CN110985613A - Multi-gear double-clutch transmission - Google Patents

Multi-gear double-clutch transmission Download PDF

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Publication number
CN110985613A
CN110985613A CN201911419597.2A CN201911419597A CN110985613A CN 110985613 A CN110985613 A CN 110985613A CN 201911419597 A CN201911419597 A CN 201911419597A CN 110985613 A CN110985613 A CN 110985613A
Authority
CN
China
Prior art keywords
gear
driven
transmission
speed
reverse
Prior art date
Application number
CN201911419597.2A
Other languages
Chinese (zh)
Inventor
梅相楠
李玉芳
柯志宏
包轩铭
赵雪松
梁伟鹏
唐立中
赵成福
Original Assignee
中国第一汽车股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国第一汽车股份有限公司 filed Critical 中国第一汽车股份有限公司
Priority to CN201911419597.2A priority Critical patent/CN110985613A/en
Publication of CN110985613A publication Critical patent/CN110985613A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/085Toothed 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 more than one output shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not hereinbefore provided for
    • F16H37/02Combinations of mechanical gearings, not hereinbefore provided for comprising essentially only toothed or friction gearings
    • F16H37/06Combinations of mechanical gearings, not hereinbefore provided for 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
    • F16H37/08Combinations of mechanical gearings, not hereinbefore provided for 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
    • F16H37/0806Combinations of mechanical gearings, not hereinbefore provided for 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 with a plurality of driving or driven shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearbox casing, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02039Gearboxes for particular applications
    • F16H2057/02043Gearboxes for particular applications for vehicle transmissions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02086Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/006Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds

Abstract

The invention discloses a multi-gear double-clutch transmission, which belongs to the technical field of transmissions and comprises: a first clutch; the first input shaft is in transmission connection with the output end of the first clutch, and a three-gear driving gear and a reverse gear driving gear are coaxially and fixedly arranged on the first input shaft; a second clutch; the second input shaft is in transmission connection with the output end of the second clutch and is coaxially arranged with the first input shaft, and a second-gear driving gear and a fourth-gear driving gear are coaxially and fixedly arranged on the second input shaft; the first output shaft is provided with a first-gear transition gear, a fourth-gear driven gear and a reverse-gear driven gear which are not sleeved, and the first-gear transition gear and the fourth-gear driven gear or the reverse-gear driven gear form a duplicate gear; the second output shaft is provided with a second-gear driven gear and a third-gear driven gear which are sleeved in an empty way; the first input shaft rotates to drive the duplicate gear to rotate, and the duplicate gear transmits power to the second output shaft to realize a first-gear transmission ratio. The multi-gear double-clutch transmission has a simple structure, and the arrangement space is saved.

Description

Multi-gear double-clutch transmission

Technical Field

The invention relates to the technical field of transmissions, in particular to a multi-gear double-clutch transmission.

Background

The dual clutch transmission is increasingly popular in the market based on the characteristics of fast gear shifting, uninterrupted power, low oil consumption and excellent comfort.

The traditional transverse double-clutch transmission generally adopts a three-shaft structure, namely, an integrated double clutch is respectively connected with a nested double-input shaft, and the two input shafts respectively transmit power to two output shafts through gear gears. Along with the gradual improvement of the market on the power performance and the economic performance of the whole vehicle, in the prior art, the arrangement method of the gear position number is as follows: a pair of gear sets is matched with the synchronizer to realize the arrangement of one gear. When the number of gears needs to be increased, a method is generally adopted in which a pair of gear sets and synchronizers are added to the input shaft and the output shaft, so that one gear can be added.

However, the above method of increasing the number of gears increases the axial size of the transmission while increasing the number of gears. The arrangement space of the transmission on the whole vehicle is limited, so that the axial size of the transmission is increased once, and the arrangement of the transmission on the whole vehicle is extremely difficult, even difficult.

Disclosure of Invention

The invention aims to provide a multi-gear double-clutch transmission, which can reduce the arrangement space of the multi-gear double-clutch transmission.

As the conception, the technical scheme adopted by the invention is as follows:

a multi-speed, dual clutch transmission comprising:

a first clutch;

the first input shaft is in transmission connection with the output end of the first clutch, and a three-gear driving gear and a reverse gear driving gear are coaxially and fixedly arranged on the first input shaft;

a second clutch;

the second input shaft is in transmission connection with the output end of the second clutch and is coaxially arranged with the first input shaft, and a second-gear driving gear and a fourth-gear driving gear are coaxially and fixedly arranged on the second input shaft;

the first output shaft is provided with a first-gear transition gear, a fourth-gear driven gear and a reverse-gear driven gear which are not sleeved, and the first-gear transition gear and the fourth-gear driven gear or the reverse-gear driven gear form a duplicate gear;

the second output shaft is provided with a second-gear driven gear and a third-gear driven gear which are sleeved in an empty way;

the first input shaft rotates to drive the duplicate gear to rotate, and the duplicate gear transmits power to the second output shaft to realize a first-gear transmission ratio.

Optionally, the first-gear transition gear and the fourth-gear driven gear are duplicate gears, a first-gear driving gear is arranged on the first input shaft, the first-gear driving gear is in meshing transmission with the first-gear transition gear, the first-gear transition gear drives the fourth-gear driven gear to rotate, the fourth-gear driven gear is in meshing transmission with the fourth-gear driving gear, the fourth-gear driving gear drives the second-gear driving gear to rotate, and the second-gear driving gear is in meshing transmission with the second-gear driven gear to realize a first-gear transmission ratio.

Optionally, the first-gear transition gear and the reverse gear driven gear are duplicate gears, the reverse gear driving gear is in meshing transmission with the reverse gear driven gear, the reverse gear driven gear drives the first-gear transition gear to rotate, and the first-gear transition gear is in meshing transmission with the second-gear driven gear to realize a first-gear transmission ratio.

Alternatively,

a fifth-gear driving gear and a seventh-gear driving gear are coaxially and fixedly arranged on the first input shaft;

a six-gear driving gear and an eight-gear driving gear are coaxially and fixedly arranged on the second input shaft;

the first output shaft is also provided with a fifth-gear driven gear and a sixth-gear driven gear which are sleeved in an empty way;

and the second output shaft is also provided with a seven-gear driven gear and an eight-gear driven gear which are not sleeved.

Optionally, the fifth gear drive gear and the seventh gear drive gear are common gears.

Optionally, the six-speed drive gear and the eight-speed drive gear are common gears.

Optionally, the third gear drive gear and the reverse gear drive gear are a common gear.

Optionally, the multi-gear dual clutch transmission further comprises a differential device, the differential device comprises a main reduction driven gear, a first output gear is arranged on the first output shaft, a second output gear is arranged on the second output shaft, and the main reduction driven gear can be meshed with the first output gear and the second output gear simultaneously.

Optionally, a fifth/reverse gear synchronizer is arranged on the first output shaft and is used for controlling the connection state of the fifth-gear driven gear or the reverse-gear driven gear and the first output shaft.

Optionally, a fourth/sixth-gear synchronizing device is further disposed on the first output shaft, and the fourth/sixth-gear synchronizing device is configured to control a connection state of the fourth-gear driven gear or the sixth-gear driven gear with the first output shaft.

According to the multi-gear double-clutch transmission, the duplicate gear is arranged on the first output shaft, the empty first-gear transition gear and the empty fourth-gear driven gear or the empty reverse-gear driven gear are set to be the duplicate gear, the duplicate gear transmits power to the second output shaft, the first-gear transmission ratio is achieved, a first-gear synchronizer does not need to be specially arranged, the structure of the multi-gear double-clutch transmission is simplified while the arrangement space is saved, and the cost is saved.

Drawings

FIG. 1 is a schematic structural diagram of a multi-speed, dual-clutch transmission according to one embodiment of the present invention;

fig. 2 is a schematic structural diagram of a multi-speed dual clutch transmission according to a second embodiment of the present invention.

In the figure:

10. a first clutch; 20. a second clutch; 30. a first input shaft; 40. a second input shaft; 50. a first output shaft; 501. a first output gear; 60. a second output shaft; 601. a second output gear; 70. a differential device;

11. a first gear driving gear; 110. a first-gear transition gear;

21. a second gear driving gear; 22. a second driven gear;

31. a third gear drive gear; 32. a third-gear driven gear;

41. a fourth gear drive gear; 42. a fourth-gear driven gear;

51. a fifth gear drive gear; 52. a fifth-gear driven gear;

61. a six-gear driving gear; 62. a six-gear driven gear;

72. a seven-speed driven gear; 82. an eight-gear driven gear; 92. a reverse driven gear;

100. a fifth/reverse gear synchronizer; 101. a fifth gear synchronizer; 102. a reverse gear synchronizer;

200. a four/six-gear synchronizer; 201. a fourth gear synchronizer; 202. a sixth gear synchronizer;

300. a third/seventh gear synchronizer; 301. a third gear synchronizer; 302. a seventh gear synchronizer;

400. a second/eighth gear synchronizer; 401. a second synchronizer; 402. eight keep off synchronous ware.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. 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 the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

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.

