无机房电梯近几年快速发展。目前广泛应用于住宅、办公、商业、交通、厂矿等各个部门,由于其自身结构与有机房电梯存在着较大差异,因此出现紧急情况时,如何安全、方便地进行救援是影响无机房电梯可行性的关键因素之一。无机房电梯分为液压电梯和曳引式无机房电梯两种,其中液压电梯一旦出现故障,可以采用放油的方法使轿箱 No machine room elevator rapid development in recent years. Currently widely used in various departments such as housing, office, commerce, transportation, factories and mines. Due to the big difference between its own structure and elevator in the machine room, how to rescue safely and conveniently in the event of an emergency is the effect that the elevator without machine room is feasible One of the key factors of sex. Machine roomless elevator is divided into two types of hydraulic elevators and traction type machine roomless elevator, hydraulic elevator in the event of failure, you can use the method of putting the car so that the car