CN215806238U - Multi-gear speed change system of electric motorcycle - Google Patents
Multi-gear speed change system of electric motorcycle Download PDFInfo
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- CN215806238U CN215806238U CN202121557112.9U CN202121557112U CN215806238U CN 215806238 U CN215806238 U CN 215806238U CN 202121557112 U CN202121557112 U CN 202121557112U CN 215806238 U CN215806238 U CN 215806238U
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Abstract
The utility model discloses a multi-gear speed change system of an electric motorcycle, and relates to the field of electric motorcycles. The key points of the technical scheme are that the gear shifting device comprises a plurality of gear shifting input gear assemblies and output gear assemblies which are matched with the gear shifting input gear assemblies simultaneously; the gear shifting input gear assembly comprises gear shifting shafts, and the gear shifting shafts are arranged in parallel. The utility model adopts a plurality of gear shifting input gear assemblies to improve the gear number of the system, and can improve the driving comfort; and compact structure, spatial layout is reasonable, can reduce holistic volume to reduce weight.
Description
Technical Field
The utility model relates to the field of electric motorcycles, in particular to a multi-gear speed change system of an electric motorcycle.
Background
The gear box used by the common electric motorcycle is mainly a foot-operated multi-gear and stepless automatic gear box on the gasoline motorcycle. Wherein, the foot is stepped on the multi-gear gearbox, and the switching mode that keeps off the position is relevant with driver's proficiency, leads to motor output torque and each fender position of gearbox not fine matching, influences the driving and experiences. The stepless automatic gearbox adopts belt transmission, so that when large torque is transmitted, a slipping phenomenon can occur, the heat dissipation performance is poor, large heat load cannot be borne, meanwhile, lubricating oil is not available, the service life is short, and only small torque can be transmitted.
The prior Chinese patent with publication number CN110816297A discloses an electric motorcycle automatic speed change system and a control method thereof, wherein the speed change system comprises a vehicle speed detection unit, a motor rotating speed detection unit, a motor output torque detection unit, a gearbox main shaft rotating speed detection unit, an electromagnetic clutch, a gearbox computer and a motor controller; the gearbox includes the shift fork and the step motor who links to each other with the shift fork of shifting. According to the running working condition of the electric motorcycle vehicle, the automatic control gearbox is shifted up and down in the speed changing system, the torque requirement of each working condition is guaranteed, and the driving comfort is improved.
However, the electric motorcycle automatic transmission system has only two driving ranges, i.e., a high-speed gear and a low-speed gear, and thus has yet to be improved in terms of driving comfort.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a multi-gear speed change system of an electric motorcycle, which can improve the number of gears and further improve the driving comfort.
In order to achieve the purpose, the utility model provides the following technical scheme:
a multi-gear speed change system of an electric motorcycle comprises a plurality of gear shift input gear assemblies and output gear assemblies which are matched with the gear shift input gear assemblies simultaneously; the gear shifting input gear assembly comprises gear shifting shafts, and the gear shifting shafts are arranged in parallel.
Furthermore, the number of the gear shifting input gear assemblies is two, each output gear assembly comprises an output shaft, and the output shafts and the two gear shifting shafts are arranged in a triangular mode.
Further, a gear shifting shaft input gear for receiving power is arranged on the gear shifting shaft.
Furthermore, a plurality of gear shifting shaft input gears are meshed with one power output end at the same time, and different transmission ratios are respectively arranged between the power output end and the plurality of gear shifting shaft input gears.
Furthermore, the gear shifting shafts are used for receiving power, and the gear shifting shafts are respectively connected with different power output ends.
Further, a transmission structure is arranged at the end part of the gear shifting shaft.
Furthermore, a gear shifting shaft high-speed gear, a gear shifting shaft low-speed gear and a combination sleeve positioned between the gear shifting shaft high-speed gear and the gear shifting shaft low-speed gear are arranged on the gear shifting shaft;
the output gear assembly comprises an output shaft, and the output shaft is provided with an output shaft high-speed gear engaged with the shift shaft high-speed gear and an output shaft low-speed gear engaged with the shift shaft low-speed gear.
Furthermore, the combination sleeve is connected with a gear shifting fork, and the gear shifting fork is connected with a gear shifting motor used for controlling the gear shifting motor to move along the axial direction.
Further, the system also includes a sensor assembly for detecting the position of the coupling sleeve.
Further, the sensor assembly comprises three position sensors arranged in sequence along the axial direction.
In conclusion, the utility model has the following beneficial effects:
1. the gear number of the system is increased by adopting a plurality of gear shifting input gear assemblies, so that the driving comfort can be improved;
2. the output shaft is arranged in parallel with the gear shifting shafts, so that the system is compact in structure, and the whole power transmission structure is high in strength;
3. the plurality of gear shifting shaft input gears are meshed with one power output end simultaneously, so that the spatial layout and the center distance can be more flexible, and the system is favorable for reducing the volume and the weight;
4. the gear switching of the speed change system can be switched by a manual electronic button according to the requirements of customers, and can also be automatically switched according to the output torque and speed of the vehicle, and due to electronic control, the gear switching can also push the intention of a driver according to the movement speed and the movement speed of a speed regulating handle of a rider, so that more appropriate driving feeling is set; the output torque of the driving motor can be well matched with each gear, and the driving comfort is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a multi-speed transmission system of an electric motorcycle according to embodiment 1;
fig. 2 is a schematic structural diagram of a multi-speed transmission system of an electric motorcycle according to embodiment 2.
In the figure: 1. a drive motor; 11. a motor shaft; 12. a motor output gear; 21. a first shift shaft; 22. a first shift shaft input gear; 23. a first shift shaft high-speed gear; 24. a first shift shaft low-speed gear; 25. a first coupling sleeve; 31. a first shift motor; 32. a first shift fork; 41. a second shift shaft; 42. a second shift shaft input gear; 43. a second shift shaft high-speed gear; 44. a second shift shaft low-speed gear; 45. a second coupling sleeve; 51. a second shift motor; 52. a second shift fork; 61. an output shaft; 62. an output shaft high-speed gear; 63. an output shaft low-speed gear; 64. an output gear; 71. a motor controller; 72. a variable speed controller; 81. a first transmission structure; 82. and a second transmission structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1:
a multi-gear speed-changing system of an electric motorcycle, referring to fig. 1, comprises a plurality of gear-shifting input gear assemblies and an output gear assembly which is matched with the gear-shifting input gear assemblies simultaneously; the gear shifting input gear assembly comprises gear shifting shafts, and the gear shifting shafts are arranged in parallel; in the embodiment, more gears are formed by adopting the plurality of gear shifting input gear assemblies, and the plurality of gear shifting shafts are arranged in parallel, so that the system is compact in structure, and the transmission structure of the whole system is high in strength.
Referring to fig. 1, the number of the shift input gear assemblies in the present embodiment is two, namely, a first shift input gear assembly and a second shift input gear assembly; the output gear assembly comprises an output shaft 61, and the output shaft 61 and the two gear shifting shafts are arranged in a triangular mode, so that the system structure can be compact; in other alternative embodiments, the number of shift input gear assemblies may be increased as desired and is not limited herein.
Referring to fig. 1, in the present embodiment, a first gear shift shaft 21 of a first gear shift input gear assembly treasure house is provided, and a first gear shift shaft input gear 22 is arranged on the first gear shift shaft 21; meanwhile, the first shift shaft 21 is provided with two free gears, namely a first shift shaft high-speed gear 23 and a first shift shaft low-speed gear 24; the first gear shifting shaft 21 is provided with a first combination sleeve 25 positioned between the first gear shifting shaft high-speed gear 23 and the first gear shifting shaft low-speed gear 24; the structure of the first coupling sleeve 25 belongs to the prior art and is not described in detail herein; the first combining sleeve 25 is connected with a first gear shifting fork 32, and the first gear shifting fork 32 is connected with a first gear shifting motor 31 for controlling the first gear shifting fork to move along the axial direction; the first shift motor 31 controls the first coupling sleeve 25 to move in the axial direction by the first shift fork 32, thereby performing gear shifting.
Referring to fig. 1, in detail, when the first coupling sleeve 25 is coupled to the first shift shaft high-speed gear 23, the rotational speed of the first shift shaft 21 is transmitted to the first shift shaft high-speed gear 23 through the first coupling sleeve 25, and the first shift input gear assembly is in a high-speed gear; when the first combination sleeve 25 is not combined with the first shift shaft high-speed gear 23 and the first shift shaft low-speed gear 24, the first shift input gear assembly is in a neutral gear; when the first coupling sleeve 25 is coupled to the first shift shaft low-speed gear 24, the rotational speed of the first shift shaft 21 is transmitted to the first shift shaft low-speed gear 24 through the first coupling sleeve 25, and the first shift input gear member is in a low speed stage.
Referring to fig. 1, the second shift input gear assembly according to the present embodiment has the same structure as the first shift input gear assembly, and includes a second shift shaft 41, a second shift shaft input gear 42, a second shift shaft high-speed gear 43, a second shift shaft low-speed gear 44, a second coupling sleeve 45, a second shift motor 51, and a second shift fork 52.
Referring to fig. 1, in the present embodiment, a shift shaft input gear on a shift shaft is used for receiving power; the system in the embodiment also comprises a driving motor 1, wherein a motor shaft 11 of the driving motor 1 is provided with a motor output gear 12; the motor output gear 12 serves as a power output end and is simultaneously meshed with the first shift shaft input gear 22 and the second shift shaft input gear 42, so that the power of the driving motor 1 can be simultaneously transmitted to the first shift shaft input gear 22 and the second shift shaft input gear 42; in the embodiment, the motor output gear 12 and the first shift shaft input gear 22 and the second shift shaft input gear 42 have different transmission ratios, so that four gears are formed by adopting two shift input gear assemblies; in other alternative embodiments, the first shift shaft input gear 22 and the second shift shaft input gear 42 may be connected to two driving motors, respectively, without limitation.
Referring to fig. 1, in the present embodiment, an output shaft 61 is provided with an output shaft high gear 62 which is engaged with both the first shift shaft high gear 23 and the second shift shaft high gear 43, and an output shaft low gear 63 which is engaged with both the first shift shaft low gear 24 and the second shift shaft low gear 44; an output gear 64 is provided at an end of the output shaft 61, and power output of the system is realized through the output gear 64.
Referring to fig. 1, the system in this embodiment further includes a sensor assembly for detecting a position of the coupling sleeve, and specifically, the sensor assembly includes three position sensors sequentially arranged along the axial direction, and the three position sensors respectively correspond to positions of the coupling sleeve when the coupling sleeve is in the high gear, the neutral gear, and the low gear; specifically, the position sensor in the embodiment is used for directly detecting the position of the shift fork and then accurately measuring the combination sleeve at the corresponding position; in the embodiment, the working point of the shifting fork in the running process is controlled in real time, so that the shifting time can be shortened, and the shifting smoothness is improved; the system in this embodiment also includes a drive motor controller 71 and a variable speed controller 72.
The working principle is as follows:
when the vehicle runs to an automatic gear shifting working point according to a manual button signal or the vehicle speed, the gear shifting controller 72 executes an upshift or downshift instruction; the speed change controller 72 sends a torque zero clearing signal to the motor controller 71, and simultaneously gives a gear shifting motor working signal to control the current combination sleeve to run to a neutral position; when the motor controller 71 detects that the combination sleeve runs to the neutral position through the position sensor of the neutral position, the speed regulation target rotating speed corresponding to the driving motor 1 is calculated according to the output rotating speed signal of the system and the target gear transmission ratio at the moment, and the target rotating speed signal of the driving motor 1 is sent to the motor controller 71, so that the driving motor 1 can rapidly regulate the speed according to the target rotating speed; when the speed change controller 72 detects that the rotating speed of the driving motor 1 is adjusted to be consistent with the target rotating speed, the speed change controller 72 sends a torque zero clearing signal to the motor controller 71 again, meanwhile, a gear change motor corresponding to the target gear is controlled to drive a gear change fork to work, a corresponding combination sleeve is combined with a gear wheel, after the motor controller 71 detects a gear combination signal through a position sensor of each gear, a signal is sent to the motor controller 71, the driving motor 1 recovers power output, and the vehicle continues to run.
