CN107587853B - Full-rotation full-casing drilling machine - Google Patents
Full-rotation full-casing drilling machine Download PDFInfo
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- CN107587853B CN107587853B CN201710962993.4A CN201710962993A CN107587853B CN 107587853 B CN107587853 B CN 107587853B CN 201710962993 A CN201710962993 A CN 201710962993A CN 107587853 B CN107587853 B CN 107587853B
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Abstract
The invention belongs to the technical field of earthwork machinery, and particularly relates to a full-rotation full-casing drilling machine. The full-rotation full-casing drilling machine comprises a frame, a pipe taking mechanism arranged on the upper portion of the frame, and a drilling machine body arranged on the lower portion of the frame, wherein the pipe taking mechanism comprises a pipe grabbing device and a driving device for driving the pipe grabbing device to move in the horizontal direction and the vertical direction. According to the full-rotation full-casing drilling machine, the pipe taking mechanism is arranged at the upper part of the frame, and can take pipes and place the casings on the drilling machine main body by moving in the horizontal direction and the vertical direction, so that the full-rotation full-casing drilling machine has the advantages of being free from the limit of a construction site, and particularly has the advantage of being small in space limit in the vertical direction compared with the existing crane pipe.
Description
Technical Field
The invention belongs to the technical field of earthwork machinery, and particularly relates to a full-rotation full-casing drilling machine.
Background
The full-rotation full-casing drilling machine is rock-soil drilling equipment driven by a large-caliber casing in the urban construction field, and key equipment is a pipe rubbing machine and a full-rotation casing drilling machine. Specifically, as in the research of the full-rotation casing drilling machine and the full-casing construction process in the scientific literature of China, song Zhibin and the like, the full-casing drilling disclosed on page 30 of the mining engineering (geotechnical drilling engineering) in the 2013 40 th roll 9 "generally refers to that a casing drilling machine (full-rotation drilling machine or a pipe rubbing machine) is utilized to apply torque and vertical load to an inner casing of a hole, and driving force is transmitted to a casing bit (casing shoe) by a casing string, so that the casing string drills in a stratum; meanwhile, the drilling machine (a punching grab or a rotary drilling rig) is used for drilling and taking soil in the sleeve so as to reduce or furthest eliminate the friction of a soil plug in the sleeve, and the drilling resistance of the sleeve mainly comes from the friction between the outer circumferential surface of the sleeve and a stratum; in the whole-casing drilling process, the whole-hole casing wall is protected, no slurry and circulating liquid participate, the inside of the casing belongs to dry type drilling and soil taking, the drilling inside the casing advances in advance of the drilling of the casing, and the advance of the internal drilling is determined by the stratum to be drilled. The casing string is formed by connecting a plurality of casings through casing joints, a single one of the added casings is used for taking soil in the pipe until the drilling is carried out to the depth of a designed pile, then a reinforcement cage is put in, concrete is poured in, the pouring concrete and the casing pulling out are alternately carried out, and the single casing is detached through the disassembly joint taper pin when the casing is pulled out until the whole hole pile body is poured in, and all the casings in the hole are pulled out simultaneously.
In the full-rotary drilling machine in the prior art, in the construction process, a casing string is formed by connecting a plurality of casings through casing joints, the process of installing the casings on a main body is realized through a crawler crane, and the construction process is easily limited by a construction site due to the higher height of the crawler crane.
