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当前位置: 首页 > 文章 > 旋转式水稻钵苗移栽机构动力学分析与试验 农业机械学报 2016,47 (5) 53-61
Position: Home > Articles > Dynamics Analysis and Tests of Rotary Transplanting Mechanism for Rice Pot-seedling Transactions of the Chinese Society for Agricultural Machinery 2016,47 (5) 53-61

旋转式水稻钵苗移栽机构动力学分析与试验

作  者：
叶秉良;朱浩;俞高红;高杨;孙良
单  位：
浙江理工大学机械与自动控制学院
关键词：
水稻钵苗;旋转式移栽机构;动力学分析;椭圆齿轮-不完全非圆齿轮
摘  要：
针对一种创新设计的椭圆齿轮-不完全非圆齿轮行星系旋转式水稻钵苗移栽机构,运用动态静力学分析方法和动力学方程组序列求解法,建立机构的动力学模型,利用基于VB软件的动力学分析软件,计算得到机构各运动构件受力及运动副约束反力的变化曲线。搭建机构动力学试验台,开展机构空载动力学试验,测试得到机构在130、160、190 r/min 3种不同工作转速下的动力学特性,通过分析得出:移栽臂工作产生的振动是支座X向振动的主要因素,是支座Y向振动的非主要因素。同时验证了机构动力学模型的正确性,为机构的动力学性能优化提供了可靠模型和试验基础。
译  名：
Dynamics Analysis and Tests of Rotary Transplanting Mechanism for Rice Pot-seedling
作  者：
Ye Bingliang;Zhu Hao;Yu Gaohong;Gao Yang;Sun Liang;College of Machinery and Automation,Zhejiang Sci-Tech University;Zhejiang Province Key Laboratory of Transplanting Equipment and Technology;
关键词：
rice pot-seedling;;rotary transplanting mechanism;;dynamics analysis;;ellipse gears and incomplete non-circular gear
摘  要：
Dynamics analysis and relative tests were conducted for an innovatively designed rotary rice pot-seedling transplanting mechanism of planetary gear train with ellipse gears and incomplete noncircular gear. Based on the force analysis of each moving component in the transplanting mechanism with dynamic static analysis method,the dynamics equations in analytical form were established while the dynamics mathematical model of the mechanism was built. The order to solve the dynamics mathematical model of the mechanism was determined by using the dynamics equations sequence-solution method,then the variation law of force between various positions and the rotary angle of planetary carrier of the mechanism in a working cycle was obtained,with the use of a dynamics analysis software which was independently developed on the basis of Visual Basic software. Through the analysis of the mutation points and some key points of the variation curves and combining the working process of the mechanism,the causes of the force changes were explained in theory. Finally,dynamics test bench was built to carry out no-load dynamics tests to obtain dynamics characteristics of the mechanism with three different rotary speeds of 130 r / min,160 r / min and 190 r / min. At the same time,the correctness of dynamics model was verified through comparing test curves and theoretical curves. The study will provide a reliable dynamics model and test basis for the optimization of the dynamics performance and the improvement of the working performance of the mechanism.

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