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Analysis and Optimization of Driving Performance for Tree Transplanting Machine in Hilly Mountainous Areas

文献类型： 外文期刊

作者： Chen, Yexin 1 ; Zhu, Jianxi 4 ; Yao, Liwen 1 ; Yang, Zidong 1 ; Hu, Zhongqiang 5 ; Xu, Lijun 1 ; Yao, Lijian 1 ;

作者机构： 1.Zhejiang A&F Univ, Coll Opt Mech & Elect Engn, Hangzhou 311300, Peoples R China

2.Natl Engn Technol Res Ctr State Forestry & Grassla, Hangzhou 311300, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Agr Equipment Hilly & Mountainous Areas So, Hangzhou 311300, Peoples R China

4.Zhejiang Acad Agr Machinery, Jinhua 321051, Peoples R China

5.Zhejiang Sifang Co Ltd, Jinhua 321300, Peoples R China

关键词： tree transplanting machine; stability; passability; RecurDyn dynamics simulation; structural optimization

期刊名称：FORESTS （ 影响因子：2.5； 五年影响因子：2.7 ）

ISSN：

年卷期： 2024 年 15 卷 12 期

页码：

收录情况： SCI

摘要： A structural optimization scheme for the prototype is proposed to improve the driving performance of tree transplanting machines operating in hilly and mountainous environments. Through theoretical analysis of the tree transplanting machine's stability and passability, we determined the relationship between the center of gravity offset distance and overall performance when climbing slopes and crossing steps and trenches. This analysis determined the optimal parameter for the center of gravity offset distance. Subsequently, the prototype structure was optimized, and the center of gravity position was adjusted accordingly. The stability and passability of the prototype were simulated using the multi-body dynamics analysis software RecurDyn V9R4. Finally, the driving performance of the optimized prototype is evaluated through extensive tests. The test results revealed that the optimized prototype achieves the maximum lateral travel and longitudinal climbing angle of more than 30 degrees, the maximum height over steps of 330 mm, and the maximum width across trenches of 890 mm. The outcomes of the real-vehicle tests are largely consistent with the simulation results, and the test outcomes meet the driving performance requirements for transplanting operations in hilly and mountainous terrains.

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