Rotating electric machine, method of fastening a rolling bearing retainer ring, and rolling bearing retainer ring

By combining guided engagement and pressure engagement devices, screwless installation of rolling bearing retaining rings is achieved, solving the problem of long assembly time for rotating motors, simplifying the installation process, and adapting to rolling bearings of different sizes.

CN112953091BActive Publication Date: 2026-07-17WEG ELECTRONIC EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WEG ELECTRONIC EQUIP CO LTD
Filing Date
2019-12-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the current assembly process of rotary motors, the rolling bearings need to be secured with screws, which results in long operation time and inconvenience in matching with rolling bearings of different sizes.

Method used

By employing a rolling bearing retaining ring, and through the cooperation of a guide engagement device and a pressure engagement device with the corresponding engagement device of the housing, screwless installation is achieved, simplifying the installation process and making it suitable for rolling bearings of different sizes.

Benefits of technology

It reduces the assembly time of rotary motors, improves the ease and safety of installation, and adapts to the needs of rolling bearings of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a rotating electrical machine having a rolling bearing retainer ring (5) fastening system comprising: a rolling bearing retainer ring (5) comprising a main body portion (8) having a bore (8a) for the passage of a machine shaft (7), the main body portion comprising at least one guide engagement means (9) and at least one pressure engagement means (10); and a retainer ring receiving portion formed at one end of a housing (1a), the retainer ring receiving portion comprising at least one guide engagement means (11) configured to receive a corresponding guide engagement means (9) of the rolling bearing retainer ring (5) and at least one pressure engagement means (12) configured to receive a corresponding pressure engagement means (10) of the rolling bearing retainer ring (5).
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