安全乘坐电梯与应急自救处理，培训必备
安全乘坐电梯与应急自救处理01正确使用电梯02常见的电梯故障03应急自救04电梯基本知识CONTENTS01电梯基本知识引言›电梯，自19世纪被发明以来改善了人类生活条件，提高了工作质量，可以说给人类带来了诸多便利。可同时也给人类带来了风险甚至是灾难。北京地铁4号线动物园站电梯事故上海电梯事故电梯基本知识原理：曳引绳两端分别连着轿厢和对重，缠绕在曳引轮和导向轮上，曳引电动机通过减速器变速后带动曳引轮转动，靠曳引绳与曳引轮摩擦产生的牵引力，实现轿厢和对重的升降运动，达到运输目的。电梯：一种以电动机为动力的垂直升降机，装有箱状吊舱，用于多层建筑乘人或载运货物。也有台阶式，踏步板装在履带上连续运行，...
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