农业机械学报2017，Vol.48Issue(2)：110-116,7.DOI:10.6041/j.issn.1000-1298.2017.02.015
芦蒿有序收获机切割器动力学仿真与试验
Dynamic Simulation and Experiments on Artemisia selengensis Orderly Harvester Cutter
摘要
Abstract
As one of the most important working components of harvester,the cutting performance of cutter directly affects the quality of crops harvest and the subsequent transportation effectiveness.The reciprocating cutter structural parameters of the self-designed Artemisia selengensis orderly harvester and the physical parameters of Artemisia selengensis were studied,the three-dimensional entity model of cutter and flexible simplified model of crop stem were built by software Pro/E,and the coupled dynamics simulation analysis was proceeded through dynamic analysis software ADAMS according to the parameters acquired.The cutting speed vg,cutting angle α and working speed vm of the cutting system were selected as factors,the cutting force F and recutting ratio γ were selected as evaluating indicators to design a virtual orthogonal experiment with three factors and three levels.The response surface methodology (RSM) regression analysis and variance analysis were applied to analyze the results,and compared with the test results of field experiment.The results showed that RSM optimum combination was vg =1.6 m/s,α=15°,vm =1.0 m/s,cutting force F and recutting ratio γ were effectively reduced with this combination,the comparison results showed that the cutting force error was less than 10.9％ and the recutting ratio error was 11.3％,indicating the effectiveness of the simulation analysis and regression forecasting model.The study illustrated that the reciprocating cutter designed could satisfy the demands of Artemisia selengensis orderly harvest,and had a certain reference value.关键词
芦蒿/有序收获机/往复式切割器/虚拟样机/动力学仿真Key words
Artemisia selengensis/orderly harvester/reciprocating cutter/virtual prototype/dynamic simulation分类
农业科技引用本文复制引用
施印炎,陈满,汪小旵,章永年,ODHIAMBOMoriceOluoch..芦蒿有序收获机切割器动力学仿真与试验[J].农业机械学报,2017,48(2):110-116,7.基金项目
江苏省农机三新工程项目(NJ2014-08)、江苏省科技支撑项目(BE2015334)和江苏省农业科技自主创新资金项目(CX(15)1033) （NJ2014-08）
