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