发明名称 |
SUSPENSION TYPE OVERHEAD TRAVELING CONVEYING CARRIAGE |
摘要 |
PROBLEM TO BE SOLVED: To eliminate danger of falling-off of a conveyed load caused by malfunction of a holding mechanism. SOLUTION: A push buttom switch 3 for confirming the existence of a conveyed load is provided in a claw 2a of a gripping part 2 of a suspended type overhead traveling conveying carriage for holding the conveyed load in the carriage. The switch 3 is arranged to be pushed down when the load is exists in the gripping part 2. The switch 3 is connected to an electric power surce circuit of an actuator for opening and closing the gripping part 2 of the carriage, and a supply of electric power to the actuator for opening and closing the gripping part 2 is blocked in a condition where the switch 3 is pushed down. The gripping part 2 is prevented thereby from being opened by malfunction in a condition where the gripping part 2 holds the conveyed load so as to prevent the load from falling off, even when abnormality is generated in a controller for controlling the opening and closing of the gripping part 2.
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申请公布号 |
JP2000255969(A) |
申请公布日期 |
2000.09.19 |
申请号 |
JP19990056925 |
申请日期 |
1999.03.04 |
申请人 |
SHINKO ELECTRIC CO LTD |
发明人 |
TAKAOKA SHUNJI;GUNKE NOBUKIMI |
分类号 |
B61B3/02;B25J15/08;B61B13/06;B65G1/04;B65G35/00;B65G49/07;B66C1/28;G05D1/02;(IPC1-7):B66C1/28 |
主分类号 |
B61B3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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