CN219789894U - Novel hybrid power assembly longitudinally-arranged structure driving device - Google Patents
Novel hybrid power assembly longitudinally-arranged structure driving device Download PDFInfo
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- CN219789894U CN219789894U CN202321157586.3U CN202321157586U CN219789894U CN 219789894 U CN219789894 U CN 219789894U CN 202321157586 U CN202321157586 U CN 202321157586U CN 219789894 U CN219789894 U CN 219789894U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 239000000295 fuel oil Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of vehicle hybrid power driving, in particular to a novel hybrid power assembly longitudinal structure driving device, which comprises an engine (1), a driving motor (6), a rear axle (8) and wheels (10); the engine (1) is connected with an input shaft (408) of a gear mechanism (4), a synchronizer power shifting device (5) is arranged on the input shaft (408), an output shaft (411) of the gear mechanism (4) is connected with a transmission shaft (7), the transmission shaft (7) is connected with a rear axle (8), and the rear axle (8) is connected with wheels (10) through a half shaft (9); a generator device (3) is also arranged between the gear mechanism (4) and the engine (1), and the generator device (3) is connected with the engine (1). The device has compact structure, small occupied space and low manufacturing and maintenance cost, and is suitable for large-scale mass production.
Description
Technical Field
The utility model relates to the technical field of vehicle hybrid power driving, in particular to a novel hybrid power assembly longitudinal structure driving device.
Background
The traditional fuel oil vehicle drives the vehicle through the engine, and the engine has inherent characteristics, such as oil consumption in idling, acceleration and high-speed driving, but efficiency is high in constant-speed driving when power output is moderate. With the improvement of engine technology, but after reaching a certain level, the excavated space becomes smaller, but the improvement cost is larger. The output power and the energy consumption of the motor are close to linear relation, the motor is enabled to work when the efficiency of the engine is poor, and the two power sources are enabled to work cooperatively, so that a more efficient working mode is achieved.
Compared with the additional hybrid power gearbox, the hybrid power gearbox has the characteristics of simple structure, compact arrangement and higher fuel saving level. The hybrid power transmission mainly comprises a split-type series-parallel system gearbox and a series-parallel system gearbox, wherein the existing hybrid power gearbox is of a single-gear structure, only low-speed and high-speed ratios can be balanced, and the power performance and the comprehensive oil consumption of the whole vehicle are inevitably affected.
Therefore, a new technical solution is urgently needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a novel longitudinal structure driving device of a hybrid power assembly, which is used for solving the technical problems that in the prior art, a hybrid power gearbox is of a single-gear structure, only low-speed and high-speed ratios can be balanced, and the dynamic property and comprehensive oil consumption of the whole vehicle can be influenced.
The above purpose is realized by the following technical scheme:
a novel hybrid power assembly longitudinal structure driving device comprises an engine, a driving motor, a rear axle and wheels; the engine is connected with an input shaft of a gear mechanism, a synchronizer power gear shifting device is arranged on the input shaft, an output shaft of the gear mechanism is connected with a transmission shaft, the transmission shaft is connected with a rear axle, and the rear axle is connected with wheels through half shafts; the gear mechanism is also connected with the driving motor; and a generator device is arranged between the gear mechanism and the engine, and the generator device is connected with the engine through a clutch.
Further, the generator device comprises a generator and a generator shaft, one end of the clutch is connected with the generator shaft, and the other end of the clutch is connected with the input shaft.
Further, the input shaft is connected with an engine output shaft of the engine.
Further, the gear mechanism comprises an input shaft and an intermediate shaft, the input shaft is connected with a first-gear driving gear and a second-gear driving gear through needle bearings respectively, a first-gear driven gear, a second-gear driven gear and a main reduction driving gear are fixedly connected to the intermediate shaft, the first-gear driving gear is meshed with the first-gear driven gear, the second-gear driving gear is meshed with the second-gear driven gear, the main reduction driving gear is meshed with the main reduction driven gear, the main reduction driven gear is fixedly connected with an output shaft, and the output shaft is connected with the transmission shaft.
Further, the first-gear driven gear is further meshed with a driving gear of the driving motor, and the driving gear of the driving motor is fixedly connected with a driving motor shaft of the driving motor.
Further, the synchronizer power shifting device is arranged between the first-gear driving gear and the second-gear driving gear and is used for realizing gear switching between the first gear and the second gear.
Further, the synchronizer power gear shifting device is a sliding sleeve type gear shifting device.
Further, a differential mechanism is arranged in the rear axle and is used for realizing the differential speed of two wheels.
