一种关节轴承及其制造方法

By setting double-loop lubrication grooves and lubrication guide grooves on the inner and outer rings of the spherical plain bearing, and by using phosphating treatment and molybdenum disulfide coating, the problems of severe wear and complex processing are solved, better lubricity and wear resistance are achieved, service life is extended and the disassembly and assembly process is simplified.

CN117780784BActive Publication Date: 2026-07-17XINCHANG JINHUI JOINT BEARING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XINCHANG JINHUI JOINT BEARING CO LTD
Filing Date
2023-12-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing spherical plain bearings suffer from severe wear on the contact surfaces of the inner and outer rings due to structural design defects, resulting in short service life and complex and costly manufacturing processes.

Method used

The inner and outer rings are designed with double-loop lubrication grooves and lubrication guide grooves on their inner walls, respectively. They are treated with phosphating and molybdenum disulfide coating, combined with arc-shaped contact surfaces and rounded chamfers, to simplify the processing and improve lubricity and wear resistance.

Benefits of technology

It improves the lubricity and load-bearing capacity of bearings, reduces stress concentration, extends service life, and facilitates disassembly and assembly, while reducing processing difficulty and cost.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117780784B_ABST
    Figure CN117780784B_ABST
Patent Text Reader

Abstract

本发明公开了一种关节轴承及其制造方法,包括一外圈,外圈内设有内腔;和一内圈,内圈装配于内腔中实现转动;内腔的内壁上设有双回环润滑槽,外圈的外圆周侧面上设有润滑导油槽,润滑导油槽通过注油孔连通双回环润滑槽。其制造方法包括:内圈加工、外圈加工和轴承装配。本发明不仅可以使轴承具有更好的润滑,提高承载能力和可靠性,而且可以有效减小应力集中,延长使用寿命,同时便于拆装。
Need to check novelty before this filing date? Find Prior Art