Hole cleaning device for pile foundation construction

Abstract

The utility model discloses a hole cleaning device for pile foundation construction, relates to the technical field of hole cleaning devices, and aims to solve the problems that in the prior art, when slurry in a pile foundation hole is cleaned, the device needs to be put down for multiple times, the operation is very troublesome, and the practicability is poor. A central shaft is rotatably installed in the middle of the interior of the cleaning cylinder, a drill bit is fixedly installed below the central shaft, a spiral blade is fixedly installed on the outer side of the central shaft, a long conveying pipe is fixedly installed on one side of the upper portion of the cleaning cylinder and communicates with the cleaning cylinder, and the long conveying pipe is a hose; the end, away from the cleaning cylinder, of the long conveying pipe is connected with a vacuum box, a first pipeline is fixedly installed on one side of the vacuum box, the vacuum box communicates with the first pipeline, the end, away from the vacuum box, of the first pipeline is connected with a slurry pump, and a second pipeline is fixedly installed above the slurry pump. A mounting frame is welded to the upper portion of the cleaning cylinder and is arranged to be an inverted-U-shaped plate.

Description

Technical Field

[0001] The utility model relates to the technical field of hole cleaning devices, in particular to a hole cleaning device for pile foundation construction. Background Art

[0002] Pile foundation is generally composed of piles and pile caps. The construction methods of pile foundation are divided into two categories: prefabricated piles and cast-in-place piles. The selection of pile driving method, in addition to the engineering geological conditions, also needs to consider the type, section, length, site environment and design requirements of the pile. During the pile foundation construction process, a hole cleaning device is needed to clean the mud in the pile foundation hole.

[0003] For example, the authorized patent with announcement number CN212479137U (a hole cleaning device for pile foundation construction): comprises a driving motor arranged on a machine base, a rotating shaft is connected to the bottom of the driving motor, a hole cleaning rod is fixedly connected to the side of the rotating shaft away from the driving motor, wherein a first flange is fixed to the bottom of the rotating shaft, a second flange is fixed to the side of the hole cleaning rod close to the first flange, a spiral blade is fixed to the outside of the hole cleaning rod, an air flow channel is penetrated inside the hole cleaning rod, an air inlet is connected to the top side of the hole cleaning rod close to the air flow channel, and air outlets are connected to both sides of the bottom of the hole cleaning rod close to the air flow channel, and first screw holes are penetrated on both sides of the first flange;

[0004] Although the above-mentioned prior art is convenient for taking sediment out to the outside, it does not have the ability to continue to work. Furthermore, when cleaning the mud in the pile foundation hole, it is necessary to lower the device many times, which is very troublesome and has poor practicality. Therefore, the market urgently needs to develop a hole cleaning device for pile foundation construction to help people solve the existing problems. Utility Model Content

[0005] The utility model aims to provide a hole cleaning device for pile foundation construction, so as to solve the problem in the background technology that when cleaning the mud in the pile foundation hole, the device needs to be lowered several times, which is very troublesome and has poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hole cleaning device for pile foundation construction, comprising a pile foundation hole and a cleaning barrel, a central axis is rotatably installed in the middle of the cleaning barrel, a drill bit is fixedly installed below the central axis, a spiral blade is fixedly installed on the outside of the central axis, a long conveying tube is fixedly installed on one side above the cleaning barrel, and the long conveying tube is connected to the cleaning barrel, the long conveying tube is configured as a hose, a vacuum box is connected to one end of the long conveying tube away from the cleaning barrel, a first pipe is fixedly installed on one side of the vacuum box, and the vacuum box is connected to the first pipe, a mud pump is connected to one end of the first pipe away from the vacuum box, and a second pipe is fixedly installed above the mud pump.

[0007] Preferably, a mounting frame is welded and installed above the cleaning cylinder, the mounting frame is configured as an inverted U-shaped plate, and the long conveying tube passes through the mounting frame.

[0008] Preferably, a fixing ring is fixedly installed in the middle above the installation frame, a traction rope is arranged above the fixing ring, and the fixing ring is tied and connected to the traction rope.

[0009] Preferably, a transmission shaft is rotatably installed in the middle above the cleaning cylinder, and the upper end of the transmission shaft is rotatably connected to the mounting frame, the transmission shaft is fixedly connected to the central shaft, a driven gear is fixedly installed on the outer side of the transmission shaft, a driving gear is installed on one side of the driven gear, and the driven gear is meshed with the driving gear, a driving shaft is fixedly installed inside the driving gear, and the driving shaft passes through the driving gear, and the driving shaft is rotatably connected to the mounting frame.

[0010] Preferably, a motor is fixedly mounted on one side above the mounting frame, and an output end of the motor is fixedly connected to a driving shaft.

[0011] Preferably, an equipment box is installed on the outside of the mud pump, and the equipment box is fixedly connected to the mud pump by screws.

[0012] Preferably, a sealing cover is installed at the front end of the vacuum box, and the vacuum box and the sealing cover are fixedly connected by bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a cleaning cylinder. When cleaning the hole during pile foundation construction, the cleaning cylinder is lowered into the pile foundation hole, and the central shaft is driven to rotate, so that the drill bit and the spiral blade are rotated. The upward extrusion force generated in the cleaning cylinder by the downward rotation of the drill bit and the rotation of the spiral blade causes the cleaning cylinder to slowly move downward. At the same time, mud enters the cleaning cylinder under the action of the spiral blade, and flows into the long conveying tube under the action of the extrusion force, and is continuously output outward through the long conveying tube, which is beneficial to the continuous cleaning ability of the mud in the pile foundation hole and increases the convenience of cleaning the pile foundation hole. At the same time, the mud pump provided can assist in extracting the mud, so that after the cleaning cylinder moves down to a deeper position in the pile foundation hole, the mud can be stably output outward, thereby increasing the stability of cleaning the pile foundation hole.

[0015] 2. The utility model has a fixing ring fixedly installed in the middle above the installation frame, a traction rope is arranged above the fixing ring, and the fixing ring is connected to the traction rope by tying, so that when cleaning the hole in the pile foundation construction, the cleaning cylinder can be lowered into the pile foundation hole and the cleaning cylinder can be pulled up from the pile foundation hole through the lifting equipment connected to the traction rope, which increases the convenience of using the cleaning cylinder and improves its practicality.

[0016] 3. The utility model is provided with a transmission shaft, a driving gear, a drive shaft, a driven gear and a motor, so that when cleaning the inside of the pile foundation hole, the drive shaft is rotated by starting the motor, and the meshing transmission of the driving gear and the driven gear can drive the transmission shaft to rotate, thereby enabling the central shaft to rotate to clean the mud, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a hole cleaning device for pile foundation construction according to the utility model;

[0018] Figure 2 It is a cross-sectional view of the cleaning tube of the utility model;

[0019] Figure 3 It is an enlarged schematic diagram of the A part of the utility model;

[0020] Figure 4 It is a cross-sectional view of the equipment box of the utility model.

[0021] In the figure: 1. pile foundation hole; 2. cleaning cylinder; 3. long conveying pipe; 4. vacuum box; 5. first pipeline; 6. second pipeline; 7. equipment box; 8. traction rope; 9. center axis; 10. spiral blade; 11. installation frame; 12. motor; 13. driving gear; 14. driven gear; 15. transmission shaft; 16. drive shaft; 17. fixing ring; 18. mud pump; 19. cover. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-4 The utility model provides an embodiment: a hole cleaning device for pile foundation construction, comprising a pile foundation hole 1 and a cleaning barrel 2, a central shaft 9 is rotatably installed in the middle of the cleaning barrel 2, a drill bit is fixedly installed below the central shaft 9, a spiral blade 10 is fixedly installed on the outer side of the central shaft 9, a long conveying pipe 3 is fixedly installed on one side above the cleaning barrel 2, and the long conveying pipe 3 is communicated with the cleaning barrel 2, the long conveying pipe 3 is arranged as a hose with a strong pipe wall structure, the end of the long conveying pipe 3 away from the cleaning barrel 2 is connected to a vacuum box 4, the vacuum box 4 is externally connected to a vacuum device, a first pipe 5 is fixedly installed on one side of the vacuum box 4, and the vacuum box 4 is communicated with the first pipe 5, the end of the first pipe 5 away from the vacuum box 4 is connected to a mud pump 18, and a second pipe 6 is fixedly installed above the mud pump 18.

[0024] During use, when cleaning the hole during pile foundation construction, the cleaning cylinder 2 is lowered into the pile foundation hole 1, and the central shaft 9 is driven to rotate, so that the drill bit and the spiral blade 10 are rotated. The upward extrusion force generated in the cleaning cylinder 2 by the downward rotation of the drill bit and the rotation of the spiral blade 10 causes the cleaning cylinder 2 to slowly move downward. At the same time, mud enters the cleaning cylinder 2 under the action of the spiral blade 10, and flows into the long conveying tube 3 under the action of the extrusion pressure, and is continuously output outward through the long conveying tube 3, which is beneficial to the continuous cleaning ability of the mud in the pile foundation hole and increases the convenience of cleaning the pile foundation hole. At the same time, the mud pump 18 is provided to assist in extracting the mud, so that after the cleaning cylinder 2 moves down to a deeper position in the pile foundation hole, the mud can be stably output outward, thereby increasing the stability of cleaning the pile foundation hole 1.

[0025] Furthermore, an installation frame 11 is welded and installed above the cleaning barrel 2, and the installation frame 11 is set as an inverted U-shaped plate. The long conveying tube 3 passes through the installation frame 11, and a fixing ring 17 is fixedly installed in the middle above the installation frame 11. A traction rope 8 is set above the fixing ring 17, and the fixing ring 17 is tied and connected with the traction rope 8. The traction rope 8 is connected to the lifting equipment outside, which makes it convenient to lower the cleaning barrel 2 into the pile foundation hole 1 and lift the cleaning barrel 2 out of the pile foundation hole 1, thereby increasing the convenience of using the cleaning barrel 2.

[0026] Furthermore, a transmission shaft 15 is rotatably installed in the middle above the cleaning cylinder 2, and the upper end of the transmission shaft 15 is rotatably connected to the mounting frame 11, the transmission shaft 15 is fixedly connected to the central shaft 9, a driven gear 14 is fixedly installed on the outer side of the transmission shaft 15, a driving gear 13 is installed on one side of the driven gear 14, and the driven gear 14 is meshed with the driving gear 13, a driving shaft 16 is fixedly installed inside the driving gear 13, and the driving shaft 16 penetrates the driving gear 13, and the driving shaft 16 is rotatably connected to the mounting frame 11, and a motor 12 is fixedly installed on one side above the mounting frame 11, and the output end of the motor 12 is fixedly connected to the driving shaft 16, so that the driving shaft 16 can be rotated by starting the motor 12, and the meshing transmission of the driving gear 13 and the driven gear 14 can drive the transmission shaft 15 to rotate, and then drive the central shaft 9 to rotate, so as to facilitate the hole cleaning work of pile foundation construction.

[0027] Furthermore, an equipment box 7 is installed on the outside of the mud pump 18 , and the equipment box 7 and the mud pump 18 are fixedly connected by screws. The arrangement of the equipment box 7 can protect the mud pump 18 .

[0028] Furthermore, a cover 19 is installed at the front end of the vacuum box 4, and the vacuum box 4 and the cover 19 are fixedly connected by bolts. The setting of the cover 19 makes it easy to open the vacuum box 4 to discharge the residual mud inside, thereby increasing practicality.

[0029] Working principle: When in use, the cleaning barrel 2 is lowered into the pile foundation hole 1 through the traction rope 8 through the lifting equipment, and the motor 12 is started to rotate the drive shaft 16. Through the meshing transmission of the active gear 13 and the driven gear 14, the transmission shaft 15 can be driven to rotate, and then the central shaft 9 is driven to rotate, so that the drill bit and the spiral blade 10 are rotated. The upward extrusion force generated by the rotation of the drill bit and the spiral blade 10 in the cleaning barrel 2 causes the cleaning barrel 2 to move slowly downward. At the same time, the mud enters the cleaning barrel 2 under the action of the spiral blade 10, and flows into the long conveying pipe 3 under the action of the extrusion pressure, and is continuously output to the vacuum box 4 through the long conveying pipe. At the same time, the mud pump 18 is started to assist in extracting the mud through the first pipeline 5 and output it through the second pipeline 6, so as to realize the cleaning work in the pile foundation hole 1.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A hole cleaning device for pile foundation construction, comprising a pile foundation hole (1) and a cleaning cylinder (2), characterized in that: A central shaft (9) is rotatably mounted in the middle of the cleaning cylinder (2), a drill bit is fixedly mounted below the central shaft (9), a spiral blade (10) is fixedly mounted on the outside of the central shaft (9), a long conveying tube (3) is fixedly mounted on one side above the cleaning cylinder (2), and the long conveying tube (3) is connected to the cleaning cylinder (2), the long conveying tube (3) is configured as a hose, and a vacuum box (4) is connected to one end of the long conveying tube (3) away from the cleaning cylinder (2), a first pipeline (5) is fixedly mounted on one side of the vacuum box (4), and the vacuum box (4) is connected to the first pipeline (5), a mud pump (18) is connected to one end of the first pipeline (5) away from the vacuum box (4), and a second pipeline (6) is fixedly mounted above the mud pump (18).

2. A hole cleaning device for pile foundation construction according to claim 1, characterized in that: An installation frame (11) is welded and installed above the cleaning cylinder (2); the installation frame (11) is configured as an inverted U-shaped plate, and the long conveying tube (3) passes through the installation frame (11).

3. A hole cleaning device for pile foundation construction according to claim 2, characterized in that: A fixing ring (17) is fixedly installed in the middle of the upper part of the installation frame (11), a traction rope (8) is arranged above the fixing ring (17), and the fixing ring (17) and the traction rope (8) are tied and connected.

4. A hole cleaning device for pile foundation construction according to claim 3, characterized in that: A transmission shaft (15) is rotatably mounted in the middle of the top of the cleaning cylinder (2), and the upper end of the transmission shaft (15) is rotatably connected to the mounting frame (11). The transmission shaft (15) is fixedly connected to the central shaft (9). A driven gear (14) is fixedly mounted on the outer side of the transmission shaft (15). A driving gear (13) is mounted on one side of the driven gear (14), and the driven gear (14) is meshedly connected to the driving gear (13). A driving shaft (16) is fixedly mounted inside the driving gear (13), and the driving shaft (16) penetrates the driving gear (13). The driving shaft (16) is rotatably connected to the mounting frame (11).

5. A hole cleaning device for pile foundation construction according to claim 4, characterized in that: An electric motor (12) is fixedly mounted on one side above the mounting frame (11), and an output end of the electric motor (12) is fixedly connected to a driving shaft (16).

6. A hole cleaning device for pile foundation construction according to claim 1, characterized in that: An equipment box (7) is installed outside the mud pump (18), and the equipment box (7) and the mud pump (18) are fixedly connected by screws.

7. A hole cleaning device for pile foundation construction according to claim 1, characterized in that: A sealing cover (19) is installed at the front end of the vacuum box (4), and the vacuum box (4) and the sealing cover (19) are fixedly connected by bolts.

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