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.
|1.U beam precast yard
Do U type beam in the beam yard
|2.U beam precast yard
The precast u beam placed in the beam yard
Put precast beam to the transporting girder car
The transport car is transporting precast beam to the construction site
Using gantry crane lifting beam to pier
The car transport beam to beam launcher
Trolley lifting the precast beam
The beam launcher setting on the beam
|applicable skew bridge angle||0-450||0-450||0-450||0-450||0-450|
|trolley lifting speed||0.8m/min||0.8m/min||0.8m/min||1.27m/min||0.8m/min|
|rolley longitudinal moving speed||4.25m/min||4.25m/min||4.25m/min||4.25m/min||4.25m/min|
|cart longitudinal moving speed||4.25m/min||4.25m/min||4.25m/min||4.25m/min||4.25m/min|
|cart transverse moving speed||2.45m/min||2.45m/min||2.45m/min||2.45m/min||2.45m/min|
|transportation capacity of bridge transport vehicle||100t X2||80t X2||60t X2||50t X2||50t X2|
|heavy load speed of bridge transport vehicle||8.5m/min||8.5m/min||8.5m/min||8.5m/min||8.5m/min|
|bridge transport vehicle return speed||17m/min||17m/min||17m/min||17m/min||17m/min|