我院设计的外锁闭道岔系统荣获全国第四届优秀工程标准设计金奖。

External-locked switch system designed by our institute won the standard design gold medal of the Fourth National Excellent Projects.

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其基本功能是转换道岔，锁闭道岔和反映道岔位置和状态。

Its basic function is to convert turnout, turnout and reflect the turnout locked position and status.

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提出临界速度分析法和分路道岔预锁闭的概念，并建立了数学模型。

It puts forward a model and the concepts of critical speed analytical method and the advance locking, finding an advanced method in order to prevent the back side conflict in continuous humping.

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