The invention relates to a disassembly-free axle frame assembly for a front axle of a commercial vehicle, which comprises a front axle, an upper arm, a steering knuckle, a main pin, a transverse pull rod, an upper needle bearing, a thrust needle bearing, a lower sealing assembly and an upper sealing assembly, the main pin is connected to a fist part of the front axle in an interference fit manner, and a through hole penetrating up and down is formed in the middle of the main pin; the lower sealing assembly is installed at the lower end of the main pin and forms a lower lubricating channel with the thrust needle bearing. Compared with the prior art, the thrust needle bearing has the advantages that the long-term lubrication effect free of disassembly can be achieved, the design of the upper sealing assembly and the lower sealing assembly is adopted, sealing is reliable, steering is light and convenient, the service life is long, maintenance is convenient and fast, and the thrust needle bearing is high in reliability. The steering portability and reliability of the product are improved, the maintenance and use cost is reduced, and the service life of the product is prolonged.
本发明涉及一种用于商用车前桥的免拆卸桥架总成,包括前轴、上臂、转向节、主销和横拉杆、上滚针轴承、止推滚针轴承、下密封组件和上密封组件,主销过盈配合连接于前轴的拳头部,主销中部形成有上下贯穿的通孔,下密封组件安装于主销的下端并与止推滚针轴承构成下润滑通道;上密封组件安装于主销的上端,通孔、上密封组件和止推滚针轴承构成下润滑通道,与现有技术相比,其可以实现免拆卸的长期润滑效果,采用上密封组件和下密封组件的设计,密封可靠、转向轻便、使用寿命长、保养便捷,既改善了产品转向轻便性、可靠性,又降低了保养使用成本,提升了产品使用寿命。
Disassembly-free axle frame assembly for front axle of commercial vehicle
一种用于商用车前桥的免拆卸桥架总成
2024-05-24
Patent
Electronic Resource
Chinese
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