CN109944938A - A kind of automatic gear shift actuating mechanism - Google Patents
A kind of automatic gear shift actuating mechanism Download PDFInfo
- Publication number
- CN109944938A CN109944938A CN201910204095.1A CN201910204095A CN109944938A CN 109944938 A CN109944938 A CN 109944938A CN 201910204095 A CN201910204095 A CN 201910204095A CN 109944938 A CN109944938 A CN 109944938A
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- China
- Prior art keywords
- shift fork
- fork axle
- actuating mechanism
- drive shaft
- automatic gear
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 8
- 230000033001 locomotion Effects 0.000 abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
Abstract
The present invention relates to a kind of automatic gear shift actuating mechanism, solve the problems, such as that existing gearshift may not apply to electricity and drive bridge class retarder.The automatic gear shift actuating mechanism includes driving motor, drive shaft, shift fork axle, shift fork, shift fork axle sleeve, shell and position sensor；The output shaft and driving axis connection of driving motor, drive drive shaft turns；Drive shaft setting is threadedly coupled in shell, and with shift fork axle, realizes the axial movement of shift fork axle；Shift fork axle sleeve is fixedly set in shift fork axle, and shift fork axle sleeve is fixedly connected with shift fork；Position sensor is arranged on shift fork axle sleeve or shift fork axle, for obtaining the displacement of shift fork.
Description
Technical field
The present invention relates to automobile gear shift devices, and in particular to a kind of automatic gear shift actuating mechanism.
Background technique
With the rapid development of new-energy automobile industry, each motor corporation is proposed the automobile of electrical drive power system, is
Meet different road conditions demand and high performance economical consumption of fuel condition, two gear reducers applications and give birth to.Since tradition becomes
The conditions such as fast device structure, driving method are different, and gear shifting actuating mechanism, which not can be used directly, drives bridge class retarder in electricity, need one kind
Novel automatic gear shift actuating mechanism meets the needs of electricity drives the self shifter of bridge retarder.
Summary of the invention
Present invention aim to address existing gearshifts may not apply to the problem of electricity drives bridge class retarder, provides one kind
Self shifter executes machine.
The technical scheme is that
A kind of automatic gear shift actuating mechanism, including driving motor, drive shaft, shift fork axle, shift fork, shift fork axle sleeve, shell and
Position sensor；The output shaft and driving axis connection of the driving motor, drive drive shaft turns；The drive shaft is arranged in shell
In vivo, and with shift fork axle it is threadedly coupled, realizes the axial movement of shift fork axle；The shift fork axle sleeve is fixedly set in shift fork axle,
And shift fork axle sleeve is fixedly connected with shift fork；The position sensor is arranged on shift fork axle sleeve or shift fork axle, for obtaining shift fork
Displacement.
Further, one end of the drive shaft is internally provided with rectangular channel, is arranged on the output shaft of the driving motor
There is the rectangular block matched with rectangular channel.
Further, the outer peripheral surface of described drive shaft one end is provided with the spacing breach and installation card of installation deep groove ball bearing
The annular groove of ring, the drive shaft are mounted in shell by deep groove ball bearing, and the inner ring mistake of drive shaft and deep groove ball bearing
It is full of cooperation, the inner ring of the deep groove ball bearing realizes axial limiting by the shaft shoulder and snap ring of spacing breach.
It further, further include seal receptacle, the seal receptacle is arranged between driving motor and deep groove ball bearing, the depth
The outer ring of ditch ball bearing axial limiting is realized by seal receptacle and shell.
Further, the seal receptacle and shell are sealed by the first O-ring seal.
Further, the seal receptacle and driving motor are sealed by the second O-ring seal.
Further, bushing is provided between the shell and drive shaft.
Further, the drive shaft is connect with shift fork axle by trapezoidal thread.
Further, radial through-hole is provided in the shift fork axle sleeve, shift fork and shift fork axle, fixed pin passes through shift fork axle
Set, shift fork and the radial through-hole in shift fork axle realize that three is fixedly connected.
Further, the position sensor is achieved a fixed connection with shift fork axle sleeve by screw.
Compared with prior art, the present invention having following technical effect that
The present invention provides a kind of novel automatic gear shift actuating mechanism, transmits power using motor driven, trapezoidal thread, will
Motor is converted into the linear motion of shift fork axle, and shift fork is shifted gears.By acquiring shift fork position signal, in conjunction with vehicle
Driving status and center driven control strategy, the revolving speed of control shift driving motor and steering, realize self shifter.Mechanism tool
There is the features such as simple and compact for structure, at low cost, high reliablity, is driven in bridge reducers especially suitable for two gear electricity.
