| 摘要 |
PURPOSE:To make possible to perform surely the detection of loading of goods and the detection of abnormal condition such as slide-down of said goods by installing a pair of inside and outside detection means on the device entitled above, which is suitable for a receiving/delivery device or the like of a crane for housing and delivery of goods in an automatic warehouse. CONSTITUTION:On a carriage 3 provided thereon with a receiving/delivery device 4, which can be moved horizontally, a pair of detection units 9, 10 are set in front and in the rear. Each of detection units 9, 10 consists of a pair of inside detection means 11a, 11b, which detect respective right and left sides of a container 6 with shorter width, and a pair of outside detection means 12a, 12b, which detect respective positions fairly shifting to the outer direction from right and left sides of a container 7 with longer width, and each of detection means consists of a light projector 13 and a light detector 14. Therefore, when one of inside detection means 11a, 11b comes to ON, or both inside detection means 11a, 11b and one of outside detection means 12a, 12b come to ON, said device sends out the detection signal for slide-down of said goods, and when both outside detection means 12a, 12b come to ON, said device sends out the detection signal for excess loading. |
