CN204729562U - Pure electric automobile retarder - Google Patents
Pure electric automobile retarder Download PDFInfo
- Publication number
- CN204729562U CN204729562U CN201520455248.7U CN201520455248U CN204729562U CN 204729562 U CN204729562 U CN 204729562U CN 201520455248 U CN201520455248 U CN 201520455248U CN 204729562 U CN204729562 U CN 204729562U
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- China
- Prior art keywords
- gear
- input
- clutch
- shaft
- gears
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of pure electric automobile retarder, comprising: input shaft, two gear input gears, clutch, gear input gear, middle first gear, jack shaft, differential drive gear, differential mechanism, middle second gear and a shell.The utility model adds clutch and two gear input gears in input shaft one end, two gear speed changes are become from fixing speed change, velocity ratio is 1:17 and 1:8, under startup and climbing operating mode, 1:17 big speed ratio is used to export high pulling torque like this, during traveling with 1:8 outputting power and can ensure travel time shift gears when not cutting off transmission of power, shifting comfort is good, without pause and transition in rhythm or melody sense; Driving gear is all designed to helical gear and through carbonitriding heat treatment, the processing of surperficial roll flute, the contact ratio of gears meshing is large, and noise in operating is low, and bearing capacity is large; Output terminal is designed with differential mechanism, can meet automobile two sidecar wheel has speed difference requirement when turning.
Description
Technical field
The utility model relates to a kind of reducer for vehicle, specifically a kind of pure electric automobile retarder.
Background technique
Along with the enforcement of China's new energy policy, pure electric automobile is more and more subject to people's attention, and country has also put into effect multinomial incentives, in the recent period to promote the development of pure electric automobile technology further.And pure electric automobile market demand one exports low-speed big retarder when starting and run under climbing operating mode, the retarder related on the market at present mainly fixes speed change by motor speed-regulating, gear can not export low-speed big.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, is provided in that can export low-speed big when starting and run under climbing operating mode, that bearing capacity is large and noise is low a kind of pure electric automobile retarder.The technical solution adopted in the utility model is:
A kind of pure electric automobile retarder, comprising: input shaft, two gear input gears, clutch, gear input gear, middle first gear, jack shaft, differential drive gear, differential mechanism, middle second gear and a shell;
Input shaft one end cylindrical is rotationally connected with shell and went here and there shell and is connected motor, and sets gradually a gear input gear, clutch and two gear input gears in the middle of input shaft respectively, the other end cylindrical and shell are rotationally connected;
One gear input gear endoporus and input shaft are rotatably assorted, and Excircle machining has gear and is meshed with middle first gear;
Two gear input gear endoporus and input shaft are rotatably assorted, and Excircle machining has gear and is meshed with middle second gear;
Clutch is two gear clutches, is fixedly connected in input shaft intermediate circumference, and clutch one keeps off and engaging with the power keeping off input gear for input shaft, and clutch two keeps off and engaging with the power of input shaft for two gear input gears;
Middle first gear endoporus is fixedly connected with jack shaft, and Excircle machining has gear and keeps off input gear be meshed with one;
Middle second gear endoporus is fixedly connected with jack shaft, and Excircle machining has gear and keeps off input gear be meshed with two;
Jack shaft two ends cylindrical and shell are rotationally connected, and centre is fixedly connected sequentially middle first gear and middle second gear;
Differential drive gear is fixed on differential carrier, and Excircle machining has gear and is meshed with middle first gear and to input for differential mechanism power;
Differential mechanism two ends respectively connect a semiaxis and are connected for differential mechanism Power output with vehicle right and left line shaft respectively.
Further, clutch adopts two gear combined friction lamella clutch.
Further, a gear input gear, two gear input gear, middle first gear, middle second gear and differential drive gears are helical gear, and all adopt alloy steel material to make, through carbonitriding heat treatment.
