Damping device of concrete mixer

The utility model discloses a damping device of a concrete mixer, which mainly comprises a bottom plate and side plates, the bottom plate is in the form of a rectangular frame, a plurality of first conical springs are arranged at four corners of the bottom plate, a plurality of cylindrical springs are arranged between two adjacent corners of the bottom plate, the side plates are inserted into the four corners of the bottom plate, and the first conical springs and the cylindrical springs are arranged on the bottom plate. A plurality of second conical springs are distributed in the side plates, the two adjacent side plates are fixedly connected through soft or hard reinforcing ribs, the first conical springs are arranged in a big-end-down mode, and the second conical springs are arranged in a big-end-outside and small-end-inside mode. Conical spring-shaped stress points are formed at the four corners of the bottom plate and are matched with the side plates to carry out transverse shock absorption stress on the