DEVICE FOR BRINGING MEASURING HEAD TO OPERATING POSITION Russian patent published in 2000 - IPC

FIELD: mechanical engineering. SUBSTANCE: device has body and turning platform with axle secured on it by means of two cover-plates. Axle rests on bearings positioned in body. Plunger hydraulic cylinder with return spring is arranged in recess of body. Adjustable stop is screwed into threaded hole of body. Novelty in device is in that groove is made in body along axis of hydraulic cylinder recess, and plunger is provided with lateral hole receives pin passing through groove. Two ends of pin are fitted with rollers arranged with their external surface in recesses made in cover-plates of turning platform. Return spring is positioned in hole provided along plunger axis. Hydraulic cylinder may be provided with built-in throttle and check valve for braking at and of travel. It may also be made double-sided without return spring. Pins with rollers may be positioned in cover-plate of turning platform, and recesses for arrangement of rollers may be made on plunger. Ball bearings or rectangular slide blocks may be used instead of rollers. EFFECT: reduced wear of parts, enhanced accuracy. 4 cl, 8 dwg