小型手扶自走式棉田培土机的设计与试验  

Design and Experiment of Small Self-propelled Cotton Field Hillers

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作  者:杨庆璐 王学诗 范国强 张晓辉 太健健 Yang Qinglu;Wang Xueshi;Fan Guoqing;Zhang Xiaohui;Tai Jianjian;College of Mechanical and Electronic Engineering,Shandong Agricultural University;Shandong Provincial Key Laboratory of Horticultural Machinery and Equipment;Shandong Huaxing Machinery Co., Ltd;College of Engineering, China Agricultural University

机构地区:山东农业大学机械与电子工程学院 山东省园艺机械与装备重点实验室 山东华兴机械股份有限公司 中国农业大学工学院

出  处:《农机化研究》2019年第7期69-74,共6页Journal of Agricultural Mechanization Research

基  金:山东省现代农业产业技术体系棉花产业创新团队项目(SDAIT-03-09)

摘  要:针对棉田中耕培土机耕深不稳定、培土效果差、易损伤棉株等问题,结合农艺要求,设计了小型手扶自走式棉田培土机。通过理论计算与研究确定了整机动力等技术参数,同时对旋耕培土刀和行走轮进行了设计和改进,并运用有限元方法对培土刀和刀辊进行了静力学分析,确定了培土刀参数,提高了机器的碎土和抛土能力,其培土的深度和宽度均可调节,减少了对棉株的损害。试验表明:该机满足棉花培土作业的农艺要求,实现了棉田培土的机械化作业。Aiming at the problems of hillers such as instability of tilling deep,poor ridging effect and easy damage of cotton plant,the small self-propelled cotton field hillers was designed combination with agronomic requirements. Through the theoretical calculation and research,the technical parameters of the complete machine are determined. At the same time,the rotary blade and walking wheel were designed and improved. The static analysis of the rotary blade and the rotary roller is carried out by using the finite element method,and rotary blade parameters were determined. To improve the soil crushing and soil throwing capacity of the machine,the depth and width of soil ridge can be adjusted,reducing the damage to the cotton plant. The test shows that the machine to meet the agronomic requirements of cotton field operations,to achieve mechanized cotton field ridging operations.

关 键 词:培土机 棉花 自走式 旋耕 有限元分析 

分 类 号:S224.16[农业科学—农业机械化工程;农业科学—农业工程]

 

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