| 摘要 |
1437588 Automatic vehicle control FRIED KRUPP GmbH 16 Aug 1974 [17 Aug 1973] 36238/74 Heading B7N [Also in Division B8] A crane assembly comprises at least two cranes 9, 15 mounted to travel on rails 8, 14 so that they can pass each other or so that one crane can pass under another, transmitters on the cranes for emitting data representing the instantaneous positions of the cranes and/or or loads 21, 22 carried by the cranes which are subject to danger of collision upon approach of the the cranes towards one another, and a computer having a receiver for receiving the transmitted data, the computer being programmed to form imaginary envelopes from the received data which surround the corresponding crane parts and/or loads and emitting a warning signal when two envelopes become dangerously close. Instead of the elementary block envelopes shown the computer may form envelopes of more complicated form and which vary with the positioning of the various loads and loadhandling elements, Figs. 3 to 13 (not shown). |
