Supporting leg transverse moving mechanism in bridge girder erection machine

The utility model belongs to the technical field of supporting legs in bridge girder erection machines, and discloses a transverse moving mechanism for a supporting leg in a bridge girder erection machine, which comprises a supporting component connected below the supporting leg, two driving components are symmetrically and fixedly connected to the bottom of the supporting component, and each driving component comprises a track part and a driving part. A fixed channel is formed in the rail part in the length direction of the rail part, the at least one driving part is fixedly connected to any position of the fixed channel, the driving part comprises a rotating part and a driving part, and the rail part is supported by arranging a supporting component; the number and the positions of the driving parts can be adjusted by adjusting the number of the driving parts required by personnel and connecting the driving parts with the rail part after the number is adjusted, the driving parts can be adjusted according to