Example 2:
referring to fig. 2, the present embodiment is different from embodiment 1 in that: in the embodiment, the gear shifting shafts are used for receiving power, and the gear shifting shafts are respectively connected with different power output ends; specifically, the number of the driving motors in the embodiment is two, and the two driving motors are respectively connected with the first gear shifting shaft 21 and the second gear shifting shaft 41 to form a double-drive multi-gear speed change system; in the embodiment, the end part of the gear shifting shaft is provided with a transmission structure and is connected with the motor shaft through the transmission structure; namely, the end of the first gear shifting shaft 21 is provided with a first transmission structure 81, and the end of the second gear shifting shaft 41 is provided with a second transmission structure 82; in particular, the transmission structure may employ a key-way fit or a coupling, which is not limited herein.
Claims (10)
1. The utility model provides an electric motorcycle car keeps off speed change system more which characterized in that: the gear shifting device comprises a plurality of gear shifting input gear assemblies and an output gear assembly which is matched with the gear shifting input gear assemblies simultaneously; the gear shifting input gear assembly comprises gear shifting shafts, and the gear shifting shafts are arranged in parallel.
2. The electric motorcycle multi-speed transmission system according to claim 1, characterized in that: the number of the gear shifting input gear assemblies is two, each output gear assembly comprises an output shaft, and the output shafts and the two gear shifting shafts are arranged in a triangular mode.
3. The electric motorcycle multi-speed transmission system according to claim 1, characterized in that: and the gear shifting shaft is provided with a gear shifting shaft input gear for receiving power.
4. The electric motorcycle multi-speed transmission system according to claim 3, characterized in that: the gear shifting shaft input gears are meshed with one power output end at the same time, and different transmission ratios are respectively arranged between the power output end and the gear shifting shaft input gears.
5. The electric motorcycle multi-speed transmission system according to claim 1, characterized in that: the gear shifting shafts are used for receiving power and are respectively connected with different power output ends.
6. The electric motorcycle multi-speed transmission system according to claim 5, characterized in that: and a transmission structure is arranged at the end part of the gear shifting shaft.
7. The electric motorcycle multi-speed transmission system according to any one of claims 1 to 6, characterized in that: the gear shifting shaft is provided with a gear shifting shaft high-speed gear, a gear shifting shaft low-speed gear and a combination sleeve positioned between the gear shifting shaft high-speed gear and the gear shifting shaft low-speed gear;
the output gear assembly comprises an output shaft, and the output shaft is provided with an output shaft high-speed gear engaged with the shift shaft high-speed gear and an output shaft low-speed gear engaged with the shift shaft low-speed gear.
8. The electric motorcycle multi-speed transmission system according to claim 7, characterized in that: the combination sleeve is connected with a gear shifting fork, and the gear shifting fork is connected with a gear shifting motor used for controlling the gear shifting motor to move along the axial direction.
9. The electric motorcycle multi-speed transmission system according to claim 7, characterized in that: the system also includes a sensor assembly for detecting the position of the coupling sleeve.
10. The electric motorcycle multi-speed transmission system according to claim 9, characterized in that: the sensor assembly includes three position sensors arranged sequentially in an axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121557112.9U CN215806238U (en) | 2021-07-09 | 2021-07-09 | Multi-gear speed change system of electric motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121557112.9U CN215806238U (en) | 2021-07-09 | 2021-07-09 | Multi-gear speed change system of electric motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806238U true CN215806238U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121557112.9U Active CN215806238U (en) | 2021-07-09 | 2021-07-09 | Multi-gear speed change system of electric motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806238U (en) |
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2021
- 2021-07-09 CN CN202121557112.9U patent/CN215806238U/en active Active
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