Subway tunnel wall vibration detection device

Abstract

The utility model discloses a subway tunnel wall vibration detection device, which relates to the technical field of vibration monitoring and comprises a fixing frame. Two bottom blocks are connected to the bottom of the fixing frame, and locking mechanisms are connected to the interiors of the bottom blocks. The two first sliding blocks are connected to the rotating disc in a sliding mode, the sliding frame slides through the first sliding blocks, rotation of the sliding frame on the sliding groove is achieved, the second sliding block can slide up and down on the supporting rod, the second electric telescopic rod is driven to move up and down, namely, the detector is driven to move up and down, and the telescopic end of the second electric telescopic rod is connected with the detector. The supporting rod and the second electric telescopic rod jointly act to enable the optical fiber sensor to be close to the tunnel wall for vibration detection, and the design allows the equipment to move in multiple degrees of freedom, so that the adaptability of the equipment to different areas of the tunnel wall is improved; the first sliding block and the second electric telescopic rod are combined for use, so that the position of the optical fiber sensor can be accurately adjusted, and it is ensured that the optical fiber sensor is tightly attached to the tunnel wall for vibration detection.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration monitoring, in particular to a subway tunnel wall vibration detection device. Background Art

[0002] A subway tunnel wall vibration detection device is primarily used to monitor and assess the health of subway tunnel structures. By detecting tunnel wall vibration, it assesses the integrity of the tunnel structure and allows for early detection of potential structural damage or degradation. If vibration data exceeds normal ranges, the device serves as an early warning system, promptly alerting maintenance personnel and passengers to potential risks. Long-term monitoring of vibration data can identify areas requiring more frequent inspection or repair. The subway tunnel wall vibration detection device is a crucial tool for ensuring safe subway operations, preventing accidents, and extending the life of tunnels. By effectively monitoring tunnel wall vibration, potential problems can be identified and addressed promptly.

[0003] The Chinese patent authorization announcement number is CN220270602U, and the name is a vibration detection device, which includes a base, a protective frame fixedly connected to the upper surface of the base, a bottom plate provided at one end of the protective frame, the lower surface of the bottom plate fixedly connected to the upper surface of the base, a gear rod slidably connected inside the bottom plate, a drawing detection plate installed on one upper surface of the gear rod, a drawing pen provided on one side of the drawing detection plate, a clamping assembly fixedly connected to one end of the drawing pen, a mounting seat provided inside the protective frame, springs fixedly connected to the four corners of the lower surface of the mounting seat, and a vibration amplification mechanism provided at the other end of the protective frame. The vibration data and direction of the electromechanical equipment can be intuitively displayed, thereby facilitating observation by staff, and secondly, avoiding the influence of the environment on the detection data, thereby improving the detection accuracy of electromechanical vibration;

[0004] The shortcomings of the above scheme are: although the above scheme can improve the detection accuracy, the detection device cannot be moved during detection, and detection cannot be performed at different positions. The equipment can only monitor the vibration conditions at fixed positions and cannot compare the vibration data of the tunnel wall at different positions, making it difficult to detect whether there are abnormalities in local areas. In order to obtain vibration data from various parts of the tunnel wall, it may be necessary to install multiple fixed monitors, which increases the technical problem of equipment purchase and maintenance costs. Utility Model Content

[0005] The purpose of the utility model is to provide a subway tunnel wall vibration detection device to solve the technical problems in the prior art that the detection device cannot be moved during detection, cannot be detected at different positions, the equipment can only monitor the vibration conditions at fixed positions, cannot compare the tunnel wall vibration data at different positions, and thus it is difficult to detect whether there is an abnormality in a local area.

[0006] The technical problem to be solved by the present invention can be achieved through the following technical solutions:

[0007] A subway tunnel wall vibration detection device includes a fixing frame;

[0008] The bottom of the fixing frame is connected to two bottom blocks, and the bottom blocks are internally connected to a locking mechanism;

[0009] One end of the fixed frame away from the bottom block is connected to a rotating disk, and the rotating disk is provided with a rotating mechanism, and the rotating mechanism includes a slide groove and a slide, and the slide groove is arranged on the rotating disk, and the rotating disk is slidably connected to two sliders 1, and the slide is slidably connected to the slide groove through two sliders 1, and a plurality of support rods are connected to the slide, and a plurality of support rods are slidably connected to sliders 2, and each of the sliders 2 is connected to an electric telescopic rod 2, and the telescopic end of the electric telescopic rod 2 is connected to a detector.

[0010] As a further solution of the present invention: each of the bottom blocks is connected to a wheel.

[0011] As a further solution of the present invention: the locking mechanism includes an electric telescopic rod 1, the electric telescopic rod 1 is connected to the inside of the bottom block, and the telescopic end of the electric telescopic rod 1 is connected to a drill bit.

[0012] As a further solution of the present invention: a lubricant is applied to the slide groove.

[0013] As a further solution of the present invention: the detector is a fiber optic sensor.

[0014] As a further solution of the present invention: a rotating handle is connected to the slide.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model has two sliders 1 slidingly connected to the rotating disk. The slide slides through the slider 1 to realize the rotation of the slide on the slide groove. The slider 2 can slide up and down on the support rod, driving the electric telescopic rod 2 to move up and down, that is, driving the detector to move up and down. The telescopic end of the electric telescopic rod 2 is connected with a detector, where the detector is a fiber optic sensor for detecting the vibration of the tunnel wall. The support rod and the electric telescopic rod 2 work together to enable the fiber optic sensor to be close to the tunnel wall for vibration detection. The design allows the equipment to move in multiple degrees of freedom, which increases the adaptability of the equipment to different areas of the tunnel wall. The combined use of the slider 1 and the electric telescopic rod 2 can accurately adjust the position of the fiber optic sensor to ensure that it fits tightly against the tunnel wall for vibration detection.

[0017] 2. In the present invention, the rotating handle can be manually rotated by the operator to adjust the position of the rotating disk to meet the needs of different monitoring points. The wheels on the bottom block enable the device to be moved in the tunnel to the area that needs to be monitored. After reaching the monitoring position, the locking mechanism inside the bottom block is activated. The locking mechanism is realized by an electric telescopic rod 1. The electric telescopic rod 1 is connected to a drill bit, which can be extended downward to fix the device or drill into the tunnel wall as needed. The use of the electric telescopic rod 1 and the drill bit provides a mechanism for stably fixing the device on the tunnel wall. Whether the tunnel wall is flat or irregular, the device can adapt to it through the telescopic rod and the drill bit to ensure the tight contact between the sensor and the tunnel wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a side view structural diagram of the present utility model;

[0021] Figure 3 It is a schematic diagram of the top view of the rotating disk in the utility model.

[0022] In the figure: 1. Fixed frame; 2. Bottom block; 3. Electric telescopic rod 1; 4. Drill bit; 5. Wheel; 6. Rotating plate; 7. Slider 1; 8. Slider; 9. Rotating handle; 10. Support rod; 11. Slider 2; 12. Electric telescopic rod 2; 13. Detector; 14. Slide. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1-Figure 3 As shown, a subway tunnel wall vibration detection device includes a fixed frame 1, two bottom blocks 2 are connected to the bottom of the fixed frame 1, each of the bottom blocks 2 is connected to a wheel 5, and a locking mechanism is connected to the inside of the bottom block 2. The locking mechanism includes an electric telescopic rod 3, which is connected to the inside of the bottom block 2. The telescopic end of the electric telescopic rod 3 is connected to a drill bit 4;

[0025] The end of the fixed frame 1 away from the bottom block 2 is connected to a rotating disk 6, and a rotating mechanism is provided on the rotating disk 6. The rotating mechanism includes a slide 14 and a slide 8. The slide 14 is set on the rotating disk 6, and two sliders 7 are slidably connected to the rotating disk 6. The slide 8 is slidably connected to the slide 14 through two sliders 7. The slide 14 is coated with lubricant, and a plurality of support rods 10 are connected to the slide 8. The plurality of support rods 10 are slidably connected to sliders 2 11, and each of the sliders 2 11 is connected to an electric telescopic rod 2 12. The telescopic end of the electric telescopic rod 2 12 is connected to a detector 13, and the detector 13 is a fiber optic sensor. The slide 8 is connected to a rotating handle 9.

[0026] The working principle of the present invention is as follows: the equipment is moved and positioned by two bottom blocks 2 connected to the bottom of the fixing frame 1, and the wheels 5 on the bottom block 2 enable the equipment to be moved in the tunnel to the area to be monitored. After reaching the monitoring position, the locking mechanism inside the bottom block 2 is activated, and the locking mechanism is realized by an electric telescopic rod 3. The electric telescopic rod 3 is connected to a drill bit 4, which can extend downward to fix the equipment or drill into the tunnel wall as needed; the precise positioning of the equipment on the tunnel wall can be achieved through the rotating mechanism on the rotating disk 6, and two sliders 7 are slidably connected to the rotating disk 6. The slide 8 slides through the slider 7 to realize the rotation of the slide 8 on the slide groove 14, and the support rod 10 is slidably connected to the slider 2 11. The slider 2 11 can slide up and down on the support rod 10, driving the electric telescopic rod 2 12 to move up and down, that is, The vibration detector 13 moves up and down, and the telescopic end of the electric telescopic rod 12 is connected to the detector 13. Here, the detector 13 is a fiber optic sensor for detecting the vibration of the tunnel wall. The support rod 10 and the electric telescopic rod 12 work together to enable the fiber optic sensor to be close to the tunnel wall for vibration detection. The vibration signal detected by the fiber optic sensor is transmitted to the data acquisition and analysis system through the optical fiber for processing and analysis. The rotating handle 9 of the device can be manually rotated by the operator to adjust the position of the rotating disk 6 to meet the needs of different monitoring points; the design of the entire device allows it to move flexibly in the subway tunnel and can accurately detect vibration at specific positions on the tunnel wall. Through the coordinated use of the electric telescopic rod and the rotating mechanism, the device can be stably positioned and close to the tunnel wall to achieve high-precision vibration monitoring.

[0027] The above describes an embodiment of the present invention in detail. However, the content is only a preferred embodiment of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A subway tunnel wall vibration detection device, comprising a fixing frame (1); characterized in that: The bottom of the fixing frame (1) is connected to two bottom blocks (2), and the bottom blocks (2) are internally connected to a locking mechanism; The fixed frame (1) is connected to a rotating disk (6) at one end away from the bottom block (2). The rotating disk (6) is provided with a rotating mechanism. The rotating mechanism includes a slide groove (14) and a slide (8). The slide groove (14) is provided on the rotating disk (6). Two sliders (7) are slidably connected to the rotating disk (6). The slide (8) is slidably connected to the slide groove (14) through the two sliders (7). The slide (8) is connected to a plurality of support rods (10). The plurality of support rods (10) are all slidably connected to sliders (11). Each slider (11) is connected to an electric telescopic rod (12). The telescopic end of the electric telescopic rod (12) is connected to a detector (13).

2. A subway tunnel wall vibration detection device according to claim 1, characterized in that: Each of the bottom blocks (2) is connected to a wheel (5).

3. The subway tunnel wall vibration detection device according to claim 1, characterized in that: The locking mechanism comprises an electric telescopic rod (3), the electric telescopic rod (3) is connected to the inside of the bottom block (2), and the telescopic end of the electric telescopic rod (3) is connected to a drill bit (4).

4. The subway tunnel wall vibration detection device according to claim 1, characterized in that: The slide groove (14) is coated with lubricant.

5. The subway tunnel wall vibration detection device according to claim 1, characterized in that: The detector (13) is an optical fiber sensor.

6. The subway tunnel wall vibration detection device according to claim 1, characterized in that: The sliding frame (8) is connected to a rotating handle (9).

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