Double Girder Gantry Crane mainly consists of gantry frame steel structure, trolley and crane traveling mechanism, electrical system and other components. Outdoor work crane also installed with rail clamp, rail anchor device, anemometer, corrective devices, etc.
Double Girder Gantry Crane compared to single girder gantry crane, uses double-beam and double-track, winch trolley structure. Crane winch trolley part including main and auxiliary hoisting mechanism, each using a separate transmission set. Main and auxiliary hoisting mechanism not only can independently complete lifting, but also can synchronously complete the lifting and handling work.
Double Girder Gantry Crane, main beams, side beams, legs, saddles and lower cross beams are connected together by high strength bolts, on each flange plate using reaming bolts positioned, positioning marks have been completed before delivery. Its structure is similar with a frame or RMG gantry crane, which is more stable and firm.
As double girder gantry crane manufacturer, every details need be consider. To facilitate transport, handling and lifting of installation on site, on the main components of the crane are set with lugs, hanging holes, etc. used for lifting. The intensity and location of these lugs and hanging holes fully considering the lifting safety and convenience.
