Drilling cleaning device for rotary excavating cast-in-place pile

By designing a rotary drilling and grouting pile borehole cleaning device with a mixing rod and a crushing rod, the problems of sediment and mud blockage were solved, the pumping efficiency was improved, and the mixing rod can be flexibly replaced to adapt to different borehole diameters.

CN223510884UActive Publication Date: 2025-11-04KUNMING TIEXIN CONSTR ENG MANAGEMENT CO LTD
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Patent Information

Application Number
CN202422869375.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-04
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing rotary drilling and cleaning devices for cast-in-place piles are inconvenient for mixing sediment and mud, which makes it easy for sediment and mud to clog the pumping pipe and affect pumping efficiency.

Method used

A rotary drilling and grouting pile borehole cleaning device was designed, comprising a stirring rod, a crushing rod, a hydraulic cylinder, a drive motor, and a sewage pump. The stirring rod and crushing rod are driven by the hydraulic cylinder to descend and rotate, crushing sediment and mud. The sewage pump and filter holes prevent clogging, thus achieving effective cleaning.

Benefits of technology

It achieves effective crushing of sediment and slurry, prevents clogging, improves pumping efficiency, and supports convenient replacement of the stirring rod to adapt to different orifice diameters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cast-in-place pile construction, and discloses a rotary excavating cast-in-place pile drilling cleaning device which comprises a frame, a partition plate is fixedly connected to the bottom end in the frame, and hanging rings are fixedly connected to the two sides of the top end of the frame. According to the rotary excavating cast-in-place pile drilling cleaning device, stirring rods, a driving motor and a baffle are arranged, a hydraulic cylinder drives the driving motor and a rotating shaft to descend, and therefore the stirring rods and smashing rods can descend out of a partition plate, then the driving motor is started, and the driving motor drives the stirring rods and the smashing rods at the bottom ends of the stirring rods to rotate through the rotating shaft; a stirring rod and a crushing rod stir residues and slurry at the bottom end in a drill hole, the residues and the slurry are crushed, the situation that the residues and the slurry block the interior of a slurry pumping pipe during slurry pumping and affect the drill hole cleaning efficiency is prevented, and the problems that sediment and slurry are inconvenient to stir, sediment and slurry are crushed, and the cleaning efficiency of the drill hole is affected are solved. And the inside of the slurry pumping pipe is easily blocked to influence the slurry pumping efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bored pile construction technology, concretely to a rotary drilling bored pile drilling cleaning device. BACKGROUND

[0002] The bored pile is formed by mechanical drilling, steel pipe soil extrusion or manpower excavation in the engineering site, and the bottom end of the pile hole is provided with sediment and mud slurry, which will affect the quality of the poured reinforced concrete, so a rotary drilling bored pile drilling cleaning device is needed to clean the sediment and mud slurry in the pile hole.

[0003] The common rotary drilling bored pile drilling cleaning device still has some problems, for example, part of the sediment and mud slurry will be blocked in the inside of the mud pumping pipe, which is not convenient for stirring the sediment and mud slurry, crushing the sediment and mud slurry, and easily blocking the inside of the mud pumping pipe to affect the mud pumping efficiency.

[0004] Therefore, we propose a rotary drilling bored pile drilling cleaning device to improve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a rotary drilling bored pile drilling cleaning device to solve the problem of not being convenient for stirring the sediment and mud slurry, crushing the sediment and mud slurry, and easily blocking the inside of the mud pumping pipe to affect the mud pumping efficiency in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a rotary drilling bored pile drilling cleaning device, including the frame, the bottom end fixedly connected with the baffle in the inside of frame, the both sides fixedly connected with the ring in the top of frame, the middle position is provided with the cavity in the inside of frame, the top of cavity inside is installed with the hydraulic cylinder, the bottom of hydraulic cylinder is installed with the drive motor, the output fixedly connected with the shaft of drive motor, the top of shaft outside is installed with the baffle, the bottom of both sides of shaft is provided with the stirring rod, the bottom fixedly connected with the rubbing bar of stirring rod.

[0007] As a further technical scheme of the utility model, the rubbing bar is arranged at equal intervals at the bottom of the stirring rod.