Detailed description of the invention
Fig. 1 is automatic gear shift actuating mechanism structure chart of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the drive shaft structure chart of automatic gear shift actuating mechanism of the present invention；
Fig. 4 is the seal receptacle structure chart of automatic gear shift actuating mechanism of the present invention；
Fig. 5 is the shift fork axle structure chart of automatic gear shift actuating mechanism of the present invention.
Appended drawing reference: 1- shift fork axle, 2- shift fork axle sleeve, 3- position sensor, 4- screw, 5- fixed pin, 6- drive shaft, 7-
Snap ring, 8- shell, 9- deep groove ball bearing, the first O-ring seal of 10-, 11- seal receptacle, the second O-ring seal of 12-, 13- driving
Motor, 14- bolt, 15- bushing, 16- shift fork, 17- rectangular channel, 18- annular groove, the trapezoidal external screw thread of 19-, 20-O type circle groove,
21- cooperates inclined-plane, 22- trapezoidal internal thread, 23- through-hole, 24- threaded hole.
Specific embodiment
The contents of the present invention are described in further detail below in conjunction with the drawings and specific embodiments:
With the rapid development of new-energy automobile industry, electricity drives bridge dynamical system class product and comes into being, and the present invention provides
A kind of novel automatic gear shift actuating mechanism, is suitable for two gear retarders, transmits power using motor driven, trapezoidal thread, will
Motor is converted into the linear motion of shift fork axle 1, and shift fork 16 is shifted gears；By acquiring 16 position signal of shift fork, knot
Vehicle driving status and center driven control strategy, the revolving speed of control shift driving motor and steering are closed, realizes self shifter.It should
Mechanism has the characteristics that simple and compact for structure, at low cost, high reliablity, drives bridge reducers especially suitable for two gear electricity
In.
A kind of automatic gear shift actuating mechanism as shown in Fig. 1 to 5, including driving motor 13, drive shaft 6, shift fork axle 1, dial
Fork 16, shift fork axle sleeve 2, shell 8, seal receptacle 11 and position sensor 3；The output shaft of driving motor 13 is connect with drive shaft 6, band
Dynamic drive shaft 6 rotates；The setting of drive shaft 6 is threadedly coupled in shell 8, and with shift fork axle 1, realizes the axial movement of shift fork axle 1；
Shift fork axle sleeve 2 is fixedly set in shift fork axle 1, and shift fork axle sleeve 2 is fixedly connected with shift fork 16, specifically, shift fork axle sleeve 2, dial
Radial through-hole is provided on fork 16 and shift fork axle 1, fixed pin 5 passes through the radial direction in shift fork axle sleeve 2, shift fork 16 and shift fork axle 1
Through-hole realizes that three is fixedly connected；Position sensor 3 is arranged on shift fork axle sleeve 2 or shift fork axle 1, for obtaining the position of shift fork 16
It moves.
The central interior of one end of drive shaft 6 is provided with rectangular channel 17, is provided on the output shaft of driving motor 13 and square
The rectangular block that shape slot 17 matches, the two realize power transmitting by the cooperation of rectangular channel 17 and rectangular block.6 one end of drive shaft
Outer peripheral surface is provided with the spacing breach of installation deep groove ball bearing 9 and the annular groove 18 of installation snap ring 7, and drive shaft 6 passes through deep-groove ball
Bearing 9 is mounted in shell 8, and the inner ring of drive shaft 6 and deep groove ball bearing 9 is interference fitted, and the inner ring of deep groove ball bearing 9 passes through
The shaft shoulder and snap ring 7 of spacing breach realize axial limiting.Seal receptacle 11 is arranged between driving motor 13 and deep groove ball bearing 9,
The outer ring of deep groove ball bearing 9 axial limiting is realized by seal receptacle 11 and shell 8.
Fig. 1 and Fig. 2 is gear shifting actuating mechanism installation diagram, and position sensor 3 is connected in shift fork axle sleeve 2 by screw 4 or dials
On fork shaft 1；Shift fork axle sleeve 2 is connected in shift fork axle 1 by fixed pin 5；1 both ends of shift fork axle pass through shell 8 and support, faying face
Between be equipped with anti-wearing liner 15；Shift fork axle 1 connect transmitting power by trapezoidal thread 19 with drive shaft 6, and trapezoidal thread 19 has
Have the characteristics that transmission efficiency is high；Driving motor 13 and the rectangular channel 17 of 6 end of drive shaft cooperation transmitting power；Deep groove ball bearing 9
Inner ring and drive shaft 6 are interference fitted, and are limited by the shaft shoulder and snap ring 7, and outer ring is limited by shell 8 and seal receptacle 11；Seal receptacle
It is sealed between 11 and shell 8 by the first O-ring seal 10, is sealed between driving motor 13 by the second O-ring seal 12,
Driving motor 13 is connect by bolt 14 with shell 8, while being limited to seal receptacle 11.
