No 7 (2014)


Issues of progress of national agricultural machinery industry

Tubolev S.S., Kolchin N.N.


Short information concerning the Moscow Economic Forum-2014 is given. Basic problems of national agricultural machinery industry and production of agricultural machinery are highlighted. An experience of establishment and effective operation of the Kolnag plant is considered as an example. General trends and development prospects for national agricultural machinery industry in the modern conditions are presented.
Tractors and Agricultural Machinery. 2014;(7):3-4
pages 3-4 views

Effective indicators of 2Ч 10,5/12,0 diesel operating on ethanol and rape oil and using binary system of fuel supply

Likhanov V.A., Araslanov M.I., Kozlov A.N.


Results of investigations related to improvement of effective indicators of 2Ч 10,5/12,0 diesel by the use of ethanol and rape oil with binary system of fuel supply are presented.
Tractors and Agricultural Machinery. 2014;(7):5-7
pages 5-7 views

Operational and technological parameters of mounted ploughs of the ПБС-family

Boykov V.M., Startsev S.V., Sayapin O.V.


Basic soil cultivation technology combining moldboard and subsoil plowing into one technical process is developed. Ploughs of ПСБ-family suitable for tractors of various drawbar categories have been developed for implementation the new technology.
Tractors and Agricultural Machinery. 2014;(7):8-10
pages 8-10 views

Belarus-921 horticultural tractor

Zezetko N.I.


Belarus-921 horticultural wheeled tractor of drawbar category 1,4 having all driving wheels and power engine of 66 kW (90 h.p.) is intended for mechanization of agricultural works in horticulture, fruit growing, viticulture and other branches. It has necessary equipment for aggregating with a system of agricultural machines. Main part of units and elements (about 82%) is unified with Belarus wheeled tractors of 900 family.
Tractors and Agricultural Machinery. 2014;(7):10-13
pages 10-13 views

Operational efficiency improvement of turbocharged diesel engines

Krokhta G.M., Khomchenko Y.N., Usatykh N.A.


Special procedure for assessment of efficiency of energy use of exhaust gases from turbocharged engines in a wide range of loading modes and ambient air temperatures, based on the exergy method, is proposed. Reliability of the proposed procedure is confirmed experimentally. Ways of improvement of turbocharged diesel engines operational efficiency are outlined.
Tractors and Agricultural Machinery. 2014;(7):14-17
pages 14-17 views

Determination of normal responses of a moving wheeled machine and coefficients of their redistribution on axles

Mamiti G.I., Tedeyev V.B.


Based on the new equation of a wheeled vehicle motion, calculation formulas for determination of normal response of bearing surface on wheels of a moving machine and coefficients of their redistribution on axles are obtained.
Tractors and Agricultural Machinery. 2014;(7):18-19
pages 18-19 views

Improvement of power take-off shaft of Belarus tractors

Bobrovnik A.I.


Typically independent power take-off shafts are used in tractors. In order to increase economical efficiency of aggregates when engines are underloaded, stabilized power take-off shaft and low-energy one are proposed for Belarus tractors of 1,4 and 5,0 categories. The prototype models passed the factory test.
Tractors and Agricultural Machinery. 2014;(7):20-24
pages 20-24 views

Investigation of burning and heat generation in thermally forced diesel

Plotnikov S.A., Buzikov S.V., Atamanyuk V.F.


Indicator diagrams of 2Ч 10,5/12,0 diesel have been analyzed in accordance with the method of Central Research and Development Institute of Diesel Engines. Diagrams of heat generation in thermally forced diesel are obtained for two regimes, namely for nominal and maximal driving moments. It was found theoretically that thermal forcing shortens preliminary stage of the burning and decreases the operating severity. It opens a prospect for forcing of diesel on mean effective pressure.
Tractors and Agricultural Machinery. 2014;(7):25-27
pages 25-27 views

To the substantiation of parameters of energy-saving undermining working organ

Norchayev D.R.


Structural diagrams and theoretical background for substantiation of parameters of energy-saving undermining working organ are given.
Tractors and Agricultural Machinery. 2014;(7):28-30
pages 28-30 views

Estimation of utilization level of grain combines’ performance

Yerokhin G.N., Reshetov A.S., Konovskiy V.V.


The method allowing to estimate of utilization level of grain combines’ performance is proposed. Efficiency of the method is demonstrated by the specific example.
Tractors and Agricultural Machinery. 2014;(7):30-32
pages 30-32 views

Theoretical substantiation of kinematic mode of separator for small leaf part of grass plant

Abilzhanov D.T., Abilzhanuly T.


The new preparation method for vitaminic grass flour from leaf part of grass plant is proposed, constructive and technological scheme of separator of small leaf part of grass plant is substantiated. As a result of theoretical researches equations of equivalent forces affecting plants’ stems in each quarter of circle of eccentric rotation are obtained, conditions for stems moving towards pitch of separator screen are determined.
Tractors and Agricultural Machinery. 2014;(7):32-35
pages 32-35 views

System of rear-view mirrors on a mobile vehicle intended for transmission of one whole image to a driver

Garanin G.V., Zotov I.B.


The classification scheme for systems transmitting one whole image to a driver by means of rear-view mirrors mounted on a mobile vehicle. Their strengths and weaknesses of these systems are described, their assessment principles are developed.
Tractors and Agricultural Machinery. 2014;(7):36-37
pages 36-37 views

Optimal performance of soil cultivating units

Blednykh V.V., Svechnikov P.G.


It is found that optimal performance of soil cultivating units exists, wherein tillage costs are minimum. The simplified model of technological operation costs is considered. Dependence of optimal performance on specific conditions of agricultural production is shown.
Tractors and Agricultural Machinery. 2014;(7):37-38
pages 37-38 views

Wear of all-metal and compound ploughshares

Mikhalchenkov A.M., Kozarez I.V., Mikhalchenkova M.A.


It is found that service life of Russian-manufactured ploughshares is determined by ray-shaped wear and abrasion of a deepening part of plough-point, but service life of imported components is determined by wear of cutting-blade parts of the frame. Some kinds of one-sided chisels wear can be repaired and do not cause their rejection.
Tractors and Agricultural Machinery. 2014;(7):39-43
pages 39-43 views

Estimation of fuel quality indices based on the investigation of its tribochemical processes and properties

Kerimov M.A., Safiullin R.N., Marusin A.V.


To improve of motor vehicle reliability and increase its service life by means of high-quality fuel supply, universal method of quality rating of fuel during formation of fuel physical-and-chemical properties directly on engine is developed. Results of investigation representing data collection concerning values of dielectric constant for fuels of different physical-and-chemical compositions at different frequencies are given. These data can be used for optimization of engine control systems using a certain brand of fuel.
Tractors and Agricultural Machinery. 2014;(7):44-47
pages 44-47 views

Technological and engineering solutions for the improvement of grain crops harvesting

Goltyapin V.Y.


Current trends of improvement of technologies and engineering means for grain crops harvesting are considered. Design features of proposed engineering solutions are described.
Tractors and Agricultural Machinery. 2014;(7):48-52
pages 48-52 views

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