Bearingless direct drive motor test connection tool

The utility model discloses a bearing-free direct drive motor test connection tool, which comprises a mandrel, a bearing, a bearing seat and a mounting plate, and is characterized in that the mandrel penetrates through the bearing seat and the mounting plate, one end of the mandrel is an output shaft, and the other end of the mandrel is a motor rotor mounting shaft; a bearing is installed in the middle section of the mandrel and supported on the bearing seat, a positioning spigot and a threaded hole are formed in the installation plate, the bearing seat is fixed to one side of the installation plate, and a motor stator is fixed to the other side of the installation plate. According to the bearing-free direct-drive motor test connection tool, installation of a bearing-free direct-drive motor rotor in a test is solved, the rotor is connected to a testing machine of a test system through the mandrel, and uniform air gaps between a stator and the rotor and an alignment relation between iron cores are ensured. 本实用