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水力闸门是一种挡水兼泄水的水工建筑物,依靠可以升降启闭的闸门控制水位,调节流量,在防洪、灌溉、排水、航运、发电等水利工程中应用十分广泛。第一条用于输送货物和排放洪水的运河建于中国,第一座金属闸门出现在1830年左右,随着工程技术的进展,闸门类型多样,门幅越造越大。1.人字门。铸铁结构及钢板护板结构的人字门远在1828年就在法国获得应用,金属钢闸门1864年用于法国的沙郎统船闸,该闸
Hydraulic gate is a water and water retaining hydraulic structures, relying on the gate can be hoisted to control the water level, regulating flow, flood control, irrigation, drainage, shipping, power generation and other water conservancy projects are widely used. The first canal used for transporting goods and discharging floods was built in China. The first metal gate appeared around 1830. With the advancement of engineering technology, various types of gates were created, and the width of the gates increased. Miter door. Cast iron structure and the structure of the plate of the herringbone far in 1828 was applied in France, the metal gate in 1864 for the French Shalang system ship lock, the gate