CN-224227759-U - Roadbed non-uniform deformation real-time monitoring device based on multidirectional angle sensing

Abstract

The utility model provides a roadbed non-uniform deformation real-time monitoring device based on multidirectional angle sensing, which is characterized in that a three-dimensional cross frame is buried in soil, the three-dimensional cross frame at least comprises three steel bars, the steel bars are in cross connection, inclination angle sensors are arranged in the steel bars in a one-to-one correspondence manner, the inclination angle sensors can sense the angle change of the corresponding steel bars in real time, a data acquisition instrument is connected with the corresponding inclination angle sensors through a data transmission line and is used for collecting data, and a wireless communication module is arranged in the data acquisition instrument. The utility model can comprehensively sense the uneven deformation of the roadbed in three directions of XYZ, realizes the accurate monitoring of multi-direction angles, has simple structure and convenient installation and disassembly, is matched with a data acquisition instrument to monitor the uneven deformation of the roadbed in real time, transmits data to terminal equipment and the like through wireless communication, and improves the safety and reliability of engineering.

Inventors

• LI HUI
• WANG SHUYING
• FU JINYANG
• JIANG LI
• LIU YANFENG
• Liu Tangjin
• XIAO BIHONG
• PENG XIAOJIA
• ZHOU YUYING
• YAN DI
• ZENG JUNHAO

Assignees

• 长沙市市政工程有限责任公司
• 湖南建工集团有限公司
• 中南大学

Dates

Publication Date

20260512

Application Date

20250707

Claims (8)

1. 1. The device for monitoring the non-uniform deformation of the roadbed on the basis of the multidirectional angle sensing is characterized by comprising a three-dimensional cross frame (10), a plurality of inclination angle sensors (20), a data transmission line (30) and a data acquisition instrument (40); The three-dimensional cross frame (10) is buried in soil, and the three-dimensional cross frame (10) at least comprises three steel bars which are connected in a cross mode; The dip angle sensors (20) are arranged in one-to-one correspondence with the steel bars, the dip angle sensors (20) are arranged in the steel bars, and the dip angle sensors (20) can sense the angle change corresponding to the steel bars in real time; The data acquisition instrument (40) is connected with the corresponding inclination sensor (20) through the data transmission line (30), the data acquisition instrument (40) is used for collecting data, and a wireless communication module is arranged in the data acquisition instrument (40).
2. 2. The real-time monitoring device for non-uniform deformation of roadbed based on multi-directional angle sensing according to claim 1, wherein the steel bars are connected in a pairwise orthogonal manner, and the steel bars are distributed in the XYZ direction in space.
3. 3. The real-time monitoring device for non-uniform deformation of roadbed based on multi-directional angle sensing according to claim 1, wherein the outer profile section of the steel bar is rectangular, and the inside is hollow.
4. 4. A device for monitoring the non-uniform deformation of a roadbed based on multi-directional angle sensing according to claim 1 or 3, wherein the steel bars are fixed by welding.
5. 5. The roadbed non-uniform deformation real-time monitoring device based on multi-directional angle sensing according to claim 1, wherein the steel bars are detachably connected through bolts, one steel bar is provided with a threaded hole, the other steel bar is provided with a connecting lug (14), and the connecting lug (14) is provided with a through hole.
6. 6. The real-time monitoring device for non-uniform deformation of roadbed based on multi-directional angle sensing according to claim 1, wherein the steel bars comprise a first steel bar (11), a second steel bar (12) and a third steel bar (13), the second steel bar (12) is connected with the first steel bar (11), and the third steel bar (13) is connected with the first steel bar (11).
7. 7. The real-time monitoring device for non-uniform deformation of roadbed based on multi-directional angle sensing according to claim 1, wherein a detachable end cover (15) is arranged at the end part of the steel bar, the end cover (15) is provided with an end hole (16), and the end hole (16) is used for leading out the data transmission line (30) connected with the inclination angle sensor (20) from the steel bar and is connected with the data acquisition instrument (40).
8. 8. The real-time monitoring device for non-uniform deformation of roadbed based on multi-directional angle sensing according to claim 1, wherein the data transmission line (30) adopts an RS485 or CAN bus protocol.

