花生分段收获挖掘铲力学模型及试验分析  

Mechanical Model and Experimental Research of Peanut Harvest Digger Blade

作　　者：王冰[1] 胡志超[1] 周德欢 彭宝良[1] 陈友庆[1] 

机构地区：[1]农业部南京农业机械化研究所,南京210014

出　　处：《农机化研究》2017年第10期58-62,共5页Journal of Agricultural Mechanization Research

基　　金：中国农业科学院创新工程(2013-2015;2016-2020);国家花生产业技术体系(CARS-14)

摘　　要：为优化花生收获挖掘铲的结构参数,对花生收获挖掘铲进行受力分析,并建立工作状态的力学模型,研究各个参数的变化对受力状况的影响,找出对工作阻力具有影响的参数和薄弱部位。通过田间试验,对力学模型进行验证,结果表明:影响工作阻力的参数有犁面与地面的夹角、犁面的开度角、前失效角的倾角及土壤重力,犁柱截面C为薄弱部位,力学模型与收获挖掘铲的受力状况基本相符。For optimizingstructure parameters of peanut harvest digger blade,force analysis of peanut harvest digger blade 〈br〉 was conducted,and mechanical model at working condition was established,influences of various parameters changes on force condition were studied, the influencing parameters and the weak parts of share shaft on working resistance were found out. In order to ensure the accuracy of the mathematical model and the reliability of the simulated results,the real field experiments were also carried out to confirm the established force mathematical model. The results proved that the parameters which affect the effective resistance were included angle between plough wall and ground,plough wall opening angle,the dip of front failure angle,soil gravity,share shaft section C is the weak position. The mathematical model could reflect the harvest digger blade’ s real force conditions.

关 键 词：花生 分段收获 挖掘铲 数学模型 

分 类 号：S225.73[农业科学—农业机械化工程]