QTP250(TCT7521) Topless tower crane
1.Jib length 3.5-75m
2.Maxload 12t / 16t
3.Tip load 2.1t
4.Freedstand height 60m
5.Maximum installation height:270m
8.Moving Type: Fixed
1.Hoisting mechanism: Three-speed motor, steady speed, rational performance light load high speed, heavey load intermediate speed, non-load low speed
2. Slewing mechanism: Planet gear speed reducer, fluid coupling with slewing brake device, steady start, accurately position, compact structure.
3. Trolley mechanism: Planet gear speed, frequency driving, high efficency.
4. Moment limiter: Outside adjustable, easy adjust and safe
5. Cabin: Developed on the basis of the human engineering principle, linkage control desk
6. Full set of safety protection equipments: Weight limiter, moment limiter, luffing limiter, height limitater, and slewing limiter, trolley rope-off protection, trolley spindle-break protection, pulley anti-skipping rope devices, make the tower crane flexible and reliable.