Research Article
Hierarchical Modeling and Dynamic Analysis of Hoist System in Electric Mining Shovel
Table 3
Coupling stiffness of hoist system in EMS.
| | Coupling stiffness | x direction (N/m) | y direction (N/m) | z direction (N/m) | Rotational (N·m/rad) |
| | Coupling, motor-gear | — | — | — | 6 × 108 | | Bolt, reducer shell-ground | 8 × 109 | 8 × 109 | 8 × 109 | — | | Bolt, gear-drum | — | 1 × 1010 | 5 × 1010 | 2 × 109 | | Bering, gear-reducer shell | 1 × 1010 | 1 × 1010 | 5 × 1010 | — | | Bering, drum-reducer shell | 1 × 1010 | 1 × 1010 | 5 × 1010 | — | | Bering, drum-ground | 1 × 1010 | 1 × 1010 | 5 × 1010 | — |
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