论文部分内容阅读
地铁终点折返道岔在所有道岔设备中使用频率最高、发生故障率最高。上海地铁运营线路中部分终点折返道岔主要常见病害表现为尖轨侧磨致尖轨尖剥落掉块、滑床板(垫板)断裂、尖轨不密贴、支撑块碎裂等,根据病害原因总结关于折返岔区道岔的养修标准和方法,对提高设备使用寿命和安全系数,具有重要意义。
Subway turn-back turnout switch equipment in all the highest frequency of use, the highest failure rate. The main common diseases of the turn-off turnout in the terminal of Shanghai Metro are as follows: the tip of the sharp rail side is peeled off, the slide plate (plate) is broken, the sharp rails are not close to each other, and the support block is fragmented. According to the reason of the disease Concerning the maintenance standards and methods for turnout in turnout area, it is of great significance to improve equipment service life and safety factor.