Multi-gear electric drive axle driving structure and vehicle
CN116533732BActive Publication Date: 2026-02-27DONGFENG DANA AXLE
Patent Information
- Application Number
- CN202310733549.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2043-06-19
AI Technical Summary
Technical Problem
Existing multi-speed electric drive axles suffer from large axial space occupation, low transmission efficiency, and heavy weight, making it difficult to meet the needs of heavy commercial vehicles.
Method used
It adopts a coaxial arrangement of one shaft and three shafts. By arranging the shaft system, the number of gear transmission stages is reduced. It uses a three- or four-stage transmission system that combines synchronous or clutch units to save space and improve transmission efficiency.
Benefits of technology
By reducing the number and number of gear transmission stages, shaft layout space is saved, weight is reduced, and transmission efficiency is improved.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN116533732B_ABST
Abstract
The application provides a multi-gear electric drive axle driving structure and a vehicle. The multi-gear electric drive axle driving structure comprises a first connecting shaft, the two ends of the first connecting shaft being connected with a motor and a first gear transmission assembly; the two ends of a second connecting shaft being connected with the first gear transmission assembly and a second gear transmission assembly; a third gear transmission assembly being meshingly connected with the second gear transmission assembly, the third gear transmission assembly being connected with a third connecting shaft, and the third connecting shaft being coaxially arranged with the first connecting shaft; a fourth gear transmission assembly being meshingly connected with the third gear transmission assembly, the fourth gear transmission assembly being connected with a fourth connecting shaft; a fifth gear transmission assembly being meshingly connected with the fourth gear transmission assembly, the fifth gear transmission assembly being connected with a fifth connecting shaft through a differential; and the two ends of the fifth connecting shaft being respectively used for being connected with a first driving wheel and a second driving wheel. The driving structure reduces the gear transmission level and quantity, improves the transmission efficiency, shortens the arrangement space, and reduces the weight.
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Citation Information
Patent Citations
Longitudinal multi-gear electric drive power assembly
CN108528185A
Three-gear speed change axle power transmission system of pure electric heavy commercial vehicle
CN115303042A