智能化农业装备学报（中英文）2025，Vol.6Issue(2)：88-96,9.DOI:10.12398/j.issn.2096-7217.2025.02.008
基于ADAMS的榨菜联合收获机拔取装置动力学仿真分析
Simulation analysis of mustard combine harvester extraction device based on ADAMS
摘要
Abstract
To address challenges associated with inconsistent lodging degree and the irregular corm size during the harvest of tumorous stem mustard,which is difficult to determine the optimal harvesting forces,a specialized combine harvester was designed based on the special growth traits of this crop.An innovative harvesting methodology,involving initial pulling followed by root cutting,was adopted,and the dynamic simulation analysis of the key pulling device was carried out.Based on the analysis of the harvest process of mustard tuber and its stress state,the interaction force between the V-shaped cone roller of the extraction device and the mustard tuber was studied in detail.Static friction,elastic restoring force,and dynamic friction force at different stages of the plucking process were mathematically derived,so as to establish the dynamic model for corm extraction.To comprehensively analyze the interaction between the extraction device and the mustard tuber,and further optimize the key parameters of the device,a three-dimensional model of the mechanism was established using SolidWorks,subsequently simplified and imported into ADAMS software for dynamic simulation.Considering the application points and magnitudes of forces experienced by the mustard corm during extraction,a bushing force element was employed in simulate to represent the flexible connection between the tuber(modeled as a non-rigid body)and its root.This approach enabled the construction of a rigid-flexible coupling model representing the interaction between the mustard and the combine harvester's pulling device.Taking the pull-out force as the primary performance metric,the performance simulation tests of the pull-out process were carried out by selecting the opening spacing of the pull-out roll,the rotation speed of the pull-out roll and the driving speed as the test factors.The influence of different operating parameters on the pull-out force exerted by the pull-out device was elucidated.Analysis of the simulation results indicated no obvious linear relationship between the opening spacing of the pulling roller,the rotation speed and the extraction force.Furthermore,the stability of the extraction force was observed to decreases with the increases in both the opening spacing and the driving speed of the machine.The working efficiency of the extraction device decreases with an increase in opening spacing,and was found to be largely independent of the pulling rollers'rotational speed.The range analysis of the test results identified the optimal working parameter combination of the extraction device as:the opening spacing of the extraction roller 45 mm,the rotation speed of the extraction roller 120 r/min,and the driving speed 1.0 km/h.Under these conditions,the extraction force was the largest,the maximum value 487.2 N.The research results provide theoretical support for the design and optimization of the mustard combine harvester.关键词
榨菜联合收获机/拔取装置/刚柔耦合模型/动力学仿真分析Key words
mustard combine harvester/extraction device/rigid-flexible coupling model/dynamic simulation analysis分类
农业科技引用本文复制引用
周冉,宋志禹,金月,蒋清海..基于ADAMS的榨菜联合收获机拔取装置动力学仿真分析[J].智能化农业装备学报（中英文）,2025,6(2):88-96,9.基金项目
江苏省现代农机装备与技术示范推广项目(研究开发类项目)(NJ2023-08) （研究开发类项目）
余姚市科技计划项目(JHNS20210305) （JHNS20210305）
中国农业科学院创新工程果蔬茶收获技术装备创新团队 Demonstration and Extension Project of Modern Agricultural Machinery Equipment and Technology in Jiangsu Province(Research and development projects)(NJ2023-08) （Research and development projects）
Science and Technology Plan Project of Yuyao City(JHNS20210305) （JHNS20210305）
the Innovation Project of the Chinese Academy of Agricultural Sciences(Fruit,vegetable and tea harvest-ing technology and equipment innovation team) （Fruit,vegetable and tea harvest-ing technology and equipment innovation team）
