Stirring drill rod device and stirring hole guiding pile machine

Abstract

The utility model relates to the technical field of rotary drilling rigs, in particular to a stirring drill rod device and a stirring guide hole pile machine. The device comprises an elevator, a plurality of drill rods and a stirring drill bit, the drill rods are connected through an inner key plate and an outer key plate, and a slurry channel and an air channel are communicated with the elevator, the drill rods and the stirring drill bit in a penetrating mode. The stirring drill bit is provided with a movable paddle, an upper slurry gas outlet, a lower slurry gas outlet and a movable nylon sleeve, a slurry gas outlet channel is switched through left-right rotation of the movable paddle, and bidirectional stirring during drilling and lifting is achieved. The stirring guide hole pile machine comprises the stirring drill rod device and further comprises a mast, a heat dissipation device and a reel pipe frame so as to meet the construction requirement of an ultra-deep pile. According to the scheme, the problems of insufficient pile frame height, non-uniform stirring and high energy consumption of traditional equipment are solved, and the construction efficiency and quality of the deep stirring pile are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary drilling rig technical field, concretely is a kind of stirring drill rod device and stirring hole pile machine. BACKGROUND

[0002] The current market in the construction deep mixing pile equipment has single-shaft, multi-shaft mixing pile machine, etc., due to the fact that the pile frame of this kind of machinery is generally high, the general drilling depth is about 20 meters, and the current super-deep pile requires about 70 meters, considering the height of the original 20-meter-high pile frame, it is not feasible to increase the drilling frame to meet the depth requirement due to safety and use flexibility problems, resulting in less available super-deep mixing pile construction equipment or failing to meet the pile foundation design requirements, and the cost of additional special equipment is relatively high.

[0003] When we reconstruct old buildings, we use the scheme of fully mixing and uniformly mixing the original rock-soil, concrete and new slurry to realize the construction of super-deep piles, but the existing drill bit cannot fully mix and uniformly mix the above-mentioned substances. In view of the above problems, a stirring hole pile machine is needed to realize the construction of super-deep piles and fully mix and uniformly mix the original rock-soil, concrete and new slurry. SUMMARY

[0004] The problem to be solved is to provide a stirring hole pile machine to realize the construction of super-deep piles and fully mix and uniformly mix the original rock-soil, concrete and new slurry.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stirring drill rod device, comprising a pulling device, a drill rod and a stirring drill bit, the drill rod comprises a core rod, a two-section rod, a three-section rod and a four-section rod, one end of the core rod is connected to the pulling device and the other end is connected to the stirring drill bit, the adjacent sections of the drill rod are connected through inner key plates and outer key plates; the slurry channel and the gas channel pass through the pulling device, the drill rod and the stirring drill bit, the stirring drill bit comprises paddles, movable paddles, a lower slurry gas outlet and an upper slurry gas outlet, the movable paddles are controlled to go down or up by the stirring drill bit turning; when the movable paddles go down, the lower slurry gas outlet is connected to the slurry channel and the gas channel, and when the movable paddles go up, the upper slurry gas outlet is connected to the slurry channel and the gas channel.

[0006] Preferably, the stirring drill bit further comprises a movable slurry pipe connected to the movable paddles; the lower slurry gas outlet is connected to the slurry channel and the gas channel through the opening on the movable nylon sleeve one; and the upper slurry gas outlet is connected to the slurry channel and the gas channel through the opening on the movable nylon sleeve two.

[0007] Preferably, the stirring drill bit further comprises a drill bit gas channel and a fixed drill bit slurry channel, and the drill bit slurry channel is connected to the movable slurry pipe through a slip ring.

[0008] Preferably, the paddles are periodic in number and spacing.

[0009] Preferably, the bit includes a central slurry passage, a bypass air passage, and the central slurry passage and the bypass air passage are communicated with the drill bit slurry passage and the drill bit air passage through the slurry passage and the air passage in the core rod.

[0010] Preferably, the core rod is connected with the stirring drill bit through a hexagonal socket joint, and a buffer spring is arranged between the hexagonal socket joint and the core rod.

[0011] The stirring hole pile machine comprises the stirring drill rod device and further comprises an arm head, a mast, a pipe reel and an operation platform.

[0012] Preferably, a heat dissipation device is further arranged on the operation platform, the heat dissipation device is used for heat dissipation of a hydraulic system, and the heat dissipation device comprises a cooling water coil.

[0013] Preferably, the arm head comprises a slurry pipe reel and a slurry pipe slide, and the slurry pipe is connected with the pipe reel through the arm head, and the pipe reel is arranged on the operation platform.

[0014] Preferably, the mast further comprises a rubber pipe, and an outlet of the rubber pipe is higher than a top end of the four-section rod.

[0015] Compared with the prior art, the stirring drill rod device and the stirring hole pile machine have the following beneficial effects:

[0016] 1. Optimized structure: the drill rod is connected by combination of an inner key plate and an outer key plate, the stirring resistance is reduced, the energy consumption is reduced, the smooth outer wall design avoids mud solidification and blockage, and the service life is prolonged.

[0017] 2. Bidirectional stirring: the movable paddle cooperates with the upper and lower slurry gas outlets to realize slurry liquid injection of the lower slurry gas outlet during drilling and reverse stirring of the upper slurry gas outlet during lifting, so that the rock and soil and the slurry liquid are fully mixed and uniformly distributed.

[0018] 3. Strong adaptability to hard rock: the drill bit tail end is provided with a cutting tooth and a hard alloy paddle, which can break boulders or frozen soil and improve the construction capacity of complex strata.

[0019] 4. High-efficiency heat dissipation: the operation platform is additionally provided with a cooling water coil heat dissipation device, the hydraulic oil temperature is effectively controlled, and the stability of long-time continuous operation of the equipment is ensured.

[0020] 5. Depth expansion: through the modular drill rod design and the mast support, the construction of a super-deep pile of more than 70 meters is realized, and the modern engineering demand is met. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a use schematic view of the stirring drill rod device of the utility model;

[0022] Figure 2 It is a structure schematic view of the stirring drill rod device of the utility model;

[0023] Figure 3 It is a section view of the drill pipe of the utility model;

[0024] Figure 4 It is Figure 2 It is an enlarged view of A in the middle;

[0025] Figure 5 It is a structure view of the lifting device of the utility model;

[0026] Figure 6 It is a structure view of the stirring drill bit of the utility model;

[0027] Figure 7 It is a structure view of the arm head of the utility model;

[0028] The figure mark explanation: 1, stirring drill pipe device; 2, lifting device; 21, middle through slurry passage; 22, bypass air channel; 23, sealing ring; 24, rotary bearing; 25, one-way valve; 26, loose joint; 3, drill pipe; 31, core rod; 311, core rod outer key; 312, sealing section packing; 313, lip sealing ring; 314, positioning sleeve; 32, two-section rod; 321, two-section rod inner key plate; 322, two-section rod outer key plate; 33, three-section rod; 331, three-section rod inner key plate; 332, three-section rod outer key plate; 34, four-section rod; 341, four-section rod inner key plate; 342, four-section rod outer key plate; 35, slurry discharge disc; 36, buffer spring; 37, inner hex joint; 4, stirring drill bit; 41, paddle; 42, movable paddle; 421, fixed nylon sleeve; 43, head stop; 431, cutting tooth; 44, lower slurry gas outlet; 45, movable nylon sleeve one; 451, air channel one; 452, limit block one; 46, movable slurry pipe; 47, movable nylon sleeve two; 471, upper slurry gas outlet; 472, air channel two; 473, limit block two; 48, drill bit air channel; 49, drill bit slurry channel; 410, slip ring; 5, arm head; 51, slurry pipe winding pulley; 52, slurry pipe winding slide; 6, mast; 61, rubber pipe; 62, power head; 7, pipe winding frame; 8, heat dissipation device; 9, operation platform. DETAILED DESCRIPTION

[0029] The technical scheme in the utility model embodiment will be described below with reference to the accompanying drawings in the utility model embodiments:

[0030] As Figure 2As shown, a stirring drill rod device includes a swivel 2, a drill rod 3 and a stirring drill bit 4, the swivel 2 includes a central slurry passage 21, a bypass air passage 22, the central slurry passage 21 is connected with a rotating bearing 24 through a sealing ring 23, the sealing ring 23 prevents slurry from entering the rotating bearing 24; the bypass air passage 22 is provided with a one-way valve 25 at the front end of the rotating bearing 24, the one-way valve 25 can prevent gas from entering the rotating bearing 24; the swivel 2 further includes a union 26, the union 26 is used for connecting an external slurry pipeline and an air source pipeline.

[0031] The drill rod 3 includes a core rod 31, a two-section rod 32, a three-section rod 33 and a four-section rod 34, the core rod 31 is connected with the swivel 2 at one end and connected with the stirring drill bit 4 at the other end, adjacent sections of the drill rod 3 are connected through inner key plates and outer key plates; as Figure 3 As shown in the sectional view of the drill rod 3, the core rod 31 is provided with a core rod outer key 311 outside, the two-section rod 32 is provided with a two-section rod inner key plate 321 inside, the core rod outer key 311 is connected with the two-section rod inner key plate 321; the two-section rod 32 is provided with a two-section rod outer key plate 322 outside, the three-section rod 33 is provided with a three-section rod inner key plate 331 inside, the three-section rod inner key plate 331 is connected with the two-section rod outer key plate 322; the three-section rod 33 is provided with a three-section rod outer key plate 332 outside, the four-section rod 34 is provided with a four-section rod inner key plate 341 inside, the four-section rod inner key plate 341 is connected with the three-section rod outer key plate 332; the four-section rod 34 is provided with a four-section rod outer key plate 342 outside. The existing rotary drilling rod is mostly designed with an outer key plate, the stirring resistance of the outer key plate is large, the energy consumption is high, the soil in the pile is pressed with a large volume, and it is not conducive to the full mixing of the soil and the slurry. In the present application, the four-section rod 34 of the drill rod 3 is designed with an outer key plate, and the rest is designed with an inner key and an outer key. Since the permeability of the slurry is good, the outer surface of each section of the drill rod is smooth, the smooth outer wall design avoids the solidification and blockage of the slurry, and prolongs the service life. A lip sealing ring 313 and a sealing section packing 312 are designed at the bottom of each section of the drill rod to prevent the penetration of the slurry and the solidification of the drill rod; a positioning sleeve 314 is further provided to limit the maximum displacement of each section of the drill rod. The core rod 31 is a double-layer drill rod, has an inner hexagonal joint 37 at the bottom for connecting with the stirring drill bit 4, a buffer spring 36 and a slurry discharge disc 35. The core rod 31 has a slurry conveying pipe inside, and the gap between the inner wall of the core rod 31 and the outer side of the slurry conveying pipe is an air passage. The core rod 31 is connected with the central double-passage swivel 2 at the top.

[0032] The slurry channel and air channel pass through the central slurry channel 21 and the bypass air channel 22 of the lifting device 2. Then, the slurry channel and air channel pass through the core rod 31 of the drill rod 3 and finally enter the stirring drill bit 4. The stirring drill bit 4 includes a blade 41, a movable blade 42, a lower slurry air outlet 44, an upper slurry air outlet 471, a movable slurry pipe 46, a drill bit air channel 48, and a drill bit slurry channel 49. When the movable blade 42 moves downward, the lower slurry air outlet 44 connects to the slurry channel and air channel, and the upper slurry air outlet 471 is closed. When the movable blade 42 moves upward, the upper slurry air outlet 471 connects to the slurry channel and air channel, and the lower slurry air outlet 44 is closed. The movable slurry pipe 46 is welded to the movable blade 42. The rotation of the movable blade 42 relative to the core rod 31 is achieved by the fixed nylon sleeve 421. The lower slurry air outlet 44 is connected to the slurry channel and the air channel through the opening on the movable nylon sleeve 45. The movable nylon sleeve 45 is provided with the first air channel 451. When the movable blade 42 moves down, the first air channel 451 is connected to the drill bit air channel 48 and the lower slurry air outlet 44. The upper slurry air outlet 471 is connected to the slurry channel and the air channel through the opening on the movable nylon sleeve 47. The movable nylon sleeve 47 is provided with the second air channel 472. When the movable blade 42 moves up, the second air channel 472 is connected to the drill bit air channel 48 and the upper slurry air outlet 471. The lower slurry air outlet 44 and the upper slurry air outlet 471 are connected to the movable slurry pipe 46 through the openings of the movable nylon sleeve 45 and the second movable nylon sleeve 47, respectively. The drill bit slurry channel 49 is connected to the movable slurry pipe 46 via a slip ring 410. The movable slurry pipe 46 rotates with the movable blade 42, while the drill bit slurry channel 49 is fixed and does not rotate with the movable blade 42. This reduces the force required for the movable slurry pipe 46 to rotate, making it easier to achieve slurry discharge from the lower slurry outlet 44 and the upper slurry outlet 471. The downward or upward movement is achieved by controlling the left or right rotation of the movable blade 42 through the steering of the agitating drill bit 4. Figure 6The shown blades 41 are several, and the intervals between the several blades 41 are periodically arranged, so that the stirring is more uniform. The last blade 41 is connected with a stop head 43, the stop head 43 is provided with a cutting tooth 431, the stop head 43 limits the rotation of the movable blade 42, so that the movable blade 42 rotates by a certain angle to realize the slurry outlet of the down slurry gas outlet 44 or the up slurry gas outlet 471, and the cutting tooth 431 can be adapted to hard rock stratum for crushing hard rock or frozen soil. The movable nylon sleeve one 45 is provided with a limiting block one 452 at both ends, and the limiting block one 452 limits the longitudinal displacement of the movable nylon sleeve one 45; one end of the movable nylon sleeve two 47 is a slip ring 410, and the other end is a limiting block two 473, and the limiting block two 473 ensures that the movable nylon sleeve two 47 does not move downward. When the stirring drill rod device 1 drills, the stirring drill bit 4 is the slurry gas outlet 44; when the stirring drill bit 4 is lifted, the reverse stirring is the up slurry gas outlet 471. The stirring drill bit 4 is provided with the cutting tooth 431 and the hard alloy blade 41, so that the process of drilling the isolated rock and the old foundation is facilitated. The movable blade 42 at the stake tip of the stirring drill bit 4 controls the slurry gas outlet 44 or the up slurry gas outlet 471 according to the stirring drill bit 4 to discharge slurry gas. The top of the stirring drill bit 4 is connected with the inner hexagonal joint 37 of the core rod 31 through the outer hexagonal joint.

[0033] The central passage double-channel rotary puller 2 is provided with a central passage slurry channel 21 and a bypass air channel 22 on the main shaft, the bypass air channel 22 is provided with a one-way valve 25 to prevent the slurry from seeping into the rotary bearing 24 from the air channel, the central passage slurry channel 21 is sealed with a slurry special sealing ring 23 at the upper rotary end to prevent the slurry from entering the rotary bearing part, and the rotary end steel wire rope connecting hole is provided with slurry pipes and gas pipes connected on both sides and a movable joint 26, the puller 2 follows the core rod 31 to drill, and the central passage slurry channel 21 and the bypass air channel 22 of the puller 2 are connected with the drill bit slurry channel 49 and the drill bit air channel 48 through the slurry channel and the air channel in the core rod 31. The core rod 31 is connected with the stirring drill bit 4 through the inner hexagonal joint 37, the buffer spring 36 is arranged between the inner hexagonal joint 37 and the core rod 31, and the slurry discharge disc 35 is arranged between the buffer spring 36 and the core rod 31.

[0034] The utility model discloses still propose a kind of stirring hole pile machine, including the stirring drill rod device, still include arm head 5, mast 6, pipe reel 7 and operation platform 9;Stirring drill rod device side end connects mast 6 and top is connected with operation platform 9 by arm head 5. Because rotary drilling rig designs and uses drilling is intermittent full-flow drilling, original oil return heat dissipation can satisfy requirement, when as stirring drilling, because equipment is in long time large-flow use, hydraulic oil temperature rises faster, causes hydraulic transmission torque to reduce, need to add a heat dissipation system to oil return, to satisfy oil temperature use requirement. Therefore operation platform 9 is also provided with heat dissipation device 8, heat dissipation device 8 is used for hydraulic system heat dissipation, and heat dissipation device 8 includes cooling water coil pipe. Heat dissipation device 8 controls hydraulic oil temperature in safety range.

[0035] The arm head 5 comprises a pulp pipe pulley 51 and a pulp pipe pulley slide 52, which facilitates the delivery of the required material for stirring; the pulp pipe is connected to the pipe winding frame 7 through the arm head 5, the pipe winding frame 7 is located on the operation platform 9, the pipe winding frame 7 follows the drill rod 3 and winds the pulp gas pipe, so that the pulp gas pipe is synchronized with the drill rod 3, the pipe winding frame 7 is connected to a pulp and gas movable joint, which is convenient for connecting with the background pulp delivery pump.

[0036] The mast 6 is used to support the drill rod 3 and the stirring drill bit 4, and to keep the drill rod 3 and the stirring drill bit 4 vertical, and is equipped with a guide rail or a slide, and the lifting movement of the drill rod 3 is guided through the power head 62; the mast 6 also comprises a rubber pipe 61, and the outlet of the rubber pipe 61 is higher than the top end of the four-section rod 34. A rubber pipe 61 is introduced to the top of the mast 6 on the side of the mast 6, and clean water is injected into the drill rod 3 before drilling, so that the water seal of the sealing section is generated to further prevent the mud from penetrating into the drill rod 3, and the rubber pipe 61 can wash the drill rod 3 from the overflow port at the top of the drill rod 3 after the rod is retracted.

[0037] In use, the core rod 31, the two-section rod 32, the three-section rod 33 and the four-section rod 34 are sequentially connected in the longitudinal direction through the inner key plate and the outer key plate, so as to ensure that the inner key plate and the outer key plate between the rods are closely engaged. The stirring drill bit 4 is connected to the end of the core rod 31 through the inner hex joint 37, and the buffer spring 36 and the pulp discharge disc 35 are installed at the joint, so as to relieve the impact force during drilling. The puller 2 is installed at the top end of the core rod 31, and the front end of the central pulp passage 21 and the bypass gas channel 22 is connected through the loose joint 26, so as to ensure that the pulp channel and the gas channel are connected to the stirring drill bit 4. The external pulp pump is connected to the pipe winding frame 7 on the operation platform 9, the pulp pipe extends to the internal pulp channel of the drill rod 3 through the pulp pipe pulley 51 and the pulp pipe pulley slide 52 of the arm head 5. The gas source is connected to the bypass gas channel 22, and it is checked whether the one-way valve 25 in the puller 2 is normal, so as to prevent the mud from flowing back into the rotary bearing 24.

[0038] Drilling and initial stirring: start the drilling machine, drive the stirring drill bit 4 to drill downward, at this time, the movable paddle 42 is in the downward position in the forward rotation state, and the lower pulp gas outlet 44 is connected to the pulp channel and the gas channel through the opening of the movable nylon sleeve 45. The pulp is delivered to the drill bit pulp channel 49 through the central pulp passage 21, and the gas enters the drill bit gas channel 48 through the bypass gas channel 22, and after mixing, the mixture is sprayed from the lower pulp gas outlet 44, and drilling and rock-soil crushing are simultaneously performed. The cutting teeth 431 and the hard alloy paddle 41 crush hard rock or frozen soil, and the paddle 41 designed with periodic spacing realizes preliminary stirring and mixing.

[0039] Upward pulling and reverse stirring: when the stirring drill bit 4 reaches the predetermined depth, the stirring drill bit 4 is reversed and slowly pulled upward, at this time, the movable paddle 42 is reversed, and the opening of the movable nylon sleeve 47 is connected to the upper pulp gas outlet 471. The pulp and the gas are switched to the upper pulp gas outlet 471 for spraying, and the reverse stirring of the rock-soil in the pile hole achieves secondary stirring, so as to ensure that the new and old pulp and the rock-soil are fully mixed and uniform.

[0040] Heat dissipation and continuous operation: During continuous drilling, the heat dissipation device 8 (cooling water coil) on the operation platform circulates to cool the hydraulic system, controls the oil temperature within a safe range, and maintains efficient operation of the equipment.

[0041] Cleaning and rod recovery operation: After construction is completed, clean water is injected into the drill pipe 3 through the rubber tube 61 on the side of the mast 6 to flush the residual mud in the mud channel and the air channel, the mast 6 is inclined to make the end of the drill bit 4 higher than the end of the elevator 2, and the mud is discharged to prevent solidification and blockage. The equipment is not used and needs to be disassembled in sections, cleaned, and checked for wear of the sealing ring, nylon sleeve, and other easily damaged parts to complete the equipment storage.

[0042] Key operation points: The mast 6 needs to be kept vertical during drilling to ensure stable lifting of the drill pipe 3 along the guide rail and avoid deflection. When the movable paddle 42 switches the mud gas outlet, the stirring drill bit 4 rotation speed and lifting speed need to be controlled to avoid interruption of mud injection. Regularly check the wear state of the sealing ring, nylon sleeve, and cutting teeth, and replace them in time to ensure sealing and crushing efficiency.

[0043] The utility model discloses a stirring pilot pile machine suitable for super deep pile construction by improving the drill pipe connecting structure, optimizing the mud gas switching mechanism of stirring drill bit, and combining with the mast, heat dissipation device and other supporting design. The device not only solves the problems of insufficient pile frame height and low stirring efficiency of traditional equipment, but also significantly improves the mixing uniformity of rock and mud through the design of movable paddle and bidirectional mud gas channel. In addition, the introduction of cutting teeth and heat dissipation system further enhances the adaptability of the equipment to complex strata and high-strength operation. The scheme has the characteristics of reasonable structure, high construction efficiency and wide application range, and can be widely applied to building reconstruction and deep pile foundation engineering.

[0044] The above embodiments are only part of the embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A stirring drill rod device comprising a draw gear (2), a drill rod (3) and a stirring drill head (4), the drill rod (3) comprising a core rod (31), a two-section rod (32), a three-section rod (33) and a four-section rod (34), the core rod (31) being connected at one end to the draw gear (2) and at the other end to the stirring drill head (4), characterized in that: The adjacent sections of the drill rod (3) are connected by an inner key plate and an outer key plate; the slurry channel and the air channel pass through and connect the lifting device (2), the drill rod (3) and the stirring drill bit (4). The stirring drill bit (4) includes a blade (41), a movable blade (42), a lower slurry air outlet (44), and an upper slurry air outlet (471). The stirring drill bit (4) controls the movement of the movable blade (42) to descend or ascend. When the movable blade (42) descends, the lower slurry air outlet (44) connects to the slurry channel and the air channel. When the movable blade (42) ascends, the upper slurry air outlet (471) connects to the slurry channel and the air channel.

2. The stirring drill rod device according to claim 1, characterized in that: The stirring drill bit (4) also includes a movable slurry pipe (46), which is connected to a movable blade (42); the lower slurry outlet (44) is connected to the slurry channel and the air channel through an opening on the movable nylon sleeve one (45); the upper slurry outlet (471) is connected to the slurry channel and the air channel through an opening on the movable nylon sleeve two (47).

3. The stirring drill rod device according to claim 1, characterized in that: The stirring drill bit (4) also includes a drill bit air passage (48) and a fixed drill bit slurry passage (49), which is connected to a movable slurry pipe (46) via a slip ring (410).

4. The stirring drill rod device according to claim 1, characterized in that: There are several blades (41), and the spacing between the blades (41) is periodically set.

5. The stirring drill rod device according to claim 3, characterized in that: The lifting device (2) includes a central slurry channel (21) and a bypass air channel (22). The central slurry channel (21) and the bypass air channel (22) are connected to the drill bit slurry channel (49) and the drill bit air channel (48) through the slurry channel and air channel in the core rod (31), respectively.

6. The stirring drill rod device according to claim 1, characterized in that: The core rod (31) is connected to the stirring drill bit (4) through the hexagonal connector (37), and a buffer spring (36) is provided between the hexagonal connector (37) and the core rod (31).

7. A mixing-type pre-drilling pile machine, characterized in that: The stirring drill rod device according to any one of the preceding claims further includes a boom (5), a mast (6), a pipe winding frame (7), and an operating platform (9); the side end of the stirring drill rod device is connected to the mast (6), and the top end is connected to the operating platform (9) through the boom (5).

8. The mixing and drilling pile machine according to claim 7, characterized in that: The operating platform (9) is also equipped with a heat dissipation device (8), which is used for heat dissipation of the hydraulic system. The heat dissipation device (8) includes a cooling water coil.

9. The mixing and drilling pile machine according to claim 7, characterized in that: The boom head (5) includes a grout pipe pulley (51) and a grout pipe slide (52). The grout pipe is connected to the grout pipe frame (7) through the boom head (5). The grout pipe frame (7) is located on the operating platform (9).

10. The mixing and drilling pile machine according to claim 7, characterized in that: The mast (6) also includes a hose (61) with its outlet above the top of the four-section mast (34).

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