Cranes

Cranes

A crane is a type of machinery used for lifting and moving heavy materials in construction, transportation (loading and unloading merchandise) and other fields. Most cranes are equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them around.

Industry: Industrial machinery

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Cranes

lateral forces

Industrial machinery; Cranes

Horizontal forces perpendicular to the axis of the member being considered.

chain sprocket

Industrial machinery; Cranes

Grooved or notched wheel that the hoist rope or chain is seated.

torsional box girder

Industrial machinery; Cranes

Girder in which the trolley rail is located over one web.

self-erecting crane

Industrial machinery; Cranes

Generally a type of tower crane, these cranes, also called self-assembling or "Kangaroo" cranes, lift themselves off the ground using jacks, allowing the next section of the tower to be inserted at ...