组合内窝孔精密排种器护种和投种过程分析  

Theoretical Analysis of Seeds Retaining and Dropping Process in Precision Metering Device with Concave Metering Inner cell

作　　者：于建群[1] 马成林[1] 张格[1] 

机构地区：[1]吉林大学农业工程学院,长春市130025

出　　处：《农业机械学报》2001年第4期28-30,共3页Transactions of the Chinese Society for Agricultural Machinery

基　　金：国家"九五"重中之重科技攻关项目 (项目编号 :95 0 0 10 3招标 0 4);吉林省科技发展计划项目 (项目编号 :970 5 16 )资助

摘　　要：通过对组合内窝孔精密排种器护种和投种过程进行分析 ,探明护种和投种过程中种子的运动规律、机理及其影响因素 ,为系统建立该排种器的设计理论。A new type of vertical plate metering device filling in inside, i.e., precision metering device with concave metering inner cells was developed, authorized by a national patent and manufactured in four factories. The theoretical analysis and experimental research showed that the main influencing factors of seeds varying size and the vertical plate rotating speed are the clearing performance of the device. The moving trajectories, mechanisms and effective factor of seeds were clarified by theoretical analysis of seeds retaining and dropping process. The position and size of dropping hole, discharging pout, retaining inner ring were determined.

关 键 词：组合内窝孔排种器 护种 投种 精密播种 种子运动分析 

分 类 号：S223.23[农业科学—农业机械化工程]