On the basis of research on com harvesters at home and abroad, a double head of picker and forage for sell-walk corn harvester should be designed.

• 在国内外玉米联合收获机研究的基础上，设计研制出一种用于自走式玉米联合收获机上集果穗和茎秆同时收获的复式玉米联合收获台。