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Tower crane
Building hoist
Concrete placing boom
Concrete pump
 
Tower Crane

Hoisting Mechanism
Three-gear speed modulation by electrical motor or frequency conversion.
Slewing Mechanism
Speed modulation with frequency conversion, accurate position offers excellent performance.

TC4708
Technique capability table

Load capacity-lifting height

stationary

m

30.1

attached

120

Load-lifting speed

2 fall

m/min

65.14/32.57/13.04

4 fall

31.9/15.95/6.38

Slewing speed

r/min

0.75/0.375

Derricking speed

m/min

38.6/25.2

Elescoping speed

0.4

Slowest tranquilization lowering speed

¡Ü7

Chassis frame

m

6¡Á6

Crane
weight

structure weight

stationary

t

19.045

attached

44.022

counter weight

maximum rated radius 46.8m

7

maximum rated radius 40.8m

5.6

Necessary electric power

kW

21.7

Working temperature

¡æ

-20¡«+40

Main supply

50Hz

¡«380V¡À10%

Lifting capability table

2 fall

Radius (m)

2.5-20.97

21

22

23

24

25

26

27

28

29

Lifting capacity (Kg)

2000

1996

1897

1806

1723

1646

1576

1510

1449

1393

Radius (m)

30

31

32

33

34

35

36

37

38

39

Lifting capacity (Kg)

1340

1290

1240

1200

1159

1121

1084

1050

1017

986

Radius (m)

40

41

42

43

44

45

46

46.8

 

 

Lifting capacity (Kg)

957

929

902

877

852

829

807

790

 

 

4 fall

Radius (m)

2.5-10.96

11

12

13

14

15

16

17

18

19

Lifting capacity (Kg)

4000

3986

3638

3343

3090

2870

2680

2510

2360

2230

Radius (m)

20

21

22

23

24

25

26

27

28

29

Lifting capacity (Kg)

2106

1996

1897

1806

1723

1646

1576

1510

1449

1393

Radius (m)

30

31

32

33

34

35

36

37

38

39

Lifting capacity (Kg)

1340

1290

1240

1200

1159

1121

1084

1050

1017

986

Radius (m)

40

41

42

43

44

45

46

46.8

 

 

Lifting capacity (Kg)

957

929

902

877

852

829

807

790

 

 

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