A taper pin matched steering axle front axle assembly is mainly used for a chassis steering axle front axle structure of an engineering vehicle. A main pin hole of the front axle is a taper hole, a main pin is a taper pin structure, and the main pin and the front axle are a taper fit structure. A low-fall front axle is adopted, a ground clearance of the chassis can be increased, and therefore a requirement of a construction site for the high trafficability of the whole vehicle is met; the front axle and the main pin are in conical surface fit without a lock pin structure so that the processingprocedures of the lock pin and a lock pin hole are reduced, the production cost is decreased, a stress level of the main pin hole is improved, and the service life of the front axle is prolonged; thetaper fit between the main pin and the front axle is realized through a pre-tightening nut at the tail part of the small end of the main pin, and is convenient to assemble and disassemble and easy tomaintain; a spacer bush structure can provide a binding surface for the pre-tightening nut, meanwhile, abrasion of the small end of the main pin is improved, and durability of the main pin is increased; and main pin oil seal structures are arranged in bushing mounting holes of a steering knuckle assembly so that the sealing performance in the bushing holes can be effectively improved, the abrasion of the bushing and the main pin is reduced, and the service life is prolonged.

    一种锥销配合转向桥前轴总成,主要用于工程车辆的底盘转向桥前轴结构。前轴的主销孔为锥孔,主销为锥销结构,主销与前轴为锥配合结构。本发明采用低落差前轴,可增大底盘的离地间隙,从而满足建筑工地对整车较高通过性的需求;前轴与主销之间采用锥面配合,无锁销结构,减少了锁销及锁销孔加工工序,降低了生产成本,改善了主销孔应力水平,提高了前轴的使用寿命;主销与前轴的锥配合通过主销小端尾部的预紧螺母来实现,装拆方便易维护;采用隔套结构能够为预紧螺母提供贴合面,同时改善主销小端磨损,增加主销耐久性;转向节总成衬套安装孔中均带有主销油封结构,能有效提高衬套孔内密封性,减少衬套和主销磨损,提高使用寿命。


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    Title :

    Taper pin matched steering axle front axle assembly


    Additional title:

    一种锥销配合转向桥前轴总成


    Contributors:
    ZENG YANGYANG (author) / LU JINLIANG (author) / ZHANG BULIANG (author)

    Publication date :

    2021-02-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B62D MOTOR VEHICLES , Motorfahrzeuge



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