露天钻机

论文对露天旋转钻机在几种不同工况下的底架的应力和应变幅值进行了计算分析。

This thesis calculates stress and strain amplitude of the open-air rotary drilling rigs in several different conditions .

露天矿钻机司机室空气质量调控装置研究

Study of control device for air quality of driver 's cab in drilling machine of an open pit

CS-165E露天潜孔钻机采用SPT-K-2024控制器作为电液控制系统的核心部件，由SPT-K-2024控制器直接驱动电液比例阀和电磁阀，接受传感器信号；

In the case of Model CS-165E DTH drill for opencast mining , SPT-K-2024 controller was used as key component of electric-hydraulic control system . SPT-K-2024 controller directly drives electric-hydraulic proportional valve and solenoid valve and receives signals from sensors .

露天矿山牙轮钻机主参数确定探讨

The discussion on the confirmation of main parameters for roller in open-pit mine

对KQG-150型露天高效潜孔钻机的性能参数、结构特点做了介绍。

The performances parameter and features of KQG-150 surface down-hole drill are de-scribed in this paper .