05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
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05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionIn this article we consider methods of inactivation of anti-nutrient substances of leguminous crops by means of preliminary treatment: melting and extrusion of grain. It has been found that the main anti-nutrient of legumes is a trypsin inhibitor. It is concluded that it is impossible to use leguminous crops as animal feed without preliminary treatment. We have considered issues of use of leguminous crops in feeding farm animals in the form of flour, cake, extraction cake, protein concentrates, milk, green mass, hay, senage, herbal flour and silage, and it has been established that the most promising direction of preparation of leguminous animals for feeding by agricultural animals is preparation of liquid protein suspension
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SUBSTANTIATION OF THE SIZE OF A COMBINED DEVICE FOR TILLAGE AND SOWING
05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionThe article presents a methodological approach to the rational selection of the optimal working width by the example of a combined tillage unit using original software. To select the optimal working width of a combined soil cultivating unit, the initial data are: make (type) of the tractor (power tool), unit cost of the machine and tractor unit in comparable prices, production time of the machine and tractor unit to perform the technological operation at a given operating speed with a clear compliance with agrotechnical requirements, both to the technological operation itself, and, directly, to the agricultural machine. As an example, we consider a combined semi-mounted modular tillage and sowing unit for grain crops and the MTZ-82.1 tractor. In this unit, the main working bodies are S-shaped spring teeth and rollers. Based on the performed analytical studies of the pre-sowing (surface) tillage process and the application of theoretical modeling methods, mathematical dependencies have been developed to determine and further analyze the energy-technological parameters of combined tillage units with dynamic working bodies. The performed calculations according to the developed method allow us to choose the optimal working width of the combined soil cultivating unit
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05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionThe urgent task facing the agro-industrial complex is the improvement of storage methods for agricultural products and the development of new ones. One of the actively cultivated crops, characterized by a variety of species, valuable taste and medicinal properties – grape. It is possible to provide the population with fresh grapes of high quality through the introduction of effective storage technologies that reduce losses, preserve marketable properties and biological value. One of the effective ways to preserve the quality of grapes during storage is the use of sulfur dioxide (SO2). This gas inhibits oxidative enzymes in berries, thereby reducing the rate of development of the phytopathogen Botrýtis cinérea, which causes gray rot. At the same time, it is especially important to control the rate of release of sulfur dioxide, since at the beginning of storage it is necessary to ensure the receipt of a large amount of it, which will eliminate Botrytis spores present on the surface of the berries and stabilize the existing damage. Further, during the entire period of storage of grapes, sulfur dioxide must be supplied in minimal quantities. Such dynamics of SO2 emission can be ensured by the use of two-phase generators of sulfur dioxide. The article investigated the effects of sulfur dioxide generators on the quality of grapes during storage. The study also investigates quality indicators of grapes of several varieties zoned in the Krasnodar region under long-term storage
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05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionAs a result of the analysis of the scientific question, there is a steady trend of growth in food consumption, especially of plant origin. To this issue, it is also necessary to add the provision of food security of the country and the exclusion of dependence on foreign producers. Thus, before science and production is a serious question of a significant increase in the production of crop products with a slight increase in the cost of these types of work and the main thing is to ensure the preservation of soil fertility. This can be achieved by reducing the use of chemical means of protection, less intensive impact on the treated environment by the running systems of power facilities and the working bodies of machines, but in compliance with the primary requirements for the treated surface. The proposed design of a horizontally arranged spherical disk working body can be used in various tillage machines for shallow and surface tillage. The design of the working body allows reducing the passes of the unit to perform the necessary agricultural requirements for equalization and ridges of the soil. And these indicators have a significant impact on the quality of sowing, which will necessarily affect the yield in the end. Comparative studies of the proposed working body and the same devices used in production show a clear advantage of the new scheme
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05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionThe problem of linear motion of agricultural transporting vehicle (ATV) without satellite systems is a complex and difficult task. The consequences of non-linear movement associated with irregularity fertilizing, non-compliance between the rows and irregularity plowing leads which will leads to unnecessary costs for operating materials, which will causes significant economics damage to agricultural enterprises. In this case. In this article, we have presented theoretical foundations of simulation modeling of the course motion of the ATV taking into account wheel slipping for analyzing the effects of non-linear motion. There were also some results of checking their adequacy from field tests
