CN105114613A - Automatic gear shift mechanism - Google Patents
Automatic gear shift mechanism Download PDFInfo
- Publication number
- CN105114613A CN105114613A CN201510442552.2A CN201510442552A CN105114613A CN 105114613 A CN105114613 A CN 105114613A CN 201510442552 A CN201510442552 A CN 201510442552A CN 105114613 A CN105114613 A CN 105114613A
- Authority
- CN
- China
- Prior art keywords
- gear
- shift
- fork
- shaft
- self
- 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.)
- Pending
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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/2807—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 using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- 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
- F16H63/40—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 comprising signals other than signals for actuating the final output mechanisms
Abstract
The invention discloses an automatic gear shift mechanism. The automatic gear shift mechanism comprises a shifting fork assembly, a power assembly used for driving the shifting fork assembly to carry out a reciprocating motion to shift gears, and a shifting fork position detection device used for detecting the position of the shifting fork assembly so as to control the action of the power assembly. The automatic gear shift mechanism disclosed by the invention has few gear shift component, a fast gear shift response, and a high gear shift accuracy, thus preventing gears from being not shifted in place.
Description
Technical field
The present invention relates to speed changer field, specifically a kind of self-clanging gear-shift.
Background technique
The gearshift of existing two-shift automatic variable speed automobile mainly comprises gear shifting motor, reducing gear, shift fork drive unit (shift block), declutch shift shaft, shift fork composition, wherein, reducing gear many employings worm gear, worm reduction gear, shift block many employings cam mechanism.When gear shift, by shift motor providing source power or rotating speed, after reducing gear slows down, be converted to the rotary motion of cam, the rotation forces of cam is enclosed within the shift fork rectilinear movement on declutch shift shaft, and then realizes gear switch.Adopt this structure, many owing to participating in gear shift original paper quantity, transferring power is complicated, add the rate of breakdown of gearshift, worm and gear, the manufacturing and designing of cam mechanism also exist quality of product hidden danger, and worm and gear, cam mechanism difficulty of processing are large, manufacture cost is high.In addition, when gear shift, due to cam mechanism generation excessive wear after accuracy of manufacturing factor or Long-Time Service, always there is gap in cam mechanism, thus the phenomenon easily causing gear shift not in place.
Therefore, for overcoming the above problems, needing that a kind of shifting element is few, gearshift reaction is fast, there is higher gearshift precision simultaneously, thus avoid self-clanging gear-shift not in place of shifting gears.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, provide that a kind of shifting element is few, gearshift reaction is fast, there is higher gearshift precision simultaneously, thus avoid self-clanging gear-shift not in place of shifting gears.
Self-clanging gear-shift of the present invention, comprises pull-fork assembly, for driving described pull-fork assembly to move back and forth to carry out the Power Component of shifting gears and for detecting pull-fork assembly position thus controlling the shift fork position detecting device of Power Component action;
Further, described shift fork position detecting device comprises the magnetic induction part that is arranged on pull-fork assembly and is arranged at speed changer for detecting the sensor of described magnetic induction part position;
Further, described pull-fork assembly comprises declutch shift shaft and slides axially and is matched with the shift fork of described declutch shift shaft; Be provided with elastic force between described declutch shift shaft and shift fork and moved back and forth vertically by this resilient force shift fork;
Further, described declutch shift shaft is provided with outside thread; Described Power Component comprise around axial single-degree-of-freedom be rotatably arranged at speed changer and with the driven gear of described declutch shift shaft by screw-thread fit;
Further, described Power Component also comprises gear shifting drive motor and transmission is equipped with in described gear shifting drive motor output shaft and the driving gear engaged with described driven gear;
Further, described elastic force comprises and being arranged on the left of shift fork for promoting left spring that shift fork moves right and being arranged on the right side of shift fork for promoting the right spring that shift fork is moved to the left;
Further, be provided with sliding bearing between described shift fork and declutch shift shaft and be slidably matched by this sliding bearing and declutch shift shaft;
Self-clanging gear-shift of the present invention also comprises the driving shaft arranged in parallel with declutch shift shaft, the combined cover being matched with described driving shaft in the mode of the circumferencial direction transmission that slides axially, the first gear being rotatably matched with described gearshift driving shaft and the second gear; Described combined cover to be arranged between the first gear and the second gear and to drive it to move vertically by shift fork;
Further, described sensor comprises the first sensor for judging combined cover and the first gear engagement and the second sensor for judging combined cover and the second gear engagement.
The invention has the beneficial effects as follows: automatic gearshift of the present invention, utilize motor, the equipment such as cylinder realize gearshift as Power Component with the to-and-fro motion of shift fork assembly, shift fork position detecting device can adopt the position detecting elements such as existing magnetic-inductive device to detect the position information of pull-fork assembly, control unit for controlling Power Component action accepts this position information and judges whether the gear shift action of pull-fork assembly puts in place and control the start and stop of Power Component by this position information, therefore, utilize the rich position information that wipes the sweat of shift fork position probing collection can ensure shift of transmission accuracy of action and reliability with the action controlling Power Component.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, the self-clanging gear-shift of the present embodiment, comprise pull-fork assembly, the Power Component carrying out shifting gears is moved back and forth and for detecting pull-fork assembly position thus controlling the shift fork position detecting device of Power Component action for driving described pull-fork assembly, the automatic gearshift of the present embodiment, utilize motor 3, the equipment such as cylinder realize gearshift as Power Component with the to-and-fro motion of shift fork assembly, shift fork position detecting device can adopt existing position detecting element such as magnetic-inductive device 13 grade to detect the position information of pull-fork assembly, control unit for controlling Power Component action accepts this position information and judges whether the gear shift action of pull-fork assembly puts in place and control the start and stop of Power Component by this position information, therefore, utilize the rich position information that wipes the sweat of shift fork position probing collection can ensure shift of transmission accuracy of action and reliability with the action controlling Power Component.
In the present embodiment, described shift fork position detecting device comprises the magnetic induction part that is arranged on pull-fork assembly and is arranged at speed changer for detecting the sensor 1 of described magnetic induction part position, sensor 1 is provided with two and correspondence is arranged at two engagement positios of pull-fork assembly respectively, after pull-fork assembly drives gear shift combined cover 8 to engage, sensor 1 receives magnetic signal and sends control signal and controls Power Component stopping driving, avoids gearshift.
In the present embodiment, described pull-fork assembly comprises declutch shift shaft 12 and slides axially and is matched with the shift fork of described declutch shift shaft 12; Be provided with elastic force between described declutch shift shaft 12 and shift fork and moved back and forth vertically by this resilient force shift fork; Shift fork drives it to move back and forth by elastic force, and then drive clutch collar to move back and forth to realize gearshift, resilient force is passed through in movement due to selector fork, therefore, clutch collar is entering in gear process, can effectively avoid speed changer to occur mentioning, beating the phenomenons such as tooth in shift process, it is more easy and smooth-going to make into gear.
In the present embodiment, described declutch shift shaft 12 is provided with outside thread, described Power Component comprise around axial single-degree-of-freedom be rotatably arranged at speed changer and with the driven gear 11 of described declutch shift shaft 12 by screw-thread fit, Power Component can adopt motor 3 grade to export the power plant of rotary motion, and its clutch end and driven gear 11 are in transmission connection, rotate by driving driven gear 11, screw thread can be utilized to carry out power screw thus shift fork axle 12 moves vertically, driven gear 11 is installed on case of transmission by bearing 10, axial float is there is for avoiding driven gear 11, can install on shaft part at the bearing of driven gear 11 and a back-up ring is set, driven gear 11 and bearing 10 inner ring is made to realize axial restraint.
In the present embodiment, described Power Component also comprises gear shifting drive motor 3 and transmission is equipped with in described gear shifting drive motor 3 output shaft and the driving gear 2 engaged with described driven gear 11, moves back and forth vertically by controlling drive motor 3 forward and reverse shift fork axle 12.
In the present embodiment, described elastic force comprises and being arranged on the left of shift fork for promoting left spring 4 that shift fork moves right and being arranged on the right side of shift fork for promoting the right spring 5 that shift fork is moved to the left, left spring 4 left end is undertaken spacing by the shaft shoulder of declutch shift shaft 12, and left spring 4 right-hand member peaks on the left of shift fork; Declutch shift shaft 12 can be arranged a snap ring on the right side of right spring 5, peak on the right side of shift fork on the left of right spring 5, when shifting gears, move right declutch shift shaft 12, and now, declutch shift shaft 12 shaft shoulder promotes left spring 4 and moves to right, promoting shift fork does flexible mobile, if now clutch collar and shelves tooth are not combined, right spring 5 linearly will promote shift fork by self-characteristic, thus the shelves toe joint trap be enclosed within shift fork and shelves tooth carry out in conjunction with complete.Left spring 4 returns to free state, in like manner utilizes right spring 5 shift fork to move to left and shifts gears, be not repeated at this.
In the present embodiment, be provided with sliding bearing 6 between described shift fork and declutch shift shaft 12 and be slidably matched by this sliding bearing 6 and declutch shift shaft 12, utilizing sliding bearing 6 effectively can reduce force of sliding friction between shift fork and declutch shift shaft 121, thus reduce gearshift resistance.
The first gear 9 and the second gear 7 that self-clanging gear-shift of the present invention also comprises the driving shaft arranged in parallel with declutch shift shaft 12, is matched with the combined cover 8 of described driving shaft, is rotatably matched with described gearshift driving shaft in the mode of the circumferencial direction transmission that slides axially; Described combined cover 8 to be arranged between the first gear 9 and the second gear 7 and to drive it to move vertically by shift fork, combined cover 8 can be driven to move axially relative to driving shaft thus alternately engage with the first gear 9 and the second gear 7, to realize gearshift by shift fork.
In the present embodiment, described sensor comprises for judging the first sensor that combined cover 9 engages with the first gear 9 and the second sensor for judging combined cover 8 and the second gear engagement 7, after clutch collar 8 and the first gear engagement 9, first sensor receives the induced signal of magnetic induction part, thus judge that clutch collar 8 and the first gear engagement 9 complete and control motor stalling, avoided gearshift, in like manner the engaging process of known clutch collar 8 and the second gear 7, is not repeated at this.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. a self-clanging gear-shift, is characterized in that: comprise pull-fork assembly, for driving described pull-fork assembly to move back and forth to carry out the Power Component of shifting gears and for detecting pull-fork assembly position thus controlling the shift fork position detecting device of Power Component action.
2. self-clanging gear-shift according to claim 1, is characterized in that: described shift fork position detecting device comprises the magnetic induction part that is arranged on pull-fork assembly and is arranged at speed changer for detecting the sensor of described magnetic induction part position.
3. self-clanging gear-shift according to claim 1, is characterized in that: described pull-fork assembly comprises declutch shift shaft and slides axially and is matched with the shift fork of described declutch shift shaft; Be provided with elastic force between described declutch shift shaft and shift fork and moved back and forth vertically by this resilient force shift fork.
4. self-clanging gear-shift according to claim 3, is characterized in that: described declutch shift shaft is provided with outside thread; Described Power Component comprise around axial single-degree-of-freedom be rotatably arranged at speed changer and with the driven gear of described declutch shift shaft by screw-thread fit.
5. self-clanging gear-shift according to claim 4, is characterized in that: described Power Component also comprises gear shifting drive motor and transmission is equipped with in described gear shifting drive motor output shaft and the driving gear engaged with described driven gear.
6. self-clanging gear-shift according to claim 3, is characterized in that: described elastic force comprises and being arranged on the left of shift fork for promoting left spring that shift fork moves right and being arranged on the right side of shift fork for promoting the right spring that shift fork is moved to the left.
7. self-clanging gear-shift according to claim 3, is characterized in that: be provided with sliding bearing between described shift fork and declutch shift shaft and be slidably matched by this sliding bearing and declutch shift shaft.
8. self-clanging gear-shift according to claim 1, is characterized in that: also comprise the driving shaft arranged in parallel with declutch shift shaft, the combined cover being matched with described driving shaft in the mode of the circumferencial direction transmission that slides axially, the first gear being rotatably matched with described gearshift driving shaft and the second gear; Described combined cover to be arranged between the first gear and the second gear and to drive it to move vertically by shift fork.
