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Kinematic Characteristics Analysis and Parametric Solving of Snow Melting Agent Throwing mechanism with variable crank length

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Journal of Harbin Institute of Technology(New Series) 2021年第4期28卷 60-66页

作者： Wenwu Liu Nianli Lu Hongxin Liu Engineering College Northeast Agriculture UniversityHarbin 150030China School of Electro-Mechanical Engineering Harbin Institute of TechnologyHarbin 150001China

variable crank length cam⁃linkage mechanism has attracted much attention due to its compact overall structure when realizing complex motion *** to the special trajectory requirements,the kinematic characteristics and parameters of the mechanism have been analyzed and solved,which lays foundation for the implementation of the variable crank length snow melting agent throwing mechanism designed in this *** on the trajectory equation of the point,the mathematical model of the throwing mechanism was established,and the theoretical trajectory of the end point of the throwing mechanism was obtained by *** parametric modeling and trajectory drawing were carried out by computer aided three⁃dimensional interactive application(CATIA),and the correctness of the mathematical model was verified by *** regional trajectory distribution characteristics of the end points of the throwing mechanism were studied by using the trajectory region location method,and the influence of various parameters on the trajectory was investigated by using the numerical cycle comparison *** human⁃computer interaction system of snow melting agent throwing mechanism with variable crank length was constructed by using Microsoft Visual Basic(VB)*** on the restriction conditions,the optimum combination of structural adjustment parameters and operational parameters suitable for Harbin first⁃class roads was obtained by using orthogonal test table,which provides an effective method to solve the parameters of the variable crank length cam mechanism with smooth impulse trajectory.

关键词： throwing mechanism variable crank length cam mechanism mathematical model kinematic characteristics parametric solving

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