Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Electric drive axle structure with double motors and working method of electric drive axle structure

An electric drive, dual-motor technology, applied in the field of automobile transmission system, can solve the problems of large layout space of high-power motors and reducers, affecting vehicle passability, low reliability, etc., to facilitate installation and later maintenance, and improve packaging flexibility The effect of low performance and low transmission efficiency

Active Publication Date: 2021-09-17
CHANGAN UNIV
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the limited space of the drive axle, the high-power motor and reducer occupy a large layout space, which affects the trafficability of the car
[0004] At the same time, in the current disclosed technology, there are coaxial and parallel shaft electric drive axles, and their deceleration mechanisms are all realized by shift paddles, and the structure is relatively complex, less reliable

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electric drive axle structure with double motors and working method of electric drive axle structure
  • Electric drive axle structure with double motors and working method of electric drive axle structure
  • Electric drive axle structure with double motors and working method of electric drive axle structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0044] figure 1 It is a schematic diagram of the overall structure of the electric drive axle structure with dual motors of the present invention, including a first motor, a second motor, an epicyclic gear train, a driving gear 9, a driven gear 10, a differential, a driving half shaft and a brake 17;

[0045]The first motor comprises the first motor stator 1 and the first motor rotor 2, the second motor comprises the second motor stator 3 and the second motor rotor 4, the first motor stator 1, the first motor rotor 2, the second motor stator 3 and The second motor rotor 4 is successively arranged on the shaft 15 from left to right; the epicyclic gear train includes the ring gear 5, the planet carrier 7, the sun gear 8 and the planetary gear 6; the first motor rotor 2 is fixedly connected with the sun gear 8, and the second The motor rotor 4 is ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an electric drive axle structure with double motors and a working method of the electric drive axle structure, and belongs to the technical field of automobile transmission systems. The structure comprises a first motor, a second motor, an epicyclic gear train, a driving gear, a driven gear, a differential mechanism, a driving half shaft and a brake. The first motor stator, the first motor rotor, the second motor stator and the second motor rotor are all arranged on the shaft; the epicyclic gear train comprises a gear ring, a planet carrier, a sun gear and a planet gear; the first motor rotor is fixedly connected with the sun gear, the second motor rotor is fixedly connected with the gear ring, and the gear ring is connected with the brake; one side of the planet carrier is connected with the planet wheel, the other side of the planet carrier is connected with the driving gear, the driving gear is meshed with the driven gear, and the driven gear is connected with the differential mechanism which is connected with the driving half shaft. The invention is compact in structure, high in flexibility, easy to install and maintain and capable of being suitable for different operation working conditions, and the cruising ability of the vehicle is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of automobile transmission systems, and in particular relates to an electric drive axle structure with double motors and a working method thereof. Background technique [0002] The rapid development of the electric vehicle industry has become an inevitable trend, and will eventually promote the electrification of the automobile industry. Extended-range vehicles play an important role in this industry. Axle products, as an important part of the vehicle, will also follow the development trend of vehicle electrification. [0003] At present, commercial vehicle electric drive axle technology, as an important technology of the whole vehicle, has been paid more and more attention. As the power source of the vehicle, the performance of the electric drive axle directly affects the power, economy and passability of the vehicle. In order to improve the power performance of the vehicle, major manufacturers use relati...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B60K1/02B60K17/16
CPCB60K1/02B60K17/165
Inventor 孟德安徐克杰赵轩马建王建平张梦寒
Owner CHANGAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com