A type double girder gantry crane

1,The tower cross beam of all the cranes with the following parameters is as thustrated in the right crawing, lifting capacity 5t,8t,10t,12.5t,all spans; lifting capacity 16/3.2t, span: 18m,22m,26m,lifting weight 20/5t,spans:18m,22m.

2,The leg can be either rigidity leg or flexible leg when the crane span>30m.

3,The A type double girder gantry crane has a good anti-wind stablity, however the material passing capability of the leg is restricted.