Bracket device suitable for oscillator

The bracket device comprises a tray body, the bottom of the tray body is installed on the oscillator, a plurality of groups of test bottle clamping jaws are installed above the tray body and used for fixing a plurality of test bottles, and each group of test bottle clamping jaws comprises an X-direction fixed clamping jaw, an X-direction movable clamping jaw, a Y-direction fixed clamping jaw and a Y-direction movable clamping jaw. The X-direction fixed clamping jaw and the X-direction movable clamping jaw are oppositely arranged and can be close to or far away from each other, the Y-direction fixed clamping jaw and the Y-direction movable clamping jaw are oppositely arranged and can be close to or far away from each other, a test bottle placing cavity is defined by the X-direction fixed clamping jaw, the X-direction movable clamping jaw, the Y-direction fixed clamping jaw and the Y-direction movable clamping jaw, and a non-slip mat is arranged in the test bottle placing cavity. By arranging a plurality of gro