The electric single beam crane is composed of a main beam, end beam, electric hoist, and operating mechanism welded with steel plates and I-beams. The electric hoist runs along the lower flange of the main beam I-beams to complete the lifting work of goods. It has the characteristics of lightweight structure, easy installation and maintenance, and is widely used in different occasions such as factories, warehouses, and material yards to lift goods. It is prohibited to use it in flammable, explosive, and corrosive media environments. The job level is A3-A5. There are three operating modes: ground handle, wireless remote control, and driver's cab. There are two types of cabins: open and closed. The operation of the crane adopts a separate drive form, with a conical motor for braking and an open gear transmission.