Double girder gantry crane has two types: A type and U type. Double girder gantry crane can also be used at the open places such as material yards, shipyards etc. just the same as the other gantries.
A type double girder gantry crane adopts A-type door frame. The bridge is welded structure of box-type; individual drives are adopted for traveling mechanism on each end of the crane. All movements of the crane are controlled in the cabin.
This type gantry crane adopts U type door frame, it consists of main parts, namely, the bridge structure, the traveling mechanism, the cart and the electric equipment.
Gantry cranes have become a widely accepted alternative to overhead cranes. This type of crane is similar to the overhead crane except that it runs on a runway at the floor level. The bridge is supported by a pair of rigid steel legs which are carried by a pair of end trucks along the floor level runway.
No matter what kind of double girder gantry crane you need, you can find and get the suitable one from Dongqi. If you want to learn more about double girder gantry crane, please contact us freely.