Steel cast-in-place support unloading device

The utility model provides a steel cast-in-place support unloading device. The steel cast-in-place support unloading device comprises a concrete foundation, anchor bars, unloading blocks and bearing beams. The concrete foundation is provided with an inclined supporting face inclined to the horizontal plane. One end of the anchor bar is anchored in the concrete foundation, and the other end extends out of the concrete foundation. The unloading block is provided with an inclined sliding face, the inclined sliding face abuts against the inclined supporting face and can slide along the inclined supporting face, and the unloading block abuts against the end, extending out of the concrete foundation, of the anchor bar. The bearing beam is borne at the end, away from the concrete foundation, of the unloading block and used for supporting a pouring formwork. According to the unloading device for the steel cast-in-place support, the unloading block can slide along the inclined supporting surface through the matching o