Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:1 set
Supply Capability:20 set/month
Descriptions of our tower crane:
1, TC4808 have competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition. With their working radius from 2.25 to 48m, TC4808 tower cranes are famous for their large operating ranges, varied working methods and wide uses.
2,This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism.
3, It is original in design, reliable in operation and satisfactory in shape.
4,Equipped with all necessary safety devices, these cranes show a good speed-control capacity,, satisfactory operating stability and high work efficiency.
5,They are widely applied for the construction of high-rise hotels, resident buildings, high-rise industrial buildings, large-span factory buildings and tower like buildings like tall chimneys. Best after sales service will be offered which will get rid of all your worries in the purchase of our products
Advantage of our tower crane:
1, boom relief Angle is big, greatly widened the equipment capacity and scope of work.
2, suitable for the group of tower cross homework.
3, boom stability is good, combination amplitude range.
4, suitable for height have special requirements occasions construction.
5, lifting capacity big, effectively solve the high steel structure construction team crane big lifting capacity requirements.
QTZ40(4807/4708) Tower Crane | ||||||||||||
Ultra-long suspension arm (48/46.8m), large coverage. Large section (1500*1500) of standard section, good rigidity, stable complete machine during hoisting, little sway. Main limb material of standard section: Large size (<140*140* 12, 160*160*12) Electrical system using high-quality domestic or imported components, stable and reliable performance. Standard section, draw bar and upper and lower turntables adopting C02 gas shielded welding, large weld penetration, little deformation. Two-speed motor or winding motor, stable and reliable starting, no shock. Hoisting mechanism with good speed regulation and stability and no lifting shock | ||||||||||||
Load diagram | ||||||||||||
4807 loading capacity | ||||||||||||
m | 12 | 15 | 22 | 25 | 30 | 35 | 38 | 40 | 42 | 45 | 48 | |
4t-11.38m | t | 3.778 | 2.957 | 1.912 | 1.643 | 1.315 | 1.081 | 0.97 | 0.905 | 0.846 | 0.768 | 0.7 |
2t-21.17m | t | 2 | 2 | 1.912 | 1.643 | 1.315 | 1.081 | 0.97 | 0.905 | 0.846 | 0.768 | 0.7 |
4708 loading capacity | ||||||||||||
m | 11 | 15 | 21 | 25 | 30 | 35 | 38 | 40 | 42 | 45 | 46.8 | |
4t-10.96m | t | 3.986 | 2.87 | 1.996 | 1.646 | 1.34 | 1.121 | 1.017 | 0.957 | 0.902 | 0.829 | 0.79 |
2t-20.96m | t | 2 | 2 | 1.996 | 1.646 | 1.34 | 1.121 | 1.017 | 0.957 | 0.902 | 0.829 | 0.79 |
Mechanism | ||||||||||||
QTZ40 self-climbing tower crane performance parameters | ||||||||||||
4807 | 4708 | |||||||||||
rated lifting moment | KN.m | 400 | 400 | |||||||||
maximum load-lifting capacity | t | 4 | 4 | |||||||||
load-lifting capacity of maximum range | t | 0.7 | 0.79 | |||||||||
working range | m | 3-48 | 3-46.8 | |||||||||
height | m | freestanding:30 attaching:120 | freestanding:30 attaching:120 | |||||||||
hoisting speed | a=2 | m/min | 51.6/26/7.98 | 51.6/25.8/7.9 | ||||||||
a=4 | 25.8/12.9/3.9 | 25.8/12.9/3.9 | ||||||||||
luffing speed | m/min | 38.6/25.2 | 39.6/25.2 | |||||||||
swing speed | r/min | 0.62 | 0.62 | |||||||||
maximum lifting speed | m/min | 0.4 | 0.4 | |||||||||
total power of motors | KW | 23.9 | 23.9 | |||||||||
maximum wind pressure in the working state | N/M2 | 250 |