CN220769356U - Drilling machine erecting device - Google Patents

Drilling machine erecting device Download PDF

Info

Publication number
CN220769356U
CN220769356U CN202322683711.0U CN202322683711U CN220769356U CN 220769356 U CN220769356 U CN 220769356U CN 202322683711 U CN202322683711 U CN 202322683711U CN 220769356 U CN220769356 U CN 220769356U
Authority
CN
China
Prior art keywords
bottom plate
drilling machine
fixed
movable
fixing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322683711.0U
Other languages
Chinese (zh)
Inventor
王浩
祁正贤
种万象
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjiang Corps Of China Building Materials Industrial Geological Exploration Center
Original Assignee
Xinjiang Corps Of China Building Materials Industrial Geological Exploration Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinjiang Corps Of China Building Materials Industrial Geological Exploration Center filed Critical Xinjiang Corps Of China Building Materials Industrial Geological Exploration Center
Priority to CN202322683711.0U priority Critical patent/CN220769356U/en
Application granted granted Critical
Publication of CN220769356U publication Critical patent/CN220769356U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model discloses a drilling machine erection device, which relates to the technical field of drilling machine erection and comprises a drilling machine fixing component, wherein a bottom plate reinforcing component is arranged at the bottom of the drilling machine fixing component, the drilling machine fixing component is used for installing a drilling machine at the top of the bottom plate reinforcing component, the bottom plate reinforcing component is used for fixing the drilling machine at a designated position of a mining area, the bottom plate reinforcing component comprises a movable bottom plate arranged at the bottom of the drilling machine fixing component, and a fixed bottom plate is arranged at the bottom of the movable bottom plate. According to the utility model, the four spiral anchor rods are respectively driven to rotate by the two positive and negative motors, and the movable bottom plate is driven to move downwards by the contraction of the hydraulic cylinder, so that the spiral anchor rods in the rotation process can be inserted under the ground, the movable bottom plate can be tightly fixed on the ground by the spiral anchor rods, the drilling machine fixed on the top of the movable bottom plate can be ensured to stably operate, and the stability of the drilling machine in working is enhanced.

