CN103206529A - Linear movement buffering type speed change control mechanism and automatic speed change device - Google Patents
Linear movement buffering type speed change control mechanism and automatic speed change device Download PDFInfo
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- CN103206529A CN103206529A CN2013101189887A CN201310118988A CN103206529A CN 103206529 A CN103206529 A CN 103206529A CN 2013101189887 A CN2013101189887 A CN 2013101189887A CN 201310118988 A CN201310118988 A CN 201310118988A CN 103206529 A CN103206529 A CN 103206529A
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Abstract
The invention provides an automatic speed change device and a linear movement buffering type speed change control mechanism thereof. The linear movement buffering type speed change control mechanism comprises a transmission screw rod fixed to an output shaft of a servo motor, a screw meshed to the transmission screw rod and capable of moving in the direction of the axis of the transmission screw rod, a shifting fork mounted between two buffering springs and capable of being pushed by the two buffering springs to horizontally move, a sensing element arranged on the screw and used for indicating moving distance of the shifting fork, and a gear sensor. A meshing portion and a spring mounting groove which are meshed are formed on the screw, the two buffering springs are mounted in the spring mounting groove which is arranged at the other end opposite to the meshing portion, and when the sensing element is detected, corresponding shifting end signals are given out. The scheme combining embedded computer control with mechanical fault-tolerant technology is adopted, so that shifting comfortability, reliability and practicability are all improved effectively, and the problem of gear shifting of a two-gear-type automatic speed changer is solved.
Description
Technical field
The present invention relates to the electric vehicle field, move buffering type selector gear and automatic transimission in particular to a kind of straight line.
Background technique
During " eight or five ", pure electric automobile is put into emphasis research and development brainstorm project, the enforcement period of the ninth five-year plan is classified pure electric automobile as great scientific and technological industry engineering, Tenth Five-Year Plan Period set up " 863 Program " pure electric automobile major scientific and technological project, the Eleventh Five-Year Plan period set up " 863 Program " energy-conservation and new-energy automobile major project again, according to the demand of current national energy development strategy and urban air, environmental requirement and vast rural market, the research and development of pure electric automobile, application and popularization are inexorable trends.
On pure electric automobile, for making drive motor often be operated in rotating speed 2000r/min, near the efficient operating point about torque 50Nm, just require the transmission deceleration system of vehicle must have the function of gear ratio, make power assembly when vehicle starting and low speed driving, reduction speed ratio increases, drive motor is operated near the rated speed point about 2000r/min, when the urban road that reaches 30～60km/h when the speed of a motor vehicle of automobile often uses the speed of a motor vehicle, reduction speed ratio reduces, drive motor still can be operated near the rated speed point about 2000r/min, effectively guarantee the acceleration of vehicle, climbable gradient, the utilization of continual mileage and the energy content of battery.
Present domestic pure electric automobile also exists complete vehicle structure to lack to cooperate problems such as not tight between compactedness, each assembly with abroad comparing.In order to address these problems, China scientific and technological circle are making great efforts to make each crucial constituent elements of pure electric automobile to develop to modularization and integrated direction, wherein second gear formula automatic transmission is one of crucial constituent elements of pure electric automobile power assembly, and the key issue of second gear formula automatic transmission technological development is to solve the shifting shock of gear switch process medium power transmission sudden change initiation and the gear shift location fault-toleranr technique of automatic speed changing process.
Summary of the invention
At defective and the deficiency of prior art, the present invention aims to provide a kind of straight line and moves buffering type selector gear and automatic transimission, is suitable for solving the manipulation needs of electric vehicle second gear formula automaitc shfit process.
For achieving the above object, the present invention proposes a kind of rectilinearly-movable selector gear, is installed in the case of transmission, comprising: a drive lead screw, and the one end is fixed to the output shaft of an actuating motor; One screw is engaged to aforementioned drive lead screw and can be mobile at the drive lead screw axial direction, its be formed with the engaging piece of aforementioned drive lead screw engagement and with the spring mounting groove of the relative the other end of engaging piece, two damping springs are installed in this spring mounting groove; One selector fork, it is installed between aforementioned two damping springs and promotes this selector fork by these two damping springs when aforementioned screw moves and moves in the direction that is parallel to aforementioned drive lead screw axis; Spring is a compression slightly, just can be pushed into very easily in the groove, is arranged at the sense cell that also is used for expression selector fork displacement distance on the aforementioned screw; And being arranged at gear position sensor on the aforementioned case of transmission, this gear position sensor sends corresponding gearshift end signal when detecting aforementioned sense cell.
Further, this also comprises a supporting axle selector gear, and supporting axle is fixed on the case of transmission, and shift fork and supporting axle are to be slidingly connected, and shift fork can slide along supporting axis, as shown in Figure 6.Aforementioned selector fork moves and drives a synchronizer along the axial direction of this supporting axle and slides synchronously, and this synchronizer has the ring gear with the engagement of high speed/low speed gear.
Further, aforementioned gear position sensor comprises bottom gear position sensor, high range position sensor and neutral position sensor, and sends corresponding quick change retaining end signal according to the position of sense cell.
Further, aforementioned sense cell is an induced magnet.
Further, aforementioned spring mounting groove is inverted U-shaped.
Further, aforementioned drive lead screw and the coaxial and synchronous rotation of the output shaft of aforementioned actuating motor.
Further, aforementioned actuating motor receives a gearshift control signal and drives drive lead screw and rotates to carry out the gearshift action, and stops the gearshift action according to aforementioned gearshift end signal.
Further, this rectilinearly-movable selector gear is used for the speed change manipulation control of pure electric automobile.
Another aspect of the present invention also proposes a kind of automatic transimission, comprise gearshift controller, actuating motor, high gear, low speed gear, synchronizer and aforesaid rectilinearly-movable selector gear, this gearshift controller stops actuating motor according to user's shifting commands control actuating motor rotation and according to the gearshift end signal that the rectilinearly-movable selector gear sends.
The invention has the beneficial effects as follows: by above technological scheme as can be known, rectilinearly-movable selector gear of the present invention and automatic transimission, utilize mobile screw to be connected with buffering between the reverse shift fork, utilize the mechanical fault-tolerant of spring buffer realization, and shift control employing TCU(embedded computer) control the scheme of being combined with mechanical fault-toleranr technique, compare other rigidly connected gearshift mechanism, its gear shift travelling comfort, reliability, practicability is all effectively improved; And optimal design shift control mechanism, in light weight, volume is little, Highgrade integration.
Description of drawings
Fig. 1 is the structural representation of the one exemplary embodiment of automatic transimission of the present invention.
Fig. 2 is that Fig. 1 embodiment is at the schematic representation of other direction.
Fig. 3 for Fig. 1 embodiment in the bottom gear view of shifting gears.
Fig. 4 is schematic representation and the position relation of gear position sensor among Fig. 2.
Fig. 5 is the structural representation of selector fork among Fig. 1 embodiment.
The structure for amplifying schematic representation that Fig. 6 moves for selector fork.
Embodiment
In order more to understand technology contents of the present invention, especially exemplified by specific embodiment and cooperate appended graphic being described as follows.
As depicted in figs. 1 and 2, according to one exemplary embodiment of the present invention, automatic transimission comprises housing 1 and is positioned at actuating motor 2, synchronizer 10, high gear 11, low speed gear 12, gearshift controller (not shown) and the rectilinearly-movable selector gear of housing that this gearshift controller stops actuating motor according to user's shifting commands control actuating motor 2 rotations and according to the gearshift end signal that the rectilinearly-movable selector gear sends.This rectilinearly-movable selector gear is installed in the case of transmission 1, comprising: a drive lead screw 3, and the one end is fixed to the output shaft of an actuating motor 2; One screw 4, being engaged to drive lead screw 3 also can be mobile at the drive lead screw axial direction, screw 4 be formed with the engaging piece 4A of drive lead screw 3 engagement and with the spring mounting groove of the relative the other end of engaging piece 4A, two damping springs 5 are installed in this spring mounting groove 3B; One selector fork 6, selector fork are installed between two damping springs 5 and promote this selector fork 6 by these two damping springs 5 when screw 4 move and move in the direction that is parallel to the drive lead screw axis; Be arranged at the sense cell 7 that also is used for expression selector fork displacement distance on the screw; And being arranged at gear position sensor 8 in the aforementioned case of transmission 1, this gear position sensor 8 sends corresponding gearshift end signal when detecting sense cell 7.The spring mounting groove is an inverted U-shaped, is beneficial to install damping spring 5 and selector fork 6.With reference to figure 1 and shown in Figure 5.As shown in figures 1 and 3, this also comprises a supporting axle 9 selector gear, and selector fork 6 moves and drives a synchronizer 10 along the axial direction of this supporting axle 9 and slides synchronously, and this synchronizer 10 has the ring gear with high gear 11 or low speed gear 12 engagements.
As shown in Figure 2, gear position sensor 8 is installed in the case of transmission 1, when the sense cell of installing on the screw 47 near the time, gear position sensor 8 may detect this sense cell 7.Sense cell is an induced magnet, certainly not as limit.Gear position sensor 8 comprises bottom gear position sensor 8A, high range position sensor 8B and the neutral gear gear position sensor 8C between bottom gear position sensor 8A and high range position sensor 8B, when induced magnet near the time, bottom gear position sensor 8A or high range position sensor 8B send corresponding low speed gearshift end signal or the end signal of shifting gears at a high speed according to its sense cell that detects.
In the present embodiment, gearshift controller sends gear shifting signal according to user's shifting commands and controls actuating motor 2 and rotate to carry out the gearshift action, drive lead screw 3 is coaxial with the output shaft of actuating motor 2, so rotate synchronously to drive drive lead screw 3, to rotatablely move by screw 4 again and be converted into straight line motion, screw 4 is mobile at the drive lead screw axial direction, and realizes the gearshift action by two damping springs, the 5 promotion selector forks 6 that install the screw below.
As Fig. 1, Fig. 3 and shown in Figure 4, be example with the shift process from neutral gear to bottom gear, actuating motor 2 drives drive lead screw 3 and rotates in the counterclockwise direction, screw 4 moves towards the left front along the drive lead screw axial direction, under the effect of damping spring 5 initial thrusts, reverse shift fork 6 also moves towards the left front on the axial direction of supporting axle, and drive synchronizer 10 slides synchronously, when synchronizer 10 moves into place, when the end face of low-grade gear 11 is arrived on reverse shift fork 1 top, if this moment, bottom gear position sensor 8A did not sense sense cell, then drive lead screw 3 can continue to drive screw 4 and moves a segment distance to the left front, sensor 8A senses induced magnet 7 up to the bottom gear position, so can play to guarantee to make the effect of reverse shift fork 6 reliable location.Utilize the buffering with certain distance that connects between drive lead screw 3 and the reverse shift fork 6, realize the mechanical fault-tolerant setting of gearshift procedure Transmitted chains from mechanical structure.
In certain embodiments, can be to engage fully with engaging tooth on being welded on low-grade gear 11 when the ring gear of synchronizer 10, when the end face of synchronizer 10 and 11 formation of low-grade gear is arrived on selector fork 6 tops, bottom gear position sensor 8A can sense sense cell 7 and output is shifted gears end signal to gearshift controller, to stop actuating motor, to finish gearshift.
In the present embodiment, as shown in figures 1 and 3, the shift process from neutral gear to top gear is similar substantially with the shift process from neutral gear to bottom gear, and just the sense of rotation of drive lead screw 3 changes, move to the right back thereby drive screw 4, its process and controlling method shift gears with low-grade that to control process identical.Repeat no more.
Rectilinearly-movable selector gear of the present invention and automatic transimission can be used for the speed change of pure electric automobile and handle control, the volume compact of this speed changing operating mechanism, in light weight, gearshift procedure weak point transient time, it is little that torque changes impact, be suitable for the manipulation needs of the second gear formula automatic transmission automaitc shfit process of pure electric automobile configuration, solve a series of technical problems that are mutually related in the second gear formula A/T gear position handoff procedure.
In sum, rectilinearly-movable selector gear of the present invention and automatic transimission, utilize mobile screw to be connected with buffering between the reverse shift fork, utilize the mechanical fault-tolerant of spring buffer realization, and shift control employing TCU(embedded computer) control the scheme of being combined with mechanical fault-toleranr technique, compare other rigidly connected gearshift mechanism, its gear shift travelling comfort, reliability, practicability is all effectively improved; And optimal design shift control mechanism, in light weight, volume is little, Highgrade integration.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (9)
1. a rectilinearly-movable selector gear is installed in the case of transmission, it is characterized in that, comprising:
One drive lead screw, the one end is fixed to the output shaft of an actuating motor;
One screw is engaged to aforementioned drive lead screw and can be mobile at the drive lead screw axial direction, its be formed with the engaging piece of aforementioned drive lead screw engagement and with the spring mounting groove of the relative the other end of engaging piece, two damping springs are installed in this spring mounting groove;
One selector fork, it is installed between aforementioned two damping springs and promotes this selector fork by these two damping springs when aforementioned screw moves and moves in the direction that is parallel to aforementioned drive lead screw axis;
Be arranged at the sense cell that also is used for expression selector fork displacement distance on the aforementioned screw; And
Be arranged at the gear position sensor on the aforementioned case of transmission, this gear position sensor sends corresponding gearshift end signal when detecting aforementioned sense cell.
2. rectilinearly-movable selector gear according to claim 1 is characterized in that, also comprises a supporting axle, and supporting axle is fixed on the case of transmission, and shift fork and supporting axle are to be slidingly connected, and shift fork can slide along supporting axis; Aforementioned selector fork moves and drives a synchronizer along the axial direction of this supporting axle and slides synchronously, and this synchronizer has the ring gear with the engagement of high speed/low speed gear.