Fig. 3 is 6 part drawing of drive shaft, and 6 one end of drive shaft is equipped with trapezoidal external screw thread 19, and the other end is equipped with a rectangular channel
17, axle body is equipped with an annular groove 18.Fig. 4 is 11 part drawing of seal receptacle, and seal receptacle 11 is equipped with a first O-shaped sealing of installation
The cooperation inclined-plane 21 of the second O-ring seal 12 of O-ring groove 20 and installation of circle 10.Fig. 5 is 1 part drawing of shift fork axle, shift fork axle 1
One end is equipped with trapezoidal internal thread 22, and axle body is equipped with a through-hole 23 and a threaded hole 24.
The gear shifting actuating mechanism course of work: the displacement information of current shift fork 16 is acquired by position sensor 3 first, and is transmitted
Signal to entire car controller, entire car controller identifies current shift signal, and in conjunction with vehicle driving status and control strategy, transmitting is changed
Signal is kept off to electric machine controller, electric machine controller controls motor speed and steering, and drive shaft 6 is driven to rotate；Due to drive shaft 6 with
9 inner ring of deep groove ball bearing is interference fitted and there is limit in front and back, cannot be moved along a straight line, can only be rotated, will by trapezoidal thread 19
Power is transferred to shift fork axle 1；Since shift fork axle 1 and shift fork axle sleeve 2 and shift fork 16 are connected, shift fork 16 in retarder with sliding tooth
Set cooperation, the power for not being able to rotate, therefore being transmitted by drive shaft 6 drive shift fork axle 1 and the movement of 16 tandem of shift fork to be changed
Gear；Position signal is transferred to electric machine controller afterwards in place in shift by position sensor 3 simultaneously, is stopped motor work, is moved certainly
Gear is completed.
New type auto gear shifting actuating mechanism of the invention is after combining entire car controller, it is easy to realize self shifter function
Can, such mechanism has simple and compact for structure, high reliablity, it is easy to accomplish the advantages that, two gear electricity drive bridge can be met very well and subtracted
The self shifter demand of fast device product.
Claims (10)
1. a kind of automatic gear shift actuating mechanism, it is characterised in that: including driving motor (13), drive shaft (6), shift fork axle (1), dial
Pitch (16), shift fork axle sleeve (2), shell (8) and position sensor (3)；
The output shaft of the driving motor (13) is connect with drive shaft (6), drives drive shaft (6) rotation；
Drive shaft (6) setting is threadedly coupled in shell (8) with shift fork axle (1), realizes that the axial of shift fork axle (1) is moved
It is dynamic；
The shift fork axle sleeve (2) is fixedly set on shift fork axle (1), and shift fork axle sleeve (2) is fixedly connected with shift fork (16)；
The position sensor (3) is arranged on shift fork axle sleeve (2) or shift fork axle (1), for obtaining the displacement of shift fork (16).
2. automatic gear shift actuating mechanism according to claim 1, it is characterised in that: inside one end of the drive shaft (6)
It is provided with rectangular channel (17), is provided with the rectangular block matched with rectangular channel (17) on the output shaft of the driving motor (13).
3. automatic gear shift actuating mechanism according to claim 2, it is characterised in that: the periphery of described drive shaft (6) one end
Face is provided with the spacing breach of installation deep groove ball bearing (9) and the annular groove (18) of installation snap ring (7), and the drive shaft (6) is logical
It crosses deep groove ball bearing (9) to be mounted in shell (8), and the inner ring of drive shaft (6) and deep groove ball bearing (9) is interference fitted, it is described
The inner ring of deep groove ball bearing (9) realizes axial limiting by the shaft shoulder and snap ring (7) of spacing breach.
4. automatic gear shift actuating mechanism according to claim 3, it is characterised in that: it further include seal receptacle (11), it is described close
It seals seat (11) to be arranged between driving motor (13) and deep groove ball bearing (9), the outer ring of the deep groove ball bearing (9) passes through sealing
Seat (11) and shell (8) realize axial limiting.
5. automatic gear shift actuating mechanism according to claim 4, it is characterised in that: the seal receptacle (11) and shell (8)
It is sealed by the first O-ring seal (10).
6. automatic gear shift actuating mechanism according to claim 5, it is characterised in that: the seal receptacle (11) and driving motor
(13) it is sealed by the second O-ring seal (12).
7. automatic gear shift actuating mechanism according to any one of claims 1 to 6, it is characterised in that: the shell (8) and driving
Bushing (15) are provided between axis (6).
8. automatic gear shift actuating mechanism according to claim 7, it is characterised in that: the drive shaft (6) and shift fork axle (1)
It is connected by trapezoidal thread.
