6ton Max. Load 25m Jib QTD Tower Crane Manufacturer Luffing crane supplier
FAQ for QTD Luffing Tower Crane
Q1: What is the Warranty for tower cranes?
A1: For the tower cranes, we can supply 1 year warranty. If there is quality problem of any parts (excluding easy worn spare parts) on our side during this period, we will supply a new one by free for replacement
Q2: What is the mean of QTD for tower crane model? And please illustrate.
A2: QTD is classified according to China National Standard.
“Q” is the acronym of Crane in Chinese language (Qing Zhongji);
“T” is the acronym of Tower head type in Chinese language (Ta Shi);
And “D” is the acronym of luffing jib in Chinese language (Dong Bi).
For example: QTD125 (5020) means luffing jib tower crane, the rated lifting moment is 1250 KN.m (125 is 10-1 of the rated lifting moment). The working jib length is 50 meter and tip load is 2.0t when jib length is 50m.
Q3: What are the optional parts for your tower cranes?
A3: 1) Anemometer
2) Air conditioner for operation cab
3) Black box for operation cab
4) Remote control
5) Full VFD (Variable Frenquency Drive) control
Q4: How many types of foundation for your tower crane?
A4: The most popular types of foundation are Cross-beam type, Well-shaped type, Base with ballast type and Outrigger type.
By the way, our commonly used one is Cross-beam type. If you need any other type, please let us know when you make the order. Thanks!
SERVICES FOR OUR TOWER CRANE
1. Installation, debugging, operators trainning;
2. Maintanence:
A. when trainning your operators, our engineers will give them advice on how to operate the machines correctly;
B. we will send you the operation manual which can help you operate the machins properly, it can also help you to solve the common problems;
C. Call us at any time if you have problems about our tower crane;
D. If needed, we will send engineers to your site to solve your problems.
2. Providing some documents for your customs clearance, like commercial invoice, packing list, certificate of origin etc;
3. Spare parts supply.
Specifications for tower crane
| Model | QTD2520 |
| Working Radius (m) | 25 |
| Max. Load Capacity (t) | 6tons |
| Tip Load (t) | 2.0 |
| Mast Section Height (m) | 34.5 |
| Mast Section dimension (m) |
| 1.2×1.2×3 (block type), angle steel 160 ×16mm |
| Hoisting Mechanism | Speed (m/min) | 0-86 0-43 |
| Motor type | YZTPF180L-4 |
| Reducer type | V3SH4-35.5-B-T |
| Slewing Mechanism | Speed (r/min) | 0-0.6 |
| Motor type | YTW132M2-6B5 |
| Reducer type | XX4-80.A1 |
| Trolleying Mechanism | Speed (m/min) | 0-10 |
| Motor type | YZPF200L1-4-26KW |
| Reducer type | V3SHS-20 |
| Jacking-up System | Speed (m/min) | 0.4 |
| Motor power (kw) | 5.5 |
| Total Power (kw) | 63 (not includes jacking-up system) |
| Power Supply | 380V/50Hz |
| No. of containers |
| 3 x 40’HQ containers (block mast section) |
Safety devices for tower crane
1) Wind lock device
2) Over load limit
3) Hoist height limit
4) Over speed limit
5) Slewing angle limit
6) Lifting moment limit
7) Emergency stop button
8) Obstruction light (tip of jib, tower head)
If any question about tower crane, please feel free to contact us. We are waiting for you!
