Experimental Research on the Specific Energy Consumption of Rock Breakage Using Different Waterjet-Assisted Cutting Heads

Figure 1

Transmission system of the test bed for rock cutting. (a) Front view. (b) Lateral view. 1: cutting motor; 2: coupler I; 3: torque sensor; 4: coupler II; 5: gearbox I; 6: bearing block I; 7: eddy current sensor; 8: cutting shaft; 9: cutting head; 10: oil pressure sensor; 11: hydraulic motor; 12: coupler III; 13: gearbox II; 14: coupler IV; 15: bearing block II; 16: bearing block III; 17: traction platform; 18: driving gear; 19: seal device; 20: water pressure sensor; 21: displacement sensor.