Tower Cranes for XCMG/QTZ40 4-ton Tower Crane

Model Number: QTZ40 VAN Brand Name: ORIEMAC Key Specifications/Special Features: 1 Hoisting mechanismThree-gear speed modulation by electrical motor or frequency conversion, giant winch2 Rotation mechanismSpeed modulation with frequency conversion, stable break, accurate position, outstanding on performance and operation all around the world3 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
With beautiful profile, it embodies the design standard of SDLG group

Company information


Shandong ZOT machinery company limited which is specialized in the small scraper machinery, mining machinery, compaction machinery and paving machinery research and development, manufacturing and sales
Relying on Lingong group over forty years engineering machinery manufacturing mature experience and the supports of comprehensive and leading product research and development system, Zhongte focus on the small units, high ratio of mechanical engineering research as well as providing simple solutions for clients
Company will always put optimizing structure, improving the products quality and the reliability on the first place and implement the whole course quality control
Stability of the supporting system and strict parts access and the delivery inspection standards ensure the product quality and the function steadily improved, which has been widely recognized by customers both at home and abroad
ZOT products are exported to Russia, Brazil, Australia, Nigeria and other countries and regions
In the constant development and expansion, the company according to the features of customer requirements and years of market validation, timely introduced a new type of N series, G series small loader products, will become the leader of small scraper machinery