Robot chassis and robot

The utility model discloses a robot chassis and a robot, and relates to the technical field of robots. The robot chassis comprises a bottom plate, a supporting wheel set and an anti-toppling structure, and the supporting wheel set is installed on the bottom plate and used for supporting the bottom plate to move on the ground; the anti-toppling structure is mounted on one side of the bottom plate and can abut against the ground when the bottom plate inclines towards the ground, so that the robot chassis is prevented from falling down; wherein the anti-toppling structure comprises a supporting frame, a fixing block and an auxiliary wheel, and the supporting frame is fixedly installed on one side of the bottom plate; the fixing block is installed at one end of the supporting frame. The auxiliary wheel is rotatably installed on the fixing block, and when one side of the bottom plate inclines towards the ground, the auxiliary wheel can abut against the ground and can roll relative to the ground. According to the t