CN104279321B - Motor rear axle power-shift gear box - Google Patents
Motor rear axle power-shift gear box Download PDFInfo
- Publication number
- CN104279321B CN104279321B CN201410480182.7A CN201410480182A CN104279321B CN 104279321 B CN104279321 B CN 104279321B CN 201410480182 A CN201410480182 A CN 201410480182A CN 104279321 B CN104279321 B CN 104279321B
- Authority
- CN
- China
- Prior art keywords
- gear
- guide rod
- gearshift
- shift
- sliding panel
- 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.)
- Expired - Fee Related
Links
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
- 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
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/24—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts coaxial
- F16H3/26—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts coaxial and two or more additional shafts
- F16H3/28—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts coaxial and two or more additional shafts an additional shaft being coaxial with the main 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H2063/324—Gear shift yokes, e.g. shift forks characterised by slide shoes, or similar means to transfer shift force to sleeve
Abstract
The invention discloses a kind of motor rear axle power-shift gear box, there is shifting shaft, gearshift driving gear, be parallel to shifting shaft and be provided with guide rod, on guide rod, rotate the gearshift driven gear being provided with the driving gear engaged transmission of shifting gears, on the guide rod in gearshift driven gear outside, vertical embedding is fixed with sliding panel, on guide rod, be fixed with shift fork, on shift fork, be connected with the gearshift ring sliding on shifting shaft, gearshift driven gear has a pair of annular slide track ring being arranged symmetrically with towards the lateral surface of sliding panel, described annular slide track ring comprises corresponding low-grade, neutral gear and high-grade position three have the platform of difference in height, with the rotation of gearshift driven gear, sliding panel two ends are pressed in successively on described platform and drive guide rod to do straight reciprocating motion, make gearshift ring move and realize speed change gear low grade along shifting shaft axis, the conversion of neutral gear and high-grade position. compact overall structure of the present invention, long service life, gear shift operation is more convenient, and the stability of variable block is better.
Description
Technical field
The present invention relates to a kind of motor rear axle power-shift gear box.
Background technology
In the transmission system of electric motor car, direct current generator drives wheel to move ahead by gearbox transferring power.The back axle power-shift gear box that existing electric motor car is used, its structure adopts electrical shift and mechanical speed change substantiallyMode, electrical shift relies on Electronic Control purely, and stability is undesirable, and mechanical type speed change is the songs that adopt moreHandle linkage is realized, and rotatablely moving of motor is mutually vertical with the straight reciprocating motion of variable block displacement,Cause complex structure, volume is larger, and manufacture craft is loaded down with trivial details, controlled when above-mentioned variable block mode operates simultaneouslyPoor, and mechanical type variable block be subject to service condition and ambient influnence larger, service life is also shorter.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in prior art, provide a kind of compact conformation,When variable block manipulation flexibly, use reliable and stable motor rear axle power-shift gear box.
The technical solution adopted for the present invention to solve the technical problems is: a kind of motor rear axle shift speed change dressPut, there is shifting shaft, power output shaft, on shifting shaft, be provided with top gear gear and bottom gear tooth at a distance of rotatingWheel, is positioned on the shifting shaft in top gear gear outside and is fixed with power driving gear, fixing on power output shaftHave and the power driven gear of power driving gear engaged transmission, also comprise direct current generator and be fixed on direct currentGearshift driving gear on machine output shaft, is parallel to shifting shaft and is provided with guide rod, on guide rod, rotates and is provided with and shifts gearsThe gearshift driven gear of driving gear engaged transmission, on the guide rod in gearshift driven gear outside, vertical embedding fixedThere is sliding panel, on the guide rod between top gear gear and bottom gear gear, be fixed with shift fork, on shift fork, connectBe connected to the gearshift ring sliding on shifting shaft, it is a pair of right that gearshift driven gear has towards the lateral surface of sliding panelClaim the annular slide track ring of arranging, described annular slide track ring comprises three of corresponding low grade, neutral gear and high-grade positionThe individual platform with difference in height, with the rotation of gearshift driven gear, sliding panel two ends are pressed in described platform successivelyUpper drive guide rod does straight reciprocating motion, make gearshift ring along shifting shaft axis move and realize speed change gear low grade,The conversion of neutral gear and high-grade position.
Further, described sliding panel inserts guide rod, the side that sliding panel is wider along guide rod axis central verticalFace and guide rod shaft line parallel, the narrower side of sliding panel is pressed on described platform.
Described guide rod end is fixed with pressure ring, and pressure ring and sliding panel are provided with the first reset between narrower sideSpring, is provided with the second back-moving spring between gearshift driven gear and shift fork, by the first back-moving spring, secondAction of reset spring, has realized the Rapid reset of sliding panel and shift fork.
Between described platform, be provided with the circular arc slideway of inclination, in the time of shift speed change, sliding panel is along circular arc slidewaySlide, realize the Fast transforms of gear positions.
Described direct current generator output shaft side is provided with the Hall element that can detect direct current generator output speed, logicalCross the Hall element detection to rotating speed at any time, realized the electronic monitoring of gearshift.
The invention has the beneficial effects as follows: the present invention by sliding panel along highly different flat of three, annular slide track ringThe evolution of platform, drives gearshift ring to move as linear reciprocation along shifting shaft axis, thereby realizes speed change gearThe conversion of low grade, neutral gear and high-grade position, due to the linear reciprocation of the ring that direct current generator rotatablely moved and shift gearsMoving, both are arranged in parallel, and make speed change gear compact overall structure, are more conducive to gear shift operation, becomeStability when gear is better, can extend the service life of speed change gear.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of gearshift driven gear of the present invention.
1. shifting shaft 2. power output shaft 3. top gear gear 4. bottom gear gear 5. power in figureDriving gear 6. power driven gear 7. direct current generators 8. driving gear 9. guide rods 10. of shifting gears are shifted gearsDriven gear 11. sliding panel 12. shift fork 13. gearshift ring 14. annular slide track ring 14-1. platforms14-2. circular arc slideway 15. pressure ring 16. first back-moving spring 17. second back-moving spring 18. Hall unitsPart 19. power input shaft 20. high gear input gear 21. low gear input gears
Detailed description of the invention
The present invention is further illustrated with preferred embodiment by reference to the accompanying drawings now. These accompanying drawings are simplificationSchematic diagram, basic structure of the present invention is only described in a schematic way, therefore it only shows relevant with the present inventionFormation.
A kind of motor rear axle power-shift gear box as shown in Figure 1 and Figure 2, have power input shaft 19,
High gear input gear 20 and low gear input gear 21, power that spacing is arranged on power input shaft 19 are exportedAxle 2 and be fixed on the power driven gear 6 on power output shaft 2.
Described speed change gear also has shifting shaft 1 and direct current generator 7, on shifting shaft 1, is provided with height at a distance of rotatingSpeed gear gear 3 and bottom gear gear 4, top gear gear 3 and high gear input gear 20 engaged transmission, low speedGear gear 4 and low gear input gear 21 engaged transmission, be positioned on the shifting shaft 1 in top gear gear 3 outsides solidFixed dynamic driving gear 5, power driving gear 5 is with power driven gear 6 engaged transmission and outputting power.On the output shaft of direct current generator 7, be fixed with 8, guide rods 9 of gearshift driving gear and be parallel to shifting shaft 1Arrange, on the outer end of guide rod 9 outstanding speed change gear casings, rotate to be provided with the driving gear 8 of shifting gears and engageThe gearshift driven gear 10 of transmission, direct current generator 7 is fixed on the casing of speed change gear, at direct current generator 7Output shaft side is provided with the Hall element 18 that can detect direct current generator 7 output speeds, by Hall element 18Detection to rotating speed at any time, has realized the electronic monitoring of shift process.
Be positioned on the guide rod 9 in gearshift driven gear 10 outsides, be fixed with along vertical insertion of guide rod 9 axis centreSliding panel 11, the wider side of sliding panel 11 is parallel with guide rod 9 axis, the narrower side of sliding panel 11 withGuide rod 9 axis are vertical; Relatively fixing on the guide rod 9 between top gear gear 3 and bottom gear gear 4There is shift fork 12, on shift fork 12, be connected with the gearshift ring 13 sliding on shifting shaft 1, gearshift driven gear 10There is a pair of annular slide track ring 14 being arranged symmetrically with, described annular slide track towards the lateral surface of sliding panel 11Ring 14 comprises three of corresponding low grade, neutral gear and the high-grade position platform 14-1 with difference in height, sliding panelIt is upper that 11 narrower sides are pressed in one of them described platform 14-1, between described platform 14-1, is provided withThe circular arc slideway 14-2 tilting, is convenient to the quick sliding transposition of sliding panel 11 between described platform 14-1.
