| 摘要 |
FIELD: agricultural engineering. ^ SUBSTANCE: cultivator has two rows of working tools, each mounted on bracket. Bracket is made in the form of sheet equipped with opening and attached by means of clips to machine frame. Tine of working tool is inserted into opening out of contact with sheet edges. Springs with washers are positioned on the top and bottom of sheet and compressed by tine nuts. Diameter of opening is equal to inner diameter of spring. One end of each spring is inserted into small opening provided in sheet and other end is inserted into opening provided in washer. Key is positioned between tine and upper washer. Tine is prevented from idling around its axis owing to key located between washer and tine. Flexibility of tine may be adjusted by tightening of nuts. ^ EFFECT: improved operating characteristics of cultivator during operation on stony soil and reduced usage of metal in construction of cultivator. ^ 3 dwg |
