Qtz400series 7055 25ton Top Slewings Crane

• Customization: Available
• After-sales Service: 1 Years
• Warranty: 14 Months From The B/L Date
• Model NO.: QTZ400-7055
• Condition: New
• Application: Building, Construction
• Rated Max.Load: 25ton
• Rated Tip Load: 5.5ton
• Free Standing Height: 71.8m
• Max.Lifting Height: 252m
• Span: 70m
• Mast Section: 3X3X4.5m
• Transport Package: 40hc Container
• Specification: SGS ISO BV
• Trademark: Tavol
• Origin: Shandong, China
• HS Code: 84262000
• Production Capacity: 200sets/Year

Product Description

Product Description

QTZ400 Series 7055 25ton Top slewings Crane

QTZ400 7055

Series	QTZ400
Standard Model	7055
Max. Lift Load	25t
Tip Load	5.5t
Free Standing Height	71.8m
Max.Anchorage Height	252m
Jib Length	70m
Mast size	3×3×4.5m
Lift Mechanism	Lifting Speed	(a=2) 90/67.5/6.3~45m/min (a=4) 45/33.8/3.2~22 m/min
	Lift motor	110 kw
	Wire rope diameter	22 mm
Trolley Mechanism	Trolley speed	0~60 m/min
	Trolley Motor	11 kw
Slewing Mechanism	Slewing Speed	0~0.7 r/min
	Slew Motor	185N.m×2 units
Jacking Mechanism	Jack Climbing Speed	0.4 m/min
	Jack Climbing motor	11 kw
Power	380V/50Hz/3P

 

1.Product description
This series of tower cranes, ranging from QTZ31.5 to QTZ400 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.
2-Feature&advantage
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:
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
Technical Support:
24 hours online service and support, call or contact us by Skype, QQ, MSN etc. 
can solve your questions at the first glance

After-sales 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.

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 


Contct us:
Ms.Amy Lu
Sales Manager
SHANDONG TAVOL MACHINERY CO.,LTD