A distributed planetary gear shift structure
CN224693882UActive Publication Date: 2026-08-28XIAMEN KING LONG UNITED AUTOMOTIVE IND CO LTD
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Patent Information
- Application Number
- CN202521859316.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-29
AI Technical Summary
Technical Problem
目前市场上主流新能源商用车采用中央驱动结构,该结构由电机、变速器、传动轴及驱动桥依次连接组成,存在两大核心问题:一是系统整体重量大,增加车辆能耗;二是占用空间大,限制了车辆底盘的布局灵活性,难以适配轻量化、小型化的整车设计需求
Benefits of technology
1.结构紧凑、重量轻:本发明通过采用分布式行星排结构,可实现两种档位切换(太阳轮直驱、行星架直驱),可根据整车动力性及经济性综合需求进行档位切换,取消了传统中央驱动结构中的传动轴及差速器部分,能耗将进一步降低,行星排结构扭矩密度高于平行轴结构,且通过一体化换挡滑套整合多组啮合功能,减少部件数量,整体体积缩小,重量降低,适配新能源商用车轻量化、小空间的布局需求;
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Abstract
The present application relates to new energy commercial vehicle transmission system technical field, especially, it relates to a kind of distributed planetary row gear shift structure, comprising: driving mechanism, integrated gear shift sliding sleeve, gear ring, planet carrier, planetary gear, sun gear, half shaft, integrated gear shift sliding sleeve is engaged with driving mechanism, integrated gear shift sliding sleeve is movably installed in planet carrier side portion, planet carrier is connected with half shaft and is used to power output to wheel end.The present application can realize two kinds of gear switching by adopting distributed planetary row structure, can be according to the comprehensive demand of vehicle power and economy and carry out gear switching, cancel the transmission shaft and differential part in traditional central driving structure, energy consumption will be further reduced, the torque density of planetary row structure is higher than parallel axis structure, and by integrated gear shift sliding sleeve integration multiple engagement functions, reduce the number of components, overall volume is reduced, weight is reduced, adapt to new energy commercial vehicle lightweight, small space layout demand.
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