水排是我国古代一种冶铁用的水力鼓风装置。东汉建武七年（公元31年），杜诗创制出水排，利用水的冲力，通过杠杆带动皮橐为炼铁炉鼓风，这组机械不仅运用了主动轮、从动轮、曲柄、连杆等机构把圆周运动变为往复运动；还运用了皮带传动使直径比从动轮小的旋鼓快速旋转。它在结构上，已具有了动力机构、传动机构和工作机构三个主要部分。因为它“用力少，见功多”，而且鼓风能力比较强，因此促进了冶铁业的发展。
Shui Pai is a waterpower blasting machine for metallurgy in ancient China. In the seventh year of Jianwu, Eastern Han Dynasty (31 AD), Du Shi invented the machine to use the strike power of water to drive Pi Tuo with crank so to blast for the furnace. This machine not only uses driving wheel, driven wheel, crank and connecting rod to transfer circular motion to reciprocating motion, but uses belt transmission to make the drum rotate very fast, which is much smaller than driven wheel in dimension. In structure, it has power structure, transmission structure and activation structure. Since its characteristics in ‘less effort, more output’, it helps a lot in the development of metallurgy.
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Shui Pai is a waterpower blasting machine for metallurgy in ancient China. In the seventh year of Jianwu, Eastern Han Dynasty (31 AD), Du Shi invented the machine to use the strike power of water to drive Pi Tuo with crank so to blast for the furnace. This machine not only uses driving wheel, driven wheel, crank and connecting rod to transfer circular motion to reciprocating motion, but uses belt transmission to make the drum rotate very fast, which is much smaller than driven wheel in dimension. In structure, it has power structure, transmission structure and activation structure. Since its characteristics in ‘less effort, more output’, it helps a lot in the development of metallurgy.
插图演示
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