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data-srcset="http://www.u-transmission.com/wp-content/uploads/2025/08/linhuashuangpaiqiu1-307x204.jpg 307w, http://www.u-transmission.com/wp-content/uploads/2025/08/linhuashuangpaiqiu1-400x266.jpg 400w" data-sizes="(max-width: 307px) 100vw, 307px" /> </a><div> <strong><a href="http://www.u-transmission.com/latest-products/3805.html" target="_blank" >重型自动化旋转设备专用回转驱动解决方案</a></strong><p>针对重型自动化旋转设备的特殊工况需求，不二传动凭借深厚的非标设计经验，量身打造了一款高性能回转驱动产品，完美平衡了空...</p> <a id="casebtn" target="_blank" href="http://www.u-transmission.com/latest-products/3805.html">查看详细说明</a> <a class="contact_btn"  target="_blank"  href="http://www.u-transmission.com/contact-us">联系咨询</a></div></li></ul></div></div> <script>$(window).scroll(function () {$(".donghuaopen #caseshows_38").caseshow();});</script> </div><div class="right_mian" style="float: left;"><div class="title_page"><h1>回转驱动常用的两种花键类型介绍</h1></div><div class="des_page"><p class="infot"><em>发布时间：2022/06/07</em> <em> <a href="http://www.u-transmission.com/news">企业新闻</a> </em> <em></em><em>浏览次数：7147 </em></p></div><div class="enter "><p>洛阳不二传动设备设计生产的齿轮式<a href="http://www.u-transmission.com" target="_blank" rel="noopener">回转驱动</a>和蜗轮蜗杆回转驱动都属于支撑类旋转减速机构，在这类旋转机构的输入端（小齿轮和蜗杆）一般都是通过键槽来传递动力。根据用户需求，小齿轮和蜗杆上的键槽可以是单独的键，也可以是花键。</p><p>&nbsp;</p><p><noscript><img class="aligncenter size-full wp-image-2481" src="http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline.jpg" alt="回转驱动齿轮键槽" width="800" height="600" srcset="http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline-300x225.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline-768x576.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline-533x400.jpg 533w" sizes="(max-width: 800px) 100vw, 800px" /></noscript><img class="lazyload aligncenter size-full wp-image-2481" src='data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20800%20600%22%3E%3C/svg%3E' data-src="http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline.jpg" alt="回转驱动齿轮键槽" width="800" height="600" data-srcset="http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline-300x225.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline-768x576.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2022/06/slewingdrivespline-533x400.jpg 533w" data-sizes="(max-width: 800px) 100vw, 800px" /></p><p>&nbsp;</p><p>键在工业上的定义一般为：轴上的一系列突起中的任何一个，这些突起与对应轴上的槽相配合，使两者能够一起旋转。键用在机械驱动系统，它存在于我们每天都能看到的各类旋转机构中，任何将旋转运动从输入传输到输出的设备最有可能使用某种类型的键。</p><p>&nbsp;</p><p>花键是键的一种，通常是在圆周上具有等距齿的轴，这些齿通常平行于轴的旋转轴线。这些齿可以是直边或渐开线形。外花键轴与内花键配合，内花键具有槽或空间，花键轴的旋转被传递到内花键构件，从而带动机构旋转。这种旋转的传输比为 1:1。</p><p>&nbsp;</p><p>花键相比独键来说有很多好处：花键连接沿齿的侧面提供均匀分布的载荷，这种共享负载可以延长花键和键槽的使用寿命；不同类型的花键齿形可以提供更强大的驱动、滑动能力、旋转同心度的传递。不二传动的工程师将会在本文中介绍回转驱动常用的两种花键类型。</p><p>&nbsp;</p><p>回转驱动常用下面两种花键：</p><p>&nbsp;</p><p>1、平行键花键</p><p>&nbsp;</p><p>这种类型的花键具有相等距离的直边齿，轴上的齿在从旋转轴线径向向外测量的任何点处具有相等的齿厚。键槽内部具有相应平行的直边空间。这种类型的花键类似于键槽驱动，不同之处在于键与轴成一体并在圆周上等距分布。引导特征可以是轴的外径和内花键的大直径或内花键的内径和轴的小直径。</p><p><noscript><img class="aligncenter size-full wp-image-2482" src="http://www.u-transmission.com/wp-content/uploads/2022/06/splines.jpg" alt="平行花键" width="800" height="533" srcset="http://www.u-transmission.com/wp-content/uploads/2022/06/splines.