Permanent magnet motor

The utility model provides a permanent magnet motor, includes motor casing, stator, rotor, motor shaft, end cover, fan and protection casing, and this permanent magnet motor still puts up including the heat dissipation, and stator core fixes on the heat dissipation frame, and the heat dissipation frame is fixed on motor casing's inner wall, is equipped with the cooling tube in the frame that dispels the heat, and it has the heat eliminating medium to flow in the cooling tube, the end cover includes end cover body and bulge, and the shaft hole has been seted up to the bulge, the end cover body seted up with communicating bearing cap mounting hole in shaft hole and bearing mounting hole, arranging in the extroversion in proper order in bearing cap mounting hole, bearing mounting hole and shaft hole, installs the bearing in the bearing mounting hole, and bearing cap mounting hole internal stability is equipped with the bearing cap that covers the bearing, and the through -hole has been seted up at the center of