Device for monitoring displacement of foundation pit through photography

By designing a rope system and lifting plate structure driven by servo motor, flexible adjustment of camera height and angle is achieved, and the problem of inability to adjust the height and repair and disassembly of camera devices in the prior art is solved, and the accuracy and flexibility of foundation pit displacement monitoring is improved.

CN222926163UActive Publication Date: 2025-05-30TIANJIN HOUSING QUALITY & SAFETY APPRAISAL & TESTING CENT CO LTD
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Patent Information

Application Number
CN202421839623.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-05-30
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

When existing camera devices are installed at high places, they cannot adjust the height according to actual needs, and repair and disassembly are troublesome, making it difficult to meet the precise monitoring needs of foundation pit displacement.

Method used

A photography monitoring foundation pit displacement device is designed, using a rope system and lifting plate structure driven by servo motors to realize height adjustment and angle adjustment of the monitoring camera, and simplify the installation and maintenance process.

Benefits of technology

Through this device, the height and angle of the camera can be easily adjusted, the accuracy and flexibility of foundation pit displacement monitoring can be improved, and the maintenance and installation process can be simplified.

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Abstract

The utility model relates to the technical field of foundation pit monitoring, and discloses a shooting monitoring foundation pit displacement device which comprises a foundation and a monitoring camera, a pit opening is formed in the right side of the top of the foundation, mounting plates are fixedly connected to the periphery of the top of the pit opening, infrared targets are fixedly connected to the tops of the mounting plates, and the infrared targets are fixedly connected to the top of the monitoring camera. A mounting seat is fixedly connected to the left side of the top of the foundation, supporting frames are fixedly connected to the top of the mounting seat, fixing plates are fixedly connected to the left sides of the supporting frames, and a second servo motor is fixedly connected to the front side of the fixing plate on the front side. According to the utility model, the infrared target is matched with the monitoring camera to monitor the displacement degree of the pithead in real time, then the servo motor II is started to drive the rope to enable the lifting plate to freely adjust up and down, and the servo motor I is started to drive the push rod to jack the sliding plate upwards, so that the sliding plate drives one end of the monitoring camera to lift; and angle adjustment of monitoring camera shooting is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit monitoring, in particular to a displacement monitoring device for foundation pit by photography. Background Technique

[0002] With the continuous advancement of the urbanization process, the number of deep foundation pit projects has been continuously increasing. Its main goal is to optimize the use of land resources and strengthen the development of underground space. In this context, accurate foundation pit monitoring is crucial. This is not only a key strategy for preventing and reducing the risk of foundation pit accidents but also a necessary measure to ensure the safe and stable operation of the project.

[0003] With the development of foundation pit monitoring towards automation and intelligence, non-contact measurement methods such as photogrammetry are also applied in foundation pit monitoring. To ensure continuous monitoring of displacement by photogrammetry at night, infrared targets are usually used as advanced monitoring aids. The laser rangefinder can also be replaced by the camera in photogrammetry technology. By cooperating the camera with the infrared target set on the foundation pit, non-contact automatic monitoring of foundation pit displacement is achieved.

[0004] During installation, the camera device needs to be installed on the support rod in advance, and then the camera is placed at a high position through the support rod to facilitate the monitoring of the infrared target within the field of view. However, the vertical height of the camera at a high position cannot be adjusted according to actual needs, and it is also quite troublesome to repair and disassemble. Therefore, a displacement monitoring device for foundation pit by photography is proposed to solve the above problems. Content of the Utility Model

[0005] To make up for the above deficiencies, the utility model provides a displacement monitoring device for foundation pit by photography, aiming to improve the problems that the camera in the prior art cannot be adjusted according to actual needs and is quite troublesome to repair and disassemble.

[0006] To achieve the above object, the utility model adopts the following technical solution: A photographic monitoring device for foundation pit displacement, comprising a foundation and a monitoring camera. A pit opening is provided on the right side of the top of the foundation. Installation plates are fixedly connected to the peripheries of the top of the pit opening. Infrared targets are fixedly connected to the tops of the plurality of installation plates. An installation seat is fixedly connected to the left side of the top of the foundation. A support frame is fixedly connected to the top of the installation seat. Fixed plates are fixedly connected to the left sides of the support frame. A servo motor II is fixedly connected to the front side of the front fixed plate. The output end of the servo motor II penetrates through the front side of the fixed plate and is fixedly connected to a wire winding roller. A rope is fixedly connected to the outer wall of the wire winding roller. An auxiliary wheel is rotatably connected to the top of the support frame. Sliding grooves are provided on the front and rear sides of the support frame. Lifting plates are slidably connected to the interiors of the two sliding grooves. A support plate is fixedly connected to the right side of the lifting plate. A connecting block is fixedly connected to the left side of the top of the support plate. The other end of the rope is fixedly connected to the top of the connecting block. An adjusting mechanism is provided on the top of the support plate, and the adjusting mechanism is used to adjust the angle of the monitoring camera.

