农机化研究2025，Vol.47Issue(9)：251-260,10.DOI:10.13427/j.issn.1003-188X.2025.09.033
履带式果园对靶仿形施药机设计与试验
Design and Experiment of Tracked Orchard Target Alignment and Profiling Sprayer Machine
摘要
Abstract
To meet the precise spraying agronomic requirements of standardized orchards in hilly areas,and address the issues of high labor intensity,large amount of spraying liquid,poor atomization performance,and environmental pollution in traditional spraying operations,a tracked orchard target alignment and profiling sprayer was designed.To adapt fruit trees with different characteristics,the sprayer can adjust spraying distance and height under the action of lifting and o-pening mechanism.Adjustable array ultrasonic sensors were used to detect the distance between the crown detection mod-ule and the surface of the fruit tree canopy.From the results of indoor motion characteristic test,the maximum displace-ment error rate of each mechanism was not higher than 0.20%,and the motion time error rate was lower than 4.79%.The response speed and stability met the requirements for target contouring motion.The results of outdoor fogging effect test showed that at a working speed of 0.5 m/s,the droplet density of fixed continuous spraying and target alignment and profiling spraying reached 53.6/cm2 and 78.2/cm2,all of them were achieve the requirements of pest control standards.However,compared with fixed continuous spraying,the coverage rate of target-shaped spraying increased by 20.6%.In terms of liquid dosage,the average dosage of fixed continuous application and target-specific contour application was 15.5 L and 11.47 L,with 26%reduction in target alignment and profiling.This research can provide new equipment for the prevention and control of fruit tree diseases and pests,also provide a structural basis and theoretical method reference for the next step of precise variable application methods research.关键词
标准化果园/施药机/精准施药/对靶仿形/树冠探测Key words
standardized orchard/sprayer/precise spraying/target alignment and profiling/crown detection分类
农业科技引用本文复制引用
董继伟,潘良,曹中华,湛小梅,李亚丽,孙志强,刘汶树,任桂英..履带式果园对靶仿形施药机设计与试验[J].农机化研究,2025,47(9):251-260,10.基金项目
重庆市农业技术创新项目(2022-2023) （2022-2023）
重庆市农业科学院市级财政科研项目(cqaas2023sjczqn023) （cqaas2023sjczqn023）
