Two differential drive chassis

The utility model provides a two differential drive chassis, including the chassis, the chassis is connected with left side drive assembly, the right side drive assembly that the symmetry set up through two independent rotation axises, left side drive assembly, right side drive overall composition do not are connected with hold -down spring, left side drive assembly, right side drive overall composition do not make respective drive wheel keep laminating with ground through the overdraft that hold -down spring provided, left side drive assembly, right side drive assembly provide walking power through respective drive wheel for the chassis, a plurality of universal wheels are installed to the chassis lower extreme, the universal wheel is used for bearing the chassis. The utility model provides a two differential drive chassis compact structure ensures the drive wheel and can laminate with ground all the time, overcomes the ground injustice and leads to the unsettled condition of skidding of drive wheel, reduces