Ingredient adding vehicle of concrete mixer

The invention relates to an ingredient adding vehicle of a concrete mixer, and belongs to the technical field of concrete mixing equipment. The vehicle comprises a vehicle body, the vehicle body comprises a bottom plate and a discharging vehicle hopper located above the bottom plate, and the bottom plate is movably connected with a hydraulic cylinder for driving the tail end of the discharging vehicle hopper to rotate upwards. The discharging vehicle hopper comprises a pair of parallel long side surrounding plates, a plurality of sets of inserting grooves longitudinally penetrating through thelong side surrounding plates are formed in the inner walls of the long side surrounding plates, and partition plates are inserted into the opposite inserting grooves in the pair of long side surrounding plates in a sliding manner. Sealing assemblies capable of moving upwards and sealing the tops and the inner sides of the inserting grooves are arranged at the positions, located below the partition plates, in the insertin