| 摘要 |
PURPOSE: Disclosed is a constructible subsidiary harrow for tractor to be connected with tractor in plowing a paddy with water in it to level rice field bottom of muddy, to improve efficiency of leveling rice field by forming subsidiary harrow being constructed in the both sides of harrow body with a double. CONSTITUTION: The constructible subsidiary harrow for tractor for tractor is characterized by installing cylinder(2) and piston rod(3) to be worked with hydraulic pressure in harrow body(1); installing first subsidiary harrow(4) being constructed in both sides by being connected with piston rod(3); installing second subsidiary harrow(6) being constructed together with first subsidiary harrow(4) in the first subsidiary harrow(4); installing double construction device(Q) to construct first subsidiary harrow(4) and second subsidiary harrow(6) in the first and second subsidiary harrow(4),(6); installing first and second cable(7)(8) on the upper and lower side as double construction device(Q); connecting and fixing the first cable with first and second fixing device(9)(10) and being installed to be enclosed in first roller(13); connecting and fixing second cable(8) with third and fourth fixing device(12) and being installed to be enclosed in second roller(14).
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