LUBRICATING STRUCTURE OF BEARING

• Main Authors: MATSUOKA KOICHI, KIKAWA SADAYUKI, KITAMURA MINORU, HIBINO SUMIKO, NAGAYAMA TAKASHI
• Format: Patent
• Language: English
• Published: 16.05.2013
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a lubricating structure of a bearing for preventing occurrence of wear (fretting) to be caused as an inlet of a cylinder part makes contact with a peripheral face of a piston part due to swinging of a tip end of the piston part.SOLUTION: The lubricating structure of a bearing includes: two filling chambers disposed an outside of a machine and an inside thereof to clip the bearing and filled with grease G inside; and a movable part 19 provided movably in one of filling chambers in which the grease G is fluidized; and a fluid pressure cylinder part 21 in which driving force is generated by fluid pressure of grease Gfor operation to drive the movable part 19 by transmitting the driving force to the movable part 19. A piston part 21c of the fluid pressure cylinder part 21 is pushed out by pressure of the grease Gfor operation supplied in a state of forwardly pushed out the stroke, and the center of gravity of a column made by the piston part 21c which is pushed out is in the cylinder part 21b or the vicinity of an inlet part 21b1 of the cylinder part 21b.