Overhanging discharging platform

The utility model relates to the technical field of unloading platforms, in particular to a cantilever unloading platform which comprises angle iron, a supporting rod A, a threaded rod, a supporting rod B and an unloading transportation assembly. The angle iron is an L-shaped high-strength steel plate; one end of the angle iron is hinged to a supporting rod A through a hinge seat A, the other end of the supporting rod A is connected with a supporting rod B through a threaded rod, and the other end of the supporting rod B is connected with the unloading transportation assembly through a hinge seat B; the unloading transportation assembly comprises a rail frame, guide wheels, a transportation platform, a counterweight water tank and a riveting bolt; the bottom of the track frame is connected with the hinge seat B; therefore, the problem that in the prior art, when building materials are transported between floors, assemblies need to be pre-embedded and installed in structural beams and plates in advance, and fl