Carrying trolley for construction site

The utility model discloses a carrying trolley for a construction site, which comprises two first bearing beams symmetrically arranged on two sides of the carrying trolley; the first supporting beam and the second supporting beam are symmetrically arranged on the lower side of the first bearing beam in the axial direction of the first bearing beam. The first supporting beam and the second supporting beam are both arc-shaped beams, and the concave face sides of the arc-shaped beams face the first bearing beam. The two second bearing beams are arranged on the lower side of the supporting beam; the first guide sleeve and the second guide sleeve are symmetrically and fixedly arranged at the two ends of the first bearing beam; the connecting part is fixedly connected to the center of the bottom of the first bearing beam; the third guide sleeve and the fourth guide sleeve are fixedly arranged at the two ends of the second bearing beam respectively; one end of the first supporting beam is rotationally connected to t