Auxiliary tray device for sample preparation of inorganic binder test piece

The utility model discloses an auxiliary tray device for sample preparation of an inorganic binder test piece, and belongs to the technical field of highway engineering tests. The tool comprises a base, wherein the upper surface of the base is used for placing a test barrel and a cushion block; the upper part of the cushion block is embedded into the test barrel; the upper surface of the base is provided with a groove used for containing a cushion block and at least two clamping bases, and the clamping bases are evenly distributed on the periphery of the groove. The clamping seat comprises a fixed shaft and an eccentric cylindrical pin, the eccentric cylindrical pin is rotationally connected to the fixed shaft, and the upper surface of the fixed shaft is flush with the upper surface of the eccentric cylindrical pin; the large-circle side of the eccentric cylindrical pin is located at the bottom of the test barrel when rotating to be close to the groove, and the small-circle side of the eccentric cylindrical p