TRAVEL DISTANCE MEASURING DEVICE FOR AUTOMATIC GUIDED VEHICLE

Japanese Patent JP3853578

B2

PROBLEM TO BE SOLVED: To obtain a travel distance measuring device for an automatic guided vehicle capable of performing highly accurate measurements by supporting a measuring wheel at a carriage without exertion of load and steering the measuring wheel by the same angle as a steering wheel in synchronization with the steering of the steering wheel.
SOLUTION: A steering motor 6 is installed to the carriage, and the steering wheel 9 is supported rotatably in a plane at a steering shaft 11 rotation-freely supported at the carriage. The steering shaft 11 of the steering wheel 9 is connected to the motor shaft of the steering motor 6 via a rotation transmitting mechanism. The measuring wheel 14 is supported rotatably in a plain at a steering shaft 16 for the measuring wheel rotation-freely supported at the carriage, and the steering shaft 16 for the measuring wheel is connected to the motor shaft of the steering motor 6 or the steering shaft 11 of the steering wheel 9 via a rotation interlocking mechanism to steer the measuring wheel 14 by the same angle in synchronization with the steering of the steering wheel 9. An encoder 20 for measurement is mounted to the measuring wheel 14 to count the number of revolutions of the measuring wheel 14 and measure travel distance.

Masashi Mitsui
Kaga Keiko

JP2000227296A

December 06, 2006

July 27, 2000

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Sumitomo Heavy Industries Ltd.
Sumitomo Naco Material Handling Co., Ltd.

G01C22/00; B62D5/04; B62D7/08; B62D7/14; G05D1/02; (IPC1-7): G01C22/00; B62D5/04; B62D7/08; B62D7/14; //G05D1/02

JP7132840A
JP6273189A
JP6444377A
JP2254058A

Kazuo Hakata

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