The present invention relates to an asphalt crushed stone synchronous sealing car. It is characterized by that it is composed of chassis car, asphalt tank, hopper bin, asphalt distribution system and crushed stone distribution system, in which the hopper bin is a combined hopper bin formed from movable hopper bin and fixed hopper bin, the movable hopper bin is movably connected with said fixed hopper bin by means of rotating shaft, and the bottom portion of said movable hopper bin is connected with a lifting mechanism. Said invention also provides its concrete working principle and operation method. |