CONTACT WIRE SUSPENSION (VERSIONS) Russian patent published in 2004 - IPC

FIELD: railway transport; electrified railways. SUBSTANCE: invention relates to overhead contact lines of contact system. According to first design version, device includes flexible dropper, clamp in form of spring clamp with grips and pressing element. Spring clamp is made contracting in direction of grips, and pressing element is essentially washer made for travel along outer surface of spring clamp, and flexible dropper supports washer from below inside spring clamp. According to second design version, device includes flexible dropper, clamp in form of spring clamp with grips and pressing element. Spring clamp is made contracting in direction of grips and pressing element is part of flexible dropper formed into coil with possibility of movement along outer surface of spring clamp. According to both first and second versions, contraction of spring clamp towards grips is from one to ten degrees. EFFECT: improved reliability of fastening of dropper to contact wire owing to provision of self- tightening under action of wire mass and impact loads in service. 3 cl, 2 dwg