The screw hoist, also known as the screw-type hoist, is a mechanical device that uses a threaded rod to connect directly or through guide sliders and connecting rods to the gate leaf, enabling the vertical movement of the screw to open or close the gate. With the widespread development of water conservancy and hydropower projects, hoists and gates are extensively used in projects such as reservoir irrigation areas, river embankments, and hydropower stations. The installation, debugging techniques, and knowledge of usage and maintenance should be vigorously promoted. For construction and installation units as well as operation management departments, it is essential to popularize this technology and knowledge to ensure project quality and maximize engineering benefits.
The screw hoist (also referred to as the screw-type hoist) is a hydraulic machinery that drives the gate to lift or lower via a threaded rod, widely applied in water conservancy projects such as reservoirs, rivers, and hydropower stations.