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

Add a new term

Contributors in Cranes

Become a Contributors

Cranes

main trolley

Industrial machinery; Cranes

This trolley has an operator's cab connected to it.

nonrunning sheave

Industrial machinery; Cranes

This sheave equalizes tension in the opposite part of the rope. it is not concidered a running sheave due to its slight movement.

latch-equipped hook

Industrial machinery; Cranes

This hook has a mechanical tool used to close the throat opening of the hook

valve switch

Industrial machinery; Cranes

This device is used for breaking, changing or making the connections in a hydraulic, pneumatic, or electric circuit.

limit device

Industrial machinery; Cranes

This device is operational by some motion or part of a power-driven hoist, bridge, or trolley to limit movement

manually operated crane

Industrial machinery; Cranes

This crane’s travel mechanism is driven by pulling an endless chain or by moving the load or hook manually, or the crane’s hoist mechanism is driven in the same manner.

aerial crane

Industrial machinery; Cranes

These usually are helicopters designed to lift large loads. Helicopters are able to travel to and lift in areas that are more difficult to reach by a conventional crane. Helicopter cranes are most ...