Optimization and field experiment of an adjustable device for sugar beet digger

作     者：Fangyan Wang 

作者机构：College of Mechanical and Electrical EngineeringQingdao Agricultural UniversityQingdao 266041China 

出 版 物：《International Journal of Agricultural and Biological Engineering》 (国际农业与生物工程学报（英文）)

年 卷 期：2021年第14卷第6期

页      面：68-74页

核心收录：

学科分类：081406[工学-桥梁与隧道工程] 08[工学] 0814[工学-土木工程] 082301[工学-道路与铁道工程] 0823[工学-交通运输工程] 

基　　金：sponsored by National Natural Science Foundation of China(51505246,51775290) the National Key Research and Development Program of China(2016YFD0701200) 

主　　题：sugar beet excavation harvest parameter optimization 

摘      要：The harvesting operation,which affects the energy consumption and application performance,usually determines the harvesting effect and production quality of the *** adjustable sugar beet excavation device was designed to put the excavation equipment into practice by reducing harvest *** device is composed of an excavation disc,hub,pedestal,threaded rod,adjustable nut,boom,mounting seat,leak proof disc,*** theoretical analysis,it was found that the excavation disc and the adjustment mechanism,which determine the excavation space and loading condition of the device,are important to the excavation *** parameters of the excavation disc were selected according to the growth status of sugar beet and the requirements of excavation space,with 340 mm as the radius of the excavation disc and 7.5°as the edge angleθ.The adjustment mechanism parameters were selected to change the operating parameters(inclination angleβand deflection angleγ)*** the theoretical and experimental preliminary research,the key components structure and parameters of the excavation device were *** Central Composite Design(CCD)method,the regression equation was established,with rotation angleα,opening angleεand excavation depth h as factors,and break rate,loss rate and excavation resistance as performance *** influence of factors on performance indexes was *** optimized parameter combination is:35.37°of rotation angle,15.08°of opening angle and 135.20 mm of the excavation *** verified that the adjustable excavation device worked stably and achieved smooth excavation without *** test indexes improved,with 0.6%of break rate,1.1%of loss rate and 2312.8 N of the excavation *** satisfied the requirement for beet harvest quality,and is roughly consistent with the optimization *** research results can provide reference for the research on mechanized harvesting technology and equipment of sugar beet.