Detailed Product Description

This machine is an self-climbing type tower crane with a flat-top and horizontal arm that rotates upward. With a nominal load moment of 550t.m, the machine is largely used for the building construction of big scale and tall steel structure, the equipment lifting & installation in big water conservancy, electrical power and shipbuilding projects and the lifting in other applications.

Main technical parameters
1. Nominal lifting torque: 550t.m
2. Max. lifting height:
a. Fixed: 68.3m
b. Attached: 248.3m
3. Max. lifting weight: 20t
4. Operation range:
a. Min. range: 3.5m
b. Max. range: 80/75/70/65/60/50/40m
5. Lifting mechanism:
a. 2 times-rate: weight lifted 2.5t, max. speed 90m/min
b. 4 times-rate: weight lifted 5t, max. speed 45m/min
c. Motor power:75kW
6. Rotation mechanism:
a. Rotation speed: 0~0.6r/min
7. Tractor:
a. Traction speed: 0-60m/min
b. Motor power: 11kW
8. Top lifting mechanism:
a. Top lifting speed: 0.57m/min
b. Motor power: 7.5kW
9. Total power: 108kW (excluding top mechanism motor)
10. Working temperature: -20~40°C
11. Working wind speed:
a. Top lifting operation conditions: highest point 8m/s
b. Working operation conditions: highest point 20m/s
c. Non-working operation conditions: 0~20m, 36m/s; 20~100m, 42m/s; ≥100m, 46m/s