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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">agronauka</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука Евро-Северо-Востока</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Science Euro-North-East</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9081</issn><issn pub-type="epub">2500-1396</issn><publisher><publisher-name>FARC North-East</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30766/2072-9081.2023.24.3.498-509</article-id><article-id custom-type="elpub" pub-id-type="custom">agronauka-1376</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ. МЕХАНИЗАЦИЯ, ЭЛЕКТРИФИКАЦИЯ, АВТОМАТИЗАЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANIZATION, ELECTRIFICATION, AUTOMATION</subject></subj-group></article-categories><title-group><article-title>Разработка и создание ходовых систем сельскохозяйственных тракторов со сменной полугусеницей</article-title><trans-title-group xml:lang="en"><trans-title>Design and development of undercarriage systems for agricultural tractors with replaceable half-tracks</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1665-3730</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Годжаев</surname><given-names>З. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Godzhaev</surname><given-names>Z. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Годжаев Захид Адыгезал оглы, доктор техн. наук, профессор, член-корреспондент РАН</p><p>1-й Институтский проезд, д. 5, г. Москва, Российская Федерация, 109428</p></bio><bio xml:lang="en"><p>Zakhid A. Godzhaev, DSc in Engineering, Сorresponding member of RAS, professor</p><p>1st Institutskiy proezd, 5, Moscow, Russian Federation, 109428 </p></bio><email xlink:type="simple">fic51@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6942-5950</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овчинников</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovchinnikov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овчинников Евгений Валентинович, научный сотрудник</p><p>1-й Институтский проезд, д. 5, г. Москва, Российская Федерация, 109428</p></bio><bio xml:lang="en"><p> Evgeniy V. Ovchinnikov, researcher </p><p>1st Institutskiy proezd, 5, Moscow, Russian Federation, 109428</p></bio><email xlink:type="simple">vim@vim.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1407-6757</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овчаренко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovcharenko</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овчаренко Александр Сергеевич, ведущий инженер, </p><p>1-й Институтский проезд, д. 5, г. Москва, Российская Федерация, 109428</p></bio><bio xml:lang="en"><p> Alexander S. Ovcharenko, lead engineer </p><p>1st Institutskiy proezd, 5, Moscow, Russian Federation, 109428</p></bio><email xlink:type="simple">vim@vim.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Федеральный научный агроинженерный центр ВИМ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Scientific Agroengineering Center VIM</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2023</year></pub-date><volume>24</volume><issue>3</issue><fpage>498</fpage><lpage>509</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Годжаев З.А., Овчинников Е.В., Овчаренко А.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Годжаев З.А., Овчинников Е.В., Овчаренко А.С.</copyright-holder><copyright-holder xml:lang="en">Godzhaev Z.A., Ovchinnikov E.V., Ovcharenko A.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.agronauka-sv.ru/jour/article/view/1376">https://www.agronauka-sv.ru/jour/article/view/1376</self-uri><abstract><p>Обоснована потребность в необходимости применения подобных движителей в мобильных энергетических средствах сельского хозяйства. Показана актуальность данной разработки исходя из мировых тенденций. Цель исследований – разработка конструкции, оценка напряженно-деформированного состояния и функциональных характеристик ходовых систем сельскохозяйственных тракторов со сменной полугусеницей. Разработана и изготовлена опытная конструкция сменной (съемной) гусеничной ходовой системы (СГХС), выполнено моделирование нагрузочных режимов, проведены расчеты методом конечных элементов напряженно-деформированного состояния элементов конструкции по 6 нагрузочным схемам – стоянка трактора на ровной горизонтальной поверхности; движение с максимальной силой тяги; стоянка поперек уклона в 30° для верхней гусеницы; стоянка поперек уклона в 30° для нижней гусеницы; заезд на препятствие с отклонением СГХС на 15°; проезд препятствия с опорой на центральные катки. По результатам расчетов определено, что выбранный конструкционный материал при вышеназванных режимах нагружения обеспечивает работоспособность СГХС. Проведены расчеты по проверке адекватности разработанной математической модели при испытаниях на опытных полях ФГБНУ ФНАЦ ВИМ. Определено, что, максимальное напряженно-деформированное состояние конструкции рамы СГХС, при всех видах нагружения не превысило 100 МПа. Это обеспечивает двукратный запас прочности по текучести конструкции с учетом характеристик выбранного материала. В максимально нагруженном состоянии – стоянка поперек уклона 30° – наибольшее напряжение на верхней гусенице составляет 161 МПа, что соответствует запасу прочности 1,45. Деформация подшипникового узла составила не более 4 мм, что допускается конструкцией узла привода и гусеницы.</p></abstract><trans-abstract xml:lang="en"><p>The need to use such propulsion devices in mobile agricultural power units is substantiated. The relevance of this development based on global trends is shown. The purpose of the research is to develop the design, to evaluate strain-stress state and functional characteristics of undercarriages of agricultural tractors with replaceable half-tracks. An experimental design of the replaceable tracked undercarriage was developed and manufactured, modeling of loading modes was performed, calculations were carried out by the finite element method of the stress-strain state of structural elements according to 6 load schemes – tractor parking on a flat horizontal surface; movement with maximum traction force; parking across a 30° slope for the upper track; parking across a 30° slope for the lower caterpillar; driving into an obstacle with a deviation of 15°; driving over obstacles based on the central rollers. It was determined that the selected structural material, by the above mentioned loading modes ensure the operability of replaceable tracked undercarriage. Calculations were carried out to check the adequacy of the developed mathematical model using field tests in testing ground of FSAC VIM. It was determined that the maximum stress-strain state of the frame structure of a replaceable tracked undercarriage for all types of loading did not exceed 100 MPa. This provides a two-fold margin of safety in terms of fluidity of the structure, taking into account the characteristics of the selected material. In the maximum loaded state - parking across a slope of 30° - the highest stress on the upper track is 161 MPa, which corresponds to a safety margin of 1.45. The deformation of the bearing assembly was no more than 4 mm, which is allowed by the design of the drive assembly and the caterpillar.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сменные гусеницы</kwd><kwd>метод конечных элементов</kwd><kwd>напряженно-деформированное состояние</kwd><kwd>давление на почву</kwd><kwd>мобильные энергосредства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>replaceable tracks</kwd><kwd>finite element method</kwd><kwd>stress-strain state</kwd><kwd>soil pressure</kwd><kwd>mobile power units</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">работа выполнена при поддержке Минобрнауки РФ в рамках Государственного задания ФГБНУ ФНАЦ ВИМ (НИОКР «10.9.03. Разработка системы универсальных мобильных энергетических и транспортно-технологических комплексов для сельскохозяйственного производства»).</funding-statement><funding-statement xml:lang="en">the research was carried out under the support of the Ministry of Science and Higher Education of the Russian Federation within the state assignment of the Federal Scientific Agroengineering Center VIM (theme № 10.9.03.)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Fashutdinov M., Khafizov K., Galiev I., Gabdrafikov F., Khaliullin F. Research of dynamics of turning of machine-tractor aggregate with tractor on wheeled-crawler mover. BIO Web of Conferences. 2020;17:00056. DOI: https://doi.org/10.1051/bioconf/20201700056</mixed-citation><mixed-citation xml:lang="en">Fashutdinov M., Khafizov K., Galiev I., Gabdrafikov F., Khaliullin F. 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