CN112943921A - Two-gear power assembly system capable of adaptively shifting gears - Google Patents
Two-gear power assembly system capable of adaptively shifting gears Download PDFInfo
- Publication number
- CN112943921A CN112943921A CN202110314762.9A CN202110314762A CN112943921A CN 112943921 A CN112943921 A CN 112943921A CN 202110314762 A CN202110314762 A CN 202110314762A CN 112943921 A CN112943921 A CN 112943921A
- Authority
- CN
- China
- Prior art keywords
- gear shifting
- gear
- automatic
- shifting
- speed
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—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 characterised by the disposition of the gears
-
- 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
- F16H61/04—Smoothing ratio shift
-
- 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
- F16H61/22—Locking of the control input devices
-
- 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
-
- 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
- F16H61/04—Smoothing ratio shift
- F16H61/0403—Synchronisation before shifting
- F16H2061/0418—Synchronisation before shifting by using different synchronisation devices simultaneously, e.g. for faster synchronisation
Abstract
A self-adaptive gear shifting two-gear power assembly system is characterized by comprising a main driving motor, a two-gear transmission and an automatic gear shifting mechanism; the two-gear transmission is provided with two pairs of gear shifting gears, a synchronizer and a gear shifting fork; the synchronizer comprises a joint sleeve and two diaphragm springs; the joint sleeve is provided with meshing teeth and a spline hole, and the diaphragm spring is provided with a friction enhancement area; the gear shifting fork is provided with a round ball; the automatic gear shifting mechanism is provided with a gear shifting motor, an automatic gear shifting control mechanism and an automatic gear shifting executing mechanism; the automatic gear shifting control mechanism comprises a bevel gear transmission input shaft, a bevel gear transmission output shaft, a travel switch and a centrifugal mechanism; the automatic gear shifting actuating mechanism comprises a threaded lead screw, a gear shifting rod and a limit switch. The invention not only realizes the stable gear shifting of the two-gear transmission and maximally reduces the friction and impact brought by gear shifting, but also realizes automatic gear shifting by adopting the cooperation of the centrifugal mechanism and the travel switch, greatly prolongs the service life of the automatic gear shifting mechanism, simultaneously adopts the threaded lead screw with good self-locking function, does not need to design a new gear shifting self-locking mechanism, has simple structure, can realize the accurate control of the displacement of the gear shifting rod by changing the thread pitch, and avoids excessive gear shifting by adopting the limit switch.
Description
Technical Field
The invention relates to a power assembly, in particular to a self-adaptive gear shifting two-gear power assembly system
Background
At present, a speed reducer or an electronic stepless speed regulation is adopted for the power assembly of the motor driving system, and a speed changing box is not widely used for speed regulation like a fuel vehicle, so that people think that the power assembly of the motor driving system does not need the speed changing box in the past. Part of the reasons are that the existing motor-driven system power assembly mostly uses a light-load working condition, and part of the reasons are that a gearbox which is matched with a high-speed motor is not arranged, for example, when the gear is required to be switched at a high speed, the impact is small.
As is known, compared with an engine of a fuel vehicle, a motor in a motor driving system has higher limit rotation degree, and has good working performance under the condition of non-heavy load and low speed, but the performance of the motor is obviously reduced under the condition of high speed and heavy load, so that a transmission is introduced into a power assembly of the motor driving system, and the application range of the power assembly of the motor driving system can be greatly enlarged by introducing the transmission into the power assembly of the motor driving system
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide a self-adaptive gear shifting two-gear power assembly system, so that stable gear shifting of a two-gear transmission is realized, impact caused during gear shifting is reduced to the maximum extent, automatic gear shifting is realized by adopting the cooperation between a centrifugal mechanism and a travel switch, the service life of an automatic gear shifting mechanism is greatly prolonged, meanwhile, the adopted threaded screw has a good self-locking effect, a new gear shifting self-locking mechanism is not required to be designed, the structure is simple, accurate control of gear shifting rod displacement can be realized by changing the thread pitch, and the adopted limit switch avoids excessive gear shifting.
