SPRING SHIFTING DEVICE Russian patent published in 2003 - IPC

FIELD: mechanical engineering. SUBSTANCE: invention relates to devices aimed at providing translational movement of parts and it can be used for shifting spring with measuring probe along space of tube of steam generator. Said device contains feed wheel and part to be shifted in form of spring, both being in contact through their sides, and stop with pressure mechanism arranged over spring. Ring groove is made of side surface of feed wheel. Peripheral part of groove is formed by side surfaces of truncated cones pointed to each other by smaller bases. Pitch of teeth is equal to diameter of wire forming the part to be shifted. Systems of teeth are displaced relative to each other through angle. EFFECT: prevention of slipping of contacting parts in operation of device, improved efficiency in operation. 6 cl, 5 dwg