QM70T- 30M - 22M Bridge Construction Site Truss Double Girder Gantry Crane - Product

Other Specification : QM70T- 30M - 22M Bridge Construction Site Truss Double Girder Gantry Crane QM Type Gantry Cranes For Bridge And Viaduct Constructionoffer An Economical Solution To Overhead Cranes When The Building Is Inadequate To Support A Bridge Crane Or The Crane System Is To Be Located Outdoors. Truss Girder Portal Gantry Cranes Are A Variation From The Typical Beam Or Box Girder That Becomes Economical When Long Crane Spans Are Required. Additionally, Many Truss Girders Allow The Hoist To Be Located "up Into" Truss Thereby Offering Much Better Hook Height Than A Single Beam Or Box Girder Crane. Also, Truss Girder Cranes Are Typically More Economical Than Long Span Beam Or Box Girder Cranes. Truss Girder Cranes Offer Almost Limitless Span - But Capacity Is Often Limited With Longer Spans. Truss Girders Are Also Used On Outdoor Long Span Cranes In Order To Reduce Effects Of Wind On The Crane Drive System. Gantry Portal Crane Can Be Applied To Both Single Girder And Double Girder Format. It Is Ideal For Outdoor Applications Where Lifting Devices Can Be Applied Without The Cost Of Supporting Steelwork. Indoor Applications Are Also Available Where With A Low Ceiling And Overhead Cranes Are Not Suitable. Typical Occasions Of Goliath Gantry Crane Include Steel Stock Yards, Loading Areas, The Concrete Industry, Ship Building, And Workshops.

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