5-100tons Double Girder Rail Mounted Gantry Cranes

5-100tons Double Girder Rail Mounted Gantry Cranes

Product description:

5-100tons Double Girder Rail Mounted Gantry Cranes also called door crane or goliath crane, it is a kind of track travelling mid-heavy type crane, can be used where overhead runways are not practical, or in open areas where columns cannot be accommodated.

The top main girder is mounted on two A shape columns which are further resting on wheel mounted end carriages.

This crane is widely applied to do loading and unloading work in outdoor. Such as material stocks area, cement plant, granite industry, construction industry, and engineering industry and so on.It has features of beautiful and durable appearance, perfect performance, low cost, easy maintenance, high adaptability and so on.It is composed of beam, support legs, crane travelling mechanism, trolley, electric equipment and so on.It could be special design and customize by clients' requirement.

This type of double girder gantry crane consists of 5 main parts, namely, the bridge structure, A-frame support legs, the traveling mechanism, the trolley and the electric equipment. It has box type and trussed type, box type has characteristic of slim body and strong lifting capacity; trussed type has characteristic of small windward surface, small deadweight and strong lifting capacity.

The girder could also have a double girder design for heavy duty applications, where a suitable track is provided on top of the girders for travel of crab wheels.