Description

Drilling machine erecting device
Technical Field
The utility model relates to the technical field of drilling machine erection, in particular to a drilling machine erection device.
Background
The drilling machine is a mechanical device for drilling holes on the ground surface, and can be large outdoor drilling equipment for water wells, oil wells and natural gas wells or small single movable equipment, which is called an auger. In mineral deposit census exploration, especially in mineral deposit census exploration of nonferrous metals, rare metals, etc., gallery drilling is used for additional searching of mineral deposits, and encrypted exploration is used for geological structure circumscribing of mineral bodies, sampling and verification, etc. In mine excavation, tunnel drilling techniques are often used to drill underground observation holes, ventilation holes, drainage holes, gas drainage holes, grouting holes, blasting holes, anchoring holes, pilot holes for excavating tunnels, and the like. Especially for some topography cutting intensive mining areas, geological environment is complex, and difficulties encountered in the drilling process are more, so that the drilling technology is more required to be utilized to reveal complete stratum information, and comprehensive information is provided for excavation of subsequent mineral products.
The drilling machine needs to be erected at a designated position before construction, and various erection devices for fixing the position of the drilling machine are used in the erection process, such as shown in prior art publication number CN 211950361U. However, in this technical scheme, the fixed bottom plate for supporting the drilling machine is supported on the ground only through four desk legs, because the vibration that the drilling machine produced at the during operation is great, in order to be able to strengthen the stability during drilling machine construction among the prior art moreover, can utilize rag bolt to fix the bottom plate on cement pile basis, it is enough to the fixed bottom plate in prior art CN211950361U to see, arouse the unstable during drilling machine construction easily, and then can influence the normal drilling construction of drilling machine. In addition, the prior art also easily limits the installation position of the drilling machine and easily increases the construction cost of the drilling machine by the action of pouring the cement pile foundation in advance.
Disclosure of Invention
According to the drilling machine erecting device, the four spiral anchor rods are driven to rotate by the aid of the two positive and negative motors respectively, the movable bottom plate is driven to move downwards by means of shrinkage of the hydraulic cylinders, so that the spiral anchor rods in the rotation process can be inserted below the ground, the movable bottom plate can be tightly fixed on the ground through the spiral anchor rods, the drilling machine fixed at the top of the movable bottom plate can be guaranteed to stably operate, and the stability of the drilling machine in working is enhanced.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the drilling machine erection device comprises a drilling machine fixing assembly, wherein a bottom plate reinforcing assembly is arranged at the bottom of the drilling machine fixing assembly, the drilling machine fixing assembly is used for installing a drilling machine at the top of the bottom plate reinforcing assembly, and the bottom plate reinforcing assembly is used for fixing the drilling machine at a designated position of a mining area;
the bottom plate reinforcing assembly comprises a movable bottom plate arranged at the bottom of the drilling machine fixing assembly, a fixed bottom plate is arranged at the bottom of the movable bottom plate, hydraulic cylinders are fixed at four corners of the top of the movable bottom plate, movable ends of the bottom of the hydraulic cylinders are fixed with the top of the fixed bottom plate, spiral anchor rods are respectively arranged on the inner sides of the four hydraulic cylinders, the spiral anchor rods are positioned at the bottom of the fixed bottom plate, first rotating shafts are fixed at the tops of the spiral anchor rods, one ends of the first rotating shafts, far away from the spiral anchor rods, penetrate through the bottom of the movable bottom plate and extend into the bottom plate, the top ends of the first rotating shafts are movably connected with the bottom wall of the movable bottom plate through bearings, worm wheels for driving the first rotating shafts are fixedly arranged at the top ends of each first rotating shaft, worm wheels are meshed with worms on one side, one second rotating shaft is fixedly arranged between the two worms on the same side, driving mechanisms for driving the two second rotating shafts are used for driving the spiral anchor rods to rotate through the second rotating shafts.
Preferably, the driving mechanism comprises two first bevel gears which are respectively arranged at the middle positions of the two second rotating shafts, the second bevel gears are meshed with one side of the first bevel gears, the second bevel gears are provided with positive and negative motors which drive the second bevel gears to rotate, the positive and negative motors are positioned at the top of the movable bottom plate, an output shaft at the bottom of each positive and negative motor extends into the movable bottom plate and is fixedly connected with the top of each second bevel gear and is used for driving the second bevel gears to rotate, and an output shaft at the bottom of each positive and negative motor is movably connected with the top wall of the movable bottom plate through bearings.
Preferably, the four corners of the bottom of the fixed bottom plate are respectively provided with a movable wheel.
Preferably, four limiting plates are fixed inside the movable bottom plate and are respectively arranged at the outer ends of two second rotating shafts, and the second rotating shafts penetrate through the limiting plates and are movably connected with the limiting plates through bearings.
