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Electric driving bridge single-reduction transmission

An electric drive axle and transmission technology, which is applied to transmission parts, elements with teeth, belts/chains/gears, etc., can solve the problems of low transmission efficiency, long transmission lines, difficult layout, etc. The effect of short power transmission line and high transmission efficiency

Pending Publication Date: 2019-02-22
SUZHOU LVKON TRANSMISSION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing electric drive axle single reduction transmission has complex structure, difficult layout, long transmission line and low transmission efficiency

Method used

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  • Electric driving bridge single-reduction transmission
  • Electric driving bridge single-reduction transmission

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Embodiment Construction

[0020] E-axle single reduction transmission, see figure 1 , figure 2 : It includes a gearbox body, the gearbox body includes a front case 1 and a rear cover 2, the front case 1 and the rear cover 2 are spliced ​​to form an assembly cavity 3, the lower middle of the front case 1 is provided with a transmission avoidance hole 4, and the assembly cavity The body 3 is arranged with an input shaft 5 and an intermediate shaft 6. The intermediate shaft 6 is arranged parallel to the lower part of the input shaft 5. The front end of the input shaft 5 protrudes from the rear of the front shell and is connected to the drive motor. The input shaft 5 is located in the assembly cavity 3 The input shaft gear 7 is arranged in the upper part, and the intermediate shaft gear 8 and the middle main gear 9 are respectively set on the intermediate shaft 6. The intermediate shaft gear 8 meshes with the input shaft gear 7, and the differential gear 10 is arranged on the lower part of the gearbox bod...

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PUM

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Abstract

The invention provides an electric drive bridge single-reduction transmission which integrates with a differential. The differential is directly integrated with a bridge to make the arrangement simple, the power transmission line short and the transmission efficiency high. The transmission includes a gearbox body, wherein the gearbox body comprises a front shell and a back cover, the front shell and the back cover are spliced to form an assembly chamber, the center of the lower portion of the front shell is provided with a conveying avoidance hole, an input shaft and an intermediate shaft arearranged inside the assembly chamber, the intermediate shaft is located under the input shaft which is parallel arranged with the intermediate shaft, the front end of the input shaft protrudes to theback of the front shell and is connected with a driving motor, the portion, located at the assembly chamber, of the input shaft is provided with an input shaft gear, the intermediate shaft is separately sleeved with an intermediate shaft gear and an intermediate main gear, the intermediate shaft gear is connected with the input shaft gear in a meshed way, the lower portion of the gearbox body is provided with the differential and two output shafts of the differential are arranged parallel to the intermediate shaft.

Description

technical field [0001] The invention relates to the technical field of transmissions, in particular to electric drive axle single reduction transmissions. Background technique [0002] In the face of the global energy crisis and environmental problems, the automobile industry is undoubtedly a major contributor to energy consumption and air pollution. Under the international environment of energy conservation and emission reduction, and the government's strong support for new energy, the demand for pure electric vehicles is increasing year by year. The powertrain (electric drive axle) of +transmission+rear axle has gradually become the direction of joint development of various automobile companies, and the transmission is the intermediate link of the powertrain, which plays a particularly critical role in the transmission system. [0003] The existing electric drive axle single reduction transmission has complex structure, difficult layout, long transmission line and low tran...

Claims

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Application Information

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IPC IPC(8): F16H57/02F16H57/037F16H57/021
CPCF16H57/02F16H57/021F16H57/037F16H2057/02034
Inventor 李磊吴仕祥杨海华李通响李翠连王康林杨富双刘诗道
Owner SUZHOU LVKON TRANSMISSION TECH CO LTD