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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.

Contributors in Cranes

Cranes

standby crane

Industrial machinery; Cranes

A crane which is not in regular service but which is used occasionally or intermittently as required.

multiple girder crane

Industrial machinery; Cranes

A crane which has two or more girders for supporting the live load.

wall crane

Industrial machinery; Cranes

A crane that has a cantilever frame that may have a trolley and is kept up by columns of a building or a side wall. This type of crane operates on a runway connected to the columns or sidewall and is ...

bridge

Industrial machinery; Cranes

A crane part that is made up of, end ties, trucks, foot walks, one or more girders, as well as the part which is used to carry the trolley or, in some cases, trolleys, known as the drive mechanism.

rough terrain crane

Industrial machinery; Cranes

A crane mounted on an undercarriage with four rubber tires that is designed for pick-and-carry operations and for off-road and "rough terrain" applications. Outriggers that extend horizontally and ...

double-girder crane

Industrial machinery; Cranes

A crane having two bridge girders mounted between and supported from the end trucks.

single-girder crane

Industrial machinery; Cranes

A crane having one bridge girder mounted between, and supported from, the end trucks.

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