A device for cleaning a borehole of a cast-in-place pile

Abstract

The application relates to a bored pile hole cleaning device and relates to the field of bored pile construction equipment. The bored pile hole cleaning device comprises a mounting seat, a pumping pipe and a pumping mechanism. The pumping pipe is connected with the pumping mechanism. The pumping mechanism pumps and transports sediment through the pumping pipe. The mounting seat is arranged at the top of the bored pile. The pumping pipe is in sliding cooperation with the mounting seat. A first driving mechanism is arranged on the mounting seat. The first driving mechanism drives the pumping pipe to move away from or close to the bottom of the bored pile. The bottom end of the pumping pipe is provided with a fixing seat. A crushing shaft coaxial with the pumping pipe is rotatably connected to the fixing seat. A second driving mechanism for driving the crushing shaft to rotate is arranged on the fixing seat. The crushing shaft is provided with a channel along the axial direction. The end of the pumping pipe is located in the channel. The outer side wall of the crushing shaft is provided with first crushing blades along the axial direction and the circumferential direction. The cooperation of the components in the application can avoid large-particle sediment from being directly sucked into the pumping pipe, thereby causing the pumping pipe to be blocked, and further improving the efficiency of hole cleaning operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cast-in-place pile construction equipment, in particular to a cast-in-place pile hole cleaning device. BACKGROUND

[0002] The cast-in-place pile refers to the pile formed by placing a steel reinforcement cage and pouring concrete into the pile hole drilled in the foundation by a machine; hole cleaning is an important process in the pile forming process of the bored pile, and in actual engineering construction, there are mud and stone residues in the pile hole formed by the machine, and the mud and stone residues form a hole bottom sediment, and when the hole bottom sediment is too thick, pouring concrete will cause interlayer, broken pile, and even waste pile, causing serious losses, so the hole bottom sediment needs to be cleaned during construction.

[0003] At present, sand and stone pumps and pump pipes are often used to clean the hole, the sand and stone pump is connected to the pump pipe, the pump pipe port extends to the bottom of the cast-in-place pile, and the sediment in the cast-in-place pile is sucked into the pump pipe through the pumping of the sand and stone pump, and the sediment is then pumped to the outside through the pump pipe, thereby completing the hole cleaning in the cast-in-place pile.

[0004] In actual operation, large particle sediments are inevitably present in the sediment, and after being sucked into the pump pipe, the large particle sediments are easy to cause blockage of the pump pipe, and at this time, additional pipe cleaning operation is required, which reduces the efficiency of hole cleaning operation. SUMMARY

[0005] In order to solve the problems in the above-mentioned technology, the present application provides a cast-in-place pile hole cleaning device.

[0006] The cast-in-place pile hole cleaning device provided by the present application adopts the following technical scheme:

[0007] A cast-in-place pile hole cleaning device, comprising a mounting seat, a pumping pipe and a pumping mechanism, the pumping pipe is connected to the pumping mechanism, the pumping mechanism pumps the sediment through the pumping pipe, the mounting seat is arranged at the top of the cast-in-place pile, the pumping pipe is in sliding cooperation with the mounting seat, a first driving mechanism is arranged on the mounting seat, the first driving mechanism is used to drive the pumping pipe to move away from or close to the bottom of the cast-in-place pile; a fixing seat is arranged at the bottom end of the pumping pipe, a crushing shaft coaxial with the pumping pipe is rotatably connected to the fixing seat, a second driving mechanism for driving the crushing shaft to rotate is arranged on the fixing seat, a channel is formed in the crushing shaft along the axial direction, the end portion of the pumping pipe is located in the channel, and the outer side wall of the crushing shaft is provided with a first crushing blade along the axial direction and the circumferential direction.

[0008] By adopting the technical scheme, when the device is used for hole cleaning, the mounting base is installed on the top of the cast-in-place pile, the device is supported by the mounting base, the first driving mechanism drives the suction pipe to slide relative to the mounting base, so that the suction pipe drives the fixing seat to slide in the direction of approaching the bottom of the cast-in-place pile, the fixing seat further drives the crushing shaft and the first crushing blade to move, since the end of the suction pipe is located in the channel, the crushing shaft will first contact the bottom of the cast-in-place pile, at this time, the first driving mechanism stops working, the second driving mechanism drives the crushing shaft to rotate, the rotation of the crushing shaft drives the first crushing blade to rotate, in the process of the rotation of the first crushing blade, the large-particle sediment is crushed to be small-particle, and the suction mechanism further sucks the sediment to the outside through the suction pipe, so that the hole cleaning is performed; in the above process, the cooperation of the components can avoid that the large-particle sediment is directly sucked into the suction pipe, so as to cause the suction pipe to be blocked, and the efficiency of the hole cleaning operation is further improved.

[0009] Optionally, the mounting base comprises a mounting plate, a stand is arranged on the mounting plate, an annular cavity for sliding of the suction pipe is formed in the middle of the mounting plate, mounting feet are uniformly distributed on the mounting plate along the circumference of the annular cavity, the mounting feet are in sliding connection with the mounting plate, and an L-shaped clamping plate is arranged at the end of each mounting foot.

[0010] By adopting the technical scheme, the L-shaped clamping plate comprises a horizontal part and a vertical part, when the mounting base supports the device as a whole, the third driving mechanism drives the end of the push rod to slide on the stand, the other end of the push rod drives the corresponding mounting feet to slide and expand, the two L-shaped clamping plates are away from each other, the sliding ranges of the plurality of L-shaped clamping plates are consistent, until the vertical part of the L-shaped clamping plate abuts against the inner side wall of the cast-in-place pile and the horizontal part abuts against the top of the cast-in-place pile, so that the mounting plate is fixed in the middle of the cast-in-place pile, the annular cavity is located in the middle of the mounting plate, and the suction pipe slides in the annular cavity, so that the suction pipe is always kept in the middle of the mounting plate in the working process, so that each region of the cast-in-place pile can be uniformly cleaned in the working process of the device as a whole, and the cleaning effect of each region is uniform, so that some regions can be fully cleaned.

[0011] Optionally, the stand comprises a fixed frame fixed on the mounting plate, a movable frame is slidably arranged on the fixed frame, the third driving member comprises a telescopic member arranged on the fixed frame, and the telescopic movement of the telescopic member drives the movable frame to slide.

[0012] By adopting the above technical scheme, the telescopic movement of the telescopic part drives the sliding movement of the movable frame on the stand, and then drives the synchronous movement of the plurality of push rods, thereby ensuring the synchronization of the sliding movement of the plurality of mounting feet.

[0013] Optionally, a plurality of matching cavities are formed in the mounting plate, each matching cavity slidingly having a mounting foot, and each matching cavity having a first spring arranged therein, with the first spring being fixedly connected to the corresponding mounting foot at the end thereof.

[0014] By adopting the above technical scheme, when the mounting plate is installed and fixed, the first spring is in a compressed state, and even if the device is shaken or impacted during operation, the pushing of the second spring can still make the L-shaped clamping plate abut against the cast-in-place pile, thereby improving the stability of the device during operation and avoiding the influence of external shaking on the device.

[0015] Optionally, the annular cavity is circumferentially uniformly distributed with a plurality of rolling balls.

[0016] By adopting the above technical scheme, when the pumping pipe slides in the annular cavity, the rolling balls contact and roll with the pumping pipe, thereby improving the flexibility of the pumping pipe during sliding.

[0017] Optionally, the channel is provided with a plurality of second crushing blades, and the plurality of second crushing blades are uniformly distributed along the circumference of the crushing shaft.

[0018] By adopting the above technical scheme, during the rotation of the crushing shaft driven by the second driving mechanism, the first crushing blade rotates with the crushing shaft, and at the same time, the second crushing blade rotates synchronously. Since the sediment enters the pumping pipe through the end of the pumping pipe and is then pumped to the outside, a large amount of sediment will accumulate at the end of the pumping pipe. The rotation of the second crushing blade crushes these sediments again, further ensuring the crushing effect.

[0019] Optionally, the end of the pumping pipe is fixed with a filter plate.

[0020] By adopting the above technical scheme, the filter plate filters and intercepts large-particle sediments, avoiding the blockage of the pumping pipe by large-particle sediments.

[0021] Optionally, the fixing seat is provided with a fixing rod, the fixing rod is coaxially and slidingly connected with a supporting leg, and the supporting leg is rotatably connected with a roller; the fixing rod is provided with a second spring, one end of the second spring is fixedly connected to the fixing rod, and the other end is fixedly connected to the supporting leg.

[0022] By adopting the technical scheme, in the process that the second driving mechanism drives the pumping pipe to move, the fixed seat moves in the bored pile together with the pumping pipe, the second spring drives the supporting leg to slide relative to the fixed rod, the roller contacts the inner side wall of the bored pile, the roller rolls in the process of moving with the fixed seat, and the stability of the fixed seat in the moving process is improved, further support is provided for the movement of the fixed seat, the stability of the pumping pipe and the crushing shaft in the moving process is improved, and shaking of the pumping pipe in the operation of the pumping mechanism is avoided.

[0023] Optionally, the first driving mechanism comprises a guide frame arranged on the mounting seat, the guide frame is arranged on the side of the mounting seat away from the fixed seat, a first motor is arranged on the guide frame, a lead screw is coaxially and fixedly connected to the output shaft of the driving motor, the lead screw is rotationally connected to the guide frame, a driving plate is fixed on the lead screw nut of the lead screw, and the driving plate is fixedly connected to the pumping pipe.

[0024] By adopting the technical scheme, rotation of the output shaft of the first motor drives the lead screw to rotate, the rotation of the lead screw drives the driving plate to move, the driving plate further drives the pumping pipe to move, the forward rotation and reverse rotation of the output shaft of the first motor are controlled to control the pumping pipe to move away from or close to the bottom of the bored pile, and the guide frame is arranged on the side of the mounting seat away from the fixed seat, so that the sludge or mud in the bored pile is prevented from adhering to the driving motor and / or the lead screw in the operation of the device, and the operation of the first driving mechanism as a whole is affected.

[0025] Optionally, the second driving mechanism comprises a second motor arranged in the fixed seat, a gear is coaxially and fixedly connected to the output shaft of the second motor, and a coaxial gear ring is fixed to the outer side wall of the crushing shaft, and the gear ring is engaged with the gear.

[0026] By adopting the technical scheme, rotation of the output shaft of the second motor drives the gear to rotate, the rotation of the gear further drives the gear ring to rotate, and the crushing shaft is sequentially driven to rotate, and the first crushing blade rotates to perform crushing treatment.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] 1. The large-particle sludge is prevented from being directly sucked into the pumping pipe, the pumping pipe is prevented from being blocked, and the efficiency of hole cleaning is improved;

[0029] 2. The pumping pipe is always kept in the middle of the mounting plate during the working process, so that each area of the bored pile can be uniformly cleaned during the working process of the device as a whole, and the cleaning effect of each area is prevented from being different due to the position deviation of the pumping pipe, so that some areas are difficult to be fully cleaned;

[0030] 3. In the process that the second driving mechanism drives the crushing shaft to rotate, the first crushing blade rotates along with the crushing shaft, and at the same time, the second crushing blade rotates synchronously, and since the sediment enters the pumping pipe through the end of the pumping pipe and is then pumped to the outside, a large amount of sediment will be accumulated to the end of the pumping pipe, and the rotation of the second crushing blade performs secondary crushing on the sediment, thereby further ensuring the crushing effect. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic view of the overall structure of a hole cleaning device for a cast-in-place pile in the embodiment of the present application;

[0032] Figure 2 is Figure 1 a sectional view of

[0033] Figure 3 is Figure 2 an enlarged view of part A in

[0034] Figure 4 is Figure 2 an enlarged view of part B in

[0035] Figure 5 is Figure 2 an enlarged view of part C in

[0036] BRIEF DESCRIPTION OF DRAWINGS: 1, mounting seat; 101, mounting plate; 102, fixed frame; 103, movable frame; 104, telescopic part; 1041, telescopic rod; 105, mounting foot; 106, L-shaped clamping plate; 1061, horizontal part; 1062, vertical part; 107, push rod; 2, pumping pipe; 3, pumping mechanism; 4, first driving mechanism; 401, guide frame; 402, first motor; 403, screw rod; 404, driving plate; 5, fixed seat; 6, crushing shaft; 7, second driving mechanism; 701, second motor; 702, gear; 703, gear ring; 8, channel; 9, first crushing blade; 10, annular cavity; 11, matching cavity; 12, first spring; 13, ball; 14, second crushing blade; 15, filter plate; 16, fixed rod; 17, supporting foot; 18, roller; 19, second spring; 20, movable rod; 21, cast-in-place pile. DETAILED DESCRIPTION

[0037] The present application will be further described below in conjunction with the accompanying drawings. Figures 1-5 The present application will be further described below in conjunction with the accompanying drawings.

[0038] The embodiment of the present application discloses a hole cleaning device for a cast-in-place pile. Referring to Figure 1 and Figure 2The hole cleaning device of the cast-in-place pile 21 comprises a mounting seat 1, a pumping pipe 2 and a pumping mechanism 3. The pumping pipe 2 is connected with the pumping mechanism 3. The pumping mechanism 3 pumps the sediment through the pumping pipe 2. The mounting seat 1 is arranged on the top of the cast-in-place pile 21. The pumping pipe 2 is slidingly connected with the mounting seat 1. The first driving mechanism 4 is arranged on the mounting seat 1. The first driving mechanism 4 drives the pumping pipe 2 to move away from or close to the bottom of the cast-in-place pile 21. The bottom end of the pumping pipe 2 is provided with a fixing seat 5. The fixing seat 5 is rotatably connected with a crushing shaft 6 coaxial with the pumping pipe 2. The fixing seat 5 is provided with the second driving mechanism 7 for driving the crushing shaft 6 to rotate. The crushing shaft 6 is provided with a channel 8 along the axial direction. The end of the pumping pipe 2 is located in the channel 8. The outer side wall of the crushing shaft 6 is provided with the first crushing blade 9 along the axial direction and the circumferential direction.

[0039] With reference to Figure 2 and Figure 3 , the inner side wall of the bottom end of the pumping pipe 2 is fixed with a filter plate 15. The inner wall of the channel 8 is fixed with a plurality of second crushing blades 14. The plurality of second crushing blades 14 are evenly distributed along the axial direction and the circumferential direction of the crushing shaft 6, respectively. The plurality of second crushing blades 14 and the plurality of first crushing blades 9 are spirally distributed on the crushing shaft 6. The filter plate 15 filters and intercepts large-particle sediment, so that the large-particle sediment is prevented from being sucked into the pumping pipe 2. In the process of driving the crushing shaft 6 to rotate by the second driving mechanism 7, the first crushing blade 9 rotates with the crushing shaft 6. At the same time, the second crushing blade 14 rotates synchronously. Since the sediment enters the pumping pipe 2 through the end of the pumping pipe 2 and is then pumped to the outside, a large amount of sediment will accumulate at the end of the pumping pipe 2. The rotation of the second crushing blade 14 breaks the sediment again.

[0040] With reference to Figure 2 and Figure 4 , the second driving mechanism 7 comprises a second motor 701 arranged in the fixing seat 5. The second motor 701 is a waterproof motor. The output shaft of the second motor 701 is coaxially fixedly connected with a gear 702. The outer side wall of the crushing shaft 6 is fixed with a coaxial gear ring 703. The gear ring 703 is engaged with the gear 702. The rotation of the output shaft of the second motor 701 drives the gear 702 to rotate. The rotation of the gear 702 drives the gear ring 703 to rotate, which in turn drives the crushing shaft 6 to rotate. The first crushing blade 9 rotates to break the sediment.

[0041] With reference to Figure 2 and Figure 4The fixed seat 5 is provided with a fixed rod 16, the fixed rod 16 is coaxially and slidingly connected with a supporting leg 17, the supporting leg 17 is rotatably connected with a roller 18; the fixed rod 16 is provided with a second spring 19, one end of the second spring 19 is fixedly connected with the fixed rod 16, and the other end is fixedly connected with the supporting leg 17; in the process that the second motor 701 drives the suction and delivery pipe 2 to move, the fixed seat 5 in the cast-in-place pile 21 moves together with the suction and delivery pipe 2, the second spring 19 pushes the supporting leg 17 to slide relative to the fixed rod 16, so that the roller 18 contacts the inner side wall of the cast-in-place pile 21, the roller 18 rolls in the process of moving together with the fixed seat 5, thereby improving the stability of the fixed seat 5 in the moving process, and further supporting the movement of the fixed seat 5, thereby improving the stability of the suction and delivery pipe 2 and the crushing shaft 6 in the moving process.

[0042] With reference to Figure 1 and Figure 2 The first driving mechanism 4 comprises a guide frame 401 arranged on the mounting seat 1, the guide frame 401 is arranged on the side of the mounting seat 1 away from the fixed seat 5, the guide frame 401 is provided with a first motor 402, the output shaft of the driving motor is coaxially and fixedly connected with a lead screw 403, the lead screw 403 is rotatably connected with the guide frame 401, the lead screw nut of the lead screw 403 is fixedly connected with a driving plate 404, the driving plate 404 is fixedly connected with the suction and delivery pipe 2, the suction and delivery mechanism 3 is arranged on the driving plate 404, the driving plate 404 supports the suction and delivery mechanism 3, and the stand is fixedly connected with a movable rod 20, the movable rod 20 penetrates the driving plate 404 and is slidingly connected with the driving plate 404, so as to improve the stability of the driving plate 404 in the moving process; the rotation of the output shaft of the first motor 402 drives the rotation of the lead screw 403, the rotation of the lead screw 403 drives the movement of the driving plate 404, the driving plate 404 further drives the movement of the suction and delivery pipe 2, the forward rotation and the reverse rotation of the output shaft of the first motor 402 are controlled, so as to control the movement of the suction and delivery pipe 2 in the direction away from or close to the bottom of the cast-in-place pile 21; by arranging the guide frame 401 on the side of the mounting seat 1 away from the fixed seat 5, the sludge or mud in the cast-in-place pile 21 can be prevented from adhering to the driving motor and / or the lead screw 403 in the operation of the device, thereby affecting the operation of the first driving mechanism 4 as a whole.

[0043] With reference to Figure 2 and Figure 5The mounting base 1 comprises a mounting plate 101, a fixed frame 102 is fixed on the mounting plate 101, a ring-shaped cavity 10 for sliding of the pumping pipe 2 is formed in the middle of the mounting plate 101, mounting feet 105 are uniformly distributed along the circumference of the ring-shaped cavity 10 on the mounting plate 101, and the mounting feet 105 are in sliding connection with the mounting plate 101; a plurality of matching cavities 11 are formed in the mounting plate 101, each of the matching cavities 11 is slidably provided with a mounting foot 105, each of the matching cavities 11 is provided with a first spring 12, one end of the first spring 12 is fixedly connected with the mounting plate 101, and the other end of the first spring 12 is fixedly connected with the corresponding mounting foot 105; each of the mounting feet 105 is provided with an L-shaped clamping plate 106 at the end; each of the mounting feet 105 is hingedly provided with a push rod 107; the fixed frame 102 is slidably provided with a movable frame 103, one end of the push rod 107 away from the mounting foot 105 is hingedly connected with the movable frame 103, and a telescopic rod 1041 is mounted on the fixed frame 102, a fixed end of the telescopic rod 1041 is fixed on the fixed frame 102, and a movable end of the telescopic rod 1041 is fixedly connected with the movable frame 103.

[0044] In the embodiment of the present application, the telescopic member 104 is selected as a waterproof electric telescopic rod 1041.

[0045] The L-shaped clamping plate 106 comprises a horizontal part 1061 and a vertical part 1062, when the device is supported by the mounting base 1 as a whole, the telescopic movement of the telescopic rod 1041 drives the synchronous movement of the plurality of push rods 107, and then the synchronous sliding expansion of the plurality of mounting feet 105, the relative two L-shaped clamping plates 106 are away from each other, the sliding ranges of the plurality of L-shaped clamping plates 106 are consistent, until the vertical part 1062 of the L-shaped clamping plate 106 abuts against the inner side wall of the bored pile 21, and the horizontal part 1061 abuts against the top of the bored pile 21, so that the mounting plate 101 is fixed in the middle of the bored pile 21, the ring-shaped cavity 10 is located in the middle of the mounting plate 101, and the pumping pipe 2 is located in the ring-shaped cavity 10 for sliding, so that the pumping pipe 2 is always kept in the middle of the mounting plate 101 during the working process, so that each area of the bored pile 21 can be uniformly cleaned during the working process of the device as a whole, and the position deviation of the pumping pipe 2 is avoided; when the mounting plate 101 is fixedly installed, the first spring 12 is in a compressed state, and even if the device is shaken or impacted during the working process, the pushing of the second spring 19 can still make the L-shaped clamping plate 106 abut against the bored pile 21.

[0046] With reference to Figure 5 The ring-shaped cavity 10 is uniformly provided with a plurality of rolling balls 13 along the circumference, when the pumping pipe 2 slides in the ring-shaped cavity 10, the rolling balls 13 are in contact with the pumping pipe 2 and roll, so as to improve the flexibility of the pumping pipe 2 during the sliding process.

[0047] The implementation principle of the pile hole cleaning device is as follows: when the device is used for cleaning the hole, the mounting plate 101 is mounted on the top of the cast-in-place pile 21, the telescopic rod 1041 drives the sliding of the movable frame 103 to drive the sliding and unfolding of the mounting frame, so that the vertical part 1062 of the L-shaped clamping plate 106 abuts against the inner side wall of the cast-in-place pile 21 and the horizontal part 1061 abuts against the top of the cast-in-place pile 21, so that the mounting plate 101 is fixed in the middle of the cast-in-place pile 21, and the suction pipe 2 is always kept in the middle of the mounting plate 101 during the working process; the operation of the first motor 402 drives the suction pipe 2 to slide relative to the mounting seat 1, so that the suction pipe 2 drives the fixing seat 5 to slide in the direction of approaching the bottom of the cast-in-place pile 21, the fixing seat 5 in turn drives the broken shaft 6 and the first broken blade 9 to move, since the end of the suction pipe 2 is located in the channel 8, so that the broken shaft 6 will first contact the bottom of the cast-in-place pile 21, at this time, the operation of the first motor 402 is stopped, the operation of the second motor 701 drives the broken shaft 6 to rotate, the rotation of the broken shaft 6 drives the first broken blade 9 to rotate, in the process of the rotation of the first broken blade 9, the large-particle sediment is broken to be small-particle, the suction mechanism 3 sucks the sediment to the outside through the suction pipe 2, so as to clean the hole; in the above process, the cooperation of the components can avoid that the large-particle sediment is directly sucked into the suction pipe 2, so as to cause the blockage of the suction pipe 2, and in turn improve the efficiency of the hole cleaning operation.

[0048] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A hole cleaning device for cast-in-place piles, characterized in that: The system includes a mounting base (1), a pumping pipe (2), and a pumping mechanism (3). The pumping pipe (2) is connected to the pumping mechanism (3), and the pumping mechanism (3) pumps sediment through the pumping pipe (2). The mounting base (1) is located on the top of the cast-in-place pile (21), and the pumping pipe (2) is slidably engaged with the mounting base (1). A first driving mechanism (4) is provided on the mounting base (1), which drives the pumping pipe (2) to move away from or near the cast-in-place pile (21). 1) Bottom direction movement; a fixed seat (5) is provided at the bottom end of the extraction pipe (2), and a crushing shaft (6) coaxial with the extraction pipe (2) is rotatably connected to the fixed seat (5). A second driving mechanism (7) for driving the crushing shaft (6) to rotate is provided on the fixed seat (5). A channel (8) is opened along the axial direction of the crushing shaft (6). The end of the extraction pipe (2) is located in the channel (8). The outer side wall of the crushing shaft (6) is provided with a first crushing blade (9) along the axial and circumferential directions. The mounting base (1) includes a mounting plate (101), on which a support frame is provided. An annular cavity (10) for sliding of the extraction tube (2) is opened in the middle of the mounting plate (101). Mounting feet (105) are evenly distributed around the annular cavity (10) on the mounting plate (101). The mounting feet (105) are slidably connected to the mounting plate (101). Each mounting foot (105) has an L-shaped clamping plate (106) at its end. Each mounting foot (105) is hinged with a push rod (107). The end of the push rod (107) away from the mounting foot (105) is hinged to the support frame. A third driving mechanism for driving the push rod (107) to slide is provided on the support frame. The support frame includes a fixed frame (102) fixed to the mounting plate (101), and a movable frame (103) is slidably mounted on the fixed frame (102). The third driving member includes a telescopic member (104) mounted on the fixed frame (102). The telescopic movement of the telescopic member (104) drives the movable frame (103) to slide. Each push rod (107) is hinged to the movable frame (103). The first driving mechanism (4) includes a guide frame (401) disposed on the mounting base (1). The guide frame (401) is disposed on the side of the mounting base (1) away from the fixed base (5). A first motor (402) is disposed on the guide frame (401). A lead screw (403) is coaxially fixedly connected to the output shaft of the first motor (402). The lead screw (403) is rotatably connected to the guide frame (401). A driving plate (404) is fixed on the lead screw (403) nut. The driving plate (404) is fixedly connected to the extraction tube (2).

2. The hole cleaning device for cast-in-place piles according to claim 1, characterized in that: The mounting plate (101) has multiple mating cavities (11), each mating cavity (11) has a sliding mounting foot (105), and each mating cavity (11) is provided with a first spring (12), the end of the first spring (12) being fixedly connected to the corresponding mounting foot (105).

3. The hole cleaning device for cast-in-place piles according to claim 1, characterized in that: The annular cavity (10) is circumferentially distributed with balls (13).

4. The hole cleaning device for cast-in-place piles according to claim 1, characterized in that: The channel (8) is provided with a plurality of second crushing blades (14), which are evenly distributed around the crushing shaft (6).

5. A hole cleaning device for cast-in-place piles according to claim 1, characterized in that: A filter plate (15) is fixed to the end of the pumping pipe (2).

6. A hole cleaning device for cast-in-place piles according to claim 1, characterized in that: A fixing rod (16) is provided on the fixing base (5), and a support foot (17) is slidably connected to the fixing rod (16) on the same axis. A roller (18) is rotatably connected to the support foot (17). A second spring (19) is provided inside the fixing rod (16), and one end of the second spring (19) is fixedly connected to the fixing rod (16), and the other end is fixedly connected to the support foot (17).

7. A hole cleaning device for cast-in-place piles according to claim 1, characterized in that: The second drive mechanism (7) includes a second motor (701) disposed in the fixed base (5). The output shaft of the second motor (701) is coaxially fixedly connected to a gear (702). A coaxial gear ring (703) is fixed to the outer wall of the crushing shaft (6). The gear ring (703) meshes with the gear (702).

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