CN107763163B - Transmission system and vehicle with same - Google Patents
Transmission system and vehicle with same Download PDFInfo
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- CN107763163B CN107763163B CN201710859055.1A CN201710859055A CN107763163B CN 107763163 B CN107763163 B CN 107763163B CN 201710859055 A CN201710859055 A CN 201710859055A CN 107763163 B CN107763163 B CN 107763163B
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- transmission
- shaft
- parking
- differential
- output shaft
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
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- 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
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
- F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
- F16H63/3466—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire using electric motors
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- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- 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
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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- 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
- F16H2312/00—Driving activities
- F16H2312/12—Parking
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Retarders (AREA)
Abstract
A transmission system and a vehicle with the same are provided, the transmission system comprises a transmission input shaft, a transmission output shaft, a transmission gear set, a differential mechanism, driving half shafts, a parking ratchet wheel and a parking mechanism, the transmission input shaft is connected with the transmission output shaft through the transmission gear set, the transmission output shaft is connected with the differential mechanism through the differential gear set, the driving half shafts are arranged on two sides of the differential mechanism, the driving half shafts located on one side, facing the input shaft, of the differential mechanism penetrate through the transmission input shaft and are coaxially arranged with the transmission input shaft, the differential mechanism, the transmission output shaft and the transmission gear set enclose a layout space, the parking ratchet wheel is arranged on the transmission output shaft, and the parking mechanism is arranged in. The transmission system has a compact structure, can optimize space utilization, and has high efficiency and wide application range.
Description
Technical Field
The invention relates to the field of automobile transmissions, in particular to a transmission system and a vehicle with the same.
Background
The current automobile industry takes energy conservation and emission reduction as a development direction, new energy automobiles such as hybrid electric vehicles and pure electric vehicles become the mainstream development direction of the automobiles, in the development process of the new energy automobiles, the performance requirements of consumers on the automobiles are higher and higher, and correspondingly, the design requirements of production enterprises on new energy automobile transmissions are stricter and stricter. New energy vehicles, especially pure electric vehicles, put forward higher requirements on light weight, miniaturization and excellent spatial layout characteristics of a transmission system, so that single-gear electrically-driven transmissions with high efficiency, high comfort, high torque density and compact structure gradually become development trends.
The driving bridge is gradually widely applied to hybrid electric vehicles and pure electric vehicles, and the important requirements of the motor and reducer integrated driving bridge are small size, flexible arrangement, high torque density, fast response and high efficiency, so that great requirements are provided for the overall layout, and the optimal utilization of space is required to be realized by the design of a transmission and a motor. However, the conventional transmission system cannot meet the requirements of a plurality of novel electric and hybrid platform vehicle types in space.
Disclosure of Invention
The invention aims to provide a transmission system and a vehicle with the same, wherein the transmission system is compact in structure, high in efficiency and wide in application range, and space utilization can be optimized.
The invention provides a transmission system which comprises a transmission input shaft, a transmission output shaft, a transmission gear set, a differential mechanism, a drive half shaft, a parking ratchet wheel and a parking mechanism, wherein the transmission input shaft is connected with the transmission output shaft through the transmission gear set, the transmission output shaft is connected with the differential mechanism through the differential gear set, the drive half shaft is arranged on two sides of the differential mechanism, the drive half shaft positioned on one side of the differential mechanism facing the input shaft penetrates through the transmission input shaft and is coaxially arranged with the transmission input shaft, the differential mechanism, the transmission output shaft and the transmission gear set enclose a layout space, the parking ratchet wheel is arranged on the transmission output shaft, the parking mechanism is arranged in the layout space, and the parking mechanism comprises an actuating motor, a rotating shaft, a rotating hub and a rotating shaft, The device comprises a transmission lever, a support shaft, a parking pawl and a propelling component; the actuating motor is connected with the rotating hub through the rotating shaft and drives the rotating hub to rotate around the axis of the rotating hub through the rotating shaft; one end of the transmission lever is connected with the side surface of the rotating hub through a guide rail and a sliding block in a matching mode, the guide rail is distributed along the circumferential direction of the rotating hub, and the transmission lever can move between a first position close to the motor and a second position far away from the motor under the driving of the rotating hub; the supporting shaft is arranged on the transmission lever, the supporting shaft is fixed on a static part of the transmission system, and the transmission lever can swing around the supporting shaft; the second end of transmission lever with impel the subassembly and link to each other, be provided with spacing face on the parking pawl, impel the subassembly with the cooperation of spacing face is in order to promote the parking pawl with parking ratchet wheel meshing, parking ratchet wheel reaches the parking pawl set up in differential gear set keeps away from one side of transmission gear group, the hub reaches the transmission lever set up in parking ratchet wheel with between the transmission gear group.
Further, a supporting plate is arranged between the transmission gear set and the differential gear set, the parking mechanism is arranged on one side, facing the transmission output shaft, of the differential gear, and the supporting plate faces one side of the differential gear set.
Further, impel the subassembly including impel spring, spring mandrel and toper pressure head, spring mandrel's one end is fixed in the drive lever is kept away from one of commentaries on classics hub is served, impel spring's one end with the drive lever is kept away from the one end of changeing the hub links to each other, impel spring's the other end with the toper pressure head links to each other, the toper pressure head with impel the spring and all overlap and locate on the spring mandrel, the outer peripheral face of toper pressure head is partly of circular cone, parking ratchet's spacing face is suitable for the end the outer peripheral face of toper pressure head.
Furthermore, the propelling assembly further comprises a guide block, the guide block is fixed on a static part of the transmission system, and the conical pressure head extends into the guide block.
Further, the guide rail on the rotary hub is formed by downwards recessing the side surface of the rotary hub, the recess extends along the circumferential direction of the rotary hub, and the recess is formed with a first recessed section close to the execution motor and a second recessed section far away from the execution motor.
Further, the axis of the rotating shaft is parallel to the axis of the transmission output shaft, and the swinging plane of the transmission lever is parallel to the axis of the transmission output shaft.
Further, the transmission gear set comprises a transmission driving gear and a transmission driven gear, the transmission driving gear is arranged on the transmission input shaft, the transmission driven gear is arranged on the transmission output shaft, the transmission driving gear is meshed with the transmission driven gear, the differential gear set comprises a speed reduction driving gear and a speed reduction driven gear, the speed reduction driving gear is fixed on the transmission output shaft, the speed reduction driven gear is fixed on the differential gear, and the speed reduction driving gear is meshed with the speed reduction driven gear.
The invention further provides a vehicle comprising the transmission system, wherein the transmission system is any one of the transmission systems provided by the invention.
In conclusion, the power input and the power output are arranged on the same axis, the parking mechanism of the actuating motor and the rotating hub is adopted, the middle supporting plate is reasonably arranged between the differential mechanism and the transmission input shaft, and the parking mechanism can be hidden at one side of the transmission gear set, so that the structure of the transmission system is more compact, the space utilization is optimized, the efficiency is high, and the application range is very wide.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a transmission system provided by the present invention.
FIG. 2 is a schematic front view of the transmission system of FIG. 1 without the parking mechanism, support plate and drive axle shaft.
Fig. 3 is a schematic view of the overall structure of the transmission system shown in fig. 1.
Fig. 4 is a schematic structural diagram of the parking mechanism in fig. 3.
Fig. 5 is a schematic structural diagram of the parking mechanism in fig. 4 from another view after the actuator and the rotating shaft are omitted.
FIG. 6 is a schematic illustration of the assembled powertrain and transmission housing of FIG. 1.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
The invention aims to provide a transmission system and a vehicle with the same, wherein the transmission system is compact in structure, high in efficiency and wide in application range, and space utilization can be optimized.
Fig. 1 is a partial sectional structural view of a transmission system provided by the present invention, fig. 2 is a front view of the transmission system shown in fig. 1 without a parking mechanism, a support plate and a drive half shaft, and fig. 3 is a whole structural view of the transmission system shown in fig. 1. As shown in fig. 1 to 3, the transmission system includes a transmission input shaft 11, a transmission output shaft 12, a transmission gear set 21, a differential gear set 22, a differential 31, a driving half shaft 13, a parking ratchet wheel 23 and a parking mechanism 30, the transmission input shaft 11 is connected to the transmission output shaft 12 through the transmission gear set 21, the transmission output shaft 12 is connected to the differential 31 through the differential gear set 22, the differential 31 is disposed on one side of the transmission output shaft 12 facing the transmission input shaft 11, the driving half shafts 13 are disposed on both sides of the differential 31, and the driving half shaft 13 on one side of the differential 31 facing the transmission input shaft 11 is inserted into the transmission input shaft 11 and is disposed coaxially with the transmission input shaft 11. The differential 31, the transmission output shaft 12 and the transmission gear set 21 enclose a layout space, the parking ratchet wheel 23 is arranged on the transmission output shaft 12, and the parking mechanism 30 is arranged in the layout space.
In the present embodiment, the driving axle 13 on the side of the differential 31 facing the input shaft is inserted into the transmission input shaft 11 and is coaxially arranged with the transmission input shaft 11, so that the differential 31 is no longer arranged on the side of the transmission output shaft 12 away from the transmission input shaft 11, but arranged on the side of the transmission output shaft 12 facing the transmission input shaft 11, which saves the arrangement space of the original differential 31 in the transmission system; further, the differential 31 is arranged on one side of the transmission output shaft 12 facing the transmission input shaft 11, and the driving half shaft 13 and the transmission input shaft 11 are coaxially arranged, so that the differential 31, the transmission output shaft 12 and the transmission gear set 21 enclose a layout space, the parking ratchet wheel 23 is arranged on the transmission output shaft 12, and the parking mechanism 30 can be arranged in the layout space, so that the structure of the transmission system is more compact, the occupied space of the transmission system is effectively reduced, the space utilization optimization can be realized, the efficiency is high, and the application range is wider.
In the present embodiment, the end of the drive axle 13 facing the differential 31 is in splined engagement with the side gear of the differential 31, and the end remote from the differential 31 is connected to the right hand wheel.
Further, the transmission system further comprises a power source 40 and a power source output shaft 14, the transmission input shaft 11 is sleeved on the power source output shaft 14, and specifically, the transmission input shaft 11 is sleeved on the power source output shaft 14 through an internal spline. The power source output shaft 14 is a hollow shaft, and the driving half shaft 13 penetrates through the power source output shaft 14 and the transmission input shaft 11 and then is connected with wheels.
Further, the transmission gear set 21 includes a transmission driving gear 211 and a transmission driven gear 212, the transmission driving gear 211 is disposed on the transmission input shaft 11, the transmission driven gear 212 is disposed on the transmission output shaft 12, and the transmission driving gear 211 is engaged with the transmission driven gear 212; the differential gear set 22 includes a reduction drive gear 221 and a reduction driven gear 222, the reduction drive gear 221 is fixed to the transmission output shaft 12, the reduction driven gear 222 is fixed to the differential 31, and the reduction drive gear 221 is engaged with the reduction driven gear 222.
When the power source output shaft 14 transmits power to the transmission input shaft 11, the transmission driving gear 211 on the transmission input shaft 11 rotates along with the transmission input shaft 11 and transmits the power to the transmission driven gear 212 engaged with the transmission driving gear, the transmission driven gear 212 and the reduction driving gear 221 are both arranged on the transmission output shaft 12, so that the power is further transmitted to the reduction driving gear 221 along with the transmission output shaft 12, the reduction driven gear 222 on the differential 31 is engaged with the reduction driving gear 221, the power further reaches the differential 31 through the reduction driven gear 222 and is finally transmitted to wheels on two sides through the two driving half shafts 13, and the vehicle can normally run.
Further, a support plate 20 is disposed between the drive gear set 21 and the differential gear set 22, a parking mechanism 30 is disposed on a side of the differential 31 facing the drive output shaft 12, and a side of the support plate 20 facing the differential gear set 22. The power input shaft rear bearing 141 and the differential front bearing 311 are both fixed to the support plate 20, and the support plate 20 is arranged in a manner such that the differential front bearing 311 and the power input shaft rear bearing 141 provide support.
Fig. 4 is a schematic structural diagram of the parking mechanism in fig. 3, and fig. 5 is a schematic structural diagram of the parking mechanism in fig. 4 from another view after an actuator and a rotating shaft are omitted. As shown in fig. 3 to 5, further, the parking mechanism 30 includes an actuating motor 31, a rotating shaft 32, a rotating hub 33, a transmission lever 34, a supporting shaft 35, a parking pawl 36 and a propelling assembly 37; the actuating motor 31 is connected with the rotating hub 33 through a rotating shaft 32, and the rotating hub 33 is driven to rotate around the axis of the rotating hub 33 through the rotating shaft 32; one end of the transmission lever 34 is connected with the side surface of the rotating hub 33 through the matching of the guide rail 331 and the sliding block 341, the guide rail 331 is arranged along the circumferential direction of the rotating hub 33, and the transmission lever 34 can move between a first position close to the motor and a second position far away from the motor under the driving of the rotating hub 33; the supporting shaft 35 is arranged on the transmission lever 34, the supporting shaft 35 is fixed on a static part of a transmission system through threaded connection, and the transmission lever 34 can swing around the supporting shaft 35; the second end of the transmission lever 34 is connected with a pushing component 37, a limiting surface is arranged on the parking pawl 36, and the pushing component 37 is matched with the limiting surface to push the parking pawl 36 to be meshed with the parking ratchet wheel 23.
Specifically, the propelling assembly 37 includes a propelling spring 371, a spring core 372 and a conical pressure head 373, one end of the spring core 372 is fixed to one end of the transmission lever 34 away from the rotating hub 33, one end of the propelling spring 371 is connected to one end of the transmission lever 34 away from the rotating hub 33, the other end of the propelling spring 371 is connected to the conical pressure head 373, the conical pressure head 373 and the propelling spring 371 are both sleeved on the spring core 372, the peripheral surface of the conical pressure head 373 is a part of a cone, and the limit surface of the parking pawl 36 is adapted to stop against the peripheral surface of the conical pressure head 373.
Further, propulsion assembly 37 further includes a guide block 374, guide block 374 secured to the stationary member of the drive train, and tapered ram 373 extending into guide block 374.
In this embodiment, the parking mechanism 30 adopts an integrated combination mechanism of the actuator 31 and the hub 33, and the cooperation of the guide rail 331 and the slider 341 can directly convert the rotation of the hub 33 in a three-dimensional space into the swing of the transmission lever 34 in a certain plane, so as to efficiently change the force transmission direction, further make the parking mechanism 30 and the transmission system more compact in structure, more reasonable in overall layout, and optimize the space utilization.
Further, the guide rail 331 on the hub 33 is formed by recessing the side surface of the hub 33 downward, the recess extending in the circumferential direction of the hub 33, the recess being formed with a first recessed section 3311 close to the actuator motor 31 and a second recessed section 3312 far from the actuator motor 31. The two recessed sections with different distances from the actuating motor 31 enable the transmission lever 34 to swing between the first position and the second position under the driving of the sliding block 341, so as to further operate the propelling assembly 37 to move, and thus complete parking.
Further, the parking ratchet wheel 23 and the parking pawl 36 are disposed on a side of the differential gear set 22 away from the transmission gear set 21, and the rotating hub 33 and the transmission lever 34 are disposed between the parking ratchet wheel 23 and the transmission gear set 21.
Further, the axis of the rotating shaft 32 is parallel to the axis of the transmission output shaft 12, the axis of the transmission output shaft 12 is parallel to the axis of the transmission input shaft 11, that is, the axis of the rotating shaft 32 is parallel to both the axis of the transmission output shaft 12 and the axis of the transmission input shaft 11, and the swinging plane of the transmission lever 34 is parallel to the axis of the transmission output shaft 12.
The arrangement can ensure that the whole parking mechanism 30 is just arranged in the layout space surrounded by the differential 31, the transmission output shaft 12 and the transmission gear set 21, no additional space is needed, the shell of the gearbox can be further minimized, and the utilization of the internal space of the gearbox is most efficient.
Further, in this embodiment, a pawl rotation shaft 38 is provided at the end of the parking pawl 36, the pawl rotation shaft 38 is rotatably provided on a stationary member of the transmission system, and a rotation spring 371 may be further provided on the pawl rotation shaft 38 to assist the parking pawl 36 to return.
Fig. 6 is a schematic structural diagram of the transmission system and the transmission housing in fig. 1 after assembly, as shown in fig. 6, in this embodiment, the transmission system further includes a transmission housing 60, and the transmission input shaft 11, the transmission output shaft 12, the transmission gear set 21, the differential 31, the differential gear set 22, and the parking ratchet 23 are disposed in the transmission housing 60. The hub 33, the transmission lever 34, the support shaft 35, the parking pawl 36 and the propulsion assembly 37 of the parking mechanism 30 are also disposed in the transmission housing 60, and the actuator motor 31 is disposed outside the transmission housing 60 and connected to the hub 33 through the rotating shaft 32. The support shaft 35 and the pawl rotation shaft 38 of the parking ratchet 23 may be fixed to the transmission case 60.
In this embodiment, the parking mechanism 30 is connected with the transmission output shaft 12 through the parking ratchet wheel 23, so as to be connected with the whole transmission system, the parking ratchet wheel 23 is sleeved on the transmission output shaft 12 and is located on one side, away from the transmission gear set 21, of the differential gear set 22, when the parking mechanism 30 is parked, the parking pawl 36 is meshed with the parking ratchet wheel 23, the parking ratchet wheel 23 is clamped and cannot rotate, so that the transmission output shaft 12 cannot rotate, power cannot be output, and safe parking is finally achieved.
In summary, the power input and the power output are arranged on the same axis, and the parking mechanism 30 with the actuating motor 31 and the rotating hub 33 is adopted, so that the parking mechanism 30 can be hidden at one side of the transmission gear set 21, the structure of the transmission system is more compact, the space utilization is optimized, the efficiency is high, and the application range is very wide.
The invention also provides a vehicle comprising the transmission system provided by the invention, and other structures of the vehicle are referred to in the prior art, and are not repeated herein.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A transmission system, characterized by: comprises a transmission input shaft, a transmission output shaft, a transmission gear set, a differential, a driving half shaft, a parking ratchet wheel and a parking mechanism, the transmission input shaft is connected with the transmission output shaft through the transmission gear set, the transmission output shaft is connected with the differential through the differential gear set, the driving half shafts are arranged at two sides of the differential mechanism, the driving half shaft at one side of the differential mechanism facing to the input shaft is arranged in the transmission input shaft in a penetrating way, and is coaxially arranged with the transmission input shaft, the differential mechanism, the transmission output shaft and the transmission gear set form a layout space, the parking ratchet wheel is arranged on the transmission output shaft, the parking mechanism is arranged in the layout space, the parking mechanism comprises an execution motor, a rotating shaft, a rotating hub, a transmission lever, a supporting shaft, a parking pawl and a propelling component; the actuating motor is connected with the rotating hub through the rotating shaft and drives the rotating hub to rotate around the axis of the rotating hub through the rotating shaft; one end of the transmission lever is connected with the side surface of the rotating hub through a guide rail and a sliding block in a matching mode, the guide rail is distributed along the circumferential direction of the rotating hub, and the transmission lever can move between a first position close to the motor and a second position far away from the motor under the driving of the rotating hub; the supporting shaft is arranged on the transmission lever, the supporting shaft is fixed on a static part of the transmission system, and the transmission lever can swing around the supporting shaft; the second end of transmission lever with impel the subassembly and link to each other, be provided with spacing face on the parking pawl, impel the subassembly with the cooperation of spacing face is in order to promote the parking pawl with parking ratchet wheel meshing, parking ratchet wheel reaches the parking pawl set up in differential gear set keeps away from one side of transmission gear group, the hub reaches the transmission lever set up in parking ratchet wheel with between the transmission gear group.
2. The transmission system of claim 1, wherein: the transmission gear set with be provided with the backup pad between the differential gear set, parking mechanism set up in the differential mechanism orientation one side of transmission output shaft, and the backup pad orientation one side of differential gear set.
3. The transmission system of claim 1, wherein: the propelling assembly comprises a propelling spring, a spring mandrel and a conical pressure head, wherein one end of the spring mandrel is fixed at one end of the transmission lever far away from one end of the rotating hub, one end of the propelling spring is connected with one end of the transmission lever far away from the rotating hub, the other end of the propelling spring is connected with the conical pressure head, the conical pressure head is sleeved on the spring mandrel, the outer peripheral surface of the conical pressure head is a part of a cone, and the limiting surface of the parking pawl is suitable for stopping the outer peripheral surface of the conical pressure head.
4. The transmission system of claim 3, wherein: the propelling assembly further comprises a guide block, the guide block is fixed on a static part of the transmission system, and the conical pressure head extends into the guide block.
5. The transmission system of claim 1, wherein: the guide rail on the rotary hub is formed by downwards recessing the side surface of the rotary hub, the recess extends along the circumferential direction of the rotary hub, and a first recessed section close to the execution motor and a second recessed section far away from the execution motor are formed in the recess.
6. The transmission system of claim 1, wherein: the axis of the rotating shaft is parallel to the axis of the transmission output shaft, and the swinging plane of the transmission lever is parallel to the axis of the transmission output shaft.
7. The transmission system of claim 1, wherein: the transmission gear set comprises a transmission driving gear and a transmission driven gear, the transmission driving gear is arranged on the transmission input shaft, the transmission driven gear is arranged on the transmission output shaft, the transmission driving gear is meshed with the transmission driven gear, the differential gear set comprises a reduction driving gear and a reduction driven gear, the reduction driving gear is fixed on the transmission output shaft, the reduction driven gear is fixed on the differential, and the reduction driving gear is meshed with the reduction driven gear.
8. A vehicle, characterized in that: a transmission system including any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710859055.1A CN107763163B (en) | 2017-09-21 | 2017-09-21 | Transmission system and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710859055.1A CN107763163B (en) | 2017-09-21 | 2017-09-21 | Transmission system and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107763163A CN107763163A (en) | 2018-03-06 |
| CN107763163B true CN107763163B (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710859055.1A Active CN107763163B (en) | 2017-09-21 | 2017-09-21 | Transmission system and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107763163B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018212189A1 (en) * | 2018-07-23 | 2020-01-23 | Zf Friedrichshafen Ag | Arrangement of a parking lock in a vehicle transmission |
| DE102019102728B4 (en) | 2019-02-04 | 2023-02-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Securing device for securing a standstill of an electric vehicle |
| WO2024006418A1 (en) * | 2022-06-30 | 2024-01-04 | American Axle & Manufacturing, Inc. | Electric drive unit |
| CN115264056A (en) * | 2022-07-22 | 2022-11-01 | 重庆青山工业有限责任公司 | Transmission parking actuating mechanism |
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| CN107763163A (en) | 2018-03-06 |
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