DEVICE TO TIGHTEN TERMINAL BOLT NUTS OF INTERMEDIATE RAIL JUNCTION

摘要

FIELD: mechanics. ^ SUBSTANCE: proposed device comprises nut runners mounted on table furnished with box wrenches comprising vertical rollers and nut position testing elements. The frame of every nut runner has rotary lever with its lower end accommodating truss cams arranged on both sides of the rail head, along its neck. The cam bearing part length corresponds to the size of the terminal arranged along the rails, while its width in plan corresponds to the size between terminal gasket pressed to rim inner side and the rail neck. ^ EFFECT: tightening terminal bolt nuts along with terminal gasket pressed against rim inner surface. ^ 5 dwg