ROLLING BEARING INCLUDING VIBRATION DETECTION DEVICE AND STATE DETECTION DEVICE

• Main Authors: YOKOUCHI ATSUSHI, INABA TAKENOBU, HOKAO MICHITA
• Format: Patent
• Language: English; Japanese
• Published: 22.12.2016
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEASURING; MECHANICAL ENGINEERING; PHYSICS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; THERMAL INSULATION IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a rolling bearing including a vibration detection device and a state detection device capable of detecting failure of a bearing in advance with high accuracy.SOLUTION: A rolling bearing has an inner ring, an outer ring, a plurality of rolling elements disposed between the inner ring and the outer ring, a through hole formed on the outer ring and extended in a radial direction of the outer ring, a tubular member mounted in the through hole at one end, a vibration detection device mounted on the tubular member or the outer ring, and a state detection device mounted on a housing accommodating the outer ring at the other end side of the tubular member and detecting gas generated in the tubular member.SELECTED DRAWING: Figure 1 【課題】軸受の故障を未然に精度良く検出できる、振動検出装置と状態検出装置を備えた転がり軸受を提供する。【解決手段】転がり軸受は、内輪と、外輪と、前記内輪と前記外輪との間に設けられた複数の転動体と、前記外輪に形成され該外輪の径方向に伸びた貫通穴と、該貫通穴に一端が取付けられた管状部材と、該管状部材または前記外輪に取付けられた振動検出装置と、前記管状部材の他端側において前記外輪を収容するハウジングに取付けられ、該管状部材内に発生したガスを検知する状態検出装置とを有する。【選択図】図１