CN107542861A - A kind of two grades of pure electric shift casees - Google Patents
A kind of two grades of pure electric shift casees Download PDFInfo
- Publication number
- CN107542861A CN107542861A CN201711008443.5A CN201711008443A CN107542861A CN 107542861 A CN107542861 A CN 107542861A CN 201711008443 A CN201711008443 A CN 201711008443A CN 107542861 A CN107542861 A CN 107542861A
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- gear
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- input shaft
- pure electric
- electric shift
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Abstract
The invention provides a kind of two grades of pure electric shift casees, including：Motor, input shaft, sun gear, planetary gear, planet carrier, clutch, first gear, second gear, the 3rd gear, brake；Motor is fixedly connected with input shaft, and moment of torsion is transmitted by input shaft；It is provided with sun gear and clutch on input shaft, in planetary gear empty set planet carrier, planet carrier connects firmly with the first gear being arranged on input shaft；Second gear is realized by the combination of clutch or separation and the connection of input shaft and separated；The gear ring of planetary gear is by combining or separating the connection of realization and gear box casing with brake and separate；First gear and second gear are disposed adjacent side by side.The present invention has advantages below：By clutch and the separation and combination of braking, realize that power failure-free is shifted gears, cornering ability lifting；The part of driving parts is few, transmission efficiency.
Description
Technical field
The present invention relates to a kind of automobile technical field, more particularly to a kind of new two grades of pure electric shift casees.
Background technology
The existing pure electronic dynamic interruption of two grades of gearboxes, drive poor quality.If as shown in figure 1, will be from one grade
Two grades of gearshift, it is necessary to by neutral, cause power interruption.Existing pure electronic power drive system typically uses one grade of reduction box
Or two grades of gearboxes, comprehensive various aspects of performance performance, two grades of power drive systems have that climbing capacity is strong, acceleration is good, highest
The advantages such as speed height.Existing two grades of power drive systems（Single motor driving）Synchronizer structure is used due to most of, is had
The situation that power is interrupted occurs, and otherwise can not shift gears.
The content of the invention
In order to solve the above problems, the invention provides a kind of two grades of pure electric shift casees, including：A kind of two grades pure electronic
Gearbox, it is characterised in that including：Motor, input shaft, sun gear, planetary gear, planet carrier, clutch, first gear, second
Gear, the 3rd gear, brake；
Motor is fixedly connected with input shaft, and moment of torsion is transmitted by input shaft；
It is provided with sun gear and clutch on input shaft, in planetary gear empty set planet carrier, planet carrier and is arranged on input shaft
First gear connect firmly；Second gear is realized by the combination of clutch or separation and the connection of input shaft and separated；Planetary gear
Gear ring by with brake combine or separate realization and gear box casing connection and separate；First gear and second gear are simultaneously
Row are disposed adjacent.
Further, in addition to driven gear, first gear and second gear engage with driven gear simultaneously, pass through gear pair
Passing power.
Preferably, driven gear is gear train.
Further, the gear width of driven gear is more than or equal to the facewidth sum of first gear and second gear.
Preferably, first gear is identical with the facewidth of second gear.
Preferably, wherein, planetary gear is symmetrical multiple.
Further, when planetary wheel carrier directly exports, fast ratio is 1+K, wherein, K is the gear ring number of teeth/sun gear number of teeth.
Preferably, in addition to the 3rd gear, the 3rd gear are coaxially disposed with the driven gear, the 3rd gear
External diameter be less than the driven gear external diameter.
Further, in addition to final gear, the driven gear or the 3rd gear engage with the final gear, lead to
Cross gear pair and transmit torque to the final gear.
Further, in addition to differential mechanism, the final gear are fixedly connected with the differential mechanism.
The technical scheme is that：Using double clutch form, it is not necessary to synchronizer, you can complete gearshift, and changing
Power is kept not interrupt during gear.
As a result of such scheme, the invention has the characteristics that：
（1）By clutch and the separation and combination of braking, realize that power failure-free is shifted gears, cornering ability lifting.
（2）Driving parts only need one group of 2K-H planetary gear train, three gears, a brake, a clutch, part
It is few, transmission efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the pure electronic two grades of gearboxes of automobile of prior art；
Fig. 2 is the structural representation of a kind of two grades pure electric shift casees of first preferred embodiment of the present invention；
Fig. 3 is the structural representation of a kind of two grades pure electric shift casees of second preferred embodiment of the present invention.
