Tower Crane
Description of Tower Crane The tower cranes,Website:, ranging from QTZ20 to QTZ315, is among Dowin Group's leading products. With their working radius varying from 30m to 70m, QTZ tower cranes are famous for their large operating ranges, varied working methods and wide uses. This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism. It is original in design, reliable in operation and satisfactory in shape. Equipped with all necessary safety devices, these cranes show a good speed-control capacity, satisfactory operating stability and high work efficiency. They can be widely used for the construction of high-rise hotels, residential buildings, high-rise industrial buildings, large-span factory buildings and tower-like buildings like tall chimneys. Main parameters of Tower Crane
Model
QTZ500(8031)
QTZ315(7035)
QTZ300(7031)
QTZ200(7020)
QTZ160(6516 6018
QTZ125A/125F(6015)
SF120L Luffing Tower
QTP100(5515)
QTP80(5511)
Max.Radius(M)
80
70
70
70
65/60
60
40
55
55
Independent Height(M)
77
53
50
50
50/46
46
50
43.5
41
Max.Lifting Capacity(T)
25
16
12
12
10
8/10
3
6
6
Max.Height(M)
322
301
221
200
200
201
130
161
161
Wall-attached frame
7
11
8
7
6
6
3
6
6
Main Material
L180²x18 (angle steel welding)
140²x16 angle steel welding
135²x12 square steel tube
Standard Mast Section Dimension
2.45x2.45x5
2.08x2.08x3
2.08x2.08x3
2.08x2.08x3
1.94x1.94x2.8/ 1.84x1.84x2.8
1.84x1.84x2.5
1.67x1.67x2.5
1.84x1.84x2.5
1.84x1.84x2.5
Hoisting Speed(m/min)
0-102
0-120
0-102
0-102
100/50/10/0-80
100/50/8.5/0-80
0-80
80/40/10
80/40/10
Mini.Stabilizing Falling Speed(m/min)
2
2
2
2
5/3
4.25/3
3
5
5
Slewing Speed(r/min)
0-0.7
0-0.7
0-0.7
0-0.7
0-0.60/0-0.7
0-0.65/0-0.7
0.77
0-0.65
0-0.6
Traveling Speed(m/min)
0-100
0-80
0-80
0-80
0-60
0-60
50/11
40/20
40/20
Climbing Speed(m/min)
0.4
0.46
0.46
0.46
0.4/0.5
0.5
0.6
0.6
0.5
Motor Total Power(kw)
134
117.5
117.5
117.5
86.5/71
67/71
64
38.3
38.3
Independent Structure Weight(kg)
175000
89300
80900
72300
61150/55094
54094
45100
43800
38378
Counter Weight(T)
25.4
27.75
25.8
27.75
18.65/20.88
19.08/19.58
12.0
16.5
14
Model
QTA80A(6010)
FT-100L Luffing Tower
QTZ63F (5810 5613)
QTZ63B(5610)
QTZ63C(5211)
QTZ50/50A(5010 4808)
QTZ40/40B(4708)
QTZ40A(4708)
QTZ31.5(3883 4262)
Max.Radius(M)
60
35
58/56
56
52
50/48
47
47
42
Independent Height(M)
46
45
41
41
40
34
32.5/34
29
30
Max.Lifting Capacity(T)
8
3
6
6
6
5
4
4
3
Max.Height(M)
201
130
161
161
140
139
135/136
120
100
Wall-attached Frame
8
3
7
6
6
7
6
6
5
Main Material
135²x12 square steel tube
L200x20 Angle steel
135²x10 Square steel tube
160x14 (angle steel) 160x16 Reinforcing mast section
160x16 angle steel
160x16 angle steel
140x16 angle steel
125x10 angle steel
Standard Mast Section Dimension
1.84x1.84x2.5
1.2x1.2x2.5
1.84x1.84x2.5
1.84x1.84x2.5
1.62x1.62x2.5
1.5x1.5x2.5
1.5x1.5x2.5
1.5x1.5x2.2
1.5x1.5x2.4
Hoisting Speed(m/min)
80/40/10
0-50
80/40/10
80/40/10
80/40/10
58/29/8
70/35/9
70/35/9
53.7/26.6/5.2
Mini.Stabilizing Falling Speed(m/min)
5
3
5
5
5
4
4.5
4.5
5.2
Slewing Speed(r/min)
0-0.6
0-0.6
0-0.62
0-0.62
0-0.62
0-0.62
0-0.62
0-0.62
0-0.6
Traveling Speed(m/min)
0-60
50/10
40/20
40/20
40/20
40/20
40/20
40/20
40/20
Climbing Speed(m/min)
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.7
Motor Total Power(kw)
56.4
44.5
38.3
38.3
32.8
23
21.1
21.1
21.1
Independent Structure Weight(kg)
44900
35280
37800/37600
36800
33279
26800/24650
24539/22780
21021
18961
Counter Weight(t)
15.8
10.5
16.2
14.85
11.52
10.01/9.31
8.30
8.30
5.61
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