本机设有断绳保险机构和主保险定位机构及液压锁，保证使用安全，平衡可靠。

This auto lift has breaking rope safety device, main safety location device and hydraulic lock, All these things guarantee safe and stable operation.

youdao

抽绳桶锁封闭系统。

Drawstring with barrel lock closure system.

youdao

摘要介绍1种直重机械中的无限行程单卷盘回转型绳槽耦合式负载自锁制动提升机的设计思想、工作原理和结构形式。

This paper presents design thinking, operation and structure of a load self - locked brake type elevator which features endless stroke, single sheave and rope - groove friction.

youdao