Abstract
The main indicator of the work of a cotton picker is its completeness of harvesting in one pass. For a vertical spindle machine, this indicator is relatively low and not stable. The main factor giving rise to these shortcomings is the quality of functioning of the friction drive of the spindles. In the existing version of the friction drive, the tension of the V-belts turns out to be not the same and uncontrollable, which is why the traction capacity of the drive does not ensure the stability of the assigned angular speed of the spindle, which violates the conditions for gripping the cotton by the spindle tooth. Previously, the authors published studies of a serial drive that revealed some shortcomings in their manufacture and operation. The article describes the essence of improving the operation of the spindle friction drive: the authors show that if poly-V belts are installed instead of conventional V-belts: the geometric sliding of the spindle roller will decrease, which will improve the energy consumption of the drive; the girth of the roller with the belt will improve, because V-ribbed belts are more elastic than single V-belts; the degree of compression of all the belt wedges, planted on a common power belt to the roller, will be more the same than individual V-belts. These indicators, according to the authors, will improve the stability of the technological process of capturing cotton by the spindle tooth, which will increase the completeness of the harvest of the entire machine.
Published Version
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