Abstract : the drilling wire rope of a rig ' s hoisting system suddenly brokeduring drilling process , cause serious damage of equipment.
文摘：钻机提升系统的钻井钢丝绳在油田钻井过程中突然断裂，造成设备顿钻事故。
The drilling wire rope of a rig's hoisting system suddenly broke during drilling process, cause serious damage of equipment.
钻机提升系统的钻井钢丝绳在油田钻井过程中突然断裂，造成设备顿钻事故。
A wire rope rotating joint is introduced to solve hoisting rope twisting phenomenon.
针对起重机的起升绳旋转现象，引入旋转接头以解决钢丝绳旋转问题。
Pillar jib cranes to use more electric chain hoist hoisting mechanism and operating as a body, less use of wire rope electric hoist 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。
To introduce the variety of coal mining and hoisting production, the use situation of wire rope for mining and hoisting.
介绍煤炭采提生产的种类、采提用钢丝绳使用现状。
To introduce the variety of coal mining and hoisting production, the use situation of wire rope for mining and hoisting.
介绍煤炭采提生产的种类、采提用钢丝绳使用现状。
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