| 摘要 |
<p>PURPOSE:To reduce the transportation costs by furnishing a heavy duty lift having cage, a guide path leading from elevator hallway at each storey to object deposit, an unmanned dolly which has transfer device and runs about by itself on the guide path and on intra-cage guide paths, and a control means which performs run control using an ID code. CONSTITUTION:An unmanned dolly 16 on which materials 21 for a fork lift 34 are placed at an unmanned dolly standby position P, gets on a cage 12 by following guide paths 27, 29. At this time of getting on, a control device runs and stops the cage 12 to/at a specified storey (n) in conformity to information ready by a bar code reader 22. When getting out onto the floor nF of the n'th storey following a guide path 26, the unmanned dolly 16 runs by itself toward an object receptacle trolley 35 arranged in a stock yard while following the guide path 28n of the floor nF. Reaching the receptacle trolley 35, the materials 21 on a transfer device are transferred onto the trolley 35. The unloaded dolly 16 gets on the cage 12 by following the guide paths 28n, 29, and the cage 12 sinks to the 1st storey. Upon landing, the emptied unmanned dolly 16 runs to the standby position P following the guide paths 29, 27, and awaits next work of receiving objects.</p> |
