TOWER CRANE QTZ80 working is steady and reliable

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 TOWER CRANE QTZ80 working is steady and reliable

1. Its performance parameter and technical index are in leading position domestically, reach international leading level of end of 80s and beginning of 90s with max. working radius of 55m, which is 5m longer than domestic longest one (See Chart 1-3 for other performances), it is equipped with Q5017 arm and Q5512 Arm.
2. It is of international fashionable pattern, which is very beautiful, and has received popularity from domestic and international clients.
3. It has many working modes and wide applying range. It has working modes like being fixed with groundwork and being attached to wall, etc., which can be applied to different working objects. Hoisting height of separate type is 46m, attaching type is made by adding standard sections and attaching device under foundation of separate type, its hoisting height can reach 150m, and max. hoisting weight of special type can reach 200m.
4. Its working speed is high, timing performance is good, and working is steady and reliable.
5. Electric control system adopts electric elements produced through introducing advanced technology by professional producer, its lifespan is 3-4 times longer than home made elements with less malfunctions, simple maintaining and reliable working.
6. It is equipped with 8 kinds of safety devices, which are mechanical or integrative products. It can be applied to bad working environment to assure reliability of tower crane.
7. Design absorbs domestic and international reliable technology at the same time of according to situation of China and assuring reliability principle to improve technical level of entire crane.
Reliable advanced technologies are:
(1) Electric elements produced through introducing TE Company of France by professional producers.
(2) Weight restrictors, moment restrictors, height restrictors, radius restrictors, swing restrictors and brakes of swing and radius mechanism produced by introducing advanced technology.
(3) Trolley breaking prevention device (slip prevention), shaft breaking prevention device and steel wire device.
(4) Wire Arranging System of Hoisting Mechanism
(5) Tightening System of Traction Wire
(6) Rigid double pulling pole hoisting arm. Rigidity of hoisting arm is good, self weight is light, section is small, wind resistance is small, figure is beautiful, which make it satisfy different constructions.
(7) Diving room is set separately with good visual field and large inside space, and it can be equipped with air conditioner to create better working environment.
(8) It adopts swing restrictor, eliminates central electricity collector to eliminate damp and creepage and make convenience for entrance and exit of driver.
(9) Driver use advanced coupling to operate movement of each mechanism, which is convenience for operation and simple for maintaining.
8. Design completely accords with or be better than state standard.
Because crane has above characters, it is fit for high civil constructions, bridge and water conservancy projects, large workshops and large chimney, etc.
II.QTZ80C Tower Crane (Separate Type) Figure and Size

III.QTZ80C Tower Crane (Attaching Type) Figure and Size
IV.Form of Hoisting Load Identity
(1) Load Identity of Q5017 Arm


Radius(9m)

2.5-14.4

15

16

18

20

22

24

26

Hoisting Weight(t)

A=2

4

4

4

4

4

4

4

4

A=4

8

7.64

7.09

6.18

5.46

4.87

4.39

4

 

Radius(9m)

28

30

32

34

35

36

38

40

42

Hoisting Weight(t)

A=2

3.64

3.34

3.08

2.85

2.75

2.65

2.47

2.31

2.16

A=4

3.64

3.34

3.08

2.85

2.75

2.65

2.47

2.31

2.16

 

Radius(9m)

44

46

48

50

 

 

 

 

 

Hoisting Weight(t)

A=2

2.03

1.91

1.80

1.70

 

 

 

 

 

A=4

2.03

1.91

1.80

1.70

 

 

 

 

 

(2) Load Identity of Q5512 Arm  


Radius(9m)

2.5-112.68

14

16

18

20

21

22.5

26

Hoisting Weight(t)

A=2

4

4

4

4

4

4

4

3.74

A=4

8

7.13

6.09

5.3

4.67

4.4

4

3.74

 

Radius(9m)

26

28

30

32

34

35

36

38

40

Hoisting Weight(t)

A=2

3.39

3.09

2.83

2.60

2.40

2.31

2.23

2.07

1.93

A=4

3.39

3.09

2.83

2.60

2.40

2.31

2.23

2.07

1.93

 

Radius(9m)

42

44

46

48

50

52

55

 

 

Hoisting Weight(t)

A=2

1.80

1.68

1.58

1.48

1.39

1.31

1.20

 

 

A=4

1.80

1.68

1.58

1.48

1.39

1.31

1.20

 

 

VI.Technical Performance


Rating Hoisting Moment

KN.m

800

Max. Hoisting Weight

t

8

Working Radius

m

2.5 - 50

2.5 - 55

Hoisting Height(s/a)

4 6 / 1 5 0

Hoisting Speed

m/min

2 0 / 4 0 / 8 0

Swing Speed

r/min

0.66

Radius Speed

m

6 0 / 3 0 / 1 0

Hoisting Speed

0.4

Min. Declining Speed

﹤5

Size

Under Frame

m

2.6 * 2.6

Height

S

46

46

A

150

150

 

 

 

From Head of Arm to Center of Swing

51.36

56.36

From End of Arm to Center of Swing

13.29

13.29

Weight

Weight of Structure

S

t

41.2

41.6

A

82.6

83

 

35

35.4

Balance Weight

12.6

13.8

Other

Total Power

KW

42.4(without hoisting mechanism)

Max. Wind Power

N/m2

250

Non-work Wind Power

800

Working Temperature

-20~+40

VII.Form of Main Fitting Technical Parameter

Mechanism Load Ratio

Hoisting Mechanism

M5

Swing Mechanism

M4

Traction Mechanism

M4

Max. Hoisting Height (m)

150

Hoisting Mechanism

Motor

Model

YZRDW250M1-8/4

Power (KW)

30/30

Speed (r/min)

715

1355

Decelerator Box

Total C Distance (mm)

600

Total Drive Ratio i

16

Rolling Cylinder

Wire Volume (m)

360

Winding Layer (Layer)

4

Diameter (mm) Ø500

Brake

Model

YWZ3-315/90-16

Steel Wire

Specification

6×29Fi+IWR-14-1700

Max. Strength (N)

27190

Ratio

A=2

A=4

Hoisting Weight

2

4

4

4

8

8

Hoisting Speed (m/min)

80

40

7

40

20

3.5


Swing Mechanism

Motor

Model

YZR132M2-6-3.7

Power KW

3.7×2

Speed r/min

908

Decelerator

Model

XX4-100-180C-001

Drive Ratio

180

Output Gear Parameter

Modulus m

12

Tooth z

16

Changing Modulus x

+0.5

Swing Bearing

Single Quarter Contact Ball Swing Bearing

Model

011.45.1400 (JB2300-84)

C Diameter mm

Ø1400

Modulus m

12

Tooth z

131

Hoisting Mechanism

Motor

Model

Y132M-4 B5

Power KW

5.5

Speed r/min

1440

Hydraulic Pump Station

Model

QT802-10

Pressure H (Mpa)

25

Pressure B (Mpa)

6.5

Hoisting Oil Tank

Model

QT80G

Max. Hoisting Strength t

50

Hoisting Speed m/min

0.4

Radius Mechanism

Motor

Model

Power KW

Speed r/min

Start Current A

YZTDE180
M-4/8/24

5.0/3.7/1.1

1370/700/210

44/28/65

Wire Speed

Slow Speed m/min

10

Low Speed m/min

30

High Speed m/min

60

Electromagnetic Brake

Joint Voltage

200V.D.C.LS

Working Voltage

24V.D.C

Steel Wire

Model

6×19-7.7-1700-1-L-R

Max. Traction Strength (N)

9000

VIII.Form of Brief Introduction of Main Metal Structure


Item
Name

Figure

Main Parts

Remark

Specification

Material

Crane Body

Groundwork Section

Square Tube 135×135×12

Q235

Size: 1700×1700×2530

Reinforced Section

Square Tube 135×135×12

Q235

Size: 1700×1700×2500 =5 Sections

Standard Section

Square Tube 135×135×10

Q235

Size: 1700×1700×2500

Hoisting Arm

Upper Chord: 2<80×80×8
2<75×75×6
Lower Chord: 2<100×100×8
2<80×80×8
2<75×75×6

Q235

Q5512 Hoisting Arm =9 Sections Q5017 Hoisting Arm =8 Sections
They are connected with pin shafts.

Swing Body

 

Square Tube 135×135×10

Q235

Frame Structure

Cover Frame

 

Main Chord: 2<100×100×10

Q235

Size : 2300×2300×6060 for hoisting

Lower Abutment

 

 

 

Box Structure

Upper Abutment

 

 

 

Board Structure

Tower Top

 

Main Chord: 2<100×100×10

Q235

Quarter Cone Structure

Balance Arm

 

Main Chord: 30a with seal board

Q235

Welded with V-iron and Angle Iron =2 Sections

Under Frame

 

I-Steel: I25b

Q235

Composed of Entire Frame and Press Board

Driving Room

 

 

 

Board Structure

 

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