| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to structural elements of freight car bogies. In compliance with first version, wearproof bridge plate has sides and bottom wall with wearproof strap with bottom working surface is attached thereto from below to interact with bogie axle box. Bridge plate bottom wall has top working surface for interaction with bogie side frame bearing surface. Every side has retainer flexing towards bridge plate centre to interact with side frame oval window surface. Note here that said opening has rounded edges. Every retainer is composed by cut-out in the side. Retainer bottom side has line of its flexure towards second side. Every retainer has at least one conical part to interact with rounded edge of side frame opening at retainer working position. Retainer conical edge is inclined to bridge plate vertical axis and to said working surfaces. In compliance with another version, bridge plate every side has the opening to receive the brace rod.EFFECT: better locking of bridge plate between side frame and bogie axle box.2 cl, 5 dwg |
