Machine vision detection device for bridge and tunnel deformation
By designing machine vision detection devices for foundation detection components, strain detection components and solar powered components for bridge tunnels, the problem of difficulty in detecting the foundation tilt and strain of bridge tunnels simultaneously in the prior art is solved, and efficient and continuous detection results are achieved.
Patent Information
- Application Number
- CN202421510736.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-28
AI Technical Summary
It is difficult for existing bridge and tunnel deformation detection devices to detect the foundation inclination of bridge tunnels and the strain of the bridge itself at the same time, and it requires power consumption during detection, so it is difficult to supply power in time when power is cut off.
A machine vision detection device for bridge and tunnel deformation is designed, including foundation detection components, strain detection components and power supply components. The foundation detection component uses a digital inclinometer to detect the foundation tilt, and the strain detection component detects deformation and temperature changes of bridges or tunnels through strain sensors and remote infrared cameras; the power supply component uses solar panels and batteries to store it to ensure that the device can still supply power in time when power is cut off.
Simultaneous detection of the inclination and strain of the bridge tunnel foundation is realized, which improves the multi-dimensionality and timeliness of the detection, and solves the problem of power depletion through solar power supply, ensuring the continuous operation of the device.
Smart Images

Figure CN222652168U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bridge and tunnel deformation detection devices, in particular to a machine vision detection device for bridge and tunnel deformation. Background Art
[0002] Smart city refers to an urban development model that uses information and communication technology to improve urban governance and the quality of life of citizens. Smart cities are committed to improving urban operation efficiency, resource utilization efficiency, environmental sustainability and the quality of life of citizens through digitalization, intelligence and sustainable development. The bridge and tunnel deformation detection device is a device used to monitor and evaluate the deformation of bridge and tunnel structures. In smart cities, the bridge and tunnel deformation detection device can play an important role in improving the safety and sustainability of urban transportation facilities.
[0003] Application number: CN202123130842.3, discloses a comprehensive detection, monitoring and early warning device for road, bridge and tunnel safety, which can sense the collapse of underground soil layers by setting up a deformation ball and a connecting rope, thereby transmitting the force change of the deformation ball to the tension sensor, and completing the detection of soil layer collapse by numerical detection of the tension sensor. Multiple vertically linearly distributed matching detection components can detect soil layers of different depths, thereby increasing the overall detection and monitoring range of the device, wherein the locking adjustment component is used in conjunction with the detection component to control whether the deformation ball and the connecting rope can move relative to each other;
[0004] However, compared with the detection device in the patent, it is difficult to detect the inclination of the foundation of the bridge and tunnel and the strain of the bridge itself at the same time. The content that can be detected is limited, and a certain amount of electricity is required during the detection. If the power is off, it is difficult to power the device in time. For this reason, we propose a machine vision detection device for bridge and tunnel deformation. Utility Model Content
[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a machine vision detection device for bridge and tunnel deformation. By setting a foundation detection component, a pre-buried measuring tube with a certain elasticity will deform when the foundation tilts, and the active probe of the digital inclinometer can timely detect the tilt angle of the bridge and tunnel foundation, so as to facilitate the reinforcement of the bridge or tunnel; by setting a strain detection component, a plurality of strain sensors can be installed at the position where the bridge or tunnel needs to be detected, and the strain sensor can be used to detect the deformation of the bridge or tunnel structure, including the strain change when subjected to external load, which helps to understand the deformation degree of the bridge or tunnel during use. By measuring the strain, the size and distribution of the load on the bridge or tunnel can be inferred, which is very important for evaluating the bearing capacity and safety of the bridge. The remote infrared camera can detect the temperature change of the structure of the bridge or tunnel, help discover the heat distribution of the structure, and thus identify potential problems; by setting a power supply component, a battery is installed inside the electric control box, and the solar panel converts solar energy into electrical energy and stores the electrical energy in the battery. The battery can provide electrical energy to the electrical components in the device in time when the main power supply is cut off.
