Monitoring equipment for monitoring deformation of foundation pit based on scanner

Abstract

The utility model relates to the technical field of foundation pit deformation monitoring, and solves the problems that in the foundation pit monitoring period, a scanner is used for scanning a foundation pit singly, whether deformation occurs or not can be judged through scanning only after the foundation pit deforms, monitoring is unitary, corresponding preparatory measures cannot be taken in advance, and unpredictable loss is caused. The monitoring equipment comprises a fixing ring A, four corners of the outer wall of the fixing ring A are symmetrically and fixedly connected with fixing plates A, the bottoms of the fixing plates A are provided with supporting plates, four corners of the bottom of the fixing ring A are symmetrically provided with telescopic rods, and the bottoms of the telescopic rods are connected with fixing rings B; fixing plates B are symmetrically and fixedly connected to the four corners of the outer wall of the fixing ring B, telescopic conical rods are fixedly connected to the bottoms of the fixing plates B, pressure sensing modules are arranged in grooves in the bottoms of the telescopic conical rods, L-shaped plates are arranged at the bottoms of the fixing plates B, and infrared sensing modules and camera modules are arranged at the bottoms of the L-shaped plates.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit deformation monitoring technical field, concretely to a kind of monitoring equipment based on scanner monitoring foundation pit deformation. BACKGROUND

[0002] The utility model discloses a kind of monitoring equipment based on scanner monitoring foundation pit deformation with the publication No.CN219282925U, it includes protective fixed base, the top surface of the protective fixed base is fixedly installed with support device, the top surface of the support device is fixedly installed with mounting device, the top surface of the mounting device is fixedly installed with rotating device, the top surface of the rotating device is fixedly installed with protection device.

[0003] It can protect the two sides of the weighted bottom plate after the monitoring work is completed, prevent some components from being damaged by external interference, and also stabilize the equipment by opening the support points during use.

[0004] However, during foundation pit monitoring, single scanning of the foundation pit by the scanner can only determine whether deformation occurs after the foundation pit deforms, which brings singleness to monitoring and cannot make corresponding preparatory measures in advance, causing unpredictable losses. UTILITY MODEL CONTENTS

[0005] To overcome the shortcomings of the prior art, the utility model provides a kind of monitoring equipment based on scanner monitoring foundation pit deformation, solve the problem that single scanning of the foundation pit by the scanner during foundation pit monitoring can only determine whether deformation occurs after the foundation pit deforms, which brings singleness to monitoring and cannot make corresponding preparatory measures in advance, causing unpredictable losses.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of monitoring equipment based on scanner monitoring foundation pit deformation, including A fixed ring, the A fixed ring outer wall four corners are symmetrically fixedly connected A fixed plate, the A fixed plate bottom is provided with support plate, the A fixed ring bottom four corners are symmetrically provided with telescopic rod, the telescopic rod bottom is connected B fixed ring, the B fixed ring outer wall four corners are symmetrically fixedly connected B fixed plate, the B fixed plate bottom is fixedly connected telescopic taper rod, the telescopic taper rod bottom recess is provided with pressure sensing module, the B fixed plate bottom is provided with L type plate, the L type plate bottom is provided with infrared sensing module and camera module, the infrared sensing module and camera module are electrically connected control module, the B fixed ring surface is provided with connecting block, the connecting block bottom is provided with motor, the motor output end is connected with screw rod through connecting block, the screw rod surface is provided with screw block, and the screw block is connected with the surface of A fixed ring.

[0007] In an embodiment, the telescopic conical rods are symmetrically arranged at the bottom of the B fixing ring through the B fixing plate, a pressure sensing module is arranged in the groove at the bottom of each telescopic conical rod, the inner wall of the groove is coated with a moisture-proof insulating coating and is in interference fit with the pressure sensing module, and a threaded cap for adjusting the telescopic tightness is arranged on the side surface of the telescopic conical rod.

[0008] In an embodiment, the L-shaped plate is welded and fixed with the B fixing plate, the bottom of the L-shaped plate is provided with heat dissipation holes, and the installation axes of the infrared sensing module and the camera module are perpendicular to each other.

[0009] In an embodiment, the motor is rigidly connected with the connecting block through bolts, and the rotation direction of the threaded screw rod is coaxial with the telescopic direction of the telescopic rod.

[0010] In an embodiment, a threaded conical rod is arranged at the bottom of the supporting plate, the surface of the threaded conical rod is provided with anti-skid lines, and the end of the threaded conical rod is conical.

