Tool for testing service life of traction motor bearing of high-speed train
The invention discloses a high-speed train traction motor bearing life test tool, which comprises a core shaft, a tested sleeve and an accompanying sleeve are arranged on the core shaft, a tested bearing is arranged between the tested sleeve and the core shaft, an accompanying bearing is arranged be...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a high-speed train traction motor bearing life test tool, which comprises a core shaft, a tested sleeve and an accompanying sleeve are arranged on the core shaft, a tested bearing is arranged between the tested sleeve and the core shaft, an accompanying bearing is arranged between the accompanying sleeve and the core shaft, a tool sleeve is arranged between the tested sleeve and the accompanying sleeve, and the tool sleeve is arranged between the tested sleeve and the accompanying sleeve. The tool sleeve is arranged on the mandrel in a sleeving mode, a tool cavity is formed between the inner circumferential wall of the tool sleeve and the outer circumferential wall of the mandrel, and the mandrel is provided with a detection piece used for detecting the vibration frequency and amplitude of the mandrel and a radial loading piece used for applying radial loading torque to the mandrel. The initial end of the mandrel is provided with an axial loading piece used for applying axial loading t |
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