Drive assembly modal test rack device

The utility model discloses a drive assembly modal test rack device, which comprises a support frame and a support plate, and also comprises a plurality of telescopic devices, a plurality of hooks, a spring bed and a bearing plate, the support plate is connected to one end of the support frame along the transverse or longitudinal direction of the support frame, the bearing plate is fixed at the other end of the support frame, the hooks are symmetrically fixed on the support frame, and the spring bed is fixed on the support frame. The spring bed is hung in the supporting frame through a plurality of hooks, the device comprises a sleeve and a bolt, a radial hole is formed in the circumferential face of the sleeve, the bolt is in threaded fit with the radial hole, the supporting frame comprises a first frame body and a second frame body, one end of the sleeve is connected with the first frame body, and the other end of the sleeve is connected with the second frame body. And the sleeve is locked on the first fram