Preferably, rectangular through holes are formed in the middle of the movable bottom plate and the middle of the fixed bottom plate, the two rectangular through holes are communicated, and a drilling machine penetrates through the rectangular through holes and drills into the stratum.
Preferably, the outer wall of the top end of the spiral anchor rod is fixedly provided with a circular plate, and the bottom of the circular plate is contacted with the ground after the spiral anchor rod is completely drilled into the ground.
Preferably, the drilling machine fixing component comprises two first fixing hoops and two second fixing hoops, one side, away from each other, of the two first fixing hoops and one side, away from each other, of the two second fixing hoops are all fixed with a plurality of telescopic rods, one end, away from each of the first fixing hoops or the second fixing hoops, of each telescopic rod is fixed with a mounting plate, vertical rods are inserted into two ends of the mounting plate, the bottom ends of the vertical rods penetrate through the movable bottom plate and are fixedly connected with the top of the fixed bottom plate, and the mounting plates and the vertical rods are fixed together through first bolts.
Preferably, the two first fixing hoops and the two second fixing hoops are moved in opposite directions, and the two first fixing hoops and the two second fixing hoops are fixed together by the second bolts.
Compared with the prior art, the utility model provides a drilling machine erection device, which has the following beneficial effects:
1. the four spiral anchor rods are respectively driven to rotate by utilizing the two positive and negative motors, and the movable bottom plate is driven to move downwards by utilizing the contraction of the hydraulic cylinder, so that the spiral anchor rods in the rotation process can be inserted under the ground, and the spiral blades of the spiral anchor rods can be embedded into strata with different depths when the spiral anchor rods rotate, so that the spiral anchor rods can be tightly fixed under the ground under the action of the strata with different depths, the movable bottom plate can be tightly fixed on the ground through the spiral anchor rods, the drilling machine fixed at the top of the movable bottom plate can be ensured to stably operate, and the stability of the drilling machine in working is enhanced;
and through the fixed mode of spiral stock that utilizes can reciprocate, also need not pour cement pile foundation in advance for the reinforcement yet, not only can simplify rig erection operation, can also reduce rig construction cost.
2. By fixing the drill to the top of the movable floor by means of the two first fixing hoops and the two second fixing hoops, and the moving directions of the first fixing hoops and the second fixing hoops are different, the drill can be fixed from different directions, and the tightness of the connection between the drill and the utility model is enhanced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a bottom view of the present utility model;
FIG. 4 is a schematic view of the utility model after the moving floor has been moved down;
fig. 5 is a cross-sectional view of the mobile floor of the present utility model.
In the figure:
1 a drilling machine fixing assembly, 11 a first fixing hoop, 12 a second fixing hoop, 13 a telescopic rod, 14 a mounting plate, 15 a vertical rod, 16 a first bolt and 17 a second bolt;
2 a bottom plate reinforcing component, 21 a movable bottom plate, 22 a fixed bottom plate, 23 a movable wheel, 24 a hydraulic cylinder, 25 a spiral anchor rod, 26 a circular plate, 27 a first rotating shaft, 28 a worm wheel, 29 a worm, 210 a second rotating shaft, 211 a first bevel gear, 212 a second bevel gear, 213 a positive and negative motor, 214 a limiting plate and 215 a rectangular through hole.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a drilling machine erection device, which comprises a drilling machine fixing assembly 1, wherein a bottom plate reinforcing assembly 2 is arranged at the bottom of the drilling machine fixing assembly 1, the drilling machine fixing assembly 1 is used for installing a drilling machine at the top of the bottom plate reinforcing assembly 2, and the bottom plate reinforcing assembly 2 is used for fixing the drilling machine at a designated position of a mining area;
as shown in fig. 2 and 4, the drill fixing assembly 1 includes two first fixing hoops 11 and two second fixing hoops 12, a plurality of telescopic rods 13 are fixed on a side, away from the two first fixing hoops 11, of the two second fixing hoops 12, a mounting plate 14 is fixed on one end, away from the first fixing hoops 11 or the second fixing hoops 12, of the plurality of telescopic rods 13, vertical rods 15 are inserted into two ends of the mounting plate 14, the mounting plate 14 and the vertical rods 15 are fixed together through first bolts 16, and the two first fixing hoops 11 and the two second fixing hoops 12 are fixed together through second bolts 17;
the first and second fixing hoops 11 and 12 can be fixed outside the drilling machine, that is, the drilling machine can be fixed at the top of the floor reinforcing assembly 2 by stretching and adjusting the lengths of the telescopic rods 13 at one side of the first and second fixing hoops 11 and 12, separating the two first and second fixing hoops 11 and 12, vertically placing the drilling machine between the two first and second fixing hoops 11 and 12, reversely moving the first and second fixing hoops 11 and 12, and tightening the second bolt 17.