The specific technical scheme of the invention is as follows:
the invention relates to a self-adaptive gear shifting two-gear power assembly system which is characterized by comprising a main driving motor, a two-gear transmission and an automatic gear shifting mechanism, wherein the main driving motor is connected with the two-gear transmission; the two-gear transmission is provided with a synchronizer and a shifting fork; the synchronizer comprises a joint sleeve and two diaphragm springs; the joint sleeve is provided with meshing teeth and a spline hole, and the diaphragm spring is provided with a friction enhancement area; the joint sleeve is fixedly connected with the output shaft through a spline hole, and the diaphragm spring is sleeved on the joint sleeve; the gear shifting fork is provided with a round ball; the automatic gear shifting mechanism is provided with a gear shifting motor, an automatic gear shifting control mechanism and an automatic gear shifting driving mechanism; the automatic gear shifting control mechanism comprises a bevel gear transmission input shaft, a bevel gear transmission output shaft, a travel switch and a centrifugal mechanism; the bevel gear transmission output shaft is driven by the bevel gear input shaft to rotate, the travel switch controls the gear shifting motor to rotate positively and negatively, and the centrifugal mechanism is arranged on the bevel gear output shaft; the automatic gear shifting executing mechanism comprises a threaded lead screw, a gear shifting rod and a limit switch; the thread screw rod is fixedly connected with the gear shifting motor, one end of the gear shifting rod is sleeved on the thread screw rod, and the other end of the gear shifting rod is connected with the gear shifting fork.
The two-gear transmission comprises a low-gear pinion, a low-gear gearwheel with a friction disc, a high-gear pinion with a friction disc, a high-gear gearwheel, and a synchronizer, wherein the low-gear gearwheel and the high-gear gearwheel are respectively provided with meshing teeth, the low-speed friction disc is fixedly connected with the low-gear gearwheel, the high-speed friction disc is fixedly connected with the high-gear pinion, and the synchronizer is arranged between the low-gear gearwheel and the high-gear pinion.
When the engaging teeth of the engaging sleeve are engaged with the engaging teeth of the low-speed friction disc, the two-gear transmission realizes low-speed gear shifting, and when the engaging teeth of the engaging sleeve are engaged with the engaging teeth of the high-speed friction disc, the two-gear transmission realizes high-speed gear shifting.
The shift fork includes a ball embedded in the shift fork to reduce friction between the shift fork and the sleeve.
The gear shifting motor is used for driving the automatic gear shifting executing mechanism, the automatic gear shifting control mechanism is used for controlling the gear shifting motor, and the automatic gear shifting executing mechanism is used for contacting and pushing the joint sleeve to move.
When the speed of the bevel gear transmission output shaft changes, the positions of the centrifugal mechanism and the travel switch change, so that the change of the position of a contact of the travel switch is changed, and the forward and reverse rotation of the gear shifting motor is controlled.
The thread screw is fixedly connected with the gear shifting motor shaft, one end of the gear shifting rod is sleeved on the thread screw, the other end of the gear shifting rod is connected with the gear shifting fork, and when the gear shifting motor rotates forwards and backwards, the thread screw is driven to rotate so as to drive the gear shifting rod to reciprocate, so that automatic gear shifting of the two-gear gearbox is realized.
The limit switch is matched with the position of the shift lever, so that the intelligent start and stop of the shift motor when the shift is in place is realized.
The invention has the beneficial effects that:
1. the self-adaptive gear shifting two-gear power assembly system provided by the invention adopts a mechanical centrifugal mechanism to realize automatic speed change between two gears, reduces the intervention quantity of electric control elements and ensures that the two-gear speed change is more reliable.
