeve (15), two sliding grooves are symmetrically formed in the inner cavity of the annular piece (14), the permanent magnets I (19) are in sliding connection with the sliding grooves, an electromagnet (13) is fixedly connected to the outer wall of the mounting pipeline (9) on one side of the inner wall of a water storage cylinder (4), and the electromagnet (13) corresponds to the permanent magnets I (19).
3. The karst area full sleeve full rotary drill construction device according to claim 2, wherein: the inner cavity of the mounting sleeve (15) is slidably connected with a limiting rod (16), one end of the limiting rod (16) penetrates through the mounting sleeve (15) and is fixedly connected with the supporting piece (18), a first spring (17) is sleeved on the limiting rod (16), and two ends of the first spring (17) are fixedly connected with the inner wall of the mounting sleeve (15) and the limiting rod (16) respectively.
4. A karst area full casing full rotary drill construction device according to claim 3, wherein: the utility model discloses a water storage tube, including water storage tube (4), inner chamber bilateral symmetry of water storage tube (4) is equipped with two album dirt pipe (21), album dirt pipe (21) are located the inboard of installation pipeline (9), the inner chamber bottom bilateral symmetry rigid coupling of water storage tube (4) has two waste pipes (20), the top and the bottom rigid coupling of album dirt pipe (21) of waste pipes (20), the bottom of waste pipes (20) runs through the outside that water storage tube (4) extended to water tank (2), just install the valve on the waste pipes (20), logical groove has evenly been seted up on the outer wall of one side of album dirt pipe (21), the drainage hole has evenly been seted up on the outer wall of the opposite side of album dirt pipe (21).
5. The karst area full-casing full-rotary drilling machine construction device according to claim 4, wherein: the utility model discloses a scale collection pipe, including logical groove, slide rail (23) are equipped with to logical groove's upper and lower bilateral symmetry, slide rail (23) are fixed on the outer wall of album dirt pipe (21), slide rail (23) inner wall rigid coupling has spring two (26), the other end and slider (25) rigid coupling of spring two (26), slider (25) and slide rail (23) sliding connection, slider (25) and baffle (22) rigid coupling, baffle (22) laminate mutually with logical groove, be close to one side of electromagnet (13) rigid coupling has permanent magnet two (24) on baffle (22) outer wall, permanent magnet two (24) correspond with electromagnet (13).
6. The karst area full-casing full-rotary drilling machine construction device according to claim 5, wherein: the water storage tank is characterized in that a water cooling tank (27) is arranged below the water storage tank (4), the water cooling tank (27) is fixed at the bottom of an inner cavity of the water tank (2), a water pump (28) is fixedly arranged at the top of the water cooling tank (27), a water inlet pipe I (33) is fixedly connected to the water pump (28), the other end of the water inlet pipe I (33) extends into the inner cavity of the water storage tank (4) to be fixedly connected with the top of an array pipe (30), the bottom of the array pipe (30) is fixedly connected with a drain pipe (31), the other end of the drain pipe (31) penetrates through the bottom of the water storage tank (4) to be fixedly connected with a water cooling pipe (29), the other end of the water cooling pipe (29) is fixedly connected with a connecting pipe I (32), the other end of the connecting pipe I (32) penetrates through the water cooling tank (27) to be fixedly connected with the water pump (28), the water cooling pipe I (29) is in S-shaped distribution, the array pipe (30) is composed of an upper annular pipe and a lower annular pipe and a plurality of vertical pipes, and the vertical pipes are uniformly distributed between the two annular pipes.
7. The karst area full-casing full-rotary drilling machine construction device according to claim 6, wherein: the side wall bottom rigid coupling of water-cooling case (27) has connecting pipe two (34), the other end of connecting pipe two (34) is through three-way valve and connecting pipe one (32) rigid coupling, the bottom rigid coupling of water storage section of thick bamboo (4) has inlet tube two (35), the other end of inlet tube two (35) is through three-way valve and inlet tube one (33) rigid coupling, is located in the inner chamber of water storage section of thick bamboo (4) waste pipe (20) are last to evenly to have offered the through-hole.
8. The karst area full sleeve full rotary drill construction device according to claim 7, wherein: radiating fins (37) are uniformly arranged on the outer wall of the water storage barrel (4), radiating fan blades (36) are arranged on the rotating rod (8), a box cover (3) is hinged to the water tank (2), and radiating holes are uniformly formed in the box cover (3).
9. The karst area full sleeve full rotary drill construction device according to claim 8, wherein: two guide pieces (10) are symmetrically fixedly connected to two sides of the inner cavity of the installation pipeline (9), the flexible installation plate (11) is attached to the guide pieces (10), the guide pieces (10) are hemispherical, a threaded plug (38) is connected to the inner wall of the top end of the rotating rod (8) in a threaded mode, and the bottom end of the threaded plug (38) is attached to the top of the flexible installation plate (11).
10. A construction method of a full-casing full-rotation drilling machine in a karst area is characterized by comprising the following steps of: the construction method adopts the construction device of the full sleeve full rotary drilling machine in the karst area, which comprises the following steps:
s1: leveling a site, marking the pile position center, positioning and aligning a drilling machine body (1), clamping and fixing a sleeve by a clamping mechanism on the drilling machine body (1), driving the sleeve to drill pile position soil by using the drilling machine body (1), taking out soil in the drill hole, implanting reinforcing steel bars when the drill hole reaches a preset depth, pouring concrete, and finally taking out the sleeve;
s2: when the drilling machine body (1) is continuously used, the motor (5) can drive the rotating rod (8) to rotate, so that the installation channel drives the cleaning piece (12) to clean dirt on the inner wall of the water storage barrel (4), and the heat radiating fan blades (36) rotate along with the cleaning piece to quickly discharge heat led out by the heat radiating fins (37);
s3: when the temperature in the water tank (2) is too high, water in the array tube (30) enters the water cooling tube (29) through the water pump (28) through the water discharge tube (31), and then enters the array tube (30) again through the first connecting tube (32) and the first water inlet tube (33), so that water cooling circulation is realized, and the water tank (2) is cooled rapidly.
CN202310520940.2A 2023-05-10 2023-05-10 Construction device and construction method for full-casing full-rotary drilling machine in karst area Active CN116220541B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9920970D0 (en) * 1999-09-06 1999-11-10 Astec Dev Ltd Casing/pipeline cleaning tool
AR044460A1 (en) * 2004-05-28 2005-09-14 Carro Gustavo Ignacio CUSHIONED AND REINFORCED RECOVERY PLUG FOR COUPLED WELLS
CN101220737A (en) * 2008-01-23 2008-07-16 毛国武 Sand filtering tube device of vibrating net barrel
CN101387191B (en) * 2008-10-17 2011-11-09 大庆石油管理局 Immobile string cleaner for vertical pipeline and method
CN109138874B (en) * 2018-10-08 2021-08-31 大庆荣氏采油技术开发有限公司 Method for cleaning scale of water injection well
CN110847181A (en) * 2019-11-15 2020-02-28 广东地山基础工程有限公司 Rotary spraying reinforcement spray head, reinforcement device while drilling comprising same and construction method

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