Two-way dynamic water closing heavy hammer type hydraulic control butterfly valve

The utility model discloses a bidirectional dynamic water closing heavy hammer type hydraulic control butterfly valve. The valve comprises a valve body, a mounting box, a heavy hammer rod and a pushing ring, a mounting box is fixedly mounted on one side of the outer surface of the valve body; a control box is fixedly mounted on one side of the mounting box; a hydraulic cylinder is fixedly mountedat the bottom end of the mounting box; the output end of the hydraulic cylinder is rotationally mounted at one end of the heavy hammer rod; a shell is fixedly mounted on the surface of the heavy hammer rod; a rotating rod is rotationally mounted in the shell; a bevel gear is fixedly installed on the surface of the rotating rod, a valve handle is fixedly installed at one end of the rotating rod, arack is meshed with the surface of the bevel gear, a pushing ring is fixedly installed at one end of the rack, the surface of the heavy hammer rod is sleeved with the pushing ring in a sliding mode, and a balancing weight is a