A quay crane (1) comprises a guide (11) that is disposed along a horizontal member (5), a mobile body (10) that is configured to be movable along the guide (11) and disposed on the bottom end of a diagonal member (4), and an anchoring device (40) that fixes the relative positions of the mobile body (10) and the guide (11). The anchoring device (40) comprises: an anchor plate (41) that is inserted in a through-hole (43) that is formed so as to pass through the mobile body (10) and the guide (11) and/or horizontal member (4); and a supporting device (42) that supports the anchor plate (41). The anchor plate (41) is strong enough to not break from external force generated on the anchor plate (41) via the mobile body (10). When an earthquake occurs, the supporting device (42) is actuated so as to remove the anchor plate (41) from the through-hole (43) and release the anchoring device (40) such that the mobile body (10) becomes able to move along the guide (11).
Quay crane and quay crane control method
2015-11-25
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |