Multi-wheel synchronous turning chassis and robot

The invention discloses a multi-wheel synchronous turning chassis and a robot, and belongs to the technical field of robots. The multi-wheel synchronous turning chassis comprises a chassis frame, a steering mechanism and a wheel set mechanism, a mounting hole is formed in the middle of the chassis frame, and the steering mechanism comprises a fixing piece, a steering motor, a center gear, a planetary gear, an electric slip ring and a rotary disc; the fixing piece is installed on the chassis frame, and an output shaft of the steering motor is connected with the center gear. A plurality of planetary gears are evenly connected to the periphery of the center gear in a meshed mode. An electric slip ring is arranged at the upper part of the chassis frame, a turntable is arranged at the lower part of the chassis frame, and the electric slip ring, the turntable and the planetary gear are coaxially arranged; the wheel set mechanism comprises a mounting frame, a roller, a wheel shaft, a fixed shaft frame and a driving