[0006] The above technical objectives of the utility model are achieved through the following technical solutions:
[0007] A machine vision detection device for bridge and tunnel deformation, comprising a mounting frame, the upper end of which is connected to a power supply component, the upper end of which is connected to a strain detection component, the lower end of which is connected to a foundation detection component, and the upper end of which is connected to a fixing component;
[0008] The foundation detection assembly comprises a plurality of support rods, the lower ends of the plurality of support rods are fixedly connected to embedded rods, the outer ends of the embedded rods are fixedly connected to embedded measuring tubes, and a digital inclinometer is placed inside the embedded measuring tubes;
[0009] By setting up a foundation detection component and using a digital inclinometer, when the foundation tilts, the embedded measuring tube with a certain elasticity will deform accordingly. The movable probe of the digital inclinometer can promptly detect the tilt angle of the bridge or tunnel foundation, thereby facilitating the reinforcement of the bridge or tunnel.
[0010] The strain detection assembly includes a top plate and a plurality of remote infrared cameras, the top plate has a groove at its upper end, a mounting seat is movably connected to the top plate, a plurality of strain sensors are fixedly connected to the upper end of the mounting seat, and the plurality of remote infrared cameras are located at the front side of the top plate;
[0011] By setting up strain detection components, multiple strain sensors can be installed at the locations where bridges or tunnels need to be detected. Strain sensors can be used to detect the deformation of bridge or tunnel structures, including strain changes when subjected to external loads. This helps to understand the degree of deformation of bridges or tunnels during use. By measuring strain, the size and distribution of loads on the bridge or tunnel can be inferred, which is crucial for evaluating the bearing capacity and safety of the bridge. Remote infrared cameras can monitor the temperature changes of the bridge or tunnel structure, help discover the heat distribution of the structure, and thus identify potential problems.
[0012] The power supply assembly includes a pair of connecting rods, which are fixedly connected to the front and rear ends of the mounting frame, and the ends of the connecting rods away from the mounting frame are fixedly connected to the solar panels, and the upper end of the mounting frame is fixedly connected to the electric control box.
[0013] By setting up a power supply component, a battery is installed inside the electric control box. The solar panel converts solar energy into electrical energy and stores the electrical energy in the battery. The battery can provide electrical energy to the electrical components in the device in time when the main power supply is cut off.
[0014] Furthermore, the digital inclinometer includes a movable probe, which is movably placed inside the embedded measuring tube, the upper end of the movable probe is fixedly connected to a cable, the end of the cable away from the movable probe is fixedly connected to a waterproof reading instrument, the outside of the embedded rod is fixedly connected to a fixed sleeve, and the fixed sleeve is fixedly connected to the waterproof reading instrument.
[0015] Furthermore, the strain detection component also includes cable 2, which is fixedly connected to the lower end of the strain sensor, and the cable 2 passes through the mounting seat and is movably connected to the mounting seat. The end of the cable 2 away from the strain sensor is fixedly connected to a waterproof reading instrument 2, and the waterproof reading instrument 2 is fixedly connected to the fixed sleeve.
[0016] Furthermore, the strain detection component also includes an electric push rod 1, the front end of the output end of the electric push rod 1 is fixedly connected to an output rod 1, and the front end of the output rod 1 is fixedly connected to a mounting plate 1.
[0017] Furthermore, the upper end of the mounting plate one is fixedly connected to an electric push rod two, the upper end of the output end of the electric push rod two is fixedly connected to an output rod two, the upper end of the output rod two is fixedly connected to the mounting plate two, and the remote infrared camera is fixedly connected to the rear end of the mounting plate two.
[0018] Furthermore, the strain detection component also includes a handwheel, which is rotatably connected to the lower end of the mounting frame, and the upper end of the handwheel is fixedly connected to a screw rod, which passes through the mounting frame and is rotatably connected to the mounting frame, and the outside of the screw rod is movably connected to a slider, which is adapted to the screw rod.
[0019] Furthermore, the left end of the slider is fixedly connected to a support column, the support column is fixedly connected to the bottom of the mounting seat, the upper end of the mounting frame is fixedly connected to a guide rod, the outside of the guide rod is slidably connected to a guide block, the guide block is fixedly connected to the slider, the mounting seat passes through the groove and is slidably connected to the groove, and the support column passes through the groove and is slidably connected to the groove.
[0020] Furthermore, the fixing assembly includes a pair of fixing plates and expansion bolts, wherein the pair of fixing plates are fixedly connected to the upper end of the top plate, and the external threads of the pair of fixing plates are connected to the expansion bolts.
[0021] In summary, the utility model has the following beneficial effects:
[0022] 1. By setting up a foundation detection component, a digital inclinometer can be used to deform the embedded measuring tube with a certain elasticity when the foundation tilts. The active probe of the digital inclinometer can detect the tilt angle of the bridge or tunnel foundation in time, so as to facilitate the reinforcement of the bridge or tunnel. By setting up a strain detection component, multiple strain sensors can be installed at the position where the bridge or tunnel needs to be detected. The strain sensor can detect the deformation of the bridge or tunnel structure, including the strain change when it is subjected to external load, which helps to understand the deformation degree of the bridge or tunnel during use. By measuring the strain, the size and distribution of the load on the bridge or tunnel can be inferred, which is crucial for evaluating the bearing capacity and safety of the bridge. The remote infrared camera can detect the temperature change of the bridge or tunnel structure, help discover the heat distribution of the structure, and thus identify potential problems. By setting up a power supply component, a battery is installed inside the electric control box, and the solar panel converts solar energy into electrical energy and stores the electrical energy in the battery. The battery can provide electrical energy to the electrical components in the device in time when the main power supply is cut off. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the overall structure of this embodiment;
[0024] Figure 2 is a schematic diagram of the structure of the power supply component in this embodiment;
[0025] Figure 3 In this embodiment Figure 1 The structural diagram at A in the middle;
[0026] Figure 4 In this embodiment Figure 2 The structural diagram at B in the middle;
[0027] Figure 5 Schematic diagram of the structure of the screw rod in this embodiment.
[0028] In the figure, 1, mounting frame; 2, power supply assembly; 201, connecting rod; 202, solar panel; 203, electric control box; 3, strain detection assembly; 301, top plate; 302, remote infrared camera; 303, groove; 304, mounting seat; 305, strain sensor; 306, cable 2; 307, waterproof reading instrument 2; 308, electric push rod 1; 309, output rod 1; 310, mounting plate 1; 311, electric push rod 2; 312, output rod 2; 313. Mounting plate 2; 314. Hand wheel; 315. Screw rod; 316. Slider; 317. Support column; 318. Guide rod; 319. Guide block; 4. Foundation detection assembly; 401. Support rod; 402. Embedded rod; 403. Embedded measuring tube; 404. Digital inclinometer; 4041. Movable probe; 4042. Cable 1; 4043. Waterproof reading instrument 1; 4044. Fixing sleeve; 5. Fixing assembly; 501. Fixing plate; 502. Expansion bolt. DETAILED DESCRIPTION
[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0030] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0031] Reference Figure 1 As shown, a machine vision detection device for bridge and tunnel deformation in a preferred embodiment of the utility model includes a mounting frame 1, a power supply component 2 is connected to the upper end of the mounting frame 1, a strain detection component 3 is connected to the upper end of the mounting frame 1, a foundation detection component 4 is connected to the lower end of the mounting frame 1, and a fixing component 5 is connected to the upper end of the mounting frame 1;
[0032] Reference Figure 1 , Figure 2 and Figure 4 As shown, the foundation detection assembly 4 includes a plurality of support rods 401, the lower ends of the plurality of support rods 401 are fixedly connected with embedded rods 402, the outer ends of the embedded rods 402 are fixedly connected with embedded measuring tubes 403, and a digital inclinometer 404 is placed inside the embedded measuring tube 403;
[0033] By setting up the foundation detection component 4 and using the digital inclinometer 404, when the foundation tilts, the embedded measuring tube 403 with a certain elasticity will deform accordingly, and the movable probe 4041 of the digital inclinometer 404 can timely detect the tilt angle of the bridge or tunnel foundation, thereby facilitating the reinforcement of the bridge or tunnel. The device can be used to perform timely and multi-dimensional detection of bridge and tunnel deformation, thereby improving the safety of bridge and tunnel use. The application of the device in smart cities can help urban management departments achieve more intelligent and efficient bridge and tunnel management, improve the safety and sustainability of urban transportation facilities, and provide protection for urban development and the quality of life of residents.
[0034] Reference Figure 1-Figure 5 As shown, the strain detection assembly 3 includes a top plate 301 and a plurality of remote infrared cameras 302. A groove 303 is provided at the upper end of the top plate 301. A mounting seat 304 is movably connected to the upper end of the top plate 301. A plurality of strain sensors 305 are fixedly connected to the upper end of the mounting seat 304. The plurality of remote infrared cameras 302 are located at the front side of the top plate 301.
