Walking type launching gantry is a new type of bridge construction crane fabricated to meet demands of market and actual working condition, combined with current successful Walking type bridge girder launcherexperience of ZZHZ and other companies.

 

Walking type launching gantry is mainly made up of main guide beam, front guide beam, auxiliary push rod (front, middle), front support leg, middle support leg, rear support leg, lateral guide beam, longitudinal moving gearbox, lifting trolley, lateral rail, hydraulic system, electrical control system and other systems. Details are as below:

 

Main guide beam: honeycomb girder structure to bear weight of the whole precast girder, lifting trolley moves above main guide beam, longitudinal rail for front and middle support leg below it.

 

Front guide beam: honeycomb girder structure guides launching gantry to cross piers

 

Longitudinal moving gearbox: connect with front and middle support leg, lower chord of guide beam in the gearbox can realize longitudinal moving as lifting girders