对几种无机房电梯紧急操作装置安全性的分析  

The Security Analysis of Emergency Operating Device of Several Roomless Elevators

作　　者：曹巍 

机构地区：[1]湖南省特种设备检验检测研究院张家界分院,湖南张家界427000

出　　处：《机电工程技术》2012年第12期93-96,共4页Mechanical & Electrical Engineering Technology

摘　　要：无机房电梯的应用越来越广泛,着重分析了三种常见的无机房电梯紧急操作装置的安全性,比较了各自的优缺点,并对紧急操作时无法通过轿厢和对重两侧重量差来移动轿厢的情况提出了处理办法。Roomless elevator has been widely applied,this paper not only has made a analysis in emergency operating device of three common roomless elevator,and comparison in their advantages and disadvantages,but also has proposed solutions which can solve this situation,which the elevator car can’t be moved only by the weight difference between Car and Weight block.

关 键 词：无机房电梯 永磁同步 封星 感应电流 相反电势系数 

分 类 号：TU976.3[建筑科学]