Aero-engine blisk frequency measurement test fixture

The utility model relates to the aero-engine blisk frequency measurement test field, especially to an aero-engine blisk frequency measurement test clamp comprising a pedestal, the top end of the pedestal is fixedly connected with a supporting disc, the top end of the supporting disc is provided with a positioning rotating disc, the positioning rotating disc penetrates through the supporting disc, and the positioning rotating disc is provided with a positioning groove. The positioning ring, the telescopic rod, the pulley and the limiting ring are arranged and matched with fixed connection of the positioning ring and the telescopic rod, rotary connection of the pulley and the telescopic rod and spiral connection of the limiting ring and the threaded shaft, so that when the blisk needs to be positioned, the positioning ring and the telescopic rod are fixed, the pulley and the telescopic rod are rotationally connected, and the positioning ring is rotationally connected with the supporting disc. A blisk directly p