Research on Application of Wheels with External Track Technology under Soft Road Condition

Abstract

Wheeled vehicles usually adopt external track when passing through soft road conditions. Taking the large wheelbase four-wheel vehicle as the example, based on recurdyn, the dynamic simulation analysis of two driving modes of wheeled vehicles and wheel with external track was completed, focusing on the comparative analysis of ground specific pressure, hook traction, wheel sinkage and other aspects. The results show that the vehicle passability under the soft condition is improved after the wheels are attached to the track, the vehicle’s theoretical grounding is 86.7% less than the reduction, and the hook traction is nearly 10 times higher. However, for the large wheelbase structure, the track between the two wheels needs to improve the passability by adding load-bearing wheels.