Swing frame truck crane

摘要

Swivel frame, comprising a base with lugs jib cylinder, an upper portion of the swing frame lug by arrows suspension axle, characterized in that the first manufactured and processed by the lower portion of the swing frame from the ring under the OPU, which is the base for all swing frame, then relative to the base treated attaching jib cylinder axis of rotation and fixing mechanism then made upper swing frame and boom is handled suspension axis.