Bearing-free generator

The utility model discloses a bearingless generator, which comprises a rotor, a base sleeved on the outer side of the rotor, end covers connected to the left side and the right side of the base, sealing rings connected with the outer side walls of the end covers, and supporting assemblies mounted on the outer side walls of the end covers, the supporting assembly comprises two supporting frames welded to the end cover and a supporting ring installed on the tops of the supporting frames and used for supporting the rotor. According to the utility model, the position of the supporting ring is adjusted by rotating the adjusting bolt, so that the centering of the rotor and the stator in the base is completed, and the centering mode is simple, rapid and high in accuracy; furthermore, dynamic sealing between the rotor and the end cover is achieved through a sealing ring, the rotor and the end cover are fixed through cooperation with a fixing screw, the rotor is prevented from moving left and right when the machine ba