Product Specifications
| Prod Model: |
Qtz50 (4810) |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Color: |
Red, Blue, Orange, Yellow |
| Max. Radius: |
48m |
| Max Load Moment: |
500kn@M |
| Free Standing Height: |
29m |
| Attached Height: |
120m |
| Brand: |
Mingwei |
Product Description
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 |
Shandong Mingwei Hoisting Equipment Co., Ltd. is located in Jinan east suburb---Mingshui economic and technical development zone, which is at the foot of mount Taishan, yellow river shoreline and Baotu spring\Baimai spring well-known throughout the countryOur company have cultivated a number of skilled workers at the production line. Which have 20000sq. M. Production workshop, 300 units for special production equipment and 15, 000, 000 RMB for capital assets.
More than 5000 crane in a year, is key enterprise of well-known crane production selling Quality is life of enterprise, detail makes difference. Standard operation, strictly check production of every procedure 100% pass rate of production...We got the certification of ISO90012000quality management system., becoming enterprise-free and honor the contracts and keep promises in Jinan business enterprise throughout company staff.
Have been successfully awarded "Shandong province construction machinery famous brand", "advanced unit", "ten top benefit enterprise" etc. Honors, and win the praise of users
After years of development Mingwei tower crane joins hand with Shandong province building academy of sciences and Shandon Foryou Co., Ltd, have developed fixing qtz25D, hydraulic self-rising qtz25, qtz31.5, qtz40, Qtz63, qtz80, qtz100, qtz125 and other the advanced tower cranes in domestic specifications at present, and obtains national quality certification. Our company also produce SC series construction hoist, LD type single-beam electric cranes, MX type 3-20T electric hoist gate-style cranes, LSY series jack screw, S concrete pump, PLD series concrete batcher, JS series forced double axis stirrer
"Strength builds competitive products, time forge splendor". Mingwei crane is reasonable structure, reliable performance, minimal maintenance, convenient dismounting, convenient transport and management, moderate price, high generalized and high cost performance. In long term usage, we are admired by our customer. Our company have opened 20 offices across the country, and set up after-sales service group to track service.
All stand "Mingwei" tower crane shadow across south and north of Yangtzi River, Qinhai-Tibet plateau, City and countryside, witness motherland great changes, development and stringing.
Under seizing the domestic market with steady steps, Mingwei tower crane expands the international market actively, and has successfully exported to Asia each country, Middle East and north America, which has become foreign trade long-term cooperation unit-------------China maximal crane export unit.
Although have experienced rains and winds, we still move forward. Believe the future will be better. This is Mingwei which is belong to Shandong, China, the world! -------reputation spread, global fame!
