Easy maintenance type hydraulic pulling up floodgate

摘要

The present invention relates to a hydraulically operated lifting gate using a hydraulic cylinder. The hydraulic cylinder is disposed at the upper end of a drainage clearance, thereby separating the hydraulic system from a river and simplifying maintenance.In the present invention, a door frame to which a side of a door is pushed up and down is installed to move the door to the upper side of the opening and closing clearance, and a cylinder space in which a hydraulic cylinder is installed vertically is formed in the door frame. And the upper side of the hydraulic cylinder and the upper side of the cylinder guide are coupled to a fixing bracket, the upper side of the door frame is connected to the fixing bracket by a chain, and the oil of the hydraulic device is collected on the upper side of the opening-An oil pan is installed and a fixing device for fixing the door to the oil pan is provided on the oil pan and an opening degree detecting device for detecting the degree of opening of the door is provided on the upper side of the door frame.