SPEED CONTROL METHOD FOR CARGO CONVEYOR AND CONTROL DEVICE THEREOF

PURPOSE:To accurately stop a cargo conveyor mounted with a cargo having a different load in a stopping position of a cargo housing part. CONSTITUTION:A speed control method and a control device thereof have a sensor 35 and a timer 34 to measure passing time when a picker body 3 is moved by a prescri...

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Bibliographic Details
Main Authors IWAMARU HIROSHI, YOSHIDA KAKUO
Format Patent
LanguageEnglish
Published 25.07.1995
Edition6
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKING
PERFORMING OPERATIONS
PNEUMATIC TUBE CONVEYORS
SHOP CONVEYOR SYSTEMS
STORING
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
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Summary:PURPOSE:To accurately stop a cargo conveyor mounted with a cargo having a different load in a stopping position of a cargo housing part. CONSTITUTION:A speed control method and a control device thereof have a sensor 35 and a timer 34 to measure passing time when a picker body 3 is moved by a prescribed distance on a moving stand in a cargo conveyor, a RAM 33 to respectively store unloading necessary time to move the picker body 3 by a reference distance in an unloaded condition and actual load necessary time to move the picker body 3 by the reference distance in a cargo carrying condition and a driving circuit 40 of a traveling motor 39 to move the cargo conveyor. A control device 31 is provided to control so as to change the timing to change travel from high speed travel of the cargo convyor to travel along a front surface of a housing shelf unit to low speed travel according to the ratio of the unloading necessary time to the actual load necessary time.
Bibliography:Application Number: JP19930331829