Device for monitoring inclination deformation of structure

Abstract

The invention discloses a device for monitoring inclination deformation of a structure, and relates to the technical field of monitoring devices. The device comprises a base, a fixing plate and a horizontal adjusting mechanism, a fixing frame is arranged on the fixing plate, a rotating frame is rotationally connected to the fixing frame, a rotating assembly for driving the rotating frame to rotate is arranged on the fixing plate, a guide rod is fixedly installed on the rotating frame, and the guide rod is sleeved with and movably connected with a mounting plate; a laser displacement sensor is fixedly mounted on the mounting plate, a lifting assembly for driving the mounting plate to move along the guide rods is arranged on the rotating frame, and a controller is fixedly mounted on the base. The position and angle of the laser displacement sensor are adjusted through the rotating assembly and the lifting assembly, so that the device can adapt to monitoring requirements of different structures and positions, and the monitoring efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the field of monitoring devices, and in particular relates to a device for monitoring structural tilt deformation. Background Art

[0002] With the rapid advancement of urbanization, the development and utilization of underground space has become increasingly in-depth. As a key link in the early stage of various underground building construction, the scale and depth of foundation pit projects are constantly increasing. During the construction and subsequent use of foundation pits, affected by many complex factors such as geological conditions, surrounding environment, and construction technology, foundation pits are very likely to tilt and deform. Therefore, monitoring devices are usually used for monitoring during foundation pit construction. However, existing monitoring devices are not convenient for monitoring the edges of foundation pits with a certain tilt angle and unevenness when in use.

[0003] A Chinese patent with patent publication number CN217601533U discloses a device for monitoring deformation of a building foundation pit. The device adjusts the angle of a vertical plate through an adjustment mechanism so that the side end of the vertical plate is parallel to the side end of the foundation pit, making it easier for the side ends of multiple monitoring plates to fully contact the side end surface of the foundation pit, thereby facilitating the monitoring of the deformation of the end surface of the foundation pit at different inclination angles. However, when the device monitors the foundation pit through the monitoring plate and the pressure sensor, the shape and position of the monitoring plate and the plastic plate are fixed, which requires frequent movement and adjustment of the entire device when monitoring multiple surfaces of the foundation pit, thereby reducing the overall monitoring efficiency.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a device for monitoring the tilt and deformation of a structure, thereby solving the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0007] A device for monitoring structural inclination and deformation, comprising: a base, a fixed plate and a horizontal adjustment mechanism, a fixed frame, which is arranged on the fixed plate, a rotating frame is rotatably connected to the fixed frame, a rotating assembly for driving the rotating frame to rotate is provided on the fixed plate, a guide rod is fixedly mounted on the rotating frame, a mounting plate is sleeved on the guide rod and movably connected, a laser displacement sensor is fixedly mounted on the mounting plate, a lifting assembly is provided on the rotating frame for driving the mounting plate to move along the guide rod, and a controller is fixedly mounted on the base.

[0008] Optionally, the rotating frame is rotatably disposed on the fixed frame via a first rotating shaft, and the rotating assembly includes:

[0009] a sheave, which is sleeved and fixedly mounted on the first rotating shaft;

[0010] The dial is rotatably connected to the fixed frame via a second rotating shaft. The dial is fixedly connected to a driving rod that abuts against the groove body on the groove wheel. The fixed plate is provided with a driving component that drives the second rotating shaft to rotate.

[0011] Optionally, a mounting block is fixedly mounted on the fixed plate, and the driving assembly includes:

[0012] a first gear, which is sleeved and fixedly mounted on the second rotating shaft;

[0013] A cylinder is fixedly mounted on the mounting block, a rack meshing with the first gear is fixedly mounted on the telescopic end of the cylinder, the rack is slidably arranged on the mounting block, and the cylinder is connected to the controller signal.

