CN117704029A - Rear main speed reducer assembly integrating torque manager and differential lock - Google Patents
Rear main speed reducer assembly integrating torque manager and differential lock Download PDFInfo
- Publication number
- CN117704029A CN117704029A CN202311738543.9A CN202311738543A CN117704029A CN 117704029 A CN117704029 A CN 117704029A CN 202311738543 A CN202311738543 A CN 202311738543A CN 117704029 A CN117704029 A CN 117704029A
- Authority
- CN
- China
- Prior art keywords
- final drive
- torque
- differential lock
- torque manager
- suspension
- Prior art date
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 31
- 239000000725 suspension Substances 0.000 claims description 45
- 230000005540 biological transmission Effects 0.000 abstract description 23
- 230000007246 mechanism Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The application relates to the technical field of automobile transmission systems, and discloses a rear main reducer assembly integrating a torque manager and a differential lock, comprising: a rear final drive; a torque manager mounted at an input of the rear final drive; the electronic limited slip differential lock is arranged at the output end of the rear main speed reducer, a left rear output shaft and a right rear output shaft are symmetrically arranged at the output end of the rear main speed reducer, and the right rear output shaft penetrates through the center of the electronic limited slip differential lock. The four-wheel drive system can not only adjust the distribution of front and rear axle torque of the four-wheel drive system, but also realize the distribution of left and right rear driving wheel torque, and improve the traction, escaping and stability of the whole vehicle.
Description
Technical Field
The present application relates to the technical field of automotive drive trains, for example, to a rear final drive assembly integrating a torque manager and a differential lock.
Background
The automobile transmission system consists of a series of crankshafts, flywheels, clutches, speed variators, transmission shafts, drive axles and the like with elasticity and rotational inertia. The power is output by the engine, and is transmitted to the driving wheels through the clutch, the transmission shaft, the main speed reducer, the differential mechanism and the half shaft after torque and speed are increased and changed. The main application functions of the device include a function of promoting the starting of the automobile, a speed changing function, a main speed reducing function, a differential speed function and other different application functions, and the device can change the traction force and the running speed of the automobile in the running process sufficiently, so that the running automobile can be ensured to run and drive more safely and stably smoothly.
The rear main speed reducer assembly of the four-wheel drive system can generally adjust the distribution of the front axle torque and the rear axle torque of the four-wheel drive system through a torque manager, but the distribution of the left and right rear driving wheel torques cannot be realized. It is therefore necessary to design a rear final drive assembly that integrates a torque manager and a differential lock.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
Embodiments of the present disclosure provide a rear final drive assembly integrating a torque manager and a differential lock, comprising:
a rear final drive;
a torque manager mounted at an input of the rear final drive;
the electronic limited slip differential lock is arranged at the output end of the rear main speed reducer.
Further, the output end of the rear main speed reducer is symmetrically provided with a left rear output shaft and a right rear output shaft, and the right rear output shaft penetrates through the center of the electronic limited slip differential speed lock.
Further, an output of the torque manager is coupled to an input of the rear final drive.
Further, the input end of the torque manager is connected with the middle transmission shaft.
Further, a differential mechanism is arranged in the rear main speed reducer, and the differential mechanism is in transmission connection with the electronic limited slip differential lock.
Further, the differential mechanism in the rear main speed reducer adopts an open structure.
Further, a first suspension, a second suspension, a third suspension and a fourth suspension are arranged around the rear main speed reducer, and the first suspension, the second suspension, the third suspension and the fourth suspension are connected with the auxiliary frame.
Further, the first suspension, the second suspension, the third suspension and the fourth suspension are distributed around the rear final drive in a rectangular shape.
