Detailed Product Description

This machine is a tower crane with horizontal arm, upward rotation and self-climbing. With a nominal load moment of 250t.m, the machine is largely used for the lifting operations in steel structure construction, big industrial plant building, tall building or super-tall building civil architecture and other projects.

Main technical parameters
1. Nominal lifting torque: 250t.m
2. Max. lifting height:
a. Fixed: 51m
b. Attached: 190(210)m
3. Max. lifting weight: 12t
4. Operation range:
a. Min. range: 2.8m
b. Max. range: 70/65/60m
5. Lifting mechanism:
a. 2 times-rate: weight lifted 1t, max. speed 120m/min
b. 4 times-rate: weight lifted 2t, max. speed 60m/min
6. Rotation mechanism:
a. Rotation speed: 0~0.67r/min
7. Tractor:
a. Traction speed: 0-70m/min
b. Motor power: 7.5kW
8. Top lifting mechanism:
a. Top lifting speed: 0.6m/min
b. Motor power: 7.5kW
9. Total power: 81.5kW (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

crane,tower crane,construction crane