[0014] Optionally, an internal gear is rotatably connected to the fixed plate, a winding wheel is rotatably connected to the internal gear, and a connecting component is provided on the fixed plate to drive the internal gear to rotate synchronously with the first rotating shaft, and the connecting component includes:

[0015] a second gear, which is rotatably mounted on the fixed plate via a third rotating shaft, wherein the third rotating shaft is connected to the first rotating shaft via a belt transmission mechanism;

[0016] A third gear is rotatably disposed on the fixed plate via a fourth rotating shaft, and the third gear is meshed with the internal gear and the second gear.

[0017] Optionally, a push switch is fixedly mounted on the mounting block relative to the rack, the push switch is connected to the controller and the cylinder signal, and the rack is fixedly mounted at intervals along its length with a plurality of interference rods that can interfere with the push switch.

[0018] Optionally, a second slider is fixedly installed at the bottom of the internal gear, a second sliding groove for the second slider to slide is provided on the fixed plate, and the diameter of the second gear is greater than the diameter of the third gear.

[0019] Optionally, the guide rod is a polygonal structure, and the lifting assembly includes:

[0020] A threaded rod is rotatably mounted on the rotating frame, and a motor is mounted on the rotating frame to drive the threaded rod to rotate;

[0021] A threaded sleeve is sleeved and threadedly connected to the threaded rod, and the threaded sleeve is fixedly connected to the mounting plate.

[0022] Optionally, a first sliding block is fixedly mounted on the rotating frame, a first sliding groove for the first sliding block to slide is provided on the fixed frame, and a limiting block is detachably connected to the threaded rod.

[0023] Optionally, the threaded rod includes a plurality of detachably connected rod bodies, a threaded rod is fixedly mounted on one end of the rod body, and a threaded groove for threaded connection of the threaded rod is embedded in the other end, and the limit block can be threadedly connected to the threaded groove.

[0024] Optionally, a plurality of universal wheels with a braking function are fixedly mounted on the bottom of the base, and a handle is fixedly mounted on the base.

[0025] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described below at the same time:

[0026] 1. By providing a rotating assembly and a lifting assembly, the position and angle of the laser displacement sensor can be adjusted by the rotating assembly and the lifting assembly, so that the device can adapt to the monitoring requirements of different structures and positions, thereby improving the monitoring efficiency;

[0027] 2. By providing a drive assembly, a resistance rod, and a push switch, the cooperation of the drive assembly, the resistance rod, and the push switch can realize the specified angle rotation of the sheave, and the laser displacement sensor can perform intermittent monitoring at different angles, avoiding energy waste and equipment wear caused by continuous rotation, thereby improving the degree of automation and operation accuracy of the equipment;

[0028] 3. By providing a connecting component and a winding wheel, the connection component can be set so that the line on the winding wheel can rotate synchronously according to the rotation of the laser displacement sensor, which is convenient for the retraction and release management of cables, etc., and avoids cable entanglement affecting the normal operation of the equipment.

[0029] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0031] In the picture:

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a front view of the present invention;

[0034] Figure 3It is a structural schematic diagram of the interference rod of the present invention;

[0035] Figure 4 It is a structural schematic diagram of the rotating assembly and the connecting assembly of the present invention;

[0036] Figure 5 For the present invention Figure 4 Front view of

[0037] Figure 6 It is a schematic structural diagram of the rack and the mounting block of the present invention;

[0038] Figure 7 This is a schematic structural diagram of the second slider and the second chute of the present invention;

[0039] Figure 8 Schematic diagram of the structure of the threaded rod of the present invention.

