QTZ Tower Crane mini self erecting crane

Range(m)

3-10.96

13

15

17

19

21

23

25

27

Lifting capacity(t)

4

3.33

2.86

2.51

2.22

2.0

1.81

1.65

1.51

Range(m)

30

32

35

37

39

42

43

45

48

Lifting capacity(t)

1.34

1.24

1.12

1.05

0.98

0.90

0.88

0.83

0.7

ITEM

Technical performances

Rated lifting torque(KN.m)

400

Maximum lifting capacity(t)

4

Rated lifting capacity in the maximum working range(t)

0.8

Maximum working range(m)

48

Overall height(m)

Independent

30

Adhered

120

Lifting speed(m/min)

a=2

55/27.5/6.8

a=4

27.5/14/3.4

Jib lubbing speed(m/min)

24/36

Slewing speed(r/min)

0.7

The section of the tower crane(mm)

1494×1494

Working temperature()

-20—40

Power parameter

380V± 5%   50HZ

Total motor capacity(kW)

24.7

The maximum exercisable wind pressure(N/m²)

250

The structure name

ITEM

Specification

Hoisting structure

Motor

YZD200L1-4/8/32  15/15/4Kw

Decelerator

ZQ50-12.64

Detent

YWZ-300-45

Wire-rope

6×19-12.5-1770-I-I

Slewing mechanism

Motor

YD132M-4/8  3/4.5Kw

Decelerator

XX4-80.195

Fluid coupling

YOX-250A

Slewing fulcrum

HSW.30.1220

Jib lubbing mechanism

Motor

Y100L2-4/6   2.2/1.5kW

Decelerator

WXJ100-31

Wire-rope

6×19-6.2-1770-I

Hoisting mechanism

Motor

YD132M-4   3kW

Cylinder stroke

1320mm

Cylinder diameter

1775mm

Rated working pressure for the cylinder

20MPa

Name

Structure Drawing

The main material

Note

Standard Segment

Mail staff angle steel:

∠140×140×12

Section size :1494×1494

height:2200

Jib Boom

First quarter staff:

tube76×8

The Jib boom is formed by eight parts