CN210461557U - Two-gear hybrid gearbox - Google Patents

Two-gear hybrid gearbox Download PDF

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Publication number
CN210461557U
CN210461557U CN201921189249.6U CN201921189249U CN210461557U CN 210461557 U CN210461557 U CN 210461557U CN 201921189249 U CN201921189249 U CN 201921189249U CN 210461557 U CN210461557 U CN 210461557U
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China
Prior art keywords
gear
clutch
fixedly connected
input shaft
shaft
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CN201921189249.6U
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Chinese (zh)
Inventor
朱雷
杨守银
吴四军
王旭峰
周用华
段仁仕
薛刚
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Shanghai Yikong Power System Co ltd
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Shanghai Yikong Power System Co ltd
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Priority to CN201921189249.6U priority Critical patent/CN210461557U/en
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Abstract

The utility model provides a two grades of gear shifting boxes that mix, include: the input shaft is provided with a first-gear driving gear, a second clutch and a first clutch from left to right in sequence; the first gear driving gear is fixedly connected with the input shaft; the second gear driving gear is rotationally connected with the input shaft; the inner ring of the second clutch is fixedly connected with the input shaft; the inner ring of the first clutch is fixedly connected with the input shaft; the input shaft is fixedly connected with an output shaft of the driving motor; the outer ring of the first clutch is connected with an output shaft of the auxiliary motor; the intermediate shaft is arranged beside the input shaft and is sequentially provided with a one-way clutch, a main speed reduction driving gear and a secondary driven gear from left to right; the inner ring of the one-way clutch is fixedly connected with the intermediate shaft; the main speed reduction driving gear is fixedly connected with the intermediate shaft; the second driven gear is fixedly connected with the intermediate shaft. The utility model discloses realize engine drive's two grades of drives to power does not break off when shifting.

