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Flat-top Tower Crane PT5515-6

PT4810 flat top tower crane is based on microcomputer design platform of tower crane, applying group technology, combined design technology and FE analysis technology, combining with advanced international technology and requirements of domestic construction market, develop and design more advanced tower crane in China.
The tower crane is horizontal arm support, trolleying, top slewing and hydraulic jacking tower crane. Its jib length is 48m, max. Load moment is 540 KN.m, free standing height is 30m, max. Attached height is 120m (2 falls).
Self-weight of the crane(without balanced weight and anchors) is 21.41t, total capacity of whole crane is 25.1 Kw. Advanced parameters, stable performance, good looking, excellent quality, simple structure, equipped with advanced safety devices, simple maintenance and competitive price make PT4810 tower crane be popular in small and medium construction enterprises.

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Flat-top Tower Crane PT5515-6


1. Main parameters


Item

Unit

Parameter

Rated load moment

KN.m

630

Max. load

t

6

Max. radius

m

55

Min. radius

m

2.5

Tip load

t

1.5

Hoisting height

Free standing

m

40

Attached

150

Hoisting mechanism

Hoisting speed

Falls


2

4

speed

M/min

80.25

40.05


39.4

20.1


Load

t

1.2

3


1.2

6


Min. descending speed

M/min

7

Type of motor

YZTD2012-4/8/24

Power

Kw

24/24/5.4

Rotating speed

R/min

1420/725


Height limiter

Type

DX-G

Slewing mechanism

Slewing speed


R/min

0.64

Type of motor

YZR132M2-6

Power

Kw

2*3.7

Rotating speed

R/min

908

Trolleying mechanism

Trolleying speed

M/min

48/24

Type of motor

YDEJ132S-4/8B5

Power

Kw

4.5/3

Rotating speed

R/min

1450/720

Jacking mechanism

Rated jacking speed

M/min

0.4

Rated work pressure

MPa

25

Power

Kw

5.5

Rotating speed

R/min

1420

Counterweight

Jib length

m

60

55

Balanced weight

t

16.8

14.8

Total quality(without balanced weight)

t

44.6

Total power of whole crane

Kw

47.4 (including hydraulic system)

2. Main parameters of mechanisms


Hoisting mechanism

Motor

YZTD2012-4/8/24   24/24/5.4

Reducer

JZQ—500—12.5—8—Zi=110.35

 Height Limiter

DX-G

Wire steel rope

6W19-12.5-1770-I


Max. drawing force (N)

12500

Slewing mechanism

Motor

YZR132M2—62X3.7KW908r/min

Planetary reducer

XX4-80.187

Transmission ratio

187

Hydraulic couplings

YOX250A

slewing pinions

modulus      m 10


teeth  z  15


coefficient 0.5

Limiter

DXZ—4/3i=146

Slewing bearing

011.40.1400

ball like slewing ring of four point in a ling

 modulus    m   12

teeth z

 118

Trolleying mechanism

Motor

YDEJ132S—4/8B, 4.5\3KW

Reducer

WCJ120—1/30—A, i=139

Limiter

DXZ—4/5i=178

Wire steel rope

6X19-7.7-1550-I

Jacking mechanism

motor

Type

Y132M-4B5


Power(kW

5.5


rated operating press

mPa

25


max. hoisting force

t

50


stroke of oil tank

mm

1600


space

mm

2070


 diameter of oil tank

mm

φ160


 oil tank piston diameter

mm

φ110


hoisting speed

m/min

0.4


3. Loading chart


Radius (m)

3-28.3

29

30

31

32

33

34

35

36

37

Load (t)

3

2.92

2.80

2.69

2.60

2.51

2.42

2.34

2.26

2.19

Radius (m)

38

39

40

41

42

43

44

45

46

47

Load (t)

2.12

2.05

2.0

1.93

1.88

1.82

1.77

1.72

1.68

1.63

Radius (m)

48

49

50

51

52

53

54

55



Load (t)

1.58

1.57

1.56

1.55

1.54

1.53

1.51

1.50



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Factory: Shandong Mingwei Hoisting Equipment Co., Ltd.
Trading office: Zibo Chico International Co., Ltd.
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  +86-531-83530157
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  443080359
   mingwei@crane2.com
 

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