Mounting assembly of three-phase asynchronous motor

The utility model relates to the technical field of motors, in particular to a mounting assembly of a three-phase asynchronous motor, which comprises a mounting plate, an adjusting device and a fixing device, and is characterized in that the adjusting device comprises a horizontal expansion sleeve, a positioning block, a second sliding rod, a vertical expansion sleeve and a connecting plate; the horizontal expansion sleeve is matched with the first sliding rod, the first sliding rod is sleeved with the adjusting device in a clamped mode through the horizontal expansion sleeve, the adjusting device can be located on the two side faces of the installation plate, the positioning block and the second sliding rod are installed on the peripheral face of the horizontal expansion sleeve at an interval of 90 degrees, and one side face of the positioning block is attached to one side face of the installation plate. According to the motor fixing device, by means of the huge holding force of the horizontal expansion slee