[0035] By setting up the strain detection component 3, multiple strain sensors 305 can be installed at the position where the bridge or tunnel needs to be detected. The strain sensors 305 can be used to detect the deformation of the bridge or tunnel structure, including the strain change when subjected to external loads. This helps to understand the degree of deformation of the bridge or tunnel during use. By measuring the strain, the size and distribution of the load on the bridge or tunnel can be inferred, which is crucial for evaluating the bearing capacity and safety of the bridge. The remote infrared camera 302 can monitor the temperature changes of the bridge or tunnel structure, help discover the heat distribution of the structure, and thus identify potential problems.
[0036] Reference Figure 1-Figure 2 As shown, the power supply assembly 2 includes a pair of connecting rods 201, which are fixedly connected to the front and rear ends of the mounting frame 1, and the ends of the pair of connecting rods 201 away from the mounting frame 1 are fixedly connected to the solar panels 202, and the upper end of the mounting frame 1 is fixedly connected to the electric control box 203.
[0037] By setting up the power supply component 2, a battery is installed inside the electric control box 203, and the solar panel 202 converts solar energy into electrical energy and stores the electrical energy in the battery. The battery can provide electrical energy to the electrical components in the device in time when the main power supply is cut off.
[0038] Reference Figure 1 , Figure 2 and Figure 4As shown, the digital inclinometer 404 includes a movable probe 4041, which is movably placed inside the embedded measuring tube 403, the upper end of the movable probe 4041 is fixedly connected to a cable 4042, the end of the cable 4042 away from the movable probe 4041 is fixedly connected to a waterproof reading instrument 4043, the outside of the embedded rod 402 is fixedly connected to a fixed sleeve 4044, and the fixed sleeve 4044 is fixedly connected to the waterproof reading instrument 4043.
[0039] By setting up the movable probe 4041, in the initial stage, the movable probe 4041 is lowered into the embedded measuring tube 403, and the point-by-point measurement is performed to record the data of each section of the embedded measuring tube 403. When the foundation changes inclination, the movable probe 4041 is taken out using a cable 4042, and the specific parameters of the inclination and displacement can be obtained and displayed on a waterproof reading instrument 4043.
[0040] Reference Figure 1-Figure 5 As shown, the strain detection component 3 also includes a cable 306, which is fixedly connected to the lower end of the strain sensor 305. The cable 306 passes through the mounting seat 304 and is movably connected to the mounting seat 304. The end of the cable 306 away from the strain sensor 305 is fixedly connected to a waterproof reading instrument 307, and the waterproof reading instrument 307 is fixedly connected to the fixing sleeve 4044.
[0041] By setting up a waterproof reading instrument 307, the value measured by the strain sensor 305 can be read.
[0042] Reference Figure 1-Figure 5 As shown, the strain detection assembly 3 also includes an electric push rod 308, the front end of the output end of the electric push rod 308 is fixedly connected to an output rod 309, and the front end of the output rod 309 is fixedly connected to a mounting plate 310.
[0043] Reference Figure 1-Figure 5 As shown, the upper end of the mounting plate 1 310 is fixedly connected to the electric push rod 2 311, the upper end of the output end of the electric push rod 2 311 is fixedly connected to the output rod 2 312, the upper end of the output rod 2 312 is fixedly connected to the mounting plate 2 313, and the remote infrared camera 302 is fixedly connected to the rear end of the mounting plate 2 313.
[0044] By setting an electric push rod 1 308, the electric push rod 1 308 drives the output rod 1 309, the mounting plate 1 310 and the remote infrared camera 302 to move forward and backward, and the electric push rod 2 311 drives the output rod 2 312, the mounting plate 2 313 and the remote infrared camera 302 to move up and down, thereby facilitating the adjustment of the position of the remote infrared camera 302 and facilitating clearer visual shooting and detection of the bridge and tunnel.
[0045] Reference Figure 1-Figure 5As shown, the strain detection component 3 also includes a handwheel 314, which is rotatably connected to the lower end of the mounting frame 1, and the upper end of the handwheel 314 is fixedly connected to a screw rod 315, which passes through the mounting frame 1 and is rotatably connected to the mounting frame 1, and the external movably connected to the screw rod 315 is a slider 316, which is adapted to the screw rod 315.
