'Axle box positioning device'

'Axle box positioning device' knowledge - 2020 02 - 20 definition: 1, the emu bogie of axle box positioning device to limit the relative movement between the wheel and frame. 2, the emu bogie in axle box positioning device is the activity of linked frame and wheel for 'joint'. 3, high-speed bogie in axle box positioning way is mainly divided into: ( 1) Drum set way layer rubber spring positioning; （ 2) Plate ( Supporting plate) Positioning; （ 3) Rod type ( Shaft beam) Positioning; （ 4) Jib type. 4, the emu bogie axle box positioning device characteristics: to facilitate the choice of the axle box positioning stiffness, can run both high-speed stability, comfort and curve through performance; The light implementation. Parts number is less; Facilitate the axle box positioning device of decomposition and assembly; Non-slip part, maintenance free. Also: a suspension type CRH1A emu with jib type axle box positioning way. CRH380A all type emu suspension using one jib type axle box positioning way. Type CRH380B emu a suspension made jib type axle box positioning way. A suspension type CRH5 emu bogie is the double axle box positioning method used lever type axle box positioning. CRH380A series of emu axle box spring installed between the axle box and bogie frame. Coil spring set of vertical force. CRH380A series type emu axle box spring installed in the axle box body upper part. It includes a coil spring group ( Is composed of inner and outer ring spring) , spring seat ( Up, down) , rubber, insulation. It is a double lap spiral spring, internal and external spring rotate to the opposite.