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Electric hoists are a type of lifting equipment installed on overhead cranes and gantry cranes. They feature small size, light weight, simple operation and convenient use. They are widely used in industrial and mining enterprises, warehouses, docks and other places.

The electric hoist has a compact structure. The electric hoist with the motor shaft perpendicular to the drum shaft adopts a worm gear transmission device. Its disadvantages are: large length and width dimensions, bulky structure, low mechanical efficiency, and difficult processing, etc. The hydraulic system is dual-controlled. Both the relief regulating valve and the magnetic contact pressure gauge can precisely control the pressure. The electrical control department has adopted low-voltage control, enhancing the safety of the control system.

The structure and features of the wire rope electric hoist: This machine adopts an integrated mechanical and electrical design. By changing different molds, it can press wire ropes of different specifications. It is easy to operate and safe. It is convenient to inspect, install and maintain the motor. Its main disadvantages are poor heat dissipation conditions for the motor, poor groupability, and complex power supply devices, manufacturing and assembly.

The classification and description of wire rope electric hoists: The components of wire rope electric hoists include: motor, transmission mechanism, drum and sprocket. It can be roughly divided into four types based on the different relative positions of the motor and the drum. The pressed steel wire rope has a large tensile force, is aesthetically pleasing and fast. It only takes a few minutes to press a set of steel wire ropes, which greatly reduces the labor intensity and improves the work efficiency.

The electric hoist with the motor installed outside the drum has the advantages of good groupability, high degree of standardization, easy change of lifting height and convenient installation and inspection.

Electric hoists are widely used, but there are relatively few professionals who can operate them correctly. It is recommended that everyone learn more about the relevant knowledge of electric hoists so as to make better use of various types of electric hoists in different fields.

Electric hoists are mainly classified as: chain electric hoists, wire rope electric hoists (explosion-proof hoists), anti-corrosion electric hoists, double-drum electric hoists, winches, micro electric hoists, group hoist electric hoists, and multi-functional elevators.