[0040] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0041] 1. Base; 2. Fixing plate; 3. Storage box; 4. Universal wheel; 5. Controller; 6. Handle; 7. Lifting assembly; 71. Threaded rod; 711. Rod body; 712. Threaded groove; 713. Threaded rod; 72. Threaded sleeve; 73. First motor; 8. Connecting assembly; 81. Belt drive mechanism; 82. Second gear; 83. Third gear; 84. Third shaft; 85. Fourth shaft; 9. Rotating assembly; 91. Grooved wheel; 92. Dial; 93. Drive rod; 94. Drive Dynamic assembly; 941, first gear; 942, rack; 943, cylinder; 95, second rotating shaft; 10, guide rod; 11, limit block; 12, mounting plate; 13, laser displacement sensor; 14, rotating frame; 15, winding wheel; 16, internal gear; 17, fixed frame; 18, horizontal adjustment mechanism; 19, first slider; 20, first slide groove; 21, first rotating shaft; 22, second slider; 23, contact rod; 24, press switch; 25, mounting block; 26, second slide groove.

[0042] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0043] The present invention will now be described in further detail with reference to the accompanying drawings.

[0044] See also Figure 1-8As shown, in this embodiment, a device for monitoring structural inclination and deformation is provided, including a base 1, a fixed plate 2 and a horizontal adjustment mechanism 18, a fixed frame 17, which is arranged on the fixed plate 2, and a rotating frame 14 is rotatably connected to the fixed frame 17, and a rotating component 9 for driving the rotating frame 14 to rotate is provided on the fixed plate 2, a guide rod 10, which is fixedly installed on the rotating frame 14, and a mounting plate 12 is sleeved and movably connected on the guide rod 10, and a laser displacement sensor 13 is fixedly installed on the mounting plate 12, and a lifting component 7 for driving the mounting plate 12 to move along the guide rod 10 is provided on the rotating frame 14, and a controller 5 is fixedly installed on the base 1.

[0045] Specifically, in this embodiment, first, the base 1 is moved and fixed to a suitable position near the structure to be monitored, and the fixing plate 2 is horizontally adjusted by the horizontal adjustment mechanism 18 to ensure that the fixing plate 2 is in a horizontal state. The controller 5 can drive the mounting plate 12 to move along the guide rod 10 on the lifting assembly 7 to adjust the vertical height position of the laser displacement sensor 13. The controller 5 controls the rotating assembly 9 to drive the rotating frame 14 to rotate on the fixed frame 17 to change the horizontal angle direction of the laser displacement sensor 13. When the laser displacement sensor 13 is adjusted to a suitable position and angle, the laser displacement sensor 13 emits a laser beam to illuminate the surface of the structure to be monitored. The laser beam is reflected by the surface of the structure to be monitored and is received by the laser displacement sensor 13. The laser displacement sensor 13 calculates the distance from the structure to be monitored based on its measurement principle (such as triangulation principle) according to the received reflected light. The distance between the structures is measured, and the measured distance data is converted into an electrical signal, which is then transmitted to the controller 5 after processing such as analog-to-digital conversion. After receiving the data transmitted by the laser displacement sensor 13, the controller 5 processes and analyzes the data. The current measurement data can be compared with the initial data or historical data stored previously, and the displacement change of the measured structure can be calculated to determine whether the structure has tilted or deformed and the degree of tilt deformation. The controller 5 can also store the processed and analyzed data, and determine whether it is necessary to issue an early warning signal based on a preset threshold. At the same time, when monitoring other end faces of the foundation pit, it is only necessary to adjust the position and angle of the laser displacement sensor 13 through the rotating component 9 and the lifting component 7. The overall operation steps are simple, the monitoring range is wide, the flexibility is high, and it can adapt to the monitoring needs of different structures, thereby improving the monitoring efficiency.

