The invention provides a novel split type electric recirculating ball steering gear which comprises an electric power-assisted tubular column and a recirculating ball steering gear body, the electric power-assisted tubular column comprises a worm-wheel shaft, a coating layer is arranged on the outer side of the worm-wheel shaft, the recirculating ball steering gear body comprises a ball screw, an inner spline is arranged in the ball screw, and an outer spline is arranged in the inner spline. And the output end of the worm wheel shaft extends into the internal spline and is tightly matched with the ball screw. According to the novel split type electric recirculating ball steering gear, an electric power-assisted pipe column and the recirculating ball steering gear are connected through a worm wheel shaft, a coating layer and a ball screw, the electric power-assisted pipe column and the recirculating ball steering gear can be independently assembled and debugged and can be independently used for detecting the electric power-assisted performance, assembly and disassembly are convenient, no reversing abnormal sound exists during torque transmission, and the steering efficiency is improved. And the radial run-out and axial positioning errors of the tooth form of the worm gear are small, so that the worm gear and the worm are flexibly and smoothly meshed without reversing abnormal sound.
本发明提供了一种新型分体式电动循环球转向器,包括电动助力管柱和循环球转向器,所述电动助力管柱包括蜗轮轴,所述蜗轮轴的外侧设置有涂覆层,所述循环球转向器包括滚珠丝杆,所述滚珠丝杆内设有内花键,所述蜗轮轴的输出端伸入所述内花键与所述滚珠丝杆紧配合。一种新型分体式电动循环球转向器,电动助力管柱和循环球转向器之间通过蜗轮轴、涂覆层和滚珠丝杆进行连接,而且电动助力管柱和循环球转向器分别可以单独进行装配调试和电动助力性能的检测,装卸方便,传递扭矩时无换向异响,且蜗轮齿形的径向跳动和轴向定位误差小,使蜗轮蜗杆啮合灵活、顺畅、无换向异响。
Novel split type electric recirculating ball steering gear and assembling method thereof
一种新型分体式电动循环球转向器及其装配方法
2023-07-04
Patent
Electronic Resource
Chinese
Recirculating ball type electric power-assisted steering gear
European Patent Office | 2015
|Cylindrical gear and planet gear combined type electric power recirculating ball steering gear
European Patent Office | 2022
|Bearing assembly and recirculating ball type steering gear
European Patent Office | 2024
|Recirculating ball nut and electric recirculating ball steering device
European Patent Office | 2022
|