电动助力式螺旋条施机控制系统的设计  

Design of Motor-driven Screw Banding Fertilizer Applicator

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作  者:李晓贤 赵进 任震宇 陈昶 何培祥 Li Xiaoxian;Zhao Jin;Ren Zhenyu;Chen Chang;He Peixiang;College of Engineering and Technology,Southwest University

机构地区:西南大学工程技术学院

出  处:《农机化研究》2019年第8期94-97,102共5页Journal of Agricultural Mechanization Research

基  金:中央高校基本业务费专项(XDJK2017D193)

摘  要:在西南山地丘陵地区,田地施肥多人工撒施或使用小型施肥机,存在劳动强度大、均匀性差等问题。为了减小劳动强度、提高施肥效率及均匀性,设计了一种电动助力式螺旋条施机,该条施机整机由控制系统、螺旋式排肥机构、速度检测机构和机架四大部分组成。控制系统根据施肥量设置值和轮速信号控制步进排肥电机执行动作,从而实现精量均匀施肥。试验结果表明:当设定施肥量一定时,条肥机行走距离与排肥机构排肥量成线性关系。该条施机可降低劳动强度、提高施肥效率和农业机械的机电一体化程度。In the hilly areas of Southwest China,there are many problems such as large labor intensity and poor uniformity due to manual fertilization or small-scale fertilizer application. In order to reduce labor intensity,improve fertilizer efficiency and uniformity,a motor-driven screw banding fertilizer applicator is designed. The banding fertilizer applicator consists of electric power servomechanism,vertical screw fertilizer mechanism,the walking wheel velocity detecting device and control system. According to the walking speed detected by speed detector device,combined with the amount of fertilizer currently in place,control system controls the speed of the stepping motor,then achieves the purpose of precision fertilization. Test results show that when the amount of fertilizer is set,fertilizer quantity and drill walking distance is linear. The banding fertilizer applicator reduces the labor intensity,improves the efficiency of fertilization and the degree of mechatronics of agricultural machinery.

关 键 词:条施机 控制系统 电动助力式 机电一体化 

分 类 号:S224.2[农业科学—农业机械化工程;农业科学—农业工程]

 

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