Bridge pier surface crack detection device
By designing a crack detection device on the surface of the bridge pier and using rollers and bevel teeth to drive the camera with arc-shaped trajectory movement, the problems of increased detection time and leakage detection in the prior art are solved, and efficient and comprehensive detection effects of cracks on the surface of the bridge pier are achieved.
Patent Information
- Application Number
- CN202420632055.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The existing bridge pier crack detection equipment has increased the detection time and cannot fully align the bridge pier position points, resulting in missed detection in the surrounding area.
A crack detection device on the surface of the bridge pier is designed, using a combination of rollers and bevel teeth to drive the reciprocating screws and adjustment gears to drive the camera to move clockwise and counterclockwise arcuate tracks. The vertical movement of the device is used to ensure the arc of each movement of the camera. The trajectories are approaching, and the position of the pier is fully aligned for inspection.
It realizes convenient disassembly and assembly, adapts to the height of the bridge pier, shortens the detection time, ensures comprehensive and clear shooting of cracks on the surface of the bridge pier, and avoids missed detection.
Smart Images

Figure CN222144884U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge pier crack detection, in particular to a bridge pier surface crack detection device. Background Art
[0002] A bridge pier is a sub-structure distributed between two abutments that supports the bridge span structure. It is mainly composed of a top cap and a pier body. The bridge pier has a great influence on the overall strength of the bridge, so it is necessary to conduct regular inspections on the surface cracks of the bridge pier.
[0003] Among them, the publication number CN219870965U is a bridge pier crack detection device, which includes a circular track assembly, the circular track assembly is composed of two detachable parts, a clamping assembly is arranged on the inner wall of the circular track assembly, a rotating assembly is arranged on the surface of the circular track assembly, the rotating assembly is used to drive the rectangular sleeve to rotate around the circumference of the circular track assembly, a lifting assembly is inserted in the rectangular sleeve, and a camera is arranged at the lifting end of the lifting assembly. The circular track assembly is fixedly installed on the surface of the bridge pier through the clamping assembly, the camera is driven up and down by the lifting assembly, and the lifting assembly and the camera can be driven to rotate around the bridge pier through the cooperation of the rotating assembly and the circular track assembly, so that the outer surface of the bridge pier can be fully viewed through the camera, making the inspection of bridge pier cracks faster and reducing the material resources required for the inspection work.
[0004] The above-mentioned prior art drives the camera to rotate in a circular trajectory to achieve a comprehensive view of the bridge pier. This design requires the camera to be fixed at a position and rotate in a circular trajectory to comprehensively detect the bridge pier. The detection time is increased, and the point facing the camera is clearer, while the surrounding area may be missed due to clarity reasons. This is not conducive to comprehensive alignment and shooting detection of the bridge pier position points. Therefore, we propose a bridge pier surface crack detection device to solve the above-mentioned problems. Utility Model Content
[0005] The utility model aims to provide a pier surface crack detection device to solve the problem raised by the above background technology that the detection time in the current market is increased, which is not conducive to comprehensive alignment and shooting detection of the pier position points.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pier surface crack detection device, comprising a pier body, wherein a first mounting frame and a second mounting frame are respectively sleeved on the outer side of the end of the pier body, a movable plate is connected to the end of the first mounting frame, the movable plate passes through the second mounting frame, and the second mounting frame and the movable plate are fixed by bolts;
[0007] A motor is installed on the inner side of the first mounting frame and the second mounting frame, the output end of the motor is connected to a wheel shaft, a roller is installed on the outer side of the wheel shaft, and the end of the wheel shaft is keyed to a first bevel gear;
[0008] The first mounting frame and the second mounting frame are both rotatably connected with a rotating shaft on their outer sides, the outer side key of the rotating shaft is connected with an adjusting gear, the end of the rotating shaft is installed with a fixing frame, and the lower end of the fixing frame is installed with a camera;
[0009] The first mounting frame and the second mounting frame are both provided with adjustment components for driving the camera to move.
[0010] Preferably, the adjustment assembly includes a reciprocating screw rotatably connected to the sides of the first mounting frame and the second mounting frame, the end key of the reciprocating screw is connected to the second bevel tooth, the outer side of the reciprocating screw is threadedly connected to the moving frame, and the outer side of the moving frame is connected to a gear block.
[0011] Preferably, the movable plate is symmetrically arranged with respect to a transverse center line of the first mounting frame, and the movable plate is slidably connected to the second mounting frame.
[0012] Preferably, the roller and the first bevel gear are coaxially connected, the roller and the pier body are in close contact with each other, and the outside of the roller is provided with anti-slip grooves.
[0013] Preferably, the movable frame is a side "U"-shaped structure, and the side edges of the movable frame are slidably connected to the first mounting frame and the second mounting frame.
