曲柄摇杆机构的急回程度分析与探讨  

Analysis of the Quick Return Motion of the Crank and Rocker Mechanism

作　　者：冯立艳 梁会硕 蔡玉强 张雪雁 崔冰艳 李学刚 李建功 李德胜 Feng Liyan;Liang Huishuo;Cai Yuqiang;Zhang Xueyan;Cui Bingyan;Li Xuegang;Li Jiangong;Li Desheng(College of Mechanical Engineering North China University of Science and Technology,Hebei Tangshan063210)

机构地区：[1]华北理工大学机械工程学院,河北唐山063210

出　　处：《南方农机》2021年第3期7-9,12,共4页

基　　金：教育部在线研究基金项目(2016YB117)。

摘　　要：文章明确了极位夹角θ的定义,分析曲柄摇杆机构极位夹角θ的可能取值范围为[0°,180°),推导出极位夹角为零度、锐角、直角和钝角四种情况下杆长间的数学关系式。分析了三类曲柄摇杆机构的急回运动,并基于ADAMS对各自的极位夹角θ及行程速比系数的取值条件下进行了仿真验证。Clarified the definition of the extreme angleθ,analyzed the possible value range of the crank-rocker mechanism’s extreme angleθas[0°,180°).The mathematical expressions of the bar length are derived under the four conditions of zero degree,acute angle,right angle and obtuse angle.The quick-return motions of three types of crank-rocker mechanisms are analyzed,and simulation verification is performed based on ADAMS for the values of the respective extreme angleθand stroke speed ratio coefficient.

关 键 词：曲柄摇杆机构 极位夹角 急回运动 行程速比系数 

分 类 号：TH112[机械工程—机械设计及理论]