IMPROVEMENT OF THE EFFECTIVENESS OF WORKING OF SEED-SOWING MECHANISM OF PRECISION SEEDER
They make special demands to the planting of the tilled crops. Unlike grain crops the tilled crops are sowed in a line with the certain step, which permits to provide the rational placing of the plants on the feeding areas. Due to this the nec-essary conditions are made for their further growth and getting of big crops. For planting of the tilled crops all over the world they apply pneumatic precision drills with vacuum seed-sowing mechanisms and the quality of realization of the opera-tion depends on their work much.
The process of work of the vacuum seed-sowing mechanism can be divided on basic stage, the process of catching a single seed and carrying it out of the layer of the others with the drawing hole is the most responsible among them. The anal-yses of the work which has been done let conclude that the influence of the agitator on the layer of the seeds in the zone of their catching with the drawing holes in-creases the efficiency of this process.
With an aim of the activation of the working process of the central agitator the authors offer to make its blades in such a way that their working sides would be turned in the direction of rotation of the agitator and the plane of the feed disk. All this let use the agitator not only for activation of the layer of seeds but for their push to the drawing holes of the feed disk.The proof of the offered construction is presented in the article, the results of the comparative experimental researches of the serial and the modernized vacuum seed-sowing mechanisms and the analyses of obtained data are shown, conclusions have been formulated.
Keyword(s): Precision drill; vacuum seed-sowing mechanism; modernization; agitator; dozing element; raising of quality of dozing of the seeds; experimental research.
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Agricultural Engineering ISSN 1392-1134 / eISSN 2345-0371
This journal is published under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License. Responsible editor: Dr A. Žunda.