MACHINE-TOOL OF PORTAL TYPE FOR WHEEL PAIR TREATMENT Russian patent published in 1994 - IPC

FIELD: railway rolling stock. SUBSTANCE: distinguishing feature of the proposed design lies in the equipment of the machine-tool with frame 7 fixed between the means for shaving removal. Lifting device, rails 13 for the wheel pair, shield with the drive of its turn and wheel pair pusher with a drive 17 of its own are located on frame 7. The lifting device is made as traverse 19 to which cantilever beam 20 to support the reduction gear cantilever of the wheel pair during its lift to the line of machine-tool centers and guides 22 passing through frame 7 and rigidly connected with drive 23, are fastened. Drive 23 of the lifting device comprises two ball-type nuts mounted on the plate on which guides 22 are located. Each ball-type nut is placed on the fixed screw of its own. One end of the screw is rigidly connected with frame 7. There is a possibility of adjusting the lifting device in dependence of the track width of the wheel pair. EFFECT: simpler design. 3 cl, 5 dwg