基于AMESim采棉机采摘头高度调节装置的仿真分析

doi:10.3969/j.issn.1671-7775.2023.03.008

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摘要针对采棉机采摘头在田间进行采收作业时不能及时有效跟随地面高度起伏状况变化进行自动调节的问题，研究设计了一种采棉机采摘头地面高度调节装置，其关键部件包括仿形机构、升降机构和液压控制系统.通过理论分析得出液压油缸在运动的全过程中所受到的最大推力为62 28856 N，根据升降机构运动条件得到液压系统的各参数，并基于AMESim仿真软件建立了高度调节装置的升降机构和液压系统的模型，对仿真后采摘头高度调节装置液压系统的流量、位移、速度、活塞杆的受力和升降机构的运动特性进行分析.研究结果显示，仿真结果与理论分析相一致，满足采摘头高度调节工作的需求且验证了理论计算的准确性.

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	董剑豪
	于爱婧
	李文春
	毕新胜
	李娟娟
	谭菲

关键词 ：采棉机, 仿形机构, 高度调节, 升降机构, 采摘头

Abstract：To solve the problem that the picking head of cotton picker could not adjust automatically according to the fluctuation of the ground height in time, a ground height adjusting device for the picking head of cotton picker was designed. The key components of the device was composed of copying mechanism, lifting mechanism and hydraulic control system. Through theoretical analysis, the maximum thrust of the hydraulic cylinder in the whole process of motion was 62 28856 N, and the parameters of the hydraulic system were obtained according to the motion conditions of the lifting mechanism. The model of the lifting mechanism and the hydraulic system of the height adjustment device was established based on the AMESim simulation software. After the simulation, the flow, displacement, speed, the force of piston rod and the motion characteristics of the lifting mechanism of hydraulic system of the height adjustment device of picking head were analyzed. The results show that the simulation results are consistent with the theoretical analysis to meet the requirements of the height adjustment of the picking head， and the accuracy of the theoretical calculation is verified.

Key words： cottonpicking machine copying mechanism height adjustment lifting mechanism picking head

基金资助:兵团重点领域创新团队建设计划项目(2019CB006)；兵团中青年科技创新领军人才计划项目(2019CB013)

作者简介: 董剑豪(1994—),男,辽宁铁岭人,硕士研究生(1393417934@qq.com),主要从事机械工程领域的研究. 毕新胜(1974—),男,河南镇平人,教授(通信作者,bxs_mac@shzu.edu.cn),主要从事现代农业机械设计及理论的研究.

引用本文:

董剑豪，于爱婧，李文春，毕新胜，李娟娟，谭菲. 基于AMESim采棉机采摘头高度调节装置的仿真分析[J]. 江苏大学学报（自然科学版）, 2023, 44(3): 302-308. DONG Jianhao, YU Aijing, LI Wenchun, BI Xinsheng, LI Juanjuan, TAN Fei. Simulation analysis of picking head height adjustment device of cotton picker based on AMESim[J]. Journal of Jiangsu University(Natural Science Eidtion) , 2023, 44(3): 302-308.

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http://zzs.ujs.edu.cn/xbzkb/CN/10.3969/j.issn.1671-7775.2023.03.008 或 http://zzs.ujs.edu.cn/xbzkb/CN/Y2023/V44/I3/302

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