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-300x200.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-768x512.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-307x204.jpg 307w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-400x266.jpg 400w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-600x400.jpg 600w" sizes="(max-width: 800px) 100vw, 800px" /></noscript><img class="lazyload aligncenter size-full wp-image-2482" src='data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20800%20533%22%3E%3C/svg%3E' data-src="http://www.u-transmission.com/wp-content/uploads/2022/06/splines.jpg" alt="平行花键" width="800" height="533" data-srcset="http://www.u-transmission.com/wp-content/uploads/2022/06/splines.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-300x200.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-768x512.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-307x204.jpg 307w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-400x266.jpg 400w, http://www.u-transmission.com/wp-content/uploads/2022/06/splines-600x400.jpg 600w" data-sizes="(max-width: 800px) 100vw, 800px" /></p><p>&nbsp;</p><p>2、渐开线花键</p><p>&nbsp;</p><p>这种类型的花键同样具有等距齿，但它们不是直边。齿具有渐开线形式，就像齿轮的齿一样。齿的比例与齿轮齿不同，而且它们的高度较短。这种截断的高度与渐开线形式的侧面相结合提供了更大的强度。渐开线花键有几种类型：平根侧配合、圆角根侧配合和大直径配合。</p><p>&nbsp;</p><p><noscript><img class="aligncenter size-full wp-image-2483" src="http://www.u-transmission.com/wp-content/uploads/2022/06/spline.jpg" alt="渐开线花键" width="800" height="410" srcset="http://www.u-transmission.com/wp-content/uploads/2022/06/spline.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2022/06/spline-300x154.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2022/06/spline-768x394.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2022/06/spline-610x313.jpg 610w" sizes="(max-width: 800px) 100vw, 800px" /></noscript><img class="lazyload aligncenter size-full wp-image-2483" src='data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20800%20410%22%3E%3C/svg%3E' data-src="http://www.u-transmission.com/wp-content/uploads/2022/06/spline.jpg" alt="渐开线花键" width="800" height="410" data-srcset="http://www.u-transmission.com/wp-content/uploads/2022/06/spline.jpg 800w, http://www.u-transmission.com/wp-content/uploads/2022/06/spline-300x154.jpg 300w, http://www.u-transmission.com/wp-content/uploads/2022/06/spline-768x394.jpg 768w, http://www.u-transmission.com/wp-content/uploads/2022/06/spline-610x313.jpg 610w" data-sizes="(max-width: 800px) 100vw, 800px" /></p><p>&nbsp;</p><p>平齿根侧配合比圆角齿根花键具有稍大的小直径和较小的大直径。齿侧或间隙与相应的小直径或大直径之间的过渡区域呈现出比圆角齿根花键更小的圆角半径。当需求强度和使用寿命不是特别重要时，可以使用这类花键。</p><p>&nbsp;</p><p>圆角根侧配合花键在两个机构的齿之间的次摆线区域中呈现全半径。这个完整的半径与相邻齿的渐开线侧相切，提供最大的强度。</p><p>&nbsp;</p><p>大直径配合花键具有严格控制的外径和大直径。大直径处的紧密配合提供了从轴到内花键的同心度转移。外花键齿的尖端通常被倒角以允许在齿的侧面与内花键空间中的大直径之间的过渡区域中的圆角半径有间隙。</p><div class="bqc"><div class="next_post"><p>上一篇: <a href="http://www.u-transmission.com/news/2619.html" rel="next">浅析影响齿轮式回转驱动传动效率的因素</a></p><p>下一篇: <a href="http://www.u-transmission.com/news/2368.html" rel="prev">回转驱动装置应该如何维护保养？</a></p></div></div></div><div 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