[0007] Through the above technical solution: By fixing a plurality of infrared targets to the periphery of the pit opening in cooperation with the installation plates, and then installing the monitoring camera on the support plate, starting the servo motor II to drive the rope to be retracted, so that the lifting plate is adjusted up and down through the sliding groove, realizing more convenient installation and adjustment processing.

[0008] As a further description of the above technical solution:

[0009] The adjusting mechanism includes a servo motor I. The front side of the servo motor I is fixedly connected to the rear side of the support plate. The output end of the servo motor I penetrates through the rear side of the support plate and is fixedly connected to a turntable. A connecting column is fixedly connected to the front side of the turntable. A push rod is rotatably connected to the outer wall of the connecting column. The rear side of the push rod is rotatably connected to a sliding plate. A sliding groove is provided on the top of the support plate. A limiting rod is fixedly connected to the interior of the sliding groove. The inner side of the sliding plate is slidably connected to the outer wall of the limiting rod. A fixing member is slidably connected to the top of the sliding plate. The right side of the fixing member is fixedly connected to the left side of the monitoring camera. An adjusting frame is fixedly connected to the top of the support plate. The front and rear sides of the monitoring camera are rotatably connected to the interior of the adjusting frame.

[0010] Through the above technical solution: The monitoring camera is installed and fixed by the adjusting frame. Starting the servo motor I drives the push rod on the turntable to rotate. At the same time, the push rod pushes the sliding plate to slide up and down, and then drives the fixing member to adjust the angle of the monitoring camera up and down, improving the accuracy.

[0011] As a further description of the above technical solution:

[0012] The adjusting mechanism further includes a light-shielding plate, and the bottom of the light-shielding plate is fixedly connected to the top of the monitoring camera.

[0013] Through the above technical solution: A light-shielding plate is installed on the top of the monitoring camera. The external light is blocked by the light-shielding plate, and at the same time, it can also play a role in protecting the front end of the monitoring camera.

[0014] As a further description of the above technical solution:

[0015] An installation groove is formed on the left side of the lifting plate, and a pulley is rotatably connected to the inside of the installation groove.

[0016] Through the above technical solution: A pulley is installed on the left side of the lifting plate, and the moving stability of the lifting plate can be improved through the pulley.

[0017] As a further description of the above technical solution:

[0018] Reinforcing plates are fixedly connected to the front and rear sides of the support frame, and bolts are threadedly connected to the tops of the two reinforcing plates.

[0019] Through the above technical solution: The mounting seat and the support frame are installed and fixed through the reinforcing plates, and the bolts are used for reinforcement treatment.

[0020] As a further description of the above technical solution:

[0021] A triangular plate is fixedly connected to the left side of the support frame, and the bottom of the triangular plate is fixedly connected to the top of the mounting seat.

[0022] Through the above technical solution: A triangular plate is fixed between the support frame and the mounting seat, and the firmness and supporting strength of the support frame can be improved through the triangular plate.

[0023] As a further description of the above technical solution:

[0024] A control box is fixedly connected to the left side of the top of the mounting seat, and a level is fixedly connected to the front side of the control box.

[0025] Through the above technical solution: The shooting information of the monitoring camera is counted and electrically connected through the control box. At the same time, a level is installed on the front side of the control box, and the entire device can be ensured to be installed on a horizontal line through the level.

[0026] As a further description of the above technical solution:

[0027] A switch box is fixedly connected to the front side of the control box, and a dust-proof cover is rotatably connected to the front side of the switch box.

[0028] Through the above technical solutions: The operation devices on the entire device can be conveniently and simply operated and controlled through the switch box, and at the same time, the dust cover can prevent external dust from falling into the switch box.

[0029] The utility model has the following beneficial effects:

[0030] 1. In the utility model, the displacement degree of the pit mouth is monitored in real time through the infrared target and the monitoring camera. The monitoring camera is installed on the top of the support plate, and then the servo motor II is started to drive the wire winding roller inside the fixing plate to rotate, so that the rope on the wire winding roller drives the connecting block at the other end to contract, and the lifting plate slides up and down in a limited way, which is convenient for installing the monitoring camera and freely adjusting the height of the monitoring camera at the same time, improving the accuracy during monitoring.

[0031] 2. In the utility model, the monitoring camera is installed through the adjusting frame. The servo motor I is started to drive the turntable to rotate, and at the same time, the push rod jacks up the sliding plate upwards, so that the sliding plate slides up and down inside the sliding groove, thereby driving one end of the fixing piece and the monitoring camera to lift, realizing the angle adjustment of the monitoring camera. Description of the Drawings

[0032] Figure 1 is a three-dimensional view of a device for photographically monitoring the displacement of a foundation pit proposed by the utility model;

[0033] Figure 2 is a partial structural split view of a device for photographically monitoring the displacement of a foundation pit proposed by the utility model;

[0034] Figure 3 is a partial structural schematic view of a device for photographically monitoring the displacement of a foundation pit proposed by the utility model.

[0035] Legend Explanation:

[0036] 1. Foundation; 2. Adjusting mechanism; 201. Servo motor I; 202. Turntable; 203. Connecting column; 204. Push rod; 205. Sliding groove; 206. Limiting rod; 207. Sliding plate; 208. Fixing piece; 209. Light-shielding plate; 210. Adjusting frame; 3. Pit mouth; 4. Installation plate; 5. Infrared target; 6. Installation seat; 7. Support frame; 8. Fixing plate; 9. Servo motor II; 10. Wire winding roller; 11. Rope; 12. Auxiliary wheel; 13. Sliding groove; 14. Lifting plate; 15. Installation groove; 16. Pulley; 17. Support plate; 18. Connecting block; 19. Monitoring camera; 20. Reinforcing plate; 21. Bolt; 22. Triangular plate; 23. Control box; 24. Level; 25. Switch box; 26. Dust cover. Detailed Implementation Modes

[0037] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0038] Referring to Figure 1 , Figure 2 and Figure 3 , an embodiment provided by the present utility model: A photographic monitoring device for foundation pit displacement includes a foundation 1 and a monitoring camera 19. A pit opening 3 is provided on the right side of the top of the foundation 1. Installation plates 4 are fixedly connected to the peripheries of the top of the pit opening 3. Infrared targets 5 are fixedly connected to the tops of multiple installation plates 4. An installation base 6 is fixedly connected to the left side of the top of the foundation 1. A support frame 7 is fixedly connected to the top of the installation base 6. Fixing plates 8 are fixedly connected to the left sides of the support frame 7. A servo motor II 9 is fixedly connected to the front side of the front fixing plate 8. The output end of the servo motor II 9 penetrates through the front side of the fixing plate 8 and is fixedly connected to a wire winding roller 10. A rope 11 is fixedly connected to the outer wall of the wire winding roller 10. An auxiliary wheel 12 is rotatably connected to the top of the support frame 7. Sliding grooves 13 are provided on the front and rear sides of the support frame 7. Lifting plates 14 are slidably connected to the interiors of the two sliding grooves 13. A support plate 17 is fixedly connected to the right side of the lifting plate 14. A connecting block 18 is fixedly connected to the left side of the top of the support plate 17. The other end of the rope 11 is fixedly connected to the top of the connecting block 18. An adjusting mechanism 2 is provided on the top of the support plate 17. The adjusting mechanism 2 is used to adjust the angle of the monitoring camera 19. An installation groove 15 is provided on the left side of the lifting plate 14. A pulley 16 is rotatably connected to the inner side of the installation groove 15;

[0039] Specifically, the periphery of the pit mouth 3 is fixed by the mounting plate 4, and a plurality of infrared targets 5 are installed on the top of the mounting plate 4; a mounting seat 6 is fixedly poured on the left side of the top of the foundation 1, and the support frame 7 is fixedly supported by the mounting seat 6. A fixing plate 8 is fixed on the left side of the support frame 7, and a wire take-up roller 10 is installed between the fixing plates 8. The wire take-up roller 10 is fixedly connected by a servo motor two 9, and the model of the servo motor two 9 is 28BYJ-48; a rope 11 is fixed on the outer wall of the wire take-up roller 10, and at the same time, an auxiliary wheel 12 is installed on the top of the support frame 7. The other end of the rope 11 passes through the outer wall of the auxiliary wheel 12 and is fixedly connected to the connecting block 18; at the same time, sliding grooves 13 are opened on the front and rear sides of the support frame 7, and the lifting plate 14 is installed and connected through the sliding grooves 13, so that the lifting plate 14 can be limited and slide up and down; a support plate 17 is fixedly installed on the right side of the lifting plate 14, and the monitoring camera 19 is installed and processed through the support plate 17. In this way, not only can the installation and processing of the monitoring camera 19 be facilitated, but also the height of the monitoring camera 19 can be freely adjusted to improve the accuracy during monitoring.

[0040] Refer to Figure 1 , Figure 2 and Figure 3 , the adjusting mechanism 2 includes a servo motor one 201. The front side of the servo motor one 201 is fixedly connected to the rear side of the support plate 17. The output end of the servo motor one 201 penetrates the rear side of the support plate 17 and is fixedly connected to a turntable 202. A connecting column 203 is fixedly connected to the front side of the turntable 202. A push rod 204 is rotatably connected to the outer wall of the connecting column 203. The rear side of the push rod 204 is rotatably connected to a sliding plate 207. A sliding groove 205 is opened on the top of the support plate 17. A limiting rod 206 is fixedly connected to the inside of the sliding groove 205. The inner side of the sliding plate 207 is slidably connected to the outer wall of the limiting rod 206. A fixing member 208 is slidably connected to the top of the sliding plate 207. The right side of the fixing member 208 is fixedly connected to the left side of the monitoring camera 19. A regulating frame 210 is fixedly connected to the top of the support plate 17. The front and rear sides of the monitoring camera 19 are rotatably connected to the inside of the regulating frame 210. The adjusting mechanism 2 further includes a light-shielding plate 209. The bottom of the light-shielding plate 209 is fixedly connected to the top of the monitoring camera 19;

[0041] Specifically, an adjustment frame 210 is fixedly installed on the top of the support plate 14. The monitoring camera 19 is installed through the adjustment frame 210 so that the monitoring camera 19 can rotate at an angle. A first servo motor 201 is installed at the rear side of the support plate 14, and the model of the first servo motor 201 is 28BYJ-48. The output end of the first servo motor 201 is fixedly installed with a turntable 202. A connecting column 203 is fixedly installed at the front side corner of the turntable 202. One end of a push rod 204 is connected and installed through the connecting column 203. At the same time, the other end of the push rod 204 is rotatably connected to a sliding plate 207. The inner side of the sliding plate 207 is limited and slides through a limiting rod 206. At the same time, the sliding plate 207 slides up and down in the top chute 205 of the support plate 14. A fixing member 208 is slidably installed at the top end of the sliding plate 207. The right side of the fixing member 208 is connected and fixed to the left side of the monitoring camera 19. By starting the first servo motor 201 to drive the turntable 202 to rotate in a limited way, and at the same time pushing up the sliding plate 207 through the push rod 204, and the sliding plate 207 slides back and forth inside the chute 205, so as to drive one end of the fixing member 208 to lift, realizing the angle adjustment of the monitoring camera 19.

[0042] Refer to Figure 1 and Figure 2 On the front and rear sides of the support frame 7, reinforcing plates 20 are fixedly connected. Bolts 21 are threadedly connected to the tops of the two reinforcing plates 20. A triangular plate 22 is fixedly connected to the left side of the support frame 7. The bottom of the triangular plate 22 is fixedly connected to the top of the mounting seat 6. A control box 23 is fixedly connected to the top left side of the mounting seat 6. A level 24 is fixedly connected to the front side of the control box 23. A switch box 25 is fixedly connected to the front side of the control box 23. A dust cover 26 is rotatably connected to the front side of the switch box 25;

[0043] Specifically, the support frame 7 is reinforced through the cooperation of the reinforcing plate 20 and the bolt 21 to ensure the firmness and stability of the support frame 7. The data collected by the monitoring camera 19 is counted through the control box 23 for real-time reporting. The switch box 25 can conveniently control the operating equipment on the entire device for simple operation control. At the same time, a dust cover 26 is installed on the front side of the switch box 25. Through the dust cover 26, external dust can be prevented from falling into the switch box 25, thereby increasing the service life of the switch box 25.

[0044] Working principle: First, the installation plate 4 is used to fix the periphery of the pit mouth 3. At the same time, a plurality of infrared targets 5 are installed on the top of the installation plate 4. The infrared targets 5 cooperate with the monitoring camera 19 to monitor the displacement degree of the pit mouth 3 in real time. An installation seat 6 is poured on the left side of the foundation 1, and the support frame 7 is fixedly supported through the installation seat 6. The monitoring camera 19 is installed on the top of the support plate 17. Then, by starting the second servo motor 9, the wire winding roller 10 inside the fixing plate 8 is driven to rotate, so that the rope 11 on the wire winding roller 10 drives the connecting block 18 at the other end to contract, enabling the lifting plate 14 to slide up and down with limited movement. This not only facilitates the installation of the monitoring camera 19, but also can freely adjust the height of the monitoring camera 19 to improve the accuracy during monitoring. And the monitoring camera 19 is installed through the adjusting frame 210. By starting the first servo motor 201 to drive the turntable 202 to rotate, at the same time, the push rod 204 jacks up the sliding plate 207 upward, so that the sliding plate 207 slides up and down inside the chute 205, thereby driving the fixing member 208 and one end of the monitoring camera 19 to lift, realizing the angle adjustment of the monitoring camera 19.