[0046] It should be noted that, in this embodiment, a level is installed on the fixed plate 2, and the horizontal adjustment mechanism 18 can adjust the fixed plate 2 to a horizontal state. The structure and connection relationship of the base 1, the fixed plate 2 and the horizontal adjustment mechanism 18 can refer to the public document with patent announcement number CN217601533U, which is a prior art. Furthermore, in this embodiment, the working principle of the laser displacement sensor 13 and the controller 5 is that the laser displacement sensor 13 works based on its own measurement principle (such as triangulation principle or laser interference principle). It emits a beam of laser to illuminate the surface of the structure to be measured, and the laser is reflected by the surface and then sensed. The optical system inside the device collects and images the light on the photosensitive element. When the structure being measured moves, the angle or optical path of the reflected light changes, resulting in changes in the imaging position or interference fringes on the photosensitive element. The laser displacement sensor 13 calculates the distance to the structure being measured based on these changes and converts it into an electrical signal (such as a voltage or current signal). The electrical signal generated by the sensor is usually weak and may contain noise, so signal conditioning operations such as amplification and filtering are required to improve the signal quality. Afterwards, the analog electrical signal is converted into a digital signal through an analog-to-digital converter (ADC) so that the controller 5 can recognize and process it.

[0047] Secondly, the laser displacement sensor 13 and the controller 5 are connected through a specific communication interface. Common interfaces include RS-232, RS-485, CAN bus, Ethernet, etc. (different interfaces have different transmission rates, transmission distances and anti-interference capabilities. The specific choice depends on the system requirements and application scenarios). At the same time, in order to ensure the accuracy and reliability of data during transmission, it is necessary to follow a certain data transmission protocol. For example, in serial communication, the Modbus protocol may be used. The sensor packages the measurement data in the format specified by the protocol and sends it to the controller 5. The controller 5 then parses the received data according to the same protocol.

[0048] Finally, the controller 5 receives the digital signal from the laser displacement sensor 13 through the communication interface and stores it in the internal memory (the stored data may include real-time measurement values, measurement timestamps and other information for subsequent analysis and processing); the controller 5 then analyzes and processes the stored data, usually comparing the current measurement value with a preset threshold value to determine whether the measured structure has tilted and deformed and the degree of deformation. For example, if the measured displacement value exceeds the safety threshold, the controller 5 will determine that the structure may have a safety hazard. In addition, the controller 5 can also perform trend analysis on the data over a period of time to predict the development trend of structural deformation; then, based on the results of the data analysis, the controller 5 can output corresponding control instructions. For example, if abnormal structural deformation is detected, the controller 5 can trigger an alarm device (such as an audible and visual alarm) to alert the staff; it can also control other equipment to take corresponding measures, such as starting reinforcement equipment or adjusting the construction schedule; in summary, the controller 5 and the laser displacement sensor 13 work closely together through data acquisition, transmission, processing and control feedback to achieve real-time monitoring and intelligent control of structural tilt deformation.

[0049] In this embodiment, if Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the rotating frame 14 is rotatably set on the fixed frame 17 through the first rotating shaft 21, the rotating assembly 9 includes a groove wheel 91, which is sleeved and fixedly installed on the first rotating shaft 21, and a dial 92, which is rotatably connected to the fixed frame 17 through a second rotating shaft 95. The dial 92 is fixedly connected to a driving rod 93 that abuts against the groove body on the groove wheel 91. A driving assembly 94 for driving the second rotating shaft 95 to rotate is provided on the fixed plate 2. A mounting block 25 is fixedly installed on the fixed plate 2. The driving assembly 94 includes a first gear 941, which is sleeved and fixedly installed on the second rotating shaft 95, and a cylinder 943, which is fixedly installed on the mounting block 25. The telescopic end of the cylinder 943 is fixedly installed with a rack 942 that meshes with the first gear 941. The rack 942 is slidably set on the mounting block 25. The cylinder 943 is connected to the controller 5 signal. Specifically , the controller 5 controls the extension and retraction of the cylinder 943, and the extension end of the cylinder 943 drives the rack 942 to slide on the mounting block 25, and the rack 942 engages with the first gear 941. The sliding of the rack 942 drives the first gear 941 to rotate, and then the second shaft 95 drives the dial 92 to rotate, and the driving rod 93 on the dial 92 is against the groove body on the groove wheel 91. When the dial 92 rotates, the driving rod 93 pushes the groove wheel 91 to rotate intermittently, so that the first shaft 21 drives the rotating frame 14 to achieve intermittent rotation. The intermittent rotation of the rotating frame 14 is achieved through the rotating assembly 9, which enables the laser displacement sensor 13 to perform intermittent monitoring at different angles, avoiding energy waste and equipment wear caused by continuous rotation; it should be noted that, in this embodiment, the number of grooves on the groove wheel 91 can be adjusted according to actual conditions.

[0050] In this embodiment, if Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the fixed plate 2 is rotatably connected to an internal gear 16, and the internal gear 16 is rotatably connected to a winding wheel 15. The fixed plate 2 is provided with a connecting assembly 8 that drives the internal gear 16 to rotate synchronously with the first rotating shaft 21. The connecting assembly 8 includes a second gear 82, which is rotatably set on the fixed plate 2 through a third rotating shaft 84. The third rotating shaft 84 and the first rotating shaft 21 are connected by a belt transmission mechanism 81. The third gear 83 is rotatably set on the fixed plate 2 through a fourth rotating shaft 85. The third gear 83 is engaged with the internal gear 16 and the second gear 82. Specifically, the winding wheel 15 can be used to wind the laser displacement sensor 1 3 is a connection line with other devices (such as the controller 5). When the first rotating shaft 21 rotates, the third rotating shaft 84 is driven to rotate through the belt transmission mechanism 81, causing the second gear 82 to rotate. The second gear 82 meshes with the third gear 83, and the third gear 83 meshes with the internal gear 16, thereby driving the internal gear 16 to rotate synchronously with the first rotating shaft 21. The winding reel 15 on the internal gear 16 also rotates accordingly. The configuration of the connecting component 8 facilitates the synchronous rotation of the line on the winding reel according to the rotation of the laser displacement sensor 13, facilitating the management of the retraction and release of cables, etc., and preventing cable entanglement from affecting the normal operation of the equipment.

[0051] In this embodiment, if Figure 3 、 Figure 5 and Figure 6As shown, a push switch 24 is fixedly installed on the mounting block 25 relative to the rack 942. The push switch 24 is connected to the controller 5 and the cylinder 943 by signal. The rack 942 is fixedly installed with multiple interference rods 23 that can interfere with the push switch 24 at intervals along its length. Specifically, during the sliding process of the rack 942, the interference rod 23 thereon will interfere with the push switch 24. The push switch 24 transmits a signal to the controller 5, and the controller 5 controls the extension and retraction of the cylinder 943 according to the signal. The arrangement of the push switch 24 and the interference rod 23 can realize automatic control of the extension and retraction of the cylinder 943. When the rack 942 moves to a specific position, the contact rod 23 contacts the push switch 24, and the push switch 24 is triggered, causing the cylinder 943 to stop extending and retracting, thereby realizing the specified angle rotation of the groove wheel 91, thereby improving the degree of automation and operation accuracy of the equipment; It should be noted that in this embodiment, when the contact block presses the push switch 24, the cylinder 943 stops extending and retracting. When it is necessary to adjust the angle of the laser displacement sensor 13, the controller 5 can continue to control the cylinder 943 to continue to extend and retract. Only when the next contact block contacts the push switch 24 again will the cylinder 943 stop extending and retracting. The signal transmission principle is as follows: when the resistance block contacts the push switch 24, the mechanical structure of the push switch 24 is triggered, and the internal electrical connection state thereof changes, thereby generating an electrical signal change, which is usually from open to closed or from closed to open, which serves as a trigger signal for stopping the extension and retraction of the cylinder 943. The electrical signal generated by the push switch 24 is transmitted to the controller 5 via the connecting line. The signal input module within the controller 5 receives the signal, which is then identified and converted into a digital signal or logic signal (e.g., a high-level or low-level signal) that the controller 5 can understand. After receiving the signal, the controller 5 processes it according to a preset program and logic. It determines that the signal represents an instruction to stop the cylinder 943, and then, through its internal control logic, sends a stop signal to the drive circuit or control module of the cylinder 943 (this signal may be implemented by changing the level state of an output pin or sending a specific control code). After receiving the stop signal and stopping the cylinder 943, the controller 5 continues to monitor the status of the entire system. The operator can then manually operate the controller 5 to control the cylinder 943 to continue to extend and retract.

[0052] In this embodiment, if Figure 4 、 Figure 6 and Figure 7As shown, a second slider 22 is fixedly installed at the bottom of the internal gear 16, and a second slide groove 26 for the second slider 22 to slide is provided on the fixed plate 2. The diameter of the second gear 82 is larger than the diameter of the third gear 83. Specifically, the diameter of the second gear 82 is larger than the diameter of the third gear 83, which plays a role of variable speed transmission to ensure the synchronous movement of the winding wheel and the laser displacement sensor 13. It should be noted that the transmission ratio of the second gear 82 and the third gear 83 can be adjusted according to actual conditions to ensure the normal operation of the device.

[0053] In this embodiment, if Figure 1 、 Figure 2 and Figure 3 As shown, the guide rod 10 is a polygonal structure, and the lifting assembly 7 includes a threaded rod 71, which is rotatably arranged on the rotating frame 14. The rotating frame 14 is provided with a motor 73 for driving the threaded rod 71 to rotate, and a threaded sleeve 72, which is sleeved and threadedly connected to the threaded rod 71, and the threaded sleeve 72 is fixedly connected to the mounting plate 12. Specifically, the motor 73 is connected to the controller 5 signal, and the through-hole controller 5 controls the motor 73 to drive the threaded rod 71 to rotate, and the threaded sleeve 72 is threadedly connected to the threaded rod 71. Since the guide rod 10 is a polygonal structure, the mounting plate 12 cannot rotate with the threaded rod 71, and can only move linearly along the guide rod 10, thereby realizing precise adjustment of the vertical height of the laser displacement sensor 13; further, a first slider 19 is fixedly installed on the rotating frame 14, and a first slide groove 20 for the first slider 19 to slide is provided on the fixed frame 17, and a limit block 11 is detachably connected to the threaded rod 71.

[0054] In this embodiment, if Figure 8 As shown, the threaded rod 71 includes multiple detachably connected rod bodies 711, one end of the rod body 711 is fixedly installed with a threaded plug rod 713, and the other end is embedded with a threaded groove 712 for threaded connection of the threaded plug rod 713, and the limit block 11 can be threadedly connected to the threaded groove 712. Specifically, the threaded rod 71 is detachably connected by multiple rod bodies 711 through the threaded plug rod 713 and the threaded groove 712. The length of the threaded rod 71 can be adjusted by increasing or decreasing the number of rod bodies 711 as needed to adapt to different monitoring height requirements; it should be noted that, in this embodiment, the guide rod 10 can also be composed of multiple spliced ​​rods, and the structure of the threaded rod 71 can be referred to. Secondly, a storage box 3 for accommodating the guide rod 10 and the threaded rod 71 is fixedly installed on the base 1.

[0055] In this embodiment, if Figure 1 、 Figure 2 and Figure 3As shown, a plurality of universal wheels 4 with braking function are fixedly mounted on the bottom of the base 1, and a handle 6 is fixedly mounted on the base 1. Specifically, the universal wheels 4 with braking function and the handle 6 make the device have good mobility and fixability, which is convenient for transfer and positioning between different monitoring locations, thereby improving the flexibility of use of the equipment.

