QTZ50(5008) tower crane

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 1 set

Supply Capability:: 12 set/month

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QTZ50(5008) tower crane is hoisting and conveying machinery which is designed by fully utilizing the group technology, the combinational design technology and the finite element analysis technology and taking the tower crane microcomputer design platform as a tool and has excellent performance.

The crane is a horizontal-arm-rest trolley-amplitude upper-revolution hydraulic lifting type crane which has the effective amplitude of 50m and the maximum lifting moment of 500kN•m. The tower crane has the lifting height of 30m and the adhesion lifting height of 120m (2 magnification) during independent use.
All the speed indexes of the crane meet or surpass national standards.
The crane has the total installed capacity of 25.5kW, features advanced parameters, excellent and reliable properties, attractive appearance, high quality, simple and practical structures, advanced safety devices, convenient maintenance, safe usage and reasonable prices, and is ideal construction machinery for many medium-small construction enterprises.

The lifting boom and balance boom adopt cantilever boom structure, which reduces the hoisting modular and makes it more safe, convenient and flexible to install and uninstall, and reduces the requirements for hoisting equipment and the site.
2. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
3. The lifting boom adopts cantilever boom structure and variable cross-section materials, featuring more reasonable structural stress and long service life; and it is easier to make different combination of boom length.

Technical Performance Parameter Table

Item		Unit	Magnification
			α=2	α=4
Rated lifting moment		kN.m	500
Maximum lifting capacity		t	2	4
Working amplitude		m	3 ～50
Maximum amplitude lifting capacity		t	0.8
Lifting height	Independent	m	30
	Attached	m	120
Time of moving outrigger end to rotation center		m	50.74
Time of moving balance arm tail to rotation center		m	12.816
Counter weight		t	8.54
Total motor power		kW	25.5
Allowable working temperature		0C	-20～+40

2.1 Hoisting and Lifting characteristic curve characteristics table

（1）4-magnification Lifting Performance Table

Amplitude(m)	3-12.5	13	14	15	16	17	18	19	20	21	22
Lifting capacity (t)	4	3.832	3.534	3.276	3.050	2.850	2.673	2.514	2.371	2.242	2.124
Amplitude(m)	23	24	25	26	27	28	29	30	31	32	33
Lifting capacity (t)	2.017	1.918	1.828	1.744	1.667	1.595	1.528	1.466	1.407	1.353	1.301
Amplitude(m)	34	35	36	37	38	39	40	41	42	43	44
Lifting capacity (t)	1.253	1.207	1.164	1.124	1.085	1.048	1.013	0.98	0.949	0.918	0.89
Amplitude(m)	45	46	47	48	49	50
Lifting capacity (t)	0.862	0.836	0.811	0.787	0.764	0.742

（2）2-magnification Lifting Performance Table

Amplitude(m)	3-23.9	24	25	26		27	28	29	30	31	32
Lifting capacity (t)	2	1.99	1.90	1.81		1.74	1.66	1.60	1.53	1.47	1.42
Amplitude(m)	33	34	35	36	37		38	39	40	41	42
Lifting capacity (t)	1.37	1.32	1.27	1.23	1.19		1.15	1.11	1.07	1.04	1.01
Amplitude(m)	43	44	45	46	47		48	49	50
Lifting capacity (t)	0.98	0.95	0.92	0.90	0.87		0.85	0.82	0.80

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