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为了减少磨损,减轻闸门震动,提高止水效果,可将门叶由矩形改为倒等腰梯形,腰坡为2%～3%。门槽与流向垂直的断面亦为倒等腰梯形。双P形橡胶侧止水安装在门槽内侧的倾斜面上。这样,门叶关闭到底坎时,门重能将双P形橡胶圆头压缩,以达到止水的目的。由于门叶为倒等腰梯形,闸门稍作提升,门叶即与侧止水脱离接触,止水橡胶
In order to reduce wear and tear, reduce gate vibration, improve water stop effect, the door leaves can be changed from rectangular to isosceles trapezoid, waist slope of 2% to 3%. Door slot and vertical flow section is also an isosceles trapezoid. The double P-shaped rubber side water stop is installed on the inclined plane inside the door slot. In this way, the door leaves the end of the hurdle, the door can double P-shaped rubber round head compression, in order to achieve the purpose of sealing. As the door leaf is an isosceles waist trapezoid, the gate is slightly raised, the door leaf is separated from the side water stop, the water stop rubber