PREVENTION DEVICE OF CRANE ROLLOVER

摘要

PURPOSE: An anti-rollover device for a crane is provided to improve driving ability and stability of a crane installed in a crane driving part and to prevent the rollover of the crane due to sudden external force in advance. CONSTITUTION: An anti-rollover device for a crane comprises a boom(1), a machine room(2), a portal part, and a driving part(6). The boom moves to transfer heavy objects. The machine room controls the movement of the boom. The portal part is installed under the machine room to support the machine room at a predetermined height. The driving part enables the self-drive of the crane. The portal part comprises a portal tower(3), a portal girder(4), and a portal leg(5).