摘要
目的得到曲柄滑块机构的最优传力性能,验证其急回特性。方法以机构运动学参数为设计变量,针对作业任务的要求,通过几何分析导出运动学参数必须满足的约束方程,提出量化机构力学性能的指标,建立机构的优化设计数学模型,给定滑块行程和行程速比系数,用MATLAB优化工具箱求解机构运动学参数的最优尺寸,用SolidWorks建模和运动学仿真。结果 得到了机构运动学参数的最优尺寸和运动学曲线,验证了偏置曲柄滑块机构的急回特性。结论 以MATLAB和SolidWorks为设计平台进行机构设计与运动分析,具有简单可行和直观高效等优点,可以将其推广到工程实际中。
Purposes-To obtain the optimal force transfer performance of the crank-slider mechanism, and to verify its quick-return characteristics. Methods -According to the requirement of job task, the constraint equation which kinematic parameters shall meet is deduced through geometric analysis with the kinematic parameters of the crank-slider mechanism as design variables, then the mechanic performance indicators of quantitative mechanisms is put forward, and a mathematical model of optimization design is established. When the slider stroke and travel speed ratio coefficient are given, MATLAB optimization toolbox is utilized to solve the optimal size of the kinematic parameters, and SolidWorks is used for modeling and kinematics simulation. Results-The optimal size and kinematic curves of kinematic parameters of the mechanism are obtained, and the quick-return characteristics of offset crank slider mechanism is verified. Conclusions-The mechanism design and motion analysis with MATLAB and SolidWorks as the design platform is simple, feasible, intuitive and efficient, so they can be extended to engineering practice.
作者
许海强
唐海平
XU Hai-qiang;TANG Hai-ping(Institute of Mechanical Engineering, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, China)
出处
《宝鸡文理学院学报（自然科学版）》
CAS
2019年第2期63-66,共4页
Journal of Baoji University of Arts and Sciences(Natural Science Edition)
