The high-load omni-directional robot chassis is a mobile platform. It has the characteristics of adapting to a variety of complex roads, with a load of 500KG, a long cruising range, quick replacement of different modules according to different fields, and convenient maintenance. Application areas include civil engineering, material handling, electrical maintenance, and auto repair services, Water and electricity installation, road rescue and other industries, and can be upgraded to install solar charging, one-click return, automatic follow, automatic obstacle avoidance and more customized modules for customers, providing OEM customized services.