Substantiation of the parameters of the feeder chamber conveyor of the combine harvester header
2021
The aim of the research was to check the possibility of using and the justification of design and operating parameters of the proposed chain-and-slat conveyor of the feeder house for harvesting grain crops on the example of wheat. The research methodology included the determination of grain losses and crushing behind the combine thresher when varying the slat pitch of the chain-and-slat transporter (153.6; 307.2 and 460.8 mm), the speed of moving these slats (2.0...5.0 m/s) and the speed of the combine (1.2...2.4 m/s). The researches made on chain-and-slat conveyor of the combine harvester’s feeder house have shown that it can be used in the harvester’s design. The rational values of design and mode parameters of chain-and-slat conveyor of the combine harvester’s feeder house have been justified by laboratory and field studies. At a pitch of stamped slats of the chain-and-slat conveyor of 307.2 mm, a speed of chain-and-slat conveyor slats of 2.8...3.6 m/s and a working speed of the combine of 2.2 m/s, grain losses behind the threshing machine and grain crushing amount to less than one percent that meets the agricultural requirements.
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