A bridge pipe and rear axle assembly
CN224689905UActive Publication Date: 2026-08-28LIUZHOU WULING AUTOMOBILE IND CO LTD
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Patent Information
- Application Number
- CN202521798231.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-22
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-22
AI Technical Summary
Technical Problem
因此，为了获得较大的抗弯能力，往往需要增加桥管的重量，从而增加整个后轴的重量，轻量化效果差
Benefits of technology
[0021]本申请提供的桥管在工作过程中，中间部分受垂向载荷较大，两端部分受垂向载荷较小。因此，中间段的抗弯截面模量大于端部段的抗弯截面模量，使桥管能用较少的材料实现较大的承载能力，满足性能要求。端部段采用抗弯截面模量较小，但是便于加工制造的结构，用于连接安装部件，实现桥管的功能要求。中间段和端部段通过过渡段连接，从而形成变截面桥管。
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Abstract
The application discloses a bridge pipe and a rear axle assembly. The bridge pipe comprises an end section, a middle section and a transition section. The end section is located at both ends of the bridge pipe and is used for connecting mounting components. The bending section modulus of the middle section is greater than that of the end section. The middle section and the end section are connected through the transition section. The transition section is a variable cross-section structure. The cross-sectional area of the transition section gradually decreases in the direction from the middle section to the end section. The rear axle assembly disclosed by the application comprises the bridge pipe, a leaf spring mounting seat and a hub mounting seat. Compared with the related art, the bridge pipe and the rear axle assembly provided by the application improve the overall bending resistance of the bridge pipe while meeting the lightweight requirement and reducing the manufacturing difficulty of the bridge pipe under the premise of guaranteeing the function requirement and the performance index of the existing bridge pipe in the market.
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