Railway hopper car bottom door opening and closing control device

The invention relates to a railway hopper car bottom door opening and closing control device. The control device comprises a mounting table, a lifting unit and a door opening collision head, the lifting unit is provided with a fixed end and a telescopic end, the fixed end of the lifting unit is rotatably connected to the mounting table, the telescopic end of the lifting unit can stretch out and draw back in a vertical direction, and the longitudinal end of the door opening collision head is rotatably connected to the mounting table; the bottom of the other longitudinal end of the door openingcollision head is supported through the telescopic end of the lifting unit, the telescopic end of the lifting unit can operably slide at the bottom of the door opening collision head in the longitudinal direction, a notch is formed in the top of the door opening collision head, and a collision part capable of moving in the transverse direction is arranged in the notch. According to the invention,the railway hopper cars wi