An electric hoist is an electrically powered hoisting equipment commonly used in industry, construction sites, warehouses and other places where efficient and precise lifting and handling of heavy objects is required. The device is mainly composed of a motor, reducer, braking system, drum, wire rope or chain and corresponding control device. It can provide a reliable power source and ensure the safe lifting of heavy objects. Electric hoists are usually designed as suspended or fixed structures and are operated via remote control or button stations. They can achieve single-speed or multi-speed lifting and lowering, and have good load positioning capabilities. According to different carrying capacity and usage occasions, electric hoists can be divided into electric chain hoists and electric wire rope hoists.