| 摘要 |
FIELD: grain combine equipment for grinding non-grain part of crops. ^ SUBSTANCE: straw grinder has casing, grinding drum with working tools pivotally fixed thereon along helical lines, counter drive mechanism positioned on vibrating lever, stepped pulley movable along axis of rotation. In order to provide for engagement at predetermined time of only one working tool with one of shear members rigidly fixed on adjustable bar, leading portion of second coil of working tools is offset along axis of rotation. ^ EFFECT: reduced pulsing of loading on drive. ^ 4 dwg |