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TO THE QUESTION OF POTATO DAMAGE DURING HARVESTING AND LAYING FOR STORAGE
05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionThe article considers the possibility of using a potato harvester with an unloading device. The principle of operation of an unloading device based on a potato harvester is presented. The unloading device of the root-harvesting machine allows to prevent damage to tubers by damping the speed and lowering the height of the falling heap due to the use of the unloading gutter equipped with a lifting-lowering mechanism made of two differently inclined flat sections, on the inner surface of which, across the gutter, elastically deformable elements are fixed in the form loop absorbers. A group of authors carried out a comparative assessment of the tests of the basic model of the AVR Kolnag potato harvester Spirit 6200 and its improved experimental version with an unloading rating device. The studies were conducted on the fields of the Danko farm of the Lukhovitsky district, Moscow region in 2018 - 2019. Harvesting was carried out alternately from several fields. According to the data obtained, it was found that the level of damage to potato tubers when using the developed experimental version of the unloading device of the potato harvester is 2.1%, which is lower in comparison with the basic model of the harvester. The obtained results of field studies of the experimental unloading device confirmed the results of previous theoretical calculations and laboratory studies, including the high efficiency of the developed device compared to the serial analogue
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PERSPECTIVE SYSTEM FOR MECHANIZATION OF FIELD CROPS CULTIVATION
05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionIn the article we performed an analysis and generalization of the accumulated results of scientific research and best practices in the problem of creating and using machines and technologies in field cultivation of the Krasnodar region; their shortcomings are revealed, as well as ways and means of increasing the efficiency of field crop production through innovative technology machines. Attention is paid to eliminating the violation of agrotechnical, environmental requirements, complexity and quality work performed by serial equipment; unreasonably dependent nomenclature of technical means and high labor costs and means compared with foreign technologies, proposals have been developed for a system of machines for mechanizing field cultivation, which includes the I450 mobile power tool, Belarus tractor 1523 and 890, the fertilizer sprayer TUNAN-1, E5-1, KZR combines -12 and CF-10, a fundamentally new loop of cars for mobile power is based on multifunctional units, assembled from serial single-operation machines according to the inventions of KubSAU, and machine technologies based on the use of multifunctional units strictly comply with the farming system and the fulfillment of the above requirements. The transition of agricultural enterprises to new technologies for the production of field products is justified, including a “non-spring” for cereals, legumes and oilseeds, a new system of tractors and trailed combines that are not inferior to self-propelled, but much cheaper. The new mechanization system provides a breakthrough in the efficient production of crop production in accordance with the estimated technical and economic indicators
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05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionThe article considers a kinematic analysis of the leaves distribution mechanism in the device for placing the tobacco leaves into container using analytic method. These researches allow defining optimal geometric parameters of this device theoretically
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05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionBoth domestic and foreign experience have noted that the introduction of diagnostic tools was one of the most important factors in increasing the economic efficiency of the use of equipment in industry. The purpose of diagnostics is detection and prevention of failures and failures, maintenance of operational parameters within the specified limits, forecasting of the state for the purpose of full use of the resource. Today, more than ever, the assessment of the current state of the electric power is particularly acute. With one regulatory method of testing electric motors, it was necessary to make a sufficiently in-depth analysis of technical documentation for testing or diagnosis of new modern tests or diagnostics. The relevance of the transition to non-destructive methods of motor testing is increased in order to increase their service life. At present, there is a need to introduce more gentle methods of testing electric bodies, since the standardized test method has a negative impact on the condition of electric motors as a whole and on the integrity of the structure. In order to ensure the necessary level of reliability of electrical equipment at enterprises, it is necessary to use modern testing methods and diagnostic systems
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TECHNOLOGICAL AND DESIGN PARAMETERS OF A PNEUMATIC SEEDER WITH A CENTRAL DOSING SYSTEM
05.20.01 Technologies and means of mechanization of agriculture (technical sciences)
DescriptionThe article describes reasons for uneven distribution of seeds by pneumatic grain drills. For the theoretical justification of the operation modes of the pneumatic seeder, we have calculated the coefficients of the weight concentration of seeds in the air stream for different seeding rates and movement speeds. We have also calculated feed rate of seeds and planting performance of the machine for working width of 8.4 m. We have derived an equation of constancy of consumption of seeds, and the equation determining total pressure loss in the pneumatic conduit, emerging from the sum of the losses in the receiver, losses on the dispersal of the material after the receiver, and losses on the stopped movement of pneumatic mixtures