In addition, in order to firmly fix the drilling machine at a designated position of a mining area, as shown in fig. 2-5, the bottom plate reinforcement assembly 2 comprises a movable bottom plate 21 installed at the bottom of the drilling machine fixing assembly 1, a fixed bottom plate 22 is arranged at the bottom of the movable bottom plate 21, moreover, the bottom end of the vertical rod 15 penetrates through the movable bottom plate 21 and is fixedly connected with the top of the fixed bottom plate 22, a rectangular through hole 215 is formed in the middle of the movable bottom plate 21 and the middle of the fixed bottom plate 22, the two rectangular through holes 215 are communicated, and the drilling machine fixed by the drilling machine fixing assembly 1 can drill into a stratum through the two communicated rectangular through holes 215;
moreover, the four corners of the bottom of the fixed bottom plate 22 are respectively provided with a movable wheel 23, and the positions of the drilling machine can be conveniently moved at will in a mining area through the arrangement of the movable wheels 23, so that the convenience of the drilling machine in the use process is improved.
Further, in order to fix the positions of the movable bottom plate 21 and the fixed bottom plate 22 on the ground, as shown in fig. 4 and 5, hydraulic cylinders 24 are fixed at four corners of the top of the movable bottom plate 21, the moving ends of the bottoms of the hydraulic cylinders 24 are fixed with the top of the fixed bottom plate 22, spiral anchor rods 25 are respectively arranged at the inner sides of the four hydraulic cylinders 24, the spiral anchor rods 25 are positioned at the bottom of the fixed bottom plate 22, first rotating shafts 27 are fixed at the tops of the spiral anchor rods 25, one ends of the first rotating shafts 27 far away from the spiral anchor rods 25 penetrate through the bottom of the movable bottom plate 21 and extend into the movable bottom plate 21, the top ends of the first rotating shafts 27 are movably connected with the bottom wall of the movable bottom plate 21 through bearings, worm gears 28 for driving the first rotating shafts 27 are fixed at the top ends of each first rotating shaft 27, worms 29 are meshed at one side of each worm gear 28, one second rotating shaft 210 is fixed between the two worms 29 positioned at the same side, and a driving mechanism for driving the two second rotating shafts 210 to rotate through the second rotating shafts 210;
four limiting plates 214 are fixed inside the movable bottom plate 21, the four limiting plates 214 are respectively arranged at the outer ends of the two second rotating shafts 210, and the second rotating shafts 210 penetrate through the limiting plates 214 and are movably connected with the limiting plates 214 through bearings so as to fix the positions of the second rotating shafts 210 inside the movable bottom plate 21;
after the drilling machine moves to a designated position, the driving mechanism and the hydraulic cylinder 24 are started simultaneously, the driving mechanism is utilized to drive the second rotating shaft 210 to rotate, the worm 29 at two ends is driven to rotate through the second rotating shaft 210 to drive the worm wheel 28 to rotate, so that the worm wheel 28 can drive the spiral anchor rod 25 to rotate through the first rotating shaft 27, at the moment, the moving end of the bottom of the hydraulic cylinder 24, which is contracted by the hydraulic cylinder, can drive the whole moving bottom plate 21 to move downwards along the outer wall of the vertical rod 15, and can drive the four spiral anchor rods 25 to move downwards through the moving bottom plate 21, the spiral anchor rods 25 are inserted into the ground, and in addition, the spiral blades at the outer ends of the spiral anchor rods 25 can be screwed into stratum with different depths in the rotating process, so that the spiral anchor rods 25 can be fixed through stratum with different depths, and finally, the effect of fixing the positions of the moving bottom plate 21 and the fixed bottom plate 22 through the spiral anchor rods 25 is achieved;
a circular plate 26 is fixed on the outer wall of the top end of the spiral anchor rod 25, the bottom of the circular plate 26 is contacted with the ground after the spiral anchor rod 25 is completely drilled into the ground, and when a worker observes that the bottom of the circular plate 26 is contacted with the ground, the hydraulic cylinder 24 and the driving mechanism can be stopped;
when the position of the drilling machine needs to be changed, the second rotating shaft 210 is driven to rotate reversely by the driving mechanism, so that the second rotating shaft 210 can drive the spiral anchor rod 25 to rotate reversely, meanwhile, the hydraulic cylinder 24 is started, and the moving end at the bottom of the hydraulic cylinder 24 extends out, so that the effect of driving the moving bottom plate 21 to move upwards is achieved, the spiral anchor rod 25 can be moved out of the stratum, the fixation among the moving bottom plate 21, the fixed bottom plate 22 and the stratum is relieved, and the position of the drilling machine is convenient to move.
The driving mechanism comprises two first bevel gears 211 which are respectively arranged at the middle positions of two second rotating shafts 210, one side of each first bevel gear 211 is meshed with a second bevel gear 212, the top of each second bevel gear 212 is provided with a positive and negative motor 213 for driving the corresponding second bevel gear 212 to rotate, the positive and negative motor 213 is positioned at the top of the movable bottom plate 21, an output shaft at the bottom of each positive and negative motor 213 extends into the movable bottom plate 21 and is fixedly connected with the top of the corresponding second bevel gear 212 and is used for driving the corresponding second bevel gear 212 to rotate, an output shaft at the bottom of each positive and negative motor 213 is movably connected with the top wall of the movable bottom plate 21 through a bearing, the positive and negative motor 213 can drive the corresponding second bevel gear 212 and the corresponding first bevel gear 211 to rotate together in the positive direction or the reverse direction, and finally the effect of driving the spiral anchor rod 25 to rotate in different directions is achieved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (8)