[0045] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photographic device for monitoring foundation pit displacement, comprising a foundation (1) and a monitoring camera (19), characterized in that: A pit opening (3) is provided on the right side of the top of the foundation (1), and mounting plates (4) are fixedly connected to the top of the pit opening (3) on all sides, and infrared targets (5) are fixedly connected to the tops of a plurality of mounting plates (4). A mounting seat (6) is fixedly connected to the left side of the top of the foundation (1), and a support frame (7) is fixedly connected to the top of the mounting seat (6), and a fixing plate (8) is fixedly connected to the left side of the support frame (7). A servo motor 2 (9) is fixedly connected to the front side of the fixing plate (8), and an output end of the servo motor 2 (9) passes through the front side of the fixing plate (8) and is fixedly connected to a take-up roller (10), and the outer side of the take-up roller (10) is fixedly connected to the front side of the fixing plate (8). A rope (11) is fixedly connected to the wall, the top of the support frame (7) is rotatably connected to an auxiliary wheel (12), the front and rear sides of the support frame (7) are provided with sliding grooves (13), the interiors of the two sliding grooves (13) are slidably connected to lifting plates (14), the right side of the lifting plate (14) is fixedly connected to a support plate (17), the top left side of the support plate (17) is fixedly connected to a connecting block (18), the other end of the rope (11) is fixedly connected to the top of the connecting block (18), and the top of the support plate (17) is provided with an adjusting mechanism (2), and the adjusting mechanism (2) is used to adjust the angle of the monitoring camera (19).

2. The photographic monitoring device for foundation pit displacement according to claim 1, characterized in that: The adjustment mechanism (2) comprises a servo motor 1 (201), the front side of the servo motor 1 (201) is fixedly connected to the rear side of the support plate (17), the output end of the servo motor 1 (201) passes through the rear side of the support plate (17) and is fixedly connected to a turntable (202), the front side of the turntable (202) is fixedly connected to a connecting column (203), the outer wall of the connecting column (203) is rotatably connected to a push rod (204), the rear side of the push rod (204) is rotatably connected to a sliding plate (207), and the top of the support plate (17) is fixedly connected to a connecting column (203). A slide groove (205) is provided on the support plate (17), the interior of the slide groove (205) is fixedly connected to a limit rod (206), the inner side of the sliding plate (207) is slidably connected to the outer wall of the limit rod (206), the top of the sliding plate (207) is slidably connected to a fixing member (208), the right side of the fixing member (208) is fixedly connected to the left side of the monitoring camera (19), the top of the support plate (17) is fixedly connected to an adjustment frame (210), and the front and rear sides of the monitoring camera (19) are both rotatably connected to the inner side of the adjustment frame (210).

3. The photographic monitoring device for foundation pit displacement according to claim 2 is characterized in that: The adjustment mechanism (2) further comprises a shading plate (209), the bottom of which is fixedly connected to the top of the monitoring camera (19).

4. The photographic monitoring device for foundation pit displacement according to claim 1, characterized in that: A mounting groove (15) is provided on the left side of the lifting plate (14), and a pulley (16) is rotatably connected to the inner side of the mounting groove (15).

5. The photographic monitoring device for foundation pit displacement according to claim 1, characterized in that: The front and rear sides of the support frame (7) are both fixedly connected with reinforcement plates (20), and the tops of the two reinforcement plates (20) are both threadedly connected with bolts (21).

6. The photographic monitoring device for foundation pit displacement according to claim 1, characterized in that: A triangular plate (22) is fixedly connected to the left side of the support frame (7), and the bottom of the triangular plate (22) is fixedly connected to the top of the mounting seat (6).

7. The photographic monitoring device for foundation pit displacement according to claim 1 is characterized by: A control box (23) is fixedly connected to the left side of the top of the mounting seat (6), and a level (24) is fixedly connected to the front side of the control box (23).

8. The photographic monitoring device for foundation pit displacement according to claim 7, characterized in that: A switch box (25) is fixedly connected to the front side of the control box (23), and a dust cover (26) is rotatably connected to the front side of the switch box (25).