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15 升降液压缸的收回速度与位移曲线

Fig.15 Retraction speed and displacement curves of lifting hydraulic cylinder