Hammer Head Tower Crane Qtz80
QTZ80 tower crane adopts trolley, hydraulic system, on the rotary, and can be installed quickly and easily. The system adopts a two-speed motor wire rolling, to realize high speed light load and low speed overloading.
2 Falls
| Jib Length (m) |
3-26.9 |
27 |
29 |
31 |
33 |
35 |
37 |
39 |
41 |
| Load (t) |
3.00 |
2.99 |
2.74 |
2.53 |
2.34 |
2.17 |
2.02 |
1.89 |
1.77 |
| Jib Length (m) |
43 |
45 |
47 |
49 |
51 |
53 |
55 |
57 |
59 |
| Load (t) |
1.66 |
1.56 |
1.46 |
1.38 |
1.31 |
1.23 |
1.17 |
1.11 |
1.05 |
| Jib Length (m) |
60 |
|
|
|
|
|
|
|
|
| Load (t) |
1.00 |
|
|
|
|
|
|
|
|
Jib Length 54m
2 Falls
| Jib Length (m) |
3-28.38 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
| Load (t) |
3.00 |
2.92 |
2.80 |
2.70 |
2.58 |
2.49 |
2.39 |
2.30 |
2.22 |
| Jib Length (m) |
37 |
38 |
39 |
40 |
41 |
42 |
43 |
44 |
45 |
| Load (t) |
2.15 |
2.07 |
1.98 |
1.93 |
1.86 |
1.81 |
1.75 |
1.70 |
1.64 |
| Jib Length (m) |
46 |
47 |
48 |
49 |
50 |
51 |
52 |
53 |
54 |
| Load (t) |
1.59 |
1.54 |
1.50 |
1.45 |
1.41 |
1.37 |
1.33 |
1.29 |
1.255 |
Jib Length 60m
4 Falls
| Jib Length (m) |
3-14.61 |
15 |
17 |
19 |
21 |
23 |
25 |
27 |
29 |
31 |
33 |
| Load (t) |
6.00 |
5.83 |
5.07 |
4.47 |
3.99 |
3.59 |
3.25 |
2.97 |
2.72 |
2.51 |
2.32 |
| Jib Length (m) |
35 |
37 |
39 |
41 |
43 |
45 |
47 |
49 |
51 |
53 |
55 |
| Load (t) |
2.15 |
2.0 |
1.87 |
1.75 |
1.64 |
1.54 |
1.45 |
1.36 |
1.28 |
1.21 |
1.15 |
| Jib Length (m) |
57 |
59 |
60 |
|
|
|
|
|
|
|
|
| Load (t) |
1.08 |
1.03 |
1.00 |
|
|
|
|
|
|
|
|
Jib Length 54m
4 Falls
| Jib Length (m) |
3-15.58 |
17 |
19 |
21 |
23 |
25 |
27 |
29 |
31 |
33 |
35 |
| Load (t) |
6.00 |
5.44 |
4.80 |
4.27 |
3.84 |
3.48 |
3.17 |
2.90 |
2.67 |
2.47 |
2.28 |
| Jib Length (m) |
37 |
39 |
41 |
43 |
45 |
47 |
49 |
51 |
53 |
54 |
|
| Load (t) |
2.12 |
1.98 |
1.85 |
1.73 |
1.62 |
1.52 |
1.43 |
1.35 |
1.27 |
1.235 |
|
Basic Parameters:
| Mechanical Factor |
Hoisting Mechanism |
M5 |
| Slewing Mechanism |
M4 |
| Trolleying Mechanism |
M4 |
| Hoisting Mechanism |
Motor |
Model |
YZTD2-2/4/16 |
| Power(kW) |
24/24/5.4 |
| Height Limiter |
Model |
DXZ |
| Wire Steel Rope |
Spec. |
6X19+FC-12.5-1770-I |
| Falls |
a=2 |
a=4 |
| Lifting Speed (m/min) |
74 |
38 |
38 |
20 |
| Rated Load(t) |
1.5 |
3 |
3 |
6 |
| Min. Rate of Descend |
m/min |
≤7 |
| Slewing Mechanism |
Motor |
Model |
YZR132M2-6 |
| Power(kW) |
3.7×2 |
| Rotating Speed(r/min) |
908 |
| Reducer |
Model |
XX4-80.180 |
| Drive Ratio |
180 |
| Coupler |
Model |
YOX250A |
| Rotating Pinion |
Modulus m |
12 |
| Number of Teeth z |
15 |
| Modification coefficient |
+0.5 |
| Rotating Speed |
r/min |
0.63 |
| Slewing Bearing |
Single row four-point contact ball slewing bearing |
Model |
011·45·1250 |
| Modulus m |
12 |
| Number of Teeth z |
118 |
| Hydraulic Jacking Mechanism |
Motor |
Model |
Y132M-4B5 |
|
| Power(kW) |
5.5 |
|
| Rated Oil Cylinder Working Pressure |
Mpa |
25 |
|
| Max. Jacking Force |
t |
50 |
|
| Oil Cylinder Stroke |
mm |
1600 |
|
| Locating Distance |
mm |
2070 |
|
| Oil Cylinder Diameter |
mm |
φ160 |
|
| Oil Cylinder Piston Diameter |
mm |
φ125 |
|
| Jacking Speed |
m/min |
0.4 |
|
| Trolleying Mechanism |
Motor |
Model |
YDEJ132S-4/8 |
|
| Power(kW) |
3.2/2.2 |
|
| Wire Steel Rope |
Spec. |
6×19S+FC-7.7 |
|
| Reducer |
Model |
BL22-43-3.3 |
|
| Drive Ratio |
38 |
|
| Trolleying Speed |
m/min |
44/22 |
|
| |
|
|
|
|
|
|
|
|
Audited Supplier 
){kind=link}