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Integrated multi-gear automatic transmission of motor and non-bevel-gear differential mechanism

A technology of automatic transmission and differential, which is applied in the direction of differential transmission, vehicle gearbox, gear transmission, etc. The effect of large capacity, shortened shift time and high shift efficiency

Active Publication Date: 2019-07-26
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems of high energy consumption of the existing electric vehicle single transmission, large difference in transmission ratio between high and low gears in the automatic transmission, and difficulty in shifting gears, the present invention designs high and low gears based on the transmission characteristics of planetary gear trains and considering actual working conditions. A motor-bevelless differential integrated multi-speed automatic transmission with reasonable matching is a beneficial supplement to the existing electric vehicle transmission

Method used

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  • Integrated multi-gear automatic transmission of motor and non-bevel-gear differential mechanism
  • Integrated multi-gear automatic transmission of motor and non-bevel-gear differential mechanism
  • Integrated multi-gear automatic transmission of motor and non-bevel-gear differential mechanism

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Embodiment Construction

[0022] Such as figure 1 As shown, the present invention relates to a motor-bevelless differential integrated multi-speed automatic transmission, which is characterized by a motor M, a first planetary gear row, a second planetary gear row, and a first brake B 1 , the second brake B 2 , Differential and casing.

[0023] The main shaft of the motor M is fixedly connected with the first planet carrier H1 through a key, and the motor M is installed inside; the first central left gear 1 meshes with the first double left gear 2, and the first central right gear 3 and the first double right gear 4 outside Engagement, second planet carrier H 2 Right end with second brake B 2 Connected, the left end forms a rotation pair with the second planetary gear 6, the second planetary gear 6 is internally meshed with the second sun gear 7, the first planetary carrier H 1 It is connected with the second center wheel 5 with a clutch C, the third center left gear 9 is externally meshed with the ...

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Abstract

The invention relates to an integrated multi-gear automatic transmission of a motor and a non-bevel-gear differential mechanism. The integrated multi-gear automatic transmission of the motor and the non-bevel-gear differential mechanism is characterized by being mainly composed of the motor, a first planetary gear row, a second planetary gear row, a first brake device, a second brake device, the differential mechanism and a shell body, wherein the first planetary gear row and the second planetary gear row are connected through a planetary carrier, and the advantage of close transmission connection is achieved; and a brake part adopts a left-right parallel structure of the first brake device and the second brake device, and gear conversion is realized through a combined clutch. The integrated multi-gear automatic transmission of the motor and the non-bevel-gear differential mechanism is provided with two forward gears, one neutral gear and one parking gear, and is high in transmission efficiency, compact in structure and simple in gearshift manner; a new scheme reference is provided for an existing power transmission system structure for an electric automobile; and high use value and a good application prospect are achieved.

Description

technical field [0001] The invention belongs to the field of electric vehicle drive, and in particular relates to a motor-bevelless differential integrated multi-speed automatic transmission. Background technique [0002] With the gradual reduction of petroleum non-renewable energy sources, electric vehicles will replace fuel vehicles will definitely be the development trend of the future automotive field. The fixed transmission ratio transmission in the existing electric vehicle power system has high requirements on the motor, and it is difficult to meet the driving requirements of the vehicle in complex road conditions such as steep slopes in mountainous areas. For this reason, the development of electric vehicle transmissions with multi-speed transmission requirements is an important prerequisite for the promotion of electric vehicles. Considering that the electric motor has a large torque adjustment range and the overall volume limit of the electric vehicle power, two-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/66F16H48/11F16H57/023
CPCF16H3/66F16H48/11F16H57/023F16H2057/02043F16H2057/02086F16H2200/0021F16H2200/0034F16H2200/0082F16H2200/2007F16H2200/2038
Inventor 陈奇王雨周建军王孝震王亚东
Owner HEFEI UNIV OF TECH
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