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Inner Climbing Tower Crane QNP40-4

QNP40 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 400 KN.m, free standing height is 30m, the basic height(inner climbing type) is 21.5m, max. Attached height is 120m (2 falls).

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Inner climbing tower crane QNP40-4

QNP40 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 400 KN.m, free standing height is 30m, the basic height(inner climbing type) is 21.5m, max. Attached height is 120m (2 falls).

Main parameters
 

Item Unit Magnification
2 falls 4 falls
Rated load moment KN.m 400
Max. load t 2 4
Work radius m 2.5-48
Load at max. radius t 0.8
Hoisting height
 
Inner climbing height m 21.5
Adhered 100 60
Outer size of whole crane Base(cross girder) m 5.0x5.0
Tip of jib to the slewing center 32.5
Tip of balanced jib to slewing center 10.7
Self-weight of whole crane Independent  t 21.41
Adhered  t 46.36
Balanced weight t 8.0
Hoisting speed M/min 60/30/13
Slewing speed M/min 0-0.6
Trolleying speed m/min 16/32
Jacking speed  M/min  0.4
Other 
 
Power supply 50/60HZ -380/440+-10%
Basic wind pressure in service Pa 250
Basic wind pressure out of service Pa 800

 Main parameters of mechanisms

Mechanical load factor

Hoisting mechanism

JC  40%

Slewing mechanism

JC  40%

Trolleying mechanism

JC  40%

Hoisting mechanism

Motor

Type

YZP180L-4

Speed

r/min

1435



Power

kW

15



Gearbox

Type

JG1.6

Rope

 

Dia.of steel cable

 

mm

12

Lifting speed

M/min

0-60

0-30

Rated load moment


KN

16

Rated speed

m/min

60

Slewing mechanism

Motor

Type

YZR132M-6

Speed

r/min

908

Power

kW

3.7

Brake

N/O stopper of hydraulic thruster


Slewing ring

011.40.1120

 

Trolleying mechanism

Motor

Type

YDEZ112M 8/4

Speed

r/min

1440

960

Power

kW

2.4

1.5

Hydraulic jacking mechanism

Motor

Type

Y112M-4

Power

kW

4

Jacking cylinder

Rated pressure

MPa

22

Dia. of cylinder

mm

Φ125

Dia. of piston rod

mm

Φ90

Stroke

mm

1300

Erection distance

mm

1700

Jacking speed

m/min

0.4

Max. Jacking force

t

24.6


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

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