Tower Crane QTZ500

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, QTZ500 (TC7046/7550)

The QTZ500 32T hammerhead tower crane is most often used for thermal power plants and large road and bridge projects. The large rotary tower crane uses internationally advanced technology and the latest designs for reliable performance. This topkit crane model has hoisting, slewing, walking, and climbing features.

General Specifications of the Hammerhead Tower Crane

Specification
Model	TC7046/7550	Type	Stationary
Height	73 m	Jib length	70/75 m
Max. load	32 tons	Tip load	4.6/5 tons
Mast section dimension	2.52.55.95 m
Mechanism
Hoisting	110JLF
Slewing	JH15T1
Trolleying	15DFV16

Mechanisms		Hoisting		M5
		Slewing		M4
		Trolleying		M4
Rated load moment ( KN·m )		5000
Jib length (m)		Min. 5.7		Max. 75
Height		Free standing		Anchored
		73m		275.3m
Max. load (t)		32
Hoisting mechanism	Model	110JLF63
	Falls	a=2		a=4
	Load (t)	8		16	16	32
	Speed (m/min)	0-34		34-70	0-17	17-35
	Power (KW)	110
Trolleying mechanism	Model	15DFV16
	Speed (m/min)	0-56.25
	Power (KW)	15
Slewing mechanism	Model	JH15T1
	Speed (r/min)	0-0.7
	Power (KW)	11X2
Jacking mechanism	Power (KW)	15
	Speed (m/min)	0.3
	Work pressure ( MPa )	31.5
Balanced weight	Hoisting jib (m)	40	40	60	70	75
	Balanced jib (m)	24	24	24	24	24
	Load (t)	18	25	30	35	40
Total power (KW)		147 (without jacking mechanism)
Work temperature (ºC)		-10~ 40

Detailed Parameters of Tower Crane Mechanisms

Hoisting mechanism	Model				Unit	110JLF63
	Max. Pulling force				KN	80
	Steel wire rope		Spec.			6X36WS FC (Ø24)
			Max. Line speed		m/min	70
	Drum		Speed		r/min	26
			Capacity		m	880 (5 layers)
	Motor		Model			YZD315S1-4B3
			Power		KW	110
			Speed		r/min	1486
	Reducer		Ratio		i	47.3
	Brake				N·m	2240
Trolleying mechanism	Model					15DFV16
	Max. Pulling Force				KN	23
	Steel wire rope		Specification			6X19W FC (Ø12.5)
			Max. Line speed		m/min	56.25
			Length	40m jib	m	Steel wire rope I	80	Steel wire rope II	55
				50m jib	m		100		65
				60m jib	m		120		75
				70m jib	m		140		85
				75m jib	m		150		90
	Speed of drum				r/min	0-48
	Motor	Model				YPEJ132L-4
		Power			KW	15
		Speed (50HZ)			r/min	1400
	Reducer ratio				i	35
	Brake moment				N·m	150
Slewing mechanism	Model				Unit
	Motor	Model				YTRVF160L2-6F1
		Power			KW	11x2
		Speed			r/min	960
	Reducer	Model				JH15T1
		Ratio			i	160
	Slewing bearing	Modulus m				16
		Teeth Z				13
		Coefficient factor X				0.5
	Total ratio					160
	Speed					0~0.7
Jacking mechanism	Motor	Power			KW	15
		Speed			r/min	1440
	Hydraulic pump station	Flow			L/min	13.42
		Work pressure			MPa	31.5
	Jacking cylinder	Cylinder/rod diameter			mm	250/180
		Max. Jacking force			t	154
		Jacking speed			m/min	0.3