自走式三七联合收获机液压系统设计与试验研究
李漫漫,杨全合,解开婷,王媛,徐东辉,张兆国

Design and experimental study of hydraulic system of self-propelled Panax notoginseng combine harvester
Manman LI,Quanhe YANG,Kaiting XIE,Yuan WANG,Donghui XU,Zhaoguo ZHANG
图5 一级升运链驱动液压泵的输入扭矩曲线
Fig.5 Input torque curves of hydraulic pump driving first-stage lifting chain