喷雾机喷杆拉力测量试验-广东农业科学.PDF

广东农业科学 2014 年第 23 期 155 喷雾机喷杆拉力测量试验 1,2 1 1 管贤平 邱白晶 尹振华 1. 苏大学现代农业装备与技术教育部重点实验室袁 苏 镇 212013 曰 2. 东南大学复杂工程系统测量与控制教育部重点实验室袁 苏 南京 210096 冤 摘要 针对某水旱两用喷杆喷雾机喷杆连接件断裂问题袁开展喷雾机喷杆田间拉力测量试验遥 针对喷杆组件 结构和受力特点袁开发设计了喷杆拉力测量系统并进行静态标定遥 在田间设置喷雾机试验跑道袁分别进行 1.93尧1.42尧 0.90 m/s 3 种速度的喷杆拉力数据采集遥 结果表明袁最大拉力随喷雾机速度的 大而 大遥 基于耿贝尔极值理论袁对 3 种速度下的最大静态拉力进行推理袁3 种速度条件下最大拉力分别为 1 000 尧700尧500 N 遥 对采集数据进行频谱分 析袁发现喷杆拉力信号主要是 0~13 Hz 以内的低频信号遥 关键词 喷雾机曰 喷杆曰 拉力传感器曰 耿贝尔极值分布 中图分类号 S491 文献标识码 A 文章编号 1004-874X 2014 冤23-0155-06 Experimental study on sprayer boom tension measurement 1,2 1 1 GUAN Xian-ping 袁QIU Bai-j ing 袁YIN Zhen-hua 1. Key Laboratory of Mode rn A gric ultural Eq uipme nt and Tec hnology, Minis try of Educ ation, Jiangs u Univ e rs ity, Zhe nj iang 212013, China; 2. Key Laboratory of Meas ure me nt and Control of Comp lex Sys te ms of Enginee ring, Minis try of Educ ation, Southeas t Univ e rs ity , Nanj ing 210096, China冤 A bstract: Field experimental study on sprayer boom tension measurement was carried out due to the boom connector fracture problem of the amphibious boom sprayer. T he sprayer boom tension measurement system was developped according to the boom assembly structure and force characteristics, and the static calibration of tension sensors was carried out. The sprayer runway was set in the field, then