![]() The most commonly used overhead hoist is electrical powered with wire rope or chain as the lifting medium. The suspension defines the type of mounting method used to suspend the hoist and includes hook, clevis, lug, trolley, deck, base, wall or ceiling. The operation defines the type of power used to operate the hoisting motion and includes manual power, electric power, hydraulic power or air power. The lifting medium is the type of component used to transmit and cause the vertical motion and includes wire rope, chain or synthetic strap, or rope. ![]() These units are typically used in an industrial setting and may be part of an overhead crane.Ī specific overhead hoist configuration is usually defined by the lifting medium, operation and suspension. Overhead hoists are defined in the American Society of Mechanical Engineers ( ASME) B30 standards as a machinery unit that is used for lifting or lowering a freely suspended (unguided) load. The information contained here pertains specially to overhead, construction and mine hoist. For example, many people use “hoist” to describe an elevator. The word “ hoist” is used to describe many different types of equipment that lift and lower loads. A water-powered mine hoist used for raising ore from De re metallica
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