All-ceramic knuckle bearing for high temperature, easy corrosion and easy oxidation working environment

Abstract

The invention provides an all-ceramic knuckle bearing for a high temperature, easy corrosion and easy oxidation environment. The all-ceramic knuckle bearing mainly comprises an inner ring and an outerring, the inner ring and the outer ring are made of zirconia, alumina or silicon carbide ceramic materials, and are assembled into a whole through a corresponding assembly technology; the inner sideof the outer ring is provided with an inner arc surface, the inner ring is provided with an outer arc surface, the width dimension of the inner ring is larger than 3-5 mm of the width dimension of theouter ring, and the movable swing angle of the inner ring is 0-21 degrees. According to the all-ceramic knuckle bearing, the knuckle bearing is manufactured by adopting the ceramic material, the ceramic material has the characteristics of high temperature resistance, corrosion resistance, high hardness, no magnetism permeability, wear resistance and self-lubricating property, the structure of theknuckle bearing can be optimized, a lubricating groove is not need to form, the strength and the application range of the knuckle bearing are improved, and a foundation is laid for application of complex environments such as high temperature and easy corrosion of the knuckle bearing.

Description

technical field [0001] The invention relates to the field of bearings, in particular to an all-ceramic joint bearing used in high-temperature, easily-corroded, and easily-oxidized environments. Background technique [0002] Spherical joint bearing is a special bearing with simple structure, strong impact resistance, and self-aligning effect for swinging motion. It is widely used in automobiles, ships, aerospace and other fields. In recent years, with the rapid development of my country's shipbuilding industry and aerospace industry, joint bearings have been used more and more in some aircraft and ships, but ordinary metal joint bearings have many defects. Due to the corrosion resistance and oxidation resistance of metal materials The ability is weak, and it is difficult to guarantee the effective working life under the high temperature working environment. All of these restrict the application of metal joint bearings. Ceramic materials have excellent wear resistance, corros...

AI Technical Summary

Problems solved by technology

In recent years, with the rapid development of my country's shipbuilding industry and aerospace industry, joint bearings have been used more and more in some aircraft and ships, but ordinary metal joint bearings have many defects. Due to the corrosion resistance and oxidation resistance of metal materials Weak capacity, and it is difficult to guarantee effective working life under high temperature working environment

These restrict the application of metal joint bearings

Images