Detection device for narrow space in bridge

Abstract

The utility model relates to the technical field of bridge detection, and particularly discloses a bridge internal narrow space detection device which comprises a machine body, a driving device, an adjustable camera device and a controller. Wherein the driving device comprises motors and driving wheels, the driving wheels are detachably connected to the two sides of the fuselage, each driving wheel is connected with the corresponding independent motor, the adjustable camera device comprises a camera, a light supplementing lamp and a holder, the camera is detachably connected to the holder, the light supplementing lamp is arranged around the camera, and the light supplementing lamp is arranged around the holder. And the holder is fixed on the front end surface of the fuselage. And the controller is arranged in the machine body and has a wireless communication function. The motor, the camera, the light supplementing lamp and the holder are all connected with a controller, and the controller is connected with a power supply device arranged in the machine body. The bridge detection device can conveniently enter a narrow space in a bridge for detection, and the power assembly can be flexibly replaced, so that the bridge detection device adapts to different detection environments.

Description

Technical Field

[0001] This utility model relates to the field of bridge inspection technology, and in particular to a device for inspecting confined spaces inside bridges. Background Technology

[0002] During their service life, bridges are susceptible to cracks, corrosion, and other defects in their internal and end areas due to long-term exposure to natural environments and traffic loads, affecting structural safety and service life. Traditional bridge inspection methods primarily rely on manual observation or localized measurements using external equipment. However, due to the complex and limited space inside bridges, manual inspection often has many limitations, failing to comprehensively cover all critical areas, resulting in low inspection efficiency and blind spots. Currently, although some robotic inspection equipment is used in bridge inspection, these devices are typically large and difficult to access the confined spaces inside bridges. Furthermore, existing equipment lacks the ability to quickly replace power components and cameras, limiting its adaptability to different inspection environments. Utility Model Content

[0003] This invention provides a device for detecting confined spaces inside bridges. It not only facilitates entry into these spaces for inspection but also allows for flexible replacement of the power components, adapting to different inspection environments. Specifically, the technical solution of this invention is as follows.

[0004] A device for detecting confined spaces inside bridges includes: a body, a drive unit, a power supply unit, an adjustable camera device, and a controller. The drive unit includes a motor and drive wheels. Drive wheels are detachably connected to both sides of the body, and each drive wheel is connected to an independent motor, which is fixed within the body. The adjustable camera device includes a camera, a supplementary light, and a pan-tilt unit. The camera is detachably connected to the pan-tilt unit, the supplementary light is arranged around the camera, and the pan-tilt unit is fixed to the front surface of the body. The controller is located within the body and has wireless communication capabilities. The motor, camera, supplementary light, and pan-tilt unit are all connected to the controller, which is detachably connected to the power supply unit located within the body.

[0005] Furthermore, the power supply device is detachably connected to the controller, facilitating quick replacement of the power supply device.

[0006] Furthermore, it also includes a control terminal device capable of bidirectional communication with the controller, enabling operators to send control commands to the controller via the control terminal device.

[0007] Furthermore, the control terminal device has a display and control screen to send control commands to the controller and display the results fed back by the controller.

[0008] Furthermore, it also includes an antenna connected to a signal repeater, which is capable of bidirectional communication with the control terminal device. The antenna is also capable of bidirectional communication with the controller, so that when there is some shielding inside the bridge or the detection distance is long, the communication signal can be enhanced and relayed through the device consisting of the signal repeater and the antenna.

[0009] Furthermore, the device is also equipped with a power interface, which is detachably connected to the power supply device for charging the power supply device.

[0010] Furthermore, the top surface of the device body is a detachable cover plate, allowing for quick replacement of the internal power supply device or maintenance after opening the device, thus improving the ease of operation and efficiency of the device during the testing process. Preferably, the lower surface edge of the cover plate has a sealing strip for a sealed connection with the device body, preventing external moisture, dust, etc., from entering the device body during the testing process.

[0011] Furthermore, the drive wheel includes any one of ordinary tire drive wheel, tracked drive wheel, or Mecanum wheel drive wheel, so as to obtain good mobility and passage performance in different detection environments.

[0012] Compared with the prior art, the present invention has the following beneficial technical effects:

[0013] (1) The detection device of this utility model, through the drive device and adjustable camera device that are detachably connected to the machine body, provides great convenience for quickly changing the drive device and adjustable camera device in different scenarios, and improves the adaptability and efficiency of on-site detection.

[0014] (2) The detection device of this utility model installs the adjustable camera device at the front of the body through a gimbal, so that the camera can be adjusted according to the different heights and angles of the target area, better adapting to the image acquisition needs of the narrow space inside the bridge, and improving detection efficiency and coverage.

[0015] (3) The detection device of this utility model is small, flexible, adaptable and easy to operate. It can realize remote accurate detection and real-time monitoring. It is especially suitable for the detection of parts such as the inside of bridge box girders, expansion joints and beam ends. It effectively reduces the safety risks and labor costs of manual detection and has broad engineering application value. Attached Figure Description

[0016] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0017] Figure 1 This is a front view of the bridge interior confined space detection device in the following embodiments.

[0018] Figure 2 This is a top view of the bridge interior confined space detection device in the following embodiments.

[0019] Figure 3 The following is a top-view schematic diagram of the internal structure of the fuselage in the embodiments below.

[0020] Figure 4 The following is a left view of the bridge interior confined space detection device in the following embodiments.

[0021] Figure 5 The following is a schematic diagram of the controller structure in the embodiments below.

[0022] Figure 6 This is a schematic diagram of the bridge interior confined space detection device in use in the following embodiments.

[0023] The labels in the above figures represent: 1-body, 2-drive device, 3-power supply device, 4-adjustable camera device, 5-controller, 6-control terminal device, 7-signal repeater, 8-antenna, 101-power interface, 102-cover plate, 201-motor, 202-drive wheel, 203-bolt, 401-housing, 402-pan and tilt, 403-camera, 404-fill light, 405-front cover plate, 406-signal line, 501-main control board, 502-drive board. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. For ease of description, the words "up," "down," "left," and "right" appearing in the present utility model only indicate that they are consistent with the up, down, left, and right directions of the drawings themselves, and are only for the purpose of facilitating the description of the present utility model and simplifying the description. Therefore, they should not be construed as specific limitations on the present utility model. The technical solutions of the present utility model will be further introduced below with reference to specific embodiments.

[0025] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 Example: A device for detecting confined spaces inside a bridge includes: a body 1, a drive unit 2, a power supply unit 3, an adjustable camera 4, and a controller 5. Specifically:

[0026] The fuselage 1 has an internal cavity, which is divided into a lower power compartment and an upper energy compartment, separated by a removable partition. The drive unit 2 includes a motor 201 and drive wheels 202, wherein the motor 201 is fixed in the power compartment, and there are four drive wheels 202, which are symmetrically arranged on both sides of the fuselage 1. Each drive wheel 202 is detachably connected to an independent motor 201 by bolts 203. Thus, by adjusting the speed and rotation direction (forward or reverse) of each independently operable motor 201, the fuselage 1 can move and turn flexibly in different terrains and spatial environments. In addition, different types of drive wheels 202 can be replaced according to the actual environment. For example, in the smooth or relatively flat environment inside the bridge, ordinary tire drive wheels are preferred; when traveling between bridge joints with debris or uneven surfaces, tracked or Mecanum wheel drive wheels can be used. Thus, the bridge inspection device of this embodiment can obtain good mobility and passage performance in various inspection environments, improving the adaptability and efficiency of field inspection.

[0027] The adjustable camera device 4 includes: a housing 401, a gimbal 402, a camera 403, and a fill light 404. The housing 401 is connected to the gimbal 402, which is fixed to the front end of the main body 1, allowing the housing 401 to move under the drive of the gimbal 402. The camera 403 and the fill light 404 are both located in the front port of the inner cavity of the housing 401. A front cover 405 of the housing 401 engages with the front port of the inner cavity for easy removal. The fill lights 404 are distributed around the camera 403, and the front cover 405 has through holes corresponding to the camera 403 and the fill light 404, or the front cover 405 may be transparent. The camera 403 is detachably connected to one end of a signal cable 406 via a USB interface for easier replacement. The other end of the signal cable 406 is connected to a controller 5 to transmit acquired information. The camera 403 is used to capture images of the target area, collecting image data from different locations inside the bridge. The supplementary light 404 is used to illuminate the captured surface in the dimly lit space inside the bridge, improving image clarity. The camera 403, supplementary light 404, and pan-tilt unit 402 can all be commercially available products. For example, commercially available single-axis pan-tilt units and multi-axis pan-tilt units can flexibly adjust the shooting angle of the camera 403, ensuring comprehensive and flexible image acquisition, meeting multi-angle detection needs, and facilitating high-precision detection by remotely controlling the detection device of this embodiment in the complex environment of a bridge. This achieves seamless coverage of the narrow space inside the bridge, while effectively reducing the risks and costs of manual inspection.

[0028] The controller 5 is located in the energy compartment of the fuselage 1. (Reference) Figure 5 The controller 5 includes a main control board 501 and a driver board 502. The main control board 501 (model: Wildfire STM32MP157 core board) integrates an A133 series CPU processor module, runs the Android operating system, and is equipped with a wireless communication module for human-machine interface, remote communication, and upper-level control logic processing. The other end of the signal line 406 and the gimbal 402 are connected to the main control board 501. The driver board 502 (model: TOUGLESY L298N dual H-bridge motor driver board module) includes a coprocessor, a power drive unit, and a power management unit. The coprocessor receives instructions from the main control board 501, and the power drive unit and power management unit are responsible for the power output control of the motor 201 and system power supply management, respectively. The driver board 502 is connected to the motor 201, the power supply device 3, and the supplementary light 404. The power supply device 3 can be a rechargeable battery, etc. The controller described above can also be a commercially available product. The detection device in this embodiment is small, flexible, adaptable, and easy to operate. It can achieve remote and accurate detection and real-time monitoring, and is especially suitable for the detection of parts such as the inside of bridge box girders, expansion joints, and beam ends. It effectively reduces the safety risks and labor costs of manual detection and improves detection efficiency.

[0029] In a further embodiment, the power supply device 3 and the controller 5 of the above-mentioned bridge interior confined space detection device are connected by a plug-in connection, so that the two can be detached and the power supply device 3 can be quickly replaced, so that the detection device can continue to operate and complete the detection work.

[0030] In a further implementation, refer to Figure 1 The rear of the body 1 of the aforementioned bridge internal confined space detection device is also provided with a power interface 101, which is detachably connected to the power supply device 3 via a plug-in connection. The power interface 101 is used to connect to an external power source, to directly power the electrical components in the detection device when necessary, or to charge the power supply device 3.

[0031] In a further implementation, refer to Figure 2 The top surface of the body 1 of the aforementioned bridge internal confined space detection device is a cover plate 102 that can be detachably connected by buckles or bolts, so that the power supply device 3 inside can be quickly replaced or maintained after opening the body 1. This improves the ease of operation and efficiency of the device during the detection process. Thus, when there is a long detection task or the power supply device 3 is insufficient, there is no need to disassemble the entire body. Only the cover plate 102 needs to be opened to replace the backup power supply device, which greatly improves the efficiency of on-site operation.

[0032] In a further implementation, refer to Figure 5and Figure 6 The aforementioned bridge interior confined space inspection device also includes a control terminal device 6, which can be a portable device such as a tablet computer with a display and control screen. This facilitates two-way communication between the control terminal device 6 and the controller 5, allowing the operator to send control commands to the controller 5 and receive feedback from the controller 5. This enables inspection tasks to be completed without requiring personnel to enter the inspection area, effectively reducing potential personnel risks during the inspection process and improving inspection efficiency.

[0033] In a further implementation, refer to Figure 5 and Figure 6 The aforementioned bridge interior confined space detection device also includes a signal repeater 7 and an antenna 8, which are connected via a signal line. The signal repeater 7 enables bidirectional communication with the control terminal device 6. The antenna 8 enables bidirectional communication with the controller 5. The signal repeater 7 enhances the stability of the communication signal in environments with severe signal attenuation or long detection distances, while the antenna 8 relays the signal to ensure continuous signal transmission between the detection device and the control terminal device 6. For example, during detection, if severe signal attenuation occurs inside the bridge, the signal repeater 7 can be placed in an appropriate location and the antenna 8 adjusted to enhance communication quality and ensure accurate detection.

[0034] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. A device for detecting confined spaces inside a bridge, characterized in that, include: body; The drive unit includes a motor and drive wheels. Drive wheels are detachably connected to both sides of the body, and each drive wheel is connected to an independent motor, which is fixed in the body. An adjustable camera device includes a camera, a fill light, and a gimbal. The camera is detachably connected to the gimbal, the fill light is arranged around the camera, and the gimbal is fixed to the front surface of the device body. A controller, which is installed in the fuselage, has wireless communication capabilities; Furthermore, the motor, camera, fill light, and gimbal are all connected to a controller, which is detachably connected to the power supply device installed in the body.

2. The bridge interior confined space detection device according to claim 1, characterized in that, The power supply device is detachably connected to the controller.

3. The bridge internal confined space detection device according to claim 1, characterized in that, It also includes a control terminal device that can communicate bidirectionally with the controller.

4. The bridge internal confined space detection device according to claim 3, characterized in that, The control terminal device has a display and control screen.

5. The bridge interior confined space detection device according to claim 1, characterized in that, It also includes an antenna connected to a signal repeater, which is capable of bidirectional communication with the control terminal device; the antenna is capable of bidirectional communication with the controller.

6. The bridge internal confined space detection device according to claim 1, characterized in that, The device body is also equipped with a power interface, which is detachably connected to the power supply device.

7. The bridge internal confined space detection device according to any one of claims 1-6, characterized in that, The top surface of the fuselage is a detachable cover.

8. The bridge interior confined space detection device according to claim 7, characterized in that, The lower surface edge of the cover plate has a sealing strip.

9. The bridge internal confined space detection device according to any one of claims 1-6, characterized in that, The drive wheel includes any one of the following: a conventional tire drive wheel, a tracked drive wheel, or a Mecanum wheel drive wheel.

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