Ash spreading device for masonry of concrete blocks

The utility model relates to the technical field of building construction, and discloses a concrete block masonry ash spreading device. The device comprises a hopper, a supporting plate, an electric telescopic rod and a connecting plate, a slurry outlet is formed in the lower surface of the hopper, hydraulic cylinders are welded to the left side and the right side of the hopper, connecting blocks are welded to the output ends of the two hydraulic cylinders, fixing plates are welded to the lower surfaces of the two connecting blocks, and the upper surfaces of the two fixing plates abut against the lower surface of the hopper; after the hopper is placed on the upper surface of a building block, the two sets of hydraulic cylinders are started to push the two sets of fixing plates to move, the adjacent sides of the two sets of fixing plates abut against the left side and the right side of the building block, and then the fixing plates are located on the lower surface of the hopper; and the two sets of fixing plat