Topless tower crane/Flattop tower crane QTZ50(5008)
Shandong Mingwei Hoisting Equipment Co., Ltd is is a diversified production enterprise
which is mainly engaged in production of tower cranes and integrates production of hoisting equipment, building machinery, tower cranes and tower hoists.
After 20 years of development, the company has successively researched many kinds of
the most advanced tower cranes such as fixed QT25D
and hydraulic self elevating QTZ25, QTZ31.5, QTZ40, QTZ63, QTZ80, QTZ100,QTZ125.
| Characteristics-Tower Crane |
1.The using steel is 16M and Q235B which the manufacture is Shanghai Baosteel.
After test for qualified, then can use.
2.Painting Process. After shot-blast cleaning, spraying anti-rust paint, then spray paint.
3.Welding process use high-strength wire.
Main joints use special steel and special process.
4.Electric device.Use international well- known manufacturers' electrical products, such as Schneider.
5.Motor, deceleration devices use domestic famous manufacturers' products,
eg: Shanghai, Jiangxi Special Electric Motor Co., Ltd.,Tianjin etc, to ensure the long life.
6.For cab, electrical device box, acid cleaning and parkerising,
then painting, to ensure a long usage life.
7.Machine total weight is 3-5 tons heavier
than the same type of tower crane in other manufacturers.
8.Each device is in strict test, then can packed to ship,
to ensure that the trouble after leave the factory reduced to the minimum.
9.Reliable quality, advanced technology, reasonable price, the best configuration,
high safety factor, cost-effective
Hoisting
Mechanism |
Motor |
Model |
|
YZD200L1-4/8/24 |
| Power |
kW |
15 |
13 |
3.5 |
| Reducer |
Total Drive Ratio |
i |
12.64 |
| Drum |
Rope Capacity |
m |
280 |
| Brake |
Model |
|
YWZ-250-40 |
| Brake Moment of Force |
N·m |
600 |
| Steel Rope |
Rope Max. Attraction |
N |
16500 |
| Specification |
|
6×37-11-1770-I |
| Lifting Speed |
2 Time Multiplying Power |
m/min |
62 |
31 |
7.7 |
| 4 Time Multiplying Power |
31 |
15 |
3.8 |
Swing Mechanism
|
Motor |
Model |
|
YZR132M-6 |
| Power |
kW |
3.7 |
| Reducer |
Model |
|
XX4-100.180 |
| Drive Ratio |
i |
180 |
| Liquid Coupling |
Model |
|
YOX.280 |
| Rotating Speed |
|
r/min |
0.6 |
| Jib Luffing Mechanism |
Motor |
MModel |
YEZS112M-4/6 |
| Power |
kW |
2.2 |
1.5 |
| Reducer |
Type |
|
Grade One |
| Drive Ratio |
|
38 |
| Steel Rope |
Specification |
6×19-6.2-1770-1 |
| Rope Max. Attraction |
N |
5600 |
| Luffing Speed |
|
m/min |
22/33 |
| Hydraulic System |
Hydraulic Power Pack |
Model |
|
YQYS Series |
| Working Pressure |
MPa |
20 |
| Lifting Oil Cylinder |
Model |
|
20.5 |
| Lifting Speed |
m/min |
0.4 |
| Max. Lifting Force |
t |
50 |
| Motor |
Model |
|
Y132M-4 |
| Power |
KW |
5.5 |
| Revolving Speed |
r/min |
1440 |
1. Providing timely delivery, standby engineers are ready to solve any of your problem
2. Providing all-embraced warranty of products quality, work-site installation guidance
3. Providing ample spare parts and training of operation and maintenance
4. Engineers have more than 20 years' experience in tower crane,
ready to solve any of your problems.
| Frequently Asked Question |
Q1: Whether you can provide customized products?
A1: Yes. We are hi-tech enterprise affiliated to China Academy of Building Research.
We have a group of engineers, who have title of professor,senior engineer and engineer. We can give you special design as per the drawings of your building,
helping you solve different problems faced in your projects.
Q2: Whether customized products takes a very long time to design and manufacture?
A2: Not exactly. Normally for us, some amendment in design to adapt your requirement will
take one week. so even for your special project,
it will be about 30-40 days delivery time.
Q3: What kind of services you can provide?
A3: We are dealing with construction machinery for about 15 year.
High quality is our advantage, and high technology is our core competency.
We ensure that all the machine have been completely tested in our factory
before delivery. We will give you one year warranty for complete machine.
For problems caused by our production defect,
we will provide you free services by sending skilled engineer there.
Tower Crane Characteristics
Compared to other company's construction machinery, MINGWEI construction machinery has the following features:
1. The using steel is 16M and Q235B which the manufacture is Shanghai Baosteel. After test for qualified, then can use.
2. Painting Process. After shot-blast cleaning, spraying anti-rust paint, then spray paint.
3. Welding process use high-strength wire. Main joints use special steel and special process. Mingwei company is the first company to adopt mast sections and main chord robot automatic welding system in China. The system is reliable in performance and high efficiency with high degree of automation, so that one worker can observe several welding systems. The quality and efficiency of welding are greatly improved. In terms of the welding quality of main load structure, the products reach the advanced international standard.
4. Electric device. Use international well-known manufacturers' electrical products, such as Schneider.
5. Motor, deceleration devices use domestic famous manufacturers' products, eg: Shanghai, Jiangxi Special Electric Motor Co., Ltd.,Tianjin etc, to ensure the long life.
6. For cab, electrical device box, acid cleaning and parkerising, then painting, to ensure a long usage life.
7. Machine total weight is 3-5 tons heavier than the same type of tower crane in other manufacturers.
8. Each device is in strict test, then can packed to ship, to ensure that the trouble after leave the factory reduced to the minimum.
9. Reliable quality, advanced technology, reasonable price, the best configuration, high safety factor, cost-effective ---MINGWEI products is trust worthy, we can ensure the customers buy the products assured and use happy.
Our services
1. 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-Sales 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 .
Contact Us
Shandong Mingwei Hoisting Equipment Co., Ltd
Ms. Catherine Du
Mobile: 00-86-15910087784
Our Products including Hammerhead Tower Crane, Flat Top Tower Crane, Inner Climbing Tower Crane, and Construction Building Hoist.
If you want to buy tower crane, and find china tower crane dealer and tower crane seller, Shandong Mingwei is you best selected. Welcome for your inquiry. We will supply the high quality tower crane of reasonable price. Sincerely welcome your inquiry to our products!
Topless tower crane/Flattop tower crane QTZ50(5008)
Audited Supplier 
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