Marking device for crack detection
By using a visual inspection instrument and an automated gear ring system, cracks can be automatically marked, solving the problem of time-consuming and labor-intensive traditional manual inspection and improving the accuracy and efficiency of the inspection results.
Patent Information
- Application Number
- CN202520252664.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Traditional crack detection relies on manual visual inspection, which is time-consuming, labor-intensive, and the accuracy and reliability of the detection results are not high.
A vision inspection device is used to capture ground images in real time. Combined with a servo motor and gear ring system, cracks are automatically identified and marked. The height of the marking pen is adjusted using a worm gear and threaded rod to ensure accuracy and efficiency.
Reduce manual operation burden, avoid errors, improve the accuracy and efficiency of marking results, and ensure the quality of line drawing.
Smart Images

Figure CN223637401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road surface crack marking device technical field, specifically is a kind of marking device for crack detection. BACKGROUND
[0002] In the field of construction engineering, road maintenance, bridge detection, crack detection is an important link to ensure structural safety. The emergence of cracks often indicates that there is stress concentration, material aging or insufficient bearing capacity in the structure, and if not timely found and repaired, it may lead to structural damage, and even cause safety accidents, therefore, the crack needs to be marked, so as to facilitate subsequent staff to carry out repair work.
[0003] The traditional crack detection method mainly relies on manual visual inspection, which is not only time-consuming and laborious, but also easily affected by factors such as personnel experience and light conditions, resulting in low accuracy and reliability of the detection results, therefore, we propose a kind of marking device for crack detection. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of marking device for crack detection to solve the problems raised in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of marking device for crack detection, including device main body, handrail is arranged on the device main body, the device main body bottom is uniformly provided with several rollers, the device main body is internally provided with cavity, the device main body bottom is also provided with tray, tray is uniformly provided with several slide rods, slide rod is slidably arranged with mounting bracket, mounting bracket is slidably arranged with gear ring, gear ring bottom is provided with line marking pen, the mounting bracket is also provided with fixed plate, fixed plate is provided with driving gear, driving gear and gear ring are interlocked, the cavity upper wall is also provided with visual detector, the tray is also rotatably provided with threaded rod, threaded rod penetrates mounting bracket and is threadedly connected with mounting bracket.
[0007] As a further scheme of the utility model: the device main body is also provided with installation cavity inside, the threaded rod is provided with worm wheel by key connection inside installation cavity, the device main body is also rotatably provided with worm, worm and worm wheel are interlocked.
[0008] As a further scheme of the utility model: the device main body is also provided with controller, power supply and related control components, the controller, power supply, control components and visual detector are electrically connected by wire.
[0009] As a further scheme of the utility model: the fixed plate is further provided with a servo motor, a power output shaft of the servo motor is connected with a rotating shaft of the driving gear through a shaft coupling.
[0010] As a further scheme of the utility model: the device main body outer wall is further provided with a motor, a power output shaft of the motor is connected with the worm through a shaft coupling.
[0011] As a further scheme of the utility model: the threaded rod penetrates the installation cavity side wall and extends to the inside of the installation cavity.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] 1, visual detector can capture ground image in real time, and accurate crack position is recognized through built-in algorithm, then servo motor is started to drive the marking pen to move through driving gear and gear ring, thereby crack position is marked, automatic processing mode not only reduces the burden of manual operation, but also avoids error caused by human factors, ensures the accuracy of marking result, and improves the marking efficiency;
[0014] 2, under the action of worm gear, worm and threaded rod, the height of the marking pen is conveniently adjusted, thereby reducing the situation that the marking pen is worn out due to contact with the ground when not marking, ensuring the use efficiency of the marking pen, and under the action of worm gear self-locking function, the position of the marking pen after adjustment can be limited, thereby ensuring the marking quality of the marking pen. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the utility model embodiment.
[0016] Fig. 2 It is a structural schematic view of the utility model embodiment from the bottom.
[0017] Fig. 3 It is a structural schematic view of the device main body inside in the utility model embodiment.
[0018] Fig. 4 It is a structural schematic view of A in the utility model embodiment.
[0019] Marking annotation: 1, device main body;2, roller;3, handrail;4, tray;5, sliding rod;6, mounting bracket;7, gear ring;8, fixed plate;9, driving gear;10, marking pen;11, visual detector;12, threaded rod;13, worm gear;14, worm;15, motor. DETAILED DESCRIPTION
[0020] The following embodiments will be described in detail with reference to the accompanying drawings. In the drawings or description, similar or identical parts are designated by the same reference numerals, and in practical applications, the shapes, thicknesses, or heights of the components can be enlarged or reduced. The embodiments listed in the present application are only used to illustrate the present application and are not intended to limit the scope of the present application. Any obvious modification or change made to the present application does not deviate from the spirit and scope of the present application.
[0021] Embodiment
[0022] Please refer to Figs. 1-4 In the embodiment of the present application, a marking device for crack detection includes a device main body 1, the device main body 1 is uniformly provided with a plurality of rollers 2 at the bottom, at this time, under the action of the rollers 2, the device can be moved, thereby facilitating subsequent crack marking work, a handrail 3 is further provided on the device main body 1, under the action of the handrail 3, the device main body 1 is conveniently moved by the staff through the handrail 3 and the rollers 2.
[0023] The device main body 1 is internally provided with a cavity, the device main body 1 is further provided with a tray 4 at the bottom, a plurality of slide rods 5 are uniformly provided on the tray 4, a mounting bracket 6 is slidably provided on the slide rod 5, a gear ring 7 is slidably provided on the mounting bracket 6, a line marker 10 is provided at the bottom of the gear ring 7, a fixed plate 8 is further provided on the mounting bracket 6, a driving gear 9 is provided on the fixed plate 8, the driving gear 9 and the gear ring 7 are mutually engaged, at this time, the driving gear 9 can drive the gear ring 7 to rotate, thereby driving the line marker 10 to move, and further enabling the line marker 10 to perform line marking work, a servo motor is further provided on the fixed plate 8, the power output shaft of the servo motor is connected with the rotating shaft of the driving gear 9 through a shaft coupling, at this time, the servo motor can drive the driving gear 9 to rotate, thereby enabling the line marker 10 to better perform line marking work.
[0024] A threaded rod 12 is further rotatably provided on the tray 4, the threaded rod 12 penetrates through the mounting bracket 6 and is threadedly connected with the mounting bracket 6, at this time, rotating the threaded rod 12 can drive the mounting bracket 6 to move up and down, thereby enabling the line marker 10 to better contact with the ground, and further ensuring the line marking quality of the line marker 10, a visual detector 11 is further provided on the inner wall above the cavity, a controller, a power supply, and related control components are further provided inside the device main body 1, the controller, the power supply, the control components, and the visual detector 11 are electrically connected through wires, when the device main body 1 moves, the visual detector 11 works to detect the ground state, thereby ensuring the quality and efficiency of the ground crack detection of the device, and further ensuring the subsequent marking efficiency.
[0025] The installation cavity is arranged in the device body 1, the threaded rod 12 penetrates the side wall of the installation cavity and extends into the installation cavity, the threaded rod 12 is provided with a worm wheel 13 through key connection on the inside of the installation cavity, the device body 1 is further provided with a worm gear 14, the worm gear 14 and the worm wheel 13 are in meshing engagement, at this time, the worm gear 14 can drive the threaded rod 12 to rotate through the worm wheel 13, so that the height of the marking pen 10 can meet the actual use requirements, in addition, the worm wheel 13 and the worm gear 14 have a self-locking function, so that the position of the marking pen 10 after adjustment can be limited, thereby ensuring the use efficiency of the marking pen 10, the device body 1 is further provided with a motor 15 on the outer wall, the power output shaft of the motor 15 is connected with the worm gear 14 through a shaft coupling, at this time, the motor 15 can drive the worm gear 14 to rotate, thereby adjusting the position of the marking pen 10.
[0026] In actual use, the staff can easily move the device body 1 to the detection area with the help of the handrails 3 and the rollers 2, after the device is started, the visual detector 11 starts to work immediately, and the ground state is detected in real time, and the position information of the cracks is effectively captured and recorded, when the visual detector 11 detects the cracks, the controller receives the signal and starts the motor 15, and drives the worm gear 14 to rotate through the shaft coupling. The worm gear 14 and the worm wheel 13 are in meshing engagement, and the worm wheel 13 is arranged on the threaded rod 12 through key connection, so that the rotation of the worm gear 14 drives the threaded rod 12 to rotate. Since the threaded rod 12 is threadedly connected with the mounting frame 6, the rotation of the threaded rod 12 drives the mounting frame 6 to move up and down, thereby adjusting the height of the marking pen 10, so that the marking pen 10 is in contact with the ground, and then the servo motor drives the driving gear 9 to rotate through the shaft coupling, the driving gear 9 and the tooth ring 7 are in meshing engagement, thereby driving the tooth ring 7 to slide on the mounting frame 6, and this movement drives the marking pen 10 to move, thereby marking, and the accurate control of the servo motor ensures that the marking pen 10 can accurately and stably mark along the cracks, thereby improving the marking accuracy and efficiency. In order to ensure that the marking pen 10 is in good contact with the ground and ensure the marking quality, not only can the marking pen 10 adapt to different ground conditions, but also can ensure the stability and quality of the marking work.
[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0028] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A marking device for crack detection, comprising a device body (1) provided with a handrail (3), characterized in that, The bottom of the device body (1) is uniformly provided with several rollers (2), the inside of the device body (1) is provided with a cavity, the bottom of the device body (1) is further provided with a tray (4), the tray (4) is uniformly provided with several slide rods (5), the slide rods (5) are slidably provided with mounting racks (6), the mounting racks (6) are slidably provided with tooth rings (7), the bottom of the tooth ring (7) is provided with a line marker (10), the mounting rack (6) is further provided with a fixed plate (8), the fixed plate (8) is provided with a driving gear (9), the driving gear (9) and the tooth ring (7) are meshed with each other, the upper inner wall of the cavity is further provided with a visual detector (11), the tray (4) is further rotatably provided with a threaded rod (12), the threaded rod (12) penetrates the mounting rack (6) and is threadedly connected with the mounting rack (6).
2. The crack detection marking device according to claim 1, characterized by The inside of the device body (1) is further provided with a mounting cavity, the threaded rod (12) is provided with a worm wheel (13) inside the mounting cavity through key connection, the device body (1) is further rotatably provided with a worm (14), and the worm (14) and the worm wheel (13) are meshed with each other.
3. The crack detection marking device according to claim 1, wherein The inside of the device body (1) is further provided with a controller, a power supply and related control components, and the controller, the power supply, the control components and the visual detector (11) are electrically connected through wires.
4. The crack detection marking device according to claim 1, characterized by The fixed plate (8) is further provided with a servo motor, and the power output shaft of the servo motor is connected with the rotating shaft of the driving gear (9) through a shaft coupling.
5. The crack detection marking device according to claim 2, wherein The outer wall of the device body (1) is further provided with a motor (15), and the power output shaft of the motor (15) is connected with the worm (14) through a shaft coupling.
6. The crack detection marking device according to claim 2, wherein The threaded rod (12) penetrates the side wall of the mounting cavity and extends into the mounting cavity.