Static and Dynamic Strength Analysis on Rear Axle of Small Payload Off-highway Dump Trucks

Aiming at early breakage of rear axle in small payload off-highway dump trucks, a 3D solid finite element model including nonlinear hydropneumatic suspension has been created by means of ANSYS software. Then static strength and dynamic characteristics of rear axle are analyzed in five typical load cases. According to the analytical results, the weak locations of rear axle are obtained and the modified design has been determined. Using ANSYS software can avoid expensive and time-consuming development loops, so the design period is shortened.

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