The invention discloses an axle end nut locking assembly and an axle assembly. The axle end nut locking assembly comprises an axle, an axle head nut, a retaining washer and a clamping piece. The outer surface of the axle is provided with an external thread, the axle is provided with an extension section located at the outer side end of the external thread, and the extension section is provided with a first matching part; the axle head nut is arranged on the axle in a sleeving manner, an inner thread screwed outside the outer thread is arranged in an inner hole of the axle head nut, and a first clamping part is arranged on the axle head nut; the retaining gasket is arranged outside the extending section in a sleeving manner, a second matching part is arranged on the inner edge of the retaining gasket, the second matching part and the first matching part are meshed with each other to form a first limiting structure, a second clamping part is further arranged on the retaining gasket, and the second clamping part and the first clamping part are matched to form a second limiting structure; and the clamping piece is used for clamping and fixing the retaining washer on the shaft head nut. The influence of scrap iron on mounting of the shaft head nut is avoided, and the axial assembling precision of the shaft head nut is improved.

    本发明公开了一种轴端螺母锁紧组件及车轴总成,轴端螺母锁紧组件包括车轴、轴头螺母、止退垫圈、卡紧件;车轴的外表面设置有外螺纹,车轴上设置有位于外螺纹外侧端的延伸段,在延伸段上设置有第一配合部;轴头螺母套设在车轴上,其内孔中设置有螺接在外螺纹外部的内螺纹,在轴头螺母上设置有第一卡接部;止退垫圈套设在延伸段外部,且止退垫圈的内缘设置有第二配合部,第二配合部与第一配合部相互咬合以组成第一限位结构,止退垫圈上还设置有第二卡接部,该第二卡接部与第一卡接部配合以组成第二限位结构;卡接件用于将止退垫圈卡紧固定在轴头螺母上。本发明中避免铁屑对轴头螺母的安装造成影响,提高了轴头螺母的轴向装配精度。


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    Title :

    Axle end nut locking assembly and axle assembly


    Additional title:

    轴端螺母锁紧组件及车轴总成


    Contributors:
    WU ZHIQIANG (author) / ZHENG SHIRU (author)

    Publication date :

    2023-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / F16C SHAFTS , Wellen



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