Abstract: The main structure and technical parameters of the 4500kN inclinedpulled twoway gantry crane of Sanmenxia Water Control Project were introduced. The main trolley hoisting mechanism, the load limiter, the trolley driving mechanism, the crane travelling mechanism and the design and arrangement of the gantry were expounded. The test data of the gantry crane all accord with the requirement of relevant standards.
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Key words: Sanmenxia Water Control Project, inclined-pulled two-way gantry crane, main trolley hoisting mechanism, load limiter, double parallel vane hydraulic pump