[0056] Working principle:

[0057] First, the base 1 is moved and fixed to a suitable position near the structure to be monitored, and the fixing plate 2 is horizontally adjusted by the horizontal adjustment mechanism 18 to ensure that the fixing plate 2 is in a horizontal state. The controller 5 can drive the mounting plate 12 to move along the guide rod 10 on the lifting assembly 7 to adjust the vertical height position of the laser displacement sensor 13. When the monitoring angle needs to be changed, the cylinder 943 is controlled to be extended and retracted by the controller 5. The retracted end of the cylinder 943 drives the rack 942 to slide on the mounting block 25. The rack 942 is engaged with the first gear 941. The sliding of the rack 942 drives the first gear 941 to rotate, thereby causing the second shaft 95 to drive the dial 92 to rotate, and the dial 92 The driving rod 93 on the rotating shaft 21 is against the groove body on the groove wheel 91. When the dial 92 is rotated, the driving rod 93 pushes the groove wheel 91 to rotate intermittently, so that the first rotating shaft 21 drives the rotating frame 14 to rotate intermittently, thereby changing the horizontal angle of the laser displacement sensor 13 at a fixed angle. At the same time, when the first rotating shaft 21 rotates, the third rotating shaft 84 is driven to rotate through the belt transmission mechanism 81, so that the second gear 82 rotates, the second gear 82 is meshed with the third gear 83, and the third gear 83 is meshed with the internal gear 16, thereby driving the internal gear 16 to rotate synchronously with the first rotating shaft 21, and the winding wheel 15 on the internal gear 16 also rotates accordingly. Through the setting of the connecting component 8, it is convenient to make the winding wheel 15 rotate synchronously with the first rotating shaft 21. The line on the winding wheel can rotate synchronously with the rotation of the laser displacement sensor 13, which is convenient for the retraction and release management of cables, etc. When the laser displacement sensor 13 is adjusted to a suitable position and angle, the laser displacement sensor 13 emits a laser beam to illuminate the surface of the structure to be measured. The laser beam is reflected by the surface of the structure to be measured and received by the laser displacement sensor 13. The laser displacement sensor 13 calculates the distance between the structure to be measured based on the received reflected light and its measurement principle (such as triangulation principle), and converts the measured distance data into an electrical signal. After being processed by analog-to-digital conversion, it is transmitted to the controller 5. The controller 5 receives the data transmitted by the laser displacement sensor 13 and receives the data transmitted by the laser displacement sensor 13. After that, the data is processed and analyzed. The current measurement data can be compared with the initial data or historical data stored previously to calculate the displacement change of the measured structure, and then determine whether the structure has tilted or deformed and the degree of tilt deformation. The controller 5 can also store the processed and analyzed data and determine whether it is necessary to issue an early warning signal based on a preset threshold. At the same time, when monitoring other end faces of the foundation pit, it is only necessary to adjust the position and angle of the laser displacement sensor 13 through the rotating component 9 and the lifting component 7. The overall operation steps are simple, the monitoring range is wide, the flexibility is high, and it can adapt to the monitoring needs of different structures, thereby improving the monitoring efficiency.

[0058] The present invention is not limited to the above-described embodiments. Any structural changes made under the guidance of the present invention, which have the same or similar technical solutions as the present invention, should be understood to fall within the scope of protection of the present invention. The technologies, shapes, and structural parts not described in detail in the present invention are all well-known technologies.

Claims

1. A device for monitoring structural tilt deformation, comprising a base (1), a fixing plate (2) and a level adjustment mechanism (18), characterized in that: A fixed frame (17) is arranged on the fixed plate (2), the fixed frame (17) is rotatably connected to a rotating frame (14), and the fixed plate (2) is provided with a rotating assembly (9) for driving the rotating frame (14) to rotate; A guide rod (10) is fixedly mounted on the rotating frame (14); a mounting plate (12) is sleeved on the guide rod (10) and movably connected thereto; a laser displacement sensor (13) is fixedly mounted on the mounting plate (12); a lifting assembly (7) is provided on the rotating frame (14) for driving the mounting plate (12) to move along the guide rod (10); and a controller (5) is fixedly mounted on the base (1).

2. The device for monitoring structural tilt deformation according to claim 1, characterized in that: The rotating frame (14) is rotatably mounted on the fixed frame (17) via a first rotating shaft (21), and the rotating assembly (9) comprises: A sheave (91) is sleeved and fixedly mounted on the first rotating shaft (21); A dial (92) is rotatably connected to the fixed frame (17) via a second rotating shaft (95); a driving rod (93) is fixedly connected to the dial (92) and abuts against the groove body on the groove wheel (91); and a driving assembly (94) for driving the second rotating shaft (95) to rotate is provided on the fixed plate (2).

3. The device for monitoring structural tilt deformation according to claim 2, characterized in that: A mounting block (25) is fixedly mounted on the fixing plate (2), and the driving assembly (94) comprises: a first gear (941) sleeved and fixedly mounted on the second rotating shaft (95); A cylinder (943) is fixedly mounted on the mounting block (25); a rack (942) meshing with the first gear (941) is fixedly mounted on the telescopic end of the cylinder (943); the rack (942) is slidably mounted on the mounting block (25); and the cylinder (943) is signal-connected to the controller (5).

4. The device for monitoring structural tilt deformation according to claim 2, characterized in that: The fixing plate (2) is rotatably connected to an internal gear (16), and the internal gear (16) is rotatably connected to a winding wheel (15). The fixing plate (2) is provided with a connecting assembly (8) for driving the internal gear (16) to rotate synchronously with the first rotating shaft (21). The connecting assembly (8) includes: a second gear (82) which is rotatably mounted on the fixed plate (2) via a third rotating shaft (84), wherein the third rotating shaft (84) and the first rotating shaft (21) are connected to each other via a belt transmission mechanism (81); A third gear (83) is rotatably arranged on the fixed plate (2) via a fourth rotating shaft (85), and the third gear (83) is engaged with the internal gear (16) and the second gear (82).

5. The device for monitoring structural tilt deformation according to claim 3, characterized in that: A push switch (24) is fixedly mounted on the mounting block (25) relative to the rack (942). The push switch (24) is connected to the controller (5) and the cylinder (943) via signals. The rack (942) is fixedly mounted with a plurality of contact rods (23) that can contact the push switch (24) at intervals along its length.

6. The device for monitoring structural tilt deformation according to claim 4, characterized in that: A second slider (22) is fixedly mounted on the bottom of the internal gear (16), and a second sliding groove (26) for the second slider (22) to slide is provided on the fixed plate (2), and the diameter of the second gear (82) is greater than the diameter of the third gear (83).

7. The device for monitoring structural tilt deformation according to claim 1, characterized in that: The guide rod (10) is a polygonal structure, and the lifting assembly (7) comprises: A threaded rod (71) is rotatably mounted on the rotating frame (14), and a motor (73) is mounted on the rotating frame (14) to drive the threaded rod (71) to rotate; A threaded sleeve (72) is sleeved and threadedly connected to the threaded rod (71), and the threaded sleeve (72) is fixedly connected to the mounting plate (12).

8. The device for monitoring structural tilt deformation according to claim 7, characterized in that: A first sliding block (19) is fixedly mounted on the rotating frame (14), a first sliding groove (20) for the first sliding block (19) to slide is provided on the fixed frame (17), and a limiting block (11) is detachably connected to the threaded rod (71).

9. The device for monitoring structural tilt deformation according to claim 8, characterized in that: The threaded rod (71) comprises a plurality of detachably connected rod bodies (711), one end of the rod body (711) is fixedly mounted with a threaded rod (713), and the other end is embedded with a threaded groove (712) for threaded connection of the threaded rod (713), and the limit block (11) can be threadedly connected to the threaded groove (712).

10. The device for monitoring structural tilt and deformation according to claim 1, characterized in that: A plurality of universal wheels (4) with a braking function are fixedly mounted on the bottom of the base (1), and a handle (6) is fixedly mounted on the base (1).

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