120ton double truss beam launcher crane for railway construction
The unique120ton double truss beam launcher crane for railway constructionis designed for highway and railway. According to the situation of present railway with less subgrade, morebridges and tunnels which connected too closely, our company design and manufacture the new and special beam launcher. It is mainly used for lifting concrete girders in bridge construction in general railway and highway projects.
This patented product is an excellent piece of equipment for erecting Bridge Beams; whether steel or precast concrete, any shapes or sections, with curve or straight, with slope, skew or super-elevation.
The Beam Launcher comes with centralize control system, multi-speed Crane and Wagons, Hydraulic powered Support, Mechanical powered Self Advancing system, and spare-parts.
Safety Features
Safety is the most important issue for cranes.To ensure the safety, the following safety devices are equiped in120ton double truss beam launcher crane for railway construction.
▪ Crane traveling limit switch.
▪Overload protection device.
▪Lifting height limit device.
▪Voltage lower protection function .
▪Phase sequence protection function.
▪Emergency stop function.
▪Rain cover for outside hoist, driving units, electric cubicle.
▪Warining indicator : flashing nights and warning sounds.
▪Wire-less infra-detector for anti-collusion.
1.What’stheinformationshouldIprovidewheninquiry about the120ton double truss beam launcher crane for railway construction?
a.we need the Bridge Drawing;the Maximum longitudinal slope and the Maximum Transverse slope;
b.The Girder/beam drawing;
2.How many Personnel and equipment to assemble launching gantry in the worksite we need？
◆Personnel: 8-10 workersEquipment:
◆Truck crane>50t
◆19.5 steel wire rope 8m
◆Sleepers
◆Electric welding machine
◆Oxygen, acetylene
◆Hammer（12pound8pound）
◆Wrench and pincher
◆Gradienter
3.What are inspection standard for load test of Beam launcher cranes?
◆Dynamic load test: 1.1times rated load
◆Static load test: 1.25times rated load
4.How to make highway bridge concrete girders?
◆Highway Bridge concrete girders could be made by 4 methods:
a. Full span prefabrication
b. Segment girder prefabrication
c. Full span cast-in-place girder
d. Segment cast-in-situ
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