speed electric hoist的意思|示意

MD1 model electric hoist with two lifting speed - normal speed and slow.

MD 1型电动葫芦具有两种起升速度——常速和慢速。

The paper introduces the main performance indexes of double speed three phase asynchronous motor used in electric chain hoist and the problems which occor in the test and manufacture process.

本文介绍了电动环链葫芦用三相双速异步电动机的主要性能指标以及在试制过程中遇到的问题。

Such hoists change the power frequency through transducer and the lifting speed and the traveling speed to make the electric hoist travel more smoothly and more accurately.

变频功能型电动葫芦利用变频器使电源频率发生变化，实现电动葫芦起升机构和运行机构的变速，使电动葫芦运行更平稳、定位更准确。

This paper briefly introduces the electric control system of mine hoist, such as electric transmission way, speed giving circuit, fault detection etc.

文中对矿井提升机的电控系统，诸如电气传动方案、速度给定电路、故障监测及安全回路等问题进行了简要介绍。