Dry-method land frame bottom discharging automatic pile driver

The design of the automatic pile driver with bottom discharge in dry land piling equipment solves the problems of low filling efficiency and unstable pile frame in dry piling equipment, realizes automated filling and vertical stability of pile frame, and improves construction efficiency and safety.

CN224186740UActive Publication Date: 2026-05-01BEIJING VIBROFLOTATION ENG MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING VIBROFLOTATION ENG MACHINERY
Filing Date
2025-04-30
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing dry piling equipment suffers from problems such as low filling efficiency, uneven filling, material overflow at the borehole, and tilting or displacement of the pile frame, which affect construction quality and safety.

Method used

Design an automatic piling machine with bottom discharge on a dry land rack. It achieves automated filling through the combination of support, pile frame, slide, hopper, material pipe and vibrator. An inclined bracing mechanism is set between the pile frame and the support to maintain the vertical stability of the pile frame. The opening and closing of the hopper is controlled by a cylinder to achieve precise filling.

Benefits of technology

It enables automated and continuous operation of filling after piling, improving construction efficiency and quality, ensuring the verticality and stability of the pile frame during piling and filling, avoiding uneven filling and overflow at the orifice, and enhancing the overall safety and precision of construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of pile foundation construction equipment, and particularly relates to a dry-method land frame bottom discharging automatic pile driver which comprises a support, a pile frame is arranged at one end of the support, a sliding frame is connected to one side of the pile frame in a sliding mode, a stock bin is connected to the bottom of the sliding frame, and a material pipe and a guide rod are connected to the bottom of the stock bin and are arranged side by side. The bottom of the guide rod is connected with a vibration head, the pile frame is slidably connected with a lifting frame, the interior of the lifting frame is connected with a hopper, an inclined supporting mechanism is arranged between the pile frame and the support, the inclined supporting mechanism comprises an inclined supporting rod, a second air cylinder and a reinforcing mechanism, and the reinforcing mechanism comprises foot rods, longitudinal rods, transverse rods and reinforcing rods. A first cylinder is arranged between the bin door and the hopper; automation of piling and bottom filling is achieved, the construction efficiency is improved, uneven filling and ground pollution are avoided, meanwhile, it is ensured that the pile frame keeps stable in the construction process by arranging the inclined strut mechanism, the pile frame is prevented from inclining, and the construction quality and safety are improved.
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Description

A dry-process land-based automatic pile driver with bottom discharge. Technical Field

[0001] This utility model belongs to the technical field of pile foundation construction equipment, specifically relating to a dry-method land-based automatic pile driver with bottom material discharge. Background Technology

[0002] Currently, pile driving is often required during foundation construction to enhance the bearing capacity of the foundation. Traditional pile driving equipment mostly uses wet methods, which involves injecting mud or water into the pile hole while driving the pile to reduce the risk of hole wall collapse. However, wet methods can easily pollute the surrounding environment and increase the difficulty of subsequent cleanup and treatment. Therefore, dry pile driving technology is gradually being promoted in some areas, which involves directly driving piles under dry soil conditions and simultaneously backfilling the bottom of the hole.

[0003] Existing dry piling equipment generally employs a simple piling structure. After piling is completed, filler material needs to be poured into the pile hole manually or using other auxiliary equipment. This not only results in low filler material handling efficiency but also easily leads to fluctuations in construction quality due to uneven filler material distribution or overflow at the hole opening. Furthermore, during piling operations, the high height and complex stress distribution of the pile frame structure make it prone to tilting or shifting, affecting piling accuracy and operational safety. Summary of the Invention

[0004] To address the problems existing in the prior art, the purpose of this utility model is to provide an automatic dry-method land frame bottom discharge piling machine. It can achieve automated bottom filling after piling is completed, and at the same time provide stable support for the pile frame during the piling and filling process. This dry-method piling equipment can improve piling construction efficiency, filling accuracy and overall construction safety.

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

[0006] A dry-method land-based automatic pile driver with bottom discharge includes a support frame, a pile frame is provided at one end of the support frame, a slide is slidably connected to one side of the pile frame, a material hopper is connected to the bottom of the slide, a material pipe and a guide rod are connected to the bottom of the material hopper, and the material pipe and the guide rod are arranged side by side.

[0007] The bottom of the guide rod is connected to a vibratory head for pile driving;

[0008] A lifting frame is slidably connected to the pile frame, and a hopper for storing filler is connected inside the lifting frame;

[0009] During filling, the lifting frame moves the hopper containing the filler along the pile frame toward the silo, transferring the filler from the hopper into the silo, and the filler enters the pile hole along the material pipe.

[0010] A diagonal bracing mechanism is provided between the pile frame and the support, which is used to reinforce the position of the pile frame.

[0011] Furthermore, the diagonal bracing mechanism includes diagonal bracing rods distributed on both sides of the pile frame and the support, and the support, pile frame and diagonal bracing rods form a triangular structure.

[0012] Furthermore, a second cylinder is connected to the bottom end of the diagonal brace.

[0013] Furthermore, a reinforcement mechanism is provided between the diagonal brace and the bracket;

[0014] The reinforcement mechanism includes a leg connected to the support, and the leg is A-shaped.

[0015] The top of the leg is connected to a longitudinal bar, and both sides of the longitudinal bar are provided with horizontal bars. The other end of the horizontal bars is connected to the diagonal brace.

[0016] Furthermore, a reinforcing rod is connected between the longitudinal bar and the transverse bar;

[0017] The longitudinal bars, transverse bars, and reinforcing bars form a triangle.

[0018] Furthermore, a door is provided at the bottom of the hopper, and a first cylinder is provided between the door and the hopper. The first cylinder is used to control the opening and closing of the door.

[0019] The hopper is equipped with a feed inlet at the top.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] This invention, through a reasonable combination of support frame, pile frame, slide frame, hopper, material pipe, guide rod and vibrator, enables the direct conveying of fill material from the hopper to the hopper via the lifting frame after pile driving, and then the fill material falling into the bottom of the pile hole via the material pipe. This achieves automated and continuous operation of fill material after pile driving, effectively avoiding the problems of low efficiency, uneven filling and unstable construction quality caused by manual material dumping in traditional dry construction, and improving the overall operation efficiency and reliability of foundation construction.

[0022] This utility model provides a diagonal bracing mechanism between the pile frame and the support frame. The diagonal bracing mechanism includes a diagonal bracing rod, a second cylinder, and a reinforcing mechanism. The reinforcing mechanism further includes a foot rod, a longitudinal rod, a transverse rod, and a reinforcing rod. The formation of the triangular stable structure ensures that the pile frame can maintain a vertical and stable state during pile driving and filling operations. This effectively solves the problem that the pile frame in existing equipment is prone to tilting or displacement due to vibration or external forces, thereby ensuring the verticality of the pile body and the construction quality of the foundation reinforcement.

[0023] This invention achieves controllable release of filler material by setting a hopper door at the bottom of the hopper and controlling the opening and closing of the hopper door with a first cylinder. At the same time, through the connection and cooperation between the feed inlet at the top of the hopper and the material pipe, the filler material can be accurately guided to the bottom of the pile hole, avoiding the problems of uneven filler material accumulation, blockage or overflow that occur during the filler material process in the prior art, and further ensuring the continuity, uniformity and standardization of the filler material operation. Attached Figure Description

[0024] Figure 1 is a schematic diagram of the structure of this utility model;

[0025] Figure 2 is an enlarged view of point A in Figure 1;

[0026] Figure 3 is a schematic diagram of the diagonal bracing mechanism of this utility model.

[0027] Figure 4 is a schematic diagram of the diagonal bracing mechanism of this utility model.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1. Bracket;

[0030] 2. Pile frame;

[0031] 3. Carriage;

[0032] 4. Hopper; 41. Feed inlet; 42. Feed pipe; 43. Guide rod; 44. Vibrator head;

[0033] 5. Lifting frame;

[0034] 6. Hopper; 61. Bin door; 62. First cylinder;

[0035] 7. Diagonal bracing mechanism;

[0036] 71. Diagonal brace; 711. Second cylinder;

[0037] 72. Reinforcement mechanism;

[0038] 721. Leg bar; 722. Vertical bar; 723. Horizontal bar; 724. Reinforcing bar. Detailed Implementation

[0039] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0040] Referring to Figures 1-4, a dry-method land-based automatic pile driver with bottom discharge includes a support frame 1 made of high-strength steel, used to support the overall structure and bear construction loads; a pile frame 2 is provided at one end of the support frame 1, which is vertically installed and serves as a moving guide support component for the slide frame 3 and the lifting frame 5; the slide frame 3 is slidably connected to one side of the pile frame 2, and the slide frame 3 cooperates with the guide rail of the pile frame 2 through rollers to make the sliding process stable and smooth; a material bin 4 is connected to the bottom of the slide frame 3, which is a rectangular box structure used for temporary storage of fill material; a material pipe 42 and a guide rod 43 are connected to the bottom of the material bin 4, the material pipe 42 is a hollow circular tube structure to facilitate the smooth falling of fill material, and the guide rod 43 is a solid cylindrical structure used to transmit the vibration pile driving force; the material pipe 42 and the guide rod 43 are arranged side by side, ensuring that the pile driving and fill material channels are independent and do not interfere with each other, further improving the work efficiency and construction quality.

[0041] The bottom of the guide rod 43 is connected to a vibrating head 44 for pile driving. The vibrating head 44 is an electric or hydraulic vibrating head that can output high-frequency vibration energy to break the soil and push the pile body to sink to a predetermined depth. The vibrating head 44 and the guide rod 43 are connected by threads, which facilitates installation and disassembly, while ensuring efficient transmission of vibration energy and improving the construction efficiency and construction quality stability of the pile driving operation.

[0042] A lifting frame 5 is slidably connected to the pile frame 2. The lifting frame 5 includes a sliding block and its connecting bracket installed on the guide rail of the pile frame 2, which can slide up and down along the pile frame 2 under the action of the power device. The inside of the lifting frame 5 is connected to a hopper 6 for storing filler. The hopper 6 is a sealed structure with a feeding port at the top for easy pre-filling of filler and a discharge mechanism at the bottom for precise discharge control. When filling, the lifting frame 5 drives the hopper 6 containing filler to move along the pile frame 2 toward the direction of the silo 4. The precise positioning mechanism connects the hopper 6 with the inlet 41 of the silo 4, transferring the filler in the hopper 6 into the silo 4. The filler enters the pile hole along the material pipe 42, ensuring that the filler can reach the bottom directly, avoiding blockage or offset accumulation at the orifice, thereby improving the compaction of the filler and the reliability of construction.

[0043] A diagonal bracing mechanism 7 is provided between the pile frame 2 and the support 1. The diagonal bracing mechanism 7 includes support components distributed on both sides of the pile frame 2. The diagonal bracing mechanism 7 is used to reinforce the position of the pile frame 2. Through the mechanical support structure, it effectively prevents the pile frame from tilting or displacing due to external forces or soil changes during the pile driving process, and ensures the stability and safety of the overall construction process.

[0044] Referring to Figures 1-3, the diagonal bracing mechanism 7 includes diagonal bracing rods 71 ​​distributed on both sides of the pile frame 2 and the support 1. The diagonal bracing rods 71 ​​are made of rectangular tubes and have good bending and compressive strength to ensure stable support. The support 1, the pile frame 2 and the diagonal bracing rods 71 ​​form a triangular structure. The triangular structure has good structural stability and mechanical properties, which can effectively distribute the construction load and prevent the pile frame 2 from overturning laterally during pile driving and filling.

[0045] Referring to Figure 3, the bottom end of the diagonal brace 71 is connected to a second cylinder 711. The second cylinder 711 is fixed to the bottom of the bracket 1. By extending and retracting the length of the diagonal brace 71, the angle and verticality of the pile frame 2 can be finely adjusted. The second cylinder 711 is made of high pressure resistant and corrosion resistant materials to ensure stable performance in complex construction environments and improve the safety and accuracy of the overall operation.

[0046] Referring to Figures 3-4, a reinforcing mechanism 72 is provided between the diagonal brace 71 and the support 1. The reinforcing mechanism 72 is used to further enhance the connection stability between the diagonal brace 71 and the support 1, and to prevent the connection from loosening due to long-term vibration or external force. The reinforcing mechanism 72 includes a foot rod 721 connected to the support 1. The foot rod 721 adopts an A-shaped structure design, which improves the overall stability by increasing the structural height and the bottom support width. The top of the foot rod 721 is connected to a longitudinal rod 722. The longitudinal rod 722 is a high-strength rectangular rod arranged along the direction of the pile frame 2 to bear the longitudinal load. Both sides of the longitudinal rod 722 are provided with a horizontal rod 723. The horizontal rod 723 is a connector that extends laterally and connects to the diagonal brace 71 to further form a stable connection system. The other end of the horizontal rod 723 is connected to the diagonal brace 71 and fixed by bolts to ensure a reliable connection and convenient assembly and disassembly.

[0047] Referring to Figure 3-4, a reinforcing rod 724 connects the longitudinal rod 722 and the transverse rod 723. The reinforcing rod 724 obliquely connects the longitudinal rod 722 and the transverse rod 723 to form an internal reinforcement structure. The longitudinal rod 722, the transverse rod 723 and the reinforcing rod 724 form a stable triangular structure. This triangular structure can effectively distribute the forces in all directions, improve the overall stability and load-bearing capacity of the diagonal bracing mechanism 7, and further ensure the uprightness and operational accuracy of the pile frame 2 during the pile driving and filling process.

[0048] Referring to Figures 1-2, a door 61 is provided at the bottom of the hopper 6. The door 61 is a flap-type opening and closing structure, connected to the bottom plate of the hopper 6 by a pivot pin, so as to open and close freely. A first cylinder 62 is provided between the door 61 and the hopper 6. The first cylinder 62 is fixed below the hopper 6. The door 61 is opened and closed by controlling the extension and retraction of the piston rod, so as to ensure the continuity and sealing of the filling process and avoid splashing or stagnation during the filling process. A feed inlet 41 is provided at the top of the hopper 4. The feed inlet 41 is aligned with the door 61 below the hopper 6, so as to facilitate the accurate delivery of the filler into the hopper 4 and ensure that the filler falls smoothly into the bottom of the pile hole along the feed pipe 42, thereby improving the filling efficiency and the quality of the pile hole.

[0049] The working principle of this utility model is as follows:

[0050] When in use, fix the bracket 1 at the position to be piled, and then adjust the extension and retraction of the second cylinder 711 to adjust the overall length of the diagonal brace 71 so that the pile frame 2 is perpendicular to the ground, and then drive the pile through the vibrator 44.

[0051] After the piling is completed, the filler is loaded into the hopper 6, and the hopper 6 is lifted to the position of the silo 4 by the lifting frame 5. Then, the silo door 61 at the bottom of the hopper 6 is opened by the first cylinder 62, allowing the filler in the hopper 6 to fall into the feed inlet 41. The filler will fall into the pile hole through the feed pipe 42; thus, the filler can be directly dropped into the bottom of the pile hole.

[0052] During the piling and filling process, the inclined bracing mechanism 7 located on one side of the pile frame 2 always provides support to the pile frame 2, thereby preventing the pile frame 2 from tilting during use.

[0053] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A dry-process land-based automatic pile driver with bottom discharge, characterized in that: The system includes a support frame (1), a pile frame (2) at one end of the support frame (1), a slide frame (3) slidably connected to one side of the pile frame (2), a hopper (4) connected to the bottom of the slide frame (3), a material pipe (42) and a guide rod (43) connected to the bottom of the hopper (4), and the material pipe (42) and the guide rod (43) are arranged side by side; a vibrator (44) for pile driving is connected to the bottom of the guide rod (43); and a lifting frame (5) is slidably connected to the pile frame (2). The lifting frame (5) is internally connected to a hopper (6) for storing filler. When filling, the lifting frame (5) drives the hopper (6) containing filler to move along the pile frame (2) toward the direction of the silo (4), transferring the filler in the hopper (6) into the silo (4), and the filler enters the pile hole along the material pipe (42). A diagonal bracing mechanism (7) is provided between the pile frame (2) and the support (1), and the diagonal bracing mechanism (7) is used to reinforce the position of the pile frame (2).

2. The dry-process land-based automatic pile driver with bottom discharge as described in claim 1, characterized in that: The inclined bracing mechanism (7) includes inclined bracing rods (71) distributed on both sides of the pile frame (2) and the support (1), and the support (1), the pile frame (2) and the inclined bracing rods (71) form a triangular structure.

3. The dry-process land-based automatic pile driver with bottom discharge as described in claim 2, characterized in that: The bottom end of the diagonal brace (71) is connected to a second cylinder (711).

4. The dry-process land-based automatic pile driver with bottom discharge as described in claim 2, characterized in that: A reinforcing mechanism (72) is provided between the diagonal brace (71) and the bracket (1); the reinforcing mechanism (72) includes a foot rod (721) connected to the bracket (1), the foot rod (721) is A-shaped; a vertical rod (722) is connected to the top of the foot rod (721), and a horizontal rod (723) is provided on both sides of the vertical rod (722), the other end of the horizontal rod (723) is connected to the diagonal brace (71).

5. The dry-process land-based automatic pile driver with bottom discharge as described in claim 4, characterized in that: A reinforcing rod (724) connects the longitudinal rod (722) and the transverse rod (723); the longitudinal rod (722), the transverse rod (723) and the reinforcing rod (724) form a triangle.

6. The dry-process land-based automatic pile driver with bottom discharge as described in claim 1, characterized in that: The bottom of the hopper (6) is provided with a door (61), and a first cylinder (62) is provided between the door (61) and the hopper (6). The first cylinder (62) is used to control the opening and closing of the door (61); the top of the hopper (4) is provided with a feed inlet (41).