25t QTZ500(8030) Hongda Telishi High performance Tower Crane
1. 25t max load, 80m long boom with tip load 3t.
2. hydraulic lifting tower crane/hammed head topkit construction tower crane, Best Brand Hongda Tielish topkit tower crane.
3. China-made high quality tower crane, China good tower crane manufacturers with best price
4. high efficiency, CE approved, ISO and GOST certification, oversea service available
Safety devices: 1): hoist height limit 2): over speed limit 3) over load limit 4):lifting moment limit 5): slewing angle limit 6): emergency stop button 7):obstruction light (tip of jib, tower head) 8): wind lock device.
Avantages and features of 25t 80m boom tower crane QTZ500(8030)
1 Hoisting Mechanism
Three-gear speed modulation by electrical motor or frequency conversion, giant winch.
2 Rotation Mechanism
Speed modulation with frequency conversion, stable break, accurate position, outstanding on performance and operation all around the world.
3 Luffing Mechanism
Speed modulation with frequency conversion, less concussion, stable operation.
4 Control System
PLC control, auto diagnosis on electric malfunction, corresponding alarm on light and sound, key components adopting international top brand product.
5 Security & Protection Mechanism
Besides security mechanism usually used in domestic tower crane adopted, Hongda tower crane adopted lots of advanced mechanism self-developed by Hongda, to keep the security of the tower crane and convenient operation, such as unique double tighten mechanism on luffing steel cable, anti-break mechanism on sliding vehicle, anti-drop
mechanism on standard section, speedy link between rotary body, hoisting boom and balance boom.
6 Structure
Through advenced design, mechanical-electrical integration design, CAD supporting design, optimization design, modularization design, makes Hongda tower crane's steel structure haveing outstanding intensity, firmness and anti-fatigue capability, outstanding performance and reliability. With beautiful profile, it embodies the design standard of Hongda.
