Intelligent hoisting and positioning mechanism for bridge construction

Abstract

This utility model relates to the technical field of bridge construction equipment, specifically an intelligent hoisting and positioning mechanism for bridge construction. It includes a crossbeam and a tripod. The crossbeam is fixedly installed between two sets of tripods. The output end of a servo motor is fixedly connected to a screw. A movable plate is threaded onto the surface of the screw. A hoisting structure is fixedly connected to the top of the movable plate. A pull rope is wound around the surface of the hoisting structure. A feeding platform is fixedly connected to the end of the pull rope away from the hoisting device. A clamping mechanism is provided on the surface of the feeding platform. This utility model achieves high-precision positioning for material hoisting by using a servo motor to drive the screw and control the movable plate. Combined with the precise lifting and lowering of the hoisting structure and the stable clamping and flexible adjustment of the material by the feeding platform and clamping mechanism, it enhances stability and adapts to various complex construction scenarios and the hoisting needs of different materials.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction equipment technology, and in particular to an intelligent hoisting and positioning mechanism for bridge construction. Background Technology

[0002] With the rapid growth of traffic flow, multi-level bridges, which allow vehicles to travel on different bridge decks, have alleviated urban traffic congestion and become major urban transportation hubs.

[0003] In existing technologies, traditional bridge construction hoisting equipment often employs simple mechanical structures and rudimentary control methods. On the one hand, the positioning system lacks high-precision drive and feedback devices, making it difficult to accurately hoist materials to the precise locations required for bridge construction. For example, when installing critical bridge components, positioning deviations may necessitate repeated adjustments, severely impacting construction efficiency and potentially damaging components, thus affecting the overall quality of the bridge. On the other hand, the hoisting structure is typically relatively simple and fixed. Faced with materials of different shapes, weights, and sizes, as well as complex and diverse construction site conditions such as narrow construction spaces and uneven ground, it cannot flexibly perform hoisting operations, requiring frequent equipment changes or complex auxiliary settings, greatly reducing the flexibility and convenience of construction. Utility Model Content

[0004] The purpose of this invention is to solve the problems of insufficient positioning accuracy and poor flexibility of hoisting structure in the existing technology, and to propose an intelligent hoisting and positioning mechanism for bridge construction.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an intelligent hoisting and positioning mechanism for bridge construction, comprising a crossbeam and a tripod. The crossbeam is fixedly installed in the middle of two sets of tripods. The crossbeam includes a sliding rod, a first connecting plate, and a second connecting plate. The first connecting plate is fixedly connected to one side surface of the sliding rod, and the side of the first connecting plate is fixedly connected to the tripod. The second connecting plate is fixedly connected to the other side surface of the sliding rod. A screw is rotatably connected between the first connecting plate and the second connecting plate. A servo motor is fixedly installed on the side of the second connecting plate. The output end of the servo motor is fixedly connected to the screw. A moving plate is threadedly connected to the surface of the screw. A hoisting structure is fixedly connected to the top of the moving plate. A pull rope is wound around the surface of the hoisting structure. A feeding platform is fixedly connected to the end of the pull rope away from the hoisting device. A clamping mechanism is provided on the surface of the feeding platform.

[0006] Furthermore, the hoisting structure includes a first fixed plate and a second fixed plate, both of which are fixedly connected to the top of the movable plate. A first motor is fixedly installed on the side of the first fixed plate, and a winding roller is fixedly connected to the output end of the first motor. The end of the winding roller away from the first motor is rotatably connected to the second fixed plate, thereby achieving the function of flexibly hoisting materials.

[0007] Furthermore, the feeding platform includes a top plate, which is fixedly connected to the end of the pull rope away from the hoisting device. A first support plate is fixedly connected to one bottom end of the top plate, and a second support plate is fixedly connected to the other bottom end of the top plate. A connecting rod is fixedly connected between the first and second support plates. Electric push rods are fixedly connected to the sides of both the first and second support plates. An L-shaped load-bearing plate is fixedly connected to the telescopic end of the electric push rod. A movable block is provided on the top of the L-shaped load-bearing plate. The movable block is slidably connected to the connecting rod. The clamping mechanism is located on the outer side of the L-shaped load-bearing plate and adjusts the bearing position according to the size of the material to achieve the effect of stably bearing materials of different specifications.

[0008] Furthermore, the clamping mechanism includes a slot and a clamping bar. The L-shaped load-bearing plate has a slot on its side. A locking block is fixedly connected to the surface of the L-shaped load-bearing plate. A lead screw is threaded into the internal part of the locking block. The end of the lead screw away from the locking block is rotatably connected to the clamping bar. A rotating disk is fixedly connected to the end of the lead screw away from the clamping bar. The clamping bar passes through the slot and moves up and down on the surface of the L-shaped load-bearing plate to firmly clamp the material and prevent the material from shaking during hoisting.

[0009] Furthermore, the movable plate includes a slider, which is slidably connected to a slide rod. A connecting block is fixedly connected to the top of the slider, and the connecting block is threadedly connected to a screw. An mounting plate is fixedly connected to the top of the connecting block. The movable plate moves smoothly and accurately positions the hoisting location.

[0010] Furthermore, the tripod includes a first support rod and a second support rod, both of which are rotatably connected to the side of the first connecting plate. The bottom ends of both the first and second support rods are fixedly connected to a base, and a telescopic rod is fixedly connected between the first and second support rods to adapt to different construction site terrains and enhance the stability of the mechanism.

[0011] Furthermore, the base includes a movable seat, which is movably connected to the bottom end of the first support rod via a pivot. A support pad is fixedly connected to the bottom of the movable seat, further improving the stability of the mechanism under different ground conditions.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] In this invention, a servo motor drives a screw to precisely control the movement of the moving plate. Combined with the precise lifting and lowering of the hoisting structure and the stable clamping and flexible adjustment of the material by the feeding platform and clamping mechanism, high-precision positioning for material hoisting is achieved. Positioning errors are controlled within a minimal range, effectively improving the efficiency and quality of bridge construction and reducing construction delays and material losses caused by inaccurate positioning. The support angle and height can be adjusted via the telescopic rod of the tripod, and the movable seat and support pad of the base enhance stability. The hoisting structure allows for flexible extension and retraction of the pull rope, and the feeding platform can adjust its bearing position according to the material. This allows the mechanism to adapt to various complex construction scenarios and the hoisting needs of different materials. Whether in narrow spaces, on uneven ground, or with materials of various shapes and weights, it can efficiently hoist materials, exhibiting strong flexibility and adaptability, reducing construction costs and improving construction efficiency. Attached Figure Description

[0014] Figure 1 This utility model provides a three-dimensional structural diagram of an intelligent hoisting and positioning mechanism for bridge construction;

[0015] Figure 2 This utility model provides a structural diagram of the hoisting structure in an intelligent hoisting and positioning mechanism for bridge construction;

[0016] Figure 3 This utility model provides a structural schematic diagram of the feeding platform in an intelligent hoisting and positioning mechanism for bridge construction, viewed from below.

[0017] Figure 4 This utility model provides a structural diagram of the clamping structure in an intelligent hoisting and positioning mechanism for bridge construction.

[0018] Figure 5 This is a schematic diagram of the triangular frame structure of an intelligent hoisting and positioning mechanism for bridge construction according to this utility model.

[0019] Legend:

[0020] 1. Crossbeam; 11. Slide rod; 12. First connecting plate; 13. Second connecting plate; 14. Screw; 15. Servo motor; 2. Tripod; 21. First support rod; 22. Second support rod; 23. Base; 231. Movable seat; 232. Support pad; 24. Telescopic rod; 3. Moving plate; 31. Sliding block; 32. Connecting block; 33. Mounting plate; 4. Lifting structure; 41. First fixed plate; 42. First motor; 43. Winding roller; 44. Second fixed plate; 5. Pull rope; 6. Feeding platform; 61. Top plate; 62. First support plate; 63. Second support plate; 64. Connecting rod; 65. Electric actuator; 66. L-shaped load-bearing plate; 67. Moving block; 7. Clamping mechanism; 71. Slot; 72. Clamping strip; 73. Locking block; 74. Lead screw; 75. Rotating disk. Detailed Implementation

[0021] Please see Figure 1-5 This utility model provides a technical solution: an intelligent hoisting and positioning mechanism for bridge construction, including a crossbeam 1 and a triangular frame 2. The crossbeam 1 is fixedly installed in the middle of two sets of triangular frames 2. A movable plate 3 is threadedly connected to the surface of the screw 14. A hoisting structure 4 is fixedly connected to the top of the movable plate 3. A pull rope 5 is wound around the surface of the hoisting structure 4. A feeding platform 6 is fixedly connected to the end of the pull rope 5 away from the hoisting device. A clamping mechanism 7 is provided on the surface of the feeding platform 6.

[0022] The specific configuration and function of its crossbeam 1, hoisting structure 4, and clamping mechanism 7 will be discussed below.

[0023] In this embodiment: the crossbeam 1 includes a slide rod 11, a first connecting plate 12 and a second connecting plate 13. The first connecting plate 12 is fixedly connected to one side surface of the slide rod 11. The side surface of the first connecting plate 12 is fixedly connected to the tripod 2. The second connecting plate 13 is fixedly connected to the other side surface of the slide rod 11. A screw 14 is rotatably connected between the first connecting plate 12 and the second connecting plate 13. A servo motor 15 is fixedly installed on the side surface of the second connecting plate 13. The output end of the servo motor 15 is fixedly connected to the screw 14.

[0024] The aforementioned components achieve the following effects: the crossbeam 1 serves as the horizontal support component of the entire hoisting and positioning mechanism, and is securely connected to the tripod 2 via the first connecting plate 12, providing a lateral operating range for hoisting operations. The slide bar 11 provides a track for the sliding of the moving plate 3, ensuring that the moving plate 3 can move smoothly left and right, and accurately move the hoisting structure 4 directly above the material or to the target hoisting position.

[0025] Specifically, the hoisting structure 4 includes a first fixed plate 41 and a second fixed plate 44. Both the first fixed plate 41 and the second fixed plate 44 are fixedly connected to the top of the movable plate 3. A first motor 42 is fixedly installed on the side of the first fixed plate 41. A winding roller 43 is fixedly connected to the output end of the first motor 42. The end of the winding roller 43 away from the first motor 42 is rotatably connected to the second fixed plate 44.

[0026] The aforementioned components achieve the following effect: when the first motor 42 starts, its output torque drives the winding roller 43 to rotate, and the rotation of the winding roller 43 realizes the winding and unwinding action of the rope 5. By precisely controlling the forward and reverse rotation and speed of the first motor 42, the lifting height of the feeding table 6 can be accurately adjusted.

[0027] Specifically, the feeding platform 6 includes a top plate 61, which is fixedly connected to the end of the pull rope 5 away from the hoisting device. A first support plate 62 is fixedly connected to one end of the bottom of the top plate 61, and a second support plate 63 is fixedly connected to the other end of the bottom of the top plate 61. A connecting rod 64 is fixedly connected between the first support plate 62 and the second support plate 63. Electric push rods 65 are fixedly connected to the sides of both the first support plate 62 and the second support plate 63. An L-shaped load-bearing plate 66 is fixedly connected to the telescopic end of the electric push rod 65. A moving block 67 is provided on the top of the L-shaped load-bearing plate 66. The moving block 67 is slidably connected to the connecting rod 64. The clamping mechanism 7 is located on the outer side of the L-shaped load-bearing plate 66.

[0028] The effect achieved by the above components is as follows: When facing materials of different specifications and sizes, the electric actuator 65 is activated, and its telescopic end pushes the L-shaped load-bearing plate 66 to slide along the connecting rod 64. Through the sliding cooperation between the moving block 67 and the connecting rod 64, the position of the L-shaped load-bearing plate 66 can be flexibly adjusted, so that the feeding platform 6 can find the best bearing position according to the size and shape of the material, effectively ensuring the stability of the center of gravity of the material during the hoisting process, preventing the material from shaking or falling due to the shift of the center of gravity, and ensuring the safety and stability of the hoisting process.

[0029] In this embodiment: the clamping mechanism 7 includes a slot 71 and a clamping bar 72. The side of the L-shaped load-bearing plate 66 has a slot 71. A locking block 73 is fixedly connected to the surface of the L-shaped load-bearing plate 66. A lead screw 74 is threadedly connected inside the locking block 73. The end of the lead screw 74 away from the locking block 73 is rotatably connected to the clamping bar 72. A rotating disk 75 is fixedly connected to the end of the lead screw 74 away from the clamping bar 72. The clamping bar 72 passes through the slot 71 and moves up and down on the surface of the L-shaped load-bearing plate 66.

[0030] The effect achieved by the above components is as follows: by rotating the rotating disk 75, the rotating disk 75 drives the lead screw 74 to rotate within the clamping block 73. Since the lead screw 74 and the clamping block 73 are threadedly connected, and the lead screw 74 is rotatably connected to the clamping bar 72, the clamping bar 72 can move up and down within the slot 71 under the drive of the lead screw 74. The position of the clamping bar 72 can be precisely adjusted according to the thickness or shape of the material, and the material is tightly clamped on the L-shaped load-bearing plate 66, further enhancing the stability of the material during the hoisting process.

[0031] Specifically, the movable plate 3 includes a slider 31, which is slidably connected to the slider rod 11. A connecting block 32 is fixedly connected to the top of the slider 31. The connecting block 32 is threadedly connected to the screw rod 14. A mounting plate 33 is fixedly connected to the top of the connecting block 32.

[0032] The effects achieved by the above components are as follows: the sliding connection between the slider 31 and the slide rod 11 ensures the smoothness and stability of the movement of the moving plate 3, and reduces friction and shaking during the movement. The threaded connection between the connecting block 32 and the screw 14 allows the connecting block 32 to drive the entire moving plate 3 to make precise position adjustments along the slide rod 11 when the servo motor 15 drives the screw 14 to rotate.

[0033] Specifically, the tripod 2 includes a first support rod 21 and a second support rod 22. Both the first support rod 21 and the second support rod 22 are rotatably connected to the side of the first connecting plate 12. The bottom ends of the first support rod 21 and the second support rod 22 are fixedly connected to a base 23. A telescopic rod 24 is fixedly connected between the first support rod 21 and the second support rod 22.

[0034] The aforementioned components achieve the following effect: the angle can be adjusted according to actual needs to adapt to different terrains and construction environments. The addition of the telescopic pole 24 further enhances the adaptability of the tripod 2, enabling it to maintain a stable working state on uneven ground or construction sites with special terrain.

[0035] Specifically, the base 23 includes a movable seat 231, which is movably connected to the bottom end of the first support rod 21 via a pivot, and a support pad 232 is fixedly connected to the bottom of the movable seat 231.

[0036] The aforementioned components achieve the following effect: they can rotate flexibly according to the actual ground conditions, better fit different shapes and slopes of the ground, and ensure the stability of the support.

[0037] Working Principle: First, adjust the length of the telescopic rod 24 and the support angle and height of the tripod 2 according to the terrain conditions of the construction site. Simultaneously, use the movable seat 231 and support pad 232 to ensure the base 23 is stably supported on the ground. Start the servo motor 15, which drives the screw 14 to rotate. Through the threaded connection between the connecting block 32 and the screw 14, and the sliding connection between the slider 31 and the slide rod 11, the moving plate 3 moves along the slide rod 11 to a suitable horizontal position directly above the material. Next, based on the height of the material, start the first motor 42, which drives the winding roller 43 to rotate, controlling the release and retraction of the pull rope 5, causing the feeding platform 6 to descend to the height of the material. Then, based on the size of the material, start the electric actuator 65, which pushes the L-shaped load-bearing plate 66 along the connecting rod 64 to adjust the material's bearing position. After adjusting the bearing position, the operator rotates the rotating disk 75 and adjusts the position of the clamping bar 72 through the lead screw 74 to firmly clamp the material onto the L-shaped load-bearing plate 66. Finally, the first motor 42 is restarted to pull the rope 5 to raise the feeding platform 6, and at the same time the servo motor 15 is started to control the moving plate 3 to move on the crossbeam 1, so as to hoist the material to the designated position for bridge construction and installation.

Claims

1. An intelligent hoisting and positioning mechanism for bridge construction, comprising a cross beam (1) and a tripod (2), characterized in that: The crossbeam (1) is fixedly installed in the middle of the two sets of tripods (2). The crossbeam (1) includes a slide rod (11), a first connecting plate (12), and a second connecting plate (13). The first connecting plate (12) is fixedly connected to one side surface of the slide rod (11), and the side of the first connecting plate (12) is fixedly connected to the tripod (2). The second connecting plate (13) is fixedly connected to the other side surface of the slide rod (11). A screw (1) is rotatably connected between the first connecting plate (12) and the second connecting plate (13). 4) A servo motor (15) is fixedly installed on the side of the second connecting plate (13). The output end of the servo motor (15) is fixedly connected to the screw (14). A moving plate (3) is threadedly connected to the surface of the screw (14). A hoisting structure (4) is fixedly connected to the top of the moving plate (3). A pull rope (5) is wound around the surface of the hoisting structure (4). A feeding table (6) is fixedly connected to the end of the pull rope (5) away from the hoisting device. A clamping mechanism (7) is provided on the surface of the feeding table (6).

2. The intelligent hoisting and positioning mechanism for bridge construction according to claim 1, characterized in that: The hoisting structure (4) includes a first fixed plate (41) and a second fixed plate (44). The first fixed plate (41) and the second fixed plate (44) are both fixedly connected to the top of the moving plate (3). A first motor (42) is fixedly installed on the side of the first fixed plate (41). A winding roller (43) is fixedly connected to the output end of the first motor (42). The end of the winding roller (43) away from the first motor (42) is rotatably connected to the second fixed plate (44).

3. The intelligent hoisting and positioning mechanism for bridge construction of claim 1, characterized in that: The feeding platform (6) includes a top plate (61), which is fixedly connected to the end of the pull rope (5) away from the hoisting device. A first support plate (62) is fixedly connected to one end of the bottom of the top plate (61), and a second support plate (63) is fixedly connected to the other end of the bottom of the top plate (61). A connecting rod (64) is fixedly connected between the first support plate (62) and the second support plate (63). Electric push rods (65) are fixedly connected to the sides of the first support plate (62) and the second support plate (63). An L-shaped load-bearing plate (66) is fixedly connected to the telescopic end of the electric push rod (65). A moving block (67) is provided on the top of the L-shaped load-bearing plate (66). The moving block (67) is slidably connected to the connecting rod (64). The clamping mechanism (7) is located on the outer side of the L-shaped load-bearing plate (66).

4. The intelligent hoisting and positioning mechanism for bridge construction of claim 3, characterized in that: The clamping mechanism (7) includes a slot (71) and a clamping bar (72). The L-shaped load-bearing plate (66) has a slot (71) on its side. A locking block (73) is fixedly connected to the surface of the L-shaped load-bearing plate (66). A screw rod (74) is threadedly connected to the inside of the locking block (73). The end of the screw rod (74) away from the locking block (73) is rotatably connected to the clamping bar (72). A rotating disk (75) is fixedly connected to the end of the screw rod (74) away from the clamping bar (72). The clamping bar (72) passes through the slot (71) and moves up and down on the surface of the L-shaped load-bearing plate (66).

5. The intelligent hoisting and positioning mechanism for bridge construction of claim 1, characterized in that: The movable plate (3) includes a slider (31), which is slidably connected to a slide rod (11). A connecting block (32) is fixedly connected to the top of the slider (31), and the connecting block (32) is threadedly connected to a screw rod (14). A mounting plate (33) is fixedly connected to the top of the connecting block (32).

6. The intelligent hoisting and positioning mechanism for bridge construction of claim 1, characterized in that: The tripod (2) includes a first support rod (21) and a second support rod (22). The first support rod (21) and the second support rod (22) are rotatably connected to the side of the first connecting plate (12). The bottom ends of the first support rod (21) and the second support rod (22) are fixedly connected to a base (23). A telescopic rod (24) is fixedly connected between the first support rod (21) and the second support rod (22).

7. The intelligent hoisting and positioning mechanism for bridge construction according to claim 6, characterized in that: The base (23) includes a movable seat (231), which is movably connected to the bottom end of the first support rod (21) via a pivot, and a support pad (232) is fixedly connected to the bottom of the movable seat (231).

Images