Advantageous effects
According to the novel longitudinal structure driving device for the hybrid power assembly, provided by the utility model, the hybrid power series-parallel connection function can be realized through coordinated control of the engine, the generator, the driving motor, the synchronizer power gear shifting device and the clutch device. The engine has two mechanical gears, and the oil consumption can be reduced on the premise of greatly improving the dynamic property by considering the working conditions of low speed and high speed. The rear drive structure of the device has novel structure, is simple and compact, occupies small space and can be used for rear drive carrying of passenger cars and commercial cars; the engine device is matched with the synchronizer power gear shifting device, so that high and low gears are selected, and better dynamic property and fuel economy are achieved; the generator is controlled by the clutch, and the clutch can be disconnected under the unnecessary condition, so that the load of the engine can be reduced, and the fuel economy is greatly improved; the synchronizer power gear shifting device can realize uninterrupted gear shifting by driving the motor device to regulate the speed. In addition, the device has novel structure, is simple and compact, occupies small space and can be used for rear drive structures of passenger cars and commercial vehicles; the engine is matched with the synchronizer power gear shifting device, and has high and low gears for selection, so that better dynamic property and fuel economy are achieved; the synchronizer power gear shifting device can realize uninterrupted gear shifting by driving the motor to regulate the speed; the manufacturing and maintenance cost is low, and the method is suitable for large-scale mass production.
Drawings
FIG. 1 is a schematic diagram of a novel hybrid powertrain longitudinal drive assembly according to the present utility model;
FIG. 2 is a schematic diagram of a gear mechanism in a novel hybrid powertrain longitudinal drive arrangement according to the present utility model;
fig. 3 is a schematic structural diagram of a power generation device in a novel hybrid power assembly longitudinal structure driving device according to the present utility model.
The graphic indicia:
1-an engine and 101-an engine output shaft;
a 2-clutch;
3-generator means, 301-generator, 302-generator shaft;
4-gear mechanism, 401-first gear driving gear, 402-first gear driven gear, 403-second gear driving gear, 404-second gear driven gear, 405-main reducing driving gear, 406-main reducing driven gear, 407-driving motor driving gear, 408-input shaft, 409-intermediate shaft, 410-driving motor shaft, 411-output shaft;
5-synchronizer power shift device; 6-driving a motor; 7-a transmission shaft; 8-a rear axle; 9-half shafts; 10-wheels.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the scheme provides a novel hybrid power assembly longitudinal structure driving device, which comprises an engine 1, a driving motor 6, a rear axle 8 and wheels 10; the engine 1 is connected with an input shaft 408 of a gear mechanism 4, a synchronizer power gear shifting device 5 is arranged on the input shaft 408, an output shaft 411 of the gear mechanism 4 is connected with a transmission shaft 7, the transmission shaft 7 is connected with a rear axle 8, and the rear axle 8 is connected with wheels 10 through a half shaft 9; the gear mechanism 4 is also connected with the driving motor 6; a generator device 3 is further provided between the gear mechanism 4 and the engine 1, and the generator device 3 is connected to the engine 1 through a clutch 2. According to the scheme, the clutch elements are respectively arranged at the power input end of the engine, the gear shifting elements are arranged at the power input end of the engine, so that the power is not interrupted, the hybrid power series-parallel mode can be realized, the gear mechanism transmits power to the rear axle through the transmission shaft to drive the vehicle, the dynamic property, the operability and the economical efficiency of the vehicle are improved, and the driving experience is improved.
Specifically, the generator device 3 is connected to the engine 1 via a clutch 2, and generates electricity;
the engine 1 is connected with the gear mechanism 4 through a synchronizer power gear shifting device 5, and power is transmitted to a rear axle 8 through a transmission shaft 7 and is transmitted through a half axle 9 to realize direct driving of the engine;
the engine 1 and the driving motor 6 transmit power to the transmission shaft 7 through the gear mechanism 4, and then transmit power to the rear axle 8 through the transmission shaft 7, the rear axle 8 comprises a differential mechanism to realize a two-wheel differential function, and the rear axle 8 transmits power to the half axle 9 to realize a vehicle running function.
