CN207178599U - A kind of pure electric vehicle two of power failure-free keeps off gearbox - Google Patents
A kind of pure electric vehicle two of power failure-free keeps off gearbox Download PDFInfo
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- CN207178599U CN207178599U CN201721053932.8U CN201721053932U CN207178599U CN 207178599 U CN207178599 U CN 207178599U CN 201721053932 U CN201721053932 U CN 201721053932U CN 207178599 U CN207178599 U CN 207178599U
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- gear
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- output
- gears
- planet carrier
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Abstract
Automobile gearbox field is the utility model is related to, the pure electric vehicle two for specifically disclosing a kind of power failure-free keeps off gearbox, and motor is fixedly connected with input shaft；Sun gear and one-way clutch are set on input shaft；Planet carrier and gear ring are set gradually outside sun gear, planetary gear is set on planet carrier, brake is set on the outside of gear ring；Planet carrier connects firmly with two gear input gears being arranged on input shaft, and the outer ring of one-way clutch connects firmly with the gear input gear being arranged on input shaft；Two gear output gears and a gear output gear are respectively fixedly connected with the both ends of jackshaft；Main deceleration input gear is arranged on jackshaft, and main deceleration output gear engages with main deceleration input gear.The characteristic of the utility model combination one-way clutch, it is only necessary to the separation and combination of a brake are controlled, that is, realizes that power failure-free is shifted gears, cornering ability lifting；Part is few, transmission efficiency.
Description
Technical field
Automobile gearbox field is the utility model is related to, the pure electric vehicle two of more particularly to a kind of power failure-free keeps off speed change
Case.
Background technology
The existing pure electronic two gears dynamic interruption of gearbox, drives poor quality.If as shown in figure 1, will be from one
The gear of gear gearshift two, it is necessary to by neutral, cause power interruption.Existing pure electronic power drive system is typically slowed down using a gear
Case or two gear gearboxes, comprehensive various aspects of performance performance, two gear power drive systems have that climbing capacity is strong, and acceleration is good, most
The advantages such as high speed height.Existing two gears power drive system（Single motor driving）Synchronizer structure is used due to most of, is had
The situation of power interruption occurs, and otherwise can not shift gears.
Utility model content
The utility model is in view of the above-mentioned problems, the pure electric vehicle two for providing a kind of power failure-free keeps off gearbox.
The purpose of this utility model can be realized by following technical proposals：
A kind of pure electric vehicle two of power failure-free keeps off gearbox, including：Motor, input shaft, planetary gear train, brake,
One-way clutch, a gear input gear, a gear output gear, two gear input gears, two gear output gears, jackshaft, main deceleration
Input gear and main deceleration output gear；
The planetary gear train includes：Sun gear, planetary gear, planet carrier, gear ring；
The motor is fixedly connected with input shaft, and sun gear and one-way clutch are set on input shaft, is set on the outside of sun gear
Planet carrier to be put, gear ring is set on the outside of planet carrier, planetary gear is set on planet carrier, planetary gear engages with sun gear and gear ring respectively,
Brake is set on the outside of gear ring, brake is fixed on gear box casing, gear ring combine or separate with brake realization fix or
Rotate；Planet carrier connects firmly with two gear input gears being arranged on input shaft, and the outer ring of one-way clutch is with being arranged at input shaft
On one gear input gear connect firmly；Two gear output gears engage with two gear input gears, a gear output gear and a gear input tooth
Wheel engagement, two gear output gears and a gear output gear are respectively fixedly connected with jackshaft；Main deceleration input gear is arranged at
On jackshaft, main deceleration output gear engages with main deceleration input gear.
Further, in addition to differential mechanism, main deceleration output gear are fixedly connected with differential mechanism.
Further, when planet carrier directly exports, the speed reducing ratio of planetary gear train is 1+K, wherein, K is for the gear ring number of teeth and too
The ratio between positive tooth number.
Further, planetary gear is multiple to be evenly distributed in planet carrier.
Further, the external diameter of the main deceleration input gear is less than the external diameter and two gear output gears of a gear output gear
External diameter.
The beneficial effects of the utility model：
（1）With reference to the characteristic of one-way clutch, it is only necessary to control the separation and combination of a brake, that is, realize unpowered
Interrupt gearshift, cornering ability lifting.
（2）Part is few, transmission efficiency, and brake more has a clear superiority in arrangement, manufacture, control than clutch.
Brief description of the drawings
Fig. 1 is the structural representation of the pure electronic two gears gearbox of the automobile of prior art.
Fig. 2 is a kind of structural representation of the present utility model.
