Aerospace bearing with detachable multi-sealing protection

Abstract

The invention provides an aerospace bearing with a detachable multi-sealing protection, which comprises an outer ring, an inner ring, a rolling body and dustproof sealing assemblies, wherein the rolling body is arranged between the outer ring and the inner ring, the dustproof sealing assemblies are connected with the inner wall of the outer ring and the outer wall of the inner ring in an interference fit mode respectively, and at least one dustproof sealing assembly is arranged in a gap between the outer ring and the inner ring. The bearing provided by the invention provides a special sealing structure with a simple structure aiming at a precision bearing for aerospace, particularly a double-row self-aligning bearing with a rod end for a maneuvering system and a control system of an aircraft, has a better sealing effect, can meet the requirements of harsh conditions of aerospace, the dustproof sealing assemblies are buckled between the outer ring and the inner ring, the dustproof sealing assemblies, the outer ring and the inner ring form a sealing structure in interference fit, the design is reasonable, installation is convenient and fast, the multiple layers of dustproof sealing assemblies can be stacked according to needs, the sealing and dustproof effect is improved, and it is ensured that the aerospace bearing passes an aerospace-level sand dust test and a mould test.

Description

technical field [0001] The invention belongs to the field of aerospace accessories, in particular to an aerospace bearing with detachable multiple sealing protections. Background technique [0002] With the vigorous development of my country's aerospace industry, aerospace precision bearings play a pivotal role as mechanical joints. It is widely used in the field of aircraft control system and control system. [0003] The sealing performance of the bearing is an important index to evaluate the performance of the bearing, and it is also an important factor in determining the accuracy, performance and life of the bearing. As a key component of aircraft control, precision bearings for aerospace use have the characteristics of small clearance, high precision for cleanliness, and strict requirements for dustproof and sealing performance of bearings. The conventional sealing structure is difficult to meet the sealing requirements, it is difficult to pass the harsh assessment req...

AI Technical Summary

Problems solved by technology

The conventional sealing structure is difficult to meet the sealing requirements, it is difficult to pass the harsh assessment requirements of specific conditions such as dust test and mold test, or the structure is too complicated to meet the requirements of lightweight, and the structure is more complicated, the cost is higher, and the manufacturing is more difficult. Big

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