Brake driving device, brake and vehicle

The utility model discloses a brake driving device, a brake and a vehicle, the brake driving device comprises a shell, a driving motor, a harmonic gear transmission mechanism and a power output mechanism, and the driving motor is installed on the shell; the harmonic gear transmission mechanism is installed on the shell, the harmonic gear transmission mechanism is in power connection with the driving motor, the harmonic gear transmission mechanism is provided with an output end, and the output end is used for outputting driving force; the power output mechanism is in power connection with the output end and connected with the brake pad, the power output mechanism is used for outputting power to drive the brake pad to move, and the brake driving device is small in number of mechanical structures, high in average mechanical efficiency, small in overall size, high in torque transmission capacity, high in rigidity and accurate in positioning precision. 本实用新型公开了一种制动驱动装置、制动器和车辆，其中制动驱动装置包括：壳体、驱动电机、谐波齿轮传动机构和动力输出机构，驱动电