CN114458748A - Transmission and automobile - Google Patents
Transmission and automobile Download PDFInfo
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- CN114458748A CN114458748A CN202210160566.5A CN202210160566A CN114458748A CN 114458748 A CN114458748 A CN 114458748A CN 202210160566 A CN202210160566 A CN 202210160566A CN 114458748 A CN114458748 A CN 114458748A
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- gear
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- shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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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
- F16H57/033—Series gearboxes, e.g. gearboxes based on the same design being available in different sizes or gearboxes using a combination of several standardised units
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0078—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratio comprising twelve or more forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to the technical field of transmissions, in particular to a transmission and an automobile, wherein the transmission comprises a clutch assembly, a C odd clutch and a C even clutch, wherein the C odd clutch and the C even clutch are coaxially arranged and can be connected with or disconnected from a power input shaft; the main gearbox comprises a main box body, an odd-number gear rotating shaft, an even-number gear rotating shaft and a primary power output assembly, wherein the odd-number gear rotating shaft, the even-number gear rotating shaft and the primary power output assembly are rotatably arranged in the main box body; and the auxiliary gear box comprises an auxiliary box body, and a power input assembly, a secondary power output assembly and a power output shaft which are rotatably arranged in the auxiliary box body. The invention can realize non-power interruption gear shifting, thereby improving the driving control performance of the vehicle.
Description
Technical Field
The invention relates to the technical field of transmissions, in particular to a transmission and an automobile.
Background
In automobiles, the transmission is an important component, and the performance of the transmission determines the performance of the automobile. A transmission is a mechanism for changing the speed and torque from an engine that can change the ratio of the output shaft to the input shaft, either fixed or stepped, to achieve different speed and torque outputs. On the existing commercial vehicle, in order to promote the control of the rotating speed and the torque, the multi-gear output is realized. However, the conventional multi-gear transmission cannot realize non-power interruption gear shifting, so that the gear shifting process cannot be stably carried out, and the gear shifting performance of a vehicle is affected.
Therefore, a transmission and a vehicle are required to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a transmission and an automobile, which can realize non-power-interruption gear shifting, so that the driving control performance of the automobile is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transmission, comprising:
the clutch assembly comprises a C odd clutch and a C even clutch which are coaxially arranged, and the C odd clutch and the C even clutch can be connected with or disconnected from the power input shaft;
the main gear box comprises a main box body, and an odd-number gear rotating shaft, an even-number gear rotating shaft and a primary power output assembly which are rotatably arranged in the main box body, wherein one end of the odd-number gear rotating shaft is connected with the C odd clutch, the odd-number gear rotating shaft is provided with an odd-number gear transmission assembly, one end of the even-number gear shaft is connected with the C even clutch, the even-number gear rotating shaft penetrates through the odd-number gear rotating shaft and extends out relative to the odd-number gear rotating shaft, the even-number gear rotating shaft is provided with an even-number gear transmission assembly, and the primary power output assembly can be in transmission connection with the odd-number gear transmission assembly or the even-number gear transmission assembly;
the auxiliary gear box comprises an auxiliary box body, and a power input assembly, a secondary power output assembly and a power output shaft which are rotatably arranged in the auxiliary box body, wherein the power input assembly is in transmission connection with the primary power output assembly, the secondary power output assembly can be in transmission connection with the power input assembly, power output is achieved through the power output shaft, and when the secondary power output assembly is disconnected from the power input assembly, the power input assembly can be in transmission connection with the power output shaft to achieve power output.
Optionally, a first intermediate shaft and a second intermediate shaft are rotatably arranged in the main box body, the first intermediate shaft and the second intermediate shaft are arranged in parallel with the odd-numbered gear rotating shaft at intervals, a first auxiliary transmission assembly is arranged on the first intermediate shaft, a second auxiliary transmission assembly is arranged on the second intermediate shaft, the first auxiliary transmission assembly and the second auxiliary transmission assembly are in transmission connection with the even-numbered gear transmission assembly and the odd-numbered gear transmission assembly, and the first auxiliary transmission assembly and the second auxiliary transmission assembly are in transmission connection with the first-level power output assembly.
Optionally, the odd-numbered stage transmission assembly includes a first stage gear and a synchronizer S1, the first stage gear is rotatably disposed on the odd-numbered stage rotating shaft, the synchronizer S1 is disposed on the odd-numbered stage rotating shaft, the first auxiliary transmission assembly includes a first stage auxiliary gear, the first stage auxiliary gear is fixedly disposed on the first intermediate shaft, the second auxiliary transmission assembly includes a second first stage auxiliary gear, the second first stage auxiliary gear is fixedly disposed on the second intermediate shaft, and the first stage gear is engaged with both the first stage auxiliary gear and the second first stage auxiliary gear.
Optionally, the odd-numbered stage transmission assembly includes a third-numbered stage gear and a synchronizer S3, the third-numbered stage gear is rotatably disposed on the odd-numbered stage rotating shaft, the synchronizer S3 is disposed on the odd-numbered stage rotating shaft, the first auxiliary transmission assembly includes a third-numbered stage auxiliary gear, the third-numbered stage auxiliary gear is fixedly disposed on the first countershaft, the second auxiliary transmission assembly includes a second third-numbered stage auxiliary gear, the second third-numbered stage auxiliary gear is fixedly disposed on the second countershaft, and the third-numbered stage gear is engaged with the third-numbered stage auxiliary gear and the second third-numbered stage auxiliary gear.
Optionally, the odd-numbered stage transmission assembly includes a fifth-numbered stage gear and a synchronizer of S5, the fifth-numbered stage gear rotates and is disposed on the odd-numbered stage rotating shaft, the synchronizer of S5 is disposed on the odd-numbered stage rotating shaft, the first auxiliary transmission assembly includes a fifth-numbered stage auxiliary gear, the first fifth-numbered stage auxiliary gear is fixedly disposed on the first countershaft, the second auxiliary transmission assembly includes a fifth-numbered stage auxiliary gear, the second fifth-numbered stage auxiliary gear is fixedly disposed on the second countershaft, and the fifth-numbered stage gear is engaged with both the first fifth-numbered stage auxiliary gear and the second fifth-numbered stage auxiliary gear.
Optionally, the even-numbered stage transmission assembly includes a second-numbered stage gear and an S2 synchronizer, the second-numbered stage gear is rotatably disposed on the even-numbered stage rotating shaft, the S2 synchronizer is disposed on the even-numbered stage rotating shaft, the first auxiliary transmission assembly includes a first second-numbered stage auxiliary gear, the first second-numbered stage auxiliary gear is fixedly disposed on the first intermediate shaft, the second auxiliary transmission assembly includes a second-numbered stage auxiliary gear, the second-numbered stage auxiliary gear is fixedly disposed on the second intermediate shaft, and the second-numbered stage gear is engaged with the first second-numbered stage auxiliary gear and the second-numbered stage auxiliary gear.
Optionally, the even-numbered stage transmission assembly includes a fourth-numbered stage gear and a synchronizer of S4, the fourth-numbered stage gear rotates and is disposed on the even-numbered stage rotating shaft, the synchronizer of S4 is disposed on the even-numbered stage rotating shaft, the first auxiliary transmission assembly includes a first fourth-numbered stage auxiliary gear, the first fourth-numbered stage auxiliary gear is fixedly disposed on the first intermediate shaft, the second auxiliary transmission assembly includes a second fourth-numbered stage auxiliary gear, the second fourth-numbered stage auxiliary gear is fixedly disposed on the second intermediate shaft, and the fourth-numbered stage gear is engaged with both the first fourth-numbered stage auxiliary gear and the second fourth-numbered stage auxiliary gear.
Optionally, the even-numbered stage transmission assembly includes an R-stage gear and an SR synchronizer, the R-stage gear is rotatably disposed on the even-numbered stage rotating shaft, the SR synchronizer is disposed on the even-numbered stage rotating shaft, the first auxiliary transmission assembly includes a first R-stage auxiliary gear, the first R-stage auxiliary gear is fixedly disposed on the first intermediate shaft, the second auxiliary transmission assembly includes a second R-stage auxiliary gear, the second R-stage auxiliary gear is fixedly disposed on the second intermediate shaft, and the R-stage gear is engaged with the first R-stage auxiliary gear and the second R-stage auxiliary gear through idle gears.
Optionally, the primary power output assembly includes a first auxiliary gear, a second auxiliary gear and a primary output gear, the first auxiliary gear is fixedly disposed on the first intermediate shaft, the second auxiliary gear is fixedly disposed on the second intermediate shaft, the primary output gear is fixedly disposed on a primary output shaft, and the primary output gear is meshed with both the first auxiliary gear and the second auxiliary gear.
Optionally, the power input assembly includes a power input gear fixedly disposed on the primary output shaft and an SL synchronizer disposed on the power output shaft, and the SL synchronizer can be combined with the power input gear to realize power output.
Optionally, the secondary power output assembly includes a secondary output gear and an SH synchronizer, the secondary output gear is rotatably disposed on the power output shaft and is in transmission connection with the power input gear, the SH synchronizer is disposed on the power output shaft, and the SH synchronizer can be combined with the secondary output gear to realize power output.
Optionally, a third intermediate shaft and a fourth intermediate shaft are rotatably arranged in the auxiliary box body, the third intermediate shaft and the fourth intermediate shaft are both arranged in parallel with the power output shaft at intervals, a first gear and a second gear are arranged on the third intermediate shaft, the first gear is meshed with the power input gear, the second gear is meshed with the secondary output gear, a third gear and a fourth gear are arranged on the fourth intermediate shaft, the third gear is meshed with the power input gear, and the fourth gear is meshed with the secondary output gear.
An automobile comprising a transmission as described above.
