tc7030 topless tower crane
Load capacity of the topless tower crane
|
Jib length
|
fall
|
R(cmax)
(m)
|
C(max)
(t)
|
30
|
34
|
40
|
44
|
50
|
54
|
60
|
64
|
70
|
74
|
|
74
|
IV
|
14.3
|
18.0
|
7.01
|
6.16
|
5.05
|
4.48
|
3.80
|
3.43
|
2.98
|
2.72
|
2.39
|
2.20
|
|
II
|
25.9
|
9
|
7.66
|
6.66
|
5.55
|
4.98
|
4.30
|
3.93
|
3.48
|
3.22
|
2.89
|
2.70
|
|
70
|
IV
|
14.6
|
18.0
|
7.42
|
6.39
|
5.25
|
4.66
|
3.96
|
3.58
|
3.11
|
2.84
|
2.5
|
|
|
II
|
26.7
|
9
|
7.92
|
6.89
|
5.75
|
5.16
|
4.46
|
4.08
|
3.61
|
3.34
|
3.00
|
|
Key Specifications/Special Features of the big tower crane:
- Model number: QTZ250(TC7030/tc7427)
- Maximum lifting weight: 18-ton
- Maximum working range: 70/74m
- End lifting weight: 3.0-2.7ton
- Working range: 3 to 70m or3 to 74m
- Lifting capacity: 9/18T (α=2/α=4)
- Stationary alone high: 62m
- Anchored high: 206m
- Hoisting speed: (a=2) 0-63/min (a=4) 0-31.5/min
- Derricking speed: 0-65m/min
- Slewing speed: 0-0.7r/min