Description

Roadbed non-uniform deformation real-time monitoring device based on multidirectional angle sensing Technical Field The utility model relates to the technical field of roadbed monitoring, in particular to a roadbed non-uniform deformation real-time monitoring device based on multidirectional angle sensing. Background In road engineering, uneven deformation of the roadbed is an important factor affecting the stability of the road structure and the service life. Conventional roadbed deformation monitoring schemes generally rely on unidirectional sensors or manual measurements, and it is difficult to comprehensively capture the uneven deformation condition of the roadbed in a three-dimensional space. In addition, the existing roadbed deformation monitoring scheme is low in data acquisition efficiency, real-time monitoring and early warning are difficult to achieve, measures cannot be taken timely when roadbed deformation reaches the dangerous degree, and safety and stability of a road structure are possibly seriously affected. Generally, a single-direction sensor can only monitor deformation in a specific direction, and cannot reflect complex deformation conditions of roadbed in three-dimensional space. In addition, the traditional data acquisition and transmission mode is low in efficiency, the requirement of real-time monitoring is difficult to meet, and the problem of uneven deformation of the roadbed is found and dealt with in time. Therefore, a scheme capable of comprehensively, reliably monitoring the uneven deformation of the roadbed in real time is needed to improve the monitoring accuracy and efficiency and ensure the safety and reliability of road engineering. Disclosure of utility model Aiming at the defects in the background technology, the utility model provides a scheme for realizing real-time monitoring and early warning of the non-uniform deformation of the roadbed by matching the three-dimensional cross plate with the inclination angle sensor and combining the linkage of the data acquisition instrument and the terminal equipment. In order to achieve the purpose, the utility model provides a roadbed non-uniform deformation real-time monitoring device based on multi-directional angle sensing, which comprises a three-dimensional cross frame, a plurality of inclination angle sensors, a data transmission line and a data acquisition instrument; The three-dimensional cross frame is buried in soil, and at least comprises three steel bars, wherein the steel bars are connected in a pairwise cross manner; The dip angle sensors are arranged in one-to-one correspondence with the steel bars, the dip angle sensors are arranged in the steel bars, and the dip angle sensors can sense the angle change of the corresponding steel bars in real time; The data acquisition instrument is connected with the corresponding inclination sensor through the data transmission line and is used for collecting data, and a wireless communication module is arranged in the data acquisition instrument. Further, the steel bars are connected in pairs orthogonally, and the steel bars are spatially distributed in XYZ directions. Further, the outer profile section of the steel bar is rectangular, and the inside of the steel bar is hollow. Further, the steel bars are fixed through welding. Further, the steel bars are detachably connected through bolts, one of the steel bars is provided with a threaded hole, the other steel bar is provided with a connecting lug, and the connecting lug is provided with a through hole. Further, the steel bars include a first steel bar, a second steel bar connected to the first steel bar, and a third steel bar connected to the first steel bar. Further, the end of the steel bar is provided with a detachable end cover, the end cover is provided with an end hole, and the end hole is used for leading out the data transmission line connected with the inclination sensor from the steel bar and is connected with the data acquisition instrument. Further, the data transmission line adopts an RS485 or CAN bus protocol. The scheme of the utility model has the following beneficial effects: The roadbed non-uniform deformation real-time monitoring device based on the multidirectional angle sensing provided by the utility model is based on the arrangement of the three-dimensional cross frame and the built-in of the inclination sensor, can comprehensively sense the non-uniform deformation of the roadbed in three directions of XYZ, realizes the accurate monitoring of multidirectional angles, has a simple structure, is convenient to mount and dismount, can monitor the non-uniform deformation of the roadbed in real time by matching with a data acquisition instrument, transmits data to terminal equipment and the like through wireless communication, realizes the real-time display and storage of the data, can set a multi-stage early warning threshold through the terminal equipment, timely find the abnormal condition of non-uniform s