Toplessqtz50 (PT4810) Construction Equipment
1 Hoisting Mechanism <o:p>
Three-gear speed modulation by electrical motor or frequency conversion, giant winch. <o:p>
2 Rotation Mechanism
Speed modulation with frequency conversion, stable break, accurate position, outstanding on performance and operation all around the world. <o:p>
3 Lifting Mechanism
Speed modulation with frequency conversion, less concussion, stable operation. <o:p>
4 Control System
PLC control, auto diagnosis on electric malfunction, corresponding alarm on light and sound, key components adopting international top brand product.<o:p>
5 Security & Protection Mechanism
Besides security mechanism usually used in domestic tower crane adopted,MingWei tower crane adopted lots of advanced mechanism self-developed by MingWei, to keep the security of the tower crane and convenient operation, such as unique double tighten mechanism on lifting steel cable, anti-break mechanism on sliding vehicle, anti-drop<o:p>
Tower Crane Model: ToplessQTZ50(PT4810)
Free Standing Height/Max. Height:29m/120m
Jib Length : 30---48
Mast Section/Material:∠160×160×12/Q345B
Size of Mast Section, L×W×H:1500×1500×2200
Collar Ties Situation: Distance between first collar tie and the ground 22400mm
Other Distance 16500mm
Suspension Height no more than 20m
Balanced Weight /Jib Length: 7.1t/48m;6.04t/42m ;4.98t/36m
Total Power: 25.9Kw
Loading Chart::
Basic Parameters:
Hoisting
Mechanism |
Motor |
Model |
|
YZTD200L1-4/8/24 |
| Power |
kW |
15 |
15 |
4 |
| Reducer |
Total Drive Ratio |
i |
12.64 |
| Drum |
Rope Capacity |
m |
280 |
| Brake |
Model |
|
YWZ-250-40 |
| Wire Steel Rope |
Spec. |
|
6×37-11-1770-I |
| Rope Max. Attraction |
N |
16500 |
| Lifting Speed |
2 Falls |
m/min |
62 |
31 |
7.7 |
| 4 Falls |
30 |
15 |
3.8 |
| Trolleying Mechanism |
Motor |
Model |
YDEJ112L2-4/6 |
| Power |
kW |
2.2 |
1.5 |
| Reducer |
Type |
|
Grade one |
| Drive Ratio |
|
38 |
| Wire Steel Rope |
Spec. |
6×19-6.2-1770-1 |
| Rope Max. Attraction |
N |
5600 |
| Trolleying Speed |
|
m/min |
22/33 |
Slewing Mechanism
|
Motor |
Model |
|
YZR132M-6 |
| Power |
kW |
3.7 |
| Reducer |
Model |
|
XX4-100.180 |
| Drive Ratio |
i |
180 |
| Coupler |
Model |
|
YOX280A |
| Rotating Speed |
|
r/min |
0.63 |
| Hydraulic Jacking System |
Motor |
Model |
|
Y132M-4 |
| Power |
KW |
4 |
| Rotating Speed |
r/min |
1440 |
| Hydraulic Pump Station |
Model |
|
YQY |
| Working Pressure |
MPa |
20 |
| Oil Cylinder |
Model |
|
|
| Jacking Speed |
m/min |
0.4 |
| Max. Jacking Force |
t |
30 |
|
|
|
|
|
|
|
|
Audited Supplier 
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