Description

Two-gear hybrid gearbox
Technical Field
The utility model relates to a new energy automobile actuating system technical field, in particular to two grades of gear shifting transmission that thoughtlessly move.
Background
At present, the hybrid transmission box in the existing Chinese market is basically of a parallel structure, the P2.5 configuration technology content is not high, only one motor is added on the basis of a common transmission, and the arrangement is difficult.
The main reasons for the poor driving effect of the hybrid system are:
firstly, the engine is driven by only one gear, so that the rotating speed of the engine is high under the high-speed condition, and the noise and the oil consumption are not good;
second, the engine has two gears but the shift requires a power interruption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two grades of gear shifting mixing box realizes two grades of drives of engine drive to power does not break when shifting gears.
The embodiment of the utility model provides a pair of two grades of gear shifting boxes that mix, include:
the input shaft is provided with a first-gear driving gear, a second clutch and a first clutch from left to right in sequence; the first gear driving gear is fixedly connected with the input shaft; the two-gear driving gear is rotationally connected with the input shaft; the inner ring of the second clutch is fixedly connected with the input shaft; the inner ring of the first clutch is fixedly connected with the input shaft; the input shaft is fixedly connected with an output shaft of the driving motor; the outer ring of the first clutch is connected with an output shaft of the auxiliary motor;
the intermediate shaft is arranged beside the input shaft and is sequentially provided with a one-way clutch, a first-gear driven gear, a main reduction driving gear and a second-gear driven gear from left to right; the inner ring of the one-way clutch is fixedly connected with the intermediate shaft; the main speed reduction driving gear is fixedly connected with the intermediate shaft; the second-gear driven gear is fixedly connected with the intermediate shaft; the first-gear driven gear is rotationally connected with the intermediate shaft
A main reduction driven gear engaged with the main reduction driving gear;
the shell of the differential is fixedly connected with the main speed reduction driven gear through bolts;
the second-gear driven gear is meshed with the second-gear driving gear; the second clutch outer ring is connected with the second gear driving gear; the outer ring of the one-way clutch is connected with the first-gear driven gear; the first-gear driven gear is meshed with the first-gear driving gear.
Optionally, the first gear driving gear is fixedly connected with the input shaft through a spline.
Optionally, the one-way clutch has a lock-up function.
Optionally, a bearing is arranged in the middle of the two driving gears, and the input shaft is sleeved in the bearing.
Optionally, the main speed reduction driving gear is fixedly connected with the intermediate shaft through a spline.
Optionally, the second-gear driven gear is fixedly connected with the intermediate shaft through a spline.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a two-gear hybrid transmission according to an embodiment of the present invention.
In the figure:
1. an engine; 2. an auxiliary motor; 3. a first clutch; 4. a second gear driving gear; 5. a first gear driving gear; 6. an input shaft; 7. a drive motor; 8. an intermediate shaft; 9. a one-way clutch; 10. a first-gear driven gear; 11. a main reduction drive gear; 12. a differential mechanism; 13. a main reduction driven gear; 14. a second driven gear; 15. a second clutch.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The embodiment of the utility model provides a two grades of gear shifting transmission that mixes, include:
the input shaft 6 is provided with a first-gear driving gear 5, a second-gear driving gear 4, a second clutch 15 and a first clutch 3 from left to right in sequence; the first gear driving gear 5 is fixedly connected with the input shaft 6; the second gear driving gear 4 is rotationally connected with the input shaft 6; the inner ring of the second clutch 15 is fixedly connected with the input shaft 6; the inner ring of the first clutch 3 is fixedly connected with the input shaft 6; the input shaft 6 is fixedly connected with an output shaft of a driving motor 7; the outer ring of the first clutch 3 is connected with the output shaft of the auxiliary motor 2;
the intermediate shaft 8 is arranged beside the input shaft 6, and the intermediate shaft 8 is sequentially provided with a one-way clutch 9, a first-gear driven gear 10, a main reduction driving gear 11 and a second-gear driven gear 14 from left to right; the inner ring of the one-way clutch 9 is fixedly connected with the intermediate shaft 8; the main speed reduction driving gear 11 is fixedly connected with the intermediate shaft 8; the second-gear driven gear 14 is fixedly connected with the intermediate shaft 8; the first-gear driven gear 10 is rotationally connected with the intermediate shaft 8;
a main reduction driven gear 13 meshed with the main reduction driving gear 11;
a differential 12, wherein a shell of the differential 12 is fixedly connected with a main reduction driven gear 13 through bolts;
wherein, the second driven gear 14 is meshed with the second driving gear 4; the outer ring of the second clutch 15 is connected with the second-gear driving gear 4; the outer ring of the one-way clutch 9 is connected with the first-gear driven gear 10; the first-gear driven gear 10 is engaged with the first-gear driving gear 5. Further, the engine 11 is directly connected to the rotor of the auxiliary motor 22.
The working principle and the beneficial effects of the technical scheme are as follows:
pure electric mode: when the engine does not work, the first clutch is opened, the second clutch is opened and the one-way clutch is locked, the driving motor directly transmits torque to the intermediate shaft through the first-gear driving driven gear, then the intermediate shaft transmits the torque to the differential mechanism, and finally the wheels are driven.
Series mode: the engine is started, the first clutch is opened, and the engine directly drives the auxiliary motor rotor to charge. The working mode of the driving motor is the same as that of the pure electric mode
Parallel mode: under the conditions that the engine is started, the first clutch is closed, the second clutch is opened and the one-way clutch is locked, the engine and the driving motor directly transmit torque to the intermediate shaft through the first-gear driving driven gear, then the intermediate shaft transmits the torque to the differential mechanism, and finally the wheels are driven.
An engine drive mode: the engine is started, the first clutch is closed, the second clutch is opened, and the one-way clutch is locked, the engine directly transmits torque to the intermediate shaft through the first-gear driving driven gear, then transmits the torque to the differential mechanism through the intermediate shaft, and finally drives wheels. The motor does not charge and does not produce torque in the whole process.
To achieve a fixed connection of the first gear driving gear 5 and the input shaft 6, in one embodiment, the first gear driving gear 5 and the input shaft 6 are fixedly connected through splines.
In one embodiment, the one-way clutch 9 has a lock-up function.
In order to realize the rotational connection between the two driving gears 4 and the input shaft 6, in one embodiment, a bearing is disposed between the two driving gears 4, and the input shaft 6 is sleeved in the bearing.
In order to realize the fixed connection of the main speed reduction driving gear 11 and the intermediate shaft 8; in one embodiment, the main reduction drive gear 11 is fixedly connected to the intermediate shaft 8 by splines.
To fixedly connect the second-stage driven gear 14 to the intermediate shaft 8, in one embodiment, the second-stage driven gear 14 is fixedly connected to the intermediate shaft 8 through splines.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. A two-gear hybrid transmission, comprising:
the input shaft is provided with a first-gear driving gear, a second clutch and a first clutch from left to right in sequence; the first gear driving gear is fixedly connected with the input shaft; the two-gear driving gear is rotationally connected with the input shaft; the inner ring of the second clutch is fixedly connected with the input shaft; the inner ring of the first clutch is fixedly connected with the input shaft; the input shaft is fixedly connected with an output shaft of the driving motor; the outer ring of the first clutch is connected with an output shaft of the auxiliary motor;
the intermediate shaft is arranged beside the input shaft and is sequentially provided with a one-way clutch, a first-gear driven gear, a main reduction driving gear and a second-gear driven gear from left to right; the inner ring of the one-way clutch is fixedly connected with the intermediate shaft; the main speed reduction driving gear is fixedly connected with the intermediate shaft; the second-gear driven gear is fixedly connected with the intermediate shaft; the first-gear driven gear is rotationally connected with the intermediate shaft;
a main reduction driven gear engaged with the main reduction driving gear;
the shell of the differential is fixedly connected with the main speed reduction driven gear through bolts;
the second-gear driven gear is meshed with the second-gear driving gear; the second clutch outer ring is connected with the second gear driving gear; the outer ring of the one-way clutch is connected with the first-gear driven gear; the first-gear driven gear is meshed with the first-gear driving gear.
2. The two speed hybrid transmission of claim 1, wherein said first speed drive gear is fixedly splined to said input shaft.
3. A two speed hybrid transmission as defined in claim 1, wherein said one-way clutch has a lockup function.
4. The two speed hybrid transmission of claim 1, wherein a bearing is disposed intermediate said two drive gears, and said input sleeve is disposed within said bearing.
5. The two speed compound transmission of claim 1, wherein said final drive gear is fixedly splined to said countershaft.
6. The two speed compound transmission of claim 1, wherein said two driven gears are fixedly splined to said countershaft.
CN201921189249.6U 2019-07-25 2019-07-25 Two-gear hybrid gearbox Active CN210461557U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921189249.6U CN210461557U (en) 2019-07-25 2019-07-25 Two-gear hybrid gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921189249.6U CN210461557U (en) 2019-07-25 2019-07-25 Two-gear hybrid gearbox

Publications (1)

Publication Number Publication Date
CN210461557U true CN210461557U (en) 2020-05-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307302A (en) * 2019-07-25 2019-10-08 上海伊控动力系统有限公司 A kind of two grades are mixed dynamic gearbox and its process for gear
CN111577842A (en) * 2020-05-13 2020-08-25 中瑞德科(北京)工业设计有限公司 Wet-type single-clutch two-gear transmission

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110307302A (en) * 2019-07-25 2019-10-08 上海伊控动力系统有限公司 A kind of two grades are mixed dynamic gearbox and its process for gear
CN110307302B (en) * 2019-07-25 2024-08-09 上海伊控动力系统有限公司 Two-gear hybrid gearbox and gear shifting method thereof
CN111577842A (en) * 2020-05-13 2020-08-25 中瑞德科(北京)工业设计有限公司 Wet-type single-clutch two-gear transmission
CN111577842B (en) * 2020-05-13 2024-04-05 北京开云汽车有限公司 Wet single clutch two-gear transmission

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