[0011] In an embodiment, the control module is arranged at the top of the L-shaped plate, and the wireless transmission antenna of the control module is exposed on the side surface of the L-shaped plate.

[0012] Compared with the prior art, the utility model provides a kind of monitoring equipment based on scanner monitoring foundation pit deformation, with following beneficial effects:

[0013] In the technical scheme disclosed by the utility model, through the design of four-corner symmetric telescopic conical rod and pressure sensing module, real-time monitoring and early warning function of foundation pit soil pressure are realized, the pressure sensing module of four-corner symmetric layout is embedded in the groove at the bottom of telescopic conical rod, directly contacts the soil body around foundation pit, judges deformation trend by monitoring pressure change, solves the hysteresis problem that traditional single scanner can only detect after deformation occurs, realizes deformation multi-modal data fusion function through the collaborative monitoring design of infrared sensing module and camera module, infrared sensing module detects abnormal temperature field on the surface of foundation pit, camera module captures crack or displacement image, combines pressure data cross verification, improves monitoring comprehensiveness.

[0014] Through the design that motor drives threaded screw rod to adjust the height of B fixing ring, the function that equipment is self-adapting to different foundation pit depths is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is A fixed ring and B fixed ring structure schematic view of the utility model;

[0018] Figure 3 It is motor and screw rod structure schematic view of the utility model;

[0019] Figure 4 It is telescopic taper rod structure schematic view of the utility model.

[0020] In the drawing: 1, A fixed ring;2, A fixed plate;3, support plate;4, telescopic rod;5, B fixed ring;6, B fixed plate;7, telescopic taper rod;8, pressure sensing module;9, L-shaped plate;10, infrared sensing module;11, camera module;12, control module;13, threaded cap;14, connecting block;15, motor;16, threaded screw;17, threaded block;18, threaded taper rod. Specific embodiments

[0021] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0022] Figures 1-4 For an embodiment of the utility model, a kind of monitoring equipment based on scanner monitoring foundation pit deformation, including A fixed ring 1, A fixed ring 1 outer wall four corners symmetrically fixedly connected A fixed plate 2, A fixed plate 2 bottom is provided with support plate 3, A fixed ring 1 bottom four corners symmetrically set telescopic rod 4, B fixed ring 5 surface is provided with connecting block 14, connecting block 14 bottom is provided with motor 15, motor 15 output end is fixedly connected threaded screw 16, threaded screw 16 surface is provided with threaded block 17, threaded block 17 is connected with the surface of A fixed ring 1.

[0023] The specific problem that the embodiment is aimed at is that during foundation pit monitoring, single scanning of the foundation pit by a scanner can only determine whether deformation occurs after the deformation of the foundation pit occurs, which brings singleness to the monitoring, and corresponding preparatory measures cannot be taken in advance, thereby causing unpredictable losses. The utility model realizes real-time monitoring and early warning of the soil pressure of the foundation pit through the design of the four-corner symmetrical telescopic cone rod 7 and the pressure sensing module 8, the pressure sensing module 8 of the four-corner symmetrical layout is embedded in the bottom groove of the telescopic cone rod 7, directly contacts the soil body around the foundation pit, and the deformation trend is predicted through monitoring of the pressure change, thereby solving the hysteresis problem that the traditional single scanner can only detect after deformation occurs. Through the cooperative monitoring design of the infrared sensing module 10 and the camera module 11, the deformation multi-modal data fusion function is realized, the infrared sensing module 10 detects the abnormal temperature field of the surface of the foundation pit, the camera module 11 captures crack or displacement images, cross verification is combined with pressure data, and the comprehensiveness of monitoring is improved.

[0024] The pressure sensing module 8 is a Honeywell TJE series (range 0-500kPa, accuracy ±0.5% FS) four-corner symmetrical embedded telescopic cone rod bottom groove, which realizes real-time monitoring of the pressure change of the soil body around the foundation pit. When the pressure deviation exceeds the threshold value (±15%), the FLIR A300 infrared sensing module 10 (thermal imaging range -20℃ to +150℃) is triggered to scan the abnormal area of the surface temperature field of the foundation pit, and the Hikvision DS-2CD3 camera module 11 (20 million pixels, 30fps) is linked to focus and shoot crack or displacement images. All data are integrated and processed by Advantech UNO-2484G control module 12 (built-in quad-core ARM processor), run LSTM neural network algorithm to predict deformation trend, and uploaded to cloud platform in real time via SIMCom SIM7600 wireless module, realize pressure-thermal-visual multi-modal data fusion, abnormal grading warning and monitoring height self-adaptive adjustment integrated intelligent monitoring.

[0025] The bottom of the telescopic rod 4 is connected with a B fixing ring 5, the outer wall of the B fixing ring 5 is symmetrically and fixedly connected with a B fixing plate 6, the bottom of the B fixing plate 6 is fixedly connected with a telescopic taper rod 7, the bottom groove of the telescopic taper rod 7 is provided with a pressure sensing module 8, the bottom of the B fixing plate 6 is provided with an L-shaped plate 9, the bottom of the L-shaped plate 9 is provided with an infrared sensing module 10 and a camera module 11, the infrared sensing module 10 and the camera module 11 are electrically connected with a control module 12, in the embodiment, the bottom of the support plate 3 is screwed into the ground fixing device through a threaded taper rod 18, the motor 15 drives the threaded screw rod 16 to rotate, the B fixing ring 5 is driven to move downward through the telescopic rod 4, the four symmetric telescopic taper rods 7 are inserted into the soil around the foundation pit, the pressure sensing module 8 contacts the soil to monitor the pressure change in real time, the infrared sensing module 10 and the camera module 11 on the bottom of the L-shaped plate 9 synchronously scan the surface deformation of the foundation pit, and data is wirelessly transmitted through the control module 12. The four-angle pressure monitoring is combined with the infrared / camera multi-sensor linkage to realize early warning of the foundation pit deformation and synchronous capture of the surface hidden danger, and solve the problem of the lagging nature of the traditional monitoring.

[0026] In the embodiment, the telescopic taper rods 7 are symmetrically arranged at the bottom of the B fixing ring 5 through the B fixing plate 6, the pressure sensing module 8 is arranged in the groove at the bottom of each telescopic taper rod 7, the inner wall of the groove is coated with a moisture-proof insulation coating and is in interference fit with the pressure sensing module 8, and the side surface of the telescopic taper rod 7 is provided with a threaded cap 13 for adjusting the telescopic tightness;

[0027] The groove at the bottom of the telescopic taper rod 7 is a circular arc cavity processed by CNC, the pressure sensing module 8 is pressed into the groove in interference fit, the epoxy moisture-proof insulation coating is sprayed on the inner wall of the groove and is sealed after solidification, the sensor can work stably in the humid soil for a long time, the interference fit and the moisture-proof coating provide double protection, and the durability and data accuracy of the pressure sensing module 8 in the complex soil environment are ensured.

[0028] In the embodiment, the L-shaped plate 9 is fixedly welded with the B fixing plate 6, the bottom of the L-shaped plate 9 is provided with a heat dissipation hole, and the installation axes of the infrared sensing module 10 and the camera module 11 are perpendicular to each other;

[0029] The L-shaped plate 9 is fixedly welded with the bottom of the B fixing plate 6 in a vertical manner, the bottom is drilled with a honeycomb-shaped heat dissipation hole, the infrared sensing module 10 is horizontally installed to scan the thermal field of the foundation pit, the camera module 11 is vertically installed to take a picture of the image of the foundation pit, the double-axis vertical design avoids the interference of thermal radiation on the optical lens, the heat dissipation hole accelerates heat exchange, the double-axis vertical layout suppresses the cross interference of the sensor signal, and the infrared / camera data acquisition accuracy is improved.

[0030] In the embodiment, the motor 15 is rigidly connected with the connecting block 14 through a bolt, and the thread direction of the threaded screw rod 16 is coaxially corresponding to the telescopic direction of the telescopic rod 4;

[0031] The motor 15 is locked with the connecting block 14 through high-strength bolts, the threaded screw rod 16 is right-handed threaded, the axis is coaxial with the movement track of the telescopic rod 4, the motor 15 drives the fixed ring 5 to move up and down through the threaded screw rod 16, and the high adjustment accuracy is ensured through the rigid connection and coaxial thread design, so that monitoring errors caused by structural deflection during lifting are avoided.

[0032] In the embodiment, the threaded taper rod 18 is arranged at the bottom of the support plate 3, the surface of the threaded taper rod 18 is provided with anti-skid lines, and the end is conical.

[0033] The surface of the threaded taper rod 18 at the bottom of the support plate 3 is rolled with diamond anti-skid lines, and the end is processed into a conical sharp angle; when installation, the threaded taper rod is rotated to penetrate the hard shell layer of the ground and be anchored into the deep soil body, the anti-skid lines enhance the anti-pulling force, the conical sharp angle reduces the insertion resistance, and the stable installation of the equipment in the soft soil layer or backfill soil is ensured.

