STATE MONITORING DEVICE FOR ROTARY MACHINE

PROBLEM TO BE SOLVED: To accurately detect occurrence of misalignment.SOLUTION: A state monitoring device 80 comprises a light projecting part 83, a light receiving part 86, a mirror 85, a rotation detection plate 84 and a monitoring part 88. The light projecting part 83 and the light receiving part...

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Bibliographische Detailangaben
Hauptverfasser: TAKEUCHI AKITOSHI, KOYAMACHI KAZUTERU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To accurately detect occurrence of misalignment.SOLUTION: A state monitoring device 80 comprises a light projecting part 83, a light receiving part 86, a mirror 85, a rotation detection plate 84 and a monitoring part 88. The light projecting part 83 and the light receiving part 86 are fixed at a non-rotation portion of a speed-increasing gear 40. The mirror 85 reflects light from the light projecting part 83 toward the light receiving part 86. The rotation detection plate 84 is attached to an input shaft 61. The rotation detection plate 84 rotates together with the input shaft 61 when the input shaft 61 rotates and repeats the state in which light from the light projecting part 83 is reflected toward the light receiving part 86 by the mirror 85 and the state in which light from the light projecting part 83 is not reflected toward the light receiving part 86 by the mirror 85.SELECTED DRAWING: Figure 3 【課題】ミスアライメントの発生を正確に検出する。【解決手段】状態監視装置80は、投光部83と、受光部86と、ミラー85と、回転検出板84と、監視部88とを含む。投光部83および受光部86は、増速機40の非回転部分に固定される。ミラー85は、投光部83からの光を受光部86に向けて反射する。回転検出板84は、入力軸61に取り付けられている。回転検出板84は、入力軸61が回転すると、入力軸61と共に回転し、投光部83からの光がミラー85によって受光部86に向けて反射される状態と、投光部83からの光がミラー85によって受光部86に向けて反射されない状態とを繰り返すように構成される。【選択図】図3