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Irrigation and Melioration

Abstract

Discusses the fact that machine-tractor units (MTA) from high-power tractors are often not fully used due to errors in the design and operation of units, their ability to work under certain operating conditions with maximum efficiency and minimum fuel consumption, a method of completing a machine-tractor unit from a high-power technical means is proposed, which ensures the required quality of the technological operation, maximum efficiency and minimum fuel consumption, which must be performed under certain operating conditions. To study the power balance of energy-saving units, consisting of powerful tractors and modern agricultural machinery, an analysis was carried out of a powerful New Holland 7060 tractor of the foreign LLC TST Cluster and modern Multi-master 153T and Euroopal 7 plows. Theoretical studies have shown that at a given unit speed 7 , 4 and 7.9 km / h, the net engine power varies slightly, while the hook power remains almost unchanged. The powerful New Holland 7060 tractor has a traction coefficient of 0.99 and 1, respectively, in the 4-body version of the Multi-master 153T 4 + 1 plow at speeds of 7.4 and 7.9 km/h, respectively. 04 to 0.79 and 0.83 in 5-furrow version. The 5-furrow Euroopal 7 plow has a pulling coefficient of 0.90 and 0.95, respectively. With traction power utilization values of 0.99 and 1.04 and, respectively, at speeds of 7.4 and 7.9, the New Holland 7060 "tractor results in increased slippage, decreased quality of work, productivity and increased fuel consumption.

First Page

72

Last Page

77

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