Aero-engine blade disc vibration test equipment

The utility model provides aero-engine bladed disc vibration test equipment, which comprises a supporting plate, four springs respectively arranged at four corners of the upper end of the supporting plate, a vibration table arranged at the upper ends of the four springs, vibration motors respectively arranged on the left side and the right side of the vibration table, and a cavity block arranged at the upper end of the vibration table. A test disc is arranged at the upper end of the cavity block, three sliding grooves distributed at equal angles are formed in the test disc, arc-shaped fixing plates are slidably connected to the interiors of the sliding grooves, a plurality of anti-skid protrusions are evenly distributed on the outer arc surfaces of the arc-shaped fixing plates, and a clamping moving mechanism for moving the arc-shaped fixing plates is arranged at the upper end of the test disc. According to the aero-engine blade disc vibration test equipment, not only can the aero-engine blade be fixed for vi