| 摘要 |
PROBLEM TO BE SOLVED: To improve conveyance equipment provided with two fore-and-aft automatic doors which simultaneously open/close a loading passage and an unloading passage provided side by side. SOLUTION: The unloading passage 3, for example, is set as a prior passage to the loading passage 2, conveyors C1 to C3, C4 to C6 of the respective passages 2, 3 are controlled respectively, and a control means 10 on the loading passage 2 side which is not the prior passage among two control means 10, 11 for alternately controlling to open/close the two automatic doors D1, D2 fetches load arrival information in front of the automatic door on each of the self passage and the prior passage. When both of a self passage load arrival signal and a prior passage load arrival signal are fetched, the control means 11 on the loading passage 3 side, which is the prior passage, is operated to perform load conveyance on the load carrying-out passage 3 side later, and perform load conveyance on the other side. If the control means 11 on the unloading passage 3 side, which is the prior passage, is in an abnormal condition, the control means is operated based on a self passage load arrival signal regardless of the prior passage load arrival signal. COPYRIGHT: (C)2004,JPO
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