牽引式排水管道清淤機器人清淤機構(gòu)的研究
[Abstract]:In recent years, the research of pipeline desilting robot has been increasing in our country. Although it has made many breakthrough achievements, most of the pipeline desilting robots can only complete the detection, cable work, and rarely finish the dredging work independently. According to the development of pipeline desilting robot in China, a tractive drainage pipeline silt cleaning system is put forward. This paper introduces the composition and working principle of the traction drainage pipeline silt cleaning system, and calculates the towing cable force of the wire rope under different conditions, which provides an important technical index for the design of the silt cleaning mechanism of the desilting robot. A multi-link desilting mechanism is designed, its composition is introduced, and a suitable joint bearing is selected. The driving mode of walking mechanism and desilting mechanism is determined, that is, the walking mechanism adopts the driving mode with its own power, while the driving mode of the silt clearing mechanism adopts the combination of external force and self-driving. The kinematics and simulation analysis of the silt cleaning mechanism are carried out. The key variables are found to be the length of two electric cylinders through the calculation of degrees of freedom and geometric relations. Then, the length of the two electric cylinders is simulated by MATLAB software, according to the extension range of the two electric cylinders. The envelope curve of the desilting trajectory and the turnover trajectory of the silt cleaning bucket are obtained. The rationality of the desilting mechanism is verified, which provides a reliable basis for the design of the solid connecting rod and the checking of the strength. The motion control system of silt cleaning mechanism of desilting robot is designed, and the remote control of silt cleaning mechanism is realized, which opens a new way for the development of dredging robot in China.
【學(xué)位授予單位】:華北理工大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:TP242
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