Structure Design And Character Analysis Of A New All-Terrain Mobile Platform

With the development of modern war and military equipment, the amount and type of individual equipment are growing. That results in infantry load increased significantly, which not only is a great consumption of human energy, but also affects the field moving speed seriously. Besides, in the deadful conditions, such as snow, plateau and desert, where ordinary vehicles can hardly get through, it is difficult for soldiers patrol. For a long time, military inventors have been searching for a kind of high-speed mobile platform that carries infantry moving, which can reduce the burden of soldier and increase the mobility in poor areas.In this paper, a new all-terrain mobile platform for individual fast moving is presented basing on the above-mentioned situation. According to the requirements and performance index of the mobile platform, the structural design and characteristics analysis of the mobile platform is completed. Finally, the virtual prototype simulation is accomplished to confirm the rationality of the design. Main contents are as follows:(1) A new crawler all-terrain mobile platform that helps infantry marching rapidly on the battlefield is presented. Combining a new-style chassis and a new-designed steering mechanism, the platform achieves a small body and a light weight. The suspension system is designed with multi-degree of freedom and multi-dimensionality, which improves the platform's mobility and comfort.(2) The kinematics model of the new mobile platform is built. Based on this model, the process of straight line acceleration, climbing and striding ditch is calculated and the mobility is analyzed. The dynamic model of the suspension system is also built and the factors that affect its performance are found, so that the driving comfort of the mobile platform is analyzed.(3) The virtual prototype model of the mobile platform is established in Recurdyn. The simulation of passing through bumpy road is carried out to analyze the driving comfort. And the simulation of the mobility on soft terrain, climbing and acceleration is conducted to analyze the performance on different topography, which confirms the rationality of the design.