Features of tower crane
1. Tower crane model:TC4810
2. maximum load capacity is 4t,Tip load is 1.0t
3. maximum radius is 48m.
4. Independent height is 30m,Max. Possible height is 120m.
5. Mast section dimension:1500*1500*2200,Main chord:160*12 Q235B
6. Rated lifting moment:500kn m
7. Slewing speed:0.63r/min
8. Derricking speed:26/37.5m/min
9. Jacking speed:0.4m/min
10. equipped with complete set of safety devices
Company Introduction
Shandong Mingwei Hoisting Equipment co.,Ltd as a professional manufacturer and sale for more than 20 years, advanced equipment and strong technique background enable us to engage in R&D and sales of tower crane and receive overwhelming public praise.
And now can offer tower cranes with a maximum lifting load form 2.5t to 20t, which is from QTG25, QTZ25, QTZ31.5, QTZ40, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160 and QTZ315, luffing tower crane, topless tower crane and so on to meet the demand of various kinds of customers in different construction works.
Main products
Topkit tower crane Topless Tower crane
QTZ50 (4810/5008) QTZ50P(4810/5010)
QTZ60(6010) QTZ63P(5013/5610/5011/5010)
QTZ63(5610/5010/5013) QTZ80P(5613/5017)
QTZ80(5513/6010) QTZ315P(7528)
QTZ100(6010/6013) Building hoist
QTZ125(6018/6515) SC200/200
QTZ315(7527/7040)
Packing & Shipping
Packing in 40HC container. If adopt CIF, we will find better shipping company for clients
Delivery time
Providing timely delivery, after advance payment , within 5-15 working days arrange shipping .
Our services
1. Customized service. We can do all special design according to your requirement
2. welcome visit our factory, learn about our factory and products.
3. 24 hours on line or phone , technical support
After sale service
1. The seller will send one of her professional technicians to the site of buyer to guide the erecting work.
2. 12(twelve)months (except for wire rope and AC contactor) after the equipment be well erected and we will offer spare parts whole year long.
3. lifelong time freely provide technical support .
Mechanical load factor | Hoisting mechanism | JC 40% |
| Slewing mechanism | JC 40% |
| Trolleying mechanism | JC 40% |
| Hoisting mechanism | Motor | Type | YZTD200L2-4/8/24 |
| Speed | r/min | 1440 | 720 | 220 |
| Power | kW | 15 | 15 | 4 |
| Reducer | Center distance | mm | 460 |
| Transmission ratio | i | 12.25 |
| Drum | Dia. | mm | Φ330 |
| Layers of rope |
| 4 |
| Capacity | m | 280 |
| Speed | r/min | 114 | 57 | 11.4 |
| Braker | Type | YWZ-250/45-10 |
| Braking force | N | 450 |
| Wire steel rope | Tractive force | N | 10000 |
| Spec. | 6×19-12.5-1770-I |
| Hoisting speed | m/min | 65.1/31.9 | 32.6/15.9 | 13.0/6.4 |
| Rated load | t | 0.8/1.6 | 2/4 | 2/4 |
| Min. Stable descending speed | m/min | ≤7 |
| Total weight | t | 1.2 |
| Slewing mechanism | Motor | Type | YZR132M-6 |
| Speed | r/min | 908 |
| Power | kW | 3.7 |
| Reducer | Type | H-100 |
| Transmission ratio | i | 195 |
| Outputing torque | N@m | 10000 |
| Slewing bearing | Type | QW.40.1120 |
| Small pinion gear | No. of modulus | m | 10 |
| No. of teeth | z | 13 |
| Modification coefficient | x | +0.5 |
| Hydraulic coupler | Type | YOX280A |
| Slewing speed | r/min | 0.6 |
| QTY of installation | set | 1 |
| Trolleying mechanism | Motor | Type | YD100L2-4/6 |
| Speed | r/min | 1440 | 960 |
| Power | kW | 2.4 | 1.5 |
| Reducer | Model | WCJ120 |
| Transmission ratio | 39 |
| Wire steel rope | Spec. | 6×19-7.7-1550-I |
| Line speed | m/min | 38.6/25.2 |
| Trolleying speed | m/min | 38.6/25.2 |
| Hydraulic jacking mechanism | Hydraulic pump | Work pressure | MPa | 20 |
| Power | kW | 4 |
| Type of oil pump | GB306 |
| Jacking cylinder | Rated pressure | M Pa | 20 |
| Dia. of cylinder | mm | Φ125 |
| Dia. of piston rod | mm | Φ90 |
| Stroke | mm | 1300 |
| Erection distance | mm | 1700 |
| Jacking speed | m/min | 0.4 |
| Max. Jacking force | t | 24.6 |
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