Part numbers are as follows in figure：
1 motor
2 planet carriers
3 planetary gears
4 brakes
5 planetary gear trains
6 two gear input gears
7 one-way clutch
8 one gear input gears
9 input shafts
10 jackshafts
11 1 gear output gears
12 main deceleration output gears
13 differential mechanisms
14 main deceleration input gears
15 2 gear output gears
16 gear box casings
17 gear rings
18 sun gears.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, becomes apparent from those skilled in the art
Ground understands how to put into practice the utility model.Although describing the utility model with reference to its preferred embodiment, these
Embodiment simply illustrates, rather than limitation the scope of the utility model.
Embodiment one
As shown in Fig. 2 a preferred embodiment of the present utility model provides a kind of pure electric vehicle two of power failure-free
Gearbox is kept off, including：Motor 1, input shaft 9, planetary gear train 5, brake 4, one-way clutch 7, a gear input gear 8, a gear
Output gear 11, two gear input gears 6, two gear output gears 15, jackshaft 10, main deceleration input gear 14 and main output of slowing down
Gear 12；The planetary gear train 5 includes：Sun gear 18, planetary gear 3, planet carrier 2, gear ring 17.
Motor 1 is fixedly connected with the spline of input shaft 9, and moment of torsion is transmitted by input shaft 9；Sun gear 18 is set on input shaft 9
With one-way clutch 7；The outside of sun gear 18 sets planet carrier 2, and the outside of planet carrier 2 sets gear ring 17, and gear ring 17 is internal gear, OK
It is evenly distributed multiple planetary gears 3 in carrier 2, multiple planetary gears 3 are respectively with the sun gear 18 positioned at the inner side of planet carrier 2 and being located at
The gear ring 17 in the outside of planet carrier 2 engages, and the outside of gear ring 17 sets brake 4, and brake 4 is fixed on gear box casing 16, tooth
Circle 17 combines or separated realization with brake 4 and fixes or rotate；Planet carrier 2 and two gear input gears 6 being arranged on input shaft 9
Connect firmly, the outer ring of one-way clutch 7 connects firmly with the gear input gear 8 being arranged on input shaft 9；Two gear output gears 15 and two
Gear input gear 6 engages, and a gear output gear 11 engages with a gear input gear 8, and two gear output gears 15 and one keep off output gear
Wheel 11 is respectively fixedly connected with the both ends of jackshaft 10；Main deceleration input gear 14 is arranged on jackshaft 10, main output of slowing down
Gear 12 engages with main deceleration input gear 14.
Preferably, planetary gear 3 is to be evenly distributed in two or three and planet carrier 2.
When planet carrier 2 directly exports, the speed reducing ratio of planetary gear train 5 is 1+K, wherein, K is the number of teeth of gear ring 17 and sun gear 18
The ratio between number of teeth.
Also include differential mechanism 13, main deceleration output gear 12 is fixedly connected with differential mechanism 13.
Working method：
Vehicle start stage, the moment of torsion of motor 1 are directly delivered to one-way clutch 7 by output shaft, now one-way clutch
Device 7 directly drives a gear input gear 8 to rotate, it is defeated to transfer torque to a gear by gear engagement without any extraneous control
Go out gear 11, then main deceleration input gear 14 is transmitted torque to by jackshaft 10, main deceleration input gear 14 is nibbled by gear
Conjunction delivers torque to main deceleration output gear 12, so as to transfer torque to differential mechanism 13, then by differential mechanism 13 is delivered to wheel
End, realize the gear transmission of vehicle one；
Need from one gear be raised to two gears when, brake 4 is combined so that gear ring 17 is fixed, and now planetary gear train 5 is with sun gear
18 inputs, gear ring 17 is fixed, planet carrier 2 exports, and the speed reducing ratio of planetary gear train 5 is 1+K（The tooth of 17 numbers of teeth of gear ring/sun gear 18
Number）, it is big to keep off the rotating speed of input gear 8 due to the rotating ratio one of now input shaft 9, one-way clutch 7 can not passing power, moment of torsion
Exported by the planet carrier 2 of planetary gear train 5 to two gear input gears 6, then be delivered to two gear output gears 15, afterwards again in
Countershaft 10 transmits torque to main deceleration input gear 14, and main deceleration input gear 14 delivers torque to master by gear engagement and subtracted
Fast output gear 12, so as to transfer torque to differential mechanism 13, then it is delivered to by differential mechanism 13 and takes turns end, realizes that the gear of vehicle two passes
It is dynamic；
Need from two gears drop to a gear when, brake 4 separates, and planetary gear train 5 no longer passes through planet carrier 2 and transmits moment of torsion, single
Voluntarily combined from first gear pair passing power to clutch 7.
As a result of such scheme, the utility model has the characteristics that：
（1）With reference to the characteristic of one-way clutch, it is only necessary to control the separation and combination of a brake, that is, realize unpowered
Interrupt gearshift, cornering ability lifting.
（2）Part is few, transmission efficiency, and brake more has a clear superiority in arrangement, manufacture, control than clutch.
It should be pointed out that for the utility model through absolutely proving, can also have a variety of conversion and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of above-mentioned embodiment.Above-described embodiment as just explanation of the present utility model, and
It is not to limitation of the present utility model.In a word, the scope of protection of the utility model should include those for ordinary skill
Obviously convert or substitute and retrofit for personnel.
Claims (5)
1. a kind of pure electric vehicle two of power failure-free keeps off gearbox, it is characterised in that including：Motor, input shaft, planetary gear
System, brake, one-way clutch, a gear input gear, a gear output gear, two gear input gears, two gear output gears are middle
Axle, main deceleration input gear and main deceleration output gear；
The planetary gear train includes：Sun gear, planetary gear, planet carrier, gear ring；
The motor is fixedly connected with input shaft, and sun gear and one-way clutch are set on input shaft, row is set on the outside of sun gear
Carrier, planet carrier outside set gear ring, set planetary gear on planet carrier, planetary gear engages with sun gear and gear ring respectively, gear ring
Outside sets brake, and brake is fixed on gear box casing, and gear ring combines or separated realization with brake and fixes or rotate；
Planet carrier be arranged on input shaft two gear input gears connect firmly, the outer ring of one-way clutch and be arranged on input shaft one
Gear input gear connects firmly；Two gear output gears engage with two gear input gears, and a gear output gear engages with a gear input gear,
Two gear output gears and a gear output gear are respectively fixedly connected with jackshaft；Main deceleration input gear is arranged at jackshaft
On, main deceleration output gear engages with main deceleration input gear.
2. the pure electric vehicle two of power failure-free according to claim 1 keeps off gearbox, it is characterised in that also including differential
Device, main deceleration output gear are fixedly connected with differential mechanism.
3. the pure electric vehicle two of power failure-free according to claim 1 keeps off gearbox, it is characterised in that the planet carrier
When directly exporting, the speed reducing ratio of planetary gear train is 1+K, wherein, K is the ratio between the gear ring number of teeth and the sun gear number of teeth.
4. the pure electric vehicle two of power failure-free according to claim 1 keeps off gearbox, it is characterised in that the planetary gear
It is multiple for what is be evenly distributed in planet carrier.
5. the pure electric vehicle two of power failure-free according to claim 1 keeps off gearbox, it is characterised in that the main deceleration
The external diameter of input gear is less than the external diameter of a gear output gear and the external diameter of two gear output gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721053932.8U CN207178599U (en) | 2017-08-22 | 2017-08-22 | A kind of pure electric vehicle two of power failure-free keeps off gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721053932.8U CN207178599U (en) | 2017-08-22 | 2017-08-22 | A kind of pure electric vehicle two of power failure-free keeps off gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178599U true CN207178599U (en) | 2018-04-03 |
Family
ID=61740238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721053932.8U Active CN207178599U (en) | 2017-08-22 | 2017-08-22 | A kind of pure electric vehicle two of power failure-free keeps off gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN207178599U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466298A (en) * | 2018-11-30 | 2019-03-15 | 浙江伊控动力系统有限公司 | Compact dual-motor drive system and driving method |
| CN109798342A (en) * | 2018-10-27 | 2019-05-24 | 珠海磐磊智能科技有限公司 | Speed change gear |
| CN110071597A (en) * | 2019-06-05 | 2019-07-30 | 吉林大学 | Power failure-free internal rotor hub motor two keeps off speed change system and electric car |
| CN111516489A (en) * | 2020-04-29 | 2020-08-11 | 广西玉柴机器股份有限公司 | Two-gear three-stage planetary speed reduction non-shaft bridge |
| CN113294502A (en) * | 2021-05-06 | 2021-08-24 | 东风鼎新动力系统科技有限公司 | Dynamic gear shifting speed reducer and automobile |
-
2017
- 2017-08-22 CN CN201721053932.8U patent/CN207178599U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798342A (en) * | 2018-10-27 | 2019-05-24 | 珠海磐磊智能科技有限公司 | Speed change gear |
| CN109466298A (en) * | 2018-11-30 | 2019-03-15 | 浙江伊控动力系统有限公司 | Compact dual-motor drive system and driving method |
| CN110071597A (en) * | 2019-06-05 | 2019-07-30 | 吉林大学 | Power failure-free internal rotor hub motor two keeps off speed change system and electric car |
| CN110071597B (en) * | 2019-06-05 | 2023-12-29 | 吉林大学 | Unpowered interruption inner rotor hub motor two-gear speed change system and electric automobile |
| CN111516489A (en) * | 2020-04-29 | 2020-08-11 | 广西玉柴机器股份有限公司 | Two-gear three-stage planetary speed reduction non-shaft bridge |
| CN113294502A (en) * | 2021-05-06 | 2021-08-24 | 东风鼎新动力系统科技有限公司 | Dynamic gear shifting speed reducer and automobile |
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