QD type electric double beam bridge crane is composed by the bridge frame, crab, trolley travelling mechanism, electrical equipment. This crane is suitable for the workshops, good yards and warehouses of the departments of stations, ports, industrial and mining enterprises, lifting, transporting, loading and unloading all kinds of materials in a fixed span. Depending on the different using frequency, it can be divided into A5, A6,A7 class. The maximum capacity can be up to 450 ton.

The main steel frame of bridge crane includes girder box, platform, pantograph and trolley rail. The Main girder will be strictly fabricated and detected in our workshop according the design and national standard. The toughness and strength are perfect combination. It applies shot blasting and high quality painting. Well-chosen choose steel plate, advanced welding
link:http://www.sinokocrane.com/p-1376/QD-Steel-Structure-Use-Double-Girder-Overhead-Traveling-Crane-with-Electric-Hoist-Lifting-Machinery-for-Workshop.html