Hammerhead Tower Crane, QTZ50(4810)

, QTZ50 (4810)
Description

With the maximum lifting capacity of 4 tons, 29m freestanding hook height, 120m maximum hook height by means of anchor devices and the maximum radius of 48m, our QTZ50 (4810) series hammerhead tower crane serves as the most commonly used hoisting machinery for medium and low rise construction projects. This building crane has won great reputation among construction machinery agents and construction project contractors.


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)
● 350	● 14	● 98.6	● 420	● 305	● 130
■ 286	■ 56.5	■ 0	■ 600	■ 383	■ 240
●: 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)