The invention has the beneficial effects that:
the invention provides a transmission which comprises a clutch assembly, a main gear box and a secondary gear box. The clutch assembly comprises a C odd clutch and a C even clutch, and when gear shifting is carried out, the control oil pressure of the corresponding C odd clutch or the C even clutch is gradually reduced and the control oil pressure of the other clutch is gradually increased according to the gear shifting until the control oil pressure of the corresponding clutch is reduced to zero and the control oil pressure of the other clutch reaches a set target pressure, so that the gear shifting is completed. In the process, the power transmission from the power input shaft is not interrupted all the time, so that the driving control performance of the vehicle is improved; and adopt the transmission structure that master gear case and pinion box combine, can reduce the length of transmission shaft, guarantee that derailleur simple structure, arrange compactly, master gear case and pinion box mutually cooperate simultaneously can realize the output of many grades.
The automobile provided by the invention comprises the transmission, and non-power-interruption gear shifting can be realized, so that the driving control performance of the automobile is improved.
Drawings
FIG. 1 is a schematic diagram of a transmission of the present invention;
FIG. 2 is a shift indicating diagram for a transmission of the present invention.
In the figure:
1. a power input shaft; 2. a C-couple clutch; 3. even number of gear shafts; 4. c odd clutch; 5. odd-gear rotating shafts; 6. a first gear; 7. a first intermediate shaft; 8. a first primary auxiliary gear; 9. s1 synchronizer; 10. a third gear; 11. a first third-gear auxiliary gear; 12. s3 synchronizer; 13. s5 synchronizer; 14. a fifth gear wheel; 15. a first fifth-gear auxiliary gear; 16. a first fourth-gear auxiliary gear; 17. a fourth gear; 18. s4 synchronizer; 19. s2 synchronizer; 20. a first second auxiliary gear; 21. a first idler gear; 22. a first idler shaft; 23. a first R-range auxiliary gear; 24. a first auxiliary gear; 25. a power input gear; 26. a third intermediate shaft; 27. a first gear; 28. a second gear; 29. an SL synchronizer; 30. a power take-off shaft; 31. an SH synchronizer; 32. a secondary output gear; 33. a fourth gear; 34. a fourth intermediate shaft; 35. a third gear; 36. a second intermediate shaft; 37. a second first-gear auxiliary gear; 38. a second third-gear auxiliary gear; 39. a second fifth-gear auxiliary gear; 40. a second fourth-gear auxiliary gear; 41. a second gear; 42. a second secondary auxiliary gear; 43. a second idler shaft; 44. a second idler gear; 45. a second R-range auxiliary gear; 46. an R-gear; 47. an SR synchronizer; 48. s6 synchronizer; 49. a second auxiliary gear; 50. a primary output gear; 51. a primary output shaft; 100. a dual clutch assembly; 200. a main box body; 300. and an auxiliary box body.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In automobiles, the transmission is an important component, and the performance of the transmission determines the performance of the automobile. A transmission is a mechanism for changing the speed and torque from an engine that can change the ratio of the output shaft to the input shaft, either fixed or stepped, to achieve different speed and torque outputs. On the existing commercial vehicle, in order to promote the control of the rotating speed and the torque, the multi-gear output is realized. However, the existing multi-gear transmission cannot realize non-power interruption gear shifting, so that the gear shifting process cannot be stably carried out, the gear shifting performance of a vehicle is affected, and the transmission shaft of the transmission is long due to multi-gear output, and can be out of work due to the fact that the transmission shaft is easy to fatigue after the transmission shaft runs for a certain time.
In order to solve the above problems, the present invention provides a transmission as shown in fig. 1-2. The transmission includes a clutch assembly, a primary gearbox and a secondary gearbox.
The clutch assembly comprises a C odd clutch 4 and a C even clutch 2 which are coaxially arranged, and the C odd clutch 4 and the C even clutch 2 can be connected with or disconnected from the power input shaft 1; the main gear box comprises a main box body 200, and an odd-numbered gear rotating shaft, an even-numbered gear rotating shaft and a primary power output assembly which are rotatably arranged in the main box body 200, wherein one end of the odd-numbered gear rotating shaft is connected with the C-odd clutch 4, the odd-numbered gear rotating shaft is provided with the odd-numbered gear transmission assembly, one end of the even-numbered gear shaft 3 is connected with the C-even clutch 2, the even-numbered gear rotating shaft penetrates through the odd-numbered gear rotating shaft 5 and extends out relative to the odd-numbered gear rotating shaft 5, the even-numbered gear rotating shaft is provided with the even-numbered gear transmission assembly, and the primary power output assembly can be in transmission connection with the odd-numbered gear transmission assembly or the even-numbered gear transmission assembly; the auxiliary gearbox comprises an auxiliary box body 300, and a power input assembly, a secondary power output assembly and a power output shaft 30 which are rotatably arranged in the auxiliary box body 300, wherein the power input assembly is in transmission connection with the primary power output assembly, the secondary power output assembly can be in transmission connection with the power input assembly and realizes power output through the power output shaft 30, and when the secondary power output assembly is disconnected with the power input assembly, the power input assembly can be in transmission connection with the power output shaft 30 to realize power output.
When shifting, the control oil pressure of the corresponding odd clutch 4 or even clutch 2 is gradually reduced and the control oil pressure of the other clutch is gradually increased according to the shifting until the control oil pressure drop of the corresponding clutch is zero and the control oil pressure of the other clutch reaches the set target pressure, and the shifting is finished. In the process, the power transmission from the power input shaft 1 is not interrupted all the time, so that the driving control performance of the vehicle is improved; and adopt the transmission structure that main gear box and pinion housing combine, can reduce the length of transmission shaft, guarantee that derailleur simple structure, arrange compactly, design the transmission shaft into two parts moreover, arrange respectively in main tank 200 and pinion housing 300 for the length of transmission shaft is shorter, after working for a certain time, still has sufficient intensity, and main gear box and pinion housing mutually cooperate simultaneously can realize the output of many grades.
Optionally, a first intermediate shaft 7 and a second intermediate shaft 36 are rotatably arranged in the main box body 200, the first intermediate shaft 7 and the second intermediate shaft 36 are both arranged in parallel with the odd-numbered gear rotating shaft at intervals, a first auxiliary transmission assembly is arranged on the first intermediate shaft 7, a second auxiliary transmission assembly is arranged on the second intermediate shaft 36, the first auxiliary transmission assembly and the second auxiliary transmission assembly are both in transmission connection with the even-numbered gear transmission assembly and the odd-numbered gear transmission assembly, and the first auxiliary transmission assembly and the second auxiliary transmission assembly are both in transmission connection with the first-level power output assembly. Power can be split in the power output process by arranging the first auxiliary transmission assembly and the second auxiliary transmission assembly, then power is converged by the first-stage power output assembly, and power is input into the auxiliary gearbox. In this process, the first intermediate shaft 7 and the second intermediate shaft 36 bear load together with the odd-numbered gear rotating shaft or the even-numbered gear rotating shaft, so that the load borne by each shaft is reduced, the strength of the odd-numbered gear rotating shaft and the even-numbered gear rotating shaft is ensured, and the service lives of the odd-numbered gear rotating shaft and the even-numbered gear rotating shaft are prolonged.
Optionally, the odd-numbered stage transmission assembly includes a first stage gear 6 and a synchronizer 9 of S1, the first stage gear 6 is rotatably disposed on the odd-numbered stage rotating shaft, specifically, the first stage gear 6 is freely sleeved on the odd-numbered stage rotating shaft, the synchronizer 9 of S1 is disposed on the odd-numbered stage rotating shaft, specifically, the synchronizer 9 of S1 is connected with the odd-numbered stage rotating shaft through spline fitting, the first auxiliary transmission assembly includes a first stage auxiliary gear 8, the first stage auxiliary gear 8 is fixedly disposed on the first intermediate shaft 7, the second auxiliary transmission assembly includes a second first stage auxiliary gear 37, the second first stage auxiliary gear 37 is fixedly disposed on the second intermediate shaft 36, and the first stage gear 6 is engaged with both the first stage auxiliary gear 8 and the second first stage auxiliary gear 37. The S1 synchronizer 9 is combined with the first gear 6 to realize the first gear power output. The first-gear auxiliary gear 8 and the second first-gear auxiliary gear 37 are meshed with the first-gear 6 to realize torque splitting.
Optionally, the odd-numbered stage transmission assembly includes a third-numbered stage gear 10 and a S3 synchronizer 12, the third-numbered stage gear 10 is rotatably disposed on the odd-numbered stage rotating shaft, specifically, the third-numbered stage gear 10 is freely sleeved on the odd-numbered stage rotating shaft, the S3 synchronizer 12 is disposed on the odd-numbered stage rotating shaft, specifically, the S3 synchronizer 12 is connected with the odd-numbered stage rotating shaft through spline fitting, the first auxiliary transmission assembly includes a first third-numbered stage auxiliary gear 11, the first third-numbered stage auxiliary gear 11 is fixedly disposed on the first countershaft 7, the second auxiliary transmission assembly includes a second third-numbered stage auxiliary gear 38, the second third-numbered stage auxiliary gear 38 is fixedly disposed on the second countershaft 36, and the third-numbered stage gear 10 is meshed with both the first third-numbered stage auxiliary gear 11 and the second third-numbered stage auxiliary gear 38. After the S3 synchronizer 12 is combined with the third gear 10, power is output through the odd-numbered gear rotating shaft 5 and the third gear 10. The third gear 10 achieves torque splitting by meshing with both the first third auxiliary gear 11 and the second third auxiliary gear 38.
Optionally, the odd-numbered stage transmission assembly includes a fifth-numbered stage gear 14 and a synchronizer 13 of S5, the fifth-numbered stage gear 14 is rotatably disposed on the odd-numbered stage rotating shaft, specifically, the fifth-numbered stage gear 14 is freely sleeved on the odd-numbered stage rotating shaft, the synchronizer 13 of S5 is disposed on the odd-numbered stage rotating shaft, specifically, the synchronizer 13 of S5 is connected with the odd-numbered stage rotating shaft through spline fitting, the first auxiliary transmission assembly includes a first fifth-numbered stage auxiliary gear 15, the first fifth-numbered stage auxiliary gear 15 is fixedly disposed on the first countershaft 7, the second auxiliary transmission assembly includes a second fifth-numbered stage auxiliary gear 39, the second fifth-numbered stage auxiliary gear 39 is fixedly disposed on the second countershaft 36, and the fifth-numbered stage gear 14 is meshed with both the first fifth-numbered stage auxiliary gear 15 and the second fifth-numbered stage auxiliary gear 39. After the synchronizer 13 is combined with the fifth-gear 14 in S5, power is output through the odd-numbered stage rotating shaft 5 and the fifth-gear 14. The fifth gear wheel 14 achieves torque splitting by meshing with both the first fifth auxiliary gear wheel 15 and the second fifth auxiliary gear wheel 39.
Optionally, the even-numbered stage transmission assembly includes a second stage gear 41 and the S2 synchronizer 19, the second stage gear 41 is rotatably disposed on the even-numbered stage rotating shaft, specifically, the second stage gear 41 is freely sleeved on the even-numbered stage rotating shaft, the S2 synchronizer 19 is disposed on the even-numbered stage rotating shaft, specifically, the S2 synchronizer 19 is connected with the even-numbered stage rotating shaft through spline fitting, the first auxiliary transmission assembly includes the first second stage auxiliary gear 20, the first second stage auxiliary gear 20 is fixedly disposed on the first countershaft 7, the second auxiliary transmission assembly includes the second stage auxiliary gear 42, the second stage auxiliary gear 42 is fixedly disposed on the second countershaft 36, and the second stage gear 41 is meshed with both the first second stage auxiliary gear 20 and the second stage auxiliary gear 42. After the synchronizer 19 is combined with the second gear 41 in S2, the power is output in the second gear through the even-numbered gear shaft 3 and the second gear 41. The second-gear pinion 41 achieves torque splitting by meshing with both the first second-gear auxiliary gear 20 and the second-gear auxiliary gear 42.
Optionally, the even-numbered stage transmission assembly includes a fourth-numbered stage gear 17 and a synchronizer 18 of S4, the fourth-numbered stage gear 17 is rotatably disposed on the even-numbered stage rotating shaft, specifically, the fourth-numbered stage gear 17 is freely sleeved on the even-numbered stage rotating shaft, the synchronizer 18 of S4 is disposed on the even-numbered stage rotating shaft, specifically, the synchronizer 18 of S4 is connected with the even-numbered stage rotating shaft through spline fitting, the first auxiliary transmission assembly includes a first fourth-numbered stage auxiliary gear 16, the first fourth-numbered stage auxiliary gear 16 is fixedly disposed on the first countershaft 7, the second auxiliary transmission assembly includes a second fourth-numbered stage auxiliary gear 40, the second fourth-numbered stage auxiliary gear 40 is fixedly disposed on the second countershaft 36, and the fourth-numbered stage gear 17 is meshed with both the first fourth-numbered stage auxiliary gear 16 and the second fourth-numbered stage auxiliary gear 40. After the four-gear 17 is combined with the four-gear 17, power is output through the even-numbered gear shaft 3 and the four-gear 17. The fourth gear 17 achieves torque splitting by meshing with both the first fourth gear auxiliary gear 16 and the second fourth gear auxiliary gear 40.
Optionally, the even-numbered stage transmission assembly includes an R-stage gear 46 and an SR synchronizer 47, the R-stage gear 46 is rotatably disposed on the even-numbered stage rotating shaft, specifically, the R-stage gear 46 is freely sleeved on the even-numbered stage rotating shaft, the SR synchronizer 47 is disposed on the even-numbered stage rotating shaft, specifically, the SR synchronizer 47 is connected with the even-numbered stage rotating shaft through spline fitting, the first auxiliary transmission assembly includes a first R-stage auxiliary gear 23, the first R-stage auxiliary gear 23 is fixedly disposed on the first intermediate shaft 7, the second auxiliary transmission assembly includes a second R-stage auxiliary gear 45, the second R-stage auxiliary gear 45 is fixedly disposed on the second intermediate shaft 36, and the R-stage gear 46 is engaged with the first R-stage auxiliary gear 23 and the second R-stage auxiliary gear 45 through idle gears.
Specifically, a first idler shaft 22 and a second idler shaft 43 are provided in the main casing 200, a first idler gear 21 is fixedly provided on the first idler shaft 22, a second idler gear 44 is provided on the second idler shaft 43, the R range gear 46 is engaged with the first R range auxiliary gear 23 through the first idler gear 21, and the R range gear 46 is engaged with the second R range auxiliary gear 45 through the second idler gear 44. After the SR synchronizer 47 is combined with the R-range gear 46, power is output through the even-numbered range shaft 3 and the R-range gear 46. The R-range gear 46 realizes torque split by meshing with both the first R-range auxiliary gear 23 and the second R-range auxiliary gear 45.
Alternatively, the primary power output assembly includes a first auxiliary gear 24, a second auxiliary gear 49, and a primary output gear 50, the first auxiliary gear 24 is fixedly disposed on the first countershaft 7, the second auxiliary gear 49 is fixedly disposed on the second countershaft 36, the primary output gear 50 is fixedly disposed on a primary output shaft 51, and the primary output gear 50 is meshed with both the first auxiliary gear 24 and the second auxiliary gear 49. By providing the primary power output assembly, after the torque is split by the first intermediate shaft 7 and the second intermediate shaft 36, the torque is merged. The merged torque is output to the range box.
Alternatively, the power input assembly comprises a power input gear 25 and an SL synchronizer 29, the power input gear 25 is fixedly arranged on the primary output shaft 51, the SL synchronizer 29 is arranged on the power output shaft 30, specifically, the SL synchronizer 29 is connected with the power output shaft 30 through spline fitting, and the SL synchronizer 29 can be combined with the power input gear 25 to realize power output.
Optionally, the secondary power output assembly includes a secondary output gear 32 and an SH synchronizer 31, the secondary output gear 32 is rotatably disposed on the power output shaft 30, specifically, the secondary output gear 32 is freely sleeved on the power output shaft 30 and is in transmission connection with the power input gear 25, the SH synchronizer 31 is disposed on the power output shaft 30, specifically, the SH synchronizer 31 is in spline fit connection with the power output shaft 30, and the SH synchronizer 31 can be combined with the secondary output gear 32 to realize power output.
Optionally, a third intermediate shaft 26 and a fourth intermediate shaft 34 are rotatably arranged in the auxiliary box 300, the third intermediate shaft 26 and the fourth intermediate shaft 34 are both arranged in parallel with the power output shaft 30 at intervals, a first gear 27 and a second gear 28 are arranged on the third intermediate shaft 26, the first gear 27 is meshed with the power input gear 25, the second gear 28 is meshed with the secondary output gear 32, a third gear 35 and a fourth gear 33 are arranged on the fourth intermediate shaft 34, the third gear 35 is meshed with the power input gear 25, and the fourth gear 33 is meshed with the secondary output gear 32. By arranging the third intermediate shaft 26 and the fourth intermediate shaft 34, power split can be realized in the process of power output, and then power output can be realized by converging through the power output shaft 30. In the process, the third intermediate shaft 26 and the fourth intermediate shaft 34 bear load together with the power output shaft 30, so that the load borne by each shaft is reduced, the strength of the power output shaft 30 is ensured, and the service life of the power output shaft 30 is prolonged.
Taking the first gear as an example, the power transmission process is described. The C-odd clutch 4, the S1 synchronizer 9, and the SL synchronizer 29 are engaged, and power from the power input shaft 1 passes through the C-odd clutch 4, the odd-numbered stage rotating shaft 5, the S1 synchronizer 9, the first-stage gear 6, the first and second first-stage auxiliary gears 8 and 37, the first and second countershafts 7 and 36, the first and second auxiliary gears 24 and 49, the primary output gear 50, the primary output shaft 51, the power input gear 25, the first and third gears 27 and 35, the second and fourth gears 28 and 33, the secondary output gear 32, the SL synchronizer 29, and the power output shaft 30.
The non-power-interrupted shift process will be described with the first gear up and the second gear up as an example. The C-odd clutch 4, S1 synchronizer 9, and SL synchronizer 29 are all held engaged, while the transmission is in first gear. The synchronizer 19 of S2 is engaged to gradually decrease the control oil pressure of the odd C clutch 4 and gradually increase the control oil pressure of the even C clutch 2 until the control oil pressure of the odd C clutch 4 drops to zero and the control oil pressure of the even C clutch 2 reaches the set target pressure. At this time, the transmission is switched to the second gear, and during this process, the power transmission from the power input shaft 1 is not interrupted at all times. Other gear shifts are shown above and will not be described in detail here.
The implementation also provides an automobile which comprises the transmission, and non-power interruption gear shifting can be realized, so that the driving control performance of the automobile is improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (13)
1. A transmission, comprising:
the clutch assembly comprises a C odd clutch (4) and a C even clutch (2) which are coaxially arranged, and both the C odd clutch (4) and the C even clutch (2) can be connected with or disconnected from the power input shaft (1);
the main gearbox comprises a main box body (200), and an odd-number gear rotating shaft, an even-number gear rotating shaft and a primary power output assembly which are rotatably arranged in the main box body (200), wherein one end of the odd-number gear rotating shaft is connected with the C-odd clutch (4), the odd-number gear rotating shaft is provided with an odd-number gear transmission assembly, one end of the even-number gear shaft (3) is connected with the C-even clutch (2), the even-number gear rotating shaft penetrates through the odd-number gear rotating shaft (5) and extends out relative to the odd-number gear rotating shaft (5), the even-number gear rotating shaft is provided with an even-number gear transmission assembly, and the primary power output assembly can be in transmission connection with the odd-number gear transmission assembly or the even-number gear transmission assembly;
the auxiliary gearbox comprises an auxiliary box body (300), and a power input assembly, a secondary power output assembly and a power output shaft (30) which are rotatably arranged in the auxiliary box body (300), wherein the power input assembly is in transmission connection with the primary power output assembly, the secondary power output assembly can be in transmission connection with the power input assembly and realizes power output through the power output shaft (30), and when the secondary power output assembly is disconnected with the power input assembly, the power input assembly can be in transmission connection with the power output shaft (30) to realize power output.
2. A transmission as claimed in claim 1, characterized in that a first intermediate shaft (7) and a second intermediate shaft (36) are rotatably disposed in the main casing (200), the first intermediate shaft (7) and the second intermediate shaft (36) are both disposed parallel to and spaced apart from the odd-numbered gears, a first auxiliary transmission assembly is disposed on the first intermediate shaft (7), a second auxiliary transmission assembly is disposed on the second intermediate shaft (36), the first auxiliary transmission assembly and the second auxiliary transmission assembly are both in transmission connection with the even-numbered gears and the odd-numbered gears, and the first auxiliary transmission assembly and the second auxiliary transmission assembly are both in transmission connection with the primary power output assembly.
3. A transmission according to claim 2, characterized in that the odd-numbered stage transmission assembly comprises a first-stage gear wheel (6) and a synchronizer (9) of S1, the first-stage gear wheel (6) being rotatably arranged on the odd-numbered stage shaft, the synchronizer (9) of S1 being arranged on the odd-numbered stage shaft, the first auxiliary transmission assembly comprising a first-stage auxiliary gear wheel (8), the first-stage auxiliary gear wheel (8) being fixedly arranged on the first countershaft (7), the second auxiliary transmission assembly comprising a second first-stage auxiliary gear wheel (37), the second first-stage auxiliary gear wheel (37) being fixedly arranged on the second countershaft (36), the first-stage gear wheel (6) being in mesh with both the first-stage auxiliary gear wheel (8) and the second first-stage auxiliary gear wheel (37).
4. A transmission according to claim 2, characterized in that the odd-numbered gears transmission assembly comprises a third gear (10) and a synchronizer (12) of S3, the third gear (10) being rotatably arranged on the odd-numbered gears shafts, the synchronizer (12) of S3 being arranged on the odd-numbered gears shafts, the first auxiliary transmission assembly comprises a first third gear auxiliary gear (11), the first third gear auxiliary gear (11) being fixedly arranged on the first countershaft (7), the second auxiliary transmission assembly comprises a second third gear auxiliary gear (38), the second third gear auxiliary gear (38) being fixedly arranged on the second countershaft (36), and the third gear (10) being in mesh with both the first third gear auxiliary gear (11) and the second third gear auxiliary gear (38).
5. A transmission as claimed in claim 2, characterized in that the odd-numbered stage transmission assembly comprises a fifth-stage gearwheel (14) and a synchronizer (13) of S5, the fifth-stage gearwheel (14) being arranged rotatably on the odd-numbered stage shaft, the synchronizer (13) of S5 being arranged on the odd-numbered stage shaft, the first auxiliary transmission assembly comprises a first fifth-stage auxiliary gearwheel (15), the first fifth-stage auxiliary gearwheel (15) being arranged fixedly on the first countershaft (7), the second auxiliary transmission assembly comprises a second fifth-stage auxiliary gearwheel (39), the second fifth-stage auxiliary gearwheel (39) being arranged fixedly on the second countershaft (36), and the fifth-stage gearwheel (14) meshes with both the first fifth-stage auxiliary gearwheel (15) and the second fifth-stage auxiliary gearwheel (39).
6. A transmission as claimed in claim 2, characterized in that said even-numbered stage transmission assembly comprises a second stage gear (41) and a S2 synchronizer (19), said second stage gear (41) being rotatably disposed on said even-numbered stage shaft, said S2 synchronizer (19) being disposed on said even-numbered stage shaft, said first auxiliary transmission assembly comprises a first second stage auxiliary gear (20), said first second stage auxiliary gear (20) being fixedly disposed on said first countershaft (7), said second auxiliary transmission assembly comprises a second stage auxiliary gear (42), said second stage auxiliary gear (42) being fixedly disposed on said second countershaft (36), said second stage gear (41) being in mesh with both said first second stage auxiliary gear (20) and said second stage auxiliary gear (42).
7. A transmission as claimed in claim 2, characterized in that said even-numbered gears comprise a fourth-gear gearwheel (17) and a synchronizer (18) of S4, said fourth-gear gearwheel (17) being rotatably arranged on said even-numbered gears, said synchronizer (18) of S4 being arranged on said even-numbered gears, said first auxiliary transmission assembly comprising a first fourth-gear auxiliary gearwheel (16), said first fourth-gear auxiliary gearwheel (16) being fixedly arranged on said first countershaft (7), said second auxiliary transmission assembly comprising a second fourth-gear auxiliary gearwheel (40), said second fourth-gear auxiliary gearwheel (40) being fixedly arranged on said second countershaft (36), said fourth-gear gearwheel (17) meshing with both said first fourth-gear auxiliary gearwheel (16) and said second fourth-gear auxiliary gearwheel (40).
8. A transmission according to claim 2, characterized in that said even-numbered stage transmission assembly comprises an R-stage gear (46) and an SR synchronizer (47), said R-stage gear (46) being rotatably arranged on said even-numbered stage shaft, said SR synchronizer (47) being arranged on said even-numbered stage shaft, said first auxiliary transmission assembly comprises a first R-stage auxiliary gear (23), said first R-stage auxiliary gear (23) being fixedly arranged on said first countershaft (7), said second auxiliary transmission assembly comprises a second R-stage auxiliary gear (45), said second R-stage auxiliary gear (45) being fixedly arranged on said second countershaft (36), said R-stage gear (46) being in mesh with said first R-stage auxiliary gear (23) and with said second R-stage auxiliary gear (45) via idler gears.
9. A transmission as claimed in claim 2, characterized in that the primary power take-off assembly comprises a first auxiliary gear (24), a second auxiliary gear (49) and a primary output gear (50), the first auxiliary gear (24) being fixedly arranged on the first countershaft (7), the second auxiliary gear (49) being fixedly arranged on the second countershaft (36), the primary output gear (50) being fixedly arranged on a primary output shaft (51), the primary output gear (50) meshing with both the first auxiliary gear (24) and the second auxiliary gear (49).
10. A transmission according to claim 9, characterised in that the power input assembly comprises a power input gear (25) and an SL synchronizer (29), the power input gear (25) being fixedly arranged on the primary output shaft (51), the SL synchronizer (29) being arranged on the power output shaft (30), the SL synchronizer (29) being capable of effecting a power output in combination with the power input gear (25).
11. A transmission as claimed in claim 10, characterized in that the secondary power take-off assembly comprises a secondary output gear (32) and an SH synchronizer (31), the secondary output gear (32) being rotatably arranged on the power take-off shaft (30) and being in driving connection with the power input gear (25), the SH synchronizer (31) being arranged on the power take-off shaft (30), the SH synchronizer (31) being capable of effecting a power take-off in conjunction with the secondary output gear (32).
12. A transmission as claimed in claim 11, characterized in that a third intermediate shaft (26) and a fourth intermediate shaft (34) are rotatably arranged in said auxiliary casing (300), said third intermediate shaft (26) and said fourth intermediate shaft (34) are both arranged parallel to said power take-off shaft (30) and spaced apart from each other, said third intermediate shaft (26) is provided with a first gear (27) and a second gear (28), said first gear (27) is engaged with said power take-off gear (25), said second gear (28) is engaged with said secondary output gear (32), said fourth intermediate shaft (34) is provided with a third gear (35) and a fourth gear (33), said third gear (35) is engaged with said power take-off gear (25), and said fourth gear (33) is engaged with said secondary output gear (32).
13. A motor vehicle comprising a transmission according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210160566.5A CN114458748A (en) | 2022-02-22 | 2022-02-22 | Transmission and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210160566.5A CN114458748A (en) | 2022-02-22 | 2022-02-22 | Transmission and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN114458748A true CN114458748A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210160566.5A Pending CN114458748A (en) | 2022-02-22 | 2022-02-22 | Transmission and automobile |
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| CN (1) | CN114458748A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102844587A (en) * | 2010-04-13 | 2012-12-26 | Zf腓德烈斯哈芬股份公司 | Dual-clutch group transmission, and method for actuating a dual-clutch group transmission |
| CN104633019A (en) * | 2013-11-06 | 2015-05-20 | Zf腓德烈斯哈芬股份公司 | Transmission for vehicle and method for operation of a transmission |
| EP2916037A2 (en) * | 2014-03-06 | 2015-09-09 | MAN Truck & Bus AG | Dual clutch transmission, in particular for a commercial vehicle |
| DE102016218781A1 (en) * | 2016-09-29 | 2018-03-29 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| CN208703097U (en) * | 2018-07-13 | 2019-04-05 | 一汽解放汽车有限公司 | A kind of commercial vehicle automatic mechanical transmission assembly |
-
2022
- 2022-02-22 CN CN202210160566.5A patent/CN114458748A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102844587A (en) * | 2010-04-13 | 2012-12-26 | Zf腓德烈斯哈芬股份公司 | Dual-clutch group transmission, and method for actuating a dual-clutch group transmission |
| CN104633019A (en) * | 2013-11-06 | 2015-05-20 | Zf腓德烈斯哈芬股份公司 | Transmission for vehicle and method for operation of a transmission |
| EP2916037A2 (en) * | 2014-03-06 | 2015-09-09 | MAN Truck & Bus AG | Dual clutch transmission, in particular for a commercial vehicle |
| DE102016218781A1 (en) * | 2016-09-29 | 2018-03-29 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
| CN208703097U (en) * | 2018-07-13 | 2019-04-05 | 一汽解放汽车有限公司 | A kind of commercial vehicle automatic mechanical transmission assembly |
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Application publication date: 20220510 |