FIELD: railway construction. SUBSTANCE: driving equipment for making holes and installation in them of supports of machine for setting contact system supports along railway track is mounted on guide frame and two drive grips spaced along it. One of grips is installed on this frame for moving along it by drive, and the other grip is rigidly connected to it. Removable drilling auger is connected with its rotary drive locked in grip. EFFECT: higher efficiency. 4 cl, 8 dwg
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