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

pre-engineered production lift

Industrial machinery; Cranes

A repetitive, production-type lifting operation, independent of the nature of the load to be lifted, in which the probability of dropping, upset, or collision is reduced to a level acceptable to the ...

right-hand end

Industrial machinery; Cranes

A reference to parts or dimensions on the viewer's right of the centerline of span, established when facing the drive girder side of the crane.

left-hand end

Industrial machinery; Cranes

A reference to parts or dimensions on the viewer's left of the centerline of span, established when facing the drive girder side of the crane.

person-in-charge

Industrial machinery; Cranes

A qualified person responsible for the safe planning and performance of a critical lift

pulley

Industrial machinery; Cranes

A pulley (also called a block and tackle) is a mechanism composed of a wheel (called a sheave) with a groove between two flanges around the wheel's circumference. A rope, cable, belt or chain usually ...

fail-safe

Industrial machinery; Cranes

A provision designed to automatically stop or safely control any motion in which a malfunction occurs.

manual-magnetic disconnect switch

Industrial machinery; Cranes

A power disconnecting means consisting of a magnetic contactor that can be operated by remote pushbutton and can be manually operated by a handle on the switch.