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Tower Crane TC7021
Tower Crane TC7021
Tower Crane TC7021
Tower Crane TC7021
Tower Crane TC7021
Tower Crane TC7021

Tower Crane TC7021

Member Details

CNBM INTERNATIONAL CORPORATION

China

Trading Company,Manufacturer,Scientific Researcher,Engineering Contracting Company

  • 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

 


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