The driving motor 6 is directly connected through the gear mechanism 4, and is used for transmitting power to the rear axle 8 through the transmission shaft 7 and transmitting power through the half axle 9 to realize pure electric driving;
the synchronizer power shift device 5 includes: a first-gear combining tooth, a second-gear combining tooth, a synchronizer gear hub, a synchronizer cone ring, a synchronizer gear sleeve and a gear shifting fork; the synchronizer gear hub is fixed on the input shaft 408, and the synchronizer gear sleeve is meshed with the synchronizer gear hub through a sliding spline to transmit torque and can axially slide under the pushing of a gear shifting fork to realize the switching of two gears of the engine. The synchronizer power shifting device 5 and the clutch 2 can respectively realize series-parallel operation of the power assembly box, can meet the requirements of pure electric driving of the driving motor under urban congestion working conditions, direct driving of the engine under high-speed working conditions, parallel driving of the engine and the driving motor under acceleration working conditions and series driving of the generator device and the driving motor under feeding working conditions.
Specifically, the engine 1 is connected with the synchronizer power gear shifting device 5, the synchronizer gear sleeve can be adjusted to realize that the first gear and the second gear are switched to transmit power to the transmission shaft 7, then the transmission shaft 7 transmits power to the rear axle 8, the rear axle 8 comprises a differential mechanism to realize a two-wheel differential function, and the rear axle 8 transmits power to the half axle 9 to realize a vehicle running function.
The clutch 2 can be disconnected under the acceleration working condition, and the synchronizer power shifting device 5 is connected with a first gear and works together with the driving motor 6 to realize torque increase;
the clutch 2 can be disconnected under the high-speed working condition, and the synchronizer power shifting device 5 is connected with a second-gear direct-drive vehicle to realize fuel economy.
The engine 1 can be connected with the generator device 3 through the clutch 2 to realize engine starting, a starter can be omitted, and the cost of the whole vehicle is saved.
The driving motor 6 transmits power to the transmission shaft 7 through the gear mechanism 4, and then transmits power to the rear axle 8 through the transmission shaft 7, the rear axle 8 comprises a differential mechanism to realize a two-wheel differential function, and the rear axle 8 transmits power to the half axle 9 to realize the pure electric working condition of the vehicle.
When the engine 1 is started under acceleration or other torque-up working conditions, the synchronizer power gear shifting device 5 is connected with a first gear, and the engine 1 and the driving motor 6 are in parallel connection.
In the feeding state, the engine 1 is started, the generator device 3 can be connected through the clutch 2 to generate electricity, electric energy can be directly supplied to the driving motor 6 through a converter, and redundant electric energy is stored in a battery to realize series operation.
As shown in fig. 3, the generator device 3 in this embodiment includes a generator 301 and a generator shaft 302, one end of the clutch 2 is connected to the generator shaft 302, the other end is connected to the input shaft 408, and the input shaft 408 is connected to the engine output shaft 101 of the engine 1. The generator device 3 is connected to and disconnected from the engine 1 by a clutch 2.
One end of the clutch 2 is fixedly connected with the input shaft 408, the other end of the clutch 2 is connected with the generator device 3, and the clutch 2 comprises a clutch piston, a clutch return spring and a clutch friction plate, wherein the clutch friction plate is used for transmitting torque and realizing a power generation function.
Specifically, the generator device 3 may realize whether to generate electricity through the clutch 2, and when the vehicle is directly driven at a high speed, the clutch 2 may be disconnected to reduce the load of the engine 1, thereby realizing fuel economy. The generator 301 is fixedly connected to the generator shaft 302, one end of the clutch 2 is fixedly connected to the generator shaft 302, and the piston is pushed by the hydraulic cylinder in the clutch 2 to enable the friction plate to bear force, so that torque is transmitted to the generator shaft 302, and the generator 301 is driven to generate electricity.
As shown in fig. 2, the gear mechanism 4 in this embodiment includes an input shaft 408 and an intermediate shaft 409, the input shaft 408 is connected with a first gear driving gear 401 and a second gear driving gear 403 through needle bearings, the intermediate shaft 409 is fixedly connected with a first gear driven gear 402, a second gear driven gear 404 and a main reducing driving gear 405, the first gear driving gear 401 is meshed with the first gear driven gear 402, the second gear driving gear 403 is meshed with the second gear driven gear 404, the main reducing driving gear 405 is meshed with a main reducing driven gear 406, the main reducing driven gear 406 is fixedly connected with an output shaft 411, and the output shaft 411 is connected with the transmission shaft 7.
The first-gear driven gear 402 is further meshed with a driving motor driving gear 407, and the driving motor driving gear 407 is fixedly connected with a driving motor shaft 410 of the driving motor 6 to drive the gear mechanism 4 to achieve a pure electric working condition.
The synchronizer power shifting device 5 is arranged between the first gear driving gear 401 and the second gear driving gear 403, and is used for realizing gear shifting between the first gear and the second gear.
