Table 7 Vibration displacements of critical shearer components at different traction speeds obtained from the simulation and test.
From: Dynamical Behavior of Coal Shearer Traction-swing Coupling under Corrected Loads
v m/min | 1.5 | Relative error | 2 | Relative error | 2.5 | Relative error | 3 | Relative error | 3.5 | Relative error | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Haulage unit/mm | Simulation value | 1.87 | 3.61% | 2.11 | 8.66% | 2.21 | 7.53% | 3.14 | 3.98% | 3.47 | 1.14% |
Test results | 1.94 | 2.31 | 2.39 | 3.27 | 3.51 | ||||||
Walking unit/mm | Simulation value | 2.13 | 7.93% | 2.27 | 7.72% | 4.26 | 8.97% | 5.83 | 3.00% | 5.94 | 6.16% |
Test results | 2.30 | 2.46 | 4.68 | 6.01 | 6.33 | ||||||
Supporting unit/mm | Simulation value | 1.97 | 9.63% | 2.16 | 7.69% | 2.14 | 9.70% | 3.25 | 4.97% | 4.22 | 3.43% |
Test results | 2.18 | 2.34 | 2.37 | 3.42 | 4.37 | ||||||
Body/mm | Simulation value | 0.24 | 4.00% | 0.35 | 10.26% | 0.38 | 5.00% | 1.07 | 3.60% | 1.26 | 8.70% |
Test results | 0.25 | 0.39 | 0.40 | 1.11 | 1.38 | ||||||
