A bored pile sediment cleaning device

By designing a sediment cleaning device for bored piles, which combines a rotating cleaning plate and a screen with brush washing, the problem of incomplete sediment cleaning inside the pile hole was solved, thereby improving the pile's bearing capacity and cleaning efficiency.

CN224395558UActive Publication Date: 2026-06-23浙江中一建设有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
浙江中一建设有限公司
Filing Date
2025-07-11
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing technologies cannot effectively remove sediment adhering to the sidewalls of the borehole and settling at the bottom of the borehole, thus affecting the bearing capacity of the pile.

Method used

Design a sediment cleaning device for bored piles, including a lifting ring, a drive box, a rotating shaft, a mounting ring, and a cleaning assembly. The device uses centrifugal force and water flow to collect sediment through a combination of rotating cleaning plates and screens, combined with brushes to scrub the borehole walls, ensuring that the sediment is cleaned and collected.

Benefits of technology

It achieves thorough cleaning of sediment inside pile holes, improves the bearing capacity of piles, adapts to the needs of different hole diameters, and improves cleaning efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a bored pile sediment cleaning device and belongs to the field of building construction, which is mainly characterized by comprising a lifting ring and a driving box, and further comprising a rotating shaft, a mounting ring, a cleaning assembly, wherein the rotating shaft is installed on the driving box; the mounting ring is installed on the rotating shaft; the cleaning assembly comprises a mounting frame, a cleaning plate, a cleaning groove and a screen, the mounting frame is installed on the mounting ring in a radial distribution mode, the cleaning plate is installed on the mounting frame, the cleaning groove is arranged at the side wall of the cleaning plate, and the screen is installed on the cleaning plate. The application can clean the sediment adhered to the side wall of the pile hole and the sediment sunk at the bottom of the pile hole, thereby avoiding the influence of the sediment in the pile hole on the bearing capacity of the pile.
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Description

Technical Field

[0001] This application belongs to the field of building construction, and in particular relates to a device for cleaning sediment from bored piles. Background Technology

[0002] Drilled piles are one of the most commonly used pile foundations in engineering, and they are widely used in engineering projects. Drilled piles have many advantages, but they also have disadvantages. The biggest disadvantage is that they are not thoroughly cleaned. The existing technology is to use water flushing to clean the silt, that is, to use high-pressure water to flush the well hole, causing the sediment to turn up and be carried out by the water and mud flow.

[0003] The sediment that settles at the bottom of the pile hole and adheres to the side wall of the pile hole cannot be removed, and the unremovable sediment will seriously affect the bearing capacity of the pile. Utility Model Content

[0004] The purpose of this application is to address the aforementioned technical problems by providing a sediment removal device for bored piles, which can remove sediment adhering to the sidewalls of the pile hole and settling at the bottom of the pile hole, thus preventing the sediment from being unable to be removed from the pile hole and affecting the bearing capacity of the pile.

[0005] This application provides a device for cleaning sediment from bored piles, including a lifting ring, a drive box, and further comprising:

[0006] A rotating shaft, which is mounted on the drive box;

[0007] Mounting ring, the mounting ring being mounted on the rotating shaft;

[0008] The cleaning assembly includes a mounting frame, a cleaning plate, a cleaning groove, and a screen. Several mounting frames are radially distributed on a mounting ring. The cleaning plate is mounted on the mounting frame. The cleaning groove is located on the side wall of the cleaning plate. The screen is mounted on the cleaning plate.

[0009] The lifting ring, located at the top of the device, is primarily used to connect lifting equipment, such as the boom of a crane or drilling rig, enabling the entire device to move vertically within the borehole. The drive box contains a power source to provide rotational power. The rotating shaft is vertically mounted, and its upper end is driven to rotate by the drive box. The mounting ring is fixedly mounted on the rotating shaft and rotates with it. The cleaning assembly consists of multiple mounting frames, cleaning plates, cleaning grooves, and screens. Several mounting frames are radially distributed around the mounting ring, with a vertical cleaning plate mounted at one end of each frame. The device has a cleaning trough facing the direction of rotation of the rotating shaft. During sediment cleaning, the device is lowered to the bottom of the borehole filled with mud or water. The drive box is started, and the rotating shaft drives the mounting ring and cleaning components to rotate. The rotating cleaning plate disturbs the sediment deposited at the bottom of the hole. Under the action of centrifugal force and water flow, the stirred sediment is thrown into the cleaning trough of the cleaning plate. The screen allows water flow and small particles to pass through, but effectively blocks larger sediment particles inside the cleaning trough, thereby achieving sediment collection. After cleaning, the device is lifted out of the hole through the lifting ring, thus completing the sediment cleaning and collection.

[0010] Furthermore, the mounting bracket is provided with a plug-in block, and the mounting ring is provided with a plug-in groove, and the plug-in block on the mounting bracket is inserted into the plug-in groove.

[0011] To facilitate the easy installation, disassembly, and replacement of the cleaning plate and its mounting bracket, and to accommodate different hole diameters, a protruding insertion block is provided at the end of each mounting bracket near the mounting ring. Correspondingly, an insertion slot matching the shape of the insertion block is provided on the outer circumference of the mounting ring for each mounting bracket position. During installation, simply insert the insertion block on the mounting bracket into the corresponding insertion slot on the mounting ring. The mounting ring has bolt holes, and the mounting bracket has through holes. Use bolts to pass through the through holes on the mounting bracket and install them into the bolt holes on the mounting ring to achieve a reliable connection and ensure that the mounting bracket rotates with the mounting ring. When it is necessary to replace the cleaning plate with a different size, simply unscrew the bolts used for fixing and pull the insertion block out of the insertion slot.

[0012] Furthermore, a support block is installed on the side wall of the cleaning plate, and a first brush is installed on the support block.

[0013] To enhance the cleaning effect on the borehole wall and prevent sediment from adhering to the borehole wall and being difficult to remove, a support block is installed on the outer side wall of the cleaning plate. The support block is firmly connected to the cleaning plate, and a first brush is installed on the side facing the borehole wall. When the cleaning assembly rotates in the borehole, the bristles of the first brush will come into contact with the side wall of the borehole. As the cleaning plate rotates, the first brush continuously scrubs the borehole wall, which can effectively scrape off and peel off the sediment adhering to the borehole wall, causing it to fall into the mud or water at the bottom of the borehole. Then, it is stirred by the rotating cleaning plate and finally collected into the cleaning tank.

[0014] Furthermore, a baffle is also installed on the support block.

[0015] To further optimize sludge collection efficiency and prevent stirred-up sludge from slipping away through the gap between the outer side of the cleaning plate where the support block and the first brush are located and the hole wall, a baffle is also installed on the support block. This baffle can be set on the side of the first brush to form a physical barrier, preventing sludge from being screened or escaped directly from the gap between the outer side of the cleaning plate and the hole wall, forcing it to flow towards the center of the cleaning plate or into the cleaning tank area.

[0016] Furthermore, the baffle is configured to be inclined.

[0017] To enable the baffle to more effectively guide sediment into the cleaning tank, it is designed to be installed at an angle. The end of the baffle near the opening of the cleaning tank is relatively low, while the end near the support block and the outer hole wall is relatively high. This inward tilting structure allows the sediment intercepted by the baffle to flow smoothly towards the lower opening of the cleaning tank when the equipment rotates, significantly improving the efficiency of sediment entering the cleaning tank.

[0018] Furthermore, it also includes a mounting plate, a support groove is provided on the side wall of the cleaning plate, the support block is inserted into the support groove, the support groove is provided with a mounting groove, the mounting groove is provided with a threaded hole, the mounting plate is installed on the mounting groove by bolts engaging with the threaded hole, and the mounting plate is fixedly connected to the support block.

[0019] Considering that the support block and the first brush and baffle mounted on it may require maintenance, replacement, or adjustment of their position according to different hole diameters to better fit the hole wall, the device is designed with an easy-to-disassemble structure. A longitudinally extending support groove is provided on the outer sidewall of the cleaning plate. The main body or a specific part of the support block is designed to be inserted into the support groove to achieve initial positioning. To provide a firm final fixation, an installation groove is provided in the support groove. The installation groove has a threaded hole. The installation plate covers the installation groove and is fixed by bolts to the threaded hole, which can firmly press the support block inserted in the support groove. When disassembling, loosen the bolts and pull out the installation plate to remove the support block for replacement or adjustment.

[0020] Furthermore, a second brush is installed on the lower end face of the cleaning plate.

[0021] To enhance the cleaning of the sediment that is least likely to be disturbed at the bottom of the borehole, a second brush is installed on the bottom surface of the cleaning plate. When the cleaning assembly rotates and is lowered close to the bottom of the borehole, these second brushes located at the bottom of the cleaning plate will directly contact the sediment at the bottom of the borehole. The rotation of the brushes will fully lift and agitate the sediment, suspending it in the water. This makes it easier for the sediment that was originally deposited at the bottom to be carried by the water flow, and thus easier for the rotating cleaning plate to capture and guide it into the cleaning groove on its side wall, thereby significantly improving the thoroughness and efficiency of cleaning the sediment at the bottom of the borehole.

[0022] The beneficial effects of this application are:

[0023] 1. The rotating cleaning plate will disturb the sediment deposited at the bottom of the hole. Under the action of centrifugal force and water flow, the stirred sediment will be thrown into the cleaning tank of the cleaning plate. The screen mesh allows water flow and small particles to pass through, but effectively blocks larger sediment particles inside the cleaning tank, thereby achieving sediment collection.

[0024] 2. In order to facilitate the installation, disassembly and replacement of the cleaning plate and its mounting bracket, and to adapt to the needs of different hole diameters, a protruding plug-in block is provided at the end of each mounting bracket near the mounting ring. Correspondingly, a plug-in groove matching the shape of the plug-in block is opened on the outer circumference of the mounting ring for each mounting bracket position.

[0025] 3. When the cleaning component rotates inside the borehole, the bristles of the first brush will come into contact with the side wall of the borehole. As the cleaning plate rotates, the first brush continuously scrubs the borehole wall, effectively scraping off and peeling off the sediment attached to the borehole wall, causing it to fall into the mud or water at the bottom of the borehole, where it is then stirred by the rotating cleaning plate and finally collected into the cleaning tank. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this application;

[0027] Figure 2 This is a schematic diagram of the overall structure of this application;

[0028] Figure 3 This application is Figure 2 Enlarged view of part A;

[0029] The attached figures are labeled as follows: 100, lifting ring; 200, drive box; 300, rotating shaft; 400, mounting ring; 500, cleaning assembly; 510, mounting bracket; 511, plug-in block; 512, plug-in slot; 520, cleaning plate; 521, support block; 522, first brush; 523, baffle; 524, support slot; 525, mounting slot; 526, mounting plate; 527, second brush; 530, cleaning slot; 540, screen. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0031] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0032] The embodiments of this application will be described in detail below with reference to the accompanying drawings and specific examples and application scenarios.

[0033] Example 1:

[0034] like Figure 1 , Figure 2 , Figure 3 As shown in the figure, this application provides a device for cleaning sediment from bored piles, including a lifting ring 100, a drive box 200, and further comprising:

[0035] A rotating shaft 300 is mounted on a drive box 200;

[0036] Mounting ring 400, which is mounted on rotating shaft 300;

[0037] The cleaning assembly 500 includes a mounting frame 510, a cleaning plate 520, a cleaning groove 530, and a screen 540. Several cleaning plates are radially distributed on the mounting ring 400 of the mounting frame 510. The cleaning plate 520 is mounted on the mounting frame 510. The cleaning groove 530 is disposed on the side wall of the cleaning plate 520. The screen 540 is mounted on the cleaning plate 520.

[0038] A lifting ring 100 is installed at the top of the device, mainly used to connect lifting equipment, such as the boom of a crane or drilling rig, to enable the entire device to move up and down within the borehole. The drive box 200 contains a power source to provide rotational power. The rotating shaft 300 is vertically installed, and its upper end is driven to rotate by the drive box 200. The mounting ring 400 is fixedly installed on the rotating shaft 300 and rotates together with it. The cleaning assembly 500 consists of multiple mounting brackets 510, cleaning plates 520, cleaning grooves 530, and a screen 540. Several mounting brackets 510 are radially distributed on the mounting ring 400 with the mounting ring 400 as the center. Each mounting bracket 510 has a vertical cleaning plate 520 installed at its end. A cleaning trough 530 is provided on one side wall of the device 20, facing the rotation direction of the rotating shaft 300. During the sediment cleaning operation, the device is hoisted to the bottom of the borehole filled with mud or water. The drive box 200 is started, and the rotating shaft 300 drives the mounting ring 400 and the cleaning assembly 500 to rotate. The rotating cleaning plate 520 will disturb the sediment deposited at the bottom of the hole. Under the action of centrifugal force and water flow, the stirred sediment will be thrown into the cleaning trough 530 of the cleaning plate 520. The screen 540 has a mesh that allows water flow and small particles to pass through, but effectively blocks larger sediment particles inside the cleaning trough 530, thereby achieving sediment collection. After cleaning, the device is lifted out of the hole through the lifting ring 100, thus completing the sediment cleaning and collection.

[0039] Example 2:

[0040] like Figure 3 As shown, this application embodiment provides a borehole pile sediment cleaning device. In addition to the above-mentioned technical features, the mounting frame 510 is provided with a plug block 511, the mounting ring 400 is provided with a plug groove 512, and the plug block 511 on the mounting frame 510 is plugged into the plug groove 512.

[0041] To facilitate the installation, disassembly, and replacement of the cleaning plate 520 and its mounting bracket 510, and to accommodate different hole diameters, a protruding insertion block 511 is provided at the end of each mounting bracket 510 near the mounting ring 400. Correspondingly, an insertion groove 512 matching the shape of the insertion block 511 is provided on the outer circumference of the mounting ring 400 at the position of each mounting bracket 510. During installation, simply insert the insertion block 511 on the mounting bracket 510 into the corresponding insertion groove 512 on the mounting ring 400. The mounting ring 400 is provided with bolt holes, and the mounting bracket 510 is provided with through holes. A bolt is inserted through the through hole on the mounting bracket 510 and installed into the bolt hole on the mounting ring 400 to complete a reliable connection and ensure that the mounting bracket 510 rotates with the mounting ring 400. When it is necessary to replace the cleaning plate 520 with a different size, simply unscrew the bolts used for fixing and pull the insertion block 511 out of the insertion groove 512.

[0042] Example 3:

[0043] like Figure 2 , Figure 3 As shown in the figure, this application embodiment provides a borehole pile sediment cleaning device. In addition to the above-mentioned technical features, a support block 521 is installed on the side wall of the cleaning plate 520, and a first brush 522 is installed on the support block 521.

[0044] To enhance the cleaning effect on the borehole wall and prevent sediment from adhering to the borehole wall and being difficult to remove, a support block 521 is installed on the outer sidewall of the cleaning plate 520. The support block 521 is firmly connected to the cleaning plate 520, and a first brush 522 is installed on the side facing the borehole wall. When the cleaning assembly 500 rotates in the borehole, the bristles of the first brush 522 will come into contact with the sidewall of the borehole. As the cleaning plate 520 rotates, the first brush 522 continuously scrubs the borehole wall, which can effectively scrape off and peel off the sediment adhering to the borehole wall, causing it to fall into the mud or water at the bottom of the borehole, and then be agitated by the rotating cleaning plate 520 and finally collected into the cleaning tank 530.

[0045] Example 4:

[0046] like Figure 2 , Figure 3 As shown in the figure, this application embodiment provides a borehole pile sediment cleaning device, which, in addition to the above-mentioned technical features, also includes a baffle 523 installed on the support block 521.

[0047] To further optimize the efficiency of sediment collection and prevent the stirred-up sediment from slipping away from the gap between the outside of the cleaning plate 520 where the support block 521 and the first brush 522 are located and the hole wall, a baffle 523 is also installed on the support block 521. This baffle 523 can be set on the side of the first brush 522 to form a physical barrier, preventing the sediment from being directly screened through or escaped from the gap between the outside of the cleaning plate 520 and the hole wall, forcing it to flow towards the center of the cleaning plate 520 or into the cleaning tank 530 area.

[0048] Example 5:

[0049] like Figure 2 , Figure 3 As shown in the figure, this application embodiment provides a borehole pile sediment cleaning device, which, in addition to the above-mentioned technical features, has a baffle 523 that is inclined.

[0050] To enable the baffle 523 to more effectively guide sediment into the cleaning tank 530, it is designed to be installed at an angle. The end of the baffle 523 near the opening of the cleaning tank 530 is relatively low, while the end near the support block 521 and the outer hole wall is relatively high. This inward tilting structure allows the sediment intercepted by the baffle 523 to flow smoothly into the lower opening of the cleaning tank 530 when the equipment rotates, significantly improving the efficiency of sediment entering the cleaning tank 530.

[0051] Example 6:

[0052] like Figure 3 As shown in the figure, this application embodiment provides a borehole pile sediment cleaning device, which, in addition to the above-mentioned technical features, also includes an installation plate 526. The cleaning plate 520 has a support groove 524 on its side wall, and the support block 521 is inserted into the support groove 524. The support groove 524 has an installation groove 525 with a threaded hole. The installation plate 526 is installed on the installation groove 525 by bolts engaging with the threaded hole. The installation plate 526 is fixedly connected to the support block 521.

[0053] Considering that the support block 521 and the first brush 522 and baffle 523 installed on it may need maintenance, replacement, or their positions need to be adjusted according to different hole diameters to better fit the hole wall, the device is designed with a structure that is easy to disassemble and assemble. On the outer sidewall of the cleaning plate 520, a longitudinally extending support groove 524 is provided. The main body or a specific part of the support block 521 is designed to be inserted into the support groove 524 to achieve initial positioning. In order to provide a firm final fixation, an installation groove 525 is provided in the support groove 524. A threaded hole is provided in the installation groove 525. The installation plate 526 covers the installation groove 525 and is fixed to the threaded hole by bolts. This can firmly press the support block 521 inserted in the support groove 524. When disassembling, loosen the bolts and pull out the installation plate 526 to remove the support block 521 for replacement or adjustment.

[0054] Example 7:

[0055] like Figure 1 As shown in the figure, this application embodiment provides a borehole pile sediment cleaning device, which, in addition to the above-mentioned technical features, has a second brush 527 installed on the lower end face of the cleaning plate 520.

[0056] To enhance the cleaning of the sediment that is least likely to be disturbed at the bottom of the borehole, a second brush 527 is installed on the bottom surface of the cleaning plate 520. When the cleaning assembly 500 rotates and is lowered to a position close to the bottom of the borehole, these second brushes 527 located at the bottom of the cleaning plate 520 will directly contact the sediment at the bottom of the borehole. The rotation of the brushes will fully lift and agitate the sediment, suspending it in the water. This makes it easier for the sediment that was originally deposited at the bottom to be carried by the water flow, and thus easier for the rotating cleaning plate 520 to capture and guide it into the cleaning groove 530 on its side wall, thereby significantly improving the thoroughness and efficiency of cleaning the sediment at the bottom of the borehole.

[0057] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0058] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A device for cleaning sediment from bored piles, comprising a lifting ring (100) and a drive box (200), characterized in that... It also includes: A rotating shaft (300) is mounted on a drive box (200); Mounting ring (400) is mounted on rotating shaft (300); A cleaning assembly (500) includes a mounting frame (510), a cleaning plate (520), a cleaning groove (530), and a screen (540). Several mounting frames (510) are radially distributed on a mounting ring (400). The cleaning plate (520) is mounted on the mounting frame (510). The cleaning groove (530) is located on the side wall of the cleaning plate (520). The screen (540) is mounted on the cleaning plate (520).

2. The borehole pile sediment cleaning device according to claim 1, characterized in that, The mounting bracket (510) is provided with a plug-in block (511), and the mounting ring (400) is provided with a plug-in groove (512). The plug-in block (511) on the mounting bracket (510) is inserted into the plug-in groove (512).

3. The borehole pile sediment cleaning device according to claim 2, characterized in that, A support block (521) is installed on the side wall of the cleaning plate (520), and a first brush (522) is installed on the support block (521).

4. The borehole pile sediment cleaning device according to claim 3, characterized in that, A baffle (523) is also installed on the support block (521).

5. A sediment removal device for bored piles according to claim 4, characterized in that, The baffle (523) is set in an inclined position.

6. The borehole pile sediment cleaning device according to claim 5, characterized in that, It also includes an installation plate (526), ​​a support groove (524) is provided on the side wall of the cleaning plate (520), the support block (521) is inserted into the support groove (524), the support groove (524) is provided with an installation groove (525), the installation groove (525) is provided with a threaded hole, the installation plate (526) is installed on the installation groove (525) by bolts engaging with the threaded hole, and the installation plate (526) is fixedly connected to the support block (521).

7. A sediment removal device for bored piles according to claim 6, characterized in that, A second brush (527) is installed on the lower end face of the cleaning plate (520).