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Compact electric drive axle

An electric drive, compact technology, applied in the field of machinery and vehicle transmission, can solve the problems of insufficient compact layout, large space occupation, large size of electric drive axle, etc., to achieve the effect of convenience and compactness of overall layout

Active Publication Date: 2020-11-03
北方汤臣传动科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing electric drive axles including the above-mentioned patents have the disadvantages of large size, not compact enough layout, and taking up a lot of space.

Method used

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  • Compact electric drive axle
  • Compact electric drive axle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] see Figure 1-2 ,in, figure 1 It is a schematic diagram of an electric drive axle according to a preferred embodiment of the present invention; figure 2 It is a schematic diagram of an electric drive axle according to another preferred embodiment of the present invention.

Embodiment approach

[0028] see figure 1 According to a preferred embodiment of the present invention, a compact electric drive axle is provided, which includes:

[0029] drive motor 101;

[0030] The deceleration planetary row includes the first sun gear 104, the first planet gear 105, the first ring gear 106 and the first planet carrier, the first sun gear 104 is connected with the driving motor 101, the first planet gear 105 is connected with the first planet carrier connect;

[0031] The differential is composed of the first planetary row without ring gear and the second planetary row, the first planetary row is composed of the second sun gear 107, the second planetary gear 108 and the second planet carrier 109, the second planetary row is composed of the second Three sun gears 110, the third planetary gear 111 and the third planetary frame are formed, the second sun gear 107 is connected with the first output half shaft 102, the third sun gear 110 is connected with the second output half sh...

Embodiment 2

[0047] see figure 1 , according to a preferred embodiment of the present invention, an electric drive axle is provided, which includes:

[0048] Drive motor 101 as power input;

[0049] As the half shaft for power output, it is divided into left half shaft 102 and right half shaft 103;

[0050] As a planetary deceleration mechanism for deceleration, it can meet the range of vehicle speed changes;

[0051] As a differential between the wheels, it can meet the needs of different speeds of the wheels on both sides of the vehicle steering;

[0052] As the locked differential lock 112, the power output of the vehicle on difficult road surfaces can be guaranteed.

[0053]Preferably, the input motor (drive motor) has a hollow structure, allowing the power output shaft on one side to pass through the middle; the electric drive axle has a reduction planetary row, a planetary differential and a differential lock 112; The electric drive axle has a fixed planetary reduction gear, whic...

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Abstract

A compact electric drive axle includes: a drive motor; a speed reduction planet row which comprises a first sun wheel, a first planet wheel, a first gear ring and a first planet carrier, wherein the first sun wheel is connected with the driving motor, and the first planet wheel is connected with the first planet carrier; a differential mechanism which is composed of a first planet row and a secondplanet row without gear rings, wherein one end of the differential lock is connected with the third planet carrier, and the other end of the differential lock is connected with the second output halfshaft; wherein the speed reduction planet row, the first planet row, the second planet row and the differential lock are coaxial and are sequentially arranged side by side. According to the invention, convenience and compactness of overall arrangement of the electric drive axle are achieved, and energy output, energy recovery and stepless rotating speed control of a vehicle are achieved.

Description

technical field [0001] The invention belongs to the field of machinery and vehicle transmission, and in particular relates to a compact electric drive axle. Background technique [0002] Chinese patent ZL201820170867.5 discloses an electric drive axle, which includes a power output device, an input shaft connected to the power output shaft of the power output device, and a primary drive shaft sleeved on the input shaft. gear, and an electromagnetic clutch device connected between the input shaft and the primary driving gear, the electromagnetic clutch device is configured to selectively accept the power of the input shaft, so as to have the power from the Describe the first state of the output of the driving gear, and the second state of interrupting the output of the power. The electric drive axle transmits the power generated by the power output device to the electric drive axle through the input shaft, and the electromagnetic clutch device selectively accepts the power t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B35/12B60K17/12B60K17/16
CPCB60B35/125B60K17/12B60K17/165
Inventor 李吉元冯光军李培浩石彦辉王明成毛润郭婷王亚军田鹏飞姜杰钱鹏虎李晨
Owner 北方汤臣传动科技有限公司
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