The traction machine is the heart of the elevator, and the elevator can go up and down, that is, it is dragged by the traction machine. A figurative metaphor is the engine of a car. Its working principle is that the current permanent magnet gearless traction machine, motor and traction machine are already integrated, after power-on, the traction machine relies on the conversion of n poles and s poles to rotate, to achieve the purpose of getting the elevator up and down. The traction machine drags the wire rope, the wire rope is connected to the elevator car, and the traction machine carries the wire rope up and down. In-house made high performance NdFeB magnet is adopted. The magnets are double fixed and imported thermal switches are furnished, all of which ensure the reliability of the machine performance. Unique rotating shaft and&nbs…