QTZ250(TC7030) Tower Crane

1. The standard section is assembled in a plate structure, which is convenient for storage and transportation; the tower body is reinforced in design, and the independent lifting height reaches 61 meters;
2. The lifting, slewing and luffing mechanisms are all controlled by variable frequency speed regulation. The symmetrical arrangement of the slewing mechanism works smoothly and is more convenient to maintain.
3. The lifting frame structure can be designed as a double U-shaped structure, which is convenient for container transportation; the hydraulic system is designed for low pressure to protect hydraulic components;
4. The counterweight is a multi-section combination type, with different counterweight sections configured according to the different lengths of the lifting arm, and the overall appearance of the machine is beautiful.

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Product Highlights

The standard section is a plate-type assembly structure connected by pin shafts at the tailboard, which is convenient for container transportation.
	The export-type lifting frame structure is of split type, which is convenient for container transportation.
Fast, convenient, safe The tower cap and the balance arm structure are provided with a support for an auxiliary device for mounting a balance arm rod, which makes the installation of the tower crane faster, more convenient and safer.
	Lifting mechanism The lifting mechanism is a closed-loop frequency conversion speed control, with zero servo anti-falling function and ant speed slow positioning function; the large diameter double zigzag groove drum is used, which can extend the service life of the steel wire rope.

Technical Parameters

Name		Unit	Parameter
Rated Lifting Moment		kN.m	2500
Maximum lifting capacity		t	16
Work range		m	3.1～70/65/60
Lifting capacity at maximum working reach		t	3/3.7/4.2
Lifting height		m	odds		Independent		Attaching
			2		61		250
			4		61		125
Lifting performance	odds		2			4
	Lifting speed	m/min	0～80	0～40		0～40		0～20
	Lifting capacity	t	4	8		8		16
Rotating speed		revolutions per minute	0～0.7
Lifting speed		m/min	0～63
Lifting speed		m/min	0.45
Tower section dimensions		m	2×2
Counterweight		t	22.5
Working temperature		℃	-20～+40
Total machine power		kW	97.5 (excluding lifting motor)

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