Basic structure,principle and features of hydrostatic transmission are expounded and its application in under ground trackless vehicles is introduced in this paper.

• 介绍了地下矿山无轨车辆静压传动的基本结构和工作原理，阐述了静压传动系统的特点，对于静压传动在地下矿山无轨车辆上的应用也做了说明。