PRELIMINARY SEEDLING STORAGE STRUCTURE OF RICE TRANSPLANTER

摘要

PURPOSE:To surely supply preliminary seedlings only during replenishment of preliminary seedlings, by equipping a checking means for preventing change of a preliminary seedling storage device to a seedling feed state irrespective of detecting action of seedling residue sensor when preliminary seedlings are not detected by the preliminary seedling residue sensor. CONSTITUTION:A control means 28 which receives signals from a seedling residue sensor 16, a stroke end discovering sensor 25 and a preliminary seedling residue sensor 27 and outputs an action signal to an electromagnetic solenoid 14 is equipped. The control means is made OFF by reduction of seedlings detected by the seedling residue sensor 16, made ON by detecting arrival of stroke end sensors 25a and 25b to stroke ends, is made ON in the case of detection of preliminary seedlings by the preliminary seedling residue sensor 27. A preliminary seedling storage device is changed to a seedling feed state and preliminary seedlings are supplied to a seedling placing stand. Consequently, when the preliminary seedling residue sensor 27 does not detect the existence of preliminary seedlings, the preliminary seedling storage device is not operated even with the detection and working of the seedling residue sensor 16 and the detection and working of the stroke end detection sensor 25.