QUAY CRANE

摘要

Provided is a quay crane having a seismic isolation device configured from laminated rubber, the quay crane being capable of withstanding large-scale earthquakes. Provided in particular is a quay crane having a seismic isolation device that has a slide length of ±1000 mm or greater. A quay crane (1) having a seismic isolation device (2), wherein the isolation device (2) has laminated rubber (3), which is configured from layering steel plates and a rubber material, and an auxiliary support mechanism (4): an auxiliary support mechanism (4) has a supporting body (7), which is affixed to either a top plate (5) or a bottom plate (6) of the isolation device (2), and a contacting plate (8), which is fixed to the other of the top plate (5) and the bottom plate (6). The supporting body (7) and the contacting plate (8) constituting the auxiliary support mechanism (4) come into contact at least at the onset of an earthquake, and the auxiliary support mechanism (4) supports the weight of the quay crane (1).