| 摘要 |
PURPOSE: An overhead crane having a load dispersion structure using outriggers is provided to remove the need of changing crane wheels according to the load of an object being transported because the outriggers are installed in a carriage. CONSTITUTION: An overhead crane, in which an object(W) being transported is lifted by a lifting device(14) along a post(12) installed on a carriage(10) comprises outriggers(20) which are installed in the carriage with wheels(15) and hydraulically operated to support the carriage from the surface. |
