摘要
锹片是植物苗移栽机的重要零部件之一,其自身的厚度、大小和不同区域的分布情况都会对植物苗移栽机的使用和消耗造成一定的影响。锹片在使用过程中需要承担对土壤进行切割的阻碍力,其质量将影响着对土壤进行切割的能量消耗。为此,从植物苗移栽机的工作性能和特点出发,对锹片的受力情况进行分析,并根据实际需求进行力学模型重建。土壤中含有一种具有优越挖掘才能的动物布甲,根据布甲的外形条件,模仿生产出了一种表面不同于以往的非光滑的仿生锹片。根据物理模拟软件,将传统的锹片与仿生锹片进行各项值指标记录和分析。根据实验可以得出锹片切割最适宜的角度为83°,而在一样的土壤环境和锹片组织当中,仿生锹片能达到最佳切割效果的参数分别是外部凸起直径15mm、凸起的中心距为29mm及凸起的高度为5mm。对于实验得到的仿生锹片按照最好的参数指标调整,安装在植移栽机上,并与传统锹片的切割效果进行对比研究,结果表明:仿生锹片比传统锹片能降低12%的阻力,且有效改善移栽机在使用过程中由于对地面的切割阻碍力而导致的能源消耗严重的情况。
As for spade,it is a major component of plant seedling transplanter.According to its size,shape,size and number dispersion,it plays a decisive role in the excavation function of the transplanter and the energy consumption of the whole equipment.In order to reduce the hindrance and energy consumption of the whole equipment in the process of cutting soil,this paper will study the stress of the spade and set up a mechanical model according to the working performance and characteristics of the plant seedling transplanter.According to the physical dynamics software ANSYS/LS-DYNA,the original spade and the bionic spade cutting stage were numerically improved.According to the numerical simulation of the original spade,the best spade cutting angle was 83 degrees.In the same spade tissue and soil environment,the spade cutting angle was determined to be 83 degrees.The best parameters of the bionic spade sheet obtained by numerical perfection are that the diameter of the bulge is 15_,the center distance of the bulge is 29_,and the height of the bulge is 5_.For the best parameters of the bionic spade,and the device in the transplanter to carry out a comparative study of the original shape spade and bionic spade,found that bionic spade can reduce obstacles by 12%.This experiment also successfully confirmed that bionic non-smooth spade has better characteristics of reducing obstacles,and can lay a good foundation for all energy saving and reducing consumption.
作者
曹孟陬
张正烨
徐海波
Cao Mengyi;Zhang Zhengye;Xu Haibo(University of Mupu,Mupu Korea;Yangzhou Industrial Vocational and Technical College,Yangzhou 225127,China;Guangdong Institute of Technology,Zhaoqing 526100,China)
出处
《农机化研究》
北大核心
2020年第12期85-90,共6页
Journal of Agricultural Mechanization Research
基金
广东省科学技术厅自筹经费类科技计划项目[2017ZC0487]。
关键词
植物苗移栽机
仿生锹片
园林
plant seedling transplanter
spade device
bionic spade
