Sand discharging mechanism of track sand removing vehicle

The utility model discloses a sand discharging mechanism of a track sand removing vehicle, which comprises a sand removing vehicle body, the right side of the upper end face of the sand removing vehicle body is provided with a control room, the left side of the control room is provided with a fixing frame positioned above the sand removing vehicle body, and the outer side of the upper end of the fixing frame is provided with a supporting assembly; the first conveying throwing belt is mounted on the outer side of the upper end of the supporting assembly, a driving assembly is arranged on the left side of the first conveying throwing belt, and a mounting frame is fixedly mounted at the upper end of the right side of the first conveying throwing belt; the second conveying throwing belt is mounted on the outer side of the right end of the first conveying throwing belt through a connecting plate, and a connecting plate is arranged on the outer side of the lower end of the second conveying throwing belt; the adjust