People from the well water device is called a wheel, belong to what?

Pulley, a folk water-lifting facility of Han nationality, is popular in northern areas. It consists of pulley head, bracket, well rope, water bucket and so on. A lifting device for pumping water on the well based on the principle of axle. Gu Yue said, "There is a baby lying on the windlass on the well." In the Southern Dynasties and Song Dynasty, Liu Yiqing's "Shi Shuo Xin Yu Pai Diao" was written as an orange and a pulley.

The windlass in Qi Min Yao Shu Planting Kwai written by Jia Sixie in the Northern Wei Dynasty can also refer to a mechanical winch. Crossing the ditch, there is a flying bridge, which is 1 feet wide and more than 2 feet long. There are eight windlasses to turn off the customs, so as to make it easier to open it.

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