Embodiment
The preferred embodiment of the present invention is introduced below with reference to Figure of description, citing proves that the present invention can be implemented,
Its technology contents can be made more clear and readily appreciated to those of skill in the art's complete description present invention.The present invention
It can be emerged from by many various forms of embodiments, its protection domain is not limited only to the embodiment mentioned in text,
Figures and description herein substantially illustrates rather than the limitation present invention.In the accompanying drawings, structure identical part is with phase
Represent that the similar component of structure or function is represented with like numeral label everywhere with number designation.
Embodiment one
As shown in Fig. 2 the preferred embodiment of the present invention provides a kind of two grades of pure electric shift casees, including：Motor 12, it is defeated
Enter axle 8, sun gear 2, planetary gear 3, planet carrier 1, clutch 7, first gear 6, second gear 9, brake 5；Motor 12 with it is defeated
Enter axle 8 to be fixedly connected, moment of torsion is transmitted by input shaft 8；Sun gear 2 and clutch 7, the empty set of planetary gear 3 are provided with input shaft 8
In planet carrier 1, planet carrier 1 connects firmly with the first gear 6 being arranged on input shaft 8；The knot that second gear 9 passes through clutch 7
Close or separate the connection of realization and input shaft 8 and separate；The gear ring 13 of planetary gear 3 is by combining or separating realization with brake 5
Connection with gear box casing 5 and separate；First gear 6 and second gear 9 are disposed adjacent side by side.
Also include driven gear 11, first gear 6 and second gear 9 nibble 11 conjunctions with driven gear simultaneously, pass through gear pair
Passing power.
The gear width of driven gear 11 is equal to the facewidth sum of first gear 6 and second gear 9.
First gear 6 is identical with the facewidth of second gear 9.Wherein, planetary gear 3 is symmetrical two.
When planetary wheel carrier 1 directly exports, fast ratio is 1+K, wherein, K is 13 numbers of teeth of gear ring/sun gear number of teeth.
Also include differential mechanism 10, the driven gear 11 is fixedly connected with the differential mechanism 10.
Embodiment two
As shown in figure 3, the preferred embodiment of the present invention provides a kind of two grades of pure electric shift casees, including：Motor 12, it is defeated
Enter axle 8, sun gear 2, planetary gear 3, planet carrier 1, clutch 7, first gear 6, second gear 9, brake 5；Motor 12 with it is defeated
Enter axle 8 to be fixedly connected, moment of torsion is transmitted by input shaft 8；Sun gear 2 and clutch 7, the empty set of planetary gear 3 are provided with input shaft 8
In planet carrier 1, planet carrier 1 connects firmly with the first gear 6 being arranged on input shaft 8；The knot that second gear 9 passes through clutch 7
Close or separate the connection of realization and input shaft 8 and separate；The gear ring 13 of planetary gear 3 is by combining or separating realization with brake 5
Connection with gear box casing 5 and separate；First gear 6 and second gear 9 are disposed adjacent side by side.
In the present embodiment, driven gear 9 is gear train.The gear of driven gear 9 is more than first gear 6 and second gear 9
Facewidth sum.First gear 6 is identical with the facewidth of second gear 9.
Wherein, planetary gear 3 is symmetrical three.When planetary wheel carrier 1 directly exports, fast ratio is 1+K, wherein, K for the gear ring number of teeth/
The sun gear number of teeth.
The present embodiment also includes the 3rd gear 14, and the 3rd gear 14 is coaxially disposed with the driven gear 9, and described
The external diameter of three gears 14 is less than the external diameter of the driven gear 9.And final gear 15, the 3rd gear 14 and the main deceleration
Gear 15 is engaged, and the final gear 15 is transmitted torque to by gear pair.
In addition, also including differential mechanism 10, the final gear 15 is fixedly connected with the differential mechanism 10.
The technical scheme is that：Using double clutch form, it is not necessary to synchronizer, you can complete gearshift, and changing
Power is kept not interrupt during gear.Motor 12 is fixedly connected with the spline of input shaft 8, and input shaft 8 is provided with sun gear 2, simultaneously
Provided with clutch 7, gear 9 and input shaft 8 are connected by clutch 7, and clutch 7 is opened, and the discord input shaft 8 of gear 9 connects firmly, from
Clutch 7 closes, and gear 9 and input shaft 8 connect firmly；Gear box casing 5 is provided with brake, connects gear ring 13, and brake combines, gear ring
13 are fixedly connected with gear box casing 5, and brake is opened, and gear box casing 5 is not connected with gear ring；The empty set of planetary gear 3 is in planet
On frame 1, planet carrier 1 connects firmly with gear 6；Gear 6 and gear 9 pass through gear pair passing power, gear 11 with final gear 11
It is fixedly connected with differential mechanism 10.
Working method：Pure electric vehicle starting stage, brake 4 are closed, and clutch 7 is opened, now planetary gear train Working mould
Formula is：Sun gear 2 is inputted, and gear ring 13 is fixed, and planet carrier 1 exports, and fast ratio is 1+K（The gear ring number of teeth/sun gear the number of teeth）, planet carrier
1 delivers torque to gear 6, and gear 6 transmits torque to final gear 11 by gear pair, and then moment of torsion is passed through into differential mechanism
10 are delivered to wheel, and driving vehicle advances., it is necessary to change to 2 grades after certain speed is reached, now brake 4 is opened, while from
Clutch closes, and realizes that power failure-free is shifted gears.Now sun gear 2 directly transmits torque to gear 9, and gear 9 is passed by gear pair
Torque delivery is delivered to wheel end to final gear 11, then by differential mechanism 10.
As a result of such scheme, the invention has the characteristics that：
（1）By clutch and the separation and combination of braking, realize that power failure-free is shifted gears, cornering ability lifting.
（2）Driving parts only need one group of 2K-H planetary gear train, three gears, a brake, a clutch, part
It is few, transmission efficiency.
The present invention compared with the existing technology, has the characteristics of structure is novel, simple, practical, convenient to use.
Described above is only the preferred embodiments of the present invention, it is noted that for those skilled in the art,
Under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as this
The protection domain of invention.
Claims (10)
- A kind of 1. two grades of pure electric shift casees, it is characterised in that including：Motor, input shaft, sun gear, planetary gear, planet carrier, Clutch, first gear, second gear, brake；The motor is fixedly connected with the input shaft, and moment of torsion is transmitted by the input shaft；It is provided with the sun gear and the clutch on the input shaft, in the planetary gear empty set planet carrier, the row Carrier connects firmly with the first gear being arranged on the input shaft；The combination or separation that the second gear passes through the clutch Realize the connection with the input shaft and separate；The gear ring of the planetary gear by with the brake combine or separate realization with The connection and separation of the gear box casing；The first gear and the second gear are disposed adjacent side by side.
- 2. two grades of pure electric shift casees of one kind as claimed in claim 1, it is characterised in that also including driven gear, the first tooth Wheel and second gear engage with the driven gear simultaneously, pass through gear pair passing power.
- 3. two grades of pure electric shift casees of one kind as claimed in claim 2, it is characterised in that the driven gear is gear train.
- 4. two grades of pure electric shift casees of one kind as claimed in claim 2, it is characterised in that the gear width of the driven gear More than or equal to the first gear and the facewidth sum of the second gear.
- 5. two grades of pure electric shift casees of one kind as claimed in claim 1, it is characterised in that the first gear and second gear The facewidth it is identical.
- 6. two grades of pure electric shift casees of one kind as claimed in claim 1, it is characterised in that wherein, the planetary gear is symmetrical It is multiple.
- 7. two grades of pure electric shift casees of one kind as claimed in claim 1, it is characterised in that the planetary wheel carrier directly exports When, fast ratio is 1+K, wherein, K is the gear ring number of teeth/sun gear number of teeth.
- 8. two grades of pure electric shift casees of one kind as claimed in claim 2, it is characterised in that also including the 3rd gear, described the Three gears are coaxially disposed with the driven gear, and the external diameter of the 3rd gear is less than the external diameter of the driven gear.
- 9. two grades of pure electric shift casees of one kind as claimed in claim 8, it is characterised in that described also including final gear 3rd gear is engaged with the final gear, and the final gear is transmitted torque to by gear pair.
- 10. two grades of pure electric shift casees of one kind as claimed in claim 9, it is characterised in that also subtract including differential mechanism, the master Fast gear is fixedly connected with the differential mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008443.5A CN107542861A (en) | 2017-10-25 | 2017-10-25 | A kind of two grades of pure electric shift casees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008443.5A CN107542861A (en) | 2017-10-25 | 2017-10-25 | A kind of two grades of pure electric shift casees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107542861A true CN107542861A (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711008443.5A Pending CN107542861A (en) | 2017-10-25 | 2017-10-25 | A kind of two grades of pure electric shift casees |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317227A (en) * | 2018-04-08 | 2018-07-24 | 昆山德拉特兰传动科技有限公司 | Two speed transmissions |
| CN109915554A (en) * | 2019-03-29 | 2019-06-21 | 王劼 | A kind of electric drive axle of retarder shift |
| CN110281765A (en) * | 2019-07-26 | 2019-09-27 | 上海伊控动力***有限公司 | Two grades of coaxial electric bridges of one kind and its process for gear |
| CN110345209A (en) * | 2019-06-28 | 2019-10-18 | 江苏美械变速箱有限公司 | Speed change gear and automobile |
| WO2021136673A1 (en) * | 2019-12-30 | 2021-07-08 | Zf Friedrichshafen Ag | Electric drive system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204020600U (en) * | 2014-06-04 | 2014-12-17 | 上海通用汽车有限公司 | There is battery-driven car dynamic assembly and the vehicle of two gear speed ratio outputs |
| CN204095509U (en) * | 2014-07-31 | 2015-01-14 | 比亚迪股份有限公司 | Power drive system and there is the vehicle of this power drive system |
| CN104930140A (en) * | 2015-06-30 | 2015-09-23 | 重庆大学 | Single planet-row two-shift automatic transmission for electric automobile |
| EP3051172A1 (en) * | 2015-02-02 | 2016-08-03 | Goodrich Corporation | Electomechanical brake actuator with variable speed epicyclic gearbox |
| CN106438880A (en) * | 2016-11-14 | 2017-02-22 | 重庆青山工业有限责任公司 | Pure electric two-speed transmission |
| DE102015222460A1 (en) * | 2015-11-13 | 2017-05-18 | Volkswagen Aktiengesellschaft | Switchable gear arrangement and drive train of a motor vehicle |
| CN106882039A (en) * | 2017-04-14 | 2017-06-23 | 重庆青山工业有限责任公司 | A kind of two keep off pure electric vehicle power system |
| CN207421239U (en) * | 2017-10-25 | 2018-05-29 | 上海伊控动力***有限公司 | A kind of two grades of pure electric vehicle gearboxes |
-
2017
- 2017-10-25 CN CN201711008443.5A patent/CN107542861A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204020600U (en) * | 2014-06-04 | 2014-12-17 | 上海通用汽车有限公司 | There is battery-driven car dynamic assembly and the vehicle of two gear speed ratio outputs |
| CN204095509U (en) * | 2014-07-31 | 2015-01-14 | 比亚迪股份有限公司 | Power drive system and there is the vehicle of this power drive system |
| EP3051172A1 (en) * | 2015-02-02 | 2016-08-03 | Goodrich Corporation | Electomechanical brake actuator with variable speed epicyclic gearbox |
| CN104930140A (en) * | 2015-06-30 | 2015-09-23 | 重庆大学 | Single planet-row two-shift automatic transmission for electric automobile |
| DE102015222460A1 (en) * | 2015-11-13 | 2017-05-18 | Volkswagen Aktiengesellschaft | Switchable gear arrangement and drive train of a motor vehicle |
| CN106438880A (en) * | 2016-11-14 | 2017-02-22 | 重庆青山工业有限责任公司 | Pure electric two-speed transmission |
| CN106882039A (en) * | 2017-04-14 | 2017-06-23 | 重庆青山工业有限责任公司 | A kind of two keep off pure electric vehicle power system |
| CN207421239U (en) * | 2017-10-25 | 2018-05-29 | 上海伊控动力***有限公司 | A kind of two grades of pure electric vehicle gearboxes |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317227A (en) * | 2018-04-08 | 2018-07-24 | 昆山德拉特兰传动科技有限公司 | Two speed transmissions |
| CN108317227B (en) * | 2018-04-08 | 2024-04-12 | 昆山德拉特兰传动科技有限公司 | Two-speed transmission |
| CN109915554A (en) * | 2019-03-29 | 2019-06-21 | 王劼 | A kind of electric drive axle of retarder shift |
| CN110345209A (en) * | 2019-06-28 | 2019-10-18 | 江苏美械变速箱有限公司 | Speed change gear and automobile |
| CN110281765A (en) * | 2019-07-26 | 2019-09-27 | 上海伊控动力***有限公司 | Two grades of coaxial electric bridges of one kind and its process for gear |
| CN110281765B (en) * | 2019-07-26 | 2024-05-03 | 上海伊控动力***有限公司 | Two-gear coaxial bridge and gear shifting method thereof |
| WO2021136673A1 (en) * | 2019-12-30 | 2021-07-08 | Zf Friedrichshafen Ag | Electric drive system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180105 |
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| RJ01 | Rejection of invention patent application after publication |