Specifically, the synchronizer power gear shifting device 5 pushes the synchronizer gear sleeve to connect the first-gear driving gear 401 and the second-gear driving gear 403 through a gear shifting fork so as to realize a gear shifting function. The synchronizer power shifting device 5 in this embodiment is preferably a sliding sleeve type shifting device, and includes a first gear combining tooth, a second gear combining tooth, a synchronizer gear hub, a synchronizer cone ring, a synchronizer gear sleeve and a shifting fork. The first gear combining tooth is fixedly connected with the first gear driving gear 401, the second gear combining tooth is fixedly connected with the second gear driving gear 403, the synchronizer gear hub is fixedly connected with the input shaft 408, the first gear driving gear 401 and the second gear driving gear 403 are mounted on the input shaft 408 through needle bearings, and the synchronizer gear sleeve is meshed with the synchronizer gear hub through sliding splines to transmit torque and can axially slide under the pushing of the gear shifting fork.
When the synchronizer power shifting device 5 shifts between two gears, the driving motor 6 can adjust the rotating speed to realize the uninterrupted shifting of the synchronizer power shifting device 5.
The above description is for the purpose of illustrating the embodiments of the present utility model and is not to be construed as limiting the utility model, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the utility model.
Claims (8)
1. The novel hybrid power assembly longitudinal structure driving device is characterized by comprising an engine (1), a driving motor (6), a rear axle (8) and wheels (10); the engine (1) is connected with an input shaft (408) of a gear mechanism (4), a synchronizer power shifting device (5) is arranged on the input shaft (408), an output shaft (411) of the gear mechanism (4) is connected with a transmission shaft (7), the transmission shaft (7) is connected with a rear axle (8), and the rear axle (8) is connected with wheels (10) through a half shaft (9); the gear mechanism (4) is also connected with the driving motor (6); a generator device (3) is further arranged between the gear mechanism (4) and the engine (1), and the generator device (3) is connected with the engine (1) through a clutch (2).
2. The novel hybrid powertrain longitudinal structure driving device according to claim 1, wherein the generator device (3) comprises a generator (301) and a generator shaft (302), one end of the clutch (2) is connected with the generator shaft (302), and the other end is connected with the input shaft (408).
3. A novel hybrid powertrain longitudinal drive arrangement according to claim 2, characterized in that the input shaft (408) is connected with the engine output shaft (101) of the engine (1).
4. The novel hybrid power assembly longitudinal structure driving device according to claim 2, wherein the gear mechanism (4) comprises an input shaft (408) and an intermediate shaft (409), the input shaft (408) is connected with a first-gear driving gear (401) and a second-gear driving gear (403) through needle bearings respectively, the intermediate shaft (409) is fixedly connected with a first-gear driven gear (402), a second-gear driven gear (404) and a main reduction driving gear (405), the first-gear driving gear (401) is meshed with the first-gear driven gear (402), the second-gear driving gear (403) is meshed with the second-gear driven gear (404), the main reduction driving gear (405) is meshed with a main reduction driven gear (406), the main reduction driven gear (406) is fixedly connected with the output shaft (411), and the output shaft (411) is connected with the transmission shaft (7).
5. The novel hybrid power assembly longitudinal structure driving device according to claim 4, wherein the first-gear driven gear (402) is further meshed with a driving motor driving gear (407), and the driving motor driving gear (407) is fixedly connected with a driving motor shaft (410) of the driving motor (6).
6. The novel hybrid powertrain longitudinal structure driving device according to claim 4, wherein the synchronizer power shifting device (5) is disposed between the first gear driving gear (401) and the second gear driving gear (403) for realizing gear shifting between the first gear and the second gear.
7. The novel hybrid powertrain longitudinal structure driving device according to claim 6, wherein the synchronizer power shifting device (5) is a sliding sleeve type shifting device.
8. The novel hybrid powertrain longitudinal drive according to claim 1, characterized in that a differential is provided in the rear axle (8) for realizing a two-wheel differential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157586.3U CN219789894U (en) | 2023-05-15 | 2023-05-15 | Novel hybrid power assembly longitudinally-arranged structure driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157586.3U CN219789894U (en) | 2023-05-15 | 2023-05-15 | Novel hybrid power assembly longitudinally-arranged structure driving device |
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| Publication Number | Publication Date |
|---|---|
| CN219789894U true CN219789894U (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321157586.3U Active CN219789894U (en) | 2023-05-15 | 2023-05-15 | Novel hybrid power assembly longitudinally-arranged structure driving device |
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| Country | Link |
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| CN (1) | CN219789894U (en) |
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2023
- 2023-05-15 CN CN202321157586.3U patent/CN219789894U/en active Active
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