Double girder rail-mounted portable bridge crane for shipbuilding
Double girder rail-mounted portable bridge crane for shipbuilding

Double girder rail-mounted portable bridge crane for shipbuilding

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Portable bridge crane is a kind of crane mounted on rails. Rail-mounted gantry bridge crane mostly used for outdoor processing and material handling. 
This double girder portable crane consists of main girder, supported legs, ground beams, electric hoist and electric appliance.
The driving mechanism is installed on the ground beams. It drives the crane travelling on rail tracks.
 
Advantages
Large working arrange, widely usage.
The lifting capacity can reach to 500t.
Due to truss girder structure, it can prevent windy weather.

 
Portable bride crane
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Features
Adjustable capacity from 0.5t to 20t
Span can from 7.5m to 22.5m
Onboard maintaintenance platform
Ground control or carbin control

Outdoor construction site
Shipyard or shipbuilding
Shipyard maintenance works
Power generator plant, steel plant
Manufacturing, processing workshop
Loading and unloading stock bin, warehouse
Adjustable capacity from 0.5t to 20t
Span can from 7.5m to 22.5m
Onboard maintaintenance platform
Ground control or carbin control

Lifting Capacity

t

10

16

20/10.0

30/10.0

36/16

50/10.0

Span

m

18-35

22 26

26 30

32

Working System

 

Medium

Medium

Medium

Medium

Heavy

Heavy/ Medium

Lifting Height

Main

m

11.5

10.5 12

10.5

10.5

11.5

12

Aux

 

 

11

12

12

13

Speed

Hoist

Main

m/min

18.4

12.3

9.2

10.4

10.4

6

Aux

 

 

18.4

18.4

12.3

18

Trolley Travelling

43.8

44.5

44

44

53

38.13

Crane Travelling

54.6 51.2 48.4

51.2 49.1

51

51.2

51.1

43.8

Total Weight

t

63.2--135

75.5-105.5

79-132

125.4 130

142 148

204

Max. Wheel Pressure

t

23-40

36.4-23

30-42

35 36

38 39

48

Rail Recommended

P43

P50

P50 QU70

P50

P50

P50

Power Source

380V 50Hz 3phase

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