[0034] In the embodiment, the control module 12 is arranged at the top of the L-shaped plate 9, and the wireless transmission antenna of the control module 12 is exposed to the side of the L-shaped plate 9.

[0035] The control module 12 is packaged in the waterproof cavity at the top of the L-shaped plate 9, an antenna slot is formed on the outer side of the cavity, the 4G / WIFI dual-mode wireless transmission antenna is exposed to the outside of the slot and is waterproofed by a silica gel sealing ring, real-time data uploading to the monitoring platform, near-field integration shortens the sensor wiring distance, the exposed antenna optimizes the signal strength, and low-delay remote transmission of monitoring data is realized.

[0036] Working principle: the pressure sensing module 8 is embedded into the soil body around the foundation pit through the four-corner symmetrically arranged telescopic taper rods 7 to monitor the pressure change in real time, the motor 15 drives the threaded screw rod 16 to adjust the height of the fixed ring 5 to adapt to different monitoring depths, the infrared sensing module 10 scans the thermal field anomaly on the surface of the foundation pit, the camera module 11 captures the deformation image, the control module 12 integrates the pressure, thermal and visual data and realizes multi-modal fusion analysis and real-time early warning through wireless transmission, and a foundation pit safety monitoring system with mechanical-environmental-deformation linkage is constructed.

[0037] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection are not explained in detail.

[0038] It should be noted that in this paper, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A monitoring device for monitoring foundation pit deformation based on a scanner, comprising a fixed ring A (1), characterized in that: The outer wall of the A fixing ring (1) is symmetrically fixed to the four corners of the A fixing plate (2). The bottom of the A fixing plate (2) is provided with a support plate (3). The bottom of the A fixing ring (1) is symmetrically provided with telescopic rods (4). The bottom of the telescopic rods (4) is connected to the B fixing ring (5). The outer wall of the B fixing ring (5) is symmetrically fixed to the four corners of the B fixing plate (6). The bottom of the B fixing plate (6) is fixedly connected to a telescopic cone rod (7). The bottom groove of the telescopic cone rod (7) is provided with a pressure sensing module (8). The bottom of the B fixing plate (6) is provided with an L-shaped plate (9). The bottom of the L-shaped plate (9) is provided with an infrared sensing module (10) and a camera module (11). The infrared sensing module (10) and the camera module (11) are electrically connected to the control module (12). The surface of the B fixing ring (5) is provided with a connecting block (14). The bottom of the connecting block (14) is provided with a motor (15). The output end of the motor (15) passes through the connecting block (14) and is fixedly connected to the threaded screw (16). The surface of the threaded screw (16) is provided with a threaded block (17). The threaded block (17) is connected to the surface of the A fixing ring (1).

2. The monitoring device for monitoring foundation pit deformation based on a scanner according to claim 1, characterized in that: The telescopic cone rod (7) is symmetrically arranged at the bottom of the B fixing ring (5) through the four corners of the B fixing plate (6). A pressure sensing module (8) is provided in the groove at the bottom of each telescopic cone rod (7). The inner wall of the groove is coated with a moisture-proof insulating coating and is interference-fitted with the pressure sensing module (8). A threaded cap (13) for adjusting the degree of telescopic tension is provided on the side of the telescopic cone rod (7).

3. The monitoring device for monitoring foundation pit deformation based on a scanner according to claim 1, characterized in that: The L-shaped plate (9) is welded and fixed to the B fixing plate (6). The bottom of the L-shaped plate (9) has heat dissipation holes and the mounting axes of the infrared sensing module (10) and the camera module (11) are perpendicular to each other.

4. The monitoring device for monitoring foundation pit deformation based on a scanner according to claim 1, characterized in that: The motor (15) and the connecting block (14) are rigidly connected by bolts, and the thread direction of the threaded rod (16) is coaxial with the extension direction of the telescopic rod (4).

5. The monitoring device for monitoring foundation pit deformation based on a scanner according to claim 1, characterized in that: The support plate (3) is provided with a threaded tapered rod (18) at the bottom. The threaded tapered rod (18) has anti-slip texture on its surface and a conical end.

6. The monitoring device for monitoring foundation pit deformation based on a scanner according to claim 1, characterized in that: The control module (12) is located on the top of the L-shaped plate (9), and the wireless transmission antenna of the control module (12) is exposed on the side of the L-shaped plate (9).

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