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1.1 Upper rail mounted gantry container crane is a kind of rail mounted crane used to offload, stack and load 20ft, 40ft, 45ft ISO standard containers. Its provision of power is offered by cable reel. The rail gantry crane contains three mechanisms: hoisting, trolley travelling and gantry travelling. The trolley running along the track mounted on gantry beam is capable to serve among legs. The rail mounted gantry crane is able to make straight movement along rails.
1.2 The crane is equipped with appropriate flexible hydraulic container spreader, which is connected to trolley through the upper frame and wire rope system.
And the hydraulic power comes from spreader itself, and we just provide the power supply and communication.
link:http://www.cranes-china.com
Upper Rail Mounted Gantry Container Crane with 40ft Spreader