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ASAP Steel Concrete Box Bridge Girder Launcher Crane

Henan Dowell Crane Co., Ltd.
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ASAP Steel Concrete Box Bridge Girder Launcher Crane

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Brand Name : Dowellcrane

Model Number : JQJ Beam Launcher Girder Crane

Certification : ISO CE BV CCC GOST

Place of Origin : China (Mainland)

MOQ : 1 Set

Payment Terms : L/C, T/T, Western Union

Supply Ability : 20000 SET/YEAR

Delivery Time : 60 WORK DAYS

Packaging Details : Main body packaged by high quality water-proof plastic woven cloths; spare parts are packed in high quality plywood box.

Running style : Rail

Color : Customized

Current overload protection system : include

Limited switch : include

Voltage lower protection function : include

W arranty : 3 years

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ASAP China steel materials concrete box bridge girder launcher crane wholesaler

Product description

  • Bridge Girder Erecting Launcher Crane mainly consisted with main beam, cantilever, under guide beam, front and rear legs, auxiliary outrigger, hanging beam crane, cantilever crane and elecrto-hydraulic system. Applies to three different span single-span simply supported beam erection, with high operating efficiency
  • Bridge Girder Erecting Launcher Crane applies to highway, railway bridges to the construction site of bridge construction.
  • This Machine is used for erecting concrete box girders for high speed (250km, 350km) passenger railway lines. This machine is suitable for equal span girders or different span girders which can be 20m, 24m and 32m, 50m. The rear part has two supports. One of the supports is "C" shape column with rotary and foldabletechnology. The "C" shape column technology saved the traverse space during traveling and which enables to travel through tunnels with the girder transfer vehicle.

​Parts Of Crane


  • Unique pin connection, firm and reliable, easy to install
  • A-type fracture surface, continuous girder with low center of gravity, convenient and reliable.
  • The machine can accomplish the build of girders with carrying and erection at the same time.
  • Low deflection and high stiffness .
  • Safe and reliable .
  • High efficiency.

Safety Features

Safety is the most important issue for cranes.To ensure the safety,the following safety devices are equipped in BL crane.

  • 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

Technical Parameters

Lifting capacity200t160t120t100t100t
applicable span≤55m≤50m≤40m≤35m≤30m
applicable skew bridge angle0-4500-4500-4500-4500-450
trolley lifting speed0.8m/min0.8m/min0.8m/min1.27m/min0.8m/min
rolley longitudinal moving speed4.25m/min4.25m/min4.25m/min4.25m/min4.25m/min
cart longitudinal moving speed4.25m/min4.25m/min4.25m/min4.25m/min4.25m/min
cart transverse moving speed2.45m/min2.45m/min2.45m/min2.45m/min2.45m/min
transportation capacity of bridge transport vehicle100t X280t X260t X250t X250t X2
heavy load speed of bridge transport vehicle8.5m/min8.5m/min8.5m/min8.5m/min8.5m/min
bridge transport vehicle return speed17m/min17m/min17m/min17m/min17m/min


Product Tags:

Bridge Girder Launcher Crane


Concrete Box Launcher Crane


ASAP Launcher Crane

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