Example one

Referring to fig. 1, the present embodiment provides a multi-speed dual clutch transmission, specifically, the multi-speed dual clutch transmission in the present embodiment is an eight-speed dual clutch transmission, which includes eight forward gears and one reverse gear.

Specifically, the present embodiment provides a multi-speed dual clutch transmission including a first clutch 10, a second clutch 20, a first input shaft 30, a second input shaft 40, a first output shaft 50, and a second output shaft 60.

The first clutch 10 and the second clutch 20 are coaxially arranged to constitute a dual clutch.

The first input shaft 30 is in transmission connection with the output end of the first clutch 10, and the first input shaft 30 is coaxially and fixedly provided with a third-gear driving gear 31, a reverse-gear driving gear, a fifth-gear driving gear 51 and a seventh-gear driving gear; the second input shaft 40 is connected to the output end of the second clutch 20 in a transmission manner and is coaxially disposed with the first input shaft 30, and specifically, the second input shaft 40 is sleeved on the first input shaft 30 to save the arrangement space. The second input shaft 40 is coaxially and fixedly provided with a second-gear driving gear 21, a fourth-gear driving gear 41, a sixth-gear driving gear 61 and an eighth-gear driving gear.

Specifically, in the present embodiment, the fifth-gear drive gear 51 and the seventh-gear drive gear are common gears; the six-gear driving gear 61 and the eight-gear driving gear are common gears; the third-gear driving gear 31 and the reverse-gear driving gear are common gears; due to the design of the shared gear, the arrangement space of the multi-gear double-clutch transmission can be saved.

The first output shaft 50 is provided with an empty first-gear transition gear 110, a fourth-gear driven gear 42, a reverse-gear driven gear 92, a fifth-gear driven gear 52 and a sixth-gear driven gear 62, and the second output shaft 60 is provided with an empty second-gear driven gear 22, a third-gear driven gear 32, a seventh-gear driven gear 72 and an eighth-gear driven gear 82.

The first-gear transition gear 110 and the fourth-gear driven gear 42 or the reverse-gear driven gear 92 form a duplicate gear; the first input shaft 30 rotates to drive the dual gear to rotate, and the dual gear transmits power to the second output shaft 60, so that a first-gear transmission ratio is realized.

In the embodiment, gears are increased by arranging the duplicate gear without specially additionally arranging the gear and the synchronizer, so that the gears can be increased, the axial space is saved, the control unit is reduced, and the manufacturing cost is saved.

Two coaxial gears separated by a certain distance are integrated into a whole, so that the two gears can rotate simultaneously, namely the dual gear.

Specifically, in this embodiment, the first-gear transition gear 110 and the fourth-gear driven gear 42 are dual gears, the first-gear driving gear 11 is disposed on the first input shaft 30, the first-gear driving gear 11 is in meshing transmission with the first-gear transition gear 110, the first-gear transition gear 110 drives the fourth-gear driven gear 42 to rotate, the fourth-gear driven gear 42 is in meshing transmission with the fourth-gear driving gear 41, the fourth-gear driving gear 41 drives the second-gear driving gear 21 to rotate, and the second-gear driving gear 21 is in meshing transmission with the second-gear driven gear 22, so as to achieve a first-gear transmission ratio.

Further, the multi-gear double-clutch transmission further comprises a differential device 70, the differential device 70 comprises a main reduction driven gear, the first output gear 501 is arranged on the first output shaft 50, the second output gear 601 is arranged on the second output shaft 60, and the main reduction driven gear can be meshed with the first output gear 501 and the second output gear 601 simultaneously to achieve a main reduction ratio.

In order to enable the idler driven gear to mesh with its mating drive gear during a gear shift, the multi-speed dual clutch transmission in this embodiment further includes a plurality of synchronizers. The synchronizer is used for controlling the separation or the engagement of the driven gear of the empty sleeve and the shaft on which the driven gear is positioned.

The first output shaft 50 is provided with a five/reverse synchronization device 100, and the five/reverse synchronization device 100 is used for controlling the connection state of the fifth-gear driven gear 52 or the reverse driven gear 92 with the first output shaft 50. Specifically, the five/reverse synchronizer 100 includes a five-speed synchronizer 101 and a reverse synchronizer 102, and the five-speed synchronizer 101 is capable of drivingly connecting the fifth-speed driven gear 52 to the first output shaft 50; the reverse synchronizer 102 is capable of drivingly connecting the reverse driven gear 92 to the first output shaft 50.

The first output shaft 50 is also provided with a four/six-speed synchronizer 200, and the four/six-speed synchronizer 200 is used for controlling the connection state of the fourth-speed driven gear 42 or the sixth-speed driven gear 62 and the first output shaft 50. Specifically, the four/six-speed synchronizer 200 includes a four-speed synchronizer 201 and a six-speed synchronizer 202, and the four-speed synchronizer 201 can be used for driving and connecting the four-speed driven gear 42 to the first output shaft 50; the sixth speed synchronizer 202 is capable of drivingly connecting the sixth speed driven gear 62 to the first output shaft 50.

The second output shaft 60 is provided with a three/seven-speed synchronizer 300, and the three/seven-speed synchronizer 300 is used for controlling the connection state of the third-speed driven gear 32 or the seventh-speed driven gear 72 and the second output shaft 60. Specifically, the third/seventh gear synchronizer 300 includes a third gear synchronizer 301 and a seventh gear synchronizer 302, and the third gear synchronizer 301 can drivingly connect the third gear driven gear 32 to the second output shaft 60; the seven-speed synchronizer 302 is capable of drivingly connecting the seven-speed driven gear 72 to the second output shaft 60.

The second output shaft 60 is provided with a two/eight speed synchronizing device 400, and the two/eight speed synchronizing device 400 is used for controlling the connection state of the second-speed driven gear 22 or the eight-speed driven gear 82 and the second output shaft 60. Specifically, the second/eighth gear synchronizer 400 includes a second gear synchronizer 401 and an eighth gear synchronizer 402, and the second gear synchronizer 401 can drivingly connect the second gear driven gear 22 to the second output shaft 60; the eight speed synchronizer 402 is capable of drivingly connecting the eight speed driven gear 82 to the second output shaft 60.

Specifically, in the present embodiment, the first-gear driving gear 11 on the first input shaft 30 is engaged with the first-gear transition gear 110 on the first output shaft 50 to form a first-gear transition gear set. The second-gear driving gear 21 is meshed with the second-gear driven gear 22 to form a second-gear set; the three-gear driving gear 31 is meshed with the three-gear driven gear 32 to form a three-gear set; the four-gear driving gear 41 is meshed with the four-gear driven gear 2 to form a four-gear set; the five-gear driving gear 51 is meshed with the five-gear driven gear 52 to form a five-gear set; the six-gear driving gear 61 is meshed with the six-gear driven gear 62 to form a six-gear set; the seven-gear driving gear is meshed with the seven-gear driven gear 72 to form a seven-gear group; the eight-gear driving gear is meshed with the eight-gear driven gear 82 to form an eight-gear set; the reverse drive gear meshes with the reverse driven gear 92 to form a reverse gear set.

In this embodiment, utilize the duplicate gear structure, realized a fender drive ratio through a fender transition gear group, two keep off the gear train, four keep off the gear train, need not a fender synchronous ware, both reduced axial length, reduced corresponding control unit again.

Specifically, in this embodiment, the transmission routes of different gears are:

a first gear transmission route: the first clutch 10 → the first input shaft 30 → the first-speed drive gear 11 → the first-speed transition gear 110 → the fourth-speed driven gear 42 → the fourth-speed drive gear 41 → the second-speed drive gear 20 → the second-speed driven gear 22 → the second-speed synchronizer 401 → the second output shaft 60 → the second output gear 601 → the differential device 70;

a second-gear transmission route: the second clutch 20 → the second input shaft 40 → the second drive gear 21 → the second driven gear 22 → the second synchronizer 401 → the second output shaft 60 → the second output gear 601 → the differential device 70;

a third gear transmission route: the first clutch 10 → the first input shaft 30 → the third-gear drive gear 31 → the third-gear driven gear 32 → the third-gear synchronizer 301 → the second output shaft 60 → the second output gear 601 → the differential device 70;

a fourth gear transmission route: the second clutch 20 → the second input shaft 40 → the fourth-gear driving gear 41 → the fourth-gear driven gear 42 → the fourth-gear synchronizer 201 → the first output shaft 50 → the first output gear 501 → the differential device 70;

a fifth gear transmission route: the first clutch 10 → the first input shaft 30 → the fifth-gear drive gear 51 → the fifth-gear driven gear 52 → the fifth-gear synchronizer 101 → the first output shaft 50 → the first output gear 501 → the differential device 70;

a six-gear transmission route: the second clutch 20 → the second input shaft 40 → the sixth-gear drive gear 61 → the sixth-gear driven gear 62 → the sixth-gear synchronizer 202 → the first output shaft 50 → the first output gear 501 → the differential device 70;

a seven-gear transmission route: the first clutch 10 → the first input shaft 30 → the fifth-gear drive gear 51 → the seventh-gear driven gear 72 → the seventh-gear synchronizer 302 → the second output shaft 60 → the second output gear 601 → the differential device 70;

eight-gear transmission route: the second clutch 20 → the second input shaft 40 → the sixth-gear drive gear 61 → the eight-gear driven gear 82 → the eight-gear synchronizer 402 → the second output shaft 60 → the second output gear 601 → the differential device 70;

a reverse gear transmission route: the first clutch 10 → the first input shaft 30 → the third-gear drive gear 31 → the third-gear driven gear 32 → the reverse-gear driven gear 92 → the reverse synchronizer 102 → the first output shaft 50 → the first output gear 501 → the differential device 70.

Example two

Referring to fig. 2, the present embodiment provides a multi-gear dual clutch transmission, which is different from the first embodiment in that the first-gear transition gear 110 and the reverse-gear driven gear 92 are dual gears, the reverse-gear driving gear is in meshing transmission with the reverse-gear driven gear 92, the reverse-gear driven gear 92 drives the first-gear transition gear 110 to rotate, and the first-gear transition gear 110 is in meshing transmission with the second-gear driven gear 22 to form a first-gear transition gear set, so as to achieve a first-gear transmission ratio.

In this embodiment, the first gear transmission line is: the first clutch 10 → the first input shaft 30 → the reverse drive gear (i.e., the third drive gear 31) → the reverse driven gear 92 → the first-speed transition gear 110 → the second-speed driven gear 22 → the second-speed synchronizer 401 → the second output shaft 60 → the second output gear 601 → the differential device 70.

Compared with the first embodiment, the first gear driving gear 11 is not required, the arrangement space is further saved, and the cost is reduced.

The remaining features of this embodiment are the same as those of the first embodiment, and are not described herein again.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A multi-speed, dual clutch transmission, comprising:
a first clutch (10);
the first input shaft (30) is in transmission connection with the output end of the first clutch (10), and a three-gear driving gear (31) and a reverse gear driving gear are coaxially and fixedly arranged on the first input shaft (30);
a second clutch (20);
the second input shaft (40) is in transmission connection with the output end of the second clutch (20) and is coaxially arranged with the first input shaft (30), and a second-gear driving gear (21) and a fourth-gear driving gear (41) are coaxially and fixedly arranged on the second input shaft (40);
the first output shaft (50) is provided with a first-gear transition gear (110), a fourth-gear driven gear (42) and a reverse-gear driven gear (92) which are not sleeved, and the first-gear transition gear (110) and the fourth-gear driven gear (42) or the reverse-gear driven gear (92) form a duplicate gear;
a second output shaft (60) which is provided with a second-gear driven gear (22) and a third-gear driven gear (32) which are empty;
the first input shaft (30) rotates to drive the duplicate gear to rotate, and the duplicate gear transmits power to the second output shaft (60) to realize a first-gear transmission ratio.
2. The multi-gear double-clutch transmission according to claim 1, wherein the first-gear transition gear (110) and the fourth-gear driven gear (42) are duplicate gears, a first-gear driving gear (11) is arranged on the first input shaft (30), the first-gear driving gear (11) is in meshing transmission with the first-gear transition gear (110), the first-gear transition gear (110) drives the fourth-gear driven gear (42) to rotate, the fourth-gear driven gear (42) is in meshing transmission with the fourth-gear driving gear (41), the fourth-gear driving gear (41) drives the second-gear driving gear (21) to rotate, and the second-gear driving gear (21) is in meshing transmission with the second-gear driven gear (22) to realize a first-gear transmission ratio.
3. The multi-gear dual clutch transmission according to claim 1, characterized in that the first-gear transition gear (110) and the reverse gear driven gear (92) are dual gears, the reverse gear driving gear is in meshed transmission with the reverse gear driven gear (92), the reverse gear driven gear (92) drives the first-gear transition gear (110) to rotate, and the first-gear transition gear (110) is in meshed transmission with the second-gear driven gear (22) to realize a first-gear transmission ratio.
4. Multi-speed dual clutch transmission according to any of claims 1 to 3,
a fifth-gear driving gear (51) and a seventh-gear driving gear are coaxially and fixedly arranged on the first input shaft (30);
a six-gear driving gear (61) and an eight-gear driving gear are coaxially and fixedly arranged on the second input shaft (40);
the first output shaft (50) is also provided with a fifth-gear driven gear (52) and a sixth-gear driven gear (62) which are sleeved;
and the second output shaft (60) is also provided with a seven-gear driven gear (72) and an eight-gear driven gear (82) which are sleeved in an empty way.
5. The multi-speed, dual-clutch transmission as claimed in claim 4, characterized in that the five-speed drive gear (51) and the seven-speed drive gear are common gears.
6. The multi-speed, dual-clutch transmission as recited in claim 4, characterized in that the six-speed drive gear (61) and the eight-speed drive gear are common gears.
7. The multi-speed dual clutch transmission according to claim 4, characterized in that the third gear driving gear (31) and the reverse gear driving gear are common gears.
8. The multi-speed double-clutch transmission according to claim 4, characterized in that it further comprises a differential device (70), said differential device (70) comprising a main reduction driven gear, on said first output shaft (50) there being provided a first output gear (501) and on said second output shaft (60) there being provided a second output gear (601), said main reduction driven gear being capable of meshing simultaneously with said first output gear (501) and said second output gear (601).
9. The multi-speed double clutch transmission according to claim 4, characterized in that a five/reverse synchronization device (100) is provided on the first output shaft (50), the five/reverse synchronization device (100) being used to control the connection state of the fifth gear driven gear (52) or the reverse gear driven gear (92) with the first output shaft (50).
10. The multi-speed double clutch transmission according to claim 4, characterized in that a four/six-speed synchronizer (200) is further provided on the first output shaft (50), the four/six-speed synchronizer (200) being used to control the connection state of the four-speed driven gear (42) or the six-speed driven gear (62) with the first output shaft (50).
CN201911419597.2A 2019-12-31 2019-12-31 Multi-gear double-clutch transmission CN110985613A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060207365A1 (en) * 2005-03-17 2006-09-21 Reid Baldwin Dual clutch kinematic arrangements with wide span
CN202431850U (en) * 2011-12-31 2012-09-12 绵阳新晨动力机械有限公司 Double-clutch transmission
CN102996746A (en) * 2012-10-31 2013-03-27 奇瑞汽车股份有限公司 Dual clutch transmission
CN103758944A (en) * 2011-12-31 2014-04-30 绵阳新晨动力机械有限公司 Driving device for dual-clutch transmission
CN103758970A (en) * 2011-12-31 2014-04-30 绵阳新晨动力机械有限公司 Driving device for dual-clutch transmission
CN103758945A (en) * 2013-12-25 2014-04-30 浙江吉利控股集团有限公司 Dual-clutch automatic transmission
CN103912651A (en) * 2012-12-31 2014-07-09 重庆长安汽车股份有限公司 Double-clutch automatic gearbox transmission device
CN108036028A (en) * 2017-11-09 2018-05-15 宁波上中下自动变速器有限公司 The transmission device and double-clutch speed changer of a kind of double-clutch speed changer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060207365A1 (en) * 2005-03-17 2006-09-21 Reid Baldwin Dual clutch kinematic arrangements with wide span
CN202431850U (en) * 2011-12-31 2012-09-12 绵阳新晨动力机械有限公司 Double-clutch transmission
CN103758944A (en) * 2011-12-31 2014-04-30 绵阳新晨动力机械有限公司 Driving device for dual-clutch transmission
CN103758970A (en) * 2011-12-31 2014-04-30 绵阳新晨动力机械有限公司 Driving device for dual-clutch transmission
CN102996746A (en) * 2012-10-31 2013-03-27 奇瑞汽车股份有限公司 Dual clutch transmission
CN103912651A (en) * 2012-12-31 2014-07-09 重庆长安汽车股份有限公司 Double-clutch automatic gearbox transmission device
CN103758945A (en) * 2013-12-25 2014-04-30 浙江吉利控股集团有限公司 Dual-clutch automatic transmission
CN108036028A (en) * 2017-11-09 2018-05-15 宁波上中下自动变速器有限公司 The transmission device and double-clutch speed changer of a kind of double-clutch speed changer

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