Controller for self-travelling dolly

Abstract

Abstract PURPOSE:To exercise accurate branch run control by locking the steering of a dolly on the basis of the 1st detection of a detector when a straight advance command is supplied, and unlocking it on the basis of the 2nd detection. CONSTITUTION:When a dolly 8 is at stop points 6 and 7 and both detectors 9 and 9 operate, a stop commanding device 19 operates and the dolly 8 stops automatically. With a next run command signal, the dolly 8 starts and one detector 9 detects an arrival point 4. At this time, a counter 14 sends a signal for the 1st detector. If a straight advance command signal (a) is not supplied, the dolly 8 is guided along a branch line 2, but when the straight advance command signal (a) is supplied, the signal (a) puts a steering locking device in operation and the dolly 8 runs straight at a break part 3. Then when the dolly 8 reaches a down-side main line part 1b and the detector 9 detects an arrival point 5, the counter 14 sends a signal for the 2nd detection to operate an unlocking device 22 and after unlocking operation, the dolly 8 is guided along the main line part 1b.

Inventors

• 👤 Toshio Sakurai

Bibliographic Details