| 摘要 |
FIELD: agricultural engineering, in particular, equipment for threshing and separating of grain heap. ^ SUBSTANCE: combine has header, threshing drum, grain hopper, straw walkers and tossing board. Air chamber positioned below straw walkers is divided into two sections. First section for collecting of first-grade grain is communicating with grain hopper through elevator. Second section of air chamber is connected through air ducts with dust fan and with pull-type hopper. ^ EFFECT: simplified construction and high-quality sorting of grain heap. ^ 3 dwg |
