MG gantry double girder crane (box type girder)electric crane is suitable loading and unloading materials in open storagedepots, materials yards, railroad freight stations, and harbor wharf. May also match by many kinds of special-purpose fishing tackles carries on many kinds ofspecial works. The bridge consists from double lying welding structure box.
Electric equipment for the trolley applying soft conductive cable, largecarts supporting sliding contact line, cable reel-type is available. It buildwith a closed air conditioning house with linkage platform control, so it has the advantages of broad vision, flexible control, comfort work, and high efficiency.
Container Double Girder Gantry Crane Parameter
| Capacity | Ton | 5~300 |
| Span | m | 12~35 |
| Lifting height | m | 6~12 |
| Lifting speed | m/min | 2~15 |
| Travelling speed | m/min | 20~60 |
| Drive type | Motor driven for all motions |
| Duty Class | A3~A6 |
| Power source | 380V, 50HZ, 3 phase (or other standard) |
| Working temperature | -20~40℃ |
| Control model | Pendant pushbutton control or remote control or cabin control |
Safety Announcement of Container Double Girder Gantry Crane
Users should lock the crane in time, when the crane stops operating on operating spot.
There is no electric wire above the total switch of the crane. Strictly forbid to use in such dangerous operating as easily combustible, explosive, corrosive, overloading, dust, etc.
Total length of suspending outside is less than1/3 of the span and 90%of suspending limiting-position (Gn). In addition, the trolley cannot travel until the heavy objects moved inside the support. If the trolley must travel outside the support, its heavy objects (Gn) should reduce 10%-20%. If total length of suspending outside is more than 1/3 of the span, the heavy objects (Gn) should reduce step by step, In a word, the trolley cannot travel until the heavy objects are near the support, and the crab isn’t suitable for traveling outside the support. Wind pressure should be less than 150pa.
Sketch of Container Double Girder Gantry Crane
