AXLE BOX DEVICE WITH TEMPERATURE SENSOR UNIT AND TEMPERATURE DETECTION DEVICE OF CARRIAGE FOR RAILWAY VEHICLE

• Main Authors: KAMURA KEIICHIRO, SATO YOSHI, MITSUE MASAYUKI, NISHIMURA TAKEHIRO
• Format: Patent
• Language: English; Japanese
• Published: 13.04.2017
• 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; MECHANICAL ENGINEERING; OTHER AUXILIARY EQUIPMENT FOR RAILWAYS; PERFORMING OPERATIONS; RAILWAYS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

PROBLEM TO BE SOLVED: To accurately detect the temperature of an outer ring of a bearing stored in an axle box of a carriage for a railway vehicle, and prevent damage to a temperature sensor.SOLUTION: An axle box device with a temperature sensor unit of a carriage for a railway vehicle includes: an axle box in which a bearing for supporting an axle is stored; a temperature sensor unit attached to the axle box for detecting the temperature of an outer ring of the bearing; and an elastic body for energizing the temperature sensor unit in a direction that the temperature sensor unit presses the outer ring. The elastic body is configured so as to be elastically deformed following the displacement of the temperature sensor unit around a rotation axis of the bearing.SELECTED DRAWING: Figure 2 【課題】鉄道車両用台車の軸箱に収容された軸受の外輪の温度を正確に検出でき、温度センサの損傷も防止できるようにする。【解決手段】鉄道車両用台車の温度センサユニット付き軸箱装置は、車軸を支持する軸受が収容される軸箱と、前記軸箱に取り付けられ、前記軸受の外輪の温度を検出する温度センサユニットと、前記温度センサユニットが前記外輪を押圧する向きに前記温度センサユニットを付勢する弾性体と、を備え、前記弾性体は、前記軸受の回転軸線周りの前記温度センサユニットの変位に追従して弾性変形可能に構成される。【選択図】図２