Natural cooling electromagnetic braking wind power generation variable pitch motor

The utility model discloses a natural cooling electromagnetic braking wind power generation variable-pitch motor, relates to the technical field of wind power generation variable-pitch motors, and aims at solving the technical problems that an existing variable-pitch motor is large in energy consumption and high in cost. In the natural cooling electromagnetic braking wind power generation variable pitch motor, the electromagnetic brake is assembled on the main shaft provided with the second A-type flat key, the fan is assembled on the main shaft behind the electromagnetic brake, and the fan is clamped through a shaft check ring; the fan cover is fixed to the rear end cover through a third bolt, and the encoder is assembled at the rearmost end of the main shaft and fixed to the fan cover through the encoder clamping plate. And meanwhile, the encoder is locked and fixed on the fan cover through an encoder sealing gasket and the encoder cover by adopting screws. 一种自然冷却电磁制动风力发电变桨电机，涉及风力发电变桨电机技术领域，用于解决现有的变桨电机能耗较大、