1. A drilling rig erection device comprising a drilling rig fixing assembly (1), characterized in that: the bottom of the drilling machine fixing assembly (1) is provided with a bottom plate reinforcing assembly (2), the drilling machine fixing assembly (1) is used for installing a drilling machine on the top of the bottom plate reinforcing assembly (2), and the bottom plate reinforcing assembly (2) is used for fixing the drilling machine at a designated position of a mining area;
the bottom plate reinforcing assembly (2) comprises a movable bottom plate (21) arranged at the bottom of the drilling machine fixing assembly (1), a fixed bottom plate (22) is arranged at the bottom of the movable bottom plate (21), hydraulic cylinders (24) are fixed at four corners of the top of the movable bottom plate (21), the movable ends of the bottoms of the hydraulic cylinders (24) are fixed with the top of the fixed bottom plate (22), spiral anchor rods (25) are respectively arranged at the inner sides of the four hydraulic cylinders (24), and the spiral anchor rods (25) are positioned at the bottom of the fixed bottom plate (22);
the top of the spiral anchor rod (25) is fixedly provided with a first rotating shaft (27), one end of the first rotating shaft (27), which is far away from the spiral anchor rod (25), penetrates through the bottom of the movable bottom plate (21) and extends into the movable bottom plate (21), the top end of the first rotating shaft (27) is movably connected with the bottom wall of the movable bottom plate (21) through a bearing, the top end of each first rotating shaft (27) is fixedly provided with a worm wheel (28) for driving the first rotating shaft (27) to rotate, one side of each worm wheel (28) is meshed with a worm (29), and the same second rotating shaft (210) is fixedly arranged between the two worms (29) positioned on the same side;
the top of the movable bottom plate (21) is provided with a driving mechanism for driving the two second rotating shafts (210) to rotate, and the driving mechanism drives the spiral anchor rod (25) to rotate through the second rotating shafts (210).
2. A rig erection device according to claim 1, wherein: the driving mechanism comprises two first bevel gears (211) which are respectively arranged at the middle positions of two second rotating shafts (210), one sides of the first bevel gears (211) are meshed with second bevel gears (212), the tops of the second bevel gears (212) are provided with forward and reverse motors (213) which drive the second bevel gears (212) to rotate, the forward and reverse motors (213) are positioned at the tops of the movable bottom plates (21), output shafts at the bottoms of the forward and reverse motors (213) extend into the movable bottom plates (21) and are fixedly connected with the tops of the second bevel gears (212) and are used for driving the second bevel gears (212) to rotate, and the output shafts at the bottoms of the forward and reverse motors (213) are movably connected with the top wall of the movable bottom plates (21) through bearings.
3. A rig erection device according to claim 1, wherein: the four corners of the bottom of the fixed bottom plate (22) are respectively provided with a movable wheel (23).
4. A rig erection device according to claim 1, wherein: four limiting plates (214) are fixed inside the movable bottom plate (21), the four limiting plates (214) are respectively arranged at the outer ends of the two second rotating shafts (210), and the second rotating shafts (210) penetrate through the limiting plates (214) and are movably connected with the limiting plates (214) through bearings.
5. A rig erection device according to claim 1, wherein: rectangular through holes (215) are formed in the middle of the movable bottom plate (21) and the middle of the fixed bottom plate (22), the two rectangular through holes (215) are communicated, and a drilling machine penetrates through the rectangular through holes (215) and drills into the stratum.
6. A rig erection device according to claim 1, wherein: the outer wall of the top end of the spiral anchor rod (25) is fixedly provided with a circular plate (26), and the bottom of the circular plate (26) is contacted with the ground after the spiral anchor rod (25) is completely drilled into the ground.
7. A rig erection device according to claim 1, wherein: the drilling machine fixing assembly (1) comprises two first fixing hoops (11) and two second fixing hoops (12), one side, away from each other, of the two first fixing hoops (11) and one side, away from each other, of the two second fixing hoops (12) are respectively fixed with a plurality of telescopic rods (13), one end, away from each of the first fixing hoops (11) or the second fixing hoops (12), of each telescopic rod (13) is respectively fixed with a mounting plate (14), vertical rods (15) are inserted into two ends of each mounting plate (14), the bottom ends of the vertical rods (15) penetrate through a movable bottom plate (21) and are fixedly connected with the top of a fixed bottom plate (22), and the mounting plates (14) and the vertical rods (15) are fixed together through first bolts (16).
8. A rig erection device according to claim 7, wherein: the moving directions of the two first fixing hoops (11) and the two second fixing hoops (12) are opposite, and the two first fixing hoops (11) and the two second fixing hoops (12) are fixed together through second bolts (17).
CN202322683711.0U 2023-10-08 2023-10-08 Drilling machine erecting device Active CN220769356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322683711.0U CN220769356U (en) 2023-10-08 2023-10-08 Drilling machine erecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322683711.0U CN220769356U (en) 2023-10-08 2023-10-08 Drilling machine erecting device

Publications (1)

Publication Number Publication Date
CN220769356U true CN220769356U (en) 2024-04-12

Family

ID=90610823

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322683711.0U Active CN220769356U (en) 2023-10-08 2023-10-08 Drilling machine erecting device

Country Status (1)

Country Link
CN (1) CN220769356U (en)

Similar Documents

Publication Publication Date Title
CN109630124B (en) Shaft heading machine adopting open caisson method and construction method of shaft heading machine
CN106088149B (en) A kind of mechanization rapid constructing method of precast splice type underground gallery
CN106121657A (en) A kind of multifunctional numerical control shaft sinking device and construction method
CN104196547B (en) Integrated support system and the tunnel machine of this integrated support system is housed
CN109356528B (en) Lower driving head of double-power drilling machine
CN102776884B (en) In stir and rotate prestressed centrifugally pile tube pile-sinking device and pile-sinking method thereof
CN108180260A (en) A kind of rotary drilling rig and its power head torsion increasing device
CN112459784A (en) Sinking type vertical shaft tunneling machine and well completion method thereof
CN102628336A (en) Batter pile construction drilling machine and construction method
CN108468334B (en) Gravel stratum dry-excavation clay dado pore-forming bored concrete pile construction device
CN213653445U (en) Self-tapping type protective cylinder
CN102383428B (en) Middle pick reverse drawing method prestressed centrifugally pile tube pile-sinking device and pile-sinking method thereof
CN220769356U (en) Drilling machine erecting device
CN204082166U (en) Integrated support system and the tunnel machine of this integrated support system is housed
CN206071589U (en) A kind of multifunctional numerical control shaft sinking device
CN213869711U (en) Construction is with doing pore-forming rig in narrow and small space
CN109555127A (en) A kind of construction for the flush type multimedium built pile that drills
JP2004092205A (en) Lightweight boring device
CN209838406U (en) Well wall pipe
CN109611025B (en) Indoor multifunctional high-drilling-speed pore-forming equipment
KR101237749B1 (en) Propulsion unit head that is used in shield method
CN112554783A (en) Dry hole-forming drilling machine for construction in underground narrow space and construction method
CN208089928U (en) A kind of split type planet carrier used in rotary digging drill power head torque structure
CN208089876U (en) A kind of rotary drilling rig and its power head torsion increasing device
CN105926582A (en) Prefabricated hollow component underground tunneling construction combined body, continuous wall and construction method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant