The bridge girder launcher is equipped with 7 sets hydraulic systems which are provided by authorized and qualified manufacturers
and are made up of hydraulic station, hydro-cylinder, oil way and other parts; one set hydraulic systems is respectively set up on the
front support leg, front middle support leg and rear middle support leg, convenient operation and independent control; one set hydraulic
system is respectively set up at left and right side of the gantry crane 90°rail change turning system, convenient operation and independent
control; one set hydraulic system is respectively set up for lifting trolley lateral moving system and vertical and horizontal leveling system
of the sling, remote operation and integrated control.