Heavy Duty Movable Cabin Control Electric Double Girder 300ton Shipbuilding Gantry Crane Used for Ship Building

Capacity (t)

2*25+50/10

2*25+75/20

2*75+80/20

2*100+160/32

300

370

600

Segmented flip

lifting capacity (t)

100

150

200

300

200

300

600

Span length (m)

50

60

80

100

94

100

182

Travel speed

Crane travel speed (m/min)

0.5-20;0.5-30

0.5-20;0.5-30

0.5-20;0.5-30

0.5-20;0.5-30

0.6-20

(wind<14m/s);

0.6-30

(winds<8m/s)

0.6-20

(winds<14m/s)

0-35(full load);

0-45(no-load,

winds<15m/s)

Upper trolley

(m/min)

0.42-42

0.42-42

0.5-20;0.5-30

0.5-20;0.5-30

0.6-20

(wind<14m/s);

0.6-30

(winds<8m/s)

0.6-20

(wind<14m/s);

0.6-30

(winds<8m/s)

0-35(full load);

0-45(no-load,

winds<15m/s)

Lower trolley

(m/min)

0.42-42

0.42-42

0.5-20;0.5-30

0.5-20;0.5-30

0.6-20

(wind<14m/s);

0.6-30

(winds<8m/s)

0.6-20

(wind<14m/s);

0.6-30

(winds<8m/s)

0-35(full load);

0-45(no-load,

winds<15m/s)

Lift speed

Upper trolley

(m/min)

0.75-7.5;0.75-15

(Lightly loaded)

0.6-6;0.6-12

(Lightly loaded)

0.5-5;0.5-10

(Lightly loaded)

0.5-5;0.5-10

(Lightly loaded)

0.2-5(Full load);

0.2-10

(50% full load)

0.35-3.5

(Full load);

0.35-7

(50% full load)

0-3(Full load)

Lower trolley

(m/min)

Main

0.75-7.5;0.75-15

(Lightly loaded)

0.6-6;0.6-12

(Lightly loaded)

0.5-5;0.5-10

(Lightly loaded)

0.5-5;0.5-10

(Lightly loaded)

0.2-5(Full load);

0.2-10

(50% full load)

0-3(Full load)

Auxiliary

12

15

15

15

10

0-20

• Overload protection,
• Main lifting motor with thermal protection,
• Hooks with latch,
• Rubber buffers
• Protective earthing,
• Crane switch and travel end switch,
• Emergency switch can stop all movement when any dangerous happened,
• Sub-assemblies characteristic are tested before assemly.
• All cranes must be pre-assmebled and tested before leaving factory and offer the certification of test.

1. Single hanging, lifting hanging, air overturning, air unbalanced tiny turn grievances, such as micro-multiple functions.

2. Upper trolley has double main hooks separately situated at the outer side of the main girder which can separate or simultaneously horizontally move within 0-2m.

3. Lower trolley has main and auxiliary hooks situated below the center of girder.

4. The two crabs can mutual act in the air.

5. In order to prevent the attacks of storms, there are reliable wind-shielding devices such as rail clamp, ground anchor.