Double Girder Goliath Crane

A Goliath Crane (Also known as Gantry Cranes) is a kind of overhead crane having a single or double girder establishment supported by separate legs that move on wheels or rail system or along a track. They are generally taken into consideration when there is a reason not to involve an overhead runway system.Single Girder Overhead Bridge Cranes. On a single girder crane, the bridge consists of one girder beam supported on each side by an end truck. The trolley and hoist are most commonly underhung—meaning they run on the bottom flange of the bridge. The bridge itself can either be top running or under running in design, The goliath gantry crane finds application in various industries to lift heavy loads which cannot be handled by other material moving equipment. These cranes find unique application in the shipping industry, automobile industry, heavy machinery manufacturing industry, etc, Single Girder Cranes generally have no platform for maintenance,or have 2 small platform for LT mechanism maintenance. Double Girder Cranes have both sides platform across the main girders for maintainance purpose and platform for crab maintenance. Single Girder cranes does not consist Under bridge ligh, The two most common types of modern steel girder bridges are plate and box. Two different girder bridges. The top is a plate girder bridge, while the bottom is a concrete girder bridge. The term "girder" is often used interchangeably with "beam" in reference to bridge design.