Bridge vibration monitoring device
By designing a protective box and clamping mechanism, combined with a screw, handle and push plate, the bridge vibration monitoring device solves the problem of inconvenient disassembly of existing devices, realizes rapid installation and disassembly of vibration sensors, facilitates maintenance, and improves efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SOUTHWEST PETROLEUM UNIV
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-21
AI Technical Summary
Existing bridge vibration monitoring devices are inconvenient to disassemble, making them difficult to replace or repair quickly, which affects their efficiency and safety.
A bridge vibration monitoring device was designed, comprising a protective box, a vibration sensor, a positioning mechanism, and a clamping mechanism. Through the cooperation of a screw, a handle, and a push plate, the vibration sensor can be quickly installed and disassembled, facilitating maintenance or replacement.
This enables rapid assembly and disassembly of vibration sensors, improving the ease of use and protective effect of the device, and ensuring the continuity and safety of bridge vibration monitoring.
Smart Images

Figure CN224151824U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vibration monitoring technology, and in particular to a bridge vibration monitoring device. Background Technology
[0002] Bridges have played a vital role in the development and evolution of human civilization. Bridge safety is a major issue concerning people's livelihood. In bridge safety monitoring, bridge vibration monitoring is an important assessment indicator. Bridge vibration information can reflect the safety and durability of the bridge structure, providing a basis and guidance for bridge maintenance, repair, and management decisions. With economic development, the construction of bridges is increasing, making bridge safety monitoring even more important. Although the bridge vibration monitoring devices currently used can meet normal usage requirements, they still have shortcomings in actual use. For example, the vibration monitoring devices currently used are relatively inconvenient to disassemble, and are often directly installed on the bridge surface. When the device is damaged, it is not convenient to disassemble, replace, or repair it. Improvements are needed. Therefore, a bridge vibration monitoring device is proposed. Utility Model Content
[0003] To address the issue of the difficulty in quickly disassembling, replacing, or repairing the device, this utility model provides a bridge vibration monitoring device.
[0004] This utility model provides a bridge vibration monitoring device, which adopts the following technical solution:
[0005] A bridge vibration monitoring device includes a protective box and a vibration sensor. The inner cavity of the protective box is provided with a positioning mechanism, and a positioning frame is fixedly connected to the surface of the positioning mechanism. The vibration sensor is placed in the inner cavity of the positioning frame, and the inner cavity of the positioning frame is provided with a clamping mechanism.
[0006] The positioning mechanism includes a screw, which is threaded to the right side of the protective box. A rotating handle is fixedly connected to the right side of the screw, and a push plate is rotatably connected to the left side of the screw via a bearing. The left side of the push plate is fixedly connected to the right side of the positioning frame.
[0007] By adopting the above technical solution, the vibration sensor can be moved to contact the bridge for vibration monitoring. At the same time, the vibration sensor can be quickly disassembled for repair or replacement in case of damage. This method is convenient for disassembling and assembling the vibration sensor, has good protection effect, and is easy to use.
[0008] Optionally, the clamping mechanism includes two telescopic rods, which are respectively fixedly installed on the front and back of the positioning frame cavity. The telescopic ends of the telescopic rods are fixedly connected to clamping plates, and the outer surfaces of the telescopic rods are movably connected to compression springs.
[0009] By adopting the above technical solution, it is easy to limit the movement of the vibration sensor.
[0010] Optionally, sliders are fixedly connected to both the front and back of the push plate, and grooves for use with the sliders are provided on both the front and back of the inner cavity of the protective box. The outer surface of the slider is slidably connected to the inner surface of the groove.
[0011] By adopting the above technical solution, the movement of the push plate can be guided and limited.
[0012] Optionally, a protective pad is fixedly connected to the side of the clamp away from the telescopic rod, and the protective pad is tightly fitted to the connection point of the vibration sensor.
[0013] By adopting the above technical solution, the surface of the vibration sensor can be protected.
[0014] Optionally, the end of the compression spring near the clamping plate is fixedly connected to the connection point of the clamping plate, and the end of the compression spring away from the clamping plate is fixedly connected to the connection point of the inner cavity of the positioning frame.
[0015] By adopting the above technical solution, the stability of the compression spring can be improved.
[0016] Optionally, mounting plates are fixedly connected to the left side of both the front and back of the protective box, and mounting holes are provided at the top and bottom of the right side of the mounting plates.
[0017] By adopting the above technical solution, it is easy to install and fix the protective box.
[0018] Optionally, a vibration monitoring device is fixedly installed on the right side of the bottom of the protective box, and a sealing plate is fixedly installed on the top of the protective box by screws.
[0019] By adopting the above technical solution, it is easy to seal the protective box.
[0020] In summary, this utility model has the following beneficial effects:
[0021] This invention facilitates the monitoring of bridge vibrations by incorporating a vibration sensor, protects the sensor by providing a protective enclosure, limits the sensor's position by using a positioning frame and clamping mechanism, and allows the sensor to move and contact the bridge for vibration monitoring by incorporating a handle, screw, and push plate. Furthermore, it enables quick disassembly and repair or replacement of the vibration sensor in case of damage. This method offers convenient sensor assembly and disassembly, good protection, and ease of use. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of this utility model;
[0023] Figure 2 This is a left view of the structure of this utility model;
[0024] Figure 3 This is a top sectional view of the structure of this utility model;
[0025] Figure 4 The structure of this utility model Figure 2 A magnified view of a portion of point A in the middle.
[0026] In the diagram: 1. Protective box; 2. Vibration sensor; 3. Positioning mechanism; 301. Screw; 302. Rotary handle; 303. Push plate; 4. Positioning frame; 5. Clamping mechanism; 501. Telescopic rod; 502. Clamping plate; 503. Compression spring; 6. Slider; 7. Slide groove; 8. Protective pad; 9. Mounting plate; 10. Mounting hole; 11. Vibration monitor. Detailed Implementation
[0027] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Example:
[0029] Please refer to Figure 1-4 A bridge vibration monitoring device includes a protective box 1 and a vibration sensor 2. The inner cavity of the protective box 1 is provided with a positioning mechanism 3, and a positioning frame 4 is fixedly connected to the surface of the positioning mechanism 3. The vibration sensor 2 is placed in the inner cavity of the positioning frame 4, and a clamping mechanism 5 is provided in the inner cavity of the positioning frame 4.
[0030] The positioning mechanism 3 includes a screw 301, which is threaded to the right side of the protective box 1. A handle 302 is fixedly connected to the right side of the screw 301. A push plate 303 is rotatably connected to the left side of the screw 301 via a bearing. The left side of the push plate 303 is fixedly connected to the right side of the positioning frame 4.
[0031] As a further technical optimization of this utility model, the clamping mechanism 5 includes two telescopic rods 501, which are respectively fixedly installed on the front and back of the inner cavity of the positioning frame 4. The telescopic ends of the telescopic rods 501 are fixedly connected to clamping plates 502, and the outer surface of the telescopic rods 501 is movably connected to compression springs 503.
[0032] As a further technical optimization of this utility model, the front and back of the push plate 303 are fixedly connected with sliders 6, and the front and back of the inner cavity of the protective box 1 are provided with sliding grooves 7 for use with sliders 6, and the outer surface of sliders 6 is slidably connected to the inner surface of sliding grooves 7.
[0033] As a further technical optimization of this utility model, a protective pad 8 is fixedly connected to the side of the clamping plate 502 away from the telescopic rod 501, and the protective pad 8 is tightly fitted to the connection of the vibration sensor 2.
[0034] As a further technical optimization of this utility model, the end of the compression spring 503 near the clamping plate 502 is fixedly connected to the connection point of the clamping plate 502, and the end of the compression spring 503 away from the clamping plate 502 is fixedly connected to the connection point of the inner cavity of the positioning frame 4.
[0035] As a further technical optimization of this utility model, the protective box 1 is further provided with mounting plates 9 fixedly connected to the left side of both the front and back sides, and mounting holes 10 are provided at the top and bottom of the right side of the mounting plates 9.
[0036] As a further technical optimization of this utility model, a vibration monitoring instrument 11 is fixedly installed on the right side of the bottom of the inner cavity of the protective box 1, and a sealing plate is fixedly installed on the top of the protective box 1 by screws.
[0037] In this embodiment: a vibration sensor 2 is provided to facilitate the monitoring of bridge vibration; a protective box 1 is provided to protect the vibration sensor 2; a positioning frame 4, a telescopic rod 501, a compression spring 503, and a clamping plate 502 are provided to limit the vibration sensor 2 and prevent it from moving during installation; a rotating handle 302, a screw 301, and a push plate 303 are provided to move the vibration sensor 2 and bring it into contact with the bridge for vibration monitoring; and the vibration sensor 2 can be quickly disassembled for repair or replacement in case of damage. This method is convenient for the installation and disassembly of the vibration sensor 2, provides good protection, and is easy to use. A slider 6 and a sliding groove 7 are provided to guide and limit the movement of the push plate 303; a protective pad 8 is provided to protect the surface of the vibration sensor 2; a mounting plate 9 and mounting holes 10 are provided to facilitate the installation and fixation of the protective box 1; a vibration monitor 11 is provided to facilitate the processing of the monitoring information from the vibration sensor 2; and a sealing plate is provided to seal the top of the protective box 1.
[0038] The implementation principle of this utility model is as follows: In use, the protective box 1 is installed on the side of the bridge through the mounting plate 9 and mounting hole 10. The vibration sensor 2 is installed in the positioning frame 4. The clamping plate 502 is moved by the action of the compression spring 503 to limit the vibration sensor 2. Then, the rotating handle 302 is rotated, which drives the screw 301 to rotate. The screw 301 drives the push plate 303 to move to the left. The push plate 303 drives the positioning frame 4 and the limited vibration sensor 2 to move to the left, so that the vibration sensor 2 contacts the bridge and monitors the vibration of the bridge. When the vibration sensor 2 malfunctions and needs to be disassembled for maintenance or replacement, the sealing plate is opened, and the rotating handle 302 is rotated. The rotating handle 302 drives the screw 301 to rotate. The screw 301 drives the push plate 303 to move to the right. The push plate 303 drives the positioning frame 4 and the limited vibration sensor 2 to move to the right, so that the vibration sensor 2 is separated from the bridge. Then the vibration sensor 2 can be removed for maintenance or replacement. This method is convenient for disassembling and assembling the vibration sensor 2, has a good protective effect, and is easy to use.
[0039] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.
Claims
1. A bridge vibration monitoring device comprising a protective case (1) and a vibration sensor (2), characterized in that: The protective box (1) is provided with a positioning mechanism (3) in its inner cavity. A positioning frame (4) is fixedly connected to the surface of the positioning mechanism (3). The vibration sensor (2) is placed in the inner cavity of the positioning frame (4). A clamping mechanism (5) is provided in the inner cavity of the positioning frame (4). The positioning mechanism (3) includes a screw (301), which is threaded to the right side of the protective box (1). A handle (302) is fixedly connected to the right side of the screw (301), and a push plate (303) is rotatably connected to the left side of the screw (301) via a bearing. The left side of the push plate (303) is fixedly connected to the right side of the positioning frame (4).
2. A bridge vibration monitoring device according to claim 1, characterised in that: The clamping mechanism (5) includes two telescopic rods (501), which are fixedly installed on the front and back of the inner cavity of the positioning frame (4), respectively. The telescopic ends of the telescopic rods (501) are fixedly connected to clamping plates (502), and the outer surface of the telescopic rods (501) is movably connected to compression springs (503).
3. The bridge vibration monitoring device of claim 1, wherein: The push plate (303) is fixedly connected to the front and back of the slider (6), and the protective box (1) has a sliding groove (7) on the front and back of the inner cavity to cooperate with the slider (6). The outer surface of the slider (6) is slidably connected to the inner surface of the sliding groove (7).
4. The bridge vibration monitoring apparatus of claim 2, wherein: A protective pad (8) is fixedly connected to the side of the clamp (502) away from the telescopic rod (501), and the protective pad (8) is tightly fitted to the connection of the vibration sensor (2).
5. The bridge vibration monitoring apparatus of claim 2, wherein: The end of the compression spring (503) near the clamping plate (502) is fixedly connected to the connection point of the clamping plate (502), and the end of the compression spring (503) away from the clamping plate (502) is fixedly connected to the connection point of the inner cavity of the positioning frame (4).
6. The bridge vibration monitoring apparatus of claim 1, wherein: The protective box (1) has mounting plates (9) fixedly connected to the left side of both the front and back sides, and mounting holes (10) are provided at the top and bottom of the right side of the mounting plates (9).
7. The bridge vibration monitoring apparatus of claim 1, wherein: A vibration monitoring instrument (11) is fixedly installed on the right side of the bottom of the inner cavity of the protective box (1), and a sealing plate is fixedly installed on the top of the protective box (1) by screws.