No 11 (2014)

Articles

Investigation of diesel engine operation on diesel fuel and soybean oil mixtures

Markov V.A., Devyanin S.N., Neverov V.A.

Abstract

Specific features of application of biofuels with soybean oil in diesel engines are considered. Results of experimental research of Д-245.12С vehicle diesel engine operating on diesel fuel and soybean oil mixtures are given. Dependence of fuel economy and exhaust gases toxicity characteristics on mixed biofuel composition is shown.
Tractors and Agricultural Machinery. 2014;(11):3-9
pages 3-9 views

Design and technological features of three-dimensional systems of frame-panel construction of tractors and cars

Zagarin D.A., Dzotsenidze T.D., Kozlovskaya M.A.

Abstract

Main features of tractor and vehicle cabs production based on three-dimensional systems of frame-panel construction in the form of supporting frame with composite or polymeric hinged panels are analyzed. The examples of constructed prototypes of tractors and vehicles (part of them is brought to serial production) are given.
Tractors and Agricultural Machinery. 2014;(11):10-14
pages 10-14 views

Inverter of grain layer for chamber louver-type grain dryers

Chumakov V.G., Zhanakhov A.S., Sukhanov A.V., Kabakov A.V.

Abstract

Disadvantages of grain dryers are indicated. The method for elimination of the disadvantages by means of grain layer inverter installation is proposed. Description of the inverter and results of researches of grain drying process in chamber louver-type grain dryer with inversion and without inversion of grain layers are given.
Tractors and Agricultural Machinery. 2014;(11):14-16
pages 14-16 views

Prospects of dynamic oscillations absorbers using in suspensions of tractor cabs

Pobedin A.V., Shekhovtsov V.V., Lyashenko M.V., Sokolov-Dobrev N.S., Shekhovtsov K.V., Godzhayev Z.A.

Abstract

Results of prospects investigation of dynamic oscillations absorbers using in suspensions of tractor cabs are described. Design of dynamic absorber is developed and patented. On the basis of calculation and experimental research, it is shown that in practice under all modes of moving of tractor unit, the cab springing system with dynamic absorbers ensures the best protection of operator position against vibration in comparison to systems with serial rubber vibration isolators.
Tractors and Agricultural Machinery. 2014;(11):16-21
pages 16-21 views

Calculation algorithm of piston engine indices at the design stage

Gavrilov A.A., Gots A.N.

Abstract

The paper analyzes the influence of such indices as current cylinder capacity, working body mass during gas exchange, supply of heat emitted during fuel combustion and heat exchange with walls within cylinder on pressure quantity in the cylinder. Structure of the new calculation formula for time of mixture combustion delay is developed.
Tractors and Agricultural Machinery. 2014;(11):21-24
pages 21-24 views

Improvement of tricycles stability calculation

Mamiti G.I., Pliyev S.K., Tedeyev V.B.

Abstract

The paper deals with improvement of previously developed calculation methods for criteria of static (critical angles of sliding and roll-over) and dynamic (critical speeds of beginning of skidding and beginning of roll-over on corner) tricycles stability.
Tractors and Agricultural Machinery. 2014;(11):25-29
pages 25-29 views

Indices for efficiency estimation of energy transfer and conversion by transmission and mover of wheeled vehicle

Lepeshkin A.V.

Abstract

Known energy efficiency indices of wheeled vehicles are analyzed, new indices having distinct advantages compared to known ones are proposed. The advantages are unambiguity of physics of proposed indices, their informativity and usability in the solution of problems of optimization and designing of “smart” transmissions of multi-drive wheeled vehicles.
Tractors and Agricultural Machinery. 2014;(11):29-35
pages 29-35 views

Selection of rational parameters of electromechanical transmissions of tracked vehicles

Yagubov V.F., Strelkov A.G., Kotrovskiy A.A.

Abstract

Data obtained from an experimental research of electric drive with molecular energy storage permits to conclude that using of the capacitive storage as a part of electromechanical transmission is appropriate. Proposals concerning organization of automated system of motion control for a tracked vehicle equipped with electromechanical transmission using molecular energy storage are developed.
Tractors and Agricultural Machinery. 2014;(11):36-39
pages 36-39 views

Optimization of grain mass threshing regimes in stationary conditions

Polyakov G.N., Shukhanov S.N., Boloyev P.A.

Abstract

It is shown that automatic control system of grain mass threshing used in field or in stationary conditions will decrease rack, sieve and cylinder losses of grain, will ensure stable operation of suction conveyor.
Tractors and Agricultural Machinery. 2014;(11):40-42
pages 40-42 views

Experimental method for determination of systematic errors of power characteristics measurement of working organs of tillage tools

Myalenko V.I.

Abstract

The method for determination of systematic errors during dynamometry of different working organs of tillage tools is proposed.
Tractors and Agricultural Machinery. 2014;(11):42-44
pages 42-44 views

Machines’ engine imbalance control

Abu-Nidzhim R.K.

Abstract

Dependence of intra-cyclic acceleration of crankshaft rotation under steady-state mode on disbalance of engine is revealed. On basis of this dependence, the method for estimation of imbalance of machine engine without disassembling is developed.
Tractors and Agricultural Machinery. 2014;(11):45-46
pages 45-46 views

The 65th anniversary of legendary ДТ-54 tractor

Kosenko V.V.

Abstract

The article is dedicated to 65th anniversary of production start-up of widely known ДТ-54 tractor. Principal stages of its improvement and modernization are given.
Tractors and Agricultural Machinery. 2014;(11):47-52
pages 47-52 views

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