To provide a side beam of a bogie frame for a railway vehicle allowing weight saving while securing rigidity against bending stress.SOLUTION: A side beam (30) of a bogie frame for a railway vehicle is provided with a body (31) and spring caps (32, 33). The body (31) extends in a front/rear direction of the railway vehicle and has a closed section. The body (31) includes a top plate part, a bottom plate part opposite to the top plate part, and a first side plate part and a second side plate part connecting the top plate part and the bottom plate part. The spring caps (32, 33) are connected to a front end (311) and a rear end (312) of the body (31), respectively. The first side plate part is divided to an upper side of the first side plate part connected to the top plate part and a lower side of the first side plate part connected to the bottom plate part. Thickness of the lower side of the first side plate part is thicker than thickness of the upper side of the first side plate part. The second side plate part is divided to an upper side of the second side plate part connected to the top plate part and a lower side of the second side plate part connected to the bottom plate part. Thickness of the lower side of the second side plate part is thicker than thickness of the upper side of the second side plate part.SELECTED DRAWING: Figure 3
【課題】曲げ応力に対する剛性を確保しつつ、軽量化を図ることのできる鉄道車両用の台車枠の側ばりを提供する。【解決手段】鉄道車両用の台車枠の側ばり(30)は、本体(31)と、ばね帽(32,33)と、を備える。本体(31)は、鉄道車両の前後方向に延び、閉断面を有する。本体(31)は、天板部と、天板部に対向する底板部と、天板部と底板部とをつなぐ第1側板部及び第2側板部と、を含む。ばね帽(32,33)は、本体(31)の前端(311)及び後端(312)にそれぞれ接続される。第1側板部は、天板部につながる上側第1側板部、及び底板部につながる下側第1側板部に区分される。下側第1側板部の厚みは、上側第1側板部の厚みより大きい。第2側板部は、天板部につながる上側第2側板部、及び底板部につながる下側第2側板部に区分される。下側第2側板部の厚みは、上側第2側板部の厚みより大きい。【選択図】図3
SIDE BEAM OF BOGIE FRAME FOR RAILWAY VEHICLE
鉄道車両用の台車枠の側ばり
2024-10-07
Patent
Electronic Resource
Japanese
IPC: | B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES |