watergate open and closing structure of stream dam

摘要

The present invention relates to a hydrogate opening and closing structure of the underwater beams, to form a waterway having a predetermined width in the underwater beams formed of concrete across the river, the waterway is installed, the lower or one side of the water gate (3) The lower end or one side of the (2) is rotatably fixed to the fixed shaft (4), the upper side or the other side of the water gate (3) can be fitted in the latch groove (5) formed on the side wall (2a) of the waterway (2) A resilient support 7 for attaching a latch 6 to the other side wall of the waterway 2 to keep the water gate 3 closed and to be opened by the water pressure received according to the water level. ) Is installed in the dry season, the water gate is erected and the latch is inserted into the latch groove to keep the water gate closed to maintain the proper water level to prevent water security and river dryness. Only support While it was not to remain floodgates are closed so that the water level can automatically open the floodgates to prevent flooding by water pressure when it rises above a predetermined limit.