Hammerhead Tower Crane, QTZ40(4808)

, QTZ40 (4808)
Description

The QTZ40 (4808) hammerhead tower crane is a 4t tower crane. That means its maximum lifting capacity is up to 4 tons. In addition, the maximum lifting moment is 40t·m and effective working radius ranges in 3- 48m. Its free standing hook height is 29m, and with addition of anchorage devices, the slewing tower crane can reach up to 120m. For more information about this building machinery, please browse further or contact us at any moment.


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)
● 344	● 14	● 98.6	● 408	● 298	● 126
■ 280	■ 56.5	■ 0	■ 611	■ 387	■ 247
●: 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	10.9	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	0.62
		Power	kW	3.7
		Speed	M/min	0.4
		Operating pressure	Mpa	20
		Power	kW	3
Total power			kW	21.1 (Without jacking mechanism)