Bridge construction crane and bridge construction method

Abstract

This invention discloses a lifting device and a bridge construction method for bridge construction. The lifting device includes a traveling mechanism, a lifting mechanism, a first traveling mechanism, a power mechanism, a bottom support structure, and a top support structure. The lifting device of this invention uses tire-type traveling wheels, occupying less lateral space. It is a cantilever structure arranged longitudinally, allowing for multiple traveling modes including lateral, longitudinal, and oblique movement. During construction, it is not constrained by the completion status of the main bridge structure, enabling simultaneous construction on multiple piers and multiple work surfaces, making it more mobile and flexible, and improving construction efficiency. The lifting device is arranged longitudinally along the bridge and can be supported by the top and bottom support structures, ensuring clear force distribution, high stability, and safety. It can be used for the installation of precast piers, precast cap beams, and precast beam superstructures (such as precast segmental beams), the installation and transfer of pier-side brackets, the installation of bridge deck ancillary facilities, and the loading and unloading of construction materials, demonstrating high comprehensive utilization.

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