The utility model has the advantage of: add clutch and two gear input gears in input shaft one end, two gear speed changes are become from fixing speed change, velocity ratio is 1:17 and 1:8, under startup and climbing operating mode, 1:17 big speed ratio is used to export high pulling torque like this, during traveling with 1:8 outputting power and can ensure travel time shift gears when not cutting off transmission of power, shifting comfort is good, without pause and transition in rhythm or melody sense; Driving gear is all designed to helical gear and through carbonitriding heat treatment, the processing of surperficial roll flute, the contact ratio of gears meshing is large, and noise in operating is low, and bearing capacity is large; Output terminal is designed with differential mechanism, and the vehicle right and left wheel line shaft connected from the both sides semiaxis in differential mechanism can rotate with different rotating speeds, can meet automobile two sidecar wheel has speed difference requirement when turning.
Accompanying drawing explanation
Fig. 1 is structure of the present utility model composition schematic diagram.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
The pure electric automobile retarder that the utility model provides as shown in Figure 1, comprising: input shaft 1, two keeps off input gear 2, clutch 3, keeps off input gear 4, middle first gear 6, jack shaft 7, differential drive gear 8, differential mechanism 9, middle second gear 10 and shell 11; Its housing 11 adopts aluminum alloy casing.This retarder connects motor 5.
Input shaft 1 one end cylindrical is rotationally connected with shell 11 and went here and there shell 11 and is connected motor 5, and sets gradually a gear input gear 4, clutch 3 and two gear input gears 2 in the middle of input shaft 1 respectively, the other end cylindrical and shell 11 are rotationally connected; One gear input gear 4 endoporus and input shaft 1 are rotatably assorted, and Excircle machining has gear and is meshed with middle first gear 6; Two gear input gear 2 endoporus and input shaft 1 are rotatably assorted, and Excircle machining has gear and is meshed with middle second gear 10; Clutch 3 is two gear combined friction lamella clutch, be fixedly connected in input shaft 1 intermediate circumference, clutch one keeps off 101 and engages with the power keeping off input gear 4 for input shaft 1, and clutch two keeps off 102(and often engages), engage with the power of input shaft 1 for two gear input gears 2.
Motor 5 for direct current motor is for outputting power, and is connected with input shaft 1.
Middle first gear 6 endoporus is fixedly connected with jack shaft 7, and Excircle machining has gear and keeps off input gear 4 be meshed with one; Middle second gear 10 endoporus is fixedly connected with jack shaft 7, and Excircle machining has gear and keeps off input gear 2 be meshed with two; Jack shaft 7 is longaxones parts, and two ends cylindrical and shell 11 are rotationally connected, and centre is fixedly connected sequentially middle first gear 6 and middle second gear 10.
Differential drive gear 8 is fixed on differential mechanism 9 shell, and Excircle machining has gear and is meshed with middle first gear 6 and to input for differential mechanism 9 power; Differential mechanism 9 is an assembly, and its shell fixes a differential drive gear 8 for power input, and two ends respectively connect a semiaxis 103 and are connected for 9 differential mechanism Power output with electric vehicle left and right moving mechanical axis.
Under vehicle launch and climbing operating mode when travelling velocity ratio to be the two gear power transmission lines of 1:17 be: motor 5 is energized that outputting power is delivered to input shaft 1 successively, clutch two keeps off 102(clutch two and keep off normal engagement), two gear input gear 2, middle second gear 10, middle first gears 6, differential drive gear 8, differential mechanism 9 and electric vehicle left and right moving mechanical axis.
During normal vehicle operation, to be a gear power transmission line of 1:8 be velocity ratio: motor 5 is energized that outputting power is delivered to input shaft 1 successively, clutch one keeps off 101(clutch 3 and to be energized 101 joints, and 102 disconnect), gear input gear 4, middle first gear 6, differential drive gear 8, differential mechanism 9 and an electric vehicle left and right moving mechanical axis.
This retarder is by the control of the retarder control unit (TCU) of supporting setting and the stroke of clutch pedal, the lap of the joint of solenoidoperated cluthes 3, engaging speed and joint, realize shifting gears when not cutting off transmission of power, shifting comfort is good, without pause and transition in rhythm or melody sense.
One gear input gear 4, two keeps off input gear 2, middle first gear 6, middle second gear 10 and differential drive gear 8 and all adopts alloy steel material to make, process through carbonitriding heat treatment, surperficial roll flute, surface hardness is high, and be all designed to helical gear, the contact ratio of gears meshing is large, bearing capacity is large, and noise in operating is low.
Clutch end is designed with differential mechanism, and the vehicle right and left wheel line shaft connected from the both sides semiaxis in differential mechanism can rotate with different rotating speeds, can meet automobile two sidecar wheel has speed difference requirement when turning.
Claims (4)
1. a pure electric automobile retarder, it is characterized in that, comprising: input shaft (1), two gears input gear (2), clutch (3), gear input gear (4), middle first gear (6), jack shaft (7), differential drive gear (8), differential mechanism (9), middle second gear (10) and shell (11);
Input shaft (1) one end cylindrical is rotationally connected with shell (11) and went here and there shell (11) and is connected motor (5), set gradually a gear input gear (4), clutch (3) and two gears input gear (2) in the middle of input shaft (1) respectively, the other end cylindrical and shell (11) are rotationally connected;
One gear input gear (4) endoporus and input shaft (1) are rotatably assorted, and Excircle machining has gear and is meshed with middle first gear (6);
Two gear input gear (2) endoporus and input shaft (1) are rotatably assorted, and Excircle machining has gear and is meshed with middle second gear (10);
Clutch (3) is two gear clutches, be fixedly connected in input shaft (1) intermediate circumference, clutch one keeps off the power that (101) keep off input gear (4) for input shaft (1) and and engages, and clutch two keeps off (102) and engages with the power of input shaft (1) for two gears input gear (2);
Middle first gear (6) endoporus is fixedly connected with jack shaft (7), and Excircle machining has gear and keeps off input gear (4) be meshed with one;
Middle second gear (10) endoporus is fixedly connected with jack shaft (7), and Excircle machining has gear and keeps off input gear (2) be meshed with two;
Jack shaft (7) two ends cylindrical and shell (11) are rotationally connected, and centre is fixedly connected sequentially middle first gear (6) and middle second gear (10);
Differential drive gear (8) is fixed on differential mechanism (9) shell, and Excircle machining has gear and is meshed with middle first gear (6) and to input for differential mechanism (9) power;
Differential mechanism (9) two ends respectively connect a semiaxis (103) and are connected for differential mechanism (9) Power output with vehicle right and left line shaft respectively.
2. pure electric automobile retarder as claimed in claim 1, is characterized in that:
Clutch (3) is two gear combined friction lamella clutch.
3. pure electric automobile retarder as claimed in claim 1, is characterized in that:
One gear input gear (4), two gears input gear (2), middle first gear (6), middle second gear (10) and differential drive gear (8) are helical gear.
4. pure electric automobile retarder as claimed in claim 1, is characterized in that:
One gear input gear (4), two gears input gear (2), middle first gear (6), middle second gear (10) and differential drive gear (8) all adopt alloy steel material to make, through carbonitriding heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455248.7U CN204729562U (en) | 2015-06-29 | 2015-06-29 | Pure electric automobile retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455248.7U CN204729562U (en) | 2015-06-29 | 2015-06-29 | Pure electric automobile retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729562U true CN204729562U (en) | 2015-10-28 |
Family
ID=54387917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520455248.7U Expired - Fee Related CN204729562U (en) | 2015-06-29 | 2015-06-29 | Pure electric automobile retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204729562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041987A (en) * | 2015-06-29 | 2015-11-11 | 无锡市神力齿轮冷挤有限公司 | Speed reducer for blade electric vehicle |
-
2015
- 2015-06-29 CN CN201520455248.7U patent/CN204729562U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041987A (en) * | 2015-06-29 | 2015-11-11 | 无锡市神力齿轮冷挤有限公司 | Speed reducer for blade electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20190629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |