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1. In the research of phase information of rotary mechanism, comparatively phase is extracted from multiple frequency phase as diagnosing feature.

2. The paper analyses each parts of rotary mechanism of rotary drill rig.

3. A rotary mechanism for multi-angle skip bucket of dump truck is designed. Goods is lifted and dumped by hydraulic system in the dump track.

3. Wish you can benefit from sentencedict.com and make progress everyday!

4. The rotary mechanism is simulated with the establishment of a test device. Model parameters of rotary system of the pile drill are recognized with auxiliary variable algorithm.

5. The new device uses a rotary mechanism similar to ball joint to eliminate the unscrewing torque caused by the reciprocating motion of the rod string.

6. This analytical method can be used for reference in the vibration test of similar rotary mechanism.

7. It is proved that comparatively phase can get effect in differentiating fault classes of rotary mechanism.

8. To differentiate different faults occurred in rolling bearing of rotary mechanism, Pre-processed vibration signal by wavelet analysis, then fault diagnosis through neural networks (NNs) be done.

9. Therefore, it is necessary to carry on the intensity examination to the rotary mechanism preliminary design, make structure improvement and conduct optimization design for the intensity weak region.

10. The shell is in a cylinder shape integrally, the upper end of the shell is provided with a round barrelhead, and the rotary mechanism is arranged at the center position at the bottom of the shell.

11. It is proved that comparatively phase can get good effect in differentiating fault classes of rotary mechanism.

12. The structural characteristic and operating principles of KD type hydraulic tap hill drill with folding rotary mechanism are introduced.