Landslide displacement monitoring and early warning system

Abstract

The utility model provides a landslide displacement monitoring and early warning system. The landslide displacement monitoring and early warning system comprises a supporting column, a laser emitting assembly, a laser reflecting structure and a matched controller. The supporting column can be arranged in front of a mountain slope to be monitored. Mounting racks are arranged at the top ends of the supporting columns. The laser emitting assembly is arranged on the mounting frame and provided with a laser emitting end capable of rotating in a pitching mode, and the laser reflecting assembly can emit detection signals to the mountain slope. A plurality of laser reflecting structures are arranged, and each laser reflecting plate can be uniformly distributed on a mountain slope to be monitored. According to the landslide displacement monitoring and early warning system provided by the utility model, the laser transmitting end of the laser transmitting assembly can rotate in a pitching manner, so that the coverage area can be enlarged, the system is further suitable for a large-range to-be-monitored area, all laser reflecting structures can be covered, and meanwhile, the structure can facilitate the installation of the supporting column, so that the installation cost is reduced. A proper installation area does not need to be selected, monitoring precision is guaranteed, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of landslide monitoring, and particularly relates to a landslide displacement monitoring and early warning system. Background Technique

[0002] A landslide refers to the phenomenon that surface rock masses or soil masses slide downward along a certain weak surface or weak zone as a whole or dispersedly under the action of gravity. A landslide is part of the dynamic process on the earth's surface, and it can be triggered by various factors, including geological structures, climate changes, human activities, etc. Landslides are common in mountainous areas. The slopes of mountains are usually affected by weather, geological changes, human activities, etc. and displace to form landslides. Therefore, the monitoring and early warning of landslides are also important links in preventing serious losses caused by landslides.

[0003] In the prior art, for the monitoring and early warning work of landslides, a monitoring system based on lidar is usually adopted. For example, the application number is: CN202211363213.1; the patent name is: A crack deformation measurement system and method for landslide monitoring. This monitoring system places the lidar and the positioning reflector on both sides of the crack respectively. However, for a mountain, the crack position cannot be determined in advance, that is, the position of the lidar cannot be determined, and it is also inconvenient to install the lidar on the slope of the mountain. In addition, the laser signal emitted by the lidar covers each reflector in a conical shape (see the dotted area in the attached Figure 1 drawing of the specification). In theory, the farther the lidar is from the mountain to be monitored, the larger the covered area. However, a longer distance will inevitably affect the monitoring accuracy, and a shorter distance cannot cover the entire area to be monitored on the mountain. At the same time, the installation area of the lidar also needs to be selected according to the area covered by the reflector, with poor adaptability. Content of the Utility Model

[0004] An embodiment of the utility model provides a landslide displacement monitoring and early warning system, aiming to solve the problem of poor practicability in the existing landslide displacement monitoring and early warning system due to the inability to adaptively install the lidar.

[0005] To achieve the above object, the technical solution adopted by the utility model is: to provide a landslide displacement monitoring and early warning system, including:

[0006] Support columns, which are used to be arranged in front of the slope of the mountain to be monitored; an installation frame is provided at the top of the support columns;

[0007] A laser emission component, which is arranged on the installation frame and has a laser emission end that can rotate in a pitching manner. The laser emission component is used to emit detection signals to the slope of the mountain;

[0008] A plurality of laser reflection structures are provided, and each of the laser reflection structures is used to be evenly arranged on the slope of the mountain to be monitored;

[0009] The supporting controller.

[0010] In a possible implementation, the laser emission assembly includes:

[0011] Two rotating shafts, the axes of the two rotating shafts are both arranged along the horizontal direction, and the two rotating shafts are fixedly arranged on the mounting bracket at intervals;

[0012] A rotating cylinder, having a cylinder cavity, and both ends of the rotating cylinder are provided with rotating holes for inserting the two rotating shafts respectively and rotatably connecting with the rotating shafts; a long strip opening communicating with the cylinder cavity is provided on the side wall of the rotating cylinder;

[0013] A lidar, arranged in the cylinder cavity, the emission end of the lidar extends out of the long strip opening, and the emission end of the lidar is the laser emission end;

[0014] A first driving structure, arranged in the cylinder cavity and connected to one of the rotating shafts, for driving the rotating cylinder to rotate.

[0015] In a possible implementation, the first driving structure includes:

[0016] A first gear, coaxially arranged on the rotating shaft;

[0017] A first servo motor, fixedly arranged in the cylinder cavity, a second gear is provided on the output end of the first servo motor, and the second gear meshes with the first gear.

[0018] In a possible implementation, the laser emission assembly further includes:

[0019] A fixing bracket, fixedly arranged in the cylinder cavity;

[0020] A rotating seat, rotatably arranged on the fixing bracket, and the rotation axis is perpendicular to the rotation axis of the rotating cylinder, and the rotating seat is used for fixedly connecting the lidar;

[0021] A second driving structure, arranged on the fixing bracket and connected to the transfer shaft of the rotating seat, for driving the rotating seat to rotate.

[0022] In a possible implementation, the second driving structure includes:

[0023] A third gear, coaxially connected to the transfer shaft of the rotating seat;

[0024] A second servo motor, fixedly arranged on the fixing bracket, a fourth gear is provided on the power output end of the second servo motor, and the fourth gear meshes with the third gear.

[0025] In a possible implementation manner, the laser emission assembly further includes a transparent glass cover, the transparent glass cover is arranged at the long strip opening, and the transparent glass cover has an arc surface portion coaxially arranged with the rotating base.

[0026] In a possible implementation manner, each of the laser reflection structures includes:

[0027] A plug rod for being inserted on the slope surface of the mountain body;

[0028] A reflector fixedly arranged at the top end of the plug rod, and the reflector has an arc-shaped reflection surface.

[0029] In this implementation manner, the laser emission end of the laser emission assembly can rotate in a pitching manner, which can ensure an increased coverage area, and thus adapt to a large range of areas to be monitored, and can cover all the laser reflection structures. At the same time, this structure can facilitate the installation of the support column, without the need to select a suitable installation area, ensuring the monitoring accuracy and strong practicability. Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram during the use of the landslide displacement monitoring and early warning system provided by the embodiment of the present invention;

[0031] Figure 2 It is a schematic cross-sectional structure diagram of the laser emission assembly of the landslide displacement monitoring and early warning system provided by the embodiment of the present invention;

[0032] Figure 3 For Figure 2 It is a schematic cross-sectional structure diagram in the A-A direction of the landslide displacement monitoring and early warning system provided by the embodiment;

[0033] Description of the Reference Numerals:

[0034] 10. Support column; 11. Mounting frame;

[0035] 20. Laser emission assembly; 21. Rotating shaft; 22. Rotating cylinder; 221. Cylinder cavity; 23. Lidar; 24. First driving structure; 241. First gear; 242. Second gear; 243. First servo motor; 25. Fixed frame; 26. Rotating base; 27. Second driving structure; 271. Third gear; 272. Fourth gear; 273. Second servo motor; 28. Transparent glass cover;

[0036] 30. Laser reflection structure; 31. Plug rod; 32. Reflector;

[0037] 40. Mountain body. Detailed Embodiments

[0038] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0039] Please refer to Figure 1 , and now the landslide displacement monitoring and early warning system provided by the present utility model will be described. The landslide displacement monitoring and early warning system includes a support column 10, a laser emission component 20, a laser reflection structure 30 and a supporting controller. The support column 10 can be arranged in front of the slope surface of the mountain body 40 to be monitored. An installation frame 11 is provided at the top of the support column 10. The laser emission component 20 is arranged on the installation frame 11 and has a laser emission end that can rotate in a pitching manner. The laser emission component 20 can emit detection signals to the slope surface of the mountain body 40. A plurality of laser reflection structures 30 are provided, and each laser reflection structure 30 can be evenly arranged on the slope surface of the mountain body 40 to be monitored.

[0040] Compared with the prior art, the landslide displacement monitoring and early warning system provided in this embodiment can monitor the laser reflection structures 30 arranged on the slope surface of the mountain body 40 through the laser emission component 20 arranged on the support column 10 and the supporting controller. By judging the position changes of the laser reflection structures 30, the monitoring and early warning of landslides can be realized. The laser emission end of the laser emission component 20 can rotate in a pitching manner, which can ensure an increased coverage area, and thus adapt to a large range of areas to be monitored, and can cover all the laser reflection structures 30. At the same time, this structure can facilitate the installation of the support column 10, without the need to select a suitable installation area, ensuring the monitoring accuracy and strong practicability.

