Main mechanism details
1. Electrical mechanism
Our company use France Schneider contactor, and tests each hoisting mechanism under no-load, static load, dynamic load, etc. To ensure the brake reliable, safe and durable.
2. Hoist mechanism
Brake wheel adopts cast steel materials, surface quenching and external circular, control the Beating degree strictly. At the same time, also carrying on balance tests. Each hoisting Mechanism is carrying on no-load, static load, dynamic load and so on, guarantee the reliability, safety and durableness.
3. Derricking mechanism
Derricking mechanism with free maintenance planetary reducer and cone brake motor, is Well-knit in structure, stable and powerful in trolley, high endurance and low failure rate.
4. Slewing mechanism
Slewing motor adopts winding motor and hydraulic transmission. Slewing is stable and powering.
5. Operation device
Cabin with humanized design, is convenient and comfortable, facilitate for safe driving.
6. Mast section
Welding process use high-strength wire. Main joints use special steel and special process.
Company Introduction
1. We are manufacturer of tower crane and 20 years production experience.
2. Our company has specialized in the reach, develop, manufacture and serve of topkit Tower, topless tower crane, luffing tower crane and construction elevator. We 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 QTZ260.
3. Shandong Mingwei hoisting equipment Co., Ltd comes from introducing high-tech manufacturing equipment, and independently researching and developing by their own.
4. We are located in Jinan east suburb---Mingshui economic and technical development zone. With convenient transportation. Our Company is 35km away from Jinan International airport and 300km away from Qingdao port.
5. 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.
6. We comply with CE and ISO9001-2000 international quality management system standards.
7. Reliable quality, advanced technology, favorable 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.
| Rated hoisting moment (kN. m) |
4000 |
| Max hoisting moment (kN. m) |
4575 |
| Max height of hoisting (m) |
Stationary |
73 |
| Anchorages |
200 |
| Working Radius (m) |
Min Radius |
3.5 |
| Max Radius |
70 |
| Max hoisting capacity (t) |
Max height of hoisting |
≤ 100m |
25 |
| > 100m |
12.5 |
| QP2580Hoisting |
Fall |
2 |
4 |
| Lifting Weight /Speed (t/m/min) |
1/80 |
6.25/53 |
12.5/40 |
2/40 |
12.5/27 |
25/13.5 |
| Power (kW) |
63 |
| BP110Trolleying |
Speed (m/min) |
0~100 |
| Power (kW) |
11 |
| HPW55B. 100Slewing |
Speed (r/min) |
0~0.72 |
| Power (kW) |
3× 5.5 |
| Climbing |
Working Pressure (MPa) |
31.5 |
| Speed (m/min) |
0.46 |
| Counter-weight |
Max Working Radius (m) |
70 |
60 |
50 |
40 |
| Counter-weight (t) |
28.5 |
24 |
19 |
14.5 |
| Total Power (kW) |
90.5 (Excluding Climbing Mechanism) |
| Design wind speed at the top of the crane (m/s) |
Climbing |
14 |
| In Service |
20 |
| Out Of Service |
0~20m |
36 |
| 20~100m |
42 |
| 100m~ |
46 |
| Working Temperature (º C) |
-20~+40 |
| Main supply |
~380V/50Hz |
Radius and Capacity
70m jib
| (m) |
3.5~17.6 |
18 |
20 |
22 |
25 |
28 |
30 |
| (t) |
12.5 |
| (t) |
25 |
24.32 |
21.48 |
18.19 |
16.46 |
14.34 |
13.17 |
| (m) |
33 |
35 |
38 |
40 |
43 |
45 |
48 |
50 |
| (t) |
12.5 |
12.02 |
10.93 |
10.30 |
9.46 |
8.97 |
8.30 |
7.90 |
| (t) |
11.69 |
10.85 |
9.76 |
9.12 |
8.29 |
7.79 |
7.13 |
6.73 |
| (m) |
53 |
55 |
58 |
60 |
63 |
65 |
68 |
70 |
| (t) |
7.37 |
7.04 |
6.59 |
6.32 |
5.95 |
5.72 |
5.40 |
5.20 |
| (t) |
6.19 |
5.87 |
5.42 |
5.15 |
4.77 |
4.54 |
4.22 |
4.03 |
60m jib
| (m) |
3.5~17.9 |
18 |
20 |
22 |
25 |
28 |
30 |
| (t) |
12.5 |
| (t) |
25 |
24.93 |
22.03 |
18.67 |
16.89 |
14.73 |
13.53 |
| (m) |
33 |
35 |
38 |
40 |
43 |
45 |
48 |
50 |
| (t) |
12.50 |
12.33 |
11.21 |
10.57 |
9.71 |
9.20 |
8.52 |
8.12 |
| (t) |
12.02 |
11.16 |
10.04 |
9.39 |
8.53 |
8.03 |
7.35 |
6.94 |
| (m) |
53 |
55 |
58 |
60 |
|
|
|
|
| (t) |
7.57 |
7.23 |
6.78 |
6.50 |
|
|
|
|
| (t) |
6.39 |
6.06 |
5.60 |
5.33 |
|
|
|
|
50m jib
| (m) |
3.5~18.1 |
20 |
22 |
25 |
28 |
30 |
33 |
| (t) |
12.5 |
| (t) |
25 |
22.24 |
18.85 |
17.06 |
14.87 |
13.67 |
12.14 |
| (m) |
35 |
38 |
40 |
43 |
45 |
48 |
50 |
|
| (t) |
12.45 |
11.32 |
10.67 |
9.80 |
9.29 |
8.61 |
8.20 |
|
| (t) |
11.27 |
10.15 |
9.50 |
8.63 |
8.12 |
7.44 |
7.03 |
|
40m jib
| (m) |
3.5~18.3 |
20 |
22 |
25 |
28 |
30 |
33 |
| (t) |
12.5 |
| (t) |
25 |
22.51 |
19.08 |
17.27 |
15.06 |
13.84 |
12.30 |
| (m) |
35 |
38 |
40 |
|
|
|
|
| (t) |
12.5 |
11.46 |
10.80 |
|
|
|
|
| (t) |
11.42 |
10.29 |
9.63 |
|
|
|
|
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