GANTRY CRANE Russian patent published in 2007 - IPC B66C19/00 

FIELD: mechanical engineering; lifting and transporting equipment.

SUBSTANCE: proposed gantry crane contains carrying bridge and supports connected with bridge by ties. Each support consists of two parts interconnected by flanges and hinge joint with axle arranged parallel to plane of flanges. Carrying bridge is connected with upper parts of supports by flanges. Axle of hinge joint connecting two parts of support is arranged square to direction of crane movement, and lower part of each support is connected similar to its connection with upper part with tie. Each consists of two parts coupled by cover plates and bolted joints. Flanges for connection with carrying bridge are mounted on steps of upper parts of supports. Crane is furnished with upper beams connected with upper parts of supports. Both parts of each tie, upper beams and lower parts of supports are box-shaped and can be furnished with partitions made of sheets to compensate for twisting of said parts. Both parts of tie are provided with pair of rollers resting on crane track, some in zone of butt joining, and others in zone of connection with lower parts of supports, and running trucks are furnished with pair of rollers enclosing head of crane track rail installed in zone of wheels at a distance from each other corresponding to position of inner surfaces of flanges.

EFFECT: simplified design of crane, reduced labor input in mounting, improved reliability of crane in operation.

8 dwg