在岷江映秀湾水电站的漂木道上,为了解决每年50万米~3木材上游不同水位的过闸问题,设置了一种能潜入水中的弧形闸门。当用以漂木时,将闸门潜入水中,让水流和木材于弧门两支臂间通过;当用以挡水或泄水时,用 On the drift road of Yingxiuwan Hydropower Station in Minjiang River, in order to solve the problem of gate lock at different water levels in the upper reaches of 500,000m ~ 3m per year, an arc gate capable of diving into water is provided. When used to float wood, the gate sneaked into the water, so that the flow of water and wood in the arc between the two arms through; when used to block or drain, with