The embodiment of the disclosure provides a rear main speed reducer assembly integrating a torque manager and a differential lock, which can realize the following technical effects:
the four-wheel drive system can not only adjust the distribution of front and rear axle torque of the four-wheel drive system, but also realize the distribution of left and right rear driving wheel torque, and improve the traction, escaping and stability of the whole vehicle.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic overall perspective view of a rear final drive assembly incorporating a torque manager and a differential lock provided in accordance with an embodiment of the present disclosure;
FIG. 2 is a schematic perspective view of a torque manager of a rear final drive assembly incorporating a torque manager and a differential lock provided in an embodiment of the present disclosure;
FIG. 3 is a schematic perspective view of an electronic limited slip differential lock incorporating a torque manager and rear final drive assembly for the differential lock provided in accordance with an embodiment of the present disclosure;
FIG. 4 is a schematic perspective view of a rear final drive assembly incorporating a torque manager and a differential lock provided in an embodiment of the present disclosure.
In the figure: 1. a rear final drive; 2. a torque manager; 3. an electronic limited slip differential lock; 4. a first suspension; 5. a second suspension; 6. a third suspension; 7. a fourth suspension; 8. a left rear output shaft; 9. a right rear output shaft; 10. and an intermediate transmission shaft.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
As shown in connection with fig. 1, 2, 3 and 4, embodiments of the present disclosure provide a rear final drive assembly integrating a torque manager and a differential lock, comprising:
a rear final drive 1; the output end of the rear main speed reducer 1 is symmetrically provided with a left rear output shaft 8 and a right rear output shaft 9, and the right rear output shaft 9 passes through the center of the electronic limited slip differential lock 3;
a torque manager 2, said torque manager 2 being mounted at an input of said rear final drive 1; the output end of the torque manager 2 is connected with the input end of the rear main speed reducer 1; the input end of the torque manager 2 is connected with the middle transmission shaft 10, the torque transmitted by the engine is transmitted to the torque manager 2 through the middle transmission shaft 10, the torque manager 2 can automatically judge according to different driving modes, the torque transmitted to the rear main speed reducer 1 is changed, the rear main speed reducer 1 receives the torque input through the torque manager 2, the torque is amplified and the transmission direction is changed, and the torque is transmitted to the left rear output shaft 8 and the right rear output shaft 9, so that the distribution of the torque of the left rear driving wheel and the right rear driving wheel is realized, and the traction, the getting rid of poverty and the stability of the whole vehicle are improved;
an electronic limited slip differential lock 3, the electronic limited slip differential lock 3 being mounted at the output of the rear final drive 1; the inside of back main reducer 1 is provided with the differential mechanism, just the differential mechanism is connected with the transmission of electron limited slip differential lock 3, and electron limited slip differential lock 3 is connected with the differential mechanism in the back main reducer 1, can carry out automatic judgement according to different driving modes, and the moment of torsion of transmission back drive wheel about to also can monitor the wheel condition of skidding, carries out the moment of torsion distribution between the back drive wheel about.
In some embodiments of the present invention, the output end of the rear final drive 1 is symmetrically provided with a left rear output shaft 8 and a right rear output shaft 9, and the right rear output shaft 9 passes through the center of the electronic limited slip differential lock 3, and the rear final drive 1 receives the torque input through the torque manager 2, amplifies the torque, changes the transmission direction, and transmits the amplified torque to the left rear output shaft 8 and the right rear output shaft 9, and finally transmits the amplified torque to wheels.
In some embodiments of the present invention, the output end of the torque manager 2 is connected with the input end of the rear final drive 1, the torque manager 2 can automatically determine according to different driving modes, and the torque transmitted to the rear final drive 1 is changed, so as to realize the distribution of the torques of the left and right rear driving wheels.
In some embodiments of the present invention, the input end of the torque manager 2 is connected with the intermediate transmission shaft 10, and the torque transmitted by the engine is transmitted to the torque manager 2 through the intermediate transmission shaft 10.
In some embodiments of the present invention, a differential is disposed inside the rear final drive 1, and the differential is in driving connection with an electronic limited slip differential lock 3, and the electronic limited slip differential lock 3 automatically determines according to different driving modes, changes the torque transmitted to the rear wheels, and also monitors the wheel slip condition to perform torque distribution between the left and right wheels.
In some embodiments of the present invention, the differential mechanism in the rear final drive 1 adopts an open structure, so that the left and right rear driving wheels can operate at different rotation speeds.
In some embodiments of the present invention, a first suspension 4, a second suspension 5, a third suspension 6 and a fourth suspension 7 are installed around the rear final drive 1, and the first suspension 4, the second suspension 5, the third suspension 6 and the fourth suspension 7 are connected with the auxiliary frame to ensure the stability of the rear final drive 1 fixed on the auxiliary frame.
In some embodiments of the present invention, the first suspension 4, the second suspension 5, the third suspension 6 and the fourth suspension 7 are rectangular and distributed around the rear final drive 1, so as to ensure the stability of the rear final drive 1 fixed on the subframe.
As shown in fig. 1 and 4, the main body part of the rear main speed reducer is a rear main speed reducer 1, two cylindrical left rear output shafts 8 and right rear output shafts 9 are symmetrically arranged at the output end sides of the rear main speed reducer 1, the left rear output shafts 8 and the right rear output shafts 9 are respectively connected with left rear wheels and right rear wheels, the rear main speed reducer 1 receives the torque input through a torque manager 2, amplifies the torque and changes the transmission direction to be transmitted to the left rear output shafts 8 and the right rear output shafts 9, and finally the torque is transmitted to wheels, four first suspensions 4, second suspensions 5, third suspensions 6 and fourth suspensions 7 are respectively arranged at the periphery of the rear main speed reducer 1, the rear main speed reducer 1 is connected with a subframe through the first suspensions 4, the second suspensions 5, the third suspensions 6 and the fourth suspensions 7, the stability of the rear main speed reducer 1 is guaranteed, as shown in fig. 2, the output end of the torque manager 2 is connected with the input end of the rear main speed reducer 1, the input end of the torque manager 2 is connected with an intermediate transmission shaft 10, the input end of the torque manager 2 is connected with the intermediate transmission shaft 10, the engine is also connected with the intermediate transmission shaft 10, the torque manager is connected with the differential 2 through the intermediate transmission shaft 3, and the differential is also connected with the differential 1, the differential is not in an electronic slip mode, and the differential is in a slip mode, and the differential is not in the automatic mode is in accordance with the automatic mode, and the automatic mode is in which the automatic mode, the automatic mode is in which the transmission is in which the torque is in the speed reducer is in the mode, and the slip mode is monitored.
As shown in fig. 1, 2, 3 and 4, the torque transmitted by the engine is transmitted to the torque manager 2 through the intermediate transmission shaft 10, the torque manager 2 automatically judges according to different driving modes, the torque transmitted to the rear main speed reducer 1 is changed, the rear main speed reducer 1 receives the torque input through the torque manager 2, amplifies the torque and changes the transmission direction and transmits the torque to the left rear output shaft 8 and the right rear output shaft 9, so that the torque distribution of the left rear driving wheel and the right rear driving wheel is realized, and the traction, the getting rid of poverty and the stability of the whole vehicle are improved; meanwhile, the electronic limited slip differential lock 3 is connected with a differential mechanism in the rear main speed reducer 1, can automatically judge according to different driving modes, changes torque transmitted to the left and right rear driving wheels, can monitor wheel slip conditions, and distributes torque between the left and right rear driving wheels.
The invention achieves the following steps: the four-wheel drive system can not only adjust the distribution of front and rear axle torque of the four-wheel drive system, but also realize the distribution of left and right rear driving wheel torque, and improve the traction, escaping and stability of the whole vehicle.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (8)
1. A rear final drive assembly integrating a torque manager and a differential lock, comprising:
a rear final drive (1);
a torque manager (2), the torque manager (2) being mounted at an input of the rear final drive (1);
an electronic limited slip differential lock (3), the electronic limited slip differential lock (3) being mounted at the output of the rear final drive (1).
2. A rear final drive assembly integrating a torque manager and a differential lock as claimed in claim 1, wherein the output end of the rear final drive (1) is symmetrically mounted with a left rear output shaft (8) and a right rear output shaft (9), and the right rear output shaft (9) passes through the centre of the electronic limited slip differential lock (3).
3. A rear final drive assembly integrating a torque manager and a differential lock as claimed in claim 1, wherein the output of the torque manager (2) is coupled to the input of the rear final drive (1).
4. A rear final drive assembly integrating a torque manager and a differential lock as claimed in claim 3, wherein the input of the torque manager (2) is connected to an intermediate drive shaft (10).
5. A rear final drive assembly integrating a torque manager and a differential lock according to claim 1, characterized in that the rear final drive (1) is internally provided with a differential and in that the differential is in driving connection with an electronic limited slip differential lock (3).
6. A rear final drive assembly integrating a torque manager and a differential lock as claimed in claim 5, wherein the differential within the rear final drive (1) is of an open architecture.
7. A rear final drive assembly integrating a torque manager and a differential lock as claimed in claim 1, wherein a first suspension (4), a second suspension (5), a third suspension (6) and a fourth suspension (7) are mounted around the rear final drive (1), said first suspension (4), second suspension (5), third suspension (6) and fourth suspension (7) being connected to the subframe.
8. A rear final drive assembly as claimed in claim 7, wherein the first (4), second (5), third (6) and fourth (7) suspensions are rectangular in shape distributed around the rear final drive (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311738543.9A CN117704029A (en) | 2023-12-15 | 2023-12-15 | Rear main speed reducer assembly integrating torque manager and differential lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311738543.9A CN117704029A (en) | 2023-12-15 | 2023-12-15 | Rear main speed reducer assembly integrating torque manager and differential lock |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117704029A true CN117704029A (en) | 2024-03-15 |
Family
ID=90151203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311738543.9A Pending CN117704029A (en) | 2023-12-15 | 2023-12-15 | Rear main speed reducer assembly integrating torque manager and differential lock |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117704029A (en) |
-
2023
- 2023-12-15 CN CN202311738543.9A patent/CN117704029A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108266512B (en) | Centralized full-time electric four-wheel drive system | |
US7186199B1 (en) | Torque vectoring gear drive apparatus | |
CN101519040B (en) | Double-motor skidproof differential drive axle of electric automobile | |
JP2008513266A (en) | Powertrain and powertrain control method | |
EP1288054B1 (en) | A wheel end apparatus | |
US20210039492A1 (en) | An electric axle assembly | |
CN108297620B (en) | Torque directional distribution electric drive axle based on double-rotor motor | |
CN117704029A (en) | Rear main speed reducer assembly integrating torque manager and differential lock | |
US20130139626A1 (en) | Power-economizing, integral electric vehicle drive mechanism with independent rear suspension for an electric vehicle with a multi-speed transmission capable of multiplying the torque of the electric motor at low speeds | |
JP2007515336A (en) | Four-wheel drive vehicle drive system | |
US20050087380A1 (en) | Variator in a four wheel drive | |
US20040011572A1 (en) | Vehicle dynamic ride control | |
CN112046201A (en) | Electric automobile drive axle for realizing torque distribution control and control method thereof | |
CN218054841U (en) | Hybrid power chassis power system | |
JP2003130182A (en) | Full-time interlock type universal differential gear | |
US20170299036A1 (en) | Vehicle differential assembly | |
KR101114391B1 (en) | Transfer case for 4wd system based on front engine front drive | |
US20100063701A1 (en) | Brake based viscous coupling alternative vehicle differential | |
JPH02221743A (en) | Power transmission | |
JPS58178040A (en) | Diff lock apparatus | |
CN212098423U (en) | Double-shaft all-wheel distributed driving power system configuration of electric automobile | |
JPH0195941A (en) | Power transmitting gear for for four-wheel-drive vehicle | |
JPH0699750A (en) | Differential mechanism for automobile and automobile and electric automobile employing the mechanism | |
CN1233528C (en) | Rear feedthrough shaft differential transmission | |
JP2802309B2 (en) | Power distribution control device for four-wheel drive vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |