LONG SPAN THROW-DOWN TYPE MOVABLE WEIR WITH DUAL POROUS WATER QUALITY IMPROVEMENT MEANS BY INTEGRATING WATER QUALITY IMPROVEMENT FUNCTION TO FLOODGATE

摘要

PURPOSE: A long span throw-down type movable weir is provided to easily install or remove a water quality improvement means, is actually applicable, and enhance the water quality improvement effect.;CONSTITUTION: A long span throw-down type movable weir comprises a floodgate(10), a rotary shaft(20), a support bracket(30), a movable link(40), a cylinder unit(50), a housing unit, a double porous water quality improvement device. The floodgate blocks river water inflowing from the upstream of a river. The rotary shaft is fixed on the lower part of the flood gate. The support bracket is supported by a supporting part and placed at the both sides of the flood gate, and supports the rotary shaft to rotate. The movable link connected the rotary shaft is rotated by the cylinder to make the floodgate to stand/thrown down. The cylinder part includes a hydraulic cylinder(51) and a piston rod(55) for standing /throwing down the operation link. The housing unit has the support bracket, the operation link and cylinder part built in. The water quality improvement device is built in the floodgate.;COPYRIGHT KIPO 2013