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    • 4. 发明公开
    • GREASE-LUBRICATED BEARING SYSTEM
    • EP3690300A1
    • 2020-08-05
    • EP18862911.7
    • 2018-09-29
    • Zhengzhou Autol Technology Co., Ltd.
    • ZHAO, DapingZHU, XianghuaSI, Yankai
    • F16N11/08F16C33/66
    • A grease-lubricated bearing system includes a bearing structure and a grease circulation drive device. A lubricating space for storing lubricating grease is arranged between an outer ring (1) and an inner ring (2) of the bearing structure. The bearing structure is provided with a grease injection hole (4) and a grease discharge hole (5) which are connected to the lubricating space. The grease discharge hole is connected to a grease pumping port (15) of the grease circulation drive device, and a grease outlet (10) of the grease circulation drive device is connected to the grease injection hole of the bearing. At least one of a grease filter (20), a cooling device (23) and a grease quality detection device (27) is arranged in series between the grease circulation drive device and the grease injection hole. The grease circulation drive device can clean harmful substances to maintain an optimal lubrication state and prolong the duration of the optimal lubrication state, so as to obtain a favorable lubrication effect and extend the service life of the bearing. After the grease is cooled and has improved fluidity by the cooling device, the grease is reinjected into the bearing to achieve the function of restoring the lubrication characteristics of the grease.