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Tower Crane TC7021

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CNBM INTERNATIONAL CORPORATION

China

CCCME Member

Recommended by CCCME

Product Details
Company Profile

The most advanced technology is adapted to our product design. All concerned matters such as raw material ing, structure designing, working mechanisms, control system, efficiency, safety and reliability can reach the world level. And structure parts designed by three-dimensional software and force calculation software, make sure high Safety and perfect performance.

Technical sheet for TC7021

Independent height (m)		54
Max height with attachment (m)		200
Working range can be adjusted（m）		40、45、50、55、60、65、70
Min working range（m）		3.1
Max lifting capacity（t）		12
Tip load @ 70m（t）		2.1
Hoist mechanism	Falls	2		4
	Lifting capacity（t）	0－3	0－6	0－6	0－12
	Speed（m/min）	0－85	0－42.5	0－42.5	0－21.2
	Motor	YZPBF250M1-4 45KW
Trolleying mechanism	Speed（m/min）	0－60
	Motor	YPBE132S-4 5.5KW
Slewing mechanism	Speed（r/min）	0～0.6
	Motor	YTW132M-4 7.5KW
Climbing speed（m/min）		0.5
Counterweight（t）		21.3
Mast section size（L×W×H）m		2×2×3
Working temperature		-40－+60℃
Power supply requirement (KVA)		220KVA for generator
		235KVA for transformer booster
Cable type (25 meters from lower electric box of tower crane)		50mm2（3+2, 5 cores）
Startup voltage & current		380V×0.95=361V 260A
Rated working voltage & current		380V 150A

Loading diagram：

70m jib length：

R			18	22	24.5	27.7	28.3	30	32	35	37	40
a=2 (t)	6t—31.8m								5.96	5.35	5.00	4.54
a=4 (t)	12t—17.8m		11.29	8.99	7.94	6.86	6.69	6.23	5.76	5.15	4.80	4.34
R	42	45	47	50	52	55	57	60	62	65	67	70
a=2 (t)	4.27	3.91	3.69	3.40	3.23	2.99	2.84	2.64	2.52	2.35	2.25	2.10
a=4 (t)	4.07	3.71	3.49	3.20	3.03	2.79	2.64	2.44	2.32	2.15	2.05	1.90

CNBM INTERNATIONAL CORPORATION

CCCME Member

Recommended by CCCME

Location:China
Business Type:Trading Company,Manufacturer,Scientific Researcher,Engineering Contracting Company
Main Products:

The full name of CNBM is China National Building Materials Corporation which is one of the largest state-owned group in China. In 2020, CNBM has more than 500,000 staffs and total assets is over 90 billion US dollars. CNBM is also the World Top 500 Corporations!

At present, CNBM has four business sectors.

The first is industry sector which include cement, glass, composite materials and decorating materials etc. CNBM is the biggest producer of cement and glass fiber in the world, and also the biggest plasterboard producer in Asia.

The second is technology sector. We have more than 20 national A grade qualification research centers or institutes. For example the famous CNBM Hangzhou Design & Research Institute and Luoyang Float Glass Research Institute etc.

Complete equipment sector of China Building Material Group consists of key enterprises including China United Equipment Group Company, Hefei Cement Research & Design Institute and Triumph Heavy Industry Co., Ltd., and constructs the equipment industrial service platform which is complete in type, advanced in technology, excellent in equipment, exquisite in technology and complete in support regarding to domestic building material industry, light industry and machinery industry as well as mine equipment and environment-protecting equipment on the basis of over 20 equipment making enterprises and by coordinating with the group science and technology sector and the logistics and trade sector.

The fourth sector is our CNBM International Platform. In 2020, our total amount of import and export has exceeded 20 billion US dollar. We import major resources such as iron ore, coking coal and thermal coal from India, Brazil, Australia and Russia etc.

Besides, there is the largest 50000m² area of logistic complex is under CNBM in UAE Jebel Ali Free Zone,According to our CNBM programming, there will be more and more logistic complex built in Germany, Vietnam, Kenya and Nigeria etc.

Let’s get back to our Construction Machinery Department. Our main products include hosting machinery, concrete machinery, road & earthmoving machinery and building formwork etc. In 2021, our sales target is around 20 million US dollars, higher than last year !

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