| 简介 |
FIELD : agriculture.
SUBSTANCE : tiller consists of frame with support wheels and mounting. The frame is made out of beams. Working elements are arranged at one of the beams at angle to direction of tiller motion. The beam with mounted working elements is arranged at angle to direction of motion of 40-50°. The working elements correspond to a right and left flat shares with cutting edges secured on a flat shank, a vertical share with the cutting edge bent in form of a band spiral and an earth-board. The working element is equipped with a case located behind the vertical share and covering part of the working element between a lower part of the shank, lower part of the vertical share and left share creating a cavity. The right and left shares are inclined to horizontal plane and the flat shank. The earth-board of the working element is made out of metal sheet bent along radius and corresponds to extension of curvilinear surface formed by the band of the vertical share. The upper, removed from the shank, angle of the earth-board is bent along direction of tiller motion.
EFFECT : design facilitates upgrading quality of soil tillage and reliability of structure, also eliminates working elements sticking with soil and reduces draft resistance.
11 cl, 9 dwg |
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