Prediction and Experimental Study of Tire Slip Rate Based on Chassis Sinkage Amount

In view of the problems that fuselage inclines and driving straightness is difficult to guarantee due sinking sliding wheels when high-clearance plant protection machine working in paddy field, this paper takes as research object, based on field environment, establishes a prediction model wheel subsidence through derivation, explores influence different parameters characteristics experiments, so improve chassis trafficability. At same time, using test data under parameters, settlement with high clearance correspondingly modified. Finally, trafficability compared analyzed tire parameters. The results show slip rate 0.5, traction force solid 37% higher than pneumatic tire; height spike increases, decreases obviously; proper increase diameter can passing performance chassis; width, angle soil penetration while driving, slope climbing increases; load changes, coefficient proportional coefficient, resistance inversely coefficient. Through mechanism operation analysis trafficability, stability has been improved, providing platform for subsequent precision operation.