CN-115307552-B - Method and system for automatically monitoring horizontal displacement by continuous tracking reference line method

CN115307552BCN 115307552 BCN115307552 BCN 115307552BCN-115307552-B

Abstract

The invention relates to a method and a system for automatically monitoring horizontal displacement by a continuous tracking datum line method, comprising the steps of setting a point A and a point B as working base points, determining a datum line, setting N points as monitoring points, and acquiring an initial horizontal vertical distance D i from the monitoring points to the datum line through a total station; dividing the monitoring points into N groups, setting laser transmitters and laser displacement sensors on each group of adjacent monitoring points, acquiring the abscissa of each monitoring point through the laser displacement sensors, calculating the horizontal displacement of each monitoring point according to the current and last abscissa of each monitoring point, and transmitting the horizontal displacement to a related monitoring data management platform. The method has the beneficial effects that the method can realize real-time automatic monitoring of the horizontal displacement of the building foundation pit, reduce the workload of measuring staff and promote the real-time performance, reliability and accuracy of foundation pit monitoring.

Inventors

CHEN JING
WAN SHIPING
ZHANG XIN
CHEN YAOZHOU

Assignees

四川省川建勘察设计院有限公司
四川合众精准科技有限公司

Dates

Publication Date: 20260421
Application Date: 20220818
Priority Date: 20220818

Claims (5)

1. The method for automatically monitoring horizontal displacement by a continuous tracking reference line method is characterized by comprising the steps of setting a point A and a point B as working base points, and determining a reference line, wherein a straight line between the point A and the point B is determined as the reference line; setting n points as monitoring points, and acquiring initial horizontal and vertical distances Di between the monitoring points and the datum line through a total station; dividing the monitoring points into N groups, and setting laser displacement sensors on each group of adjacent monitoring points; acquiring the abscissa of each group of monitoring points according to the laser displacement sensor, and calculating the adjacent horizontal displacement variation of each group of monitoring points; Calculating the horizontal displacement of each monitoring point according to the adjacent horizontal displacement variation and pushing the horizontal displacement to a measuring terminal; setting n points as monitoring points, and acquiring initial horizontal and vertical distances Di between the monitoring points and the datum line through a total station, wherein the method comprises the following steps: setting n monitoring points, wherein the interval between adjacent monitoring points is smaller than 20 meters, selecting a working base point A as a measuring station, installing a total station at the position of the working base point A, and acquiring the distance M from the point A to a first monitoring point and the angle between a connecting line of the point A to the first monitoring point and a datum line through the total station; according to the total station, acquiring the distance M from the point A to the first monitoring point and the angle between the connecting line of the point A to the first monitoring point and the datum line, and calculating the initial horizontal and vertical distance D1 between the first monitoring point and the datum line; Specifically by the formula D is the initial horizontal and vertical distance from the monitoring point to the datum line; M is the linear distance from the working base point A to the monitoring point; the unit is second, the included angle between the straight line from the point A of the working base point to the monitoring point and the datum line, The method is characterized in that the method is used for measuring a constant, Has a value 206265; And setting the point A and the point B as working base points, and determining a datum line, wherein the datum line is determined to be a straight line between the point A and the point B, and the method comprises the following steps: Selecting an object to be measured for horizontal displacement, setting a working base point A and a working base point B, and determining a connecting line between the working base point A and the working base point B as a datum line; Dividing the monitoring points into N groups, setting laser displacement sensors on each group of adjacent monitoring points, and acquiring the abscissa of each group of monitoring points through the laser displacement sensors, wherein the method comprises the following steps: dividing N monitoring points into N groups, and setting laser displacement sensors at adjacent monitoring points of each group; The laser displacement sensor comprises a laser transmitter and a laser receiving device, wherein the laser transmitter is arranged at the previous adjacent monitoring point of the monitoring point, the laser receiving device is arranged at the monitoring point to receive laser transmitted by the laser transmitter on the previous adjacent monitoring point, and the laser transmitter of the next adjacent monitoring point is also arranged at the monitoring point.
2. The method for automatically monitoring horizontal displacement by continuous tracking and datum line method according to claim 1, wherein the distance between the laser displacement sensor and each group of monitoring points is smaller than 50cm, so that the spatial variation of the laser displacement sensor is consistent with that of the adjacent monitoring points, a working base point A is provided with only a laser transmitter, a working base point B is provided with only a laser receiving device, a monitoring point n is provided with a laser receiving device, and the abscissa x i of the monitoring points can be obtained through the laser receiving device.
3. The method for automatically monitoring horizontal displacement by continuous tracking reference line method according to claim 1, wherein the method for automatically monitoring horizontal displacement by continuous tracking reference line method according to claim 1 is characterized in that the method for automatically monitoring horizontal displacement by continuous tracking reference line method according to the claim comprises the following steps: acquiring the abscissa of the light spot center according to the laser displacement sensor, and uploading the abscissa to a cloud management platform; Acquiring the abscissa of each monitoring point at the last time and marking the abscissa as x i ', and acquiring the abscissa of each monitoring point at the current time and marking the abscissa as x i ', wherein the abscissa of each monitoring point at the last time is the abscissa of each monitoring point measured at the last time of the distance calculated at the current time; And calculating the adjacent horizontal displacement variation delta i of each monitoring point according to the difference between the abscissa x i 'of each monitoring point at this time and the abscissa x i ' of each monitoring point at last time.
4. A method for automatic monitoring of horizontal displacement by continuous tracking reference line method according to claim 3, characterized in that the actual horizontal vertical distance D i 'is calculated based on the initial horizontal vertical distance D i of the last monitoring point and the sum of the horizontal displacement changes ΣΔ i , wherein the actual horizontal vertical distance D i ' is obtained by adding the initial horizontal vertical distance D i and the sum of the horizontal displacement changes ΣΔ i .
5. A system for continuous tracking baseline horizontal displacement automatic monitoring, for performing a method for continuous tracking baseline horizontal displacement automatic monitoring as claimed in any one of claims 1 to 4, comprising: The total station is used for acquiring an initial horizontal vertical distance D i between the monitoring point and the datum line, wherein the initial horizontal vertical distance D 1 between the first monitoring point and the datum line is calculated by acquiring a distance M between the point A and the first monitoring point and an angle between a connecting line between the point A and the first monitoring point and the datum line, and the horizontal distance D i is acquired by the steps; the laser displacement sensor comprises a laser emitter and a laser receiving device, wherein the laser emitter is used for emitting laser, and the laser receiving device is used for receiving the laser emitted by the laser emitter and acquiring the coordinates of the laser on the laser receiving device; The coordinate analysis module is used for extracting the laser coordinate information received by the laser receiving device, generating position data and uploading the position data to the data processing module; The data processing module is used for calculating the data measured by the laser displacement sensor and sending the calculation result to the measurement terminal; and the measurement terminal is used for receiving the measurement result and displaying the measurement result.

Description

Method and system for automatically monitoring horizontal displacement by continuous tracking reference line method Technical Field The invention relates to the technical field of engineering measurement, in particular to a method and a system for automatically monitoring horizontal displacement by a continuous tracking reference line method. Background Along with the development of economic construction, a large amount of capital construction projects are put into construction, engineering measurement is an important means for guaranteeing the quality and safety of engineering construction, and horizontal displacement measurement of monitoring points is the necessary measurement content of monitoring work. In the existing horizontal displacement measuring method, the reference line method, such as the small angle measuring method and laser collimation, can be completed only by measuring technicians in the field by using instruments, and cannot realize automatic monitoring, and the polar coordinate method can be used for realizing the automatic monitoring by using a measuring robot when measuring the horizontal displacement, but has large investment and severe requirements on the installation conditions of field equipment and devices, and is unfavorable for large-area popularization and use. The digitalized transformation of each industry also relates to related professions in the construction field, and the intelligent construction site construction also provides higher requirements for safety monitoring of the construction site, so that monitoring means are required to be transited from traditional manual monitoring to automatic and intelligent monitoring. At present, from the technical and economic index aspect, a measuring system capable of monitoring the horizontal displacement of an engineering project for a long time in real time is needed to reduce manual measurement and improve the reliability of measured data. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide a continuous tracking baseline method horizontal displacement automatic monitoring method and system which can realize continuous automatic tracking and monitoring, have high precision and are economical. The automatic monitoring method for the horizontal displacement of the continuous tracking datum line method comprises the following steps of setting a point A and a point B as working base points, determining a datum line, determining straight lines between the point A and the point B as datum lines, setting N points as monitoring points, acquiring initial horizontal and vertical distances Di between the monitoring points and the datum line through a total station, dividing the monitoring points into N groups, arranging a laser displacement sensor on each group of adjacent monitoring points, acquiring the horizontal coordinates of each monitoring point through the laser displacement sensor, acquiring the horizontal coordinates of each group of monitoring points according to the laser displacement sensor, calculating the horizontal and vertical displacement variation of each group of monitoring points, calculating the horizontal displacement of each monitoring point according to the horizontal displacement variation, and pushing the horizontal displacement of each monitoring point to a measuring terminal. Preferably, the setting the point a and the point B as the working base points, and determining the reference line, wherein determining the straight line between the point a and the point B as the reference line includes: And selecting an object to be measured for horizontal displacement, setting a working base point A and a working base point B, and determining a connecting line between the working base point A and the working base point B as a datum line. Preferably, the setting n points as monitoring points, obtaining, by the total station, an initial horizontal vertical distance D i between the monitoring points and the reference line includes: setting n monitoring points, wherein the interval between adjacent monitoring points is smaller than 20 meters, selecting a working base point A as a measuring station, installing a total station at the position of the working base point A, and acquiring the distance M from the point A to a first monitoring point and the angle between a connecting line of the point A to the first monitoring point and a datum line through the total station; and according to the total station, acquiring the distance M from the point A to the first monitoring point and the angle between the connecting line of the point A to the first monitoring point and the datum line, and calculating the initial horizontal and vertical distance D 1 between the first monitoring point and the datum line. Preferably, the initial horizontal vertical distance D i of n monitoring points is determined by the method of claim 3. Preferably, the monitoring points are divided into N groups, each