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混合齿轮行星系分插机构的设计与仿真

  

  • 出版日期:2015-08-28 发布日期:2015-08-04

Design and Simulation of Transplanting Mechanism with Planetary Spur Gears and Non-Circular Gear

  • Online:2015-08-28 Published:2015-08-04

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摘要： 将偏心齿轮-非圆齿轮行星系应用于插秧机分插机构中，研制出混合齿轮行星系分
插机构。建立偏心齿轮与非圆齿轮的节曲线数学模型，获取齿轮节曲线方程，并结合KISSSOFT
和MATLAB 软件对非圆齿轮进行设计。建立分插机构运动数学模型，利用MATLAB 开发优化
辅助软件，对分插机构的参数进行优化。完成了分插机构的三维CAD 设计，并在ADAMS 中
对分插机构进行了运动学虚拟仿真，获取了秧针尖点的静态轨迹和动态轨迹，将其与理论分析
得到的轨迹曲线进行对比，验证了混合齿轮行星系应用于插秧机分插机构上的可行性。

关键词: 分插机构, 非圆齿轮, 行星轮系, 设计, 仿真

Abstract: Transplanting mechanism with planetary spur gears and non-circular gear was developed,
in which planetary gear train with eccentric gears and non-circular gear is used. The mathematical
model of eccentric gear and non-circular gear′s pitch curve was established and the gear pitch curve
equation was obtained. Combining the KISSSOFT with MATLAB software to design the non-circular
gear, kinematic models of the transplanting mechanism are established, and optimized the parameters
of the mechanism by using self-compiled packages based on MATLAB. Virtual prototype simulation
in ADAMS was performed after finishing the 2D and 3D design of the transplanting mechanism. The
static trajectory and dynamic trajectory of the needle tip are obtained, and compared these with those
of theoretical analysis. The results verify the feasibility of transplanting mechanism with planetary
spur gears and non-circular gear which was applied on transplanter.

Key words: transplanting mechanism, non-circular gear, planetary spur gears, design, simulation