Electric hoist, abbreviated as electric hoist. It consists of an electric motor, a transmission mechanism, and a drum or sprocket, and is divided into two types: wire rope electric hoist and loop chain electric hoist. Usually using a built-in brake Most electric hoists are operated by humans using buttons on the ground, and can also be operated from the cab or remotely controlled using wired (wireless) technology. The main structure includes a reducer, a running mechanism, a drum device, a hook device, a coupling, a soft cable current inlet, a limiter, and a conical rotor motor that integrates power and braking force. It has the characteristics of small size, light weight, easy operation, and convenient use.