* Gantry Crane applications: loading and unloading, material handing
* Work place: Factory yard, dockyard, ship building and repairing yard, metallurgy industry, etc
* Gantry Crane classification: single girder and double girder
* Structure: frame, traveling mechanism, lifting mechanism, electrical equipment, safety devices, etc.
* Design and manufacturing standards: GB/T17495-1998
* Lifting and electrical equipment safety rules: GB/T14406-1993), ISO standards, FEM standards.
* Frame: rigid rack, support the entire gantry crane
* Traveling mechanism: make the entire crane move wherever
* Lifting mechanism: transport and stack goods
* Grabbing device (grab, hook, etc): grabbing the goods
* Electrical equipment: the power supply of entire gantry crane
* Safety devices: also named limit device, make sure the crane will not in the situation which exceed its rate performance
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