2. The self-adaptive gear shifting two-gear power assembly system provided by the invention adopts a brand new synchronizer to shift gears, and applies a pushing force to the diaphragm spring through the joint sleeve. Along with the slow movement of the diaphragm spring, the friction force between the diaphragm spring and the friction disc on the gear is larger and larger, so that the rotating speed of the gear to be shifted and the rotating speed of the output shaft tend to be consistent gradually, and the impact caused during shifting is greatly reduced.
3. Compared with the existing synchronizer, the synchronizer designed by the invention has the advantages of fewer required parts, more compact structure and longer service life.
4. When the gear shift lever is pushed, the gear shift lever is pushed by the movement between the trapezoidal thread lead screw and the thread sleeve, so that the self-locking effect of the trapezoidal thread lead screw is fully utilized, and the gear shift lever is prevented from moving in a string manner.
5. The invention also skillfully utilizes the limit switch to limit the correct gear shifting position, and the limit switch adopts a mechanical structure, thereby fully increasing the use environment of the power assembly, particularly the use in severe environment.
6. The invention also skillfully utilizes the principle of the thrust ball bearing, reduces the friction between the shifting fork and the synchronizer sleeve during gear shifting, and prolongs the service life.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an exploded view of a synchronizer;
FIG. 4 is a schematic diagram of a diaphragm spring structure;
FIG. 5 is a schematic view of the structure of the adapter sleeve;
FIG. 6 is a schematic view of a fastening structure of a high-speed pinion and a high-speed friction disc;
FIG. 7 is a schematic view of a structure of a low-speed gearwheel and a low-speed friction disc fixedly connected to each other;
FIG. 8 is a schematic view of a centrifugal automatic shift control mechanism;
FIG. 9 is a schematic view of an automatic shift actuator;
FIG. 10 is a partial schematic view of the shift fork;
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 9, the two-gear powertrain system with adaptive gear shifting mainly includes a two-gear transmission, an automatic gear shifting control mechanism, and an automatic gear shifting execution mechanism.
The two-gear transmission comprises a bevel gear transmission input shaft 22, an output shaft 1, a synchronizer, a low-speed pinion 21, a low-speed gearwheel 2, a high-speed pinion 6 and a high-speed gearwheel 19, wherein the low-speed pinion 21 and the high-speed gearwheel 19 are fixedly connected with the input shaft 22 with bevel gear transmission, the synchronizer is connected on the output shaft 1 through spline fit, and the high-speed pinion 6 and the low-speed gearwheel 2 are connected on the output shaft 1 through rolling bearings.
As shown in fig. 3, the synchronizer includes a coupling sleeve 4, two diaphragm springs 3 and 5, a low-speed friction disc 33, and a high-speed friction disc 32, wherein the two diaphragm springs 3 and 5 are sleeved inside the coupling sleeve 4 and can move relatively, and the two diaphragm springs 3 and 5 generate friction with the low-speed friction disc 33 and the high-speed friction disc 32, thereby driving a low-speed gearwheel 2 fixedly connected with the low-speed friction disc 33 and a high-speed pinion 6 fixedly connected with the high-speed friction disc 32.
As shown in fig. 8, the automatic shift control mechanism includes a bevel gear transmission output shaft 27, an upper link 24, a lower link 25, a centrifugal ball 23, a movable sleeve 26, a travel switch 16 and a shift motor 13, wherein the upper link 24, the lower link 25, the centrifugal ball 23 and the movable sleeve 26 are assembled and directly sleeved on the bevel gear transmission output shaft 27, then the movable sleeve 26 is connected with the travel switch 16, and finally the travel switch 16 is connected with the shift motor 13.
As shown in fig. 9, the automatic gear shifting actuator includes a gear shifting motor 13, a trapezoidal thread lead screw 11, a thread sleeve 9, a gear shifting rod 8, a gear shifting fork 31 and a limit switch 10, the trapezoidal thread lead screw 11 is fixedly connected with the gear shifting motor 13, the thread sleeve 9 is sleeved on the trapezoidal thread lead screw 11, the gear shifting rod 8 is fixedly connected with the gear shifting fork 31 and fixedly connected with the thread sleeve 9, and finally the gear shifting rod 8 and the limit switch 10 meet the stroke matching.
