Land subsidence monitoring device and monitoring method

Abstract

The invention discloses a land subsidence monitoring device and monitoring method, and particularly relates to the technical field of land subsidence monitoring. The land subsidence monitoring device comprises a hollow inserting rod, a horizontal monitoring mechanism and a horizontal adjusting mechanism are arranged in the hollow inserting rod, and the horizontal adjusting mechanism is arranged at the bottom of the horizontal monitoring mechanism; a subsidence distance monitoring mechanism is arranged at the outer end of the hollow inserting rod; and the horizontal monitoring mechanism comprises a conical head, and the conical head is fixedly arranged at the bottom of the hollow inserting rod. A laser range finder is installed in a hollow inserting rod, after land subsidence is finished, a PLC can start a first motor, the laser range finder and a second motor, and the first motor, a belt wheel, a belt and a threaded rod rotate, so that a moving plate and the laser range finder can be driven to move upwards; the laser range finder can emit laser in the moving process to measure the subsidence and collapse area of the land, and therefore the range of land subsidence on the horizontal plane can be measured.

Description

technical field [0001] The invention relates to the technical field of ground subsidence monitoring, in particular to a ground subsidence monitoring device and a monitoring method. Background technique [0002] Among the many geological disasters, land subsidence is a relatively common natural disaster. The occurrence of land subsidence is not only the effect of nature, but also has many human factors in it. According to the standard definition, land subsidence refers to the vertical drop phenomenon of the land surface formed under the influence of natural factors and human factors. There are many factors that lead to land subsidence, among which the natural factors are mainly structural ups and downs, earthquakes, volcanic activities, etc.; the human factors are mainly the exploitation of groundwater and oil and gas resources and local increase in load. The range of land subsidence caused by natural factors is large and the rate is small; however, there are many human fact...

AI Technical Summary

Problems solved by technology

[0004] To this end, the present invention provides a ground subsidence monitoring device and monitoring method. By installing a laser rangefinder inside the hollow plunger, when the ground subsidence ends, the PLC controller will start the first motor, the laser rangefinder and the second The motor uses the first motor, the pulley, the belt and the threaded rod to rotate, thereby driving the moving plate and the laser rangefinder to move upwards, so that the laser rangefinder can emit laser light to measure the area where the ground subsidence occurs during the movement , so that the range of land subsidence on the horizontal plane can be measured to solve the problem in the prior art that the subsidence cannot be fully understood and will affect the follow-up work due to the inability to measure the horizontal range of land subsidence in time

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