[0041] In some embodiments, the above-mentioned laser emission component 20 can adopt the structure as Figure 2 shown. Refer to Figure 2 , the laser emission component 20 includes a rotating shaft 21, a rotating cylinder 22, a lidar 23 and a first driving structure 24. There are two rotating shafts 21, and the axes of the two rotating shafts 21 are both arranged along the horizontal direction, and the two rotating shafts 21 are fixedly arranged on the installation frame 11 at intervals. The rotating cylinder 22 has a cylinder cavity 221, and the two ends of the rotating cylinder 22 are respectively provided with rotating holes for inserting the two rotating shafts 21 and rotatably connecting with the rotating shafts 21. A long strip opening communicating with the cylinder cavity 221 is provided on the side wall of the rotating cylinder 22. The lidar 23 is arranged in the cylinder cavity 221, and the emission end of the lidar 23 extends out of the long strip opening, and the emission end of the lidar 23 is the laser emission end. The first driving structure 24 is arranged in the cylinder cavity 221 and is connected to one of the rotating shafts 21 and can drive the rotating cylinder 22 to rotate.

[0042] Both the first driving structure 24 and the lidar 23 are arranged in the cylinder cavity 221 of the rotating cylinder 22, which can ensure the protection of both and has a good waterproof effect. The rotating cylinder 22 is connected to the mounting frame 11 through two fixed rotating shafts 21, which can ensure the stability of its rotation and thus ensure the monitoring effect. At the same time, the rotating cylinder 22 has a cylindrical outer shape structure. No matter how it pitches and rotates, the distance between the laser emitting end and the axis of the rotating shaft 21 can be ensured to be the same, thus ensuring the monitoring accuracy and strong practicability.

[0043] It should be noted that the lidar 23 can adopt the existing technology and will not be elaborated here.

[0044] In this embodiment, a battery can be arranged in the cylinder cavity 221, and at the same time, a solar panel can be arranged on the outer wall surface of the rotating cylinder 22.

[0045] In some embodiments, the above-mentioned first driving structure 24 can adopt the structure as Figure 2 shown. Refer to Figure 2 , the first driving structure 24 includes a first gear 241, a second gear 242 and a first servo motor 243. The first gear 241 is coaxially arranged on the rotating shaft 21. The first servo motor 243 is fixedly arranged in the cylinder cavity 221. A second gear 242 is arranged on the output end of the first servo motor 243, and the second gear 242 meshes with the first gear 241.

[0046] The first servo motor 243 is convenient to control, and at the same time, the power transmission can be ensured through the first gear 241 and the second gear 242, thus ensuring the stable rotation of the rotating cylinder 22 and ensuring the precise rotation of the rotating cylinder 22.

[0047] A connection seat for installing the first servo motor 243 can be arranged in the cylinder cavity 221.

[0048] In this embodiment, the diameter of the second gear 242 is smaller than that of the first gear 241, which is convenient for the deceleration effect.

[0049] In some embodiments, the above-mentioned laser emitting assembly 20 can adopt the structure as Figure 3 shown. Refer to Figure 3 , the laser emitting assembly 20 further includes a fixing frame 25, a rotating seat 26 and a second driving structure 27. The fixing frame 25 is fixedly arranged in the cylinder cavity 221. The rotating seat 26 is rotatably arranged on the fixing frame 25, and the rotation axis is perpendicular to the rotation axis of the rotating cylinder 22. The rotating seat 26 can be fixedly connected to the lidar 23. The second driving structure 27 is arranged on the fixing frame 25 and is connected to the connecting shaft of the rotating seat 26, and can drive the rotating seat 26 to rotate.

[0050] The provided fixing bracket 25 can ensure the rotational connection of the rotating base 26. At the same time, the second driving structure 27 can drive the rotating base 26 to rotate, thereby driving the lidar 23 to rotate. This structure can ensure that the lidar 23 has a large coverage area in the horizontal direction, further adapting to large-scale monitoring work, and has strong practicability.

[0051] In some embodiments, the above-mentioned second driving structure 27 can adopt the structure as Figure 2 shown. Refer to Figure 2 , the second driving structure 27 includes a third gear 271, a fourth gear 272, and a second servo motor 273. The third gear 271 is coaxially connected to the transfer shaft of the rotating base 26. The second servo motor 273 is fixedly arranged on the fixing bracket 25. A fourth gear 272 is provided at the power output end of the second servo motor 273, and the fourth gear 272 meshes with the third gear 271.

[0052] The second servo motor 273 is convenient to control. At the same time, through the third gear 271 and the fourth gear 272, the power transmission can be ensured, thereby ensuring the stable rotation of the rotating base 26 and ensuring the precise rotation of the rotating base 26. It should be noted that the rotation angle of the rotating base 26 is limited to the outside of the long strip opening of the laser emission end.

[0053] A connection seat for installing the second servo motor 273 can be provided in the cylinder cavity 221.

[0054] In this embodiment, the diameter of the fourth gear 272 is smaller than that of the third gear 271, which is convenient for the deceleration effect.

[0055] In some embodiments, the above-mentioned laser emission assembly 20 can adopt the structure as Figures 2 to 3 shown. Refer to Figures 2 to 3 , the laser emission assembly 20 further includes a transparent glass cover 28. The transparent glass cover 28 is arranged at the long strip opening. The transparent glass cover 28 has an arc surface portion coaxially arranged with the rotating base 26. The transparent glass cover 28 can ensure the sealing of the cylinder cavity 221, which is convenient for waterproofing and dustproofing. At the same time, the arc portion can ensure adaptation to the lidar 23, avoid refraction, and ensure the monitoring effect.

[0056] In some embodiments, the above-mentioned laser reflection structure 30 can adopt the structure as Figure 1 shown. Refer to Figure 1 , each laser reflection structure 30 includes an insertion rod 31 and a reflection member 32. The insertion rod 31 can be inserted into the slope surface of the mountain body 40. The reflection member 32 is fixedly arranged at the top of the insertion rod 31, and the reflection member 32 has an arc-shaped reflection surface.

[0057] The insertion rod 31 can ensure the insertion connection with the mountain body 40, and the arc-shaped reflecting surface provided on the reflecting member 32 can ensure the reflection of the laser, while adapting to the position where the lidar 23 is located, enhancing the emission effect and facilitating the monitoring work.

[0058] It should be noted that the reflecting member 32 can be a cylindrical outer shape structure, and the outer wall surface of the reflecting member 32 is coated with a reflecting coating.

[0059] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. Landslide displacement monitoring and early warning system, characterized in that, Including: Support columns, which are used to be arranged in front of the mountain slope to be monitored; an installation frame is provided at the top of the support columns; A laser emission component, which is arranged on the installation frame and has a laser emission end that can be pitched and rotated. The laser emission component is used to emit detection signals to the mountain slope; A plurality of laser reflection structures, and each of the laser reflection structures is used to be evenly arranged on the mountain slope to be monitored; A supporting controller.

2. The landslide displacement monitoring and early warning system according to claim 1, characterized in that, The laser emission component includes: Two rotating shafts, the axes of the two rotating shafts are both arranged along the horizontal direction, and the two rotating shafts are fixedly arranged on the installation frame at intervals; A rotating cylinder, which has a cylinder cavity, and the two ends of the rotating cylinder are respectively provided with rotating holes for inserting the two rotating shafts and rotatably connecting with the rotating shafts; a long strip opening communicating with the cylinder cavity is arranged on the side wall of the rotating cylinder; A lidar, which is arranged in the cylinder cavity, and the emission end of the lidar extends out of the long strip opening, and the emission end of the lidar is the laser emission end; A first driving structure, which is arranged in the cylinder cavity and is connected to one of the rotating shafts for driving the rotating cylinder to rotate.

3. The landslide displacement monitoring and early warning system according to claim 2, characterized in that, The first driving structure includes: A first gear, which is coaxially arranged on the rotating shaft; A first servo motor, which is fixedly arranged in the cylinder cavity, and a second gear is arranged on the output end of the first servo motor, and the second gear meshes with the first gear.

4. The landslide displacement monitoring and early warning system according to claim 2, wherein, The laser emission component further includes: A fixing frame, which is fixedly arranged in the cylinder cavity; A rotating seat, which is rotatably arranged on the fixing frame, and the rotation axis is perpendicular to the rotation axis of the rotating cylinder. The rotating seat is used for fixedly connecting the lidar; A second driving structure, which is arranged on the fixing frame and is connected to the connecting shaft of the rotating seat for driving the rotating seat to rotate.

5. The landslide displacement monitoring and early warning system according to claim 4, wherein, The second driving structure includes: A third gear, which is coaxially connected to the connecting shaft of the rotating seat; A second servo motor, which is fixedly arranged on the fixing frame, and a fourth gear is arranged on the power output end of the second servo motor, and the fourth gear meshes with the third gear.

6. The landslide displacement monitoring and early warning system according to claim 4, characterized in that, The laser emission component further includes a transparent glass cover, which is arranged at the long strip opening, and the transparent glass cover has an arc surface part coaxially arranged with the rotating seat.

7. The landslide displacement monitoring and early warning system according to any one of claims 1-6, characterized in that, Each of the laser reflection structures includes: A plug rod, which is used to be inserted into the mountain slope; A reflecting member, which is fixedly arranged at the top of the plug rod, and the reflecting member has an arc-shaped reflecting surface.

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