可调行距高速插秧机移箱机构优化设计  

Optimal Design for Seedling Box Mover of Space-adjustable High Speed Rice Transplanter

作　　者：熊玮[1] 朱德泉[1,2] 王延庆 武立权[2] 蒋锐 

机构地区：[1]安徽农业大学工学院,合肥230036 [2]安徽省粮食作物协同创新中心,合肥230036

出　　处：《农机化研究》2016年第9期165-170,共6页Journal of Agricultural Mechanization Research

基　　金：国家农业科技成果转化项目(2014C30000162);"十二五"农村领域国家科技计划课题(2011BAD16B06)

摘　　要：移箱机构是可调行距高速水稻插秧机的重要部件,其工作可靠性直接关系到栽植臂的取秧量,对整个插秧机工作性能有着重要影响。为此,通过对现有移箱机构的研究与分析,设计一种可调行距高速水稻插秧移箱机构。运用三维软件对转子和螺旋轴等核心零部件进行实体建模,通过动力学分析软件对其进行虚拟仿真,得出转子与不同过渡曲线的螺旋轴在运动过程中的接触力曲线图,并运用有限元分析软件对正弦过渡曲线的螺旋轴进行强度校核。最后运用多学科优化方法对移箱机构转子进行优化。结果表明:优化后的转子最大应力降低2 1.8%,移箱机构满足可调行距高速水稻插秧机工作性能要求。The seedling box mover is an important part of space-adjustable high speed rice transplanter and its operation-al reliability influences the pinching amount of planting arms and working performances of the transplanter.The existing seedling box mover was researched and analyzed to design a new seedling box mover for space-adjustable high speed rice transplanter.Core components such as rotor, sliding sleeve and screw shaft were modeled by three-dimension software and were simulated virtually by dynamic software to obtain the contact force curves between the rotor and the screw shaft with different transition curves.The screw shaft with sine transition curve was analyzed by finite element analyzing soft-ware.The rotor of seedling box mover was optimized by multidisciplinary design optimization method eventually.The re-sult showed that the maximum stress of optimized rotor has reduced 21 .8%and optimized seedling box mover has met the performance demand of space-adjustable high speed rice transplanter.

关 键 词：可调行距 移箱机构 虚拟仿真 多学科设计优化 

分 类 号：S223.91[农业科学—农业机械化工程]