Maize random sampling device

The utility model provides a maize random sampling device, include many crossbeams that support by the bracing piece and the acquisition platform who suspends in midair through lift cylinder, acquisition platform's upper surface respectively with the oil cylinder push rod fixed connection of many lift cylinder lower extremes, every lift cylinder's upper end is then fixed respectively at the lowersurface that corresponds the crossbeam, a plurality of vertical and collection system that length is different are evenly installed respectively to acquisition platform below, collection system comprises telescopic cylinder and inserted bar that the upper end was fixed in acquisition platform, lower extreme one side of inserted bar is fixed with curved fixed clamping piece, the opposite side thenrotates through the pivot and is connected with movable clamping sheet, be fixed with the swinging arms on the movable clamping sheet of pivot one side, the cylinder push rod rotary connected that theswinging arms passes throu