Connecting structure for #-shaped frame of rotary excavating drill bit

The utility model relates to the technical field of cast-in-place pile drilling construction, in particular to a rotary excavating drill bit #-shaped frame connecting structure which comprises a #-shaped frame, a barrel drill reinforcing pipe, reinforcing ribs and a connecting plate. Edge ribs are arranged at four corners of the #-shaped frame, one end face of the #-shaped frame is fixedly connected with the connecting plate, the connecting plate is a circular plate, and a square hole is formed in the circle center of the connecting plate; the connecting plate is pressed into the cylindrical drill reinforcing pipe and is fixedly connected with the inner wall of the cylindrical drill reinforcing pipe; a plurality of reinforcing ribs are uniformly distributed and fixedly connected between the connecting plate and the inner wall of the cylinder drill reinforcing tube; four rib plates are correspondingly and fixedly connected outside side ribs at four corners of the #-shaped frame, the four rib plates are fixedly