Trash holding device

The utility model discloses a trash blocking device which comprises a top plate, connecting rods are symmetrically and fixedly installed on the top of the top plate, limiting plates are fixedly connected to the ends, away from the top plate, of the connecting rods, a fixing frame is slidably connected between the two limiting plates, trash blocking grids are arranged in the fixing frame, and fixing plates are symmetrically and fixedly connected to the top of the top plate. A rotating shaft is rotationally connected between the two fixing plates, a lifting mechanism used in cooperation with the rotating shaft is arranged on the side, away from the rotating shaft, of one fixing plate, winding rollers are fixedly connected to the surface of the rotating shaft at equal intervals, and steel cables are fixedly connected to the surfaces of the winding rollers. The trash rack is compact in structure and high in practicability, the lifting mechanism can drive the winding roller to rotate through the rotating shaft, th