[0008] As a further technical scheme of the utility model, the baffle is arranged at the bottom inside the cavity, and the baffle and the drive motor slide up and down in the inside of the cavity.

[0009] As a further technical scheme of the utility model, the left side of the frame is provided with a sewage pump, the output end of the sewage pump is fixedly connected with a discharge pipe, the input end of the sewage pump is provided with a hose, the bottom end of the hose is fixedly connected with a branch pipe, the left and right sides of the front and back ends of the branch pipe are fixedly connected with suction pipes, and the outer side wall of the frame is provided with filter holes.

[0010] As a further technical scheme of the utility model, the suction pipes are provided with four groups, and the bottom ends of the suction pipes are arranged at the front and back ends of the left and right sides inside the frame.

[0011] As a further technical scheme of the utility model, the middle position inside the partition plate is provided with a sealing sleeve, the sealing sleeve is arranged outside the rotating shaft, and the rotating shaft penetrates the middle position inside the partition plate.

[0012] As a further technical scheme of the utility model, the bottom ends of the left and right sides of the rotating shaft are fixedly connected with mounting blocks, the side close to the middle inside the stirring rod is provided with a mounting groove, the mounting groove and the right side inside the stirring rod are provided with mounting holes, and the inside of the mounting holes is provided with mounting bolts.

[0013] As a further technical scheme of the utility model, the mounting blocks are embedded inside the mounting groove, and the mounting blocks are fixed inside the mounting groove through the mounting bolts and the mounting holes.

[0014] Compared with the prior art, the utility model has the advantages that the rotary drilling pile drilling cleaning device can conveniently crush the residues and mud slurry, conveniently extract the mud slurry, and conveniently disassemble and replace the stirring assembly.

[0015] (1) By setting the stirring rod, the crushing rod, the hydraulic cylinder, the cavity, the sealing sleeve, the rotating shaft, the driving motor and the baffle, the hydraulic cylinder drives the driving motor and the rotating shaft to descend, so that the stirring rod and the crushing rod can descend out of the inside of the partition plate, then the driving motor is started, the driving motor drives the stirring rod and the crushing rod at the bottom end of the stirring rod to rotate through the rotating shaft, the stirring rod and the crushing rod are used for stirring the residues and mud slurry at the bottom end inside the drilling hole, the residues and mud slurry are crushed, and the residues and mud slurry are prevented from being blocked in the inside of the suction pipe to affect the drilling cleaning efficiency during mud pumping;

[0016] (2) By setting the suction pipe, the branch pipe, the discharge pipe, the sewage pump, the hose and the filter hole, the sewage pump is started, the sewage pump extracts the mud slurry in the inside of the frame through the hose and the suction pipe, the filter hole of the outer side wall of the frame can filter the mud slurry, larger residues are prevented from entering the inside of the frame, so that the inside of the suction pipe can be further prevented from being blocked, and the extracted residues and mud slurry are discharged through the discharge pipe.

[0017] (3) by being provided with mounting slot, mounting block, mounting bolt and mounting hole, when the length of the stirring rod needs to be disassembled and replaced, the mounting bolt is screwed out from the inside of the mounting hole to make the stirring rod lose fixation, after the stirring rod loses fixation, the stirring rod can be taken out from the outside of the mounting block, after being taken out, a stirring rod with appropriate length can be taken according to the requirement, then the mounting slot in the stirring rod is sleeved on the outside of the mounting block, after being sleeved, the mounting bolt is screwed into the inside of the mounting hole to fix the stirring rod, and the replacement of the stirring rod is completed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0019] Figure 2 It is a frame side view structure schematic view of the utility model;

[0020] Figure 3 It is a stirring rod front view enlarged structure schematic view of the utility model;

[0021] Figure 4 It is a Figure 2 It is a section A enlarged structure schematic view of the utility model.

[0022] In the drawing: 1, frame; 2, stirring rod; 3, crushing rod; 4, partition; 5, slurry extraction pipe; 6, hanging ring; 7, branch pipe; 8, discharge pipe; 9, sewage pump; 10, hose; 11, hydraulic cylinder; 12, cavity; 13, sealing sleeve; 14, rotating shaft; 15, filter hole; 16, driving motor; 17, baffle; 18, mounting slot; 19, mounting block; 20, mounting bolt; 21, mounting hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4The utility model provides a kind of embodiment;A rotary drilling bored pile drilling cleaning device, the bottom end fixedly connected with baffle 4 in the inside of frame 1, the both sides fixedly connected with ring 6 in the top of frame 1, the middle position of the inside of frame 1 is provided with cavity 12, the top of the inside of cavity 12 is equipped with hydraulic cylinder 11, the bottom end of hydraulic cylinder 11 is equipped with driving motor 16, the output of driving motor 16 is fixedly connected with shaft 14, the top of the outside of shaft 14 is equipped with baffle 17, the bottom end of the both sides of shaft 14 is provided with stirring rod 2, the bottom end of stirring rod 2 is fixedly connected with pulverizer rod 3;

[0025] Pulverizer rod 3 is provided with multiple groups, and the bottom end of stirring rod 2 is arranged at equal intervals, the bottom end of baffle 17 is arranged in the inside of cavity 12, and baffle 17 and driving motor 16 slide up and down in the inside of cavity 12.

[0026] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , start hydraulic cylinder 11, driving motor 16 and shaft 14 are lowered by hydraulic cylinder 11, so that stirring rod 2 and pulverizer rod 3 can be lowered out of the inside of baffle 4, then start driving motor 16 again, driving motor 16 drives stirring rod 2 and pulverizer rod 3 at the bottom end of stirring rod 2 to rotate through shaft 14, so that stirring rod 2 and pulverizer rod 3 can stir the residue and mud at the bottom end of the inside of the hole, so that the residue and mud can be crushed, to prevent the residue and mud from being blocked in the inside of suction pipe 5 when pumping, affecting the drilling cleaning efficiency.

[0027] The left side of frame 1 is provided with sewage pump 9, the output of sewage pump 9 is fixedly connected with discharge pipe 8, the input of sewage pump 9 is equipped with hose 10, the bottom end of hose 10 is fixedly connected with branch pipe 7, the left and right sides of the front and rear ends of branch pipe 7 are respectively fixedly connected with suction pipe 5, the outer side wall of frame 1 is provided with filter hole 15, four groups of suction pipes 5 are arranged at the front and rear ends of the left and right sides in the inside of frame 1, the middle position in the inside of baffle 4 is provided with sealing sleeve 13, sealing sleeve 13 is arranged outside shaft 14, and shaft 14 penetrates the middle position in the inside of baffle 4.

[0028] Specifically, as shown in Figure 1 And Figure 2 , start sewage pump 9, sewage pump 9 extracts mud in the inside of frame 1 through hose 10 and suction pipe 5, filter hole 15 of the outer side wall of frame 1 can filter mud, to prevent larger residue from entering the inside of frame 1, so that the inside of suction pipe 5 can be further prevented from being blocked, and the extracted residue and mud are discharged through discharge pipe 8.

[0029] The bottom end of the left and right sides of the rotating shaft 14 is fixedly connected with a mounting block 19, a mounting groove 18 is arranged on one side near the middle of the inside of the stirring rod 2, the mounting groove 18 and the right side of the inside of the stirring rod 2 are provided with mounting holes 21, the inside of the mounting holes 21 is provided with mounting bolts 20, the mounting block 19 is embedded in the inside of the mounting groove 18, and the mounting block 19 is fixed in the inside of the mounting groove 18 through the mounting bolts 20 and the mounting holes 21.

[0030] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 need to disassemble and replace the stirring rod 2, the mounting bolts 20 are screwed out of the inside of the mounting holes 21 to make the stirring rod 2 lose fixation, then the stirring rod 2 can be taken out from the outside of the mounting block 19, after being taken out, a stirring rod 2 with a proper length can be taken according to requirements, then the mounting groove 18 in the inside of the stirring rod 2 is sleeved on the outside of the mounting block 19, after being sleeved, the mounting bolts 20 are screwed into the inside of the mounting holes 21 to fix the stirring rod 2 again, and the replacement of the stirring rod 2 is completed.

[0031] When the frame 1 is lowered to a proper position, the hydraulic cylinder 11 is started, the hydraulic cylinder 11 drives the driving motor 16 and the rotating shaft 14 to descend, so that the stirring rod 2 and the crushing rod 3 can descend out of the inside of the partition plate 4, then the driving motor 16 is started again, the driving motor 16 drives the stirring rod 2 and the crushing rod 3 at the bottom end of the stirring rod 2 to rotate through the rotating shaft 14, so that the stirring rod 2 and the crushing rod 3 can stir the residues and the mud at the bottom end in the borehole, the residues and the mud are crushed, the hydraulic cylinder 11 is started again after being crushed, the hydraulic cylinder 11 drives the stirring rod 2 and the crushing rod 3 to ascend, so that the stirring rod 2 and the crushing rod 3 can ascend to the inside of the partition plate 4, after ascending, the sewage pump 9 is started, the sewage pump 9 draws the mud in the inside of the frame 1 through the soft pipe 10 and the mud suction pipe 5, the filter holes 15 on the outer side wall of the frame 1 can filter the mud, so that larger residues can be prevented from entering the inside of the frame 1, so that the inside of the mud suction pipe 5 can be further prevented from being blocked, and the residues and the mud drawn out are discharged through the discharge pipe 8.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A rotary drilling and cleaning device for cast-in-place piles, comprising a frame (1), characterized in that: A partition plate (4) is fixedly connected to the bottom of the frame (1), and hanging rings (6) are fixedly connected to both sides of the top of the frame (1). A cavity (12) is provided in the middle of the frame (1). A hydraulic cylinder (11) is installed at the top of the cavity (12). A drive motor (16) is installed at the bottom of the hydraulic cylinder (11). A rotating shaft (14) is fixedly connected to the output end of the drive motor (16). A baffle plate (17) is installed at the top of the rotating shaft (14). A stirring rod (2) is provided at the bottom of both sides of the rotating shaft (14). A crushing rod (3) is fixedly connected to the bottom of the stirring rod (2).

2. The rotary drilling and cleaning device for cast-in-place piles according to claim 1, characterized in that: The crushing rod (3) is provided in multiple sets, and the crushing rod (3) is arranged at equal intervals at the bottom end of the stirring rod (2).

3. The rotary drilling and cleaning device for cast-in-place piles according to claim 1, characterized in that: The baffle (17) is located at the bottom of the cavity (12), and the baffle (17) and the drive motor (16) slide up and down inside the cavity (12).

4. The rotary drilling and cleaning device for cast-in-place piles according to claim 1, characterized in that: A sewage pump (9) is provided on the left side of the frame (1). The output end of the sewage pump (9) is fixedly connected to a discharge pipe (8). A hose (10) is installed at the input end of the sewage pump (9). A branch pipe (7) is fixedly connected to the bottom end of the hose (10). Slurry pumping pipes (5) are fixedly connected to the left and right sides of the front and rear ends of the branch pipe (7). A filter hole (15) is provided on the outer wall of the frame (1).

5. The rotary drilling and cleaning device for cast-in-place piles according to claim 4, characterized in that: The slurry extraction pipe (5) is provided in four sets, and the bottom ends of the slurry extraction pipe (5) are respectively located at the front and rear ends of the left and right sides inside the frame (1).

6. The rotary drilling and cleaning device for cast-in-place piles according to claim 1, characterized in that: A sealing sleeve (13) is provided at the middle position inside the partition (4). The sealing sleeve (13) is located outside the rotating shaft (14), which passes through the middle position inside the partition (4).

7. The rotary drilling and cleaning device for cast-in-place piles according to claim 1, characterized in that: Mounting blocks (19) are fixedly connected to the bottom ends of the left and right sides of the rotating shaft (14). An installation groove (18) is provided on the side of the stirring rod (2) near the middle. An installation hole (21) is provided on the right side of the installation groove (18) and the stirring rod (2). An installation bolt (20) is provided inside the installation hole (21).

8. The rotary drilling and cleaning device for cast-in-place piles according to claim 7, characterized in that: The mounting block (19) is embedded inside the mounting groove (18), and the mounting block (19) is fixed inside the mounting groove (18) by mounting bolts (20) and mounting holes (21).