4t hydraulic lifting construction tower crane QTZ40(4708)
Product Introduction
Thisseries of tower cranes, QTZ40, has a horizontal jib frame, a jib-trolleyradius-changing mechanism and a hydraulic self-raising mechanism. It isoriginal in design, reliable in operation and satisfactory in shape. Equipped withall necessary safety devices, these cranes show a good speed-control capacity,satisfactory operating stability and high work efficiency. They can be widelyused for the construction of high-rise hotels, residential buildings, high-riseindustrial buildings, large-span factory buildings and tower-like buildingslike tall chimneys.
| Parameter of the QTZ40 tower crane
|
| Basic height
|
29/31m
|
| Maximum height
|
121m
|
| Jib length
|
47m
|
| Maximum lifting weight
|
4t
|
| Main specification performance parameters
|
Square tube 140*140*12mm
|
| Festival standard specifications
|
1.500*1.500*2.2m
|
Loading capacity
| Jib length (m)
|
11
|
14
|
18
|
22
|
26
|
30
|
34
|
38
|
40
|
42
|
44
|
46
|
47
|
| 2t-20.97m
|
2
|
2
|
2
|
1.897
|
1.576
|
1.34
|
1.159
|
1.017
|
0.957
|
0.902
|
0.852
|
0.807
|
0.8
|
| 4t-10.96m
|
3.986
|
3.09
|
2.36
|
1.897
|
1.576
|
1.34
|
1.159
|
1.017
|
0.957
|
0.902
|
0.852
|
0.807
|
0.8
|
Mechanisim specification
|
Hoisting
|
a=2
|
a=4
|
Kw
|
| m/min 65.1 32.6 13.0
|
31.9 15.9 6.4
|
15/15/4
|
| T 0.8 2 2
|
1.6 4 4
|
| Trolleying
|
m/min 38.6/25.2
|
2.8/2.2
|
| Necessary electric power
|
26.3
|
| Main supply ~380v/50hz
|
| Jib length(m)
|
47
|
| Counterbalance(t)
|
6.94
|
