A method of operating a load handling machine 10, the machine having a first part 16 rotatably mounted relative to a second part 12. The first part consists of a load handling arm, 20, 32, and 34. The system further comprises an actuator for rotating the first part relative to the second part 46, a sensor system for determining the rotational position of the first part relative to the second part 44 and first and second operator input devices 26. The first operator input device is used to provide an input speed of rotation of the first part relative to the second part, the second operator input device is used to indicate a need to align the first part relative to the second part at an alignment position. A control system (48, fig 2) operates to slow the rotation of the first part as the alignment position is approached and stop the first part at the alignment position, overriding the input of the first operator input device if necessary.
Load handling machine
2018-10-03
Patent
Elektronische Ressource
Englisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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