tower crane QTZ31.5(4705)3 ton

タイトルまたは説明

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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.