| 摘要 |
PURPOSE: An opening and closing apparatus for a hydraulic floodgate is provided to enable a user to easily confirm the operation state of a hydraulic motor with the naked eye. CONSTITUTION: An opening and closing apparatus for a hydraulic floodgate comprises a hydraulic motor(100), a rotating gear(200), and a rack bar(300). The hydraulic motor is installed in a floodgate(20) to be vertically moved with the floodgate. The rotating gear is installed in the floodgate and is rotated by the hydraulic motor. The rack bar is detachably arranged on a door frame in a vertical direction to be meshed with the rotating gear. |
