Pump truck water filtering device

The utility model relates to a water filter device on a pump truck. The water filter device comprises a box body, a water distribution assembly, a filter screen assembly, a first driving piece and a second driving piece, the inner cavity is divided into a plurality of filtering cavities by the plurality of water distribution assemblies; the plurality of filter screen assemblies are correspondingly and horizontally mounted in the filter cavity; the multiple first driving parts are rotationally connected with one side end of the corresponding filter screen assembly; the bottom ends of the lifting partition plates are in transmission connection with the corresponding second driving parts in the vertical direction. The adjacent filtering cavities are communicated through the second water passing channel, the water distribution cavity and the first water passing channel in sequence; the filter screen assembly can rotate downwards with an output shaft of the first driving part as a rotating shaft, the second drivin