Triangular combined type falling frame device

The utility model belongs to the technical field of construction, and particularly relates to a triangular combined type falling frame device. The triangular combined type falling frame device is arranged at the top of a steel hoop. The triangular combined type falling frame device is of a rectangular structure composed of an upper triangular unloading stiffening body and a lower triangular unloading stiffening body. The triangular unloading stiffening body is provided with a top plate which is horizontally arranged, a side plate which is vertically arranged and a bottom plate which is obliquely arranged; the bottom plates of the upper triangular unloading stiffening body and the lower triangular unloading stiffening body are attached to each other; the bottom plate and the side plates are provided with through holes through which twisted steel bars penetrate; the twisted steel penetrates through the side plates and the bottom plates of the two triangular unloading stiffening bodies and then is tightened by n