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Electric differential device with torque fixed-direction distribution function

A technology of distribution function and differential, which is applied in the direction of differential transmission, transmission, belt/chain/gear, etc., can solve the problem that the left and right output torque of the differential cannot be adjusted, and achieve improved turning maneuverability and compact structure , Reduce the effect of layout space

Active Publication Date: 2017-08-18
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the defect that the left and right output torques of the differential are equal and cannot be adjusted, and provide an electric differential with a torque-oriented distribution function

Method used

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  • Electric differential device with torque fixed-direction distribution function
  • Electric differential device with torque fixed-direction distribution function
  • Electric differential device with torque fixed-direction distribution function

Examples

Experimental program
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Effect test

Embodiment 1

[0059] Such as figure 1 As shown, the present invention provides an electric differential with a torque distribution function, which is mainly composed of a torque directional distributor 2000, a traditional bevel gear differential 1400, a main drive motor reduction mechanism 1500 and a main drive motor 1002 .

[0060] In this embodiment, the torque directional distributor 2000 is located on the left side of the driving axle (it can also be exchanged with the main driving motor 1002, and it is arranged on the right side of the driving axle), and the TV control motor 1001 and the TV reduction mechanism are mainly used. 1100, double planetary row TV coupling mechanism 1200 and single planetary row differential coupling mechanism 1300 constitute.

[0061] The TV control motor 1001 is a hollow shaft inner rotor motor, the first half shaft 1402 connected to the left wheel passes through the inner hole of the hollow rotor shaft, the hollow shaft inner rotor and the sun gear of the ...

Embodiment 2

[0071] Such as figure 2 As shown, in this embodiment, the first planetary gear train 1030 and the second planetary gear train 1040 in the double planetary row TV coupling mechanism 1200 are both single planetary gear planetary row, and the first planetary gear train 1040 in the single planetary row differential coupling mechanism 1300 The three-planetary gear train 1050 is a two-stage planetary gear planetary row, and its structure is as shown in the figure.

Embodiment 3

[0073] Such as image 3 As shown, in this embodiment, the first planetary gear train 1030 and the second planetary gear train 1040 in the double planetary row TV coupling mechanism 1200 are both double-stage planetary gear planetary rows, and the single planetary row differential coupling mechanism 1300 The third planetary gear train 1050 is a single planetary gear planetary row, and the schematic structure is as shown in the figure.

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Abstract

The invention discloses an electric differential device with a torque fixed-direction distribution function. The electric differential device comprises a main drive mechanism, a bevel gear differential device body, a TV control drive mechanism for outputting control power, a first single-row planetary gear system, a second single-row planetary gear system and a third single-row planetary gear system; a first sun gear is arranged on a first half shaft through a bearing in a supported manner, a first gear ring is coaxially and fixedly connected with the first half shaft, and a first planet carrier is connected with the control output end; a second planet carrier is fixed to a drive bridge shell, and a second sun gear is fixedly connected with the first sun gear; a third sun gear is fixedly connected with a second inner gear ring, the third sun gear is arranged on the first half shaft through a bearing in a supported manner, a third planet carrier is fixedly connected with the first half shaft, and a third gear ring is fixedly connected with a differential device shell; and the second single-row planetary gear system and the first single-row planetary gear system have the same characteristic parameters. By means of the electric differential device, the drive torque of an automobile can be distributed to wheels on the left side and the right side in a fixed-direction manner according to the control requirement of control logic.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle transmission, and in particular relates to an electric differential with torque orientation distribution function. Background technique [0002] Due to the energy crisis and the increasing emphasis on environmental protection, new energy vehicles are the reverse of the development of future vehicles, and electric vehicles have achieved rapid development worldwide. Compared with traditional internal combustion engine vehicles, electric vehicles are more economical and environmentally friendly, and the characteristics of nearly zero emissions make electric vehicles have significant advantages in environmental protection. At the same time, electric vehicles have better acceleration performance due to the characteristics of fast response of the drive motor, low speed and high torque, and the motor speed and torque are easy to obtain, which can control the electric vehicle more precisely. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H48/06F16H48/38
CPCF16H48/06F16H48/38
Inventor 王军年杨斌
Owner JILIN UNIV
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