High-temperature-resistant and high-voltage-resistant motor

The utility model provides a high-temperature-resistant and high-voltage-resistant motor. The motor comprises a base, a shell, an output shaft, a rotor, a stator, a permanent magnet structure and a heat dissipation device, the rotor and the stator are arranged in the shell; the rotor is arranged on the output shaft in a sleeving manner; the permanent magnet structure is arranged outside the rotor;the heat dissipation device is arranged on one side of the interior of the shell. Bearings are arranged at the two ends of the output shaft; the permanent magnet structure is composed of a pluralityof arc-shaped sheet-shaped magnetic steels. The plurality of arc-shaped sheet-shaped magnetic steels are spliced together and wrap the outer circumference of the rotor. A mounting base is arranged atthe bottom of the shell; wherein a plurality of reinforcing rib structures are arranged on the outer wall of the shell, a certain angle is formed between each reinforcing rib structure and the shell in an inclined mode, the out