Introduction: Electric wire rope hoist is a type of material handling equipment, installed on a single beam crane, linear curve stranded beams or it can be used at the hoisting mechanism of double beam crane, gantry crane, linear crane for material handling by industrial and mining enterprises, railways, and warehouses, etc. The lifting capacity of single speed electric wire rope hoist is 0.5 to 32 ton and the working class is M3 and M4.