| 1. | The improvement of ky - 150 type rotary drill travel unit
150型牙轮钻机行走部改造 |
| 2. | Speed regulating of gear wheel rigs by frequency conversion
牙轮钻机变频调速 |
| 3. | The personal computer control system for roller drill
牙轮钻机微机控制系统 |
| 4. | Industrial test method of open - cut mine rotary blast hole drill
露天矿用牙轮钻机和旋转钻机工业试验方法 |
| 5. | Development and application of track shoe tensioner of toothed roller - bit drill
牙轮钻机履带板调紧器的研制与应用 |
| 6. | Application of hall sensor in speed - regulation system of rotary three - cone bit drill
霍尔传感器在牙轮钻机调速系统中的应用 |
| 7. | Analysis assembly fault and kinematics simulation for main reducer of blasthole drills
牙轮钻机主机构减速机的装配故障分析与运动仿真 |
| 8. | A new type rod damping stabilizer for rotary drills ispresented . it can increase the service life of rotary bit by about 27 % and its own life is over ten thousand meters . as a result , good econom ic benefit can be obtained
介绍了牙轮钻机用的一种新型减振稳杆器，提高牙轮钻头使用寿命27 %左右，其本身使用寿命超万米，获得了良好的经济效益。 |
