勺轮式玉米精密排种器设计与参数分析

Design and Parameter Analysis of the Precision Spoon-wheel Seedmeter for Corn

勺轮式排种器广泛应用于玉米精密播种机,其排种均匀性直接影响播种质量。为此,介绍了勺轮式排种器的结构和工作原理,进行了结构和运动参数的优化,分析了舀种区、淸种区、递种区、护种区和投种区位置和大小对排种均匀性的影响,确定了隔板递种起始角和终止角的大小以及进种口的位置和尺寸。该研究可为勺轮式排种器的使用和调整提供依据。

Spoon-wheel seedmeter is widely used in corn precision seeding machine; its seed sowing uniformity directly affects the quality of sowing seeds. This article describes the structure and working principle of spoon-wheel seedmeter,conducts the optimization of the structure parameters and the movement parameters,analysis the influence on seeding uniformity by the position and size of different area of its working process： spooning,eliminating,delivering,protecting and releasing. Bulkhead was determined to pass for starting angle and termination angle,and the position and size of the entrance of seed has been determined,it provide the basis for design and adjustment of the scoop-wheel seedmeter.