China Top Slewing Mini Crane 4ton Hammerhaed Tower Crane

Top slewing mini crane 4ton hammerhaed tower crane
>>>Product Description of mini tower crane:

With climbing cage, ISO CE Approval QTZ63-5010 self-ascending crane towers can change the height itself by adding and reducing its standard sections.
And the same tower crane can have different lengths of jib with different quantities of jib sections. We will offer the drawing of the same when the goods are delivered.
The pedestal can be fixed type of crossing beams and can also be with counterweight to save the space.
Our tower crane with drivers cabin with electric fans or air conditioners according to customers requirements.
For the safety, we can also offer indicator to show the load and height data of crane in service. Your satisfaction, our pursuit!
>>>Specification for 4808 Self-ascending Tower Crane:

seriesQTZ40 tower craneStandard Model4810Max. Lift Load4t tower craneTip Load1.0tFree Standing Height30mMax. Anchorage Height120mJib Length50mMast size1.6x1.6x2.5mLift MechanismLifting Speed(a=2)68/34 m/min
(a=4)34/17m/minLift motor18/18/5kwWire rope diameter12.5mmTrolley MechanismTrolley speed39/26 m/minTrolley Motor1.5/2.2kwSlewing MechanismSlewing speed0.72r/minSlew Motor3.7kw*2unitsJacking MechanismJack climbing speed0.4m/minJack climbing motor4kwPower380V/50Hz/3PLuxury Operate Cabin, Schneider Electric Parts

>>>Different Models of Tower Crane are Supplied:

ModelStandard ModelJib Length/mTip load /tMax Load/tQTZ31.54208420.83QTZ404808480.84QTZ505008500.845010501.04QTZ635010501.055013501.065610561.06QTZ805610 topless561.065513551.366010601.066010601.08QTZ1256015601.58 or 10QTZ1606516651.610QTZ250703070312 or 16QTZ315704070416 or 18QTZ4007055705.525QTD30203022.9QTD4015401.56QTK20250.82

>>>Detail Picture for Tower Crane:
>>>Feature&Advantage of the Tower Crane:
1. Hoisting Mechanism
The tower crane uses a large-size winding drum and the motor with three kinds of speed or with variable frequency system.
2. Slewing Mechanism
The continuously variable frequency speed regulation helps the balance crane to work with stable starting and braking as well as fast and accurate positioning. Therefore, our tower crane becomes the leading one in terms of performance and operability at home and abroad.
3. Luffing Mechanism
Adopting variable frequency speed regulation, the luffing mechanism works stably with little impact.
4. Control System
The PLC allows for automatic detection of electrical fault and issues corresponding sound and light alarm. Critical components are all procured from international famous enterprises.
5. Safety Protection Device
Our tower crane is equipped with many advanced or ingenious components apart from regular safety devices used in ordinary cranes for the purpose of enhancing its security and operating convenience.
6. Structure
Tanks to the advanced design tools, such as electro-mechanical design, CAD design, optimization design, and modular design, the tower crane proves to be a kind of optimum construction equipment that shows not only superb strength, stiffness and fatigue resistance but also outstanding comprehensive performance and reliability.
>>>Safety Features of the 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.
>>>Packaging & Delivery of Tower Crane:
Packaging Details: 40 HC containers; High quality Wodden cage for electrical parts Delivery
Delivery: 20-25 days after received the deposit in advance
>>>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.
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.
>>>Successful Case for Tower Crane:

>>>FAQ:
Please supply more detail to us:
1. Building height or tower crane working height.
2. Working range or jib length
3. Max load capacity and tip load capacity.
4. Other Special requirements
Then we will supply best offer to you.
Looking forward to have a nice cooperation with you!
If you show interest in our product, please do not hesitate to contact me!