Tower Crane YFB-3

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Tower Crane YFB-3

Tower crane uses level arm support and hydraulic self-hoisting,with novel outline and reliable operation. With complete safety devices, it hasthe advantages of good speed adjusting performance, stable working conditionand high efficiency. It is widely used in high-rise hotels and residence,high-rise industrial buildings, large-span industrial plants, tall chimneys andother high tower style buildings.

Detailed Description
Schematic diagram for technical parameters

Hoisting height m	Fall	Stationary		Rail-mounted	Attached
		α=2	42.5	42.5	140
		α=4	42.5	42.5	70
Max. hoisting weight(t)		8
Radius m		Max. Radius(m)	5055
		Min. Radius(m)	2
Hoisting Mechanism	Fall	α=2		α=4
	Speed m/min	80	40	40	20
	Hoisting Weight	2	4	4	8
	Model of the electric motor power and slewing speed	YZRDW250M1-4/8 30/30
Slewing Mechanism (Tower Crane)		Slewing speed r/min		0.6
		Power kw		2×3.7
		Model of the electric motor		YZR132M2-6
		Slewing speed r/min		908
Trolly Travel Mechanism (Tower Crane)		Slewing speed m/min		55/28/8.3
		Power kw		3.3/2.2
		Model of the electric motor		YZTDE180M-4/8/24
		Slewing speed r/min		1400/700/210
Jacking Mechanism (Tower Crane)		Slewing speed m/min		0.5
		Power kw		5.5
		Slewing speed r/min		1440
		Model of the electric motor		Y132S-4
		Working pressure MPa		20
Total power kw		47.9
Working		20∼40
Balance weight		Arm length (m)		Weight(t)
		50		13.2
		55		15
Self weight		Arm length (m)		50	55
		Stationary		33.5	35.6
		Rail-mounted		41.39	44.35
		Attached		84.58	86.54