ZOOMLION L250-20RA Luffing-Jib Tower Crane.
GENERATION R ELECTRIC CONTROL.
Zoomlion’s new R-generation tower crane – L250-20RB is the main product for eco-friendly city construction. The max. Boom length is 60m, max. free standing height is 45.75m and max. hoisting capacity is 20t.
Adopting the world’s leading round tenon tower section, L250-20RB has stronger wind resistance and can be faster erected and dismantled.
R-generation electric control system is adopted, it has the following advantages: Lifting with load and speed, Zero speed hover, Lifting inching without closing the brake, Rotary inching, Rotary closed loop de swirl, foolproof anchored things, anti-collision, remote upgrade of controller and display screen, Remote wind indicator, Face recognition technology, Optional collector ring and wireless remote control, Hook visualization.
In addition, significant innovation has been made in the climbing efficiency, transportation cost and lifting performance.
ADVANTAGE INTRODUCTION
- 30% improvement in world resistance
- 30% increase in climbing speed
- 30-year equivalent life
- Comprehensive safety
- R-generation intelligent electronic control system
I Falls
Max. hoisting capacity t: 10
Max. hoisting capacity at jib end (60m) t: 2.71
Max. free standing height m: 45.75
Jib length m: 30~60
Hoisting speed t: 10, 5, 2.5
Hoisting speed m/min: 40, 80, 100
Slewing speed r/min: 0~0.61
Luffing time min: 2.2
II Falls
Max. hoisting capacity t: 20
Max. hoisting capacity at jib end (60m) t: 4.32
Max. free standing height m: 45.75
Jib length m: 30~60
Hoisting speed t: 20, 10, 5
Hoisting speed m/min: 20, 40, 50
Slewing speed r/min: 0~0.61
Luffing time min: 2.2
Max. free standing height : 45.75m
Max. boom length : 60m
Max. hoisting capacity at jib end : 4.32t
Max. hoisting capacity : 20t