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

trolley wheel load

Industrial machinery; Cranes

The vertical force (without impact) produced on any trolley wheel by the sum of the rated load and the trolley weight.

bridge wheel load

Industrial machinery; Cranes

The vertical force (without impact) produced on any bridge wheel by the sum of the rated load, trolley weight and bridge weight, with the trolley so positioned on the bridge as to give maximum ...

live load deflection

Industrial machinery; Cranes

The vertical displacement of a bridge girder due to the weight of the trolley plus the rated load.

dead load deflection

Industrial machinery; Cranes

The vertical displacement of a bridge girder due to its own weight plus the weight of parts permanently attached thereto, such as footwalk, drive mechanism, motor and control panels. The dead load ...