9. automatic gear shift actuating mechanism according to claim 8, it is characterised in that: the shift fork axle sleeve (2), shift fork (16)
Be provided with radial through-hole on shift fork axle (1), fixed pin (5) passes through shift fork axle sleeve (2), in shift fork (16) and shift fork axle (1)
Radial through-hole realize three be fixedly connected.
10. automatic gear shift actuating mechanism according to claim 9, it is characterised in that: the position sensor (3) and shift fork
Axle sleeve (2) is achieved a fixed connection by screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204095.1A CN109944938A (en) | 2019-03-18 | 2019-03-18 | A kind of automatic gear shift actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204095.1A CN109944938A (en) | 2019-03-18 | 2019-03-18 | A kind of automatic gear shift actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109944938A true CN109944938A (en) | 2019-06-28 |
Family
ID=67008882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910204095.1A Pending CN109944938A (en) | 2019-03-18 | 2019-03-18 | A kind of automatic gear shift actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109944938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637223A (en) * | 2020-06-19 | 2020-09-08 | 苏州东风精冲工程有限公司 | Anti-disengaging structure for shifting fork bushing of gearbox |
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|---|---|---|---|---|
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| JP2004052826A (en) * | 2002-07-17 | 2004-02-19 | Hino Motors Ltd | Transmission device |
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| JP2012241891A (en) * | 2011-05-24 | 2012-12-10 | Jtekt Corp | Electric actuator and variable speed drive device |
| CN203939975U (en) * | 2014-05-28 | 2014-11-12 | 长城汽车股份有限公司 | A kind of shifting vehicle gearbox operating mechanism |
| CN204420084U (en) * | 2014-12-23 | 2015-06-24 | 于军 | A kind of motor direct-drive formula gear-shifting actuating 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 |
| KR20180000905A (en) * | 2016-06-24 | 2018-01-04 | 현대위아 주식회사 | Power take-off unit for 4 wheel driving vehicle |
| CN107642603A (en) * | 2016-07-21 | 2018-01-30 | 昆山德拉特兰传动科技有限公司 | Automatic transmission shift device |
| CN207621330U (en) * | 2017-09-28 | 2018-07-17 | 山东绿图动力科技股份有限公司 | A kind of ball screw type gearshift for electric vehicle |
| CN109357004A (en) * | 2018-11-14 | 2019-02-19 | 江苏易行车业有限公司 | A kind of electric vehicle automatic transmission gear shift device |
| CN209909141U (en) * | 2019-03-18 | 2020-01-07 | 西安法士特汽车传动有限公司 | Automatic gear shifting actuating mechanism |
-
2019
- 2019-03-18 CN CN201910204095.1A patent/CN109944938A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0481168A1 (en) * | 1990-07-21 | 1992-04-22 | INA Wälzlager Schaeffler KG | Speed changing device |
| JP2004052826A (en) * | 2002-07-17 | 2004-02-19 | Hino Motors Ltd | Transmission device |
| KR20090050135A (en) * | 2007-11-15 | 2009-05-20 | 현대자동차주식회사 | Shifting device for a transmission of a vehicle |
| JP2009052748A (en) * | 2008-11-06 | 2009-03-12 | Nsk Ltd | Motor-driven device for transmission |
| JP2012241891A (en) * | 2011-05-24 | 2012-12-10 | Jtekt Corp | Electric actuator and variable speed drive device |
| CN203939975U (en) * | 2014-05-28 | 2014-11-12 | 长城汽车股份有限公司 | A kind of shifting vehicle gearbox operating mechanism |
| CN204420084U (en) * | 2014-12-23 | 2015-06-24 | 于军 | A kind of motor direct-drive formula gear-shifting actuating 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 |
| KR20180000905A (en) * | 2016-06-24 | 2018-01-04 | 현대위아 주식회사 | Power take-off unit for 4 wheel driving vehicle |
| CN107642603A (en) * | 2016-07-21 | 2018-01-30 | 昆山德拉特兰传动科技有限公司 | Automatic transmission shift device |
| CN207621330U (en) * | 2017-09-28 | 2018-07-17 | 山东绿图动力科技股份有限公司 | A kind of ball screw type gearshift for electric vehicle |
| CN109357004A (en) * | 2018-11-14 | 2019-02-19 | 江苏易行车业有限公司 | A kind of electric vehicle automatic transmission gear shift device |
| CN209909141U (en) * | 2019-03-18 | 2020-01-07 | 西安法士特汽车传动有限公司 | Automatic gear shifting actuating mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637223A (en) * | 2020-06-19 | 2020-09-08 | 苏州东风精冲工程有限公司 | Anti-disengaging structure for shifting fork bushing of gearbox |
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