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{block name="title"}火车轮子有轴承吗-丫丫百科{/block}
{block name='description'}火车车轮本身没有轴承，两个车轮通过一根车轴组成一个轮对，轮对又分主动轮对和从动轮对，主动轮对的车轴上安装有驱动装置，驱动装置外壳和车轴通过若干轴承连接为一体，以保证驱动装置内的传动齿轮带动车轴上的齿轮转动，从而驱动火车前进；而从动轮对的车轴上没有驱动装置，也就没必要安装轴承了，这根车轴也叫光轴。
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{block name='keywords'}火车轮子有轴承吗,侃汽车,丫丫百科{/block}

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<div class="qa_posi"><div class="c_center">您的位置：<a href="//www.tianyaya.cn">丫丫百科</a> > <a href="//www.tianyaya.cn/tuwen/qiche/">侃汽车</a> > <a href="https://www.tianyaya.cn/tuwen/5887571947719204516.html">火车轮子有轴承吗</a></div></div>
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            <h1 class="tit" style="text-align: center;font-size: 28px;margin-top: 15px"><span>火车轮子有轴承吗</span></h1>
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                <span>时间：2023-03-14</span>
                <span>来源：互联网公开数据整理或转载</span>
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                <p>火车车轮本身没有轴承，两个车轮通过一根车轴组成一个轮对，轮对又分主动轮对和从动轮对，主动轮对的车轴上安装有驱动装置，驱动装置外壳和车轴通过若干轴承连接为一体，以保证驱动装置内的传动齿轮带动车轴上的齿轮转动，从而驱动火车前进；而从动轮对的车轴上没有驱动装置，也就没必要安装轴承了，这根车轴也叫光轴。</p><p>光轴</p><p>当然有。</p><p>可以降低摩擦</p>            </div>
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