向日葵物料在联合收割机脱粒分离装置工作间隙内运动速度的理论研究

S. Kustov, S. Stepanenko, A. Kuzmych
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引用次数: 0

摘要

AnnotationPurpose。改进了向日葵物料颗粒在联合脱粒分离装置工作间隙内运动的数学描述。在分析向日葵物料颗粒相对于选粉机闭式滚筒表面运动动力学的基础上,进行了理论研究。用数学方法描述了向日葵物料在闭式滚筒选机脱粒分离装置工作间隙内的运动。建立了物料颗粒运动速度与物料进给初始速度的关系。建立了颗粒速度与选择联合收割机封闭式滚筒半径的关系。得到了向日葵物料在闭式滚筒作用下的质量运动速度与物料摩擦系数的关系。得到了向日葵物料在精选收获机脱粒装置工作间隙内质量运动速度的理论依赖关系,为封闭式脱粒鼓的合理设计和工艺参数的确定提供了依据。关键词:闭式滚筒,速度,运动,摩擦系数,地块联合收割机,向日葵。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Theoretical studies of the movement speed of the sunflower material in the working gap of the threshing-separating device of the plot combine
Annotation Purpose. Refinement of the mathematical description for calculating the movement of particles of sunflower material in the working gap of the threshing-separating device of the plot combine. Methods. Theoretical studies were carried out on the basis of the analysis of the dynamics of the movement of particles of sunflower material relative to the surface of a closed-type drum of a selection combine. Results. A mathematical description of the movement of particles of sunflower material in the working gap of the threshing-separating device of a selection combine with a closed drum is given. The dependence of the speed of movement of material particles on the initial speed of material feeding has been established. The dependence of the particle velocity on the radius of the closed-type drum of the selection combine has been established. The dependence of the speed of movement of the mass of sunflower material under the action of a closed-type drum of a selection combine on the coefficient of friction of the material is obtained. Conclusions. The obtained theoretical dependences of the speed of movement of the mass of sunflower material in the working gap of the threshing device of the selection harvester make it possible to substantiate the rational design and technological parameters of the closed-type threshing drum. Keywords: closed drum, speed, movement, coefficient of friction, plot combine, sunflower.
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