Mounting device for bearing outer ring of aero-engine

The utility model discloses an aero-engine bearing outer ring mounting device which comprises a chassis, a groove formed in the chassis, a rotating disc rotationally arranged in the groove, a plurality of telescopic arm grooves formed in the chassis and pointing to the rotating center of the rotating disc, and telescopic arms arranged in the telescopic arm grooves in a sliding mode. One end of the telescopic arm groove is communicated with the groove, the other end of the telescopic arm groove is communicated with the outside of the chassis, and a telescopic arm connecting rod is hinged between the rotating disc and the telescopic arm. The bearing outer ring auxiliary device has the advantages that the bearing outer ring auxiliary device can be used for assisting a bearing outer ring, a worker does not need to make contact with the bearing outer ring when the bearing outer ring auxiliary device is used, sweat stains on the bearing outer ring can be avoided, and the worker can be prevented from being burnt. 本实