Quick mounting tool for double-lip sealing element

By designing a quick installation tool for double-lip seals for high-speed wire finishing mills, the gap between the inner and outer pressure rings is used to fix the seal ring position, and the compaction installation of the seal is quickly completed through the tapping action of the tapping end, the problems of low installation efficiency and poor sealing effect of double-lip seals are solved, and efficient and safe seal installation and extended service life are achieved.

CN222627611UActive Publication Date: 2025-03-18FANGDA SPECIAL STEEL TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202420602540.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-03-18
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

In the roller shaft oil film bearings of high-speed wire finishing mills, the installation efficiency of double-lip seals is low and requires manual installation, which can easily damage the seal and affect the sealing effect and service life.

Method used

A quick installation tool for double-lip seals is designed, including the tool body being cylindrical, with the position ring, inner pressure ring and outer pressure ring set inside the tapping end, the seal ring position is fixed through the gap between the inner pressure ring and the outer pressure ring, and the compaction installation of the seal is quickly completed through the tapping action of the tapping end.

Benefits of technology

While ensuring that the seal is not damaged, this tool significantly improves installation efficiency, improves seal quality and service life, increases installation efficiency by more than three times, and doubles service life.

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Abstract

A tool body is cylindrical, one end of the tool body is a knocking end, a positioning ring is arranged in the knocking end, an outer pressing ring is arranged at the top end of the outer side wall of the positioning ring, and an inner pressing ring is arranged on the inner circumference of the outer pressing ring. The inner pressing ring is slightly longer than the outer pressing ring; the distance between the outer periphery of the inner pressing ring and the inner periphery of the outer pressing ring is equal to the width of the outer lip end of the double-lip sealing ring. According to the oil film bearing, under the condition that the double-lip sealing piece is not damaged, the compaction installation operation can be efficiently and rapidly completed, the operation efficiency is improved, meanwhile, the sealing effect of the oil film bearing is guaranteed, and the service life is prolonged.
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