中国农业大学学报2025，Vol.30Issue(5)：201-213,13.DOI:10.11841/j.issn.1007-4333.2025.05.17
曲柄摇杆-钉齿输送协同铺设草方格装置设计与试验
Design and test of crank-rocker-peg-tooth conveyor synergistic grass-square-laying device
摘要
Abstract
To solve the problem of the poor effect of the existing straw square lattice sand barrier dispersing and conveying device with loose long grass as the raw material and uneven straw laying,combined with the characteristics of straw and multi-stage crank dispersing mechanism force,the structural parameters are specified,the factors affecting the performance of dispersing and laying for the crank radius,crank rotation speed and grass clearance are clarified,and the ranges of values are determined by using a single-factor test.Using the EDEM-RecurDyn coupling method,the response surface optimization test is carried out by exploring the changing rules of straw micro-motion and force with straw laying quality uniformity and sand barrier porosity as test indexes,and crank speed,crank radius and grass clearance as test factors.The results show that the optimal parameter combination is as follows:the crank speed of 200 r/min,crank radius of 44 mm,toggle clearance of 48.6 mm,strw quality uniformity of 88.8％,sand barrier porosity of 25％,field test straw quality uniformity average value of 86.96％,sand barrier porosity of 26.05％.The combination meets the requirements of the mechanized paving of grass square grid.关键词
草方格/铺设机构/柔性秸秆/响应面优化Key words
grass square/laying mechanism/flexible straw/Response surface optimization分类
农业科技引用本文复制引用
余伟军,孙步功,祁渊,张鹏,徐先英,马新兵..曲柄摇杆-钉齿输送协同铺设草方格装置设计与试验[J].中国农业大学学报,2025,30(5):201-213,13.基金项目
甘肃省重大科技计划项目(21ZD4FA010) （21ZD4FA010）
