Rapid discharging structure of bin grid type transportation semitrailer

The utility model discloses a rapid blanking structure of a grid-type transportation semitrailer, which comprises a frame and a grid-type carriage, the grid-type carriage is installed at the top end of the frame, two bottom plates are respectively hinged to two sides of the bottom end of the inner wall of the grid-type carriage, one sides of the two bottom plates are respectively hinged to the lower ends of two vertical plates, and the other sides of the two bottom plates are respectively hinged to the frame. A fixing cover is fixedly arranged in the middle of the bottom end of the inner wallof the bin grid type carriage, a plurality of lead screws are rotationally installed in the fixing cover, a plurality of sliding blocks are arranged in the fixing cover in a sliding mode, and the twosides of each sliding block are hinged to the top ends of the two vertical plates respectively. The first bevel gear is driven by the second bevel gear to drive the multiple lead screws to rotate at the same time, then the sli