2013 popular self erecting tower crane

self erecting tower crane, 1.CE, GOST, ISO, 2.Have more than 20 years manufacture history, 3.Export to more than 30 countie - details see: https://www.machineto.com/2013-popular-self-erecting-tower-crane-10098878

Place of Origin:Henan China (Mainland)	Brand Name:Bona	Model Number:QTZ 50(5009)(4810)	After-sales Service Provided:Engineers available to service machinery overseas
Radius(m):50/48	Hook Height(m):29	Max.height(m):120	Max.hoisting Capacity(t):4
Standard Mast Section Size(M):1.51.52.22.2/1.51.5*2.5	Hoisting Spees(r/min):70/35/10.8	Slewing Speed(r/min):0.62	Luffing Speed(r/min):38.6/25.2
Power capacity:24.9

self erecting tower crane

Advantages of self erecting tower crane :

1. AC contactor,thermprl protector adopt Schneider which is high quality product,stable and reliable in performance

2. The mechanisms adopt the product the products of professional manufacturer,stable and reliable in operation.

3. The first domestic robot welding production line has achieved the main welding quality and reached the international advanced level.

4. Steel structure parts all achieve impeller blasting,improve the surface hardness of steel,enhance the coating adhension,extend equipment useful life.

5. Mast sections adopt split structure, convenient for transportation and storage, save the long distance freight

6. The main chord of mast section adopts Q345B material, fine adaptability to environment

7. The mechanism adopt foreign advanced technical products, reliable in performance

8. High working speed and efficiency, great speed-adjustment performance, and stable running

9. Wide working range, various working methods and great applicability

Technical Parameter of self erecting tower crane :

Main Technical Parameter
Model	TC4510
Max. Load	4(t)
Jib Length	45(m)
Mast Section	1.5×1.5×2.5(m)
Tip Load	1.0(t)
Independent d Height	35(m)
Designed Height	100 (m)
Necessary Electric Power	21.7 KW
Hoisting System
Lifting Speed
a=2	76/38/10m/min
Falling Speed	≤5 m/min
Characteristics
l Adopting three-speed coiling electromotor with whirlpool brake; l Adopting whirlpool braking motor to reach ideal lifting speed and slow in position of loading
Slewing System
Slewing Speed	0.77 r/min
Slewing scope	720°
Power	2×3.7 KW
Characteristics
l Adopting hydraulic coupler for transmission, working steady and reliable l There is no shaking or swing while rotating l It can rotate as winds , to decrease the wind influence and ensure safety .
Trolley System
Trolley Speed	21.6/43.2m/min