Product Description

DF450 Lauching Gantry Crane Technical Parameters Lifting capacity: 450t Applicable longitudinal gradient: =2.0% Applicable curve radius: =1000m Longitudinal shift speed (hanging girder): 0-3.0m/min (heavy load) 0-6.0m/min (Idle load) Lateral shift speed (hanging girder): 0-0.5m/min Lift speed (hanging girder) : 0-0.5m.min Lift height: 5.6m Moving speed (across span): 0-1.5m/min Moving speed (girder carrier carrying launching gantry): 0.3km/h Total capacitance of complete machine: 176kw, (Max. power of bridge erection: 74Kw) Total mass of complete machine: 343t External dimensions: 69.0*8.9*9.0m Efficiency of bridge erecting operation: 4 spans/day DF900 Launching Gantry Crane Technical Parameters Work Rank: A3 Hoisting capacity: 900t Applicable span: 32m, 24m and 20m Max. hoisting height: 7.2m Moving speed across span: 0-3.0m/min Applicable longitudinal gradient: =2.0% Applicable curve radius: =600m Moving speed of girder-hoisting trolley: 0-3m/min Hoisting speed of girder-hoisting Trolley: 0-0.5m/min (heavy load) 0-1.0m/min (no load) Girder-hoisting trolley Transverse fine adjustment Speed: 0-5.0mm/s Transverse fine adjustment Scope: ±250mm Longitudinal fine adjustment Speed: 0-5.0mm/s Longitudinal fine adjustment Scope: ±250mm Max. deflection of nose-girder 61.5mm Average girder-erection speed: 2spans/8h (total about 8 km) Power Source: 380V 4Ac (equipped with 300Kw diesel engine) Drive mode: Hydrocylinder driven by hydraulic station while other parts by electric motor Control mode: Cabin control and wireless remote control Design and manufacturing at customers' demand.