Design and experimental study of hydraulic system of self-propelled Panax notoginseng combine harvester
Aiming at the problems of high labor intensity,low efficiency and high cost of Panax notoginseng harvesting in hilly and mountainous areas,the hydraulic system of the self-propelled Panax notoginseng combine harvester was studied.Firstly,the hydraulic system of the key working components of the whole machine was theoretically analyzed,calculated and designed,and the selection for hydraulic components was completed.Then,the hydraulic system simulation model was established by AMESim software,and the simulation analysis for the working state of each hydraulic component was carried out to verify the feasibility of the hydraulic system design scheme.Finally,a prototype was manufactured and the field test was carried out to test the working performance of the hydraulic system of the whole machine.The test results showed that the average speed deviations of the hydraulic motors driving the first-stage lifting chain,the vibrating wheel,the second-stage lifting chain and the lifting device were 1.15%,2.05%,5.10%and 4.09%,respectively.The average retraction synchronization deviation rates of lifting,inclination adjustment and dumping hydraulic cylinders were 0.63%,1.16%and 0.62%,respectively,and the average retraction locking deviation rates were 0.34%,0.66%and 0.33%,respectively.The average extension synchronization deviation rate and the average extension locking deviation rate of dumping hydraulic cylinder were 0.56%and 0.30%,respectively.The results indicate that the designed hydraulic system can meet the operation requirements of self-propelled Panax notoginseng combine harvester,which can provide theoretical basis and reference for the design of the hydraulic system of rhizome combine harvesters in hilly and mountainous areas.
Panax notoginsengcombine harvesterhydraulic systemsimulation analysisfield test
万方数据
维普