[0046] Reference Figure 1-Figure 5 As shown, the left end of the slider 316 is fixedly connected to the support column 317, the support column 317 is fixedly connected to the bottom of the mounting seat 304, the upper end of the mounting frame 1 is fixedly connected to the guide rod 318, the outer side of the guide rod 318 is slidably connected to the guide block 319, the guide block 319 is fixedly connected to the slider 316, the mounting seat 304 passes through the groove 303 and is slidably connected to the groove 303, and the support column 317 passes through the groove 303 and is slidably connected to the groove 303.
[0047] By setting up the strain detection component 3, rotating the hand wheel 314, driving the screw rod 315 to rotate, thereby driving the slider 316 and the support column 317, the mounting seat 304, and the strain sensor 305 to move up and down, it is convenient to adjust the upper and lower positions of the strain sensor 305 and make the strain sensor 305 close to the bridge and tunnel.
[0048] Reference Figure 1-Figure 2 As shown, the fixing assembly 5 includes a pair of fixing plates 501 and expansion bolts 502 . The pair of fixing plates 501 are fixedly connected to the upper end of the top plate 301 , and the external threads of the pair of fixing plates 501 are connected with the expansion bolts 502 .
[0049] By providing the fixing assembly 5 and utilizing the fixing sheet 501 and the expansion bolt 502 , the top of the device can be conveniently installed together with the bridge and tunnel.
[0050] Specific implementation process: the embedded rod 402 and the embedded measuring tube 403 are embedded in the foundation of the bridge and tunnel, and the top of the device can be easily installed with the bridge and tunnel by using the fixing plate 501 and the expansion bolt 502; the hand wheel 314 is turned to drive the screw rod 315 to rotate, thereby driving the slider 316 and the support column 317, the mounting seat 304, and the strain sensor 305 to move up and down, so as to facilitate the adjustment of the upper and lower positions of the strain sensor 305, so that the strain sensor 305 is close to the bridge and tunnel; the electric push rod 1 308 drives the output rod 1 309, the mounting plate 1 310, and the remote infrared camera 302 to move forward and backward, and the electric push rod 2 311 drives the output rod 2 312, the mounting plate 2 313, and the remote infrared camera 302 to move up and down, so as to facilitate the adjustment of the position of the remote infrared camera 302;
[0051] A battery is installed inside the electric control box 203. The solar panel 202 converts solar energy into electrical energy and stores the electrical energy in the battery. The battery can provide electrical energy to the electrical components in the device in time when the main power supply is cut off.
[0052] A plurality of strain sensors 305 can be installed at the locations where the bridge or tunnel needs to be inspected. The strain sensors 305 can be used to detect the deformation of the bridge or tunnel structure, including the strain changes when subjected to external loads. This helps to understand the deformation degree of the bridge or tunnel during use. By measuring the strain, the size and distribution of the load on the bridge or tunnel can be inferred, which is crucial for evaluating the bearing capacity and safety of the bridge. The remote infrared camera 302 can monitor the temperature changes of the bridge or tunnel structure, help discover the heat distribution of the structure, and thus identify potential problems. In the early stage, the movable probe is placed 4041 is lowered into the embedded measuring tube 403, and the data of each section of the embedded measuring tube 403 is recorded. When the foundation tilts, the movable probe 4041 is taken out using a cable 4042 to obtain the specific parameters of the tilt and displacement, and displayed on a waterproof reading instrument 4043. This device can be used to perform timely and multi-dimensional detection of bridge and tunnel deformation, thereby improving the safety of bridge and tunnel use. The application of this device in smart cities can help urban management departments achieve more intelligent and efficient bridge and tunnel management, improve the safety and sustainability of urban transportation facilities, and provide protection for urban development and residents' quality of life.
[0053] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A machine vision detection device for bridge and tunnel deformation, characterized in that: It comprises a mounting frame (1), the upper end of the mounting frame (1) is connected to a power supply component (2), the upper end of the mounting frame (1) is connected to a strain detection component (3), the lower end of the mounting frame (1) is connected to a foundation detection component (4), and the upper end of the mounting frame (1) is connected to a fixing component (5); The foundation detection assembly (4) comprises a plurality of support rods (401), the lower ends of the plurality of support rods (401) are fixedly connected to embedded rods (402), the outer ends of the embedded rods (402) are fixedly connected to embedded measuring tubes (403), and a digital inclinometer (404) is placed inside the embedded measuring tube (403); The strain detection assembly (3) comprises a top plate (301) and a plurality of remote infrared cameras (302); a groove (303) is provided at the upper end of the top plate (301); a mounting seat (304) is movably connected to the upper end of the top plate (301); a plurality of strain sensors (305) are fixedly connected to the upper end of the mounting seat (304); and the plurality of remote infrared cameras (302) are located on the front side of the top plate (301); The power supply assembly (2) comprises a pair of connecting rods (201), wherein the pair of connecting rods (201) are fixedly connected to the front and rear ends of the mounting frame (1), and the ends of the pair of connecting rods (201) away from the mounting frame (1) are fixedly connected to solar panels (202), and the upper end of the mounting frame (1) is fixedly connected to an electric control box (203).
2. The machine vision detection device for bridge and tunnel deformation according to claim 1 is characterized in that: The digital inclinometer (404) comprises a movable probe (4041), wherein the movable probe (4041) is movably placed inside a pre-buried measuring tube (403), the upper end of the movable probe (4041) is fixedly connected to a cable 1 (4042), the end of the cable 1 (4042) away from the movable probe (4041) is fixedly connected to a waterproof reading instrument 1 (4043), the outside of the pre-buried rod (402) is fixedly connected to a fixing sleeve (4044), and the fixing sleeve (4044) is fixedly connected to the waterproof reading instrument 1 (4043).
3. The machine vision detection device for bridge and tunnel deformation according to claim 1 is characterized in that: The strain detection component (3) also includes a second cable (306), wherein the second cable (306) is fixedly connected to the lower end of the strain sensor (305), the second cable (306) passes through the mounting seat (304) and is movably connected to the mounting seat (304), and the end of the second cable (306) away from the strain sensor (305) is fixedly connected to a second waterproof reading instrument (307), and the second waterproof reading instrument (307) is fixedly connected to the fixing sleeve (4044).
4. The machine vision detection device for bridge and tunnel deformation according to claim 1 is characterized in that: The strain detection assembly (3) also includes an electric push rod (308), the front end of the output end of the electric push rod (308) is fixedly connected to an output rod (309), and the front end of the output rod (309) is fixedly connected to a mounting plate (310).
5. The machine vision detection device for bridge and tunnel deformation according to claim 4 is characterized in that: The upper end of the mounting plate 1 (310) is fixedly connected to the electric push rod 2 (311), the upper end of the output end of the electric push rod 2 (311) is fixedly connected to the output rod 2 (312), the upper end of the output rod 2 (312) is fixedly connected to the mounting plate 2 (313), and the remote infrared camera (302) is fixedly connected to the rear end of the mounting plate 2 (313).
6. The machine vision detection device for bridge and tunnel deformation according to claim 1 is characterized in that: The strain detection assembly (3) further comprises a hand wheel (314), wherein the hand wheel (314) is rotatably connected to the lower end of the mounting frame (1), and the upper end of the hand wheel (314) is fixedly connected to a screw rod (315), wherein the screw rod (315) passes through the mounting frame (1) and is rotatably connected to the mounting frame (1), and a slider (316) is movably connected to the outside of the screw rod (315), and the slider (316) is adapted to the screw rod (315).
7. The machine vision detection device for bridge and tunnel deformation according to claim 6 is characterized in that: The left end of the slider (316) is fixedly connected to a support column (317), and the support column (317) is fixedly connected to the bottom of the mounting seat (304). The upper end of the mounting frame (1) is fixedly connected to a guide rod (318), and the outer portion of the guide rod (318) is slidably connected to a guide block (319), and the guide block (319) is fixedly connected to the slider (316). The mounting seat (304) passes through the groove (303) and is slidably connected to the groove (303), and the support column (317) passes through the groove (303) and is slidably connected to the groove (303).
8. The machine vision detection device for bridge and tunnel deformation according to claim 1 is characterized in that: The fixing assembly (5) comprises a pair of fixing plates (501) and expansion bolts (502), wherein the pair of fixing plates (501) are fixedly connected to the upper end of the top plate (301), and the external threads of the pair of fixing plates (501) are connected to the expansion bolts (502).
Citation Information
Patent Citations
Road, bridge and tunnel safety comprehensive detection, monitoring and early warning device
CN216695370U