Double Girder Gantry Crane for Shipbuilding

Double Girder Gantry Crane for Shipbuilding
  • Double Girder Gantry Crane for Shipbuilding
  • Double Girder Gantry Crane for Shipbuilding
  • Double Girder Gantry Crane for Shipbuilding
  • Double Girder Gantry Crane for Shipbuilding
  • Double Girder Gantry Crane for Shipbuilding
  • Double Girder Gantry Crane for Shipbuilding
Main Parameter:
  • Capacity:10~500T
  • Span:16~40m
  • Lifting height: 3~34m
  • Lifting speed: 0.2-1.8,4.62,6.25,7.5,9.28,19.8m/min
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Double Girder Gantry Crane for Shipbuilding is one kind of gantry crane, it main used to berth assembled hull. This kind of shipbuilding crane have the feature of load and unload, lifting, segmented turning the air. Have the advantage on turning the hull and close operations. the first is through the upward and downward adjustments, the entire segment by car to bear on.
 
Ship gantry crane used in the place of ship manufacture and the dock, its task is to put all the parts required for the manufacture of the ship (ribs, steel, steel, etc.) from the ground transportation to manufacturing place. this transport work must be able to complete the task in a very long journey in transportation quickly. therefore, the number of cranes decided, enough to reach the dock area of the entire foundation, and each crane mutually interfere with each other in principle.
1. Both side of all the steel plate of crane are pretreatment by pretreatment production line, Sand blasting-- Primer spray--Primer drying. Eliminate the innerstress of steel plate, increase the adhesive force of the steel structure. Ensure the appearance and anticorrosion quality.
 
2. Steel plate cutting adapt whole sets Messer CNC plasma cutting machine from Germany, very fast cutting speed, little deformation, High precision, Deviation could be controlled within 1mm, it insure the raw material at high quality standard and can reach top level in the industry.
 
3. The welding of main beam adapt high efficiency and intelligent welding robot. The welding joint inside of the main beam adapt advanced MAG welding, adapt Ar+CO2 mixed protective gas, The 4 welding joint outside of the main beam adapt automatic submerged-arc fillet welding machine.
 
4. The welding of main beam adapt radiographic inspection and ultrasonic flaw detection for the welding joint and fillet weld position.
 
5. The welding of end beam adapt double gun gantry submerged arc welding, highly welding quality ensure the stable quality of the crane effectively.
 
6. Adapt the steel plate rolling drum and wireless steel tube, We has a set of steel plate rolling drum producing and processing line which is industry-leading level. From pre-bending by 1250t press machine, to Edge rolling by three-roller plate roll, at last the longitudinal joint and circumferential joint of drum are welded by automatic welding center and drum processed by heavy duty CNC horizontal machine tool.
apacity
Main
t
50
75
100
200
320
400
500
Aux
10
20
20
32
50
30
80
Span
S(m)
30
35
40
16
22
18
18
28.5
Lifting height
Main
m
Above rail max.22  
22
16
12
13
18
3  3/10
Aux
Above rail max.24  
17.5
13
14
20.0
34.0
Lifting speed
Main
m/min
7.68
6.25
4.62
0.2-1.8
0.14-1.4
0.15-1.5
0.15-1.5
Aux
19.8
9.28
9.28
6
7.5
6
0.6-6
Trolley speed
m/min
38.6
38.9
13.1
20
7
10
1.36-13.6
Crane speed
m/min
42.7
17.8
16
17
18
1.6-16
Work duty
 
A5
A5
A5
A5
A5
A5
A5
Track
 
QU 80
QU 100
QU 120

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