High productivity Quayside crane

12

Efficient operation and Short cycle time of QC

1. Anti-skew Control -Dynamic Skew Control Stable against Wind and

Eccentric Load

2. Automated Operation -Reduction of operator stress and fatigue

3. Hyper Container Crane -High Productivity Crane for Mega Vessel

Efficient operation and short cycle time by the advanced control technology combined with structure characteristic which has been developed based on the much experiences.

13

0 5 10 15-0.20-0.15-0.10-0.050.000.050.100.150.20

SKEW

(rad

)

TIME (sec)

1. Anti-skew Control

Laser target

Skew

14

System Diagram for Anti-skew

Operator’s Cab

Skew Drive Control

Remote I/O

Image Processing Unit

Electrical Room

M

ProgrammableLogic Controller

WideCamera

Skew motion

Spreader

Trolley

Target

NarrowCamera

Power Cylinder for Skew 15

1. Anti-skew Control1. Anti-skew Control

16

　　　　　 VTR

2. Automated Operation

17

・ Feature　　 Reduction of Operator

stress and fatigue　　 1. Independent cabin　　 2. Monitor of Land Side

Operation・ Delivered　　 1995 　 Yokohama Port