Bridge support positioning detection unmanned aerial vehicle
By designing a bridge bearing positioning and inspection drone, and utilizing positioning probes and adjustment mechanisms, efficient and accurate inspection of bridge bearings was achieved. This solved the problems of time-consuming, labor-intensive, and inflexible angle fixation in traditional inspection methods, thus improving inspection efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU LUHUI INTELLIGENT MANUFACTURING CO LTD
- Filing Date
- 2025-08-28
- Publication Date
- 2026-06-26
AI Technical Summary
Existing bridge bearing inspection methods are time-consuming and labor-intensive, and manual inspection is difficult to achieve. Traditional drone inspection has a fixed angle and poor flexibility, resulting in positioning errors and making it difficult to meet the needs of accurate inspection.
A bridge bearing positioning and detection drone was designed, equipped with a positioning probe, controller and adjustment mechanism, including components such as base plate, motor base, adjustment motor, limit column, synchronous belt, lead screw, movable column and connecting rod, to realize flexible angle adjustment and precise positioning of the detector.
It achieves efficient and accurate positioning for bridge bearing inspection, solves the problems of unstable inspection angle and positioning deviation, and significantly improves inspection efficiency and accuracy.
Smart Images
Figure CN224409647U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bridge bearing positioning and detection technology, specifically to a bridge bearing positioning and detection drone. Background Technology
[0002] Bridge bearings are crucial components connecting the superstructure and substructure of a bridge, and their importance is paramount. If defects are not detected and addressed promptly, they will affect the structural stress state and traffic safety. Currently, the main method for inspecting bridge bearings is manual inspection. This method is time-consuming, labor-intensive, and disrupts traffic. For bridges built in remote mountainous or coastal areas, manual inspection is difficult to implement, or the safety of bridge inspectors cannot be guaranteed.
[0003] However, traditional fixed equipment for UAV inspection suffers from problems such as fixed inspection angle and poor flexibility, making it unable to adapt to the different positions and shapes of bridge bearings. This can easily lead to positioning deviations, resulting in low inspection efficiency and insufficient data accuracy, making it difficult to meet the needs of precise bridge bearing inspection. Therefore, those skilled in the art provide a bridge bearing positioning and inspection UAV to solve the problems mentioned in the background art. Utility Model Content
[0004] The purpose of this invention is to provide a bridge bearing positioning and detection drone to solve the problems in the prior art.
[0005] This utility model provides the following technical solution: a bridge bearing positioning and detection drone, comprising a drone body for positioning and detecting bridge bearings, a positioning probe for positioning the bridge bearings fixedly connected to the bottom end of the drone body, a controller for controlling the drone fixedly connected to the upper end of the drone body, an adjustment mechanism for adjusting the detection angle provided at the center of the bottom end of the drone body, and a detector for detecting the bridge bearings provided at one end of the adjustment mechanism.
[0006] As a preferred embodiment of the above technical solution, the adjustment mechanism includes a base plate, which is fixedly connected to the center of the bottom of the UAV body. A motor mount is fixedly connected to the end of the base plate away from the UAV body, and an adjustment motor is fixedly connected to the end of the motor mount away from the base plate.
[0007] As a preferred embodiment of the above technical solution, the output end of the regulating motor is fixedly connected to a limiting post, a synchronous belt is sleeved on the outer side of the output shaft of the regulating motor, and the limiting post limits the position of the synchronous belt. A synchronous pulley is rotatably connected to the inner cavity of the end of the synchronous belt away from the output shaft of the regulating motor.
[0008] As a preferred embodiment of the above technical solution, a lead screw is fixedly connected to one end of the synchronous pulley, a movable column is slidably connected to the outer side of the lead screw, a first connecting column is fixedly connected to the upper end of the movable column, an adjusting plate is hinged to the end of the first connecting column away from the movable column, and the adjusting plate is used to support a detector for detecting bridge bearings.
[0009] As a preferred embodiment of the above technical solution, a fixed column is fixedly connected to one end of the base plate. The fixed column is located on the outside of the movable column, and the inner wall of the fixed column and the movable column are in a Z-shape with symmetrical arrangement on both sides. The fixed column limits the movement direction of the movable column through the symmetrical Z-shape opened in the inner cavity.
[0010] As a preferred embodiment of the above technical solution, one end of the base plate is fixedly connected to two sets of symmetrically arranged second connecting columns, one end of the two sets of symmetrically arranged second connecting columns is rotatably connected to a connecting rod, and the end of the connecting rod away from the second connecting column is hinged to both sides of the adjusting plate.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention features an adjustment mechanism that provides a stable mounting base for the entire system via a base plate and motor mount, ensuring smooth adjustment. A limiting post at the motor output prevents the synchronous belt from slipping and falling off, ensuring stable and precise power transmission and providing a reliable power source for angle adjustment. The sliding connection between the lead screw and the movable column, combined with the Z-shaped structure of the fixed column's inner cavity, precisely limits the movable column's movement direction, preventing deviation and swaying, and achieving precise control of the movable column's linear motion. The movable column drives the adjustment plate to rotate via the first connecting post, and the symmetrical support of the adjustment plate by the second connecting post and connecting rod ensures smooth, stable, and precise angle adjustment. Ultimately, this allows the detector to flexibly adapt to the bridge support position, effectively solving the problem of inaccurate positioning caused by unstable angle adjustment and power transmission deviation during bridge inspection, significantly improving detection accuracy and stability. Attached Figure Description
[0013] Figure 1 A schematic diagram of the overall structure of a bridge bearing positioning and detection drone;
[0014] Figure 2 This is a schematic diagram of the controller connection for a bridge bearing positioning and detection drone.
[0015] Figure 3 A schematic diagram of the synchronous wheel connection of the adjustment mechanism of a bridge bearing positioning and detection drone;
[0016] Figure 4 This is a schematic diagram of the adjustment plate connection of the adjustment mechanism of a bridge bearing positioning and detection drone.
[0017] In the diagram: 1. Unmanned aerial vehicle (UAV) body; 2. Positioning probe; 3. Controller; 4. Adjustment mechanism; 41. Base plate; 42. Motor mount; 43. Adjustment motor; 44. Limiting post; 45. Synchronous belt; 46. Synchronous pulley; 47. Lead screw; 48. Movable post; 49. First connecting post; 410. Adjustment plate; 411. Fixed post; 412. Second connecting post; 413. Connecting rod; 5. Detector. Detailed Implementation
[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0019] Please see Figures 1-4 As shown, this utility model provides a technical solution: a bridge bearing positioning and detection drone, including a drone body 1 for positioning and detecting bridge bearings, a positioning probe 2 for positioning the bridge bearings fixedly connected to the bottom end of the drone body 1, a controller 3 for controlling the drone fixedly connected to the upper end of the drone body 1, an adjustment mechanism 4 for adjusting the detection angle provided at the center of the bottom end of the drone body 1, and a detector 5 for detecting the bridge bearings provided at one end of the adjustment mechanism 4.
[0020] By installing a positioning probe 2 at the bottom of the UAV body 1, the bridge bearing can be accurately initially positioned, solving the problem of difficulty in locking the target position when inspecting under the bridge. The controller 3 at the top enables flexible control of the overall operation of the UAV, ensuring the controllability of the inspection process. The adjustment mechanism 4 at the bottom center can flexibly adjust the detection angle of the detector 5, breaking the limitation of fixed angle in traditional inspection equipment, allowing the detector 5 to accurately adapt the detection angle according to the actual position and shape of the bridge bearing. The coordinated operation of the positioning probe 2, controller 3 and adjustment mechanism 4 enables the UAV to quickly lock the detection target in the complex environment under the bridge, and to achieve all-round, blind-spot-free inspection through angle adjustment. This effectively makes up for the shortcomings of inaccurate positioning and poor adaptability of bridge bearing detection in existing technologies, and significantly improves the efficiency and accuracy of bridge bearing positioning and inspection.
[0021] As one implementation method in this embodiment, please refer to Figures 1-3 As shown, the adjustment mechanism 4 includes a base plate 41, which is fixedly connected to the center of the bottom of the UAV body 1. A motor mount 42 is fixedly connected to the end of the base plate 41 away from the UAV body 1, and an adjustment motor 43 is fixedly connected to the end of the motor mount 42 away from the base plate 41.
[0022] The adjustment mechanism 4 is fixed to the center of the bottom of the UAV body 1 via the base plate 41, providing a stable mounting foundation for the entire adjustment mechanism 4 and ensuring smooth operation of all components during adjustment. The motor mount 42 provides stable support and protection for the adjustment motor 43, preventing the motor from being affected by vibrations or other factors during UAV flight and testing, ensuring the overall stability of the adjustment mechanism 4, and laying the foundation for subsequent precise adjustment of the detector 5 angle. When testing under a bridge, the stable foundation structure reduces the interference of the UAV's own swaying on positioning and testing, initially improving the stability of the testing.
[0023] As one implementation method in this embodiment, please refer to Figures 3-4 As shown, the output end of the regulating motor 43 is fixedly connected to a limiting post 44, and a synchronous belt 45 is sleeved on the outer side of the output shaft of the regulating motor 43. The limiting post 44 limits the position of the synchronous belt 45, and a synchronous pulley 46 is rotatably connected to the inner cavity of the end of the synchronous belt 45 away from the output shaft of the regulating motor 43.
[0024] The limiting post 44 at the output end of the adjusting motor 43 effectively limits the position of the synchronous belt 45, preventing slippage or detachment during transmission and ensuring the stability and accuracy of power transmission. The synchronous belt 45 transmission features smooth transmission and low noise, accurately transmitting the power of the adjusting motor 43 to the synchronous pulley 46, ensuring the motion accuracy of subsequent components such as the lead screw 47, and thus guaranteeing the precision of the detector 5 angle adjustment. In the complex environment beneath bridges, this stable power transmission avoids detection interruptions or angle adjustment deviations caused by power interruptions or instability, contributing to the accurate positioning and detection of bridge supports.
[0025] As one implementation method in this embodiment, please refer to Figures 3-4 As shown, a lead screw 47 is fixedly connected to one end of the synchronous pulley 46, a movable column 48 is slidably connected to the outside of the lead screw 47, a first connecting column 49 is fixedly connected to the upper end of the movable column 48, and an adjusting plate 410 is hinged to the end of the first connecting column 49 away from the movable column 48. The adjusting plate 410 is used to support the detector 5 used to detect the bridge bearing.
[0026] The sliding connection between the lead screw 47 and the movable column 48 converts the rotation of the lead screw 47 into the linear motion of the movable column 48, enabling precise adjustment of the position of the movable column 48. The movable column 48 is hinged to the adjusting plate 410 via the first connecting column 49, converting the linear motion of the movable column 48 into angular changes in the adjusting plate 410, thus allowing flexible adjustment of the detection angle of the detector 5. This structure enables the detector 5 to precisely adjust the detection angle according to the actual position of the bridge bearing and the detection requirements. When detecting under the bridge, it can more comprehensively and accurately detect bridge bearings at different locations, solving the problem of inaccurate positioning caused by a fixed detection angle in existing technologies.
[0027] As one implementation method in this embodiment, please refer to Figures 3-4 As shown, a fixed post 411 is fixedly connected to one end of the base plate 41. The fixed post 411 is located on the outside of the movable post 48, and the inner wall of the fixed post 411 and the movable post 48 are in a Z-shape with symmetrical arrangement on both sides. The fixed post 411 limits the movement direction of the movable post 48 through the symmetrical Z-shape opened in the inner cavity.
[0028] The inner wall of the fixed column 411 and the movable column 48 are connected in a Z-shaped structure with symmetrical arrangement on both sides. This structure can precisely limit the movement direction of the movable column 48, preventing it from shifting or swaying during movement and ensuring that the movable column 48 moves stably in a straight line along a preset trajectory. This structure ensures the accuracy of the movement of the movable column 48, thereby ensuring the accuracy of the angle adjustment of the adjusting plate 410. When inspecting under the bridge, it can avoid the positional deviation of the detector 5 caused by the offset of the movable column 48, improve the accuracy of the positioning detection of the bridge support, and solve the problem of inaccurate positioning caused by the unstable movement of the movable column 48 in the prior art.
[0029] As one implementation method in this embodiment, please refer to Figures 3-4 As shown, one end of the base plate 41 is fixedly connected to two sets of symmetrically arranged second connecting columns 412, and one end of the two sets of symmetrically arranged second connecting columns 412 is rotatably connected to a connecting rod 413, and the end of the connecting rod 413 away from the second connecting column 412 is hinged to both sides of the adjusting plate 410.
[0030] Two sets of symmetrically arranged second connecting columns 412 and connecting rods 413 are hinged to the adjusting plate 410, providing auxiliary support and stability to prevent tilting or wobbling during angle adjustment and ensuring the adjusting plate 410 remains in a stable working state. Simultaneously, the connecting rods 413 make the angle adjustment of the adjusting plate 410 smoother and more stable, improving the accuracy of angle adjustment. During inspection under the bridge, this stable support structure ensures the detector 5 remains stable during angle adjustment, further improving the accuracy of bridge bearing positioning and solving the positioning inaccuracy problem caused by the instability of the adjusting plate 410 in existing technologies.
[0031] Working principle: The UAV body 1 uses the positioning probe 2 at the bottom to perform preliminary positioning of the bridge support, and the controller 3 at the top controls the overall operation. The core achieves precise detection through the adjustment mechanism 4 at the bottom center. In the adjustment mechanism 4, the base plate 41 provides stable support for each component, the adjustment motor 43 fixed by the motor base 42 drives the synchronous belt 45 through the output shaft, the limit column 44 prevents the synchronous belt 45 from slipping and falling off to ensure stable power transmission, the synchronous belt 45 drives the synchronous pulley 46 to rotate, which in turn drives the lead screw 47 to rotate; the movable column 48 on the outside of the lead screw 47 makes precise linear movement under the constraint of the Z-shaped structure inside the fixed column 411 to avoid deviation and shaking. The movable column 48 pushes the adjustment plate 410 to rotate through the first connecting column 49, and at the same time, the second connecting column 412 on the base plate 41 connects the connecting rod 413 to form stable support on both sides of the adjustment plate 410 to ensure that the adjustment plate 410 adjusts the angle smoothly, so that the detector 5 on the adjustment plate 410 can flexibly and accurately align with different positions of the bridge support. This series of structural designs effectively solves the detection problems caused by inaccurate positioning and unstable angle adjustment when inspecting under bridges using existing technologies, through stable power transmission, precise motion guidance, and smooth angle adjustment of the adjustment plate 410, thus achieving precise positioning and detection of bridge bearings.
[0032] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A bridge bearing positioning and detection drone, characterized in that: The device includes an unmanned aerial vehicle (UAV) body (1) for positioning and detecting bridge bearings. A positioning probe (2) for positioning the bridge bearings is fixedly connected to the bottom end of the UAV body (1). A controller (3) for controlling the UAV is fixedly connected to the top end of the UAV body (1). An adjustment mechanism (4) for adjusting the detection angle is provided at the center of the bottom end of the UAV body (1). A detector (5) for detecting the bridge bearings is provided at one end of the adjustment mechanism (4).
2. The bridge bearing positioning and detection UAV according to claim 1, characterized in that: The adjustment mechanism (4) includes a base plate (41), which is fixedly connected to the center of the bottom of the unmanned aerial vehicle body (1). A motor mount (42) is fixedly connected to one end of the base plate (41) away from the unmanned aerial vehicle body (1), and an adjustment motor (43) is fixedly connected to one end of the motor mount (42) away from the base plate (41).
3. The bridge bearing positioning and detection UAV according to claim 2, characterized in that: The output end of the regulating motor (43) is fixedly connected to a limiting post (44), and a synchronous belt (45) is sleeved on the outside of the output shaft of the regulating motor (43). The limiting post (44) limits the position of the synchronous belt (45), and a synchronous pulley (46) is rotatably connected to the inner cavity of the end of the synchronous belt (45) away from the output shaft of the regulating motor (43).
4. The bridge bearing positioning and detection UAV according to claim 3, characterized in that: One end of the synchronous pulley (46) is fixedly connected to a lead screw (47), and a movable column (48) is slidably connected to the outside of the lead screw (47). The upper end of the movable column (48) is fixedly connected to a first connecting column (49), and an adjusting plate (410) is hinged to the end of the first connecting column (49) away from the movable column (48). The adjusting plate (410) is used to carry a detector (5) for detecting bridge bearings.
5. The bridge bearing positioning and detection UAV according to claim 2, characterized in that: One end of the base plate (41) is fixedly connected to a fixed column (411). The fixed column (411) is located on the outside of the movable column (48), and the inner wall of the fixed column (411) and the movable column (48) are in a Z-shape with symmetrical arrangement on both sides. The fixed column (411) limits the movement direction of the movable column (48) through the symmetrical Z-shape opened in the inner cavity.
6. The bridge bearing positioning and detection UAV according to claim 5, characterized in that: One end of the base plate (41) is fixedly connected to two sets of symmetrically arranged second connecting columns (412), and one end of the two sets of symmetrically arranged second connecting columns (412) is rotatably connected to a connecting rod (413), and the end of the connecting rod (413) away from the second connecting column (412) is hinged to both sides of the adjusting plate (410).