偏心齿轮-非圆齿轮行星系取苗机构的运动学建模与参数优化

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偏心齿轮-非圆齿轮行星系取苗机构的运动学建模与参数优化

叶秉良俞高红陈志威赵匀

浙江理工大学机械与自动控制学院,杭州310018

摘要:针对目前蔬菜移栽作业中半自动移栽机需要人工喂苗、工作效率低等缺点,以及日本自动移栽机的复杂结构、高制造成本和工作效率不高等问题,设计了一种应用于蔬菜钵苗自动移栽机的偏心齿轮-非圆齿轮行星系自动取苗机构。

在分析该旋转式自动取苗机构的结构特点和工作原理的基础上,建立了机构的运动学模型,开发了基于Visual Basic6.0的计算机辅助分析与优化软件对机构的结构参数进行优化。通过人机交互优化方法,得出了结构参数对取苗臂尖点运动轨迹和优化目标的影响规律,进而优化得到满足蔬菜钵苗自动取苗要求的机构结构参数。

运动学;模型;优化;蔬菜移栽机;取苗机构;偏心齿轮-非圆齿轮

10.3969/j.issn. 1002-6819.2011.12.002

S223.92A1002-6819(2011)- 12-0007-06

2011-03-252011-05-22

基金项目:国家自然科学基金项目(51175477);浙江省现代农业装备与设

施产业创新团队项目(2009R50001,2011R09001-11);浙江省自然科学基金

项目(Y1110691)

作者简介:叶秉良(1972-),男,浙江东阳人,副教授,博士生,研究方

向:机构创新、数值分析与综合。杭州浙江理工大学机械与自动控制学院,

310018。Email: zist _vbl@zstu.edu.cn.

通信作者:赵匀(1943-),男,教授,博士生导师,研究方向:机构

创新、数值分析与综合。杭州浙江理工大学机械与自动控制学院,310018。

Email: zhaoyun@zstu.edu.cn

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Kinematics modeling and parameters optimization of seedling pick-up mechanism of planetary gear train with eccentric gear and 

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Ye BingliangYu GaohongChen ZhiweiZhao Yun

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