A dredging device for bored piles

Abstract

This invention relates to the field of construction equipment technology, specifically to a dredging device for bored piles, comprising: a spiral cleaning component for cleaning debris inside the borehole; a debris lifting component disposed inside the spiral cleaning component for transporting the cleaned debris upwards; a fixing sleeve for temporarily storing the debris transported by the debris lifting component, and also connected to a debris delivery component; a driving component mounted on the fixing sleeve for driving the debris lifting component; and a crushing component disposed between the debris lifting component and the spiral cleaning component for crushing large particles of debris and also for transmitting the power of the debris lifting component to the spiral cleaning component.

Description

Technical Field

[0001] This invention relates to the field of construction equipment technology, and more specifically to a dredging device for bored piles. Background Technology

[0002] Drilled cast-in-place piles are a common type of pile foundation widely used in various construction projects. A drilled cast-in-place pile is formed by drilling a hole using drilling machinery, placing a reinforcing cage inside, and then pouring concrete into the hole. It can transfer the load of the superstructure to deeper soil layers through the pile body, thus meeting the building's requirements for foundation bearing capacity and stability.

[0003] Before pouring concrete into the pile hole, the inside of the pile hole needs to be cleaned. However, after drilling, the inside of the pile hole may contain a large amount of gravel, and there may be problems with the inner wall and bottom of the pile hole being rough. Currently, it is difficult to clean the inside of the pile hole thoroughly by using only high-pressure water flushing, resulting in incomplete cleaning and affecting the cleaning effect. Summary of the Invention

[0004] The purpose of this invention is to provide a dredging device for bored piles to solve the above-mentioned problems.

[0005] To achieve the above objectives, the present invention provides the following solution: A dredging device for bored piles, comprising: Spiral cleaning components are used to remove debris from inside boreholes; The debris lifting component is located inside the spiral cleaning component and is used to transport the debris cleaned from the borehole upwards. A fixing sleeve is used to temporarily store the debris transported by the debris lifting component, and is also connected to the debris delivery component; A drive component, mounted on the fixed sleeve, is used to drive the debris lifting component to operate; A crushing component is disposed between the debris lifting component and the spiral cleaning component. It is used to crush large particles of debris and to transmit the power of the debris lifting component to the spiral cleaning component.

[0006] Preferably, the spiral cleaning component includes: A rotating sleeve is rotatably mounted below the fixed sleeve. The rotating sleeve has an opening at the bottom and top, and a first helical blade is mounted on the outer side of the rotating sleeve.

[0007] Preferably, the bottom of the inner wall of the fixed sleeve is provided with an annular groove, the rotating sleeve is coaxially arranged with the fixed sleeve, the bottom surface of the fixed sleeve is an open structure, and a protruding ring is fixedly connected to the outer top of the rotating sleeve, the protruding ring being rotatably connected in the annular groove.

[0008] Preferably, the debris lifting component includes: The central shaft is axially connected to the output end of the drive component. A second helical blade is rotatably connected to the outer side of the central shaft. The outer side of the second helical blade is sealed and rotatably engaged with the inner wall of the rotating sleeve. The rotation direction of the second helical blade is opposite to that of the first helical blade. The central shaft passes through the output end of the drive component and is fixedly connected to the drive component.

[0009] Preferably, a feeding component is also axially connected to the bottom end of the central shaft, the feeding component comprising: A bottom shaft is connected to the bottom end of the central shaft. Several feeding spiral blades are fixedly connected to the outside of the bottom shaft. The feeding spiral blades are evenly spaced along the circumference of the bottom shaft, and the direction of rotation of the feeding spiral blades is the same as that of the second spiral blade.

[0010] Preferably, the crushing component includes: A connecting bracket is fixedly connected to the output end of the drive component; Several drive connecting shafts are provided and fixedly connected to the connecting bracket, parallel to the axis of the rotating sleeve, and rotate through the second spiral blade; The first gear is configured as several, which are shafted onto the drive connecting shaft and are equally spaced along the drive connecting shaft; The second gear is configured in several parts, which are connected to the central shaft and are arranged at equal intervals along the central shaft. The second gears on each plane mesh with the corresponding first gears; the first gears mesh with the inner wall of the rotating sleeve.

[0011] A connecting sleeve is used to install the connecting bracket, is axially connected to the output end of the driving component, is rotatably sleeved on the outside of the central shaft, and is limited in the axial direction with the central shaft.

[0012] Preferably, the second spiral blade has a through hole, and the drive connecting shaft rotates through the second spiral blade.

[0013] The present invention has the following technical effects: Specifically, when the drive component rotates, it drives the connecting sleeve to rotate, which in turn drives the connecting bracket to rotate. The connecting bracket then drives the connecting shaft to rotate around the central axis. Under the meshing action of the first and second gears, since the second gear is stationary, the first gear can drive the second spiral blade to rotate. Because the first gear meshes with the inner wall of the rotating sleeve, the rotating sleeve rotates in the same direction. The rotation direction of the second spiral blade is opposite to that of the first spiral blade, allowing it to lift the material at the bottom and carry debris into the fixed sleeve. A connecting hole is made in the side wall of the fixed sleeve, and a pump is connected to this hole to clean out the sludge inside the fixed sleeve, thus cleaning the debris from the borehole. The cooperation between the feeding spiral blade and the bottom shaft facilitates the lifting of debris from the bottom of the hole, preventing debris from remaining there. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the rotating sleeve in its hidden state according to the present invention; Figure 3 This is a schematic diagram of the internal structure of the present invention; Figure 4 This is a schematic diagram of the structure of the present invention without the rotating sleeve; Figure 5 This is a schematic diagram of the central shaft and the second helical blade structure of the present invention.

[0016] Among them, 1. fixed sleeve; 2. rotating sleeve; 201. first spiral blade; 202. protruding ring; 3. driving component; 4. bottom shaft; 401. feeding spiral blade; 5. connecting sleeve; 501. connecting bracket; 6. driving connecting shaft; 601. first gear; 7. central shaft; 701. second gear; 702. second spiral blade; 7021. through hole. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Reference Figures 1 to 5 As shown, this embodiment provides a dredging device for bored piles, comprising: Spiral cleaning components are used to remove debris from inside boreholes; The debris lifting component, located inside the spiral cleaning component, is used to transport the debris cleaned from the borehole upwards. Fixed sleeve 1 is used to temporarily store the debris transported by the debris lifting component, and is also connected to the debris delivery component; Drive component 3, mounted on fixed sleeve 1, is used to drive the debris lifting component to operate; The crushing component, located between the debris lifting component and the spiral cleaning component, is used to crush large debris particles and also to transmit power from the debris lifting component to the spiral cleaning component.

[0020] In use, this invention utilizes a drive component 3 to power a spiral cleaning component and a debris lifting component. The spiral cleaning component removes debris from the borehole wall, which is then conveyed to the bottom of the borehole as it rotates. Simultaneously, the debris lifting component transports the debris upwards, temporarily storing it in a fixed sleeve 1. Finally, the debris is discharged from the borehole by a debris discharge component. A crushing component operates concurrently with the spiral cleaning component and the debris lifting component, crushing larger debris particles as they are conveyed upwards, preventing blockage of the debris discharge component. The combined action of the spiral cleaning component, crushing component, and debris lifting component effectively removes debris from the borehole.

[0021] Further optimization of the solution includes the following spiral cleaning components: Rotating sleeve 2 is rotatably installed below fixed sleeve 1. Rotating sleeve 2 has a structure with openings at the bottom and top. A first spiral blade 201 is installed on the outer side of rotating sleeve 2.

