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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.31897/pmi.2020.2.234</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13316</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13316</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Электромеханика и машиностроение</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Electromechanics and mechanical engineering</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">“Ural-20R” combines loading drives evaluation in two-stage development of the face</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Оценка нагруженности приводов комбайнов «Урал-20Р» при двухстадийной разработке забоя</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Shishlyannikov</surname>
            <given-names>Dmitriy I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Шишлянников</surname>
              <given-names>Д. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Shishlyannikov</surname>
              <given-names>Dmitriy I.</given-names>
            </name>
          </name-alternatives>
          <email>dish844@gmail.com</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Пермский национальный исследовательский политехнический университет (Пермь, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Perm National Research Polytechnic University (Perm, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Trifanov</surname>
            <given-names>Mikhail G.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Трифанов</surname>
              <given-names>М. Г.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Trifanov</surname>
              <given-names>Mikhail G.</given-names>
            </name>
          </name-alternatives>
          <email>mec@pstu.ru</email>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Пермский национальный исследовательский политехнический университет (Пермь, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Perm National Research Polytechnic University (Perm, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Trifanov</surname>
            <given-names>Gennadiy D.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Трифанов</surname>
              <given-names>Г. Д.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Trifanov</surname>
              <given-names>Gennadiy D.</given-names>
            </name>
          </name-alternatives>
          <email>kanat@pstu.ru</email>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Пермский национальный исследовательский политехнический университет (Пермь, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Perm National Research Polytechnic University (Perm, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2020-04-24">
        <day>24</day>
        <month>04</month>
        <year>2020</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2020</year>
      </pub-date>
      <volume>242</volume>
      <fpage>234</fpage>
      <lpage>241</lpage>
      <history>
        <date date-type="received" iso-8601-date="2019-07-22">
          <day>22</day>
          <month>07</month>
          <year>2019</year>
        </date>
        <date date-type="accepted" iso-8601-date="2020-01-04">
          <day>04</day>
          <month>01</month>
          <year>2020</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2020-04-24">
          <day>24</day>
          <month>04</month>
          <year>2020</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2020 Д. И. Шишлянников, М. Г. Трифанов, Г. Д. Трифанов</copyright-statement>
        <copyright-statement xml:lang="en">© 2020 Dmitriy I. Shishlyannikov, Mikhail G. Trifanov, Gennadiy D. Trifanov</copyright-statement>
        <copyright-year>2020</copyright-year>
        <copyright-holder xml:lang="ru">Д. И. Шишлянников, М. Г. Трифанов, Г. Д. Трифанов</copyright-holder>
        <copyright-holder xml:lang="en">Dmitriy I. Shishlyannikov, Mikhail G. Trifanov, Gennadiy D. Trifanov</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/13316">https://pmi.spmi.ru/pmi/article/view/13316</self-uri>
      <abstract xml:lang="ru">
        <p>Описаны технологические особенности использования высокопроизводительных комбайнов «Урал-20Р» в условиях калийных рудников России. Показано, что при мощности отрабатываемых калийных пластов свыше 4 м используется двухслойная выемка руды. Подрубка пласта, реализуемая вторым ходом комбайна в очистной камере, осуществляется неполным сечением исполнительных органов. Штатная система управления, индикации и защит комбайна «Урал-20Р» не позволяет контролировать и осуществлять достоверную оценку величины динамических составляющих нагрузок на приводы выемочной машины, а также отслеживать скорость подачи комбайна на забой. Регулирование параметров работы и оценка степени нагруженности приводов выемочной машины в режиме реального времени возложены на оператора. Изложены основы методики проведения экспериментальных исследований по оценке нагруженности приводов комбайнов «Урал-20Р» при разрушении калийного массива неполным сечением исполнительных органов. Описано устройство и порядок работы программно-регистрирующего комплекса «Ватур», реализующего измерение, регистрацию и запись электрических параметров приводных двигателей выемочной машины. Приведены результаты исследований процесса формирования нагрузок на элементы приводов комбайнов «Урал-20Р» при отработке забоя неполным сечением исполнительных органов. Доказано, что работа комбайнов на подрубке пласта с большой скоростью подачи сопровождается значительными динамическими нагрузками на приводы планетарных органов и перегрузкой приводов бермовых органов, что приводит к ускоренному расходу ресурса и аварийным отказам редукторов и электродвигателей выемочной машины.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The technological features of the use of high-performance Ural-20R combines in the conditions of potash mines in Russia are described. It is shown that when the capacity of the worked potash seams is over 4 m, a two-layer ore extraction is used. The formation of cutting process, implemented by the second course of the combine in the treatment chamber, is carried out by an incomplete section of the executive bodies. The standard control system, display and protection of the Ural-20R combine does not allow monitoring and reliable estimation of the magnitude of dynamic components on the drives of the mining machine loads, as well as tracking the feed rate of the combine to the face. The regulation of the operating parameters and the assessment of the degree of loading of the drives of the excavating machine in real time are assigned to the operator. The fundamentals of the experimental research methodology for assessing the loading of drives of Ural-20R combines with the destruction of the potash mass by an incomplete section of the executive bodies are described. The device and the operating procedure of the “Vatur” software-recording complex, which measures, records and records the electrical parameters of the drive motors of a mining machine, is described. The process studies results of forming loads on drive elements of Ural-20R combines when mining a face with an incomplete section of executive bodies are presented. It is proved that the work of combine harvesters on the undercut of the formation with a high feed rate is accompanied by significant dynamic loads on the drives of planetary organs and an overload of the drives of the Berm organs, which leads to an accelerated consumption of the resource and emergency failures of the gearboxes and motors of the extraction machine.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>комбайн «Урал-20Р»</kwd>
        <kwd>нагруженность</kwd>
        <kwd>привод</kwd>
        <kwd>режим работы</kwd>
        <kwd>добыча калийно-магниевых руд.</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>“Ural-20R” combine</kwd>
        <kwd>loading</kwd>
        <kwd>drive unit</kwd>
        <kwd>mode of operation</kwd>
        <kwd>potash and magnesium ore mining</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
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