Automatic mud cleaning device for slewing bearing of hydraulic excavator

CN224495264UActive Publication Date: 2026-07-14INNER MONGOLIA DATANG INT XILINHAOTE MINING CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: INNER MONGOLIA DATANG INT XILINHAOTE MINING CO LTD
Filing Date: 2025-08-18
Publication Date: 2026-07-14

AI Technical Summary

Technical Problem

During open-pit coal mining, the accumulation of mud around the slewing bearing leads to wear and damage and untimely lubrication, affecting production efficiency and increasing economic losses. Furthermore, it is difficult to clean and affects environmental protection and civilized production.

Method used

Design an automatic mud-cleaning device for the slewing bearing of a hydraulic excavator. The connecting plate and scraper assembly are bolted together and move synchronously with the slewing bearing to automatically clean mud and sand. The design of the insert rod and threaded sleeve makes it easy to disassemble and install the scraper.

Benefits of technology

This improves the standardization of the operating environment for slewing bearings, reduces wear impact, extends service life, simplifies cleaning operations, and reduces maintenance time and costs.

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Abstract

The utility model discloses a hydraulic excavator slewing bearing automatic mud cleaning device relates to slewing bearing structure technical field, and this utility model discloses a base and rotary disc, the rotary disc is located the top of base, the bottom of base is fixed and installed slewing bearing through bolt, the top of slewing bearing is fixed and installed the top of rotary disc through bolt, the bolt between slewing bearing and base and rotary disc installation is set to multiple annular distribution setting, the top below slewing bearing is equipped with the connecting plate, the connecting plate is fixed and installed on slewing bearing through bolt and the bolt top is screwed on the rotary disc, this utility model can effectively improve the operation environment of excavator slewing bearing device, and the device synchronous slewing movement along with slewing operation, can clean up silt comprehensively, reduce the influence of silt to slewing bearing bearing and lubrication, improve the standardization degree of on -the -spot operation, improve slewing bearing's operating life.

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