Hammerhead Tower Crane, QTZ250(7032) Manufacturer

Hammerhead Tower Crane, QTZ250(7032)

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, QTZ250 (7032)

Description

The QTZ250 (7032) hammerhead tower crane manufactured by Dahan features the largest lifting capacity in our hammerhead tower crane series. It can lift a heavy load of up to 12t. The rate lifting moment is 225t·m and jib length is up to 70m. This hoisting crane offers a freestanding height of 52.5m, and by means of wall anchoring system, it can reach up to 225m. Plus easy erection and disassembly as well as reliable safety and cost efficiency, the heavy lifting crane has become a preferred choice for high rise construction projects. For more information about this construction equipment, please browse further or tell us by phone and email.

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)
● 1214	● 32	● 381	● 3239	● 1518	● 911
■ 1020	■ 170	■ 0	■ 4153	■ 1812	■ 1302
●: 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	0~45	45~90	0~22.5	22.5~45
	Max. lifting capacity	t	6.0	3.0	12	6.0
	Power	kW	55
Trolleying	Speed	M/min	0~63
	Power	kW	5.5
Slewing	Speed	R/min	0.7
	Power	kW	7.5×2
Jacking	Speed	M/min	0.55
	Operating pressure	Mpa	35
	Power	kW	11
Total power		kW	75.5 (No jacking mechanism )