| 摘要 |
<p>An automatic material-transporting device and overhead travelling crane system thereof; the overhead travelling crane system comprises an overhead travelling crane track and a trolley moving on the overhead travelling crane track; the trolley is connected to a handling assembly for handling a cassette, the handling assembly on the trolley replacing all the handling devices in the storage cabinets, thus reducing the cost of an automatic material-handling system, avoiding the impact of faults of the handling devices on normal operation, reducing the probability of failure, and improving the production capacity of the automatic material-handling system.</p> |