[0022] As the rotating sleeve 2 rotates, the first spiral blade 201 cleans the debris off the hole wall. The rotation of the first spiral blade 201 pushes the debris downwards. In this embodiment, clockwise rotation is defined as the direction of rotation of the rotating sleeve 2 in the top view of the attached drawing. To further enhance the cleaning effect, a brush can be installed on the outside of the first spiral blade 201. The brushing force of the brush can better clean the particles on the hole wall.

[0023] In a further optimized design, an annular groove is provided at the bottom of the inner wall of the fixed sleeve 1, and the rotating sleeve 2 is coaxially arranged with the fixed sleeve 1. The bottom surface of the fixed sleeve 1 is an open structure, and a protruding ring 202 is fixedly connected to the outer top of the rotating sleeve 2. The protruding ring 202 is rotatably connected in the annular groove.

[0024] The engagement of the annular groove and the protruding ring 202 on the rotating sleeve 2 allows the rotating sleeve 2 to rotate relative to the shaft of the driving component. Further optimization of the solution includes the following debris lifting components: The central shaft 7 is axially connected to the output end of the drive component 3. A second spiral blade 702 is rotatably connected to the outer side of the central shaft 7. The outer side of the second spiral blade 702 is sealed and rotatably engaged with the inner wall of the rotating sleeve 2. The rotation direction of the second spiral blade 702 is opposite to that of the first spiral blade 201. The central shaft 7 passes through the output end of the drive component 3 and is fixedly connected to the drive component 3.

[0025] In this embodiment, the driving component can be a motor. The output shaft of the motor has a hollow structure, and the central shaft 7 is inserted inside.

[0026] In a further optimized design, a feeding component is also connected to the bottom of the central shaft 7. The feeding component includes: The bottom shaft 4 is connected to the bottom end of the middle shaft 7. Several feeding spiral blades 401 are fixedly connected to the outside of the bottom shaft 4. The feeding spiral blades 401 are evenly spaced along the circumference of the bottom shaft 4. The direction of rotation of the feeding spiral blades 401 is the same as that of the second spiral blade 702.

[0027] The fixed sleeve 1 is driven to rotate by the drive component 3. The fixed sleeve 1 will drive the crushing component to rotate. The crushing component is located between the rotating sleeve 2 and the central shaft 7 and is connected by transmission, so that both can rotate.

[0028] Further optimization of the design includes the following crushing components: The connecting bracket 501 is fixedly connected to the output end of the drive component 3; The drive connecting shaft 6 is configured in several parts and is fixedly connected to the connecting bracket 501. It is parallel to the axis of the rotating sleeve 2 and rotates through the second spiral blade 702. The first gear 601 is configured in several parts, with its shaft connected to the drive connecting shaft 6 and arranged at equal intervals along the drive connecting shaft 6; The second gear 701 is configured in several parts, which are connected to the central shaft 7 and are arranged at equal intervals along the central shaft 7. The second gear 701 on each plane meshes with the corresponding first gear 601; the first gear 601 meshes with the inner wall of the rotating sleeve 2.

[0029] The connecting sleeve 5 is used to install the connecting bracket 501. It is axially connected to the output end of the drive component 3, rotatably sleeved on the outside of the central shaft 7, and limited in the axial direction with the central shaft 7.

[0030] Specifically, when the drive component 3 rotates, it drives the connecting sleeve 5 to rotate. The connecting sleeve 5 drives the connecting bracket 501 to rotate, and the connecting bracket 501 drives the connecting shaft 6 to rotate around the central shaft 7. Under the meshing action of the first gear 601 and the second gear 701, since the second gear 701 is not rotating, the first gear 601 can drive the second spiral blade 701 to rotate. And since the first gear 601 meshes with the inner wall of the rotating sleeve 2, the rotating sleeve 2 will rotate in the same direction. The rotation direction of the second spiral blade 702 is set opposite to the rotation direction of the first spiral blade 201, so that the second spiral blade 702 can lift the material at the bottom and lift the debris into the fixed sleeve 1. A connecting hole is opened on the side wall of the fixed sleeve 1, and a pump is connected to the connecting hole to clean out the sludge in the fixed sleeve 1, thereby cleaning the debris in the borehole. The cooperation between the feeding spiral blade 401 and the bottom shaft 4 can facilitate the lifting of debris at the bottom of the hole and prevent debris from remaining at the bottom of the hole.

[0031] In a further optimized design, a through hole 7021 is provided on the second spiral blade 702, through which the drive connecting shaft 6 rotates and passes.

[0032] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0033] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A device for dredging bored piles, characterized in that, include: Spiral cleaning components are used to remove debris from inside boreholes; The debris lifting component is located inside the spiral cleaning component and is used to transport the debris cleaned from the borehole upwards. The fixed sleeve (1) is used to temporarily store the debris transported by the debris lifting component, and is also connected to the debris delivery component; The drive component (3) is mounted on the fixed sleeve (1) and is used to drive the debris lifting component to operate; A crushing component is disposed between the debris lifting component and the spiral cleaning component. It is used to crush large particles of debris and to transmit the power of the debris lifting component to the spiral cleaning component.

2. The dredging device for bored piles according to claim 1, characterized in that, The spiral cleaning component includes: Rotating sleeve (2) is rotatably installed below the fixed sleeve (1). The rotating sleeve (2) has a structure with openings at the bottom and top. A first spiral blade (201) is installed on the outer side of the rotating sleeve (2).

3. The dredging device for bored piles according to claim 2, characterized in that, The bottom of the inner wall of the fixed sleeve (1) is provided with an annular groove. The rotating sleeve (2) is coaxially arranged with the fixed sleeve (1). The bottom surface of the fixed sleeve (1) is an open structure. A protruding ring (202) is fixedly connected to the outer side of the top of the rotating sleeve (2). The protruding ring (202) is rotatably connected in the annular groove.

4. The dredging device for bored piles according to claim 2, characterized in that, The debris lifting component includes: The central shaft (7) is axially connected to the output end of the drive component (3). A second helical blade (702) rotates on the outer side of the central shaft (7). The outer side of the second helical blade (702) is sealed and rotated with the inner wall of the rotating sleeve (2). The rotation direction of the second helical blade (702) is opposite to that of the first helical blade (201). The central shaft (7) passes through the output end of the drive component (3) and is fixedly connected to the drive component (3).

5. The dredging device for bored piles according to claim 4, characterized in that, The bottom end of the central shaft (7) is also axially connected to a feeding component, the feeding component comprising: The bottom shaft (4) is connected to the bottom end of the central shaft (7). A plurality of feed spiral blades (401) are fixedly connected to the outside of the bottom shaft (4). The plurality of feed spiral blades (401) are arranged at equal intervals along the circumference of the bottom shaft (4). The direction of rotation of the feed spiral blades (401) is the same as that of the second spiral blade (702).

6. The dredging device for bored piles according to claim 4, characterized in that, The crushing component includes: A connecting bracket (501) is fixedly connected to the output end of the drive component (3); A number of drive connecting shafts (6) are provided and fixedly connected to the connecting bracket (501), parallel to the axis of the rotating sleeve (2), and rotate through the second spiral blade (702). The first gear (601) is configured in several parts, which are shafted on the drive connecting shaft (6) and are arranged at equal intervals along the drive connecting shaft (6); The second gear (701) is configured in several units, which are axially connected to the central shaft (7) and are equally spaced along the central shaft (7). The second gear (701) on each plane meshes with the corresponding first gear (601); the first gear (601) meshes with the inner wall of the rotating sleeve (2). The connecting sleeve (5) is used to install the connecting bracket (501), is axially connected to the output end of the driving component (3), is rotatably sleeved on the outside of the central shaft (7), and is limited in the axial direction with the central shaft (7).

7. A dredging device for bored piles according to claim 6, characterized in that, A through hole (7021) is provided on the second spiral blade (702), and the drive connecting shaft (6) is arranged to rotate through the second spiral blade (702).

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