Evaluation of the structural and height parameters of wide-span circular sprinkler machines

One of the most effective and widespread irrigation methods in the central part of the Russian Federation is sprinkling, and the most common are wide-range circular sprinkler machines. The aim is to optimize the design and height parameters of sprinkler equipment, depending on the operating conditions and irrigated crops. The article considers the optimization of structural and height parameters, machine span lengths depending on the terrain and height of irrigated crops. Agrotechnical patency was assessed by the ratio of agricultural illumination to the height of plants on the most difficult terrain. The conducted studies show that in order to increase the efficiency of operation (reduce slipping and eliminate stopping), as well as eliminate plant jamming, the ratio of the value of agricultural illumination to plant height should be more than 0.7. The results of experimental studies and recommendations of optimal ratios of profile height, machine span, terrain slope and watered crops are presented. When operating on slopes of more than 0.08, the lifting height of the pipeline above the ground is 2.7 m with spans of 59.5 and 65 m is not sufficient, higher-profile models are needed. At the same time, the increase in the profile is limited by metal consumption and traction properties. The value is selected as the minimum possible while ensuring agro technical passability.

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