Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Name

Kravchenko Vladimir Alekseevich

Scholastic degree


Academic rank

professor

Honorary rank

Organization, job position

Don state agrarian University
   

Web site url

Email


Articles count: 16

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2373 kb

THE RATIONALE OF THE RIGID CHARACTERISTICPARAMETERS OF THE COMBINE HARVESTERS OF HIGH PERFORMANCE

abstract 1521908022 issue 152 pp. 257 – 274 31.10.2019 ru 70
The purpose of the study was to substantiate the rigid parameters of tyres in propulsion units for the combine harvesters of high performance. A research method is analytical with the use of a mathematical model of the combine harvester in which damping and rigidity of the drive axle tyres in circumferential and radial directions are taken into account. Values of the rational rigid characteristics of the pneumatic tyre have been generally determined by the ability of the tyre to be deformed so that to reduce the angular, vertical and horizontal skeleton oscillations of a combine harvester to ensure the high-quality technological process of the threshing and harvesting. The specified circumstance gains the special importance at the development and introduction of the new tyre modes for the combine harvesters of high performance. The analysis of the conducted analytical researches has been showed the expediency of using the threads of a cord in the propulsion unit of combine harvesters instead of diagonal or radial tyres of the same standard size with an original position of them. The offered pneumatic tyre of 30.5E-32 used as the leading one, and promotes the reduction of the angular oscillation amplitude and operating speed of a combine and also angular and vertical accelerations up to 1.42 times
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THE RESULTS OF MACHINE-TRACTOR UNIT’S TESTS ON THE BASIS OF A 1,4 TRACTOR HAVING A ROTARY MASS OF THE ENGINE

abstract 0991405015 issue 99 pp. 223 – 233 30.05.2014 ru 1282
The article contains the results of machine-tractor unit’s researches on the basis of a class 1,4 tractor having a variable rotary mass of the engine. It is concluded that the use of additional rotary mass being linked at corresponding regimes of motion to the engine’s shaft or primary transmission shaft at the tractor furthers the improvement of operation indexes of a machine-tractor unit
.