本文简要地分析了缺口偏移超限的原因;指出按照常规的维修方式,无法及时地发现缺口变化。为此,介绍了一套经过实际运用考核的电动转辙机缺口偏移自动监测报警系统。详细地叙述了该系统的功能、系统的构成、以及主要检测装置的结构和原理。 This article briefly analyzes the reasons for the notched offset and indicates that the gap can not be found in a timely manner according to the conventional maintenance methods. To this end, introduced a set of practical assessment of the electric gap automatic offset point alarm monitoring system. Described in detail the function of the system, the system structure, as well as the structure and principle of the main testing device.