Hammerhead Tower Crane, QTZ50(5008)

, QTZ50 (5008) Description

QTZ50 (5008) is a highly welcomed hammerhead tower crane in building industry designed with the maximum jib length of 50m. It can lift a 4t heavy load and handle it from one place to another. This jib crane comes with a free standing hook height of 29 meters, and it can reach up to 120 meters in virtue of anchoring system.


Balance Weight


Foundation Load


(1) Vertical force V, (2) Tilting moment M, (3) Torque Mk,(4) Horizontal force H

V(KN)	H (KN)	MK (KN · m)	M (KN · m)	F1 (KN)	F2 (KN)
● 354	● 14	● 100	● 450	● 315.5	● 138.5
■ 290	■ 57	■ 0	■ 590	■ 370.5	■ 225.5
●: In service, ■: Out of service, F: Force of Reaction

Load Diagram


Wall Anchoring Assembly

Mechanisms of the Hammerhead Tower Crane

Hoisting		Fall	/
		Speed	M/min	10.8	35	71	5.4	17.5	35
		Max. lifting capacity	t	2	2	0.8	4	4	2
		Power	kW	15/15/4
Trolleying		Speed	M/min	40/20
		Power	kW	2.4/1.5
Slewing Jacking		Speed	R/min	0.6
		Power	kW	3.7
		Speed	M/min	0.4
		Operating pressure	Mpa	20
		Power	kW	4
Total power			kW	21.1 (Without jacking mechanism)

Related Names
Tower crane exporter, construction tower crane, heavy machinery