Mechanical lifting type engineering machinery transfer device

The utility model relates to the technical field of engineering machinery, in particular to a mechanical lifting type engineering machinery transfer device which comprises a base, a supporting rod, a moving arm, a lifting assembly and a bearing frame set, a limiting assembly is arranged in the bearing frame set and comprises a transmission rod penetrating through a platform, a platform is arranged at the top of the transmission rod, and a first spring is arranged on the periphery of the transmission rod. A triangular block is arranged below the transmission rod; symmetrical positioning rods penetrate through the top of the platform, transmission gear sets are arranged at the bottoms of the positioning rods, second springs, transmission toothed rods and transmission blocks are symmetrically arranged on the lower surface in the platform from the two ends to the middle, and fixed toothed rods are symmetrically arranged on the upper surface in the platform. The engineering machinery can be clamped, the situation