CN106958627B - High-performance new energy electric multi-gear transmission - Google Patents
High-performance new energy electric multi-gear transmission Download PDFInfo
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- CN106958627B CN106958627B CN201710289010.5A CN201710289010A CN106958627B CN 106958627 B CN106958627 B CN 106958627B CN 201710289010 A CN201710289010 A CN 201710289010A CN 106958627 B CN106958627 B CN 106958627B
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- gear
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- driving
- shaft
- driven
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Classifications
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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
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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
- 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
- F16H2003/0811—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 using unsynchronised 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
- 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
- F16H2003/0818—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 comprising means for power-shifting
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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
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The application relates to the technical field of vehicle transmission devices, in particular to a high-performance new energy electric multi-gear transmission, which comprises a motor, wherein the motor outputs power to a driving shaft, and a first-gear driving gear, a second-gear driving gear and a third-gear driving gear are arranged on the driving shaft; the first-gear driving gear is meshed with the first-gear auxiliary gear of the driven shaft, the second-gear driving gear is meshed with the second-gear auxiliary gear of the driven shaft, and the third-gear driving gear is meshed with the third-gear auxiliary gear of the driven shaft; the driven shaft is also provided with a driven output gear and a gear shifter; the driven output gear is meshed with a differential transmission gear on a differential assembly, and the differential assembly outputs power to the wheels; the gear shifter is driven by a spiral gear shifting mechanism, and the spiral gear shifting mechanism drives the gear shifter to shift gears based on a spiral track. The gear shifting device is smoother and more accurate, reduces the abrasion of a gear shifting structure, reduces the impact on a motor, reduces the working load of the motor, prolongs the service life and saves electricity; can be used for being connected to the rear axle of the electric vehicle, and is simple and safe to operate and control.
Description
Technical Field
The application relates to the technical field of vehicle transmission devices, in particular to the technical field of gear shifting of electric vehicles.
Background
Along with the development of science and technology, the electric vehicle has the advantages of low carbon, environmental protection and economy. In the running process of the electric vehicle, a user generally shifts gears according to needs to obtain running at different speeds. However, in the gear shifting structure of the electric vehicle in the prior art, the gear shifting is realized mainly by directly driving the gear shifting combining teeth in a hand-operated shifting fork mode, the structure has the problems that the motor is large in impact in use, the motor is easy to burn out, the gear shifting structure is rapid in abrasion and the like, and the service life is short.
Therefore, the inventor takes the spirit of research, innovation and essence and benefits, and utilizes professional eye light and professional knowledge to research a high-performance new energy electric multi-gear transmission, namely the application is provided.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provide the high-performance new-energy electric multi-gear transmission which is smooth in gear shifting, reduces abrasion of a gear shifting structure, reduces impact on a motor, reduces work load of the motor, prolongs service life and saves electricity.
In order to achieve the above purpose, the application adopts the following technical scheme:
the high-performance new energy electric multi-gear transmission comprises a motor, wherein the motor outputs power to a driving shaft, and a first-gear driving gear, a second-gear driving gear and a third-gear driving gear are arranged on the driving shaft; the first gear driving gear is meshed with the first gear auxiliary driving gear, the second gear driving gear is meshed with the second gear auxiliary driving gear, and the third gear driving gear is meshed with the third gear auxiliary driving gear; the first-gear auxiliary moving gear, the second-gear auxiliary moving gear and the third-gear auxiliary moving gear are mounted on a driven shaft together, and a driven output gear and a gear shifter for realizing power transmission connection of the first-gear auxiliary moving gear, the second-gear auxiliary moving gear and the third-gear auxiliary moving gear with the driven shaft are also arranged on the driven shaft; the driven output gear is fixedly connected with the driven shaft and is meshed with a differential transmission gear on a differential assembly, and the differential assembly outputs power to the wheels; the gear shifter is driven by a spiral gear shifting mechanism, and the spiral gear shifting mechanism drives the gear shifter to shift gears based on a spiral track.
The scheme is that the spiral gear shifting mechanism is further provided with a shifting fork, a gear shifting drum and a gear shifting rocker arm, the shifting fork is installed through a shifting fork shaft, one end of the shifting fork extends from one side of the shifting fork shaft to be connected with a gear shifter, the other end of the shifting fork extends from the other side of the shifting fork shaft to be provided with a shifting head, the shifting head is embedded into a spiral groove of a surface structure of the gear shifting drum, the gear shifting drum is driven to rotate by the gear shifting rocker arm, and therefore the shifting head moves along the track of the spiral groove to realize that the shifting fork drives the gear shifter to shift gears.
The spiral gear shifting mechanism is further provided with a gear shifting fixed disc and a gear shifting positioner, the gear shifting fixed disc is fixedly connected with the gear shifting drum, and the gear shifting positioner is matched with the gear shifting fixed disc to realize gear shifting positioning of the gear shifting drum.
The above scheme further, the gear shifter is a synchronizing ring.
The scheme is further that a matched clutch and a clutch disc are arranged between the motor and the driving shaft, the clutch is connected with an output shaft of the motor, and the clutch disc is connected with the driving shaft.
According to the scheme, the gear shifting fixing disc is provided with the positioning tooth grooves, the gear shifting locator is in a claw mode, and when the gear shifting fixing disc rotates along with the gear shifting drum, the gear shifting locator correspondingly clamps the positioning tooth grooves of the gear shifting fixing disc to achieve gear shifting and positioning of the gear shifting drum.
The gear shifter is driven by a spiral gear shifting mechanism, and the spiral gear shifting mechanism drives the gear shifter to shift gears based on a spiral track. The gear shifting is smoother and more accurate, the abrasion of a gear shifting structure is reduced, the impact on a motor is reduced, the working load of the motor is reduced, the service life is prolonged, and the power is saved. Can be used for being connected to the rear axle of the electric vehicle, and is simple and safe to operate and control.
Description of the drawings:
FIG. 1 is a schematic diagram of a preferred embodiment of the power transmission of the present application;
FIG. 2 is a schematic view of the screw-type gear shifter connection of the embodiment of FIG. 1.
The specific embodiment is as follows:
the conception, specific structure, and technical effects of the present application will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present application.
Referring to fig. 1 and 2, which are schematic structural views of a preferred embodiment of the present application, the present application relates to a high-performance new energy electric multi-gear transmission, which comprises a motor 1, wherein the motor 1 outputs power to a driving shaft 4, and a first gear driving gear 41, a second gear driving gear 42 and a third gear driving gear 43 are installed on the driving shaft 4. The first gear driving gear 41, the second gear driving gear 42 and the third gear driving gear 43 are coaxially arranged at intervals, the first gear driving gear 41 is meshed with the first gear auxiliary gear 51, the second gear driving gear 42 is meshed with the second gear auxiliary gear 52, and the third gear driving gear 43 is meshed with the third gear auxiliary gear 53. The first gear auxiliary gear 51, the second gear auxiliary gear 52 and the third gear auxiliary gear 53 are coaxially arranged on the driven shaft 5 at intervals; the driven shaft 5 is disposed in parallel with the driving shaft 4, and the driven shaft 5 is further provided with a driven output gear 54 and a gear shifter 55 for realizing power transmission connection of the first gear auxiliary gear 51, the second gear auxiliary gear 52, and the third gear auxiliary gear 53 with the driven shaft 5. The gear shifter 55 of this embodiment is preferably a synchronous ring, and is easy to manufacture and assemble, small in size, and easy and smooth to shift gears. Of course, the shifter 55 does not exclude the use of other forms of coupling gears, and is not further described in detail herein. The driven output gear 54 is fixedly connected with the driven shaft 5, and the driven output gear 54 is meshed with a differential transmission gear 61 on the differential assembly 6 to realize output power, so that the differential assembly 6 outputs power to the wheels 8 to realize running. The gear shifter 55 is driven by a screw gear shifting mechanism 7, and the screw gear shifting mechanism 7 drives the gear shifter 55 to shift gears based on a screw track.
As shown in fig. 1 and 2, the spiral gear shifting mechanism 7 comprises a shifting fork 71, a gear shifting drum 72 and a gear shifting rocker 73, the shifting fork 71 is installed through a shifting fork shaft 74, one end of the shifting fork 71 extends from one side of the shifting fork shaft 74 to be connected with the gear shifter 55, the other end of the shifting fork 71 extends from the other side of the shifting fork shaft 74 to form a shifting head 711, the shifting head 711 is embedded into a spiral groove 721 formed on the surface of the gear shifting drum 72, the gear shifting drum 72 is driven to rotate by the gear shifting rocker 73, and therefore the shifting head 711 moves along the track of the spiral groove 721 to realize that the shifting fork 71 drives the gear shifter 55 to shift gears. The gear shifting is smoother and more accurate, the abrasion of a gear shifting structure is reduced, the impact on a motor is reduced, the working load of the motor is reduced, the service life is prolonged, and the power is saved. Further, the spiral gear shifting mechanism 7 is further provided with a gear shifting fixed disc 75 and a gear shifting positioner 76, the gear shifting fixed disc 75 is fixedly connected with the gear shifting drum 72, and the gear shifting positioner 76 is matched with the gear shifting fixed disc 75 to realize gear shifting positioning of the gear shifting drum 72, realize gear shifting number control function and cannot jump gear. In the figure, the gear shift fixing plate 75 is provided with positioning tooth grooves 751, and the gear shift positioner 76 is in a claw form, so that when the gear shift fixing plate 75 rotates along with the gear shift drum 72, the gear shift positioner 76 correspondingly clamps into the positioning tooth grooves 751 of the gear shift fixing plate 75 to realize gear shift positioning of the gear shift drum 72. Simple structure, easy manufacture and assembly, stable and reliable work. In this embodiment, two shift gears 55 are respectively disposed on the space between the first gear auxiliary gear 51, the second gear auxiliary gear 52 and the third gear auxiliary gear 53, two corresponding shift forks 71 are also provided to respectively control the two shift gears 55, the two shift forks 71 are driven by the same shift drum 72 to synchronously operate, and two spiral grooves 721 meeting the operation requirement are provided on the shift drum 72 to respectively drive the two shift forks 71. In operation, the shift drum 72 is rotated by the shift rocker 73, whereby the shift head 711 moves along the track of the spiral groove 721 to shift the shift fork 71 with the shifter 55. And the shift fixing plate 75 rotates along with the shift drum 72, and the shift positioner 76 is correspondingly engaged with the positioning tooth slot 751 of the shift fixing plate 75 to achieve shift positioning of the shift drum 72.
As shown in fig. 1, a clutch 2 and a clutch disc 3 are provided between a motor 1 and a driving shaft 4 in this embodiment, the clutch 2 is connected to an output shaft 11 of the motor 1, and the clutch disc 3 is connected to the driving shaft 4. When the motor 1 works, the clutch 2 is thrown away when the motor 1 is started to reach a certain rotating speed, and the clutch 2 is combined with the clutch disc 3, so that the motor 1 outputs power to the driving shaft 4. This structure sets up, plays overload protection effect, and clutch 2 combines automatically, and protection controller, motor reduce the load of motor start-up in-process, reduce the live time of heavy current in the start-up, and when working machine surpassed, the clutch can automatic slip, can not produce "stifled car" phenomenon and cause the motor to damage, reduce the impact that the motor received, increase of service life, power saving. The gear shifting sequence is that when the gear shifting rocker arm 73 is operated, the motor 1 is decelerated, the clutch 2 is separated from the clutch disc 3, the spiral gear shifting mechanism 7 can easily and smoothly drive the gear shifter 55 to shift, and after the gear shifting is completed, the motor 1 is accelerated to a certain rotating speed, so that the clutch 2 is combined with the clutch disc 3, and the power transmission output can be achieved.
The present application has been described in detail with reference to the embodiments, but it is to be understood that the application is not limited to the embodiments, and all equivalent changes and modifications can be made according to the spirit of the application.
Claims (2)
1. The utility model provides a high performance new forms of energy electronic multispeed derailleur, is including motor (1), its characterized in that: the motor (1) outputs power to the driving shaft (4), a matched clutch (2) and a clutch disc (3) are arranged between the motor (1) and the driving shaft (4), the clutch (2) is connected with an output shaft (11) of the motor (1), and the clutch disc (3) is connected with the driving shaft (4);
a first-gear driving gear (41), a second-gear driving gear (42) and a third-gear driving gear (43) are arranged on the driving shaft (4); the first gear driving gear (41) is meshed with the first gear auxiliary driving gear (51), the second gear driving gear (42) is meshed with the second gear auxiliary driving gear (52), and the third gear driving gear (43) is meshed with the third gear auxiliary driving gear (53); the first-gear auxiliary moving gear (51), the second-gear auxiliary moving gear (52) and the third-gear auxiliary moving gear (53) are installed on the driven shaft (5) together, the driven shaft (5) is also provided with a driven output gear (54), and a gear shifter (55) for realizing power transmission connection of the first-gear auxiliary moving gear (51), the second-gear auxiliary moving gear (52) and the third-gear auxiliary moving gear (53) and the driven shaft (5) is also arranged on the driven shaft (5); the driven output gear (54) is fixedly connected with the driven shaft (5), the driven output gear (54) is meshed with a differential transmission gear (61) on the differential assembly (6), and the differential assembly (6) outputs power to the wheels (8); the gear shifter (55) is driven by a spiral gear shifting mechanism (7), and the spiral gear shifting mechanism (7) drives the gear shifter (55) to shift gears based on a spiral track;
the spiral gear shifting mechanism (7) is provided with a shifting fork (71), a gear shifting drum (72) and a gear shifting rocker (73), the shifting fork (71) is installed through a shifting fork shaft (74), one end of the shifting fork (71) extends from one side of the shifting fork shaft (74) to be connected with a gear shifter (55), the other end of the shifting fork (71) extends from the other side of the shifting fork shaft (74) to form a shifting head (711), the shifting head (711) is embedded into a spiral groove (721) formed on the surface of the gear shifting drum (72), the gear shifting drum (72) is driven to rotate by the gear shifting rocker (73), the shifting head (711) moves along the track of the spiral groove (721) to realize that the shifting fork (71) drives the gear shifter (55) to shift gears, and
the spiral gear shifting mechanism (7) is also provided with a gear shifting fixed disc (75) and a gear shifting positioner (76), the gear shifting fixed disc (75) is fixedly connected with the gear shifting drum (72), and the gear shifting positioner (76) is matched with the gear shifting fixed disc (75) to realize gear shifting positioning of the gear shifting drum (72); the gear shifting fixing plate (75) is provided with a positioning tooth groove (751), and the gear shifting positioner (76) is in a claw form, so that when the gear shifting fixing plate (75) rotates along with the gear shifting drum (72), the gear shifting positioner (76) is correspondingly clamped into the positioning tooth groove (751) of the gear shifting fixing plate (75) to achieve gear shifting positioning of the gear shifting drum (72).
2. The high performance new energy electric multi-speed transmission of claim 1, wherein: the shifter (55) is a synchronizer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710289010.5A CN106958627B (en) | 2017-04-27 | 2017-04-27 | High-performance new energy electric multi-gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710289010.5A CN106958627B (en) | 2017-04-27 | 2017-04-27 | High-performance new energy electric multi-gear transmission |
Publications (2)
| Publication Number | Publication Date |
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| CN106958627A CN106958627A (en) | 2017-07-18 |
| CN106958627B true CN106958627B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710289010.5A Active CN106958627B (en) | 2017-04-27 | 2017-04-27 | High-performance new energy electric multi-gear transmission |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107420495A (en) * | 2017-08-08 | 2017-12-01 | 重庆康昌机械制造有限公司 | The rearmounted shift gearbox of multifunctional motor-driven |
| DE102019213179A1 (en) * | 2019-08-30 | 2021-03-04 | Gkn Automotive Limited | Shift drum assembly and gear assembly with such a shift drum assembly |
| CN115875448B (en) * | 2023-02-20 | 2023-10-10 | 江苏淮海新能源车辆有限公司 | Speed change device of electric tricycle |
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