[0014] Preferably, the gear blocks are distributed at equal intervals at the connection between the movable frame and the adjusting gear, and the adjusting gear and the fixed frame are coaxially connected.
[0015] Preferably, the fixing frame is an inverted "T"-shaped structure, and the fixing frame forms a rotating structure with the first mounting frame and the second mounting frame via a rotating shaft.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] (1) The pier surface crack detection device can be easily assembled and disassembled. It can be used by simply assembling the first mounting frame and the second mounting frame on the pier. The detection device can be controlled to move on the pier by synchronously driving the rollers. The device can detect surface cracks on the pier according to the height of the pier. The device is small in size and easy to assemble and transfer.
[0018] (2) In the bridge pier surface crack detection device, the roller controls the rotation of the coaxially connected first bevel gear, and the first bevel gear controls the rotation of the meshing second bevel gear, thereby driving the reciprocating screw to rotate, driving the moving frame to move back and forth, and cooperating with the transmission of the meshing adjustment gear and the gear block, driving the fixed frame to drive the camera to move in an arc trajectory clockwise or counterclockwise, and cooperating with the vertical movement of the detection device, so that the arc trajectory of the camera moves each time is close, and the position of the bridge pier can be fully aligned for clear shooting and detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;
[0021] Figure 3 This is a schematic diagram of the structure of the first mounting frame of the utility model;
[0022] Figure 4 This is a schematic cross-sectional structural diagram of the first mounting frame of the utility model;
[0023] Figure 5 This is a schematic diagram of the structure of the fixing frame of the utility model.
[0024] In the figure: 1. pier body; 2. first mounting frame; 3. movable plate; 4. second mounting frame; 5. motor; 6. axle; 7. roller; 8. first bevel gear; 9. second bevel gear; 10. reciprocating screw; 11. movable frame; 12. gear block; 13. rotating shaft; 14. adjusting gear; 15. fixed frame; 16. camera. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-Figure 5The utility model provides the following technical solutions: a pier surface crack detection device, comprising a pier body 1, a first mounting frame 2 and a second mounting frame 4 are respectively sleeved on the outer side of the end of the pier body 1, a movable plate 3 is connected to the end of the first mounting frame 2, the movable plate 3 passes through the second mounting frame 4, and the second mounting frame 4 and the movable plate 3 are fixed by bolts; a motor 5 is installed on the inner side of the first mounting frame 2 and the second mounting frame 4, the output end of the motor 5 is connected to the axle 6, a roller 7 is installed on the outer side of the axle 6, and a first bevel gear 8 is keyed to the end of the axle 6; a rotating shaft 13 is rotatably connected to the outer side of the first mounting frame 2 and the second mounting frame 4, an adjusting gear 14 is keyed to the outer side of the rotating shaft 13, a fixing frame 15 is installed on the end of the rotating shaft 13, and a camera 16 is installed on the lower end of the fixing frame 15;
[0027] Furthermore, the movable plate 3 is symmetrically arranged about the transverse center line of the first mounting frame 2, and the movable plate 3 is slidably connected to the second mounting frame 4, which can facilitate the docking installation of the first mounting frame 2 and the second mounting frame 4 on the pier body 1; the roller 7 and the first bevel gear 8 are coaxially connected, the roller 7 and the pier body 1 are in contact with each other, and the outer surface of the roller 7 is provided with anti-slip grooves, and the detection device can be moved on the pier body 1 by the rotation of the roller 7, and the first bevel gear 8 can be driven to rotate synchronously by the rotation of the roller 7;
[0028] The first mounting frame 2 and the second mounting frame 4 are respectively sleeved on the outside of the two ends of the pier body 1, and the first mounting frame 2 and the second mounting frame 4 are pushed to be close to the pier body 1, and the movable plate 3 is inserted into the second mounting frame 4 until the roller 7 is tightly fitted with the pier body 1, and the movable plate 3 and the second mounting frame 4 can be locked with bolts, and the motor 5 is powered on to control the rotation of the wheel shaft 6 connected to the output end, thereby controlling the rotation of the roller 7, so that the roller 7 rolls on the pier body 1, thereby driving the first mounting frame 2 and the second mounting frame 4 to move, and adjusting the position of the camera 16 so that the camera 16 shoots and detects the surface of the pier body 1 to detect whether there are cracks on the surface;
[0029] Furthermore, the first mounting frame 2 and the second mounting frame 4 are both provided with an adjustment assembly for driving the camera 16 to move; the adjustment assembly includes a reciprocating screw 10 rotatably connected to the side of the first mounting frame 2 and the second mounting frame 4, the end of the reciprocating screw 10 is keyed to the second bevel gear 9, the outer side of the reciprocating screw 10 is threadedly connected to the moving frame 11, and the outer side of the moving frame 11 is connected to the gear block 12;
[0030] Specifically, the mobile frame 11 is a side "U"-shaped structure, and the side of the mobile frame 11 is slidably connected with the first mounting frame 2 and the second mounting frame 4, which can limit the movement of the mobile frame 11 so that the mobile frame 11 can maintain horizontal movement; the gear blocks 12 are evenly spaced and distributed at the connection between the mobile frame 11 and the adjusting gear 14, and the adjusting gear 14 and the fixed frame 15 are coaxially connected. When the mobile frame 11 moves, the adjusting gear 14 can be synchronously driven to rotate to adjust the position of the camera 16; the fixed frame 15 is an inverted "T"-shaped structure, and the fixed frame 15 forms a rotating structure with the first mounting frame 2 and the second mounting frame 4 through the rotating shaft 13. The rotation of the fixed frame 15 is used to make the camera 16 move in an arc trajectory to perform a comprehensive inspection of the surface of the pier body 1;
[0031] When the roller 7 rotates to control the movement of the detection device, the wheel shaft 6 synchronously controls the rotation of the first bevel tooth 8 connected by the end key, the first bevel tooth 8 controls the rotation of the meshing second bevel tooth 9, and the second bevel tooth 9 controls the rotation of the reciprocating screw 10 connected by the inner key. The reciprocating screw 10 can drive the threaded movable frame 11 to reciprocate in the horizontal position, so that the tooth block 12 drives the meshing adjusting gear 14 to synchronously rotate the rotating shaft 13 to reciprocate, and then drives the fixed frame 15 to reciprocate clockwise and counterclockwise. The fixed frame 15 drives the camera 16 to move in an arc trajectory, and the reciprocating rotation makes the camera 16 move back and forth on the arc trajectory, and cooperates with the movement of the detection device, so that the arc trajectory of the camera 16 each time it moves is close, and the position of the pier body 1 can be fully aligned for clear shooting and detection. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.
[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A bridge pier surface crack detection device, comprising a bridge pier body (1), Features: A first mounting frame (2) and a second mounting frame (4) are respectively sleeved on the outer sides of the ends of the pier body (1); a movable plate (3) is connected to the ends of the first mounting frame (2); the movable plate (3) passes through the second mounting frame (4); and the second mounting frame (4) and the movable plate (3) are fixed by bolts; A motor (5) is installed on the inner side of each of the first mounting frame (2) and the second mounting frame (4); the output end of the motor (5) is connected to a wheel shaft (6); a roller (7) is installed on the outer side of the wheel shaft (6); and the end of the wheel shaft (6) is keyed to a first bevel gear (8); The outer sides of the first mounting frame (2) and the second mounting frame (4) are both rotatably connected to a rotating shaft (13), the outer side key of the rotating shaft (13) is connected to an adjusting gear (14), a fixing frame (15) is installed at the end of the rotating shaft (13), and a camera (16) is installed at the lower end of the fixing frame (15); Both the first mounting frame (2) and the second mounting frame (4) are provided with adjustment components for driving the camera (16) to move.
2. A bridge pier surface crack detection device according to claim 1, Features: The adjustment assembly comprises a reciprocating screw (10) rotatably connected to the side surfaces of the first mounting frame (2) and the second mounting frame (4); the end of the reciprocating screw (10) is key-connected with a second bevel tooth (9); the outer side of the reciprocating screw (10) is threadedly connected to a moving frame (11); and the outer side of the moving frame (11) is connected to a tooth block (12).
3. A bridge pier surface crack detection device according to claim 1, Features: The movable plate (3) is symmetrically arranged with respect to the transverse center line of the first mounting frame (2), and the movable plate (3) is slidably connected to the second mounting frame (4).
4. A bridge pier surface crack detection device according to claim 1, Features: The roller (7) and the first bevel gear (8) are coaxially connected, the roller (7) and the pier body (1) are in close contact with each other, and the outside of the roller (7) is provided with anti-slip grooves.
5. A bridge pier surface crack detection device according to claim 2, Features: The movable frame (11) is a side "U"-shaped structure, and the side edge of the movable frame (11) is slidably connected to the first mounting frame (2) and the second mounting frame (4).
6. A bridge pier surface crack detection device according to claim 2, Features: The tooth blocks (12) are distributed at equal intervals at the connection between the movable frame (11) and the adjusting gear (14), and the adjusting gear (14) and the fixed frame (15) are coaxially connected.
7. A bridge pier surface crack detection device according to claim 1, Features: The fixing frame (15) is an inverted "T"-shaped structure, and the fixing frame (15) forms a rotating structure with the first mounting frame (2) and the second mounting frame (4) via a rotating shaft (13).
Citation Information
Patent Citations
Bridge pier crack detection equipment
CN219870965U