Such problems are encountered by the inventor during a specific construction process, and in particular, in su zhou, in order to balance the urban development, a "one-transverse-one-longitudinal" backbone road network planning is proposed. "one longitudinal" is "the north extension of the tungjing road, in order to protect the historical cultural neighborhood of the mountain pond, the north road of the tungjing is passed through the north ring express way, the Huning railway, the Huning inter-city railway is continued to pass through the historical cultural neighborhood of the mountain pond downwards, the slope starts to become the ground road after passing through the historical cultural neighborhood of the mountain pond, and the Su Yuzhang road is connected. One of key nodes in the north extension of the tung jing road is a huning inter-city railway (ballastless track, flat slope section) operated by downward crossing, the huning inter-city at the downward crossing position is a bridge section (namely between 140 # to 141# and 141# to 142# bridge piers), the spans are 32m simply supported beams, and the bridge pier foundations are all drilled pile foundations. In the construction process, the Shanghai Ning inter-city normal operation cannot be influenced, the inter-city railway is allowed to deform to 1mm, and the construction difficulty is huge. According to the preliminary design file, the engineering adopts a slurry balance shield tunneling scheme, and the outside diameter of the segment preliminarily develops 2 schemes of 14.5m and 13.25m respectively. The shield scheme is characterized in that a Huning intercity railway is penetrated, the isolation piles are full sleeve cast-in-place piles with the diameter of 1m, longitudinal cross beams are arranged at the tops of the isolation piles, and soil bodies between the isolation piles are reinforced by sleeve valve pipe grouting. The spacer piles are 30m long. When a 13.25m shield tunnel is adopted, the diameter of the isolation pile is 1m, and the clear distance between the isolation pile and the shield is 1m, the center distance between the isolation pile and the existing bridge pile is 6.155m (corresponding to the left line of the Shanghai Ning inter-city). When a 14.5m shield tunnel is adopted, the diameter of the isolation pile is 1m, and the clear distance between the isolation pile and the shield is 0.53m, the center distance between the isolation pile and the existing bridge pile is 6m (corresponding to the left line of the Shanghai Ning inter-city).
That is, in the above scheme, the full sleeve cast-in-place pile is required to be driven under the huning inter-city railway bridge, but the space between the railway bridge and the ground is effective, and a sufficient construction space cannot be provided for the track crane, which hinders the normal progress of construction.
Aiming at the problems, the full-rotation full-casing drilling machine can solve the problem that the full-casing cast-in-place pile cannot be constructed due to the limitation of construction space in the prior art.
Disclosure of Invention
First, the technical problem to be solved
Aiming at the existing technical problems, the invention provides a full-rotation full-casing drilling machine, which can solve the problem that the full-casing cast-in-place pile cannot be constructed due to the limitation of construction space in the prior art.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the utility model provides a full-circle full-casing drilling machine, it includes the frame to and set up in the pipe mechanism of getting of frame upper portion, set up the rig main part in the frame lower part, it includes grabs the pipe device to get the pipe mechanism, and is used for driving the drive arrangement who grabs the pipe device and remove in horizontal direction and vertical direction.
As a preferable scheme of the full-circle full-casing drilling machine, the driving device comprises a guide rail arranged on the frame, a frame connected with the guide rail in a sliding manner, a horizontal driving device and a vertical driving device;
the horizontal driving device is arranged on the frame, and the power output end of the horizontal driving device is connected with the frame and used for driving the frame to reciprocate along the guide rail in the horizontal direction;
the vertical driving device and the pipe grabbing device are arranged on the frame, and a power output end of the vertical driving device is connected with the pipe grabbing device and used for driving the pipe grabbing device to reciprocate in the vertical direction.
As a preferable scheme of the full-rotation full-casing drilling machine, the horizontal driving device is an electric hoist, and a steel wire rope of the electric hoist is fixedly connected with the frame.
As a preferable scheme of the full-circle full-casing drilling machine, the vertical driving device comprises four uniform rotating shafts, wherein two rotating shafts are arranged at two ends of the upper surface of the frame, and the other two rotating shafts are arranged on the lower surface of the frame and are symmetrically distributed with the two rotating shafts on the upper surface;
two ends of the rotating shaft are provided with a chain wheel, the upper surface and the lower surface of the rotating shaft are oppositely arranged on a pair of chain wheels, and the pipe grabbing device is fixedly connected with the four chain wheels and is in a horizontal state;
the vertical driving device further comprises a driving motor, and the driving motor drives the four rotating shafts to synchronously rotate through a driving chain.
As a preferable scheme of the full-rotation full-casing drilling machine, the pipe grabbing device comprises a pipe grabbing device body, a pipe grabbing through hole is formed in the center of the pipe grabbing device body, a plurality of clamping blocks are arranged on the side wall of the pipe grabbing through hole, and the clamping blocks clamp the casing under the driving of the oil cylinder.
As a preferable scheme of the full-circle full-casing drilling machine, the frame comprises a base, a top cross beam and an upright post arranged between the base and the top cross beam; the stand includes two parts that the interval set up, and connects through the lead screw between the two parts that the interval set up.
As a preferable scheme of the full-rotation full-sleeve drilling machine, four guide posts which are uniformly distributed are arranged on the base, and two symmetrically arranged drilling machine oil cylinders are fixed between the upright posts;
the drill body is sleeved on the guide post and is in sliding connection with the guide post, and the drill body is fixedly connected with a piston rod of the drill cylinder and is driven by the piston rod to reciprocate up and down.
