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(三) 道岔养护维修 道岔养护必须贯彻“预防为主,预防与整治相结合”的原则。如上所述,由于道岔构造的特点,即使严格按标准进行养护,尚且存在促使道岔状态变化的各种附加力,养护不良将更加恶化道岔工作条件。因此,道岔养护必须从构造入手,提高道岔的稳定性,解决好道岔的平顺性。并采取措施减小各种附加力,使机
(C) turnout maintenance Turnout maintenance must implement the “prevention first, prevention and remediation combination” principle. As mentioned above, due to the characteristics of the switch structure, even if strictly according to the standard maintenance, there are still a variety of additional forces to promote changes in the state of the switch, poor maintenance will worsen the working conditions of the switch. Therefore, the maintenance of turnout must start from the structure, improve the stability of turnout and solve the problem of turnout smoothness. And take measures to reduce various additional forces to make the machine