9. self-clanging gear-shift according to claim 1, is characterized in that: described sensor comprises the first sensor for judging combined cover and the first gear engagement and the second sensor for judging combined cover and the second gear engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442552.2A CN105114613A (en) | 2015-07-24 | 2015-07-24 | Automatic gear shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442552.2A CN105114613A (en) | 2015-07-24 | 2015-07-24 | Automatic gear shift mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105114613A true CN105114613A (en) | 2015-12-02 |
Family
ID=54662668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442552.2A Pending CN105114613A (en) | 2015-07-24 | 2015-07-24 | Automatic gear shift mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114613A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978219A (en) * | 2016-05-18 | 2016-09-28 | 山东理工大学 | DC motor and double-speed electromagnetic direct driving transmission integrated power system |
| CN105978218A (en) * | 2016-05-18 | 2016-09-28 | 山东理工大学 | Switch magnetic resistance motor and double-speed electromagnetic direct-driving transmission integrated power system |
| CN109973648A (en) * | 2019-03-19 | 2019-07-05 | 西安法士特汽车传动有限公司 | A kind of gearbox gear selecting Jiang Zu mechanism and its gear selecting method |
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|---|---|---|---|---|
| US5205179A (en) * | 1990-07-21 | 1993-04-27 | Ina Walzlager Schaeffler Kg | Speed changing device |
| US5460060A (en) * | 1994-07-27 | 1995-10-24 | Eaton Corporation | Transmission shifting mechanism with spring loaded ball screw |
| EP1300614A2 (en) * | 2001-10-02 | 2003-04-09 | Robert Bosch Gmbh | Method of detecting the neutral position of an automated shift device |
| CN200988565Y (en) * | 2006-11-06 | 2007-12-12 | 金华市绿源电动车有限公司 | Electric control mechanical speed changing mechanism for electric bicycle |
| CN101109438A (en) * | 2007-08-24 | 2008-01-23 | 力帆实业(集团)有限公司 | Stage switching force sensor |
| CN102444776A (en) * | 2010-10-12 | 2012-05-09 | 彭道琪 | Grease pressing pump |
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN202484218U (en) * | 2012-03-21 | 2012-10-10 | 彭跃林 | Speed changing box of automatic gear change electro-mobile |
| CN103206529A (en) * | 2013-04-07 | 2013-07-17 | 无锡金田元丰科技股份有限公司 | Linear movement buffering type speed change control mechanism and automatic speed change device |
| CN203384306U (en) * | 2013-08-07 | 2014-01-08 | 韶能集团韶关宏大齿轮有限公司 | Two-shaft type automatic gear shift transmission of synchronizer |
| CN203796918U (en) * | 2014-04-15 | 2014-08-27 | 福田雷沃国际重工股份有限公司 | Electric control double-gear gearbox for electric tricycle |
-
2015
- 2015-07-24 CN CN201510442552.2A patent/CN105114613A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205179A (en) * | 1990-07-21 | 1993-04-27 | Ina Walzlager Schaeffler Kg | Speed changing device |
| US5460060A (en) * | 1994-07-27 | 1995-10-24 | Eaton Corporation | Transmission shifting mechanism with spring loaded ball screw |
| EP1300614A2 (en) * | 2001-10-02 | 2003-04-09 | Robert Bosch Gmbh | Method of detecting the neutral position of an automated shift device |
| CN200988565Y (en) * | 2006-11-06 | 2007-12-12 | 金华市绿源电动车有限公司 | Electric control mechanical speed changing mechanism for electric bicycle |
| CN101109438A (en) * | 2007-08-24 | 2008-01-23 | 力帆实业(集团)有限公司 | Stage switching force sensor |
| CN102444776A (en) * | 2010-10-12 | 2012-05-09 | 彭道琪 | Grease pressing pump |
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN202484218U (en) * | 2012-03-21 | 2012-10-10 | 彭跃林 | Speed changing box of automatic gear change electro-mobile |
| CN103206529A (en) * | 2013-04-07 | 2013-07-17 | 无锡金田元丰科技股份有限公司 | Linear movement buffering type speed change control mechanism and automatic speed change device |
| CN203384306U (en) * | 2013-08-07 | 2014-01-08 | 韶能集团韶关宏大齿轮有限公司 | Two-shaft type automatic gear shift transmission of synchronizer |
| CN203796918U (en) * | 2014-04-15 | 2014-08-27 | 福田雷沃国际重工股份有限公司 | Electric control double-gear gearbox for electric tricycle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978219A (en) * | 2016-05-18 | 2016-09-28 | 山东理工大学 | DC motor and double-speed electromagnetic direct driving transmission integrated power system |
| CN105978218A (en) * | 2016-05-18 | 2016-09-28 | 山东理工大学 | Switch magnetic resistance motor and double-speed electromagnetic direct-driving transmission integrated power system |
| CN105978218B (en) * | 2016-05-18 | 2019-02-12 | 山东理工大学 | Switched reluctance machines and double speed electromagnetic direct-drive speed changer integrated power system |
| CN105978219B (en) * | 2016-05-18 | 2019-02-26 | 山东理工大学 | Direct current generator and double speed electromagnetic direct-drive speed changer integrated power system |
| CN109973648A (en) * | 2019-03-19 | 2019-07-05 | 西安法士特汽车传动有限公司 | A kind of gearbox gear selecting Jiang Zu mechanism and its gear selecting method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |