China Construction Machinery Topless Tower Crane
1.Product description of topless tower crane
This series of tower cranes, ranging from QTZ31.5 to QTZ315 has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism. It is original in design, reliable in operation and satisfactory in shape. Equipped with all necessary safety devices, these cranes show a good speed-control capacity, satisfactory operating stability and high work efficiency. They can be widely used for the construction of high-rise hotels, residential buildings, high-rise industrial buildings, large-span factory buildings and tower-like buildings like tall chimneys.
What we supply of topless tower crane
| Model |
Standard Model |
Jib Length/m |
Tip load /t |
Max Load/t |
| QTZ31.5 |
4208 |
42 |
0.8 |
3 |
| QTZ40 |
4808 |
48 |
0.8 |
4 |
| QTZ50 |
5008 |
50 |
0.8 |
4 |
| 5010 |
50 |
1.0 |
4 |
| QTZ63 |
5010 |
50 |
1.0 |
5 |
| 5013 |
50 |
1.0 |
6 |
| 5610 |
56 |
1.0 |
6 |
| QTZ80 |
5610 topless |
56 |
1.0 |
6 |
| 5513 |
55 |
1.3 |
6 |
| 6010 |
60 |
1.0 |
6 |
| 6010 |
60 |
1.0 |
8 |
| QTZ125 |
6015 |
60 |
1.5 |
8 or 10 |
| QTZ160 |
6516 |
65 |
1.6 |
10 |
| QTZ250 |
7030 |
70 |
3 |
12 or 16 |
| QTZ315 |
7040 |
70 |
4 |
16 or 18 |
| QTZ400 |
7055 |
70 |
5.5 |
25 |
| QTD3020 |
\ |
30 |
2 |
2.9 |
| QTD4015 |
\ |
40 |
1.5 |
6 |
| QTK20 |
\ |
25 |
0.8 |
2 |
2-Feature&advantage of topless tower crane
1.suitable for all kinds of construction project and can work under all kinds of work condition.
2.It has high working speed, good speed-adjusting performance, steady operation and high efficiency.
3.The crane has complete set of safety devices, which can guarantee the safe and high efficienct operation of the equipment.
4.Three-speed motor and mono-speed ratio decelerator are applied in the lifting struction, which enables heavy load low speed and light load high speed.
5.Planet gear decelerator is applied in the circumgyrating structure, together with moment-limiting hydraulic coupler, which can relize high load capacity, steady starting and reliable operation.
3-Safety features of topless tower crane:
1. Overload protection: If the material is over the capacity, the crane will give a sharp warning for protection itself.
2. Emergency brake: If the operation staff encounter some emergency situation, we could start the emergency brake system to protection the related treasure.
3. Control Method: Room control or remote control to avoid any injure to the operation staff
4. Main lifting motor: with thermal protection and currency protection.
4-Packaging & Delivery
Packaging Details: 40 HC containers; high quality Wodden cage for electrical parts Delivery
Detail: 20-25 days after received the deposit in advance
5-Technical Support:
Tavol Cranes Group is the professional Tower Crane Manufacturer and Exporter in China
We have our own technical team and sales team , can do all special design according to
your requirement .We have our own factory , welcome to visit our factory at your time and
learn about our factory and products.
24 hours online service and support, call or contact us by Skype, QQ, MSN etc.
We are sure we can give you best service .
6-Tavol Tower Crane Woshop :
1- One year warranty for whole machines.
2- Providing free quick-wear part.
3- Low charge for continue maintenance when warranty is expired.
4- Exclusive engineer support at any time.
5- We can provide free training to end-users.
FAQ
Please supply more detail to us:
1. Building height or tower crane working height.
2. Wokring range or jib length
3. Max load capacity and tip load capacity.
4. Other Special requirements
Welcome you come to our factory to test machine! All construction cranes or other equipments can be maintained or modified and repainted as clients' requirement.
If you show interest in our product, please do not hesitate to contact me!
Audited Supplier 
Audited Supplier 
){kind=link}
){kind=link}