Motor spindle assembly tool for fuel cell air compressor

The utility model relates to a motor main shaft assembly tool for a fuel cell air compressor, which comprises a tool bottom plate and an assembly step sleeve, the tool bottom plate is fixedly connected with the assembly step sleeve through screws, the middle of the assembly step sleeve is provided with a step inner hole used for positioning and connecting a right end shaft of a motor, and the upper end face of the assembly step sleeve is a positioning face. When in use, the right end shaft of the motor is placed in the stepped hole in the middle of the assembling stepped sleeve, and the screw thread of the right end shaft of the motor is screwed by the nut. By adopting the motor main shaft assembly tool for the fuel cell air compressor, assembly workers can be reduced, and the assembly qualification rate can be improved. 本实用新型涉及一种燃料电池空压机用电机主轴装配工装，包括工装底板、装配台阶套，所述工装底板上通过螺钉固定连接装配台阶套，所述装配台阶套中间设有用于定位连接电机右端轴的台阶内孔，所述装配台阶套上端面为定位面。使用时，所述电机右端轴放入装配台阶套中间的台阶孔中，用螺母拧紧电机右端轴的螺纹。采用本实用新型的燃料电池空压机用电机主轴装配工装，能够减少装配工人和提高装配合格率。