| 摘要 |
PURPOSE:To improve the cycle time of the stocking/delivery work of a crane for stocking/delivery work. CONSTITUTION:The weight of a freight placed on the loading board inputted as feedback signal 12 into a controller 1, and each operation pattern of a traveling device 3, elevator device 4 and a fork device 5 which is accompanied with the stocking/delivery work of a crane is switching-controlled to the safe and max. speed pattern which is always suitable for the load. Accordingly, each operation operation pattern of traveling, elevation and lowering, and forking is switched to the optimum according to the load of the placed freight and can be controlled, and the cycle time of the crane can be increased to the max., and the faculty of the automatic warehouse can be improved. |
