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QTZ80-5710-6T Topless Tower Crane

Description:
This topless tower crane, also known as flat top tower crane, is designed with upper slewing, horizontal jib, trolley Mechanism, flat top and hydraulic self-hoist.

Features:
1. With most of its components made of Q345B (Manganese Steel), it possesses high strength, which contributes to secure operation as well as long service life.
2. The flat top tower crane special design makes its upper weight and windward face less.
3. Its topless tower facilitates the cross operation so that it can make full use of the space and the efficient height of its tower height.
4. Its special jib design makes its jibs unaffected by alternating stresses caused by pull or press.
5. Jib configuration can be easily Modified as the works proceed, can be erected and or dismantled "in the air", section by section.
6. This flat top can be easily dismounted, without special demands on hoist capacity of lifting equipment.
7. Due to its topless tower, this kind of crane has lighter weight and lower assembly height when compared with other kinds of cranes. And its assembly height can be reduced more than 10m compared with that of normal one.
8. Mechanisms of load-lifting, slewing, derricking and jacking have been designed for this topless tower crane, and these mechanisms can be used individually as well as in conjunction with each other. In this case, the working efficiency can be greatly improved.
9. The jacking Mechanism is used to increase or decrease the height of the tower body.
10. The load jib can rotate 540°in both directions.
11. Capable of flexible slewing and standard and accurate load-lifting, it can fulfill both needs of vertical and horizontal transport in construction sites.
12. Weight limiter, moment limiter, lift height limiter, radius limiter and slewing limiter have been designed for this machine.
13. The sensitive and secure equipment guarantees its normal efficient operation.
14. Safety protection devices, like rest platform and guardrails, have also been equipped.
15. Independently Mounted on one side of the tower, the operator's cab has a large view as well as spacy interior room.

Specifications of QTZ80-5710-6T Topless Tower Crane:

Model	Max Load	Working Range	Tip Load	Mast Size
QTZP80-5710-6T	6tons	57m	1.0 tons	1.643×1.643×2.5m

57m Jib Length:

Radius (m)	3-13.4	16	20	22	24	26	26.7	28	30	36	39	42	45	48	51	54	57
Hoisting Capacity (t) 4 Fall	6	5.25	4.5	3.75	3	2.76	2.53	2.30	2.07	1.84	1.71	1.59	1.47	1.36	1.24	1.12	1.00
Hoisting Capacity (t) 2 Fall	3.0					2.84	2.66	2.48	2.30	2.07	1.84	1.71	1.59	1.47	1.36	1.20	1.04

51m Jib Length:

Radius (m)	3-13.5	16	20	22	24	26	28	28.6	30	34	36	38	40	42	45	48	51
Hoisting Capacity (t) 4 Fall	6	5.03	4.87	3.54	3.47	3.90	2.8	2.59	2.38	2.07	1.84	1.71	1.59	1.47	1.36	1.24	1.2
Hoisting Capacity (t) 2 Fall	3.0						2.84	2.66	2.59	2.38	2.07	1.84	1.71	1.59	1.47	1.36	1.24

45m Jib Length:

Radius (m)	3-14	17	20	22	24	26	28	29	30	32	34	36	38	40	42	45
Hoisting Capacity (t) 4 Fall	6	5.03	4.25	3.84	3.42	2.91	2.84	2.66	2.59	2.38	2.07	1.84	1.71	1.59	1.47	1.5
Hoisting Capacity (t) 2 Fall	3.0						2.91	2.84	2.66	2.57	2.38	2.07	1.84	1.71	1.59	1.54

Mechanism Specifications of QTZ80-5710-6T Topless Tower Crane:

Hoisting Moment		800KN.m
Free Height		40m
Hoisting Mechanism	Fall	a=2			a=4
	Hoisting Capacity (t)	3	3	1.5	6	6	3
	Speed (m/min)	9	40	80	4.5	20	40
Slewing Mechanism	Speed (r/min)	0.25/0.4/0.55/0.7
	Power (KW)	2×3.7
Trolley Mechanism	Speed (m/min)	44/22
	Power (KW)	3.3/2.2
Climbing Mechanism	Speed (m/min)	0.49-0.55
	Speed (KW)	7.5
Counter Weight	Jib Length (m)	Weight (t)
	57	15.5
	51	13.6
	45	12
Working Temperature	-20~40℃
Total Power	42.2KW
Total Weight	34t

Sale Topless Crane and Flat Top Crane:
ZZ Industrial (shanghai) Co.,Ltd is a professional manufacturer of topless tower crane in China. Apart from topless tower crane, we still have standard tower crane and construction hoist, and all of them have passed the ISO9001-2000 certification. With competitive price and high quality, our machines have been widely accepted by customers from South America, Eastern Europe, Southeast Asia, the Southeast Asia, and Africa, including Countries of Cambodia, Yemen, South Africa, Brazil, Afghanistan, Iran, etc. If you are interested in our flat top tower crane, please don't hesitate to contact us.

Construction Equipment

QTZ80-5710-6T Topless Tower Crane