Electric Box Girder Gantry Crane for Construction Sites - Product

Other Specification : Electric Box Girder Gantry Crane For Construction Sites BOX TYPEGantry Cranes For Precast Yard Offer An Economical Solution Tooverheadcranes When The Building Is Inadequate To Support A Bridge Crane Or The Crane System Is To Be Located Outdoors. A Box Girder Portal Gantry Crane Is A Gantry Crane That Utilizes A "box" Configuration In Fabricating The Girder. This Box Girder Design Incorporates A Four-sided Box With A Running Surface Plate For The Hoist Trolley Attached To The Bottom Of The Box. The Advantage Of The Box Girder Is That It Possesses Greater Loading Capabilities And Is Able Toapply Tobiggerbridge Distances. The Crane Is Generally Utilized In Pairs With The Hoisting Mechanism Operating On Rails Attached To The Top Of Each Box Girder. Gantry/Portal/Goliath Cranes Are Widely Used In The Following Applications: # # Precast Yards # Shipbuilding # Container Handling # Construction Sites # Marble / Granite Industry # Mining Maintenance # Bridge Construction Sites # Road Construction Sites # Stock Yards # Scrap Yards # Railway Yards Design Features Include: 1. Main Girder: Is Welded Of Steel Plates, Connected By High-strength Precision Bolt. There Are Sliding Rail For Trolley To Travel Upper The Girder Which Is Fixed On Outrigger By High-tension Precision Bolt. 2. Outrigger A). Consist Of Rigid Outrigger And Flexible Outrigger, All Connection Points Are Connected By High-tension Bolt B). The Ladder Is Used By Operator To Enter Into Cab Or Arriving At Winch C). When The Span>30m, There Need A Flexible Leg Aiming At Reducing The Lateral Thrust The Trolley Has To The Rail When The Girder Load Objects. 3. Travelling Mechanism Consist Of Driving Gear Box And Passive Wheel Box. A). The Driving Gear Box Supplies Power To Realize The Cranes Travelling. B). What The Difference Between Driving Gear Box And Passive Wheel Box

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