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Container position measurement and protective field monitoring at double-trolley gantry cranes

Features measuring system:

•  Double-trolley gantry cranes
      •  Protective field monitoring
      •  Container position measurement
      •  Redundant protection concept
      •  Precise position recognition of containers
      •  Profibus interface

Short description measuring system:

The measuring system consists of eight laser scanners and two evaluation PC which redundantly evaluate the measured values of each four laser scanners. The laser scanners are arranged at the gantry crane trolley in such way that they form a virtual room. During the transport of containers into the portal, the measuring system checks if there are objects (Van Carrier, persons or further containers) in the target area where the containers are to be settled down. In the case a ship is loaded the measuring system scans the containers which are situated in the portal and determines the accurate container position.