As a preferable scheme of the full-circle full-casing drilling machine, the drilling machine main body comprises a positioning mechanism for driving the casing to radially move and enabling the axis of the casing to coincide with the axis of the pile, and a tightening device for tightening the positioned casing.
As a preferable scheme of the full-circle full-casing drilling machine, the drilling machine main body comprises a plurality of horizontally arranged positioning devices, when the positioning devices are in a positioning state, positioning ends of the positioning devices are positioned on the same circular track, and the circle center of the circular track is concentric with the pile center.
As a preferable mode of the above full-circle full casing drilling machine, the drilling machine body includes a plurality of tightening devices, and the tightening devices include tightening blocks, and a tightening block driving device for driving the tightening blocks to horizontally move.
(III) beneficial effects
The beneficial effects of the invention are as follows: according to the full-rotation full-casing drilling machine, the pipe taking mechanism is arranged at the upper part of the frame, and can take pipes and place the casings on the drilling machine main body by moving in the horizontal direction and the vertical direction, so that the full-rotation full-casing drilling machine has the advantages of being free from the limit of a construction site, and particularly has the advantage of being small in space limit in the vertical direction compared with the existing crane pipe.
Drawings
FIG. 1 is a schematic perspective view of a full-circle full-casing drilling machine according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of another angle of a full-rotation full-casing drilling machine according to an embodiment of the present invention;
fig. 3 is a schematic view showing the arrangement of the positioning device and the tightening device of the drill body according to the embodiment of the present invention.
[ reference numerals description ]
1: a frame; 2: a tube taking mechanism; 3: a drill body; 4: a sleeve; 5: a support table;
11: a guide rail; 12: a base; 13: a top cross beam; 14: a column; 15: a screw rod; 16: a guide post; 17: a drilling machine oil cylinder;
21: a pipe grabbing device; 22: a positioning plate; 23: a frame; 24: a bearing seat; 25: a rotating shaft; 26: a sprocket; 27: a chain; 28: a driving motor; 29: a drive chain;
31: a clamping device; 32: a lifting platform; 33: positioning an oil cylinder; 34: a positioning block; 35: a blocking piece; 36: a turntable motor.
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
Referring to fig. 1 and 2, the present embodiment provides a full-circle full-casing drilling machine, which includes a frame 1, a pipe taking mechanism 2 disposed at an upper portion of the frame 1, a drilling machine main body 3 disposed at a lower portion of the frame 1, the pipe taking mechanism 2 including a pipe grabbing device 21, and a driving device for driving the pipe grabbing device to move in a horizontal direction and a vertical direction.
The drill provided in this embodiment, by arranging the pipe taking mechanism 2 on the upper portion of the frame 1, and moving the pipe taking mechanism 2 in the horizontal direction and the vertical direction, it is possible to achieve pipe taking and placing of the sleeve 4 on the drill main body 3, and the drill has the advantage of not being limited by the construction site, especially the advantage of being small in space limitation in the vertical direction, relative to the existing crane pipe.
The driving device comprises a guide rail 11 arranged on the frame 1, a frame 23 in sliding connection with the guide rail 11, a horizontal driving device and a vertical driving device.
The horizontal driving device is provided on the frame 1, and its power output end is connected to the frame 1 and is used for driving the frame 23 to reciprocate in the horizontal direction along the guide rail 11. Specifically, the guide rail 11 is provided with a plurality of evenly distributed pulleys, the frame 23 is connected with the guide rail 11 through the pulleys, and the driving frame 23 through the horizontal driving part can reciprocate along the guide rail 11 in the horizontal direction.
The vertical driving device and the pipe grabbing device 21 are arranged on the frame 23, and a power output end of the vertical driving device is connected with the pipe grabbing device 21 and used for driving the pipe grabbing device 21 to reciprocate in the vertical direction.
The horizontal driving device is an electric hoist, and a steel wire rope of the electric hoist is fixedly connected with the frame 1. The electric hoist is an implementation mode of the horizontal driving device, and the horizontal driving device is not discharged in the forms of an oil cylinder, an air cylinder and motor driving.
The vertical driving device comprises four uniform rotating shafts 25, wherein two rotating shafts 25 are arranged at two ends of the upper surface of the frame 23, the other two rotating shafts 25 are arranged on the lower surface of the frame 23 and symmetrically distributed with the two rotating shafts 25 on the upper surface, and specifically, the rotating shafts 25 are arranged on the frame 23 through bearing seats 24.
A sprocket 26 is provided at both ends of the rotation shaft 25, and a chain 27 is provided on the pair of sprockets 26 with the upper and lower surfaces being opposite to each other, and the pipe grasping device 21 is fixedly connected to the four chains 27 and is in a horizontal state.
The vertical driving device further comprises a driving motor 28, and the driving motor 28 drives the four rotating shafts 25 to synchronously rotate through a driving chain 29.
By the arrangement of the vertical driving device, the pipe grabbing device 21 can be ensured to stably reciprocate in the vertical direction by the vertical driving device. The vertical driving device can also adopt structures such as an oil cylinder, an air cylinder and the like.
The pipe grabbing device 21 comprises a pipe grabbing device body, a pipe grabbing through hole is formed in the center of the pipe grabbing device 21 body, a plurality of clamping blocks are arranged on the side wall of the pipe grabbing through hole, and the clamping blocks clamp the sleeve under the driving of the oil cylinder.
In order to improve the grabbing stability of the tube grabbing device 21 to the sleeve, a locating plate 22 is further arranged on the frame 23, the locating plate 22 is located on the upper portion of the tube grabbing device body, and through holes corresponding to the tube grabbing through holes are further formed in the locating plate 22. In the process of taking out the pipe by the pipe grabbing device 21, the positioning plate 22 and the pipe grabbing device 21 are sleeved on the sleeve 4.
In order to describe the above tube taking mechanism 2 in detail, in this embodiment, a specific working process of the above tube taking mechanism is further provided, specifically as follows:
firstly, vertically placing a sleeve 4 to be installed on a supporting table 5 beside a drilling machine, and driving a frame 23 by a horizontal driving device (electric hoist) to move along a guide rail 11 so that a pipe grabbing device 21 is positioned at the upper part of the sleeve 4;
then, the driving motor 28 of the vertical driving device drives the four rotating shafts 25 to rotate along the first direction through the chains 27, the rotating shafts 25 rotate and drive the chains 27 on the chain wheels 26 to move, the chains 27 drive the pipe grabbing device 21 to move downwards while moving, and the pipe grabbing through holes of the pipe grabbing device 21 are sleeved on the sleeve 4;
further, the clamping blocks on the pipe grabbing device 21 clamp the sleeve 4 under the drive of the clamping block oil cylinders, after the sleeve 4 is clamped, the driving motor 28 of the vertical driving device drives the four rotating shafts 25 to rotate along the second direction (the first direction and the second direction are two opposite directions) through the chains 27, the rotating shafts 25 drive the chains 27 on the chain wheels 26 to move while rotating, the chain 27 drives the pipe grabbing device 21 to move upwards while moving, and when the pipe grabbing device 21 drives the sleeve 4 to move upwards to a set height, the vertical driving device stops moving;
further, the horizontal driving device (electric hoist) drives the frame 23 to move along the guide rail 11, so that the pipe grabbing device 21 and the sleeve 4 are positioned at the upper part of the drilling machine main body 3, then the horizontal driving device stops moving, the driving motor 28 of the vertical driving device drives the four rotating shafts 25 to rotate along the first direction through the chains 27, the rotating shafts 25 drive the chains 27 on the chain wheels 26 to move while rotating, the chain 27 drives the pipe grabbing device 21 to move downwards while moving, and when the pipe grabbing device 21 drives the sleeve 4 to move into the drilling machine main body 3, the vertical driving device stops moving, and the clamping blocks on the pipe grabbing device 21 are driven by the oil cylinders to loosen the sleeve 4;
finally, the driving motor 28 of the vertical driving device drives the four rotating shafts 25 to rotate along the second direction through the chains 27, the rotating shafts 25 rotate and drive the chains 27 on the chain wheels 26 to move, and the chains 27 drive the pipe grabbing device 21 to move upwards and separate from the sleeve 4.
The frame 1 comprises a base 12, a top cross beam 13, and a column 14 arranged between the base 12 and the top cross beam 13; the upright 14 comprises two parts which are arranged at intervals, and the two parts which are arranged at intervals are connected through a screw rod 15. By arranging the upright 14 in two parts arranged at a distance and connecting the two parts by means of a screw 15, it is thus possible to adjust the height of the upright 14 according to the actual height.
