A prefabricated pipe pile positioning device

Abstract

The utility model relates to the field of building engineering discloses a prefabricated pipe pile positioning device, including frame body and positioning mechanism, one end of frame body is connected with the guide frame, and the guide frame is right angle structure, and the positioning mechanism is connected in the upper end surface of frame body, and the positioning mechanism includes the positioning plate that sets up in pairs, and the positioning plate that sets up in pairs is mutually synchronous under the drive of drive mechanism Close, form the positioning hole of placing prefabricated pipe pile, the utility model discloses through the positioning plate that sets up in pairs is mutually synchronous under the drive of drive mechanism Close, thereby form the positioning hole of placing prefabricated pipe pile, not only solved the problem of the resource waste that the existing positioning device and prefabricated pile size mismatch caused, but also can realize accurate positioning to prefabricated pile, ensure the accuracy of prefabricated pile's verticality and position, reduce because of the deformation and quality problem of prefabricated pile that do not stabilize cause.

Description

Technical Field

[0001] This utility model relates to the field of building engineering, specifically to a precast pipe pile positioning device. Background Technology

[0002] Precast pile construction technology is widely used due to its high efficiency and economy. Among them, prestressed pipe piles and square piles have become the common foundation form for industrial and civil buildings, bridges, ports and other infrastructure construction due to their advantages such as short construction period, high single pile bearing capacity, excellent bending and tensile performance, strong durability and controllable cost.

[0003] However, current precast pile construction lacks a dedicated device that can simultaneously handle positioning and anti-deviation, presenting a significant technical shortcoming. Traditional methods rely on instruments to determine the pile core position, then use only Φ10 steel bar markings and lime outlines for auxiliary positioning. There is no dedicated device to fix the initial pile position, nor can the pile be constrained in real-time during driving. This leads to two core problems: first, the positioning benchmark is prone to failure; the steel bar is easily obscured by the pile body during hoisting, and the lime outline is easily blurred by construction interference, failing to provide a continuous and accurate reference for pile positioning; second, the risk of pile deviation during driving is high. The lack of a device to dynamically constrain the pile's verticality and horizontal position makes the pile prone to tilting or shifting due to uneven hammering force and soil resistance, requiring rework and adjustments, resulting in project delays and increased costs.

[0004] Meanwhile, the few existing positioning devices can only achieve static positioning of single-size piles, which cannot be adapted to pipe piles of different diameters. Frequent equipment replacements are required, resulting in resource waste. Furthermore, they do not integrate real-time anti-deviation and precision control functions during the pile driving process, making it difficult to meet the dual requirements of high efficiency and high precision in modern precast pile construction. Summary of the Invention

[0005] The purpose of this utility model is to provide a precast pipe pile positioning device. By having a pair of positioning plates move closer to each other synchronously under the drive of a driving mechanism, a positioning hole for placing the precast pipe pile is formed. This not only solves the problem of resource waste caused by the mismatch between the existing positioning device and the size of the precast pile, but also enables precise positioning of the precast pile, ensuring the verticality and positional accuracy of the precast pile, and reducing deformation and quality problems of the precast pile caused by instability.

[0006] This utility model is achieved through the following technical solution: A precast pipe pile positioning device, comprising: The frame body has a guide frame connected to one end, and the guide frame has a right-angle structure. A positioning mechanism is connected to the upper end face of the frame body. The positioning mechanism includes a pair of positioning plates. The pair of positioning plates move closer to each other synchronously under the drive of the driving mechanism to form a positioning hole for placing the precast pipe pile.

[0007] In this solution, a right-angled guide frame at one end of the frame provides a stable vertical guide reference for the precast pipe piles, ensuring the verticality of the piles. The positioning plates in the positioning mechanism can move closer or further away synchronously under the action of the driving mechanism, forming an adaptively adjustable positioning hole. This not only adapts to precast pipe piles of different diameters, avoiding the waste of resources of fixed-size positioning devices, but also enables dynamic calibration of the pile position through the precise drive of the driving mechanism, reducing deformation and quality problems of the precast piles caused by instability.

[0008] Furthermore, the positioning mechanism also includes a first housing and a movable frame; The first housing is provided with a mounting cavity to accommodate the drive mechanism, and one end of the movable frame is connected to the positioning plate, while the other end of the movable frame is connected to the output end of the drive mechanism. The movable frames move closer to each other synchronously under the drive of the drive mechanism.

[0009] In this solution, the first housing and its internal mounting cavity provide installation space for the drive mechanism, protecting it from interference from the external construction environment and ensuring the stability of the drive mechanism during operation through the rigid support of the housing. The moving frame, as a transmission component connecting the positioning plate and the drive mechanism, is fixedly connected to the positioning plate at one end and linked to the output end of the drive mechanism at the other end. It can accurately transmit the power of the drive mechanism to the positioning plate, so that the paired positioning plates move synchronously closer or further apart under the drive of the moving frame, forming a dynamically adjustable positioning hole. This solves the problems of low power transmission efficiency and asynchronous movement of positioning plates caused by the dispersed structure of existing positioning devices.

[0010] Furthermore, the drive mechanism includes a fixed frame, a first link, a second link, and a second drive device; The fixed frame is fixedly connected to the middle of the mounting cavity, and the movable frame is located at both ends of the fixed frame. The middle part of the first connecting rod is rotatably connected to the middle part of the fixed frame, and the two ends of the first connecting rod are respectively hinged to the second connecting rod. The free end of the second connecting rod is hinged to the adjacent movable frame, so that the first connecting rod, the second connecting rod and the movable frame form a connecting rod structure. The output end of the second drive device is connected to one side of the movable frame, so that the movable frame moves back and forth under the drive of the second drive device.

[0011] In this design, the first and second connecting rods of the drive mechanism are integrated into the middle of the mounting cavity via a fixed frame, forming a stable mechanical support point to ensure the balance of the connecting rod structure during movement. The first and second connecting rods are hinged to form a rotatable linkage mechanism. When the second drive device drives one side of the moving frame to move back and forth, the lever transmission of the connecting rods can simultaneously drive the other side of the moving frame to move in the opposite direction, enabling the paired positioning plates to move symmetrically and synchronously closer or further apart. Compared to a single drive structure, this linkage mechanism can achieve a large range of movement of the positioning plates with a smaller driving force through the transmission and decomposition of force, while improving positioning accuracy by utilizing the mechanical gain of the connecting rod angle change.

[0012] Furthermore, the positioning mechanism also includes multiple first guide rods, which are connected to the mounting cavity, and the movable frame is sleeved on the first guide rods and can slide along the first guide rods.

[0013] In this solution, by mounting the movable frame on the first guide rod, the movable frame can only slide along the axis of the guide rod under the drive of the drive mechanism, effectively limiting its radial displacement or swing, ensuring that the paired positioning plates maintain parallel movement during synchronous approach or departure, and avoiding distortion of the positioning hole shape or uneven force on the positioning plate due to the offset of the movable frame.

[0014] Furthermore, the positioning device also includes a second adjustment mechanism, which has a moving device inside. The output end of the moving device is connected to the positioning mechanism, so that the positioning mechanism moves along the length direction of the second adjustment mechanism.

[0015] In this solution, the power output of the moving device drives the positioning mechanism to perform reciprocating linear motion in cooperation with the guide rail and guide groove of the second adjustment mechanism, thereby achieving fine adjustment of the horizontal position of the positioning hole.

[0016] Furthermore, the second adjustment mechanism also includes a second housing, the outer wall of which is connected to a guide rail, and the outer wall of the positioning mechanism is provided with a guide groove that matches the guide rail.

[0017] In this design, the guide rail on the outer wall and the guide groove on the outer wall of the positioning mechanism form a sliding fit pair, providing precise track constraints for the movement of the positioning mechanism along the length direction of the second adjustment mechanism, ensuring that the positioning mechanism maintains a straight motion trajectory during the fine adjustment of the horizontal position, and avoiding deviation or shaking.

[0018] Furthermore, the moving device includes a screw, a slider, and a first driving device; One end of the slider is fixedly connected to the positioning mechanism, and the other end of the slider is threadedly connected to the screw. When the first driving device drives the screw to rotate, the slider drives the positioning mechanism to reciprocate.

[0019] In this scheme, when the first driving device drives the screw to rotate, the screw and the slider are connected by a thread to convert the rotational motion into the linear reciprocating motion of the slider. Since one end of the slider is fixedly connected to the positioning mechanism, the positioning mechanism is driven to make precise displacement along the length direction of the second adjusting mechanism. By controlling the screw pitch, the positioning mechanism can be adjusted at the millimeter level, which meets the high precision requirements for the horizontal position of the positioning hole in the construction of precast pipe piles.

[0020] Furthermore, the moving device also includes a second guide rod, which is connected inside the second housing and passes through the slider. The slider drives the positioning mechanism to reciprocate along the second guide rod.

[0021] In this scheme, by adding a second guide rod inside the second housing of the second adjustment mechanism and cooperating with the slider, a double guiding constraint is provided for the reciprocating motion of the slider and the positioning mechanism. The second guide rod passes through the slider and is fixedly connected to the housing, so that the slider moves linearly along the axis of the guide rod under the drive of the screw, effectively limiting the radial offset or rotation that the slider may generate during the screw transmission process, and ensuring the smoothness and straightness of the positioning mechanism moving along the length direction of the second adjustment mechanism.

[0022] Furthermore, the positioning device also includes a first adjustment mechanism, which is evenly distributed at the four corners of the lower end face of the frame body; The first adjustment mechanism includes an adjustment rod and a third drive device. The adjustment rod is threadedly connected to the frame body, and the adjustment rod adjusts the thread feed amount through the third drive device.

[0023] In this design, the threaded connection between the adjusting rod and the frame body allows the thread feed to be controlled by a third drive device, thereby adjusting the extension length of the adjusting rod and finely adjusting the height of the four corners of the frame body, thus constructing a dynamic adjustment system for the levelness of the frame body.

[0024] Furthermore, the positioning device also includes a level and a control component. The level is placed on the upper surface of the frame body, and the control component is electrically connected to the level and the third drive device respectively.

[0025] In this scheme, the level instrument collects the tilt data of the frame body in real time and transmits it to the control component. When the control component detects the tilt of the frame, it automatically sends a control command to the third drive device, and adjusts the height of the four corners of the frame by adjusting the thread feed of the adjusting rod, so as to realize the dynamic calibration of the frame level.

[0026] Compared with the prior art, this utility model has the following advantages and beneficial effects: This utility model provides a vertical guiding benchmark for precast pipe piles through a right-angle guide frame at one end of the frame body, ensuring the verticality of the pile body. In addition, the pair of positioning plates in the positioning mechanism move closer or further away synchronously under the drive of the driving mechanism to form an adaptively adjustable positioning hole, which can adapt to pipe piles of different diameters and avoid the waste of resources of fixed size devices. The first adjustment mechanism at the four corners of the lower end face of the frame body of this utility model is linked with the level and control components to automatically complete the real-time calibration of the frame's levelness, adapting to complex site conditions. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a longitudinal cross-sectional structural diagram of the present invention; Figure 3 This is a schematic diagram of the transverse cross-sectional structure of this utility model.

[0028] The attached diagram shows the markings and corresponding component names: 1-Guide frame, 2-Control component, 3-Positioning mechanism, 4-Base, 5-First adjustment mechanism, 6-Second adjustment mechanism, 7-Moving frame, 8-Positioning plate, 9-Positioning ball, 10-Mounting cavity, 11-Fixed frame, 12-First connecting rod, 13-First guide rod, 14-First housing, 15-Guide rail, 16-Second housing, 17-Screw, 18-Second guide rod, 19-Slider, 20-First drive device, 21-Second connecting rod, 22-Second drive device, 23-Pulley, 24-Adjusting rod, 25-Third drive device. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model. Example 1

[0030] This embodiment 1 provides a precast pipe pile positioning device, such as Figures 1-3 As shown, it includes the frame body and positioning mechanism 3; Among them, such as Figure 1As shown, the frame body includes a base 4, which is made of rigid metal material (such as steel profile) welded or bolted together. One end of the base 4 is connected to a guide frame 1, which is a right-angle structure (such as an L-shaped steel plate frame) and is vertically fixed to one end of the base 4. The right-angled sides of the guide frame 1 correspond to the vertical direction of the precast pipe pile and the horizontal reference plane respectively, forming a rigid guide channel.

[0031] Among them, such as Figure 3 As shown, the positioning mechanism 3 is connected to the upper surface of the base 4. Specifically, the positioning mechanism 3 includes a first housing 14, a movable frame 7, and a pair of positioning plates 8. The first housing 14 is a rectangular metal housing, fixed to the upper surface of the base 4, and has an installation cavity 10 inside for accommodating the drive mechanism and transmission components and protecting them from interference from the construction environment. The movable frames 7 are arranged in pairs and are two sets of symmetrical structures. One end of each set of movable frames 7 passes through the opening in the side wall of the first housing and is fixedly connected to the external positioning plate 8, and the other end extends into the installation cavity 10 and is connected to the output end of the drive mechanism.

[0032] Meanwhile, the inner side of the positioning plate 8 is machined into an arc-shaped or semi-circular groove that matches the outer diameter of the precast pipe pile. The paired positioning plates 8 approach each other synchronously under the drive of the driving mechanism to form a positioning hole for placing the precast pipe pile. The precast pipe pile is fixed by friction or clamping force. In some embodiments, in order to enhance the friction, evenly distributed positioning balls 9 are also connected to the inner wall of the positioning plate 8, or in order to make the bottom of the precast pipe pile smoother, the positioning balls 9 are spherical and rotatable.

[0033] Please refer to the following: Figures 2-3 As shown, the aforementioned drive mechanism achieves synchronous movement of the positioning plate through linkage transmission. Specifically, it includes a fixed frame 11, a first connecting rod 12, a second connecting rod 21, and a second drive device 22. The fixed frame 11 is fixed to the middle of the mounting cavity by bolts, serving as the support base of the linkage mechanism. The movable frames 7 are located at both ends of the fixed frame 11. The middle part of the first connecting rod 12 is hinged to the middle part of the fixed frame 11, and both ends of the first connecting rod 12 are hinged to two second connecting rods 21 respectively. The free ends of the second connecting rods 21 are hinged to the movable frames 7 on the corresponding sides, thus forming a linkage transmission mechanism. When the second drive device 22 drives one side of the movable frame 7 to move, the other side of the movable frame 7 moves synchronously in the opposite direction through the lever action of the connecting rod, realizing the symmetrical opening and closing of the positioning plate 8. The second drive device 22 is a motor, hydraulic cylinder, or pneumatic cylinder.

[0034] In this embodiment, to avoid distortion of the positioning hole shape or uneven force on the positioning plate 8 due to the offset of the moving frame 7, the positioning mechanism also includes multiple first guide rods 13. The multiple first guide rods 13 are arranged in parallel in the mounting cavity 10, and both ends are fixed to the inner wall of the first housing 14. The moving frame 7 is sleeved on the first guide rods 13 and can slide along them. The first guide rods 13 restrict the radial displacement of the moving frame 7, ensuring the straightness and synchronicity of the positioning plate's movement trajectory, and avoiding tilting or jamming caused by uneven force. Example 2

[0035] This embodiment 2 provides a precast pipe pile positioning device based on embodiment 1, such as... Figures 1-3 As shown, this embodiment also includes a second adjustment mechanism 6. The second adjustment mechanism 6 is equipped with a moving device. The output end of the moving device is fixedly connected to the outer wall of the first housing 14, so that the positioning mechanism 3 moves along the length direction of the second adjustment mechanism 6.

[0036] Specifically, the second adjustment mechanism 6 also includes a second housing 16, which is fixed parallel to the upper surface of the base 4 and located below the positioning mechanism 3. The second housing 16 houses the moving device, and the outer wall is provided with a guide rail 15 (such as a T-shaped guide rail or a linear slide rail). The outer wall of the positioning mechanism 3 is provided with a guide groove that matches the guide rail 15, forming a sliding fit pair. This provides precise track constraints for the movement of the positioning mechanism 3 along the length direction of the second adjustment mechanism, ensuring that the positioning mechanism 3 maintains a linear motion trajectory during the fine adjustment of the horizontal position and avoiding deviation or shaking.

[0037] Among them, such as Figure 2 As shown, the above-mentioned moving device includes a screw 17, a slider 19 and a first driving device 20. One end of the slider 19 is fixedly connected to the positioning mechanism 3, and the other end of the slider 19 is threadedly connected to the screw 17. When the first driving device 20 drives the screw 17 to rotate, the slider 19 drives the positioning mechanism 3 to reciprocate.

[0038] In this embodiment, to ensure the smoothness and straightness of the movement of the positioning mechanism 3 along the length direction of the second adjusting mechanism 6, the moving device also includes a second guide rod 18. The second guide rod 18 is connected inside the second housing 16 and passes through the slider 19, so that the slider 19 moves linearly along the axis of the second guide rod 18 under the drive of the screw 17, effectively limiting the radial offset or rotation that the slider 19 may generate during the threaded transmission process. Example 3

[0039] This embodiment 3 provides a precast pipe pile positioning device based on embodiment 1 or embodiment 2, such as... Figures 1-3 As shown, this embodiment also includes a first adjustment mechanism 5, which is evenly distributed at the four corners of the lower end face of the base 4; The first adjustment mechanism 5 includes an adjustment rod 24 and a third drive device 25. The adjustment rod 24 is threadedly connected to the base 4. The third drive device 25 is a motor with a reducer, which is installed inside or outside the base 4 and connected to the upper end of the adjustment rod 24 through a coupling. It drives the adjustment rod 24 to rotate to change the thread feed amount, thereby realizing the independent adjustment of the height of the four corners of the frame. Of course, the adjustment rod 24 can also be rotated manually to change the thread feed amount. Example 4

[0040] This embodiment 4 provides a precast pipe pile positioning device based on embodiment 3, such as... Figures 1-3 As shown, when the third drive device 25 is a motor with a reducer, this embodiment also includes a level and a control component 2. The level is placed on the upper surface of the base 4. The control component 2 is electrically connected to the level and the third drive device 25 respectively. The level collects the tilt data of the positioning mechanism 3 in real time and transmits it to the control component 2. When the control component 2 detects the tilt of the frame, it automatically sends a control command to the third drive device 25 and adjusts the height of the four corners of the frame by adjusting the thread feed of the adjusting rod 24 to achieve dynamic calibration of the frame level.

[0041] In some embodiments, a pulley 23 is also included, which is a caster wheel and is connected to the lower end of the first adjustment mechanism 5.

[0042] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A precast pipe pile positioning device, characterized in that, include: The frame body has a guide frame (1) connected to one end, and the guide frame (1) is a right-angle structure; The positioning mechanism (3) is connected to the upper end face of the frame body. The positioning mechanism (3) includes a pair of positioning plates (8). The pair of positioning plates (8) move closer to each other synchronously under the drive of the driving mechanism to form a positioning hole for placing the precast pipe pile.

2. The precast pipe pile positioning device according to claim 1, characterized in that, The positioning mechanism (3) also includes a first housing (14) and a movable frame (7). The first housing (14) is provided with a mounting cavity (10) for accommodating the drive mechanism, and one end of the movable frame (7) is connected to the positioning plate (8), and the other end of the movable frame (7) is connected to the output end of the drive mechanism. The movable frames (7) move closer to each other synchronously under the drive of the drive mechanism.

3. A precast pipe pile positioning device according to claim 2, characterized in that, The drive mechanism includes a fixed frame (11), a first connecting rod (12), a second connecting rod (21), and a second drive device (22). The fixed frame (11) is fixedly connected to the middle of the mounting cavity (10), and the movable frame (7) is located at both ends of the fixed frame (11); The middle part of the first connecting rod (12) is rotatably connected to the middle part of the fixed frame (11). The two ends of the first connecting rod (12) are respectively hinged to the second connecting rod (21). The free end of the second connecting rod (21) is hinged to the adjacent movable frame (7), so that the first connecting rod (12), the second connecting rod (21) and the movable frame (7) form a connecting rod structure. The output end of the second drive device (22) is connected to one side of the movable frame (7) so that the movable frame (7) moves back and forth under the drive of the second drive device (22).

4. A precast pipe pile positioning device according to claim 3, characterized in that, The positioning mechanism (3) also includes multiple first guide rods (13), the first guide rods (13) are connected in the mounting cavity (10), and the movable frame (7) is sleeved on the first guide rods (13) and can slide along the first guide rods (13).

5. A precast pipe pile positioning device according to any one of claims 1-4, characterized in that, The positioning device further includes a second adjustment mechanism (6), which has a moving device inside. The output end of the moving device is connected to the positioning mechanism (3), so that the positioning mechanism (3) moves along the length direction of the second adjustment mechanism (6).

6. A precast pipe pile positioning device according to claim 5, characterized in that, The second adjustment mechanism (6) also includes a second housing (16), the outer side wall of the second housing (16) is connected to a guide rail (15), and the outer side wall of the positioning mechanism (3) is provided with a guide groove that matches the guide rail (15).

7. A precast pipe pile positioning device according to claim 6, characterized in that, The moving device includes a screw (17), a slider (19), and a first driving device (20). One end of the slider (19) is fixedly connected to the positioning mechanism (3), and the other end of the slider (19) is threadedly connected to the screw (17). When the first driving device (20) drives the screw (17) to rotate, the slider (19) drives the positioning mechanism (3) to reciprocate.

8. A precast pipe pile positioning device according to claim 7, characterized in that, The moving device also includes a second guide rod (18), which is connected inside the second housing (16) and passes through the slider (19). The slider (19) drives the positioning mechanism (3) to reciprocate along the second guide rod (18).

9. A precast pipe pile positioning device according to claim 8, characterized in that, The positioning device further includes a first adjustment mechanism (5), which is evenly distributed at the four corners of the lower end face of the frame body; The first adjustment mechanism (5) includes an adjustment rod (24) and a third drive device (25). The adjustment rod (24) is threadedly connected to the frame body, and the adjustment rod (24) adjusts the thread feed amount through the third drive device (25).

10. A precast pipe pile positioning device according to claim 9, characterized in that, The positioning device also includes a level and a control component (2). The level is placed on the upper surface of the frame body, and the control component (2) is electrically connected to the level and the third drive device (25).

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