| 摘要 |
PURPOSE: An angle adjustor of a tractor harrow is provided to prevent severe blurring by elastically supporting the left and right blurring of a harrow plate while offering excellent workability. CONSTITUTION: An angle adjustor of a tractor harrow includes: a rotavator which is equipped with a cylinder mounted on the rear side of the tractor; a cylinder rod which is hinge-coupled with the harrow plate; a supporting frame which supports the rotavator and is hinge-connected to the harrow plate; a long bolt holder(520) which is prepared in the supporting frame and accepts a long bolt; a long bolt(530) which is installed to expose to the top after being inserted into the long bolt holder and is hinge-connected to the harrow plate at the bottom part; and a screw nut(600) which is installed to hang on the top end of the long bolt holder after being combined with the long bolt exposed to the upper part of the holder. |
