New Tower Crane with Crane Top Made in China by Mingwei QTZ40(5008)
Shandong Mingwei Hoisting Equipment Co., Ltd 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
| Lifting Features Diagram: Loading chart |
2 Times Multiplying (2 falls) magnification
| Jib length (m) |
3-21.4 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
| Load (t) |
2 |
1.94 |
1.85 |
1.77 |
1.69 |
1.62 |
1.56 |
1.50 |
1.45 |
1.39 |
| Jib length (m) |
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
| Load (t) |
1.35 |
1.30 |
1.26 |
1.22 |
1.18 |
1.14 |
1.11 |
1.08 |
1.05 |
1.02 |
| Jib length (m) |
41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
| Load (t) |
0.99 |
0.97 |
0.94 |
0.92 |
0.89 |
0.87 |
0.85 |
0.83 |
0.81 |
0.80 |
4 Times Multiplying
| Jib length (m) |
3-10.966 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
| Load (t) |
4 |
3.98 |
3.64 |
3.36 |
3.10 |
2.89 |
2.70 |
2.54 |
2.39 |
2.26 |
2.14 |
| Jib length (m) |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
| Load (t) |
2.04 |
1.94 |
1.85 |
1.77 |
1.69 |
1.62 |
1.56 |
1.50 |
1.45 |
1.39 |
1.35 |
| Jib length (m) |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
41 |
42 |
| Load (t) |
1.30 |
1.26 |
1.22 |
1.18 |
1.14 |
1.11 |
1.08 |
1.05 |
1.02 |
0.99 |
0.97 |
| Jib length (m) |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
|
|
|
| Load (t) |
0.94 |
0.92 |
0.89 |
0.87 |
0.85 |
0.83 |
0.81 |
0.80 |
|
|
|
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 |
| Wire 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 |
Slewing(swing) Mechanism
|
Motor |
Model |
|
YZR132M-6 |
| Power |
kW |
3.7 |
| Reducer |
Model |
|
XX4-100.180 |
| Drive Ratio |
i |
180 |
| Coupler |
Model |
|
YOX.280 |
| Rotating Speed |
|
r/min |
0.6 |
| Trolleying Mechanism |
Motor |
Model |
YEZS112M-4/6 |
| Power |
kW |
2.2 |
1.5 |
| Reducer |
Type |
|
Grade One |
| Drive Ratio |
|
38 |
| Wire steel Rope |
Specification |
6×19-6.2-1770-1 |
| Rope Max. Attraction |
N |
5600 |
| Trolleying speed |
|
m/min |
22/33 |
| Hydraulic Jacking Mechanism |
Hydraulic pump station |
Model |
|
YQY Series |
| Working Pressure |
MPa |
20 |
| Oil Cylinder |
Model |
|
20.5 |
| Jacking Speed |
m/min |
0.4 |
| Max. jacking Force |
t |
50 |
| Motor |
Model |
|
Y132M-4 |
| Power |
KW |
5.5 |
| Jacking 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.
New Tower Crane with Crane Top Made in China by Mingwei QTZ40(5008)
Audited Supplier 
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