Topless Qtz50 (PT4810) Tower Crane for Sale
Advanced technical parameters, Good looks, popular in China and the world.
The machine adopts international popular form, beauty and generous.
Various working ways, stationary, external climbing and inner climbing types, is widely used in different construction sites.
Speeds of trolleying and slewing mechanisms are high, good speed adjusting performance, excellent stability.
Imported electronic control system, service life is 3to4 times than national assemblies, less faults, simple maintenance, reliable work.
Light structure, good stability, convenient transportation; Mast sections are SAW welding, safe and reliable. Advanced mechanisms, equipped with various safety devices, mechanical or Mechatronics products work in wretched conditions to keep tower cranes work well.
Advanced electronic appliances
Equipped with excellent safety devices produced by world-class technology, including weight limiter, moment limiter, height limiter, radius limiter, slewing limiter, slewing and trolleying brakes.
All safety device is completely to guarantee the safe and reliable work.
The operator's room is side independently on one side, with good vision field, it creates a good work environment for the operator
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
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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