Robot chassis suspension system and robot

The utility model provides a robot chassis suspension system and a robot. The robot chassis suspension system comprises a mounting part and a suspension part, the connecting rod assembly is rotationally connected with the mounting part, the connecting rod assembly can swing relative to the mounting part, and the connecting rod assembly is used for being mounted and matched with the driving wheel assembly; and the damping assembly is connected with the connecting rod assembly, and the damping assembly can make the driving wheel assembly make contact with the ground all the time. The driving wheel assembly is installed on the connecting rod assembly, the whole connecting rod assembly serves as a set of rocker arms to swing relative to the installation piece, the driving wheel assembly keeps pressure on the ground in cooperation with the damping assembly, and therefore the driving wheel assembly makes contact with the ground all the time. The driving wheel assembly is installed and integrated on the connecting r