Motor rotor structure and motor

The utility model discloses a motor rotor structure and a motor, the motor rotor structure comprises a rotor body and a protective sleeve, the rotor body comprises two half shaft structures and a magnetic core structure located between the two half shaft structures, and the rotor body is hollow to form a cavity; the rotor body is sleeved with the protective sleeve, and the protective sleeve is provided with a side sleeve body section at least partially wrapping the half shaft structure; a cooling flow channel is formed in the motor rotor structure, the cooling flow channel is used for circulating cooling liquid and dissipating heat of the magnetic core structure, an inlet of the cooling flow channel is formed in the inner wall of the cavity, and an outlet of the cooling flow channel is formed in the side sleeve body section. The utility model aims to solve the problem of low cooling capacity caused by a long cooling transmission path when a motor rotor is cooled in the prior art. 本实用新型公开一种电机转子结构以及电机，所述电机转子结构包