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Electric bridge system for vehicle, and vehicle

A technology of trams and vehicles, applied in the field of vehicles, can solve problems such as complexity and increased production costs

Pending Publication Date: 2021-01-05
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This system still uses complex synchronizer and input shaft structure design, and needs to introduce two motors for driving, which greatly increases the production cost

Method used

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  • Electric bridge system for vehicle, and vehicle
  • Electric bridge system for vehicle, and vehicle
  • Electric bridge system for vehicle, and vehicle

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Embodiment Construction

[0017] Specific implementations of the tram bridge system and the vehicle according to the present invention will be described below with reference to the accompanying drawings. The following detailed description and drawings are used to illustrate the principles of the present invention. The present invention is not limited to the described preferred embodiments, and the protection scope of the present invention is defined by the claims.

[0018] The present invention is preferably used in pure electric or hybrid vehicles with two-speed transmission. figure 2 A schematic diagram of a tram bridge system according to an embodiment of the invention is shown. As shown in the figure, the trolley axle system includes three parts: a motor 10 , a differential 20 and a transmission mechanism 30 . The transmission mechanism 30 is connected between the motor 10 and the differential gear 20 , the driving torque generated by the motor 10 is transmitted to the differential gear 20 throug...

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Abstract

The invention relates to an electric bridge system for a vehicle, and the vehicle. The electric vehicle axle system comprises a motor, a differential mechanism and a transmission mechanism arranged between the motor and the differential mechanism, the transmission mechanism comprises an input shaft, an intermediate shaft, a synchronizer and a planetary gear set arranged on the input shaft, the input shaft is in transmission connection with the motor, the input end of the planetary gear set is in anti-torque connection with the input shaft, and the intermediate shaft is in transmission connection with the differential mechanism. The synchronizer is arranged on the intermediate shaft and used for selectively connecting the output end of the planetary gear set with the intermediate shaft in atransmission mode through the first gear set or connecting the input shaft with the intermediate shaft in a transmission mode through the second gear set, so the output torque of the motor is transmitted to the differential mechanism through the intermediate shaft. According to the electric vehicle bridge system and the vehicle, the system structure can be simplified, and reliability is improved.

Description

technical field [0001] The invention relates to the technical field of vehicles. In particular, the invention relates to a tramway system for a vehicle and a vehicle comprising such a tramway system. Background technique [0002] At present, the research and development of new energy vehicles is getting more and more attention. The tram bridge system is an important component of new energy vehicles, especially pure electric and hybrid vehicles. figure 1 A schematic diagram of a prior art tram bridge system is shown. In the transmission mechanism 30 (transmission) of the tram axle system, the planetary gear set is arranged on the input shaft, the torque of the motor 10 is input from the sun gear of the planetary gear set, and then output from the planet carrier. The drive shaft and the input shaft are set coaxially, and the drive shaft is selectively connected to the planetary carrier or the input shaft in a torque-proof manner through a synchronizer, and then the torque i...

Claims

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Application Information

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IPC IPC(8): B60K17/12B60K17/04
CPCB60K17/046B60K17/12
Inventor 潘笑宇刘磊
Owner SCHAEFFLER TECH AG & CO KG