As shown in fig. 10, in order to reduce friction between the shift fork 31 and the synchronizer sleeve 4, the shift fork 31 with the ball 34 is designed according to the principle of a thrust ball bearing.
The two-gear automatic speed change principle of the invention is explained as follows:
first, the main drive motor 15 is started, and at the beginning, the main drive motor 15 is in a low speed state, and at this time, the synchronizer is in a state where the sleeve 4 and the low speed friction disk 33 are engaged by the teeth 30, and the centrifugal governor mechanism is rotated, but since the rotation speed is not high, the stroke switch 16 is not in contact point contact, and the small-sized shift drive motor 13 is not operated, and at this time, the transmission output shaft 1 is in a low speed state.
Then, as the rotation speed of the main driving motor 15 increases, the centrifugal force of the centrifugal speed regulating mechanism increases, and further drives the control rod 28 of the travel switch 16 to move, when the rotation speed of the main driving motor 15 reaches a set value, at this time, the control rod 28 of the travel switch 16 just contacts with an upper contact point, at this time, the small-sized shift driving motor 13 rotates forwards, the trapezoidal thread lead screw 11 drives the shift fork 31 on the shift rod 8 to move, the shift fork 31 pushes the synchronizer to move, so that the state of the synchronizer is that the combination sleeve 4 is meshed with the high-speed friction disc 32 through the meshing teeth 30, and further the high-speed pinion 6 is driven to rotate, at this time, it indicates that the gear shifting is in place, the rod 8 pushes the limit switch 10, the contact of the limit switch 10 is disconnected, the small-sized shift driving motor 13.
Finally, when the main driving motor 15 is turned off, the rotation speed of the main driving motor 15 is reduced, the centrifugal force generated by the centrifugal speed regulating mechanism is reduced, the control rod 28 of the travel switch 16 moves downwards and finally contacts with the lower contact, the small gear shifting driving motor 13 rotates reversely, the gear shifting fork 31 on the gear shifting rod 8 is driven to move through the trapezoidal thread lead screw 11, the gear shifting fork 31 pushes the synchronizer to move, so that the synchronizer is in a state that the combination sleeve 4 is meshed with the low-speed friction disc 33 through the meshing teeth 30 to drive the low-speed big gear 2 to rotate, at the moment, the gear shifting is indicated to be in place, the gear shifting rod 8 pushes the limit switch 7 to disconnect the contact of the limit switch 7, the small gear shifting driving motor 13 stops rotating, and at the moment, the gear shifting process from high speed to low speed is finished, the two motors stop rotating, and simultaneously, ready for the next run.
The above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A self-adaptive gear shifting two-gear power assembly system is characterized by comprising a main driving motor, a two-gear transmission and an automatic gear shifting mechanism; the two-gear transmission is provided with two pairs of gear shifting gears, a synchronizer and a gear shifting fork; the synchronizer comprises a joint sleeve and two diaphragm springs; the joint sleeve is provided with meshing teeth and a spline hole, and the diaphragm spring is provided with a friction enhancement area; the joint sleeve is fixedly connected with the output shaft through a spline hole, and the diaphragm spring is sleeved on the joint sleeve; the gear shifting fork is provided with a round ball; the automatic gear shifting mechanism is provided with a gear shifting motor, an automatic gear shifting control mechanism and an automatic gear shifting execution mechanism; the automatic gear shifting control mechanism comprises a bevel gear transmission input shaft, a bevel gear transmission output shaft, a travel switch and a centrifugal mechanism; the bevel gear transmission output shaft is driven by the bevel gear input shaft to rotate, the travel switch controls the gear shifting motor to rotate positively and negatively, and the centrifugal mechanism is arranged on the bevel gear output shaft; the automatic gear shifting executing mechanism comprises a threaded lead screw, a gear shifting rod and a limit switch; the thread screw rod is fixedly connected with the gear shifting motor, one end of the gear shifting rod is sleeved on the thread screw rod, and the other end of the gear shifting rod is connected with the gear shifting fork.
