Supporting leg structure of bridge girder erection machine

• Main Authors: DU XIURONG, XIAO WANG, OU WEN, CHEN CHAO, XU MINGXI, YU HONGKUI
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2023
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; OR VIADUCTS; PERFORMING OPERATIONS; TRANSPORTING

The utility model relates to the technical field of bridge girder erection machine front supporting legs, and discloses a bridge girder erection machine supporting leg structure which comprises a cross beam, the cross beam, telescopic sleeve lifting jacks, telescopic sleeve rods, an operation platform, a jacking oil cylinder and an outrigger form a bridge girder erection machine front supporting leg, and the bottom of the cross beam is provided with two sets of telescopic sleeve lifting jacks. A telescopic sleeve rod is movably installed below the cross beam, an operation platform is movably installed in the telescopic sleeve rod, a jacking oil cylinder is arranged at the bottom of the telescopic sleeve rod, a cantilever beam is fixedly installed at the bottom of the telescopic sleeve rod, and a connecting hinge is movably installed at the top of the telescopic sleeve rod. By installing the cross beam, the telescopic sleeve lifting jack, the telescopic sleeve rod, the operation platform, the jacking oil cylin