Mini Topkit 4ton Tower Crane for Construction Qtz40 Price

Product description
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 and 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 advanced 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

Parameter