Design and simulation of hydraulic system for the chassis of tracked self-propelled ginger harvester
For long-term field operations of ginger harvesters,wheeled tractors and mechanical transmission tracked tractors generally have problems such as poor stability,low power,and short operation time during operation,The chassis hydraulic system of a tracked self-propelled ginger harvester was designed,which used hydraulic drive as the power source.Through the hydraulic circuit of the tracked chassis,the entire machine could achieve straight travel,climbing,and turning,in order to achieve effective driving and operation of the ginger harvester.Firstly,the hydraulic system components were calculated and selected,and then the simulation model was built using AEMSim to form a complete hydraulic system.Finally,the system was simulated and verified under three working conditions:straight driving,uphill longitudinal slope and turning in place.The simulation results of the hydraulic components showed that the selection met the calculation requirements,and the hydraulic system design was reasonable,which could ensure that the ginger harvester travels straight ahead smoothly,climbs steadily up hard soil surfaces with gradients of 16°and below,and was able to complete the steering process in accordance with the actual steering requirements.
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