Research Article
Vibration Test and Shock Absorption of Coal Crusher Chambers in Thermal Power Plants (II): Numerical Analysis
Table 10
Positions of spring vibration isolators in model.
| Spring vibration isolators | Original model | The model with an eccentricity of 5% | The model with an eccentricity of 10% | X | Y | X | Y | X | Y |
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.48 | 0 | 0 | 0 | 0 | 0 | 3 | 0.96 | 0 | 0.48 | 0 | 0.48 | 0 | 4 | 1.44 | 0 | 0.96 | 0 | 0.96 | 0 | 5 | 1.92 | 0 | 1.44 | 0 | 1.44 | 0 | 6 | 2.4 | 0 | 1.92 | 0 | 1.92 | 0 | 7 | 0 | 3.585 | 0 | 3.585 | 0 | 3.585 | 8 | 0.48 | 3.585 | 0.48 | 3.585 | 0 | 3.585 | 9 | 0.96 | 3.585 | 0.96 | 3.585 | 0.48 | 3.585 | 10 | 1.44 | 3.585 | 1.44 | 3.585 | 0.96 | 3.585 | 11 | 1.92 | 3.585 | 1.92 | 3.585 | 1.44 | 3.585 | 12 | 2.4 | 3.585 | 2.4 | 3.585 | 1.92 | 3.585 | 13 | 0 | 4.335 | 0 | 4.335 | 0 | 4.335 | 14 | 0 | 5.085 | 0 | 5.085 | 0 | 5.085 | 15 | 0 | 6.085 | 0 | 6.085 | 0 | 6.085 | 16 | 0 | 7.085 | 0 | 7.085 | 0 | 7.085 | 17 | 2.4 | 4.335 | 2.4 | 4.335 | 2.4 | 4.335 | 18 | 2.4 | 5.085 | 2.4 | 5.085 | 2.4 | 5.085 | 19 | 2.4 | 6.085 | 2.4 | 6.085 | 2.4 | 6.085 | 20 | 2.4 | 7.085 | 2.4 | 7.085 | 2.4 | 7.085 | Center of rigidity | 1.2 | — | 1.08 | — | 0.96 | — | Center of mass | 1.2 | — | 1.2 | — | 1.2 | — | Relative error | 0% | — | 5% | — | 10% | — |
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