国内外几种主要排种器的特点

摘要

排种器是决定播种机特性和工作性能的核心部件。简述国内外排种器的分类,介绍外槽轮式排种器、圆盘式排种器、气吸式排种器、气吹式排种器等目前几种主要排种器的性能及结构特点,分析排种器研制现状,探讨排种器的研究发展方向。%Seed-metering device is a core part of planter which may determines its characteristics and work performance.This article summarizes the categories of seed-metering devices at home and abroad as well as the performance and structural characters of several seed-metering devices.The author also examines the present state of the research on seed-metering device and its future development.