DP50/40 Segment Assembled Launching Gantry

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Product description

Parameters

Max. span of girder	30m、31m、32m、35m、36m、37m、38m、40m
Working method	Suspending at high position, dropping the whole girder
The section form of the main girder	Box girder
Auto launching method	step moving
The min. curve radius of the route	600m
Longitudinal slope	2.80%
Transverse slope	1.00%
Reverse construction	The launching gantry equipped the rear construction function
The height of the launching gantry	The girder launching height≤10.8m,meeting the height limit at7m
Girder feeding method	Feeding the girder under the bridge(reserve the function of girder feeding backward the bridge.
Full span loading	700t/15
Overhead crane rated lifting capacity	50t
The lifting capacity of the auxiliary hoisting system	10t
Construction cycle time	3days/span (as per 12hrs/day_)
main hook lifting speed	Loading/min, non-loading/min
The overhead crane horizontal and longitudinal travelling speed	0-6m/min
Gantry horizontal and longitudinal travelling speed	0-1m/min
Max. lifting height	26m
Long span continuous girder	Automatic launching
Power supply mode	External power supply
End suspending and dropping girder	Lifting on the four points
Designed working condition	The open air
Wind resistance grade	8 级（风速 20 m/s）
	Girder launching state
	Auto launching state: level8 (wind speed 20m/s)
	Off-working state: level 12 (wind speed 32m/s)
Elevation height	≤2000m
Temperature	Max. H 40℃ Min L -10℃
Operation mode	Operation cab, remote
Others	The manufacture should favor to the high-way transportatioin