CN111173925A - Gear shifting mechanism and gear shifting method of transmission and vehicle - Google Patents
Gear shifting mechanism and gear shifting method of transmission and vehicle Download PDFInfo
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- CN111173925A CN111173925A CN202010075741.1A CN202010075741A CN111173925A CN 111173925 A CN111173925 A CN 111173925A CN 202010075741 A CN202010075741 A CN 202010075741A CN 111173925 A CN111173925 A CN 111173925A
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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
- F16H63/32—Gear shift yokes, e.g. shift forks
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0432—Lubricant guiding means on or inside shift rods or shift forks
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0468—Shift rods or shift forks
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2892—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted other gears, e.g. worm gears, for transmitting rotary motion to the output mechanism
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
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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
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/322—Gear shift yokes, e.g. shift forks characterised by catches or notches for moving the fork
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a gear shifting mechanism of a transmission, a gear shifting method and a vehicle, and particularly relates to a gear shifting mechanism applied to a transmission of a new energy automobile.
Description
Technical Field
The invention relates to the field of transmissions of new energy automobiles, in particular to a gear shifting mechanism of a transmission.
Background
With the increasingly depleted world energy and the influence of global environment, new energy automobiles become the focus of the automobile industry, compared with traditional automobiles, the power source of the new energy automobiles is changed from an engine to a driving motor, however, due to the constraints of vehicle space limitation and use environment, the electric driving system for the automobile is different from a common electric driving system, and the electric driving system for the automobile is required to have higher running performance, specific power, adapt to harsher working environment and the like.
Most present derailleurs still are the XY formula gearshift of selecting earlier the fender back and shifting gears, because the limitation of its structure, there is the jump fender at the in-process of shifting, the indiscriminate risk of keeping off, cause the jamming of shifting, this kind of condition, not only can reduce the quality of shifting, still can cause the damage of different degrees to the derailleur, influence its life, also there are a small number of derailleurs to adopt the drum gear shifting mechanism of shifting, but its actuating motor direct drive shift drum, the conversion mechanism of moment of torsion is not enlargied in the centre, lead to the motor volume great, and actuating motor and shift drum are coaxial arrangement, occupation space is great, the structure is compact enough.
And the drum-type gearshift that shifts who adopts among the prior art, it is the guide pin cooperation between shift fork and the shift drum, and the guide pin is fixed on the shift fork, the in-process guide pin of shifting does not have relative rotation, belong to sliding friction, frictional force is great, lead to shifting force great, the guide pin is easy to appear the jamming phenomenon in shift drum guide slot turning, influence the ride comfort of shifting, and the guide pin generally arranges on declutch shift shaft guiding hole department or extension plate on the shift fork, it is far away from fork foot stress point, shift fork easy slope and deformation in the shift process, thereby lead to shifting the lock jamming when tooth cover combines with the gear, shift in-process impact is more serious, lead to the wearing and tearing of guide pin easily, influence gearshift's life.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a device for testing the accelerated service life of a ball screw, which is used for verifying the service life of the ball screw in a short test period.
In order to solve the technical problem, the invention provides a gear shifting mechanism of a transmission, which comprises an actuating mechanism, a worm and gear mechanism and at least one gear shifting drum assembly; the shift drum closes the piece and includes shift drum, shift fork and connecting piece, worm gear mechanism's input with actuating mechanism's output transmission is connected, worm gear mechanism's output with shift drum transmission is connected, shift drum's surface is provided with the rotatory guide slot in predetermined route, its characterized in that, the connecting piece is established including installing the guide pin on the shift fork gasket, bearing and snap ring on the guide pin, bearing sets up bearing the gasket with between the snap ring, bearing's external diameter equals with shift drum's rotatory guide slot's internal diameter, the connecting piece pass through bearing with shift drum's rotatory guide slot cooperation is connected.
Further, shift the drum and close the piece and have two, wherein, first shift drum closes the piece and includes first shift drum and first shift fork, and second shift drum closes the piece and includes second shift drum and second shift fork, the output of worm gear mechanism with first shift drum with the transmission of second shift drum is connected, first shift drum with the surface of second shift drum all is equipped with predetermined rotatory guide slot.
