LYZ－XD12型单臂液压凿岩钻车的研制

LYZ-XD12 Single-Boom Hydraulic Rock Drilling Jumbo

摘要:

介绍了ＬＹＺ－ＸＤ１２型单臂液压钻车的主要构造，阐述了该钻车工作机构“双三角”变幅钻臂和双层伸缩式推进器的原理和结构，以及该钻车的液压系统。

Abstract:

he main structure of YZ-XD12 single-boom hydraulic drilling jumbo is introduced' ThePrinciple and structure of its operating mechanisms -drilling boom with range -- changing"double triangle"and dual telescopic propeller are described as well as the hydraulic system.