CONCRETE MIXER AND MIXING DRUM THEREOF

摘要

A mixing drum of a concrete mixer includes a mixing drum housing (21), a mixing blade (22), a connecting seat (23) and a connecting piece. The connecting seat (23) is fixed on the inner wall of the mixing drum housing (21) and provided with a first through hole (233), and the mixing blade (22) is provided with a second through hole. The connecting piece detachably connects the connecting seat (233) and the mixing blade (22) by passing through the first through hole (233) and the second through hole. The mixing blade (22) of the mixing drum can be more easily changed.