Overhead Cranes - Definition Overhead Cranes - Definition

Crane definitions

Questions & Answers

Overhead Crane / Gantry Cranes

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An Overhead Crane 

Is a crane with a movable bridge carrying a movable or fixed hoisting mechanism and traveling on an overhead fixed runway structure.

The Cab-Operated Crane 

A crane controlled by an operator in a cab located on the bridge or trolley

The Floor-Operated Crane

Is a crane which is pendant or nonconductive rope controlled by an operator on the floor or an independent platform.

Gantry Crane 

A gantry crane similar to an overhead crane except that the bridge for carrying the trolley or trolleys is rigidly supported on two or more legs running on fixed rails or other runway.

Power Operated Crane

A crane whose mechanism is driven by electric, air, hydraulic, or internal combustion means.

Remote Operated Crane

Is a crane controlled by an operator not in a pulpit or in the cab attached to the crane, by any method other than pendant or rope control.

Pulpit Operated Crane 

A crane operated from a fixed operator station not attached to the crane.

Storage Bridge Crane 

 Is a gantry type crane of long span usually used for bulk storage of material; the bridge girders or trusses are rigidly or nonrigidly supported on one or more legs. It may have one or more fixed or hinged cantilever ends.

Semi-Gantry Crane 

Is a gantry crane with one end of the bridge rigidly supported on one or more legs that run on a fixed rail or runway, the other end of the bridge being supported by a truck running on an elevated rail or runway.