Fault Diagnosis Research on Impact System of Hydraulic Rock Drill Based on Internal Mechanism Testing Method

<div>Impact and reversing mechanism principle. 1: computer; 2: data acquisition system; 3: signal amplifier; 4: punching cylinder; 5: drill rod; 6: hydraulic rock drill; 7: propulsion cylinder; 8: hydraulic pumping station.</div>

Shock and Vibration

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Figure 3

Figure 3: Fault Diagnosis Research on Impact System of Hydraulic Rock Drill Based on Internal Mechanism Testing Method 