Terrain data collection device and data collection method based on river work dynamic bed model

Abstract

The invention discloses a terrain data collection device and a data collection method based on a river work dynamic bed model. The device comprises a support, a data acquisition system, a computer and a power supply, wherein the support comprises two panels and two mutually parallel rail beams; the data acquisition system comprises a translation device, a terrain profile acquisition device and an image collection and correction device; the translation device comprises a bearing platform, a lifting motor, a traction motor and a counter weight; the terrain profile acquisition device comprises an upper stable plate, a lower stable plate, a synchronous motor, an electronic cloud platform and a line laser; and the image collection and correction device comprises a framework, a camera, a universal rod and a point laser. The terrain data collection device based on the river work dynamic bed model has the beneficial effects that the collected terrain image information is rich and intuitive, and is easy to store and update; point-group-type collection is carried out on the terrain surface information, thus the measuring efficiency is improved greatly; the measuring belongs to non-contact-type measuring which can avoid the damage of the measuring terrain form and is suitable for measurement of terrains under various conditions; and the device provided by the invention is simple in structure, low in cost and easy to popularize.

Description

technical field [0001] The invention relates to the field of topographic data acquisition of a dynamic bed model of river engineering, in particular to a topographic data acquisition device and a data acquisition method of a dynamic bed model of a river bed capable of observing the surface morphology of a river bed. Background technique [0002] There are two methods for studying the law of water and sediment movement and the evolution of riverbeds in natural conditions or after bridges, dams and other projects have been built on rivers: river engineering models and mathematical models. Jiao Aiping and others discussed the relationship between the two methods (Jiao Aiping, Zhang Yaoxian, Feng Kejian. The relationship between the physical model of river engineering and the mathematical model of sediment [J]. People's Yellow River, 2002,24(7):17+23.). Using mathematical models to study water and sediment problems has the characteristics of short period and low investment. With...

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Problems solved by technology

[0008] In order to overcome the problems of low working efficiency of current single-point measuring instruments, contact measuring instruments destroying the terrain surface, expensive laser terrain scanning, inability to measure underwater terrain, and difficult promotion of measuring instruments with complex structures, the present invention provides a method that can observe A topographic data acquisition device and data acquisition method for a dynamic bed model of a riverbed surface morphology. The data acquisition device is non-contact automatic measurement, and is suitable for measurements that can observe the surface morphology of a riverbed, including anhydrous topography measurement, underwater topography measurement and Dynamic sand wave monitoring, etc.

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