QTZ40 of tower crane 4 ton

QTZ40 of tower crane 4 tonKey Specifications/Special Features:1 Hoisting mechanism
Three-gear speed modulation by electrical motor or frequency conversion, giant winch2 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 product5 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 PRICE AND PAYMENT TERMSNO.MODEL QTZ40(4010L-4)1PRICETBC2TIME OF DELIVERYWithin 45 working days after receiving down payment3PAYMENT TERMS30% advance payment by T/T before production + 70% deposit by T/T before deliveryQTZ40(4010L-4) TOWER CRANE TECHNICAL SPECIFICATIONNO.Items Parameter1TypeQTZ40(4010L-4)2Basic height31m3Max height100m4Length40m/35m/30m5Max load4t6Tip load1t/1.2t/1.5t/7Section size1300x 1300x 25008Section materialAngle steel