2. The adaptively shifted two speed powertrain system of claim 1, wherein: the two-gear transmission comprises a low-gear pinion, a low-gear gearwheel with a friction disc, a high-gear pinion with a friction disc, a high-gear gearwheel, and a synchronizer, wherein the low-gear gearwheel and the high-gear gearwheel are respectively provided with meshing teeth, the low-speed friction disc is fixedly connected with the low-gear gearwheel, the high-speed friction disc is fixedly connected with the high-gear pinion, and the synchronizer is arranged between the low-gear gearwheel and the high-gear pinion.
3. The adaptive shifting two-gear powertrain system of claims 1 and 2, wherein: the engaging teeth of the engaging sleeve are engaged with the engaging teeth of the low-speed friction disc, the two-gear transmission realizes low-speed gear shifting, the engaging teeth of the engaging sleeve are engaged with the engaging teeth of the high-speed friction disc, and the two-gear transmission realizes high-speed gear shifting.
4. A shift fork according to claim 1, wherein: the gear shifting fork comprises a round ball, and the round ball is embedded in the gear shifting fork and can rotate freely.
5. The automatic shift mechanism according to claim 1, characterized in that: the gear shifting motor is used for driving the automatic gear shifting executing mechanism, the automatic gear shifting control mechanism is used for controlling the gear shifting motor, and the automatic gear shifting executing mechanism is used for contacting and pushing the joint sleeve to move.
6. The automatic shift control mechanism according to claim 1, characterized in that: the speed of the bevel gear transmission output shaft changes, and the positions of the centrifugal mechanism and the travel switch change, so that the change of the contact position of the travel switch is changed, and the forward and reverse rotation of the gear shifting motor is controlled.
7. The automatic shift actuator of claim 1, wherein: and the gear shifting motor drives the threaded lead screw to rotate when rotating positively and negatively so as to drive the gear shifting rod to reciprocate, so that the automatic gear shifting of the two-gear gearbox is realized.
8. The limit switch of claim 1, wherein: the limit switch is matched with the position of the shift lever, so that the intelligent start and stop of the shift motor when the shift is in place is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314762.9A CN112943921B (en) | 2021-03-24 | 2021-03-24 | Two-gear power assembly system capable of adaptively shifting gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110314762.9A CN112943921B (en) | 2021-03-24 | 2021-03-24 | Two-gear power assembly system capable of adaptively shifting gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112943921A true CN112943921A (en) | 2021-06-11 |
| CN112943921B CN112943921B (en) | 2023-03-07 |
Family
ID=76227675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110314762.9A Active CN112943921B (en) | 2021-03-24 | 2021-03-24 | Two-gear power assembly system capable of adaptively shifting gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112943921B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2898447Y (en) * | 2006-02-27 | 2007-05-09 | 苏州奔集动力有限公司 | Electrically-controlled speed variator |
| CN101813022A (en) * | 2009-12-16 | 2010-08-25 | 甘东 | Pendulous inter-combustion engine capable of automatically retaining optimal operating mode |
| CN103307219A (en) * | 2013-05-28 | 2013-09-18 | 同济大学 | Two-gear mechanical automatic gearbox for electric vehicle |
| CN105276026A (en) * | 2015-12-02 | 2016-01-27 | 傅元才 | One-way overrunning clutch structure, two-gear variable-speed system and control method |
