农机化研究2025，Vol.47Issue(3)：146-155,10.DOI:10.13427/j.issn.1003-188X.2025.03.022
固体颗粒撒施无人机槽轮结构优化设计与试验
Structural Optimization Design and Test of Groove Wheel Apparatus for Solid Particle Spreading UAV
摘要
Abstract
Aiming to solve problem of unstable fertilizing performance caused by high pulsation of groove wheel type fer-tilizer apparatus at low speed,to meet with stabilize and variable rate fertilizer discharging requirements of unmanned aer-ial vehicle(UAV).The optimization design and research of key component parameters of fertilizer apparatus were carried out,and nine kinds of groove shapes and spiral angle of fertilizing groove wheel were designed and compared.Discrete el-ement method(DEM)was used to simulate fertilizing range and stability of fertilizer discharge for each groove wheels.Interactive test and orthogonal test were conducted,and interaction between the section shape and helix angle of the groove wheel was clarified.Results of the orthogonal test showed that the rotation speed and the helix angle of the groove wheel significantly influence to the fertilizing stability.Finally,optimized combination of the structural parameters for the groove section shape and helix angle were determined as eccentric type and 60 degrees,respectively.To verify correct-ness of simulation and the stability of fertilizing performance,bench test was designed and conducted.The results showed that the groove wheel rotation speed and fertilizing rate had a high linearity,compared with the average fertilizing rate measured by bench test and simulation test,and the average relative deviation was 5.32%.Also,the section shape of the groove wheel and the helix angle of the groove showed significant effects on the fertilizing rate variation coefficient,and the fertilizing rate variation coefficient at different rotation speeds was all less than 1.20%for groove wheels under the optimized parameters,satisfied with requirements of UAV-based fertilization.关键词
无人机/追肥/排肥器/槽轮参数/优化设计Key words
unmanned aerial vehicle/topdressing/fertilizer apparatus/groove wheel parameters/optimal design分类
农业工程引用本文复制引用
韩玉宝,姬江涛,张瑞瑞,张林焕,贺智涛,陈立平,伊铜川,吴明齐,高亮亮..固体颗粒撒施无人机槽轮结构优化设计与试验[J].农机化研究,2025,47(3):146-155,10.基金项目
南京市企业院士工作站关键核心技术攻关项目(2021-2023) （2021-2023）
现代农业产业技术体系专项(CARS-03) （CARS-03）
北京市农林科学院杰出科学家培育专项(JKZX202205) （JKZX202205）
青年北京学者专项(2023) （2023）