Be fixed with pressure ring 15 in guide rod 9 ends, pressure ring 15 and sliding panel 11 are provided with between narrower sideOne back-moving spring 16, is provided with the second back-moving spring 17 between gearshift driven gear 10 and shift fork 12, thereby logicalCross the first back-moving spring 16, the second back-moving spring 17 acts on, realized sliding panel 11 and changed with shift fork 12Rapid reset when gear.
When use, the two ends of sliding panel 11 are pressed on the highest platform 14-1 of annular slide track ring 14, nowSpeed change gear is in low gear position, and low gear input gear 21 and bottom gear gear 4 engaged transmission, shift gears and encircle13 are connected with bottom gear gear 4 connecting portions, and power is inputted by low gear input gear 21, through bottom gear gear 4Drive gearshift ring 13 to rotate, and then gearshift ring 13 drives shifting shafts 1 to rotate, power driving gear 5 is with movingPower driven gear 6 engaged transmission and outputting power, and top gear gear 3 is in idling conditions, electric motor car is lowSpeed gear starts; Normally travel need to change high gear into time, start direct current generator 7, along with direct current generator 7 rotates,8 engagements of gearshift driving gear drive gearshift driven gear 10 to rotate, and it is driven that annular slide track ring 14 is followed gearshiftGear 10 rotates, and takes advantage of a situation along circular arc slideway 14-2 landing, in annular slide track ring 14 in sliding panel 11 two endsBetween represent after the second high platform 14-1 of neutral gear position, then landing is downwards pressed in the platform of minimum representative high gear14-1 is upper, and meanwhile, sliding panel 11 drives guide rod 9 to move linearly to the right, is fixed on guide rod 9Gearshift ring 13 moves to right with guide rod 9, is connected, now until gearshift encircles 13 with the connecting portion of top gear gear 3Power is inputted by high gear input gear 20, drives gearshift ring 13 to rotate through top gear gear 3, and then gearshiftRing 13 drives shifting shaft 1 to rotate, and power driving gear 5 is exported with power driven gear 6 engaged transmissionPower, and bottom gear gear 4 is in idling conditions, electric motor car top gear travels; When neutral position, slideThe the second high platform 14-1 that represents neutral in the middle of plate 11 is pressed in is upper, and gearshift ring 13 is in top gear gear 3And between bottom gear gear 4, do not connect separately, top gear gear 3 and bottom gear gear 4 are all in idle runningState.
The present invention rotates by gearshift driven gear 10, makes sliding panel 11 be pressed in successively described platform 14-1Upper drive guide rod 9 is done straight reciprocating motion, and then guide rod 9 drives gearshift ring 13 to slide along shifting shaft 1 axisAnd realize the conversion of speed change gear low gear, neutral and high gear position. This speed change gear compact overall structure, makesLong with the life-span, gear shift operation is more convenient, and the stability of variable block is better.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow is familiar with this skillThe personage of art can understand content of the present invention and be implemented, and can not limit protection model of the present invention with thisEnclose, all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection of the present inventionIn scope.
Claims (5)
1. a motor rear axle power-shift gear box, has shifting shaft (1), power output shaft (2), changesGear shaft (1) is upper is provided with top gear gear (3) and bottom gear gear (4) at a distance of rotating, and is positioned at top gear toothOn the shifting shaft (1) in wheel (3) outside, be fixed with power driving gear (5), power output shaft (2) is upper solidSurely have and the power driven gear (6) of power driving gear (5) engaged transmission, it is characterized in that: also comprise straightFlow motor (7) and be fixed on the gearshift driving gear (8) on direct current generator (7) output shaft, being parallel to and changingGear shaft (1) is provided with guide rod (9), and upper rotation of guide rod (9) is provided with and the driving gear of shifting gears (8) engaged transmissionGearshift driven gear (10), the guide rod (9) in gearshift driven gear (10) outside is upper vertical embed fixingThere is sliding panel (11), be positioned on the guide rod (9) between top gear gear (3) and bottom gear gear (4)Be fixed with shift fork (12), on shift fork (12), be connected with the gearshift ring (13) sliding on shifting shaft (1),Gearshift driven gear (10) has a pair of annular slide track being arranged symmetrically with towards the lateral surface of sliding panel (11)Ring (14), described annular slide track ring (14) comprises that three of corresponding low grade, neutral gear and high-grade position haveThe platform (14-1) of difference in height, with the rotation of gearshift driven gear (10), sliding panel (11) two ends successivelyBeing pressed in the upper guide rod (9) that drives of described platform (14-1) does straight reciprocating motion, makes to shift gears and encircle (13) along changingGear shaft (1) axis moves and realizes the conversion of speed change gear low grade, neutral gear and high-grade position.
2. motor rear axle power-shift gear box according to claim 1, is characterized in that: described cunningMoving plate (11) vertically inserts guide rod (9) along guide rod (9) axis centre, the wider side of sliding panel (11)Parallel with guide rod (9) axis, the narrower side of sliding panel (11) is pressed on described platform (14-1).
3. motor rear axle power-shift gear box according to claim 2, is characterized in that: described leadsBar (9) end is fixed with pressure ring (15), and pressure ring (15) and sliding panel (11) are established between narrower sideThere is the first back-moving spring (16), between gearshift driven gear (10) and shift fork (12), be provided with the second reset bulletSpring (17).
4. motor rear axle power-shift gear box according to claim 1, is characterized in that: described is flatBetween platform (14-1), be provided with the circular arc slideway (14-2) of inclination.
5. motor rear axle power-shift gear box according to claim 1, is characterized in that: described direct currentMotor (7) output shaft side is provided with the Hall element (18) that can detect direct current generator (7) output speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480182.7A CN104279321B (en) | 2014-09-18 | 2014-09-18 | Motor rear axle power-shift gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480182.7A CN104279321B (en) | 2014-09-18 | 2014-09-18 | Motor rear axle power-shift gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279321A CN104279321A (en) | 2015-01-14 |
| CN104279321B true CN104279321B (en) | 2016-05-04 |
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ID=52254505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410480182.7A Expired - Fee Related CN104279321B (en) | 2014-09-18 | 2014-09-18 | Motor rear axle power-shift gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279321B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605179B (en) * | 2015-11-14 | 2019-02-12 | 马平 | A kind of three class gear shift gear-box |
| CN106641126A (en) * | 2017-01-17 | 2017-05-10 | 大连理工大学 | Gear speed transformation device |
| CN108591378A (en) * | 2017-08-04 | 2018-09-28 | 杭州富阳新远新能源有限公司 | A kind of travelling platform with distribution network driving wheel |
| CN110206856A (en) * | 2019-06-20 | 2019-09-06 | 刘正民 | Manual push-pull driving mechanism |
| CN112728021B (en) * | 2020-12-28 | 2022-05-17 | 重庆市佳南工贸有限公司 | Gear box |
| CN115264008B (en) * | 2022-07-20 | 2023-03-24 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Two-gear speed change rear axle driving structure of electric automobile |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187552Y (en) * | 2008-01-31 | 2009-01-28 | 何良兵 | Electric vehicle two-shift speed changer |
| CN201887599U (en) * | 2010-12-14 | 2011-06-29 | 蔡旭阳 | Speed changer for electric motor car |
| CN102518793A (en) * | 2011-11-30 | 2012-06-27 | 武汉科荣车业有限公司 | Automatic speed-changing mechanism for electric vehicle |
| KR101249148B1 (en) * | 2011-12-22 | 2013-04-01 | 현대위아 주식회사 | Transmission for electric vehicle |
| KR20130109871A (en) * | 2012-03-28 | 2013-10-08 | 지앤씨 유한회사 | Transmission for electric vehicle with two planetary gear |
| CN203395108U (en) * | 2013-07-25 | 2014-01-15 | 芜湖爱瑞特环保科技有限公司 | Novel electric car gearbox |
| CN203796866U (en) * | 2014-04-22 | 2014-08-27 | 重庆宗申发动机制造有限公司 | Two-gear speed change mechanism for electric vehicle |
| CN204226627U (en) * | 2014-09-18 | 2015-03-25 | 范兆军 | Motor rear axle power-shift gear box |
-
2014
- 2014-09-18 CN CN201410480182.7A patent/CN104279321B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104279321A (en) | 2015-01-14 |
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| C06 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20200918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |