Bridge bottom surface crack detection device
By designing a bridge bottom crack detection device, the problem of dust affecting bridge piers and bridge gaps was solved by using a cleaning mechanism and supplementary lighting, achieving efficient and clear crack detection.
Patent Information
- Application Number
- CN202423267013.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-30
AI Technical Summary
When the gap between the bridge pier and the bridge is small and there is a lot of dust, simply inserting a camera to take pictures to detect cracks at the bottom of the bridge is cumbersome and the pictures are not clear.
A device for detecting cracks on the underside of bridges was designed, comprising a fixed plate, a lifting device, pulleys, a cleaning mechanism, and a camera. The cleaning mechanism removes dust, supplementary lighting improves the clarity of the shooting environment, and the lifting device and pulleys stabilize the position of the camera to ensure clear shooting.
It effectively removes dust from crevices, improves shooting stability and image clarity, prevents dust from drifting towards staff, and ensures the accuracy of test results.
Smart Images

Figure CN223711453U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge bottom surface crack detection technical field, concretely is a kind of bridge bottom surface crack detection device. BACKGROUND
[0002] Bridge bottom surface crack detection device is a kind of high-tech equipment specially used for bridge structure health monitoring, it is accurately detected and evaluated to the crack of bridge bottom by integrating advanced sensor technology, imaging system and data analysis software;
[0003] This device can automatically identify the position, length and width of crack, collect key data to evaluate the structural integrity and safety of bridge, it is usually designed as portable, easy to transport and operate, and can work stably under various environmental conditions, including severe weather and difficult-to-reach areas;
[0004] In the process of crack detection to the position of bridge pier and bridge between the bridge bottom end, the gap between bridge pier and bridge is small, and the gap between bridge pier and bridge is more dusty, simply by inserting camera for photographing detection, more cumbersome, and there may be the problem of unclear photograph, therefore, aiming at the above problems, a kind of bridge bottom surface crack detection device is provided. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of bridge bottom surface crack detection device to solve in the process of crack detection to the position of bridge pier and bridge between the bridge bottom end, the gap between bridge pier and bridge is small, and the gap between bridge pier and bridge is more dusty, simply by inserting camera for photographing detection, more cumbersome, and there may be the problem of unclear photograph.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A bridge underside crack detection device includes a fixed plate, a lifting device, and pulleys. A cleaning mechanism is connected to the upper end of the fixed plate via the lifting device. Pulleys are installed at the four corners of the lower end of the fixed plate. Guide holes are provided on the inner sides of both ends of the fixed plate. A threaded hole is provided in the middle of the fixed plate. A frame is slidably connected inside the fixed plate via the guide holes. Fixed blocks are fixedly connected to the middle of both ends of the frame. A second motor is installed inside one of the fixed blocks. A threaded rod is fixedly connected to the top of the main shaft of the second motor. A telescopic sleeve is installed on the outer side of the threaded rod. A camera is installed on one side of the upper end of the fixed plate, and supplementary lights are installed on both sides of the camera. The cleaning mechanism includes a frame. Positioning wheels are installed on the upper end of the frame. Multiple suction fans are installed inside one side of the frame. A cleaning frame is installed on the upper end of the other side of the frame. A cleaning roller is rotatably connected inside the cleaning frame. A first pulley is installed on the outer side of one end of the cleaning roller. The first pulley is rotatably connected to a second pulley via a belt. The second pulley is fixedly connected to the main shaft of the first motor. The first motor is installed inside one end of the cleaning frame.
[0008] As a further optimization of this utility model, the following features are provided: four lifting devices are provided, the lifting devices are parallel to each other, the frame is L-shaped, the lower end face of the frame is parallel to the fixed plate, and the included angle between the lifting device and the fixed plate is 90°.
[0009] As a further optimization of this utility model, the frame is L-shaped, a baffle is installed at one end of the frame, and a fixed block installed in the middle of the other end of the frame is rotatably connected to the threaded rod.
[0010] As a further optimization of this utility model, the telescopic sleeve is provided in two parts, one end of the two telescopic sleeves is fixedly connected to the fixed plate, and the other end of the two telescopic sleeves is fixedly connected to the two fixed blocks respectively.
[0011] As a further optimization of this utility model, two fill lights are provided, and the two fill lights are symmetrically arranged with the camera as the center point.
[0012] As a further optimization of this utility model, the positioning wheel is provided in two parts, which are arranged on both sides of the upper end of the frame, and the highest point of the positioning wheel is located below the highest point of the cleaning roller.
[0013] As a further optimization of this utility model, the cleaning roller and the first pulley are on the same axis, and the first pulley is located on the side of the cleaning frame away from the center point of the cleaning roller.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] The utility model discloses a clean mechanism, camera, threaded rod and light supplementing lamp are set up, can carry out the cleaning to the dust of the upper end of the gap between bridge pier and bridge, guarantee the clean degree of the shooting environment, and the camera is placed to the bridge pier and bridge between through the fixed plate stability and carries out the shooting, can improve the stability of shooting and the clear degree of photo, and in the process of dedusting, through the set up of the air -suction fan, can prevent the dust produced in the cleaning process from floating to the staff direction, causes the problem of the staff to appear. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the utility model Figure 1 A place structure schematic diagram in the utility model;
[0018] Figure 3 It is the clean mechanism structure schematic diagram of the utility model;
[0019] Figure 4 It is the utility model Figure 3 B place structure schematic diagram in the utility model.
[0020] In the drawing: 1, fixed plate;
[0021] 2, clean mechanism;21, frame body;22, positioning wheel;23, air -suction fan;24, cleaning roller;25, cleaning frame;26, first motor;27, first belt disc;28, belt;29, second belt disc;
[0022] 3, lifter;4, pulley;5, frame;6, fixed block;7, second motor;8, threaded rod;9, telescopic sleeve;10, camera;11, light supplementing lamp;12, guide hole;13, threaded hole. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.
[0024] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.
[0025] Referring to Figures 1-4 The utility model provides a technical scheme:
[0026] A bridge bottom surface crack detection device, including fixed plate 1, riser 3 and pulley 4, fixed plate 1 upper end is connected with cleaning mechanism 2 through riser 3, fixed plate 1 lower end four corners are all installed with pulley 4, the inboard of both ends of fixed plate 1 is all provided with guide hole 12, and the middle of fixed plate 1 is provided with screw hole 13, and the inside of fixed plate 1 is slidably connected with frame 5 through guide hole 12, and the both ends of frame 5 are all fixedly connected with fixed block 6, and the inside of one of fixed block 6 is installed with second motor 7, and the top of second motor 7 main shaft is fixedly connected with threaded rod 8, and the outside of threaded rod 8 is installed with telescopic sleeve 9, and the one side of fixed plate 1 upper end is installed with camera 10, and the both sides of camera 10 are all installed with light supplementing lamp 11;Cleaning mechanism 2 includes frame body 21, and frame body 21 upper end is installed with positioning wheel 22, and the inside of frame body 21 one side is installed with suction fan 23 multiple, and frame body 21 other side upper end is installed with cleaning frame 25, and cleaning frame 25 inside is rotatably connected with cleaning roller 24, and the outside of cleaning roller 24 one end is installed with first belt disc 27, and first belt disc 27 is rotatably connected with second belt disc 29 through belt 28, and second belt disc 29 is fixedly connected with first motor 26 main shaft, and first motor 26 is installed in the inboard of cleaning frame 25 one end.
[0027] As a further implementation of the scheme, the riser 3 is provided with four, the riser 3 is parallel between the riser 3, the frame body 21 is L-shaped, the lower end surface of the frame body 21 is parallel between the fixed plate 1, the included angle between the riser 3 and the fixed plate 1 is 90 °, through the above setting, the height of the cleaning roller 24 can be adjusted according to the gap between the bridge and the pier;
[0028] As a further implementation of the scheme, the frame 5 is L-shaped, the frame 5 one end is installed with the baffle, the frame 5 other end middle installation fixed block 6 and threaded rod 8 between rotatably connected, through the above setting, can improve the stability of the whole operation process of the device;
[0029] As a further implementation of the scheme, the telescopic sleeve 9 is provided with two, the one end of the two telescopic sleeves 9 is fixedly connected between the fixed plate 1, the other end of the two telescopic sleeves 9 is fixedly connected between the two fixed blocks 6, through the above setting, can prevent the threaded rod 8 and the threaded hole 13 between dust jamming;
[0030] As a further implementation of the scheme, the light supplement lamp 11 is provided with two, and the two light supplement lamps 11 are symmetrically arranged with the camera 10 as the center point, through the above arrangement, the clarity of the camera 10 can be improved;
[0031] As a further implementation of the scheme, the positioning wheel 22 is provided with two, and the two positioning wheels 22 are arranged on both sides of the upper end of the frame body 21, and the highest point of the positioning wheel 22 is arranged below the highest point of the cleaning roller 24, through the above arrangement, the stability during cleaning can be ensured;
[0032] As a further implementation of the scheme, the cleaning roller 24 and the first belt disc 27 are coaxial, and the first belt disc 27 is arranged on the side of the cleaning frame 25 away from the center point of the cleaning roller 24, through the above arrangement, the first motor 26 can drive the cleaning roller 24 to rotate.
[0033] Work flow: during the operation of the equipment, the built-in power supply is powered on, after the power supply is completed, the whole equipment is placed between the pier and the bridge, after the placement is completed, the staff makes the baffle arranged on one side of the frame 5 close to the edge of the pier, then the second motor 7 drives the threaded rod 8 to rotate, the threaded rod 8 can drive the fixed plate 1 to stably move along the direction of the frame 5 during the rotation, in this process, the riser 3 needs to drive the top end of the positioning wheel 22 to be close to the bottom end of the bridge, at the same time, the first motor 26 drives the cleaning roller 24 to rotate through the first belt disc 27, the belt 28 and the second belt disc 29, the air suction fan 23 can guide the air flow on one side of the camera 10 to the direction of the cleaning roller 24 during the cleaning process, so as to ensure the cleanliness of the air on the top end of the camera 10, in this process, the light supplement lamp 11 arranged in cooperation can improve the clarity of the shooting, and the results of the crack detection can be analyzed.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for detecting cracks on the bottom surface of a bridge, comprising a fixed plate (1), a lifting device (3), and a pulley (4), characterized in that: The upper end of the fixed plate (1) is connected to a cleaning mechanism (2) via a lifting device (3). The four corners of the lower end of the fixed plate (1) are equipped with pulleys (4). The inner sides of both ends of the fixed plate (1) are provided with guide holes (12). The middle of the fixed plate (1) is provided with a threaded hole (13). The frame (5) is slidably connected inside the fixed plate (1) via the guide holes (12). The middle of both ends of the frame (5) is fixedly connected with a fixing block (6). A second motor (7) is installed inside one of the fixing blocks (6). A threaded rod (8) is fixedly connected to the top of the main shaft of the second motor (7). A telescopic sleeve (9) is installed on the outside of the threaded rod (8). A camera (10) is installed on one side of the upper end of the fixed plate (1). Fill lights (11) are installed on both sides of the camera (10). The cleaning mechanism (2) includes a frame (21), with positioning wheels (22) installed on the upper end of the frame (21). Multiple suction fans (23) are installed inside one side of the frame (21), and a cleaning frame (25) is installed on the upper end of the other side of the frame (21). A cleaning roller (24) is rotatably connected inside the cleaning frame (25). A first pulley (27) is installed on the outer side of one end of the cleaning roller (24). The first pulley (27) is rotatably connected to a second pulley (29) via a belt (28). The second pulley (29) is fixedly connected to the main shaft of a first motor (26). The first motor (26) is installed on the inner side of one end of the cleaning frame (25).
2. The bridge underside crack detection device according to claim 1, characterized in that: There are four lifting devices (3), which are parallel to each other. The frame (21) is L-shaped, and the lower end face of the frame (21) is parallel to the fixed plate (1). The included angle between the lifting device (3) and the fixed plate (1) is 90°.
3. The bridge underside crack detection device according to claim 1, characterized in that: The frame (5) is L-shaped, with a baffle installed at one end of the frame (5), and a fixed block (6) installed in the middle of the other end of the frame (5) is rotatably connected to the threaded rod (8).
4. The bridge underside crack detection device according to claim 1, characterized in that: Two telescopic sleeves (9) are provided. One end of each telescopic sleeve (9) is fixedly connected to the fixing plate (1), and the other end of each telescopic sleeve (9) is fixedly connected to the two fixing blocks (6).
5. The bridge underside crack detection device according to claim 1, characterized in that: There are two fill lights (11), and the two fill lights (11) are symmetrically arranged with the camera (10) as the center point.
6. The bridge underside crack detection device according to claim 1, characterized in that: There are two positioning wheels (22), which are located on both sides of the upper end of the frame (21). The highest point of the positioning wheel (22) is located below the highest point of the cleaning roller (24).
7. The bridge underside crack detection device according to claim 1, characterized in that: The cleaning roller (24) and the first pulley (27) are on the same axis, and the first pulley (27) is located on the side of the cleaning frame (25) away from the center point of the cleaning roller (24).