FIELD: agricultural engineering.
SUBSTANCE: invention can be used to prevent violation of operating process of thresher drums. Proposed device contains to members brought into engagement and running one over the other. One of said members of secured on drum, and the other is fixed on thresher housing. Said members are essentially internal gear pair. External gear wheel of said pair is mounted on thresher housing for axial displacement. Drive of external gear wheel is furnished with power cylinder and overrunning clutch mounted on thresher housing. Inlet link of clutch is cylindrical rack-and-pinion transmission. Rack of overrunning clutch is connected with rod of power cylinder with possibility of demounting. Pinion of rack-and-pinion transmission is arranged on hub of outlet link by means of rollers and elastic elements. Axial hole in form of regular prism is made in center of hub. External gear is mated by mounting part with hub hole.
EFFECT: reduced time taken for elimination of clogging-up of threshing space, improved operation reliability.
4 cl, 4 dwg
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