Four guide posts 16 which are uniformly distributed are arranged on the base 12, two symmetrically arranged drilling machine main body oil cylinders 17 are fixed between the upright posts 14, the drilling machine main body 3 is sleeved on the guide posts 16 and is in sliding connection with the guide posts 16, and the drilling machine main body 3 is fixedly connected with a piston rod of the drilling machine main body oil cylinder 17 and is driven by the piston rod to reciprocate up and down. During the working process of the drill body 3, the drill body 3 drives the sleeve 4 to rotate, the drill body oil cylinder 17 drives the drill body 3 to move downwards, and the guide post 16 guides the drill body 3 during the downward movement of the drill body 3, so that the uniformity of the downward movement of the drill body 3 is improved.
The drill body 3 includes a positioning mechanism for driving the sleeve 4 to move and coinciding the axis of the sleeve 4 with the axis of the pile, and a tightening device 31 for tightening the positioned sleeve 4, the positioning mechanism including a positioning end capable of moving in a horizontal direction and for adjusting the horizontal position of the sleeve 4, the tightening device 31 including a tightening block, and a tightening block driving device for driving the tightening block of the tightening device 31 to move horizontally.
The positioning mechanism that the level set up has the advantage that the size is little in vertical direction for current wedge location clamping device 31, and then can reduce the size of rig main part in vertical direction again, from this, increased the space between rig main part 3 and the pipe taking mechanism 2, reduced the influence that the job site caused to rig construction, if under the railway bridge construction, the distance between railway bridge and the ground is about 4m, the height of current rig main part is about 2m, because construction space obviously can't carry out the construction, and the rig main part in this embodiment can accomplish 0.5m owing to the improvement on structure, from this, can provide about 3 m's construction space, make to carry out the construction under the condition of low headroom become the possibility.
The drill body 3 includes a plurality of tightening means 31, and the tightening means includes a tightening block, and a tightening block driving means for driving the tightening block to move horizontally.
Specifically, the full-rotation full-casing drilling machine main body comprises a plurality of horizontally arranged positioning devices, and when the positioning devices are in a positioning state, the positioning ends of the positioning devices are positioned on the same circular track, and the circle center of the circular track is concentric with the pile center. By means of the positioning device arranged in this way, the axis of the sleeve 4 can be overlapped with the axis of the pile by moving the sleeve 4, so that the pile can be formed according to design requirements.
The full-rotation full-casing drill body further comprises a lifting platform 32, and the lifting platform 32 is provided with a through hole for the casing 4 to pass through.
Referring to fig. 3, the positioning device is a positioning cylinder 33, the positioning cylinder 33 is arranged on a lifting platform 32, a positioning block 34 is arranged on a piston rod of the positioning cylinder 33, a blocking block 35 is arranged on the lifting platform, and the positioning block 34 is matched with the blocking block 35 to limit the elongation of the piston rod. When the positioning block 34 on the positioning cylinder 33 is in contact with the blocking block 35, the positioning cylinder 33 is in a positioning position, at which the free end of the piston rod is on the same circumference, and the center of the circumference coincides with the pile center.
Specifically, the plurality of positioning cylinders 33 share the same oil supply line, and further include an oil pump that supplies oil to the plurality of positioning cylinders 33 through the oil supply line. The positioning cylinders 33 are provided with an oil path, when the positioning blocks 34 on the piston rods of part of the positioning cylinders 33 are contacted with the blocking blocks 35, hydraulic oil in the oil path is distributed into other positioning cylinders 33, and finally all the positioning cylinders 33 reach the positioning positions.
The full-rotation full casing drill body includes a plurality of clamping devices 31, and the clamping devices 31 include clamping blocks, and clamping block driving devices for driving the clamping blocks of the clamping devices 31 to horizontally move. Wherein, the clamping block driving device is a clamping oil cylinder.
The full-rotation full-casing drilling machine main body comprises a plurality of uniformly distributed positioning devices and a plurality of uniformly distributed tightening devices 31, wherein the positioning devices and the tightening devices 31 are alternately arranged.
The full-rotation full-casing drilling machine main body further comprises a turntable and a turntable motor 36, wherein the clamping device is arranged on the turntable, and the turntable motor 36 and the turntable are in transmission through gears.
In order to further explain the full-rotation full-casing drill main body, the embodiment also provides a specific working process of the drill main body, which is specifically as follows:
firstly, the positioning device on the drill main body 3 is in an initial position (in an unfixed state), the clamping device 31 is in an initial position (in an unfixed state), after the pipe taking mechanism 2 places the sleeve 4 on the drill main body 3, that is, the pipe taking mechanism 2 places the sleeve 4 in the through hole of the lifting platform 32, and the pipe taking and placing processes of the pipe taking mechanism 2 are specifically as the working processes of the pipe taking mechanism 2 are as described above;
then, the positioning oil cylinders 33 of the positioning device start to move, the sleeve 4 moves under the pushing of the piston rods of the positioning oil cylinders 33, and finally the center line and the axis of the sleeve 4 are overlapped under the action of the positioning oil cylinders 33;
again, the tightening block of the tightening device 31 moves toward the center position of the drill body 3 and tightens the casing 4 under the pushing of the tightening cylinder;
finally, the turret motor starts to operate, which rotates the sleeve 4 by rotation, and at the same time, the drill cylinder 17 connected to the drill body 3 starts to operate and applies a vertical downward force to the drill body 3, at which time the drill body 3 rotates the sleeve 4 and moves downward.
The technical principles of the present invention have been described above in connection with specific embodiments, which are provided for the purpose of explaining the principles of the present invention and are not to be construed as limiting the scope of the present invention in any way. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The utility model provides a full-circle full-casing drilling machine which characterized in that: the pipe taking device comprises a frame (1), a pipe taking mechanism (2) arranged at the upper part of the frame (1), and a drilling machine main body (3) arranged at the lower part of the frame (1), wherein the pipe taking mechanism (2) comprises a pipe grabbing device (21) and a driving device for driving the pipe grabbing device (21) to move in the horizontal direction and the vertical direction;
the driving device comprises a guide rail (11) arranged on the frame (1), a frame (23) in sliding connection with the guide rail (11), a horizontal driving device and a vertical driving device; the power output end of the horizontal driving device is connected with the frame (1) and is used for driving the frame (23) to reciprocate along the guide rail (11) in the horizontal direction; the power output end of the vertical driving device is connected with the pipe grabbing device (21) and is used for driving the pipe grabbing device (21) to reciprocate in the vertical direction;
the pipe grabbing device (21) comprises a pipe grabbing device body, a pipe grabbing through hole is formed in the center of the pipe grabbing device body, a plurality of clamping blocks are arranged on the side wall of the pipe grabbing through hole, and the clamping blocks clamp the sleeve under the drive of a clamping block oil cylinder;
the frame is provided with a positioning plate (22), the positioning plate (22) is positioned at the upper part of the pipe taking device body, and the positioning plate (22) is provided with a through hole corresponding to the pipe grabbing through hole; in the process of taking out the pipe by the pipe grabbing device (21), the positioning plate (22) and the pipe grabbing device (21) are sleeved on the sleeve (4);
the vertical driving device comprises four uniform rotating shafts (25), wherein two rotating shafts (25) are arranged at two ends of the upper surface of the frame (23), and the other two rotating shafts (25) are arranged on the lower surface of the frame (23) and are symmetrically distributed with the two rotating shafts (25) on the upper surface; two ends of the rotating shaft (25) are provided with a chain wheel (26), the upper surface and the lower surface of the rotating shaft are oppositely arranged on a pair of chain wheels (26) and are provided with a chain (27), and the pipe grabbing device (21) is fixedly connected with the four chains (27) and is in a horizontal state; the vertical driving device further comprises a driving motor (28), and the driving motor (28) drives the four rotating shafts (25) to synchronously rotate through a driving chain (29);
the specific working process of the pipe taking mechanism (2) is as follows:
firstly, vertically placing the sleeve (4) to be installed on a supporting table (5) beside a drilling machine, wherein the horizontal driving device drives the frame (23) to move along the guide rail (11) so that the pipe grabbing device (21) is positioned at the upper part of the sleeve (4);
then, a driving motor (28) of the vertical driving device drives four rotating shafts (25) to rotate along a first direction through the chains (27), the rotating shafts (25) rotate and drive the chains (27) on chain wheels (26) to move, the chains (27) drive the pipe grabbing device (21) to move downwards and enable pipe grabbing through holes of the pipe grabbing device (21) to be sleeved on the sleeve (4);
the clamping blocks on the pipe grabbing device (21) clamp the sleeve (4) under the drive of the clamping block oil cylinders, after the sleeve (4) is clamped, a driving motor (28) of the vertical driving device drives four rotating shafts (25) to rotate along a second direction through chains (27), the rotating shafts (25) drive the chains (27) on chain wheels (26) to move while rotating, the chains (27) drive the pipe grabbing device (21) to move upwards while moving, and when the pipe grabbing device (21) drives the sleeve (4) to move upwards to a set height, the vertical driving device stops moving;
the horizontal driving device drives the frame (23) to move along the guide rail (11), so that the pipe grabbing device (21) and the sleeve (4) are positioned at the upper part of the drilling machine main body (3), the horizontal driving device stops moving, then a driving motor (28) of the vertical driving device drives four rotating shafts (25) to rotate along a first direction through chains (27), the rotating shafts (25) drive the chains (27) on chain wheels (26) to move while rotating, the chains (27) drive the pipe grabbing device (21) to move downwards while moving, and after the pipe grabbing device (21) drives the sleeve (4) to move into the drilling machine main body (3), the vertical driving device stops moving, and a clamping block on the pipe grabbing device (21) is driven by a clamping block oil cylinder to release the sleeve (4);
finally, a driving motor (28) of the vertical driving device drives four rotating shafts (25) to rotate along a second direction through the chains (27), the rotating shafts (25) drive the chains (27) on chain wheels (26) of the rotating shafts to move while rotating, and the chains (27) drive the pipe grabbing device (21) to move upwards and separate from the sleeve (4) while moving;
when the pipe taking mechanism (2) places the sleeve (4) on the drilling machine main body (3), the drilling machine main body (3) drives the sleeve (4) to rotate and move downwards.
2. The full-rotation full-casing drilling machine according to claim 1, wherein the horizontal driving device is an electric hoist, and a steel wire rope of the electric hoist is fixedly connected with the frame (1).
3. The full-swing full casing drilling machine according to claim 1, characterized in that the frame (1) comprises a base (12), a top beam (13), and a column (14) arranged between the base (12), the top beam (13); the upright post (14) comprises two parts which are arranged at intervals, and the two parts which are arranged at intervals are connected through a screw rod (15).
4. A full-circle full-casing drilling machine according to claim 3, characterized in that four evenly distributed guide posts (16) are arranged on the base (12), and two symmetrically arranged drilling machine cylinders (17) are fixed between the upright posts (14);
the drilling machine body (3) is sleeved on the guide post (16) and is in sliding connection with the guide post (16), and the drilling machine body (3) is fixedly connected with a piston rod of the drilling machine oil cylinder (17) and is driven by the piston rod to reciprocate up and down.
5. A full-swing full casing drilling machine according to claim 1 or 4, characterized in that the drilling machine body (3) comprises a positioning mechanism for driving the casing (4) radially and coinciding the axis of the casing (4) with the axis of the pile, and a tightening device (31) for tightening the positioned casing.
6. The full-circle full-casing drilling machine according to claim 5, wherein the drilling machine body (3) comprises a plurality of horizontally arranged positioning devices, and when the positioning devices are in the positioning state, the positioning ends of the positioning devices are positioned on the same circular track, and the circle center of the circular track is concentric with the pile center.
7. A full-swing full casing drill according to claim 5, characterized in that the drill body (3) comprises a plurality of tightening means (31), and that the tightening means (31) comprises tightening blocks of the tightening means, and a tightening block driving means for driving the tightening blocks of the tightening means to move horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710962993.4A CN107587853B (en) | 2017-10-11 | 2017-10-11 | Full-rotation full-casing drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710962993.4A CN107587853B (en) | 2017-10-11 | 2017-10-11 | Full-rotation full-casing drilling machine |
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| CN107587853A CN107587853A (en) | 2018-01-16 |
| CN107587853B true CN107587853B (en) | 2023-10-03 |
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| CN107620574A (en) * | 2017-10-11 | 2018-01-23 | 南京路鼎搅拌桩特种技术有限公司 | A kind of full circle swinging all casing drill main body and full circle swinging all casing drill |
| CN114607268B (en) * | 2022-05-16 | 2022-08-23 | 徐州景安重工机械制造有限公司 | Gas-lift reverse circulation pore-forming device using full-slewing drilling machine to provide power |
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