Scientific Journal of KubSAU

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

Yarovoy Viktor Grigorevich

Scholastic degree


Academic rank

Honorary rank

Organization, job position

Azov-Black Sea Engineering Institute
   

Web site url

Email

izmelikov@yandex.ru


Articles count: 1

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THE CHARACTER OF DEFLECTION OF THE OVERSIZE TIRES WITH LOW PRESSURE IN TRACTOR PROPULSION UNITS OF CLASS 5

abstract 1321708098 issue 132 pp. 1231 – 1242 31.10.2017 ru 124
The aim of the article has been the study of deflection laws in tractor oversize low-pressure tires, intended for class 5 tractor propulsion. The research method was experimental. The "tire tester" and specially designed devices for determining the deflections of the inner and outer tube relative to the rim in the circumferential, radial and collateral directions have been used in it. A number of factors determine outcome indices of the wheel with pneumatic tyre. Among them the ability of the tire to deform so that at low - hysteresis losses in the rubber-cord casing and admissible stresses in it, based on resource, the largest area of contact with the supporting base has been created. This circumstance is of particular importance in the development of tractor tires of low pressure, deflection characteristics of which are poorly studied at present. Analysis of experimental studies showed the necessity of the feasibility of creating the tire with the cord orientation in its casing so that in the zone of perception of the vertical and longitudinal forces the cord threads would work in a mode close to the extension, but in the area of contact it would work in bending. These requirements will best meet the tire in which the cord threads are parallelly located in adjacent layers and directed at a predetermined angle in the direction of effect of the axial forces on the wheel in oncoming fibers
.