Sand washing equipment for mining machinery

The invention relates to sand washing equipment for mining machinery. A first lifting assembly and a second lifting assembly are symmetrically arranged on the left side face and the right side face of a barrel, a filter screen is slidably connected into the barrel, the second lifting assembly adjusts the height of the filter screen, a frame is arranged above the first lifting assembly, and the lifting assemblies are connected with the frame through rotating assemblies; the lifting assembly adjusts the height of the frame body, the rotating assembly adjusts the angle of the frame body, a connecting plate is slidably connected into the frame body, a driving assembly is arranged on the upper end face of the frame body and drives the connecting plate to reciprocate up and down in the frame body, mounting plates are arranged on the left side and the right side of the connecting plate, and overturning assemblies are arranged at the left end and the right end in the connecting plate. The overturning assembly drives