DHK ElectricChainHoist is a small light lifting equipment.
DHK环链电动葫芦是一种轻小型起重设备。
2
Pillar jib cranes to use more electricchainhoist hoisting mechanism and operating as a body, less use of wire rope electrichoist and chain hoist.
柱式悬臂起重机多采用环链电动葫芦作为起升机构和运行机构，较少采用钢丝绳电动葫芦和手拉葫芦。
3
The paper introduces the main performance indexes of double speed three phase asynchronous motor used in electricchainhoist and the problems which occor in the test and manufacture process.