| 摘要 |
PURPOSE: A floodgate with a lifting device is provided to enable application to any types of gate frames and remove the need of a rack bar or structures for connecting a floodgate and a gate frame. CONSTITUTION: A floodgate with a lifting device comprises lifting device assembly holes which are vertically bored on both ends in which the lifting device is inserted and fixed. The lifting device includes a hydraulic cylinder(3) in which a cylinder fixing pin(5) is inserted a pin insertion hole of an outer case(12) and coupled to a pin fixing hole of a cylinder fixing member(16), and the infiltration of water into the hydraulic cylinder is prevented. A top cover(13) is fixed through a connection nipple(14) to an end of the outer case near the pin insertion hole. A watertight seal(7) is attached to the other end of the outer case. A roller(10) is inserted in a center groove of a roller fixing element. |
