PURPOSE

Motor-driven bridge crane is installed in inner spaces of ocean-going ships in order to perform auxiliary loading-unloading works at normal operation at ship list not exceeding 4°, roll with amplitude up to 6.5° and period 6.6 s.

Parameter

КЭМ 20

Capacity (SWL), t

20

Travel of crane bridge, mm

17400

Travel of cargo trolley, mm

7600

Bridge span, mm

8000

Maximum vertical hook travel, mm

16000

Height of remote control board suspension, mm

12000

Speed of cargo lifting (lowering) and unloaded hook, m/s (m/min):

maximum

minimum

 

0.117 (7.0)±10%

0.01 (0.6)±10%

Speed of bridge movement, m/s (m/min):

maximum

minimum

 

0.117 (7.0)±10%

0.0017 (0.1)±3%

Speed of trolley movement, m/s (m/min):

maximum

minimum

 

0.067 (4.0)±10%

0.0017 (0.1)±3%

Speed control

smooth, stepless

Operation duty

light duty cycle – 15%

Total crane motors capacity, kW

56

Crane mass, kg, not more

14500

Overall dimensions, mm:

length

breadth

 

8800

1920

Motor-driven bridge crane КЭМ 20