<pre><span style="font-size:small;"><span lang="EN-US"><span style="font-family:Arial;">1.SL-120</span></span><span style="font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;">型弹性扳道器（简称：扳道器）是一种手动转换道岔的设备。</span></span></pre><pre><span style="font-size:small;"><span lang="EN-US"><span style="font-family:Arial;">2.</span></span><span style="font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;">它以弹簧的张力来实现道岔转换到定反位，并将其保持在定反位的功能。</span></span></pre><pre><span style="font-size:small;"><span lang="EN-US"><span style="font-family:Arial;">3.</span></span><span style="font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;">适用于容易发生</span><span lang="EN-US"><span style="font-family:Arial;">“</span></span><span style="font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;">挤岔故障</span><span lang="EN-US"><span style="font-family:Arial;">”</span></span><span style="font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;">情况下的道岔，一旦挤岔不会损坏设备。</span></span></pre><pre><span style="font-size:small;"><span lang="EN-US"><span style="font-family:Arial;">4.</span></span><span style="font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;">它将可以锁闭轴内穿入底座上的锁闭孔内并加上锁头，使道岔锁定在定反位状态，以利于行车过岔安全。</span></span></pre>