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Flat-top Tower Crane PT7030-12

Hoisting jibs have good applicability and efficiency. Design of flattop tower cranes is easy to realize modulization, this point is important. For manufacturers, hoisting jib modulization can reduce design and production costs, then can reduce prices of flat top tower cranes; for users, can make full use of agility and adaptility of hoisting jibs, if same types, different grades, hoisting jib sections can be used each other, end jibs of large capacity flat top tower cranes can be used as middle or root sections, so that can increase jib combination, improve applicability and efficiency of hoisting jibs.

Decrease design cost. Design of flat top tower cranes don’t have design and calculation of tower head and pulling rod, less calculation work condition, simple mechanical model, calculation reduces that make results of calculation is closer to actual value, so that can be easy to proceed modular design, decrease time of design.

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Flat-top Tower Crane PT7030-12


1. Main parameters


Item

Unit

parameter

Max. load

2 falls

t

6

4 falls

12

Min. radius

m

3.2

Max. radius

m

70

65

60

55

Rated load moment

2 falls

kN.m

2350

2400

2450

2500

4 falls

2100

2150

2200

2250

Hoisting height

Free standing height

m

48

Attached

2 falls

183

4 falls

93

Hoisting mechanism

Model


GQTJ16.66D

Motor


YZRSWF280-4/8-55/55KW

Power

KW

55

Hoisting speed

2 falls/load

m/min

666

3/6

4 falls/load

333

6/12

Slewing mechanism

Model


HL120.160.195

Motor


YLEWF112M-6-120N.M

Torque of motor

N.m

120×2

Slewing speed

r/min

00.7

Trolleying mechanism

Model


BP7570X

Motor


YPBE132-7.5KW

Trolleying speed

m/min

065

Jacking speed

m/min

0.4

Outsize of whole crane

Height (free standing)

m

61.4

Tip of hoisting jib to slewing center

71.766.761.756.7

Tip of balanced jib to slewing center

19.2

Self weight of whole crane

Structure weight (free standing)

t

71.63

Balanced weight

27.3252319.6

Allowed work temperature

-20+40

Basic wind pressure under work

Pa

250

Basic wind pressure out of work

Pa

1100

Power supply

50Hz

380V±10%

2. Loading chart


Jib length

 

Fall

Max.Load

 

20

25

30

35

40

45

50

55

60

65

70

m

t

70

4 falls

20.6

12

12.00

9.53

7.60

6.24

6.00

5.2

4.58

4.07

3.65

3.30

3.00

2 falls

40

6

6.00

6.00

6.00

6.00

6.00

5.2

4.58

4.07

3.65

3.30

3.00

65

4 falls

23.4

12

12.00

11.10

8.92

7.36

6.21

6.00

5.36

4.78

4.3

3.9


2 falls

45

6

6.00

6.00

6.00

6.00

6.00

6.00

5.36

4.78

4.3

3.9


60

4 falls

23.4

12

12.00

11.10

8.92

7.36

6.21

6.00

5.36

4.78

4.3



2 falls

45

6

6.00

6.00

6.00

6.00

6.00

6.00

5.36

4.78

4.3



55

4 falls

23.5

12

12

1.1

8.95

7.36

6.21

6.00

5.37

4.8




2 falls

45

6

6.00

6.00

6.00

6.00

6.00

6.00

5.37

4.8




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