| 摘要 |
The invention relates to a multiple trolley container crane having at least two trolley tracks ( 6, 7 ) disposed one on top of the other, on which trolleys ( 8 ) having running wheels, drive devices, and lifting devices move. Characterized in that running wheels ( 20 ) that can be laterally retracted and extended, and an integrated lifting system ( 21, 22, 24, 25, 26 ) are disposed on the trolleys ( 8 ) on the trolley tracks ( 6, 7 ), with which they support themselves on or next to the trolley tracks ( 6, 7 ) and thereby get from the lower to the upper trolley tracks ( 6, 7 ) and vice versa. The invention is suitable for fast loading and unloading of container ships, where several containers are supposed to be loaded and unloaded from them at the same time (Figure).
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