Trolley rail for conveying materials in building construction floors

The utility model discloses a material conveying track trolley in a building construction floor, which is characterized in that wheels are mounted on a trolley rack in a matched manner through bearings, a box body is arranged on the trolley rack, an electric appliance chamber and a second electric cylinder are arranged in the box body, and a bottom plate is hinged to the top surface in the box body; the upper end of a telescopic rod of the second electric cylinder is matched with the back face of the bottom plate at the other end opposite to the hinged end of the bottom plate, two symmetrical end doors and two symmetrical side doors are hinged to the four edges of a frame matched with the bottom plate respectively, and when the four doors are turned upwards to be closed, the four doors are positioned through pin buckles. The two ends of the box body are fixedly connected with two first electric cylinders which are vertically downward and symmetrical respectively, the lower ends of telescopic rods of the first