High-frequency vibration type grouting pipe lowering device

By designing a high-frequency vibration grouting pipe lowering device, and utilizing the linkage structure of the rotating column and the rotating plate, the problem of damage during the lowering of the grouting pipe was solved, achieving stable vertical lowering and precise control of the grouting pipe, and avoiding bottom damage and friction.

CN224243874UActive Publication Date: 2026-05-15HANGZHOU CHENGDUN TUNNEL AN ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU CHENGDUN TUNNEL AN ENGINEERING CO LTD
Filing Date
2025-03-28
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Grouting pipes are easily damaged during the lowering process, especially in deeper cast-in-place piles, where their own weight causes them to swing and rub against the reinforcing cage, and it is difficult to accurately determine when they will touch the bottom during lowering.

Method used

A high-frequency vibration grouting pipe lowering device was designed, including a support, a bracket, a roll-up roller, and a motor. Through the cooperation of the fixing part and the linkage part, the grouting pipe is lowered stably and the bottom damage is prevented. The linkage structure of the rotating column, the rotating plate and the slider is used to control the fixing and release of the grouting pipe.

Benefits of technology

It effectively prevents impact damage to the bottom of the grouting pipe, ensures that the grouting pipe is lowered vertically to the bottom surface, reduces friction damage, and improves lowering accuracy and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of grouting pipes, in particular to a high-frequency vibration type grouting pipe lowering device which comprises a supporting pipe, a support, an unwinding roller and a motor, the inner side of the support penetrates through and is rotationally connected with the unwinding roller, the outer side of the support is fixedly connected with the motor, and an output shaft of the motor penetrates through and is fixedly connected with the unwinding roller; when the rotating column rotates, the rotating plate can be driven to rotate together, so that an arc-shaped groove formed in the surface of the rotating plate pokes a poking rod, the poking rod drives a sliding block to pull back and contract a supporting block, a grouting pipe is not fixed any more, and therefore a motor can be started reversely to enable an unwinding roller to wind a steel cable; due to the fact that the supporting block does not support the grouting pipe any more, the steel cable only pulls up the supporting pipe and does not drive the grouting pipe to rise, the situation that workers do not know when the grouting pipe is lowered to the bottom of the cast-in-place pile is prevented, and the situation that the bottom of the grouting pipe directly collides with the bottom of the cast-in-place pile to be damaged can also be avoided.
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Description

Technical Field

[0001] This utility model relates to the field of grouting pipe technology, specifically a high-frequency vibration grouting pipe lowering device. Background Technology

[0002] High-frequency vibration grouting pipes are innovative devices combining vibration technology and grouting processes. They aim to improve grouting efficiency, prevent pipe blockage, and optimize grout diffusion. By integrating vibration functionality and optimizing structural design, high-frequency vibration grouting pipes significantly improve grouting efficiency and project quality, making them particularly suitable for complex scenarios such as pile foundation reinforcement and water-rich sand layers. Future technological development directions may include intelligent vibration control, the application of environmentally friendly materials, and enhanced adaptability to various scenarios.

[0003] When grouting deep cast-in-place piles, vibratory grouting pipes are used. However, these pipes are typically lowered using cranes. During this process, the pipes, being long and deep, sway due to their weight, potentially causing friction and damage to the reinforcing cage. Furthermore, workers are unsure when the pipes will touch the bottom, increasing the risk of damage to the bottom. Therefore, we propose a high-frequency vibratory grouting pipe lowering device. Utility Model Content

[0004] The purpose of this utility model is to provide a high-frequency vibration grouting pipe lowering device, which solves the problem of grouting pipes being easily damaged during lowering.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-frequency vibration grouting pipe lowering device includes a support, a bracket, a unwinding roller, and a motor. The unwinding roller is rotatably connected through the inner side of the bracket, and the motor is fixedly connected to the outer side of the bracket. The output shaft of the motor passes through the unwinding roller and is fixedly connected.

[0007] It also includes a fixing part for fixing the grouting pipe and enabling the grouting pipe to be stably lowered into the grouting pile that needs to be grouted;

[0008] The linkage is used to release the fixing of the grouting pipe and to retract the support separately without affecting the grouting pipe;

[0009] The fixing part includes a placement tray, the bottom surface of which is fixedly connected to the top surface of the support tray. A connecting buckle is fixedly connected to the top surface of the placement tray. A fixing plate is fixedly connected through the interior of the support tray. A rotating plate is rotatably connected inside the support tray. An arc-shaped groove is formed on the surface of the rotating plate. A movable groove is formed on the bottom surface of the fixing plate. A slider is slidably connected through the inner side of the movable groove. A support block is fixedly connected to the surface of the slider.

[0010] Preferably, a support rod is fixedly connected to the inner side of the movable groove, the support rod passes through the slider and is slidably connected, and a spring is fixedly connected between the slider and the inner side of the movable groove.

[0011] Preferably, a lever is fixedly connected to the bottom surface of the slider, and the lever is inserted into an arc-shaped groove opened on the surface of the rotating plate.

[0012] Preferably, a rotating column is fixedly connected to the bottom surface of the rotating plate, and the rotating column passes through the support and is rotatably connected.

[0013] Preferably, the linkage includes a sliding sleeve that passes through and is slidably connected to the support tube. A rubber block is fixedly connected to the bottom surface of the sliding sleeve, and an anti-detachment plate is fixedly connected to the top surface of the sliding sleeve. The anti-detachment plate is in contact with the inner wall of the support tube.

[0014] Preferably, a second spring is fixedly connected to the top surface of the anti-detachment plate, and the top end of the second spring is fixedly connected to the inner side of the support.

[0015] Preferably, the top surface of the rubber block is fixedly connected with an elastic hook, the bottom surface of the support is provided with a locking hole, the inner side of the sliding sleeve is provided with a guide groove, the surface of the rotating column is provided with a linkage block, and the linkage block is inserted into the guide groove provided on the inner side of the sliding sleeve.

[0016] By employing the above technical solution, this utility model provides a high-frequency vibration grouting pipe lowering device. It possesses at least the following beneficial effects:

[0017] (1) When the rotating column rotates, the rotating plate will rotate together, so that the arc groove on the surface of the rotating plate will move the lever, thereby causing the lever to drive the slider to pull back the support block and retract it, so that the grouting pipe is no longer fixed. Thus, the motor can be started in reverse to make the unwinding roller rewind the steel cable. Since the support block no longer supports the grouting pipe, the steel cable will only pull up the support block and will not drive the grouting pipe to rise. This prevents the workers from not knowing when the grouting pipe is lowered to the bottom of the grouting pile, and also avoids the bottom of the grouting pipe directly hitting the bottom of the grouting pile and being damaged.

[0018] (2) The present invention uses the support block to straighten the grouting pipe again when the support is raised, so that the grouting pipe always remains perpendicular to the bottom surface and avoids tilting. When the support is pulled up, the symmetrical elastic hooks are squeezed inward by tools such as pliers, so that the elastic hooks no longer get stuck in the holes. Then the compressed spring two will push the anti-disengagement plate to reset the sliding sleeve. The rotating plate will reverse under the action of the linkage block sliding along the guide groove, so that the support block will be pushed and reset by the spring one and the slider, so that the support block is close to the axis of the support again, so that the support block supports the grouting pipe again. This makes it convenient to fix the grouting pipe and also convenient to lower the grouting pipe for use next time. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the support in this utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the sleeve in this utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the sliding sleeve in this utility model;

[0024] Figure 5 This is a partially enlarged and unfolded schematic diagram of the structure in this utility model;

[0025] Figure 6 This is an enlarged cross-sectional view of the fixed disk structure in this utility model.

[0026] In the diagram: 1. Support; 2. Fixing part; 21. Placement support; 22. Connecting buckle; 23. Fixing plate; 24. Rotating plate; 25. Arc groove; 26. Movable groove; 27. Slider; 28. Support block; 29. ​​Lever; 210. Support rod; 211. Spring 1; 212. Rotating column; 3. Linkage part; 31. Sliding sleeve; 32. Rubber block; 33. Anti-detachment plate; 34. Spring 2; 35. Elastic hook; 36. Locking hole; 37. Guide groove; 38. Linkage block; 4. Bracket; 5. Unwinding roller; 6. Motor. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] A high-frequency vibration grouting pipe lowering device, such as Figures 1-6As shown, the system includes a support 1, a bracket 4, an unwinding roller 5, and a motor 6. The unwinding roller 5 is rotatably connected to the inner side of the bracket 4, and the motor 6 is fixedly connected to the outer side of the bracket 4. The output shaft of the motor 6 passes through the unwinding roller 5 and is fixedly connected. It also includes a fixing part 2 for fixing the grouting pipe and enabling the grouting pipe to be stably lowered into the grouting pile to be grouted. A linkage part 3 is used to release the fixing of the grouting pipe and to independently retract the support 1 without affecting the grouting pipe. The fixing part 2 includes a placement support 21, the bottom surface of which is fixedly connected to the top surface of the support 1. A connecting buckle 22 is fixedly connected to the top surface of the placement support 21. When the motor 6 is started, the motor 6 drives the unwinding roller 1. The rotating roller 5 adjusts and reduces the speed of the motor 6, so that the steel cable on the unwinding roller 5 slowly lowers the placement support 21 and the support tube 1 into the grouting pile through the connecting buckle 22. When the support tube 1 and the grouting pipe are lowered simultaneously by the steel cables on the symmetrical unwinding roller 5, the bottom angle of the grouting pipe can be prevented from tilting or shifting. The inside of the support tube 1 is connected to a fixed plate 23 through and fixedly. The inside of the support tube 1 is connected to a rotating plate 24 rotatably. The surface of the rotating plate 24 is provided with an arc groove 25. The bottom surface of the fixed plate 23 is provided with a movable groove 26. The inner side of the movable groove 26 is connected to a slider 27 through and slidably. The surface of the slider 27 is fixedly connected to a support block 28. A support rod 210 is fixedly connected to the inner side of the movable groove 26. The support rod 210 passes through the slider 27 and is slidably connected. A spring 211 is fixedly connected between the slider 27 and the inner side of the movable groove 26. When the support rod 1 is pulled up, the symmetrical elastic hooks 35 are pressed inward by a tool such as pliers, so that the elastic hooks 35 are no longer locked in the locking hole 36. Then, the compressed spring 34 will push the anti-disengagement plate 33 to reset the sliding sleeve 31. The rotating plate 24 will reverse under the action of the linkage block 38 sliding along the guide groove 37, so that the support block 28 will be pushed and reset by the spring 211 and the slider 27. A lever 29 is fixedly connected to the bottom surface of the slider 27. The lever 29 is inserted into the arc-shaped groove 25 opened on the surface of the rotating plate 24. A rotating column 212 is fixedly connected to the bottom surface of the rotating plate 24. When the rotating column 212 rotates, it will drive the rotating plate 24 to rotate as well. This causes the arc groove 25 on the surface of the rotating plate 24 to move the lever 29, which in turn drives the slider 27 to pull back the support block 28 and retract it, thus no longer fixing the column grouting pipe. This allows the motor 6 to be started in reverse so that the unwinding roller 5 can wind up the steel cable. Since the support block 28 no longer supports the grouting pipe, the rotating column 212 passes through the support tube 1 and is rotatably connected.

[0030] In this embodiment, when the rotating column 212 rotates, it will drive the rotating plate 24 to rotate as well. This causes the arc-shaped groove 25 on the surface of the rotating plate 24 to move the lever 29, which in turn causes the lever 29 to drive the slider 27 to pull back the support block 28 and retract it, thus no longer fixing the grouting pipe. This allows the motor 6 to be started in reverse so that the unwinding roller 5 can wind up the steel cable. Since the support block 28 no longer supports the grouting pipe, the steel cable will only pull up the support 1 and will not lift the grouting pipe. This prevents workers from not knowing when the grouting pipe is lowered to the bottom of the grouting pile, and also avoids the bottom of the grouting pipe directly hitting the bottom of the grouting pile and being damaged.

[0031] Example 2

[0032] like Figures 2-5 As shown, the linkage part 3 includes a sliding sleeve 31, which passes through and slidably connects to the support tube 1. A rubber block 32 is fixedly connected to the bottom surface of the sliding sleeve 31, and an anti-detachment plate 33 is fixedly connected to the top surface of the sliding sleeve 31. The anti-detachment plate 33 is in contact with the inner wall of the support tube 1. A second spring 34 is fixedly connected to the top surface of the anti-detachment plate 33, and the top end of the second spring 34 is fixedly connected to the inner side of the support tube 1. The top surface of the rubber block 32 is fixedly connected with an elastic hook 35, the bottom surface of the support tube 1 is provided with a locking hole 36, and the inner side of the sliding sleeve 31 is provided with a guide groove 37. When the support tube 1 is gradually lowered to the bottom of the grouting pile, the rubber block 32 will first contact the bottom of the grouting pile. The thick and elastic rubber block 32 will play a certain buffering role. At the same time, after the rubber block 32 contacts the bottom of the grouting pile, the support tube 1 will also descend due to its own weight, so that the sliding sleeve 31 at the top of the rubber block 32 will gradually insert into the inner side of the support tube 1. The guide groove 37 on the inner side of the sliding sleeve 31 will move with the sliding sleeve 31, so that the linkage block 38 inserted in the guide groove 37 is forced to slide along the guide groove 37. The surface of the rotating column 212 is provided with a linkage block 38, and the linkage block 38 is inserted into the guide groove 37 opened on the inner side of the sliding sleeve 31.

[0033] In this embodiment, when the steel cable is wound by the unwinding roller 5, it will drive the support 1 to gradually rise. As the support 1 rises, it will drive the support block 28 to straighten the grouting pipe again, so that the grouting pipe always remains perpendicular to the bottom surface and avoids tilting. When the support 1 is pulled up, the symmetrical elastic hooks 35 are squeezed inward by a tool such as pliers, so that the elastic hooks 35 no longer get stuck in the locking hole 36. Then the compressed spring 24 will push the anti-detachment plate 33 to reset the sliding sleeve 31. And the rotating plate 24 will reverse under the action of the linkage block 38 sliding along the guide groove 37, so that the support block 28 will be pushed and reset by the spring 211 and the slider 27, so that the support block 28 is close to the axis of the support 1 again, so that the support block 28 supports the grouting pipe again, which is convenient for fixing the grouting pipe and also convenient for the next use of the grouting pipe.

[0034] In use, the high-frequency vibration grouting pipe lowering device of this utility model first fixes the bracket 4 to both sides above the grouting pile to be grouted with bolts. Then, one end of the steel cable on the unwinding roller 5 is removed, passed through the connecting buckle 22, and tied tightly. Next, the support bracket 1 is placed inside the edge of the grouting pile. At this time, a crane is used to align the bottom end of the grouting pipe with the center of the support bracket 21 and lower it. The bottom end of the grouting pipe will be inserted into the middle of the four sets of support blocks 28, and the four sets of support blocks 28 and the support bracket 21 will support the grouting pipe. When the motor 6 is started, it drives the unwinding roller 5 to rotate. Adjusting and reducing the speed of the motor 6 allows the steel cable on the unwinding roller 5 to slowly lower the placement support 21 and the support tube 1 into the grouting pile via the connecting buckle 22. By symmetrically lowering the support tube 1 and the grouting pipe with the steel cable on the unwinding roller 5, the angle of the bottom of the grouting pipe can be prevented from tilting or shifting. As the support tube 1 is gradually lowered to the bottom of the grouting pile, the rubber block 32 will first contact the bottom of the grouting pile. The thicker and more elastic rubber block... The rubber block 32 provides a certain cushioning effect. Simultaneously, as the rubber block 32 contacts the bottom of the cast-in-place pile, the support tube 1 descends under its own weight, causing the sliding sleeve 31 at the top of the rubber block 32 to gradually insert into the inner side of the support tube 1. The guide groove 37 inside the sliding sleeve 31 moves along with the sliding sleeve 31, forcing the linkage block 38 inserted into the guide groove 37 to slide along the guide groove 37, thereby driving the rotating column 212 to rotate. When the rotating column 212 rotates, it drives the rotating plate 24 to rotate as well. The arc-shaped groove 25 on the surface of the rotating plate 24 moves the lever 29, which in turn drives the slider 27 to pull back the support block 28 and retract it, thus no longer fixing the grouting pipe. This allows the motor 6 to be started in reverse so that the unwinding roller 5 can rewind the steel cable. Since the support block 28 no longer supports the grouting pipe, the steel cable will only pull up the support 1 and will not lift the grouting pipe. This prevents workers from being unaware of the appropriate grouting pipe being lowered to the bottom of the cast-in-place pile, and also avoids the bottom of the grouting pipe directly hitting the bottom of the cast-in-place pile and being damaged.

[0035] When the steel cable is wound up by the unwinding roller 5, it will cause the support rod 1 to gradually rise. As the support rod 1 rises, it will also cause the support block 28 to straighten the grouting pipe again, so that the grouting pipe always remains perpendicular to the bottom surface and avoids tilting. When the support rod 1 is pulled up, the symmetrical elastic hooks 35 are squeezed inward by a tool such as pliers, so that the elastic hooks 35 are no longer stuck in the locking hole 36. Then the compressed spring 24 will push the anti-detachment plate 33 to reset the sliding sleeve 31. And the rotating plate 24 will reverse under the action of the linkage block 38 sliding along the guide groove 37, so that the support block 28 will be pushed and reset by the spring 211 and the slider 27, so that the support block 28 is close to the axis of the support rod 1 again, so that the support block 28 supports the grouting pipe again, which is convenient for fixing the grouting pipe and also convenient for the next grouting pipe to be lowered.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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 process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-frequency vibration grouting pipe lowering device, comprising a support (1), a bracket (4), a roll unwinding roller (5), and a motor (6), characterized in that: The inner side of the bracket (4) is rotatably connected to the unwinding roller (5), and the outer side of the bracket (4) is fixedly connected to the motor (6). The output shaft of the motor (6) passes through the unwinding roller (5) and is fixedly connected. It also includes a fixing part (2) for fixing the grouting pipe and enabling the grouting pipe to be stably lowered into the grouting pile that needs to be grouted; The linkage (3) is used to release the fixing of the grouting pipe and to retract the support (1) separately without affecting the grouting pipe; The fixing part (2) includes a placement tray (21), the bottom surface of which is fixedly connected to the top surface of the support tray (1), and a connecting buckle (22) is fixedly connected to the top surface of the placement tray (21). A fixing plate (23) is fixedly connected through the inside of the support tray (1), and a rotating plate (24) is rotatably connected inside the support tray (1). An arc groove (25) is opened on the surface of the rotating plate (24), and a movable groove (26) is opened on the bottom surface of the fixing plate (23). A slider (27) is slidably connected through the inner side of the movable groove (26), and a support block (28) is fixedly connected to the surface of the slider (27).

2. The high-frequency vibration grouting pipe lowering device according to claim 1, characterized in that: A support rod (210) is fixedly connected to the inner side of the movable groove (26). The support rod (210) passes through the slider (27) and is slidably connected. A spring (211) is fixedly connected between the slider (27) and the inner side of the movable groove (26).

3. The high-frequency vibration grouting pipe lowering device according to claim 1, characterized in that: The bottom surface of the slider (27) is fixedly connected to a lever (29), which is inserted into the arc-shaped groove (25) opened on the surface of the rotating plate (24).

4. The high-frequency vibration grouting pipe lowering device according to claim 1, characterized in that: The bottom surface of the rotating plate (24) is fixedly connected to a rotating column (212), which passes through the support (1) and is rotatably connected.

5. The high-frequency vibration grouting pipe lowering device according to claim 4, characterized in that: The linkage part (3) includes a sliding sleeve (31), which passes through the support tube (1) and is slidably connected. A rubber block (32) is fixedly connected to the bottom surface of the sliding sleeve (31), and an anti-detachment plate (33) is fixedly connected to the top surface of the sliding sleeve (31). The anti-detachment plate (33) is in contact with the inner wall of the support tube (1).

6. The high-frequency vibration grouting pipe lowering device according to claim 5, characterized in that: The top surface of the anti-detachment plate (33) is fixedly connected to a second spring (34), and the top end of the second spring (34) is fixedly connected to the inner side of the support (1).

7. The high-frequency vibration grouting pipe lowering device according to claim 5, characterized in that: The top surface of the rubber block (32) is fixedly connected with an elastic hook (35), the bottom surface of the support (1) is provided with a locking hole (36), the inner side of the sliding sleeve (31) is provided with a guide groove (37), the surface of the rotating column (212) is provided with a linkage block (38), and the linkage block (38) is inserted into the guide groove (37) opened on the inner side of the sliding sleeve (31).