Further, the first shift drum assembly and the second shift drum assembly are arranged on a same shaft.
Further, the first shift drum assembly and the second shift drum assembly are arranged on two shafts, respectively.
Furthermore, a lubricating oil path for lubricating the needle bearing is arranged on the shifting fork.
Further, the present invention provides a method for shifting a dual-source transmission, the dual-source transmission comprising the shift mechanism of any one of the above claims, the shift mechanism comprising a first shift drum assembly and a second shift drum assembly, the output ends of the first shift drum assembly and the second shift drum assembly being respectively connected to a power source of the dual-source transmission, the method comprising the steps of:
firstly, a first shifting fork of a first gear shifting drum assembly and a second shifting fork of a second gear shifting drum assembly are both positioned in the middle of a gear shifting drum;
step two, the motor is executed to work, torque is transmitted to a first gear shifting drum of a first gear shifting drum assembly and a second gear shifting drum of a second gear shifting drum assembly through a worm and a worm wheel, the first gear shifting drum drives a first shifting fork to move leftwards through a rotating guide groove, and meanwhile the second gear shifting drum drives a second shifting fork to move leftwards through the rotating guide groove, so that first gear engagement is achieved;
step three, the execution motor continues to work, at the moment, the angle of the path of the rotating guide groove of the second gear shifting drum is unchanged, the position of the second shifting fork is also kept unchanged, the angle of the path of the rotating guide groove of the first gear shifting drum moves rightwards, and the rotating guide groove drives the first shifting fork to move rightwards, so that two gears are engaged;
step four, the executing motor continues to work, at the moment, the angle of the path of the rotating guide groove of the first gear shifting drum is unchanged, the position of the first shifting fork is also kept unchanged, the angle of the path of the rotating guide groove of the second gear shifting drum moves rightwards, and the second shifting fork is driven to move rightwards through the rotating path, so that three-gear engagement is realized;
and step five, the execution motor continues to work, the angle of the path of the rotating guide groove of the second gear shifting drum is unchanged, the position of the second shifting fork is also kept unchanged, the angle of the path of the rotating guide groove of the first gear shifting drum moves leftwards, and the first shifting fork is driven to move leftwards through the rotating path, so that the four-gear engagement is realized.
Further, the invention also proposes a vehicle characterized in that it comprises a gear shift mechanism according to any one of claims 1 to 5.
Compared with the prior art, the invention has the advantages that: 1) a friction pair between the shifting fork and the shifting drum adopts a needle bearing, and a lubricating oil path is designed on the shifting fork, so that the needle bearing is ensured to have enough lubrication, the shifting force can be effectively reduced, the shifting smoothness is improved, and the higher shifting quality is obtained; 2) the actuating mechanism adopts a worm gear mechanism, so that the size of the actuating motor can be reduced, the actuating motor and the gear shifting drum can be vertically arranged, the structure is more compact, and the space is saved; 3) in addition, the gear shifting mechanism comprises two gear shifting drums, the two gear shifting drums are arranged on the same shaft and share one executing motor, multi-gear sequential gear shifting is achieved, the problems of gear jumping and disorder caused by the prior art are solved, the structure is simplified, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a shift mechanism of a transmission of the present invention.
Fig. 2 is a perspective view of the coupling member of the shift drum assembly of the present invention.
Fig. 3 is a schematic view of the structure of the coupling member of the shift drum assembly of the present invention.
FIG. 4 is a schematic view of the shift drum assembly for the neutral mode of the shift mechanism of the present invention.
Fig. 5 is a schematic view of a shift drum assembly for a first gear of the shift mechanism of the present invention.
Fig. 6 is a schematic view of the second gear shift drum assembly of the gear shift mechanism of the present invention.
Fig. 7 is a schematic view of a shift drum assembly for third gear of the shift mechanism of the present invention.
Fig. 8 is a schematic view of a shift drum assembly for a fourth gear of the shift mechanism of the present invention.
FIG. 1-actuator motor; 2-a worm gear; 3-a worm; 4-worm gear shaft; 5-a first shift drum; 6-a first fork; 7-a second shift drum; 8-a second fork; 9-a connector; 91-a guide pin; 92-a gasket; 93-needle bearings; 94-snap ring.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The terms used in the present specification are used for describing the embodiments, and are not intended to limit the present invention. In this specification, the singular forms also include the plural forms as long as they are not specifically referred to in the sentence. The terms "comprises" and/or "comprising" as used herein, are intended to indicate that the recited elements, steps, acts, and/or components do not preclude the presence or addition of one or more other elements, steps, acts, and/or components. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a view showing a shift mechanism relating to a transmission of the present embodiment, the shift mechanism including an actuator, a worm gear mechanism, a first shift drum assembly and a second shift drum assembly,
the actuating mechanism adopts an actuating motor (1);
the worm and gear mechanism comprises a worm (3) in transmission connection with the execution motor (1), a worm gear (2) in meshing connection with the worm (3), and a worm gear shaft (4) in transmission connection with the worm gear (2);
the first shift drum closes the piece and includes first shift drum (5) and first shift fork (6) of shifting, and the second shift drum closes the piece and includes second shift drum (7) and second shift fork (8), worm-gear shaft (4) with first shift drum (5) with second shift drum (7) transmission is connected, first shift drum (5) with the surface of second shift drum (7) all is equipped with predetermined rotatory guide slot.
During operation execution motor (1) output torque passes through after worm gear mechanism enlargies to first shift drum (5) and second shift drum (7), first shift drum (5) with second shift drum (7) stop when reacing the required position of fender position according to predetermined angular rotation, control the position of first shift fork (6) and second shift fork (8) respectively through the rotatory guide slot that sets up on it, can realize that four orders of keeping off the position are shifted.
Fig. 2-3 are schematic views showing the structure of the connection between the shift drum and the shift fork, the shift fork and the shift drum are connected through a connection piece (9), and the connection piece (9) comprises a guide pin (91) installed on the shift fork; the gear shifting drum comprises a gasket (92), a needle bearing (93) and a clamping ring (94) which are sleeved on the guide pin (91), the needle bearing (93) is arranged between the gasket (92) and the clamping ring (94), the gasket (92) limits the needle bearing (93), the tail end of the needle bearing (93) is limited by the clamping ring (94), the outer diameter of the needle bearing (93) is equal to the inner diameter of a rotating guide groove of the gear shifting drum, and the needle bearing (93) and the rotating guide groove are connected in a matched mode.
Needle bearing belongs to rolling friction, not only can reduce the friction, reduce the power of shifting, and can effectively improve the ride comfort of shifting, and design lubricated oil circuit (see fig. 2) on the shift fork in order to guarantee that needle bearing has sufficient lubrication, not only can reduce wearing and tearing, the prevention ablation, extension needle bearing's life, and can further reduce the power of shifting, it is lighter to make to shift gears, smooth-going, therefore, adopt this gearshift, can obtain higher quality of shifting, in addition, the pilot pin is nearer apart from the shift fork point of force of application, the slope and the deflection that the shift fork produced among the process of shifting are less, be favorable to shifting the combination of tooth cover and gear, and then improve the jamming of shifting and feel, and reduce the impact force of shifting. Therefore, by adopting the gear shifting mechanism, the gear shifting is more portable and smooth, and higher gear shifting quality can be obtained.
Fig. 4 to 8 show a specific process of a shift mechanism of a dual power source transmission:
fig. 4 shows the neutral mode in the initial state, in which the first fork (6) of the first shift drum assembly and the second fork (8) of the second shift drum assembly are both located in the middle of the shift drum.
Fig. 5 shows a state from neutral to first gear, wherein the actuating motor (1) works, torque is transmitted to the first gear shifting drum (5) of the first gear shifting drum assembly and the second gear shifting drum (7) of the second gear shifting drum assembly through the worm (3) and the worm wheel (2), and at the moment, paths of rotating guide grooves of the first gear shifting drum (5) and the second gear shifting drum (7) move towards the left side by a certain angle, so that the first shifting fork (6) and the second shifting fork (8) can be driven to move towards the left through the rotating guide grooves, and therefore first gear shifting and gear shifting are achieved.
Fig. 6 shows the first gear to the second gear: the executing motor (1) continues to work, the first gear shifting drum (5) and the second gear shifting drum (7) are driven to continue to rotate through the worm (3) and the worm wheel (2), the position of the second shifting fork (8) is kept unchanged at the moment due to the fact that the angle of the rotating guide groove of the second gear shifting drum (7) is unchanged, the path of the rotating guide groove of the first gear shifting drum (5) moves to the right side by a certain angle, and therefore the first shifting fork (6) can be driven to move rightwards through the rotating guide groove, and therefore two gears are engaged.
Fig. 7 shows the first gear: the executing motor (1) continues to work, the first gear shifting drum (5) and the second gear shifting drum (7) are driven to continue to rotate through the worm (3) and the worm wheel (2), at the moment, the position of the first shifting fork (6) is kept unchanged due to the fact that the angle of the rotating guide groove of the first gear shifting drum (5) is unchanged, the path of the rotating guide groove of the second gear shifting drum (7) moves rightwards by a certain angle, and therefore the second shifting fork (8) can be driven to move rightwards through the rotating guide groove, and therefore three-gear engagement is achieved.
Fig. 8 shows the third gear to the fourth gear: the executing motor (1) continues to work, the first gear shifting drum (5) and the second gear shifting drum (7) are driven to continue to rotate through the worm (3) and the worm wheel (2), the position of the second shifting fork (8) is kept unchanged at the moment due to the fact that the angle of the rotating guide groove of the second gear shifting drum (7) is unchanged, the path of the rotating guide groove of the first gear shifting drum (5) moves leftwards by a certain angle, and therefore the first shifting fork (6) can be driven to move leftwards through the rotating guide groove, and four-gear engagement is achieved.
The gear shifting mechanism is also suitable for a single-power-source transmission, namely two shifting forks are arranged on the same shaft, only the paths of two gear shifting drums are matched, and four gears can be shifted sequentially.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. A gear shifting mechanism of a transmission comprises an actuating mechanism, a worm and gear mechanism and at least one gear shifting drum assembly; the gear shift drum assembly comprises a gear shift drum, a shifting fork and a connecting piece, the input end of the worm gear mechanism is in transmission connection with the output end of the actuating mechanism, the output end of the worm gear mechanism is in transmission connection with the gear shift drum, the outer surface of the gear shift drum is provided with a rotating guide groove with a preset path, and the gear shift drum assembly is characterized in that,
the connecting piece comprises a guide pin arranged on a shifting fork, a gasket sleeved on the guide pin, a needle bearing and a clamping ring, the needle bearing is arranged between the gasket and the clamping ring, the outer diameter of the needle bearing is equal to the inner diameter of a rotary guide groove of the gear shifting drum, and the connecting piece is matched and connected with the rotary guide groove of the gear shifting drum through the needle bearing.
2. The gearshift mechanism of claim 1, wherein there are two shift drum assemblies, wherein the first shift drum assembly comprises a first shift drum and a first fork, the second shift drum assembly comprises a second shift drum and a second fork, the output end of the worm gear mechanism is in transmission connection with the first shift drum and the second shift drum, and the outer surfaces of the first shift drum and the second shift drum are provided with preset rotation guide grooves.
3. A transmission shift mechanism as set forth in claim 2 wherein said first shift drum assembly and said second shift drum assembly are coaxially arranged.
4. A transmission shift mechanism as set forth in claim 2 wherein said first shift drum assembly and said second shift drum assembly are disposed on two shafts, respectively.
5. A gear change mechanism for a transmission as claimed in any one of claims 1 to 4, wherein the shift fork is provided with a lubricating oil passage for lubricating the needle bearing.
6. A method of shifting a dual-source transmission comprising a shifting mechanism according to any one of the preceding claims, said shifting mechanism comprising a first shifting drum and a second shifting drum, the outputs of said first and second shifting drums being connected to respective power sources of said dual-source transmission, said method comprising the steps of:
firstly, a first shifting fork of a first gear shifting drum assembly and a second shifting fork of a second gear shifting drum assembly are both positioned in the middle of a gear shifting drum;
step two, the motor is executed to work, torque is transmitted to a first gear shifting drum of a first gear shifting drum assembly and a second gear shifting drum of a second gear shifting drum assembly through a worm and a worm wheel, the first gear shifting drum drives a first shifting fork to move leftwards through a rotating guide groove, and meanwhile the second gear shifting drum drives a second shifting fork to move leftwards through the rotating guide groove, so that first gear engagement is achieved;
step three, the execution motor continues to work, at the moment, the angle of the path of the rotating guide groove of the second gear shifting drum is unchanged, the position of the second shifting fork is also kept unchanged, the angle of the path of the rotating guide groove of the first gear shifting drum moves rightwards, and the rotating guide groove drives the first shifting fork to move rightwards, so that two gears are engaged;
step four, the executing motor continues to work, at the moment, the angle of the path of the rotating guide groove of the first gear shifting drum is unchanged, the position of the first shifting fork is also kept unchanged, the angle of the path of the rotating guide groove of the second gear shifting drum moves rightwards, and the second shifting fork is driven to move rightwards through the rotating path, so that three-gear engagement is realized;
and step five, the execution motor continues to work, the angle of the path of the rotating guide groove of the second gear shifting drum is unchanged, the position of the second shifting fork is also kept unchanged, the angle of the path of the rotating guide groove of the first gear shifting drum moves leftwards, and the first shifting fork is driven to move leftwards through the rotating path, so that the four-gear engagement is realized.
7. A vehicle, characterized in that the vehicle comprises a gear shift mechanism according to any of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075741.1A CN111173925A (en) | 2020-01-22 | 2020-01-22 | Gear shifting mechanism and gear shifting method of transmission and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075741.1A CN111173925A (en) | 2020-01-22 | 2020-01-22 | Gear shifting mechanism and gear shifting method of transmission and vehicle |
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| CN111173925A true CN111173925A (en) | 2020-05-19 |
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| CN202010075741.1A Pending CN111173925A (en) | 2020-01-22 | 2020-01-22 | Gear shifting mechanism and gear shifting method of transmission and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992881A (en) * | 2023-02-02 | 2023-04-21 | 特百佳动力科技股份有限公司 | Gear shifting mechanism, transmission and vehicle |
| WO2023155388A1 (en) * | 2022-02-18 | 2023-08-24 | 中国第一汽车股份有限公司 | Speed reducer disconnecting device, speed reducer, and vehicle |
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| CN102287527A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Transmission shift mechanism |
| CN202301905U (en) * | 2011-10-26 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Linkage structure for automobile gear position shifting fork |
| KR20140067490A (en) * | 2012-11-26 | 2014-06-05 | 서강대학교산학협력단 | Shifting apparatus for dual clutch transmission |
| CN103062395A (en) * | 2013-01-09 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Gear shifting mechanism of manual transmission |
| CN103148214A (en) * | 2013-02-28 | 2013-06-12 | 长城汽车股份有限公司 | Vehicle and gearshift operating mechanism thereof |
| JP2015081634A (en) * | 2013-10-22 | 2015-04-27 | トヨタ自動車株式会社 | Drum type transmission |
| CN206234354U (en) * | 2016-11-10 | 2017-06-09 | 同济大学 | A kind of drum-type cam mechanism based on rolling friction pair |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155388A1 (en) * | 2022-02-18 | 2023-08-24 | 中国第一汽车股份有限公司 | Speed reducer disconnecting device, speed reducer, and vehicle |
| CN115992881A (en) * | 2023-02-02 | 2023-04-21 | 特百佳动力科技股份有限公司 | Gear shifting mechanism, transmission and vehicle |
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