3. rectilinearly-movable selector gear according to claim 2, it is characterized in that, aforementioned gear position sensor comprises bottom gear position sensor, high range position sensor and neutral position sensor, and sends corresponding gearshift end signal according to the position of sense cell.
4. rectilinearly-movable selector gear according to claim 3 is characterized in that, aforementioned sense cell is an induced magnet.
5. rectilinearly-movable selector gear according to claim 3 is characterized in that, aforementioned spring mounting groove is inverted U-shaped.
6. rectilinearly-movable selector gear according to claim 3 is characterized in that, aforementioned drive lead screw and the coaxial and synchronous rotation of the output shaft of aforementioned actuating motor.
7. according to the described rectilinearly-movable selector gear of aforementioned any claim, it is characterized in that, aforementioned actuating motor receives a gearshift control signal and drives drive lead screw and rotates to carry out the gearshift action, and stops the gearshift action according to aforementioned gearshift end signal.
8. rectilinearly-movable selector gear according to claim 7 is characterized in that, this rectilinearly-movable selector gear is used for the speed change of pure electric automobile and handles control.
9. automatic transimission, it is characterized in that, comprise gearshift controller, actuating motor, high gear, low speed gear, synchronizer and the described rectilinearly-movable selector gear of aforementioned any claim, this gearshift controller stops actuating motor according to user's shifting commands control actuating motor rotation and according to the gearshift end signal that the rectilinearly-movable selector gear sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101189887A CN103206529A (en) | 2013-04-07 | 2013-04-07 | Linear movement buffering type speed change control mechanism and automatic speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101189887A CN103206529A (en) | 2013-04-07 | 2013-04-07 | Linear movement buffering type speed change control mechanism and automatic speed change device |
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| CN103206529A true CN103206529A (en) | 2013-07-17 |
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| CN2013101189887A Pending CN103206529A (en) | 2013-04-07 | 2013-04-07 | Linear movement buffering type speed change control mechanism and automatic speed change device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373589A (en) * | 2014-11-19 | 2015-02-25 | 无锡金田元丰科技股份有限公司 | Integrated gear shifting mechanism of automatic gearbox |
| CN105114613A (en) * | 2015-07-24 | 2015-12-02 | 重庆隆旺机电有限责任公司 | Automatic gear shift mechanism |
| CN105240520A (en) * | 2015-09-23 | 2016-01-13 | 杭州安驱汽车零部件有限公司 | Gear shifting system for multi-speed electric automobile transmission |
| CN105570451A (en) * | 2016-01-06 | 2016-05-11 | 重庆幻速汽车配件有限公司 | Gear selecting and shifting executing mechanism of motor |
| CN107300014A (en) * | 2017-08-28 | 2017-10-27 | 无锡正瑞汽车传动技术有限公司 | A kind of automatic shift system of accurate control gear |
| CN107709844A (en) * | 2015-09-10 | 2018-02-16 | 雷诺股份公司 | For the method for the neutral position for learning gear shifting actuator |
| CN109424742A (en) * | 2017-09-05 | 2019-03-05 | 上海大郡动力控制技术有限公司 | Gear shifting actuating mechanism for AMT speed changer |
| CN109733993A (en) * | 2019-03-04 | 2019-05-10 | 上海港机重工有限公司 | A kind of narrow electric pushrod |
| CN109798357A (en) * | 2019-03-15 | 2019-05-24 | 安徽瑞吉安新能源汽车科技有限公司 | A kind of gear shifting actuating mechanism for two gear gearboxes |
| CN113915330A (en) * | 2021-09-28 | 2022-01-11 | 常州华创航空科技有限公司 | Gear shifting device and transmission case |
| CN114658840A (en) * | 2022-03-24 | 2022-06-24 | 江苏新能源汽车研究院有限公司 | Active speed regulation and gear shifting mechanism and method for automobile power system |
Citations (10)
| 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 |
| US5689997A (en) * | 1995-07-24 | 1997-11-25 | Ford Global Technologies, Inc. | Electric gearshift mechanism for change-speed gearboxes of motor vehicles |
| CN2725640Y (en) * | 2004-09-17 | 2005-09-14 | 南京理工大学 | Power by poss automatic speed changer gear shifting mechanism for vehicle |
| CN101603592A (en) * | 2009-07-10 | 2009-12-16 | 重庆大学 | Electric automatic shift device of motor vehicle |
| CN201606485U (en) * | 2009-12-18 | 2010-10-13 | 一汽解放青岛汽车厂 | Truck electric shifting mechanism without synchronizer transmission |
| CN201739489U (en) * | 2010-07-22 | 2011-02-09 | 常州机电职业技术学院 | Automatic controlling device for slipper gear shifting of fire fighting truck |
| CN102678850A (en) * | 2012-05-04 | 2012-09-19 | 安玉森 | Two-gear automatic gearbox for automobiles |
| CN102818015A (en) * | 2012-09-11 | 2012-12-12 | 唐海滨 | Electric motor coach mechanical automatic transmission gear shift mechanism |
| CN203258047U (en) * | 2013-04-07 | 2013-10-30 | 无锡金田元丰科技股份有限公司 | Linear moving type speed change control mechanism |
-
2013
- 2013-04-07 CN CN2013101189887A patent/CN103206529A/en active Pending
Patent Citations (10)
| 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 |
| US5689997A (en) * | 1995-07-24 | 1997-11-25 | Ford Global Technologies, Inc. | Electric gearshift mechanism for change-speed gearboxes of motor vehicles |
| CN2725640Y (en) * | 2004-09-17 | 2005-09-14 | 南京理工大学 | Power by poss automatic speed changer gear shifting mechanism for vehicle |
| CN101603592A (en) * | 2009-07-10 | 2009-12-16 | 重庆大学 | Electric automatic shift device of motor vehicle |
| CN201606485U (en) * | 2009-12-18 | 2010-10-13 | 一汽解放青岛汽车厂 | Truck electric shifting mechanism without synchronizer transmission |
| CN201739489U (en) * | 2010-07-22 | 2011-02-09 | 常州机电职业技术学院 | Automatic controlling device for slipper gear shifting of fire fighting truck |
| CN102678850A (en) * | 2012-05-04 | 2012-09-19 | 安玉森 | Two-gear automatic gearbox for automobiles |
| CN102818015A (en) * | 2012-09-11 | 2012-12-12 | 唐海滨 | Electric motor coach mechanical automatic transmission gear shift mechanism |
| CN203258047U (en) * | 2013-04-07 | 2013-10-30 | 无锡金田元丰科技股份有限公司 | Linear moving type speed change control mechanism |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373589A (en) * | 2014-11-19 | 2015-02-25 | 无锡金田元丰科技股份有限公司 | Integrated gear shifting mechanism of automatic gearbox |
| CN105114613A (en) * | 2015-07-24 | 2015-12-02 | 重庆隆旺机电有限责任公司 | Automatic gear shift mechanism |
| CN107709844A (en) * | 2015-09-10 | 2018-02-16 | 雷诺股份公司 | For the method for the neutral position for learning gear shifting actuator |
| CN107709844B (en) * | 2015-09-10 | 2020-06-12 | 雷诺股份公司 | Method for learning the neutral position of a shift actuator |
| CN105240520A (en) * | 2015-09-23 | 2016-01-13 | 杭州安驱汽车零部件有限公司 | Gear shifting system for multi-speed electric automobile transmission |
| CN105570451A (en) * | 2016-01-06 | 2016-05-11 | 重庆幻速汽车配件有限公司 | Gear selecting and shifting executing mechanism of motor |
| CN105570451B (en) * | 2016-01-06 | 2017-11-17 | 重庆幻速汽车配件有限公司 | The shift-selecting and changing actuating mechanism of one motor |
| CN107300014A (en) * | 2017-08-28 | 2017-10-27 | 无锡正瑞汽车传动技术有限公司 | A kind of automatic shift system of accurate control gear |
| CN109424742A (en) * | 2017-09-05 | 2019-03-05 | 上海大郡动力控制技术有限公司 | Gear shifting actuating mechanism for AMT speed changer |
| CN109733993A (en) * | 2019-03-04 | 2019-05-10 | 上海港机重工有限公司 | A kind of narrow electric pushrod |
| CN109798357A (en) * | 2019-03-15 | 2019-05-24 | 安徽瑞吉安新能源汽车科技有限公司 | A kind of gear shifting actuating mechanism for two gear gearboxes |
| CN113915330A (en) * | 2021-09-28 | 2022-01-11 | 常州华创航空科技有限公司 | Gear shifting device and transmission case |
| CN114658840A (en) * | 2022-03-24 | 2022-06-24 | 江苏新能源汽车研究院有限公司 | Active speed regulation and gear shifting mechanism and method for automobile power system |
| CN114658840B (en) * | 2022-03-24 | 2024-03-01 | 江苏新能源汽车研究院有限公司 | Active speed-regulating gear shifting mechanism and method for automobile power system |
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Application publication date: 20130717 |