CN210195687U - Hole cleaning system for drilling and pile building - Google Patents

Abstract

The utility model relates to a building field, the problem that the grout outlet to the mud pit is blockked up easily, a clear hole system for drilling pile is built is provided, including pneumatic agitating unit, mud draw-out device and mud purifier, mud draw-out device is including taking out the thick liquid pipe, the pump, mud purifier includes the mud pit and locates into thick liquid mouth and grout outlet on the mud pit, be equipped with in the mud pit and filter the piece, the mud pit internal rotation is connected with the rotary drum, the rotary drum is just right with advancing the thick liquid mouth, be equipped with cleaning member and linkage cleaning member along with the synchronous pivoted first linkage subassembly of rotary drum in the mud pit, be equipped with in the mud pit and link the second linkage subassembly of brushing member and synchronous follow mud pit diapire reciprocating motion along the cleaning member rotation. Rotate through mud drive rotary drum to through first linkage subassembly and second linkage subassembly linkage cleaning member and the scrubbing piece scrubbing mud pit of linkage, make mud bottom of the mud pit be difficult to deposit mud, and then make the mud outlet be difficult to blockked up.

Description

Hole cleaning system for drilling and pile building

Technical Field

The utility model relates to a building field, more specifically say, it relates to a clear hole system for drilling is built a pile.

Background

The drilling and pile-building technology is a foundation pile-driving mode commonly used in building construction, and the drilling and pile-building technology has the advantages of large bearing capacity, good stability, small settling amount, small influence of construction water level or underground water level and the like, is widely applied to various foundation engineering, particularly has the characteristics of high efficiency, less pollution, multiple functions, guaranteed construction quality and the like of the rotary drilling and filling pile, meets the requirements of comprehensive development, and is widely applied to the construction of the drilling and filling pile.

The drilling and pile building method includes drilling equal-section pile holes with a drill bit, reaming after the drilled holes reach a preset depth and pouring concrete into the pile holes. Before concrete is poured, the drilled holes must be cleaned, and sediments in the pile holes are discharged.

At present, chinese patent with publication number CN205876245U discloses a hole cleaning system for drilling and pile-building, including pneumatic stirring device, mud extraction device and mud purification device, pneumatic stirring device is including setting up in subaerial aerodynamic element and pipe, the suction end of mud extraction device and the pipeline UNICOM that submerges below the liquid level in the pipe, output UNICOM mud purification device, mud purification device includes the mud pond and is used for filtering the screen cloth of boring the sediment, mud purification device is used for getting rid of boring the sediment and flows back into the downthehole mud of stake with purifying.

However, the mud purifying device for filtering the drilling slag has the advantages that the mud contains water and silt, and the density of the silt is higher than that of the water, so that the silt is easy to deposit at the bottom of the mud tank, and even a mud outlet communicated with a pile hole in the mud tank is easy to be blocked by the deposited silt, and therefore, the mud purifying device still has room for improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a clear hole system for drilling is built a pile has the advantage that the grout outlet that makes the mud pit is difficult to be blockked up.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a hole cleaning system for drilling and pile building comprises a pneumatic stirring device, a mud extracting device and a mud purifying device, wherein the mud extracting device comprises a mud pumping pipe communicated with a pile hole and a mud pumping pump arranged on the mud pumping pipe, the mud purifying device comprises a mud tank, a mud inlet and a mud outlet which are arranged on the mud tank, the mud inlet is communicated with the mud pumping pipe, the mud outlet is communicated with the pile hole, a filtering piece for filtering drilling slag is arranged in the mud tank, a rotary drum is rotationally connected in the mud tank and is just opposite to the mud inlet, a plurality of blades are fixed on the rotary drum and extend along the radial direction of the rotary drum, a cleaning piece for cleaning the mud outlet is rotationally connected in the mud tank, a first linkage assembly for synchronously rotating the linkage cleaning piece along with the rotary drum to clean the mud outlet is arranged in the mud tank, a cleaning piece for cleaning the bottom wall of the mud tank is also arranged in the mud tank, and a second linkage assembly which is linked with the cleaning piece to synchronously reciprocate along the bottom wall of the mud tank along with the rotation of the cleaning piece so as to clean the bottom wall of the mud tank is further arranged in the mud tank.

By adopting the technical scheme, the slurry pump is started, so that slurry in the pile hole is pumped into the slurry tank by the slurry pumping pipe, the slurry passing through the slurry inlet falls on blades of the rotary drum, the rotary drum is driven to rotate, the rotary drum rotates to drive the first linkage assembly to link the cleaning piece to synchronously rotate, so that the linkage cleaning piece brushes the slurry outlet, the slurry is not easy to accumulate at the slurry outlet, and the slurry outlet is not easy to block; meanwhile, the mud in the mud pit can be returned to the pile hole more completely for reuse, the cyclic utilization rate of the mud can be improved, and the resource utilization rate can be improved; in addition, the cleaning of the mud pit is facilitated, so that the mud pit can be automatically cleaned in the mud pumping process, the cleaning degree of the mud pit is favorably improved, the mud pit does not need to be cleaned manually, and the labor resource is favorably saved.

The utility model discloses further set up to: first linkage subassembly include with rotary drum fixed connection's action wheel and with cleaning piece fixed connection from the driving wheel, the action wheel and from being equipped with end to end's belt between the driving wheel, belt parcel action wheel and follow driving wheel are with linkage action wheel and follow driving wheel synchronous revolution, it has the through-hole that supplies the belt to pass to open on the filter piece.

By adopting the technical scheme, when slurry falls into the rotating cylinder from the slurry inlet, the slurry drives the rotating cylinder to rotate, the rotating cylinder drives the driving wheel to rotate, the driving wheel rotates and is linked with the belt transmission, the belt transmission drives the driven wheel to rotate, and the driven wheel rotates and drives the cleaning piece to synchronously rotate, so that the cleaning piece can perform cleaning operation while the slurry inlet is filled with the slurry, other power does not need to be added, and energy resources are saved.

The utility model discloses further set up to: the second linkage subassembly includes along with the synchronous pivoted drive lever of cleaning piece, the drive lever is articulated with the cleaning piece, the one end that the cleaning piece was kept away from to the drive lever articulates there is the driven lever, the one end that the drive lever was kept away from to the driven lever is articulated with the piece of brushing clearly, it still is equipped with the restriction piece of injecing the piece of brushing clearly along the horizontal direction motion on the piece of brushing clearly.

By adopting the technical scheme, when the cleaning piece rotates, the cleaning piece is linked with the driving rod to rotate, the driving rod is linked with the driven rod to rotate, and the linkage rod is linked with the cleaning piece to reciprocate in the horizontal direction under the limitation of the limiting piece, so that the rotary drum can be simultaneously linked with the cleaning piece and the cleaning piece to synchronously move, and further the cleaning piece and the cleaning piece can clean the slurry outlet and the bottom wall of the slurry pool while slurry is introduced into the slurry inlet, and further the slurry outlet is not easy to block; meanwhile, the cleaning part and the cleaning brush part do not need to be externally powered, and energy resources are saved.

The utility model discloses further set up to: the limiting part comprises a sliding block fixed on the cleaning part, and a sliding groove for the sliding block to slide is formed in the inner wall of the mud pool in a concave mode.

Adopt above-mentioned technical scheme, through the cooperation of slider and spout so that the clear brush piece moves along the horizontal direction, be favorable to restricting the movement track of the clear brush piece, make the clear brush piece more easily clear brush the in-process all the time with the diapire butt in mud pit, thereby be favorable to strengthening the clear brush effect of the clear brush piece, make the diapire in mud pit be difficult to deposit mud more, and then make the mud outlet be difficult to more blockked up.

The utility model discloses further set up to: the sliding block is provided with a first rolling part, and the first rolling part rolls along the sliding groove.

By adopting the technical scheme, the arrangement of the first rolling part on the sliding block is favorable for reducing the friction force between the sliding block and the sliding groove, so that the brushing part can move back and forth more easily by linkage, and further the mud bottom wall can not deposit mud more easily.

The utility model discloses further set up to: and a one-way bearing is fixed on the rotary drum.

By adopting the technical scheme, the unidirectional bearing is fixed on the rotary drum, so that the rotary drum can only move in a unidirectional way under the driving of slurry, the moving directions of the cleaning piece and the brushing piece can be controlled, the cleaning directions of the cleaning piece and the brushing piece are unified, and the cleaning efficiency is improved; simultaneously, make the rotary drum rotate more easily under the collision of mud for mud is difficult to and reciprocating motion repeatedly under the effect of mud, thereby makes cleaner and brush spare more easily by the linkage in order to clean the mud pond.

The utility model discloses further set up to: and a second rolling part is arranged on the inner wall of the through hole and is abutted against the belt.

By adopting the technical scheme, the arrangement that the second rolling part is arranged on the inner wall of the through hole and the second rolling part is abutted to the belt is beneficial to reducing the friction force between the belt and the inner wall of the through hole, so that the belt is easier to link, and the cleaning part and the brushing part are easier to link to clean the mud pit; simultaneously, still be favorable to reducing the clearance between belt and the through-hole inner wall to make the drilling mud that filters on the piece be difficult to fall into to mud pit diapire from the clearance of through-hole inner wall and belt, and then be favorable to improving the filter effect, make the mud that returns in the stake hole be difficult to contain the drilling mud.

The utility model discloses further set up to: the one end that the driven lever kept away from the driving lever articulates there is the carriage release lever, carriage release lever fixedly connected with movable plate, the piece of brushing including being fixed in the second brush hair on the movable plate and rotating the churn of connecting on the movable plate, the second brush hair all is located same side of movable plate with the churn, second brush hair and mud pit diapire butt.

Adopt above-mentioned technical scheme, be fixed with second brush hair and churn through the movable plate for when the diapire in scour mud pond is being washd to the piece of brushing, the churn can rotate at the motive force of mud, thereby is favorable to stirring the mud in the mud pond, makes the mud of mud pond diapire more easily and water misce bene, and then makes mud pond diapire be difficult to deposit mud more, makes the mud mouth be difficult to more blockked up.

The utility model discloses further set up to: and a plurality of stirring plates are fixed on the outer wall of the stirring cylinder.

Adopt above-mentioned technical scheme, be fixed with the setting of a plurality of stirring boards on the outer wall through the churn, be favorable to strengthening the stirring power of churn to mud for mud in the mud pond is easy more and water misce bene, thereby makes to be difficult to deposit mud in the mud pond, and then makes the grout outlet be difficult to blockking up.

The utility model discloses further set up to: and a plurality of stirring plates are obliquely arranged.

By adopting the technical scheme, the plurality of stirring plates are obliquely arranged, so that turbulence is formed in the process of stirring mud by the stirring cylinder, the mud in the mud tank is more easily mixed with water uniformly, the mud is not easily deposited in the mud tank, and the mud outlet is not easily blocked.

To sum up, the utility model discloses following beneficial effect has:

1. the rotating drum is driven to rotate by mud, and the mud pool is cleaned and brushed by the first linkage assembly and the second linkage assembly in linkage with the cleaning piece and the brushing piece, so that mud is not easy to deposit at the bottom of the mud pool, and a mud outlet is not easy to block;

2. the mud entering the mud inlet drives the rotary drum to rotate, and the first linkage assembly and the second linkage assembly are used for linking the cleaning piece and the cleaning piece to synchronously wash the mud tank, so that the cleaning force of the cleaning piece and the cleaning piece does not need external power, and the resources are saved;

3. the rotating drum is driven to rotate by the slurry entering the slurry inlet, and the cleaning piece and the brushing piece are linked by the first linkage component and the second linkage component to synchronously clean the slurry tank, so that the cleaning operation of the slurry tank can be automatically and synchronously carried out when the slurry is introduced into the slurry tank, manual cleaning is not needed, and labor resources are saved;

4. through the cleaning piece and the cleaning brush piece, the mud tank is cleaned, so that mud is not easy to deposit in the mud tank, the recycling rate of the mud is improved, and the utilization rate of resources is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of a hole cleaning system for drilling and pile building in the present invention;

fig. 2 is a schematic view of an internal structure of a hole cleaning system for drilling and pile-building in the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a pneumatic stirring device; 11. an air pump; 12. a breather pipe; 13. a mud pipe; 2. a mud pumping device; 21. a slurry pumping pipe; 22. a slurry pump; 23. a pulp outlet pipe; 3. a mud purification device; 31. a mud pit; 32. a pulp inlet; 33. a pulp outlet; 34. a slurry discharge pipe; 35. a filter member; 351. filtering with a screen; 4. pile holes; 5. a rotating drum; 51. a blade; 52. a first rotating shaft; 6. a first linkage assembly; 61. a driving wheel; 62. a belt; 63. a driven wheel; 7. cleaning the workpiece; 71. moving the plate; 72. a second bristle; 73. a mixing drum; 731. a stirring plate; 8. a cleaning member; 81. a second rotating shaft; 82. a first bristle; 83. stirring the plate; 9. a second linkage assembly; 91. a driving lever; 92. a driven lever; 93. a travel bar; 931. a limiting member; 9311. a slider; 9312. a first rolling member; 9313. a first ball bearing; 94. a vertical rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A hole cleaning system for drilling and pile making, see fig. 1, comprises a pneumatic stirring device 1, a slurry extraction device 2 and a slurry purification device 3.

Referring to fig. 1, the pneumatic stirring device 1 includes an air pump 11 and a ventilation pipe 12 communicated with the air pump 11, the ventilation pipe 12 is communicated with a mud pipe 13, and the mud pipe 13 is placed in the pile hole 4 and communicated with the pile hole 4.

Referring to fig. 1, the slurry pumping device 2 comprises a slurry pumping pipe 21 communicated with the slurry pipe 13 and a slurry pumping pump 22 communicated with the slurry pumping pipe 21, wherein a slurry outlet pipe 23 is also communicated with the slurry pumping pump 22.

Referring to fig. 2 and 3, the mud purifying device 3 includes a mud pit 31 communicated with the mud outlet pipe 23, the mud pit 31 is provided with a mud inlet 32 and a mud outlet 33, the mud inlet 32 is communicated with the mud outlet pipe 23, the mud outlet 33 is communicated with a mud discharging pipe 34, and the mud discharging pipe 34 is communicated with the pile hole 4.

Referring to fig. 2, the mud pit 31 is a hollow cuboid, the filter element 35 is fixedly connected in the mud pit 31, in this embodiment, the filter element 35 is a filter screen 351, the filter screen 351 covers the horizontal section of the mud pit 31, and the periphery of the filter screen 351 is fixedly connected with the inner wall of the mud pit 31 everywhere.

Referring to fig. 2, a rotating drum 5 is rotatably connected in the mud pit 31, a first rotating shaft 52 is fixedly connected to the axis position of the rotating drum 5, the length directions of the rotating drum 5 and the first rotating shaft 52 are both consistent with the width direction of the mud pit 31, and the rotating drum 5 is fixed at one end of the first rotating shaft 52 along the length direction. The rotary drum 5 faces the pulp inlet 32. The outer wall of the rotating drum 5 is fixed with a plurality of blades 51, the plurality of blades 51 are all rectangular plate-shaped, the length direction of the plurality of blades 51 is consistent with the length direction of the rotating drum 5, and the width direction of the blades 51 extends along the radial direction of the rotating drum 5. A plurality of vanes 51 are evenly distributed along the outer circumference of the drum 5. A one-way bearing (not shown) is fixed to the end of the first shaft 52 remote from the drum 5.

Referring to fig. 2 and 3, the cleaning member 8 is rotatably connected in the slurry tank 31, and the first linkage assembly 6 for linking the cleaning member 8 to rotate synchronously with the rotating drum 5 is arranged in the slurry tank 31. The first linkage assembly 6 comprises a driving wheel 61 fixedly connected with the first rotating shaft 52 and a driven wheel 63 fixedly connected with the cleaning piece 8, a belt 62 which is connected end to link the driving wheel 61 and the driven wheel 63 to synchronously rotate is arranged between the driving wheel 61 and the driven wheel 63, and the driving wheel 61 and the driven wheel 63 are wrapped by the belt 62.

Referring to fig. 2, the filter screen 351 is provided with a through hole (not shown) through which the belt 62 passes, and the inner wall of the through hole is rotatably connected with a second rolling member (not shown) which abuts against the belt 62.

Referring to fig. 2 and 3, the cleaning member 8 includes a second rotating shaft 81 fixedly connected to the driven wheel 63, a length direction of the second rotating shaft 81 is identical to a length direction of the first rotating shaft 52, and the driven wheel 63 is fixedly connected to one end of the second rotating shaft 81 along the length direction.

Referring to fig. 2 and 3, one end of the second rotating shaft 81 far away from the driven wheel 63 faces the pulp outlet 33, the outer wall of one end of the second rotating shaft 81 facing the pulp outlet 33 is fixed with first bristles 82, and the length direction of the first bristles 82 extends along the radial direction of the second rotating shaft 81. The outer wall of the second shaft 81 is further fixed with a stirring plate 83, and the stirring plate 83 is located on the outer wall of the second shaft 81 where the first bristles 82 are not located. The agitating plate 83 has a rectangular parallelepiped shape, the longitudinal direction of the agitating plate 83 coincides with the longitudinal direction of the second rotating shaft 81, and the width direction of the agitating plate 83 extends in the radial direction of the second rotating shaft 81.

Referring to fig. 2 and 3, a cleaning brush 7 and a second linkage assembly 9 which is used for synchronously reciprocating the cleaning brush 7 along the length direction of the mud pit 31 along with the rotation of the second rotating shaft 81 are also arranged in the mud pit 31. The second linkage assembly 9 comprises a driving rod 91 hinged to the end portion, close to one end of the first bristles 82, of the second rotating shaft 81, a driven rod 92 hinged to one end, away from the second rotating shaft 81, of the driving rod 91, a movable rod 93 hinged to one end, away from the driving rod 91, of the driven rod 92, and the length direction of the movable rod 93 is consistent with the width direction of the mud pit 31. One end of the moving rod 93, which is far away from the driven rod 92, is fixedly connected with a vertical rod 94, and the length direction of the vertical rod 94 is consistent with the height direction of the mud pit 31. The end of the vertical rod 94 far away from the moving rod 93 is fixedly connected with the moving plate 71, the moving plate 71 is in a rectangular plate shape, the length direction of the moving plate 71 is consistent with the length direction of the mud pit 31, and the width direction of the moving plate 71 is consistent with the width direction of the mud pit 31.

Referring to fig. 2 and 3, the brushing member 7 includes a second bristle 72 fixed on the moving plate 71 and a mixing drum 73 rotatably connected to the moving plate 71, and both the second bristle 72 and the mixing drum 73 are located on one side of the moving plate 71 close to the bottom wall of the mud pit 31. The second bristles 72 are spaced from the mixing drum 73. The churn 73 is cylindric, and the axial of churn 73 is unanimous with the direction of height in mud pit 31, and the outer wall of churn 73 still is fixed with a plurality of stirring boards 731, and a plurality of stirring boards 731 all inclines to set up.

Referring to fig. 2 and 3, the moving rod 93 is further provided with a limiting member 931 for limiting the moving rod 93 to move along the length direction of the mud pit 31, and in the present embodiment, the limiting member 931 includes a sliding block 9311 fixed to an end of the moving rod 93 far away from the vertical rod 94 and a sliding chute (not shown) recessed in the mud pit 31, and the sliding block 9311 slides along the sliding chute. A first rolling member 9312 is rotatably connected to the slider 9311, and in this embodiment, the first rolling member 9312 is a first ball 9313.

The working conditions and principles of the embodiment are as follows:

when the slurry in the slurry pipe 13 is pumped into the slurry tank 31 through the slurry pumping pipe 21, the slurry is introduced into the slurry tank 31 through the slurry inlet 32, and the slurry reaches the blades 51 of the rotating drum 5 through the slurry inlet 32 and drives the rotating drum 5 to rotate by starting the slurry pumping pump 22. The rotary drum 5 rotates and drives rather than fixed connection's action wheel 61 and rotate, thereby make belt 62 synchronous transmission, belt 62 transmission drives again and rotates from driving wheel 63, the rotation from driving wheel 63 drives second pivot 81 synchronous rotation, thereby make the first brush hair 82 in the second pivot 81 constantly clean and brush grout outlet 33, and then make grout outlet 33 department be difficult to deposit mud, make the mud of stirring board 83 stirring mud pond 31 bottom in the second pivot 81 simultaneously, thereby be favorable to mud and the water misce bene in mud pond 31, make mud be difficult to the deposit, and then make mud be difficult to deposit in the bottom in mud pond 31 more.

The rotation of the second rotating shaft 81 drives the driving rod 91 to synchronously rotate and is linked with the driven rod 92 to synchronously move, the driven rod 92 drives the moving plate 71 to slide along the sliding chute in a reciprocating manner, the moving plate 71 further drives the vertical rod 94 and the moving plate 71 to reciprocate along the length direction of the mud tank 31, and further the second bristles 72 continuously wash the bottom wall of the mud tank 31, so that mud is not easy to deposit on the bottom wall of the mud tank 31, meanwhile, in the reciprocating movement process of the moving plate 71, the stirring cylinder 73 on the moving plate 71 rotates along with the impact force of the mud, so that the mud in the mud tank 31 is stirred, the mud and water are uniformly mixed, the mud is not easy to deposit, and the mud outlet 33 is not easy to block; meanwhile, the mud in the mud tank 31 can be discharged into the pile hole 4 more completely, and the recycling rate of the mud can be improved.

The rotating drum 5 is driven to rotate by the slurry entering the slurry inlet 32, and the cleaning part 8 and the cleaning brush part 7 are linked by the first linkage component 6 and the second linkage component 9 to clean the slurry tank 31, so that external power is not required for cleaning the slurry tank 31, and energy resources are saved; meanwhile, the cleaning operation of the mud tank 31 can be automatically and simultaneously performed when the mud enters the mud tank 31, so that the mud tank 31 is more convenient to clean, the mud tank 31 does not need to be cleaned manually, and the labor resource is saved.

Through the setting that rotates on slider 9311 and be connected with first ball 9313, be favorable to reducing the frictional force between slider 9311 and the spout for the carriage release lever 93 is linked with reciprocating motion more easily, thereby makes second brush hair 72 and churn 73 be linked motion more easily, and then makes the mud in the mud pit 31 more easily stirred up, makes the diapire in the mud pit 31 be difficult to deposit mud more.

The arrangement that the unidirectional bearing is fixed on the rotary drum 5 enables the rotary direction of the rotary drum 5 to be single, thereby being beneficial to controlling the movement direction of the cleaning piece 8 and the cleaning brush piece 7 and further being beneficial to improving the cleaning efficiency; simultaneously, make rotary drum 5 rotate more easily under the washing away of mud, reduce the easy condition that reciprocates in the short time of relapseing of rotary drum 5 in order to lead to cleaner 8 and clear brush 7 to be difficult to by the linkage to be favorable to improving linkage efficiency, and then be favorable to improving cleaning efficiency, make in the mud pit 31 deposit mud more easily.

The arrangement that the second ball is connected with the inner wall of the through hole in a rotating mode and abuts against the belt 62 is beneficial to reducing the friction force between the belt 62 and the inner wall of the through hole, so that the belt 62 is easier to transmit, the linkage efficiency is improved, the cleaning piece 8 and the brushing piece 7 are easier to be linked, the cleaning efficiency is improved, and mud is less prone to being deposited in the mud tank 31; meanwhile, the second ball is beneficial to reducing the gap between the belt 62 and the inner wall of the through hole, so that the drilling slag on the filter screen 351 is not easy to fall to the bottom of the mud pit 31 through the gap, the filtering effect is beneficial to improving, and the mud returning to the pile hole 4 is not easy to contain the drilling slag.

Be connected with churn 73 through rotating on the movable plate 71, and be fixed with the setting of the stirring plate 731 that the slope set up on the churn 73, be favorable to forming the turbulent flow in the mud pit 31 to it is more even to be favorable to the mud and the water mixture in the mud pit 31, and then makes the interior deposit mud of being difficult to of mud pit 31, and then makes the grout outlet 33 be difficult to block up more.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. A hole cleaning system for drilling and pile building is characterized in that: the device comprises a pneumatic stirring device (1), a slurry extraction device (2) and a slurry purification device (3), wherein the slurry extraction device (2) comprises a slurry pumping pipe (21) communicated with a pile hole (4) and a slurry pumping pump (22) arranged on the slurry pumping pipe (21), the slurry purification device (3) comprises a slurry tank (31), a slurry inlet (32) and a slurry outlet (33) which are arranged on the slurry tank (31), the slurry inlet (32) is communicated with the slurry pumping pipe (21), the slurry outlet (33) is communicated with the pile hole (4), a filter piece (35) for filtering drilling slag is arranged in the slurry tank (31), a rotating drum (5) is rotationally connected in the slurry tank (31), the rotating drum (5) is right opposite to the slurry inlet (32), a plurality of blades (51) are fixed on the rotating drum (5), and the plurality of blades (51) extend along the radial direction of the rotating drum (5), the mud pit is characterized in that a cleaning piece (8) of a brushing slurry outlet (33) is rotationally connected in the mud pit (31), a first linkage assembly (6) which is used for linking the cleaning piece (8) to synchronously rotate along with a rotary drum (5) so as to clean the slurry outlet (33) is arranged in the mud pit (31), a brushing piece (7) which is used for brushing the bottom wall of the mud pit (31) is arranged in the mud pit (31), and a second linkage assembly (9) which is used for linking the brushing piece (7) to synchronously reciprocate along the bottom wall of the mud pit (31) so as to clean the bottom wall of the mud pit (31) is also arranged in the mud pit (31) and rotates along with the cleaning piece (8).

2. A hole cleaning system for drilling a pile according to claim 1, characterised in that: first linkage subassembly (6) including with rotary drum (5) fixed connection's action wheel (61) and with cleaning member (8) fixed connection from driving wheel (63), be equipped with end to end's belt (62) between action wheel (61) and follow driving wheel (63), belt (62) parcel action wheel (61) and follow driving wheel (63) rotate with linkage action wheel (61) and follow driving wheel (63) synchronous, it has the through-hole that supplies belt (62) to pass to open on filtering piece (35).

3. A hole cleaning system for drilling a pile according to any of claims 1-2, characterized in that: second linkage subassembly (9) include along with cleaning piece (8) synchronous pivoted drive lever (91), drive lever (91) are articulated with cleaning piece (8), the one end that cleaning piece (8) were kept away from in drive lever (91) articulates there is driven lever (92), driven lever (92) keep away from the one end of drive lever (91) and articulate with clear brush spare (7), still be equipped with restriction spare (931) of injecing clear brush spare (7) along the horizontal direction motion on clear brush spare (7).

4. A hole cleaning system for drilling a pile according to claim 3, characterised in that: the limiting piece (931) comprises a sliding block (9311) fixed on the cleaning brush piece (7), and a sliding groove for the sliding block (9311) to slide is formed in the inner wall of the mud pit (31) in a recessed mode.

5. A hole cleaning system for drilling a pile according to claim 4, characterised in that: a first rolling part (9312) is arranged on the sliding block (9311), and the first rolling part (9312) rolls along the sliding groove.

6. A hole cleaning system for drilling a pile according to claim 1, characterised in that: and a one-way bearing is fixed on the rotating cylinder (5).

7. A hole cleaning system for drilling a pile according to claim 2, characterised in that: and a second rolling part is arranged on the inner wall of the through hole and is abutted against the belt (62).

8. A hole cleaning system for drilling a pile according to claim 3, characterised in that: driven lever (92) keep away from the one end of driving lever (91) and articulate and have movable rod (93), movable rod (93) fixedly connected with movable plate (71), clear brush spare (7) including be fixed in second brush hair (72) on movable plate (71) and rotate churn (73) of connecting on movable plate (71), second brush hair (72) all are located the same side of movable plate (71) with churn (73), second brush hair (72) and mud pit (31) diapire butt.

9. A hole cleaning system for drilling a pile according to claim 8, characterised in that: a plurality of stirring plates (731) are fixed on the outer wall of the stirring cylinder (73).

10. A hole cleaning system for drilling a pile according to claim 9, characterised in that: the plurality of stirring plates (731) are all obliquely arranged.

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