| CN207378133U (en) * | 2017-08-22 | 2018-05-18 | 浙江万里扬股份有限公司 | Manual electronic controlled transmission assembly |
| CN208793605U (en) * | 2018-08-15 | 2019-04-26 | 上海易巴汽车动力系统有限公司 | A kind of ball-screw directly drives AMT motor gear shift mechanism |
| CN109838546A (en) * | 2017-11-27 | 2019-06-04 | 现代自动车株式会社 | Automatic transmission for vehicle |
| CN211501508U (en) * | 2019-03-26 | 2020-09-15 | 向永川 | Speed variator |
-
2021
- 2021-03-24 CN CN202110314762.9A patent/CN112943921B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2898447Y (en) * | 2006-02-27 | 2007-05-09 | 苏州奔集动力有限公司 | Electrically-controlled speed variator |
| CN101813022A (en) * | 2009-12-16 | 2010-08-25 | 甘东 | Pendulous inter-combustion engine capable of automatically retaining optimal operating mode |
| CN103307219A (en) * | 2013-05-28 | 2013-09-18 | 同济大学 | Two-gear mechanical automatic gearbox for electric vehicle |
| CN105276026A (en) * | 2015-12-02 | 2016-01-27 | 傅元才 | One-way overrunning clutch structure, two-gear variable-speed system and control method |
| CN207378133U (en) * | 2017-08-22 | 2018-05-18 | 浙江万里扬股份有限公司 | Manual electronic controlled transmission assembly |
| CN109838546A (en) * | 2017-11-27 | 2019-06-04 | 现代自动车株式会社 | Automatic transmission for vehicle |
| CN208793605U (en) * | 2018-08-15 | 2019-04-26 | 上海易巴汽车动力系统有限公司 | A kind of ball-screw directly drives AMT motor gear shift mechanism |
| CN211501508U (en) * | 2019-03-26 | 2020-09-15 | 向永川 | Speed variator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112943921B (en) | 2023-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102840281B (en) | Synchronizer-free gear shifting system for input shaft speed regulation for electric automobile | |
| CN102840309B (en) | Synchronizer-free shifting system for regulating speed of intermediate shaft of electric automobile | |
| CN110014829B (en) | Double-overrunning clutch mechanical shaft end output self-adaptive automatic speed-changing electric drive system | |
| CN102062181B (en) | Automatic speed changer | |
| CN100567776C (en) | Automatic speed variator gear-selecting and shifting executing mechanism | |
| CN202579994U (en) | AMT (Automated Mechanical Transmission) gear selecting and shifting actuator | |
| CN201326697Y (en) | Automated mechanical transmission of overrunning clutch motor | |
| CN201034156Y (en) | Novel automatic gear box choosing-shifting actuating mechanism | |
| CN112943921A (en) | Two-gear power assembly system capable of adaptively shifting gears | |
| CN111237401B (en) | Dual clutch transmission and dual clutch transmission method | |
| US10774928B2 (en) | Three-gear automatic transmission for electric vehicle with a brushless control-by-wire centrifugal ball arm engagement device | |
| CN109185399A (en) | A kind of Full-automatic electric-controlled power transmission assembly | |
| CN202484236U (en) | Double-clutch type automatic transmission | |
| CN111196150B (en) | Automatic gearbox and automobile power system | |
| CN111365419A (en) | Double-clutch transmission system | |
| CN113251118A (en) | AMT two-gear automatic gearbox of electric tricycle | |
| CN2811680Y (en) | Electrically-controlled stepped mechanical automatic transmission | |
| CN219529773U (en) | Electromagnetic shifting fork gear shifting gearbox | |
| CN215673429U (en) | Two-gear gearbox for unpowered interrupted gear shifting of electric vehicle | |
| CN216895713U (en) | Electronic gear shifting mechanism of gearbox | |
| CN219413505U (en) | Automatic speed-changing control device for electric vehicle | |
| CN110966403B (en) | Reverse double-shifting fork speed change system | |
| CN111255894B (en) | Select actuating mechanism, gearbox and vehicle of shifting | |
| CN219101971U (en) | Continuously variable transmission | |
| CN102734395B (en) | Clutchless automatic transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |