CN104265874B - Gear shifting control device of electronic control actuator - Google Patents
Gear shifting control device of electronic control actuator Download PDFInfo
- Publication number
- CN104265874B CN104265874B CN201410521812.0A CN201410521812A CN104265874B CN 104265874 B CN104265874 B CN 104265874B CN 201410521812 A CN201410521812 A CN 201410521812A CN 104265874 B CN104265874 B CN 104265874B
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- Prior art keywords
- buffer
- stroke section
- shift
- shift fork
- rotating hub
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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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
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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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
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/124—Limiting the input power, torque or speed
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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
- F16H2306/00—Shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention relates to a gear shifting control device of an electronic control actuator and belongs to electronic control actuators. The gear shifting control device comprises an actuator casing and a declutch shift shaft arranged in the actuator casing. A first screw and a second screw protruding on the declutch shift shaft and distributed at intervals are fixed on the declutch shift shaft, and high and low gear shifting fork and differential locking shifting forks are sleeved on the declutch shift shaft. The screws on the shaft move in track grooves of the forks to push the forks to enter the target shift, the switching sequence of all the shifts is determined through the design of the track grooves on the forks, and therefore damage of a motor and a control mechanism caused by blockable motor rotation due to the forks cannot be pushed to the shift when gear shifting is hindered.
Description
Technical field
The present invention relates to automatically controlled transfer gear is and in particular to a kind of automatically controlled transfer gear shifting operating device.
Background technology
With the development of automobile market, people are more and more universal for the driving demand of cross-country road conditions, how shaft-driven vapour
Car gets more and more.Because how shaft-driven automobile relies on transfer gear that the power that variator exports is assigned to each drive axle, and
Manual transfer case needs driver's manual switching gear position of transfer case under complicated cross-country road conditions, takes into account other operation systems of vehicle simultaneously
System.So on the one hand high requirement is proposed to driving technology, on the other hand because the switching between gear position of transfer case has sternly
The sequencing of lattice, easily maloperation in manual shift.
Content of the invention
The purpose of the present invention is aiming at the defect of prior art, provides a kind of automatically controlled transfer gear shifting operating device.
The technical solution used in the present invention is: includes transfer gear housing and the shift fork axle being arranged in transfer case without limitation body, institute
State shift fork shaft end and stretch out the external part of transfer case without limitation and be connected with buffer assembly outfan, described buffer assembly input
It is connected with motor reducer assembly outfan, described motor reducer assembly input and motor connection, solid in described shift fork axle
Surely have and protrude from shift fork axle and the first spaced screw and the second screw, described shift fork axle is cased with high and low shift selector fork
With differential locking selector fork；Described high and low shift selector fork is provided with the high and low shift gearshift movable sleeving being enclosed within shift fork axle, institute
State and have the first track groove on high and low shift gearshift movable sleeving, described first screw is in the first track groove, and described high and low shift changes
Gear shift fork bottom is connected with high and low shift sliding gear collar；Described differential locking selector fork is provided with the differential lock being enclosed within shift fork axle
Only gearshift movable sleeving, described differential locking gearshift movable sleeving has the second track groove, described second screw is in the second track
In groove, described differential locking selector fork bottom is connected with differential lock sliding stop tooth set；Described high and low shift sliding gear collar and differential
Locking sliding gear collar difference slip cap is in transfer gear drive shaft.
Further preferred structure, described first track groove is arranged on high and low shift gearshift movable sleeving in the shape of a spiral.
Further preferred structure, described first track groove includes interconnective zero axial stroke starting from initiating terminal
Section and axial stroke section.
Further preferred structure, described second track groove is arranged on differential locking gearshift movable sleeving in the shape of a spiral.
Further preferred structure, described second track groove includes the first positive row starting from initiating terminal being sequentially connected
Journey section, the first reverse stroke section and the second forward stroke section, described first forward stroke section, the first reverse stroke section are with second just
The axial displacement shifted gears on movable sleeving in differential locking to trip segment is equal.
Further preferred structure, described zero axle is corresponding with the first forward stroke section to trip segment, described axial stroke section
A part corresponding with the first reverse stroke section, another part of described axial stroke section is corresponding with the second forward stroke section.
Further preferred structure, described buffer assembly includes buffer housing, be provided with described buffer case body with
The buffer output rotating hub of the circumferentially fixed connection of shift fork axle, described buffer output rotating hub and buffer input rotating hub pass through jump ring
Axial restraint, is circumferentially provided with some draw-in grooves, circumferentially sets in described buffer input rotating hub in described buffer output rotating hub
There is the pusher dog of some insertion draw-in grooves, in described buffer output rotating hub, have, between some draw-in grooves, the spring connecting with draw-in groove
Mounting groove, is placed with spring in described spring mounting groove, the two ends of described spring are connected with fingers contact respectively.
Further preferred structure, described motor reducer assembly includes motor reducer housing, is arranged on decelerating through motor
Motor reducer output shaft in device housing, described motor reducer output shaft one end inputs rotating hub axial restraint with buffer,
The described motor reducer output shaft other end and motor connection, described motor reducer output shaft end and angle position encoder
Connect.
The screw that the present invention passes through on axle moves in the track groove of shift fork, promotes shift fork to enter target gear, each shelves
The transfer sequence of position designs to determine by track groove on shift fork, it is to avoid when gearshift meets with obstruction, shift fork pushes away to enter gear
And motor gambling turns, cause the damage of motor and operating mechanism；The present invention designs between motor reducer outfan and shift fork axle
Buffer, it is to avoid motor reducer outfan and shift fork axle are rigidly connected, and when gearshift meets obstructions, the output of motor turns
The elastic potential energy that square is converted into spring stores in a buffer, drives shift fork axle to rotate when resistance reduces, thus promote dialling
Fork gearshift, improves the service life of shifting operating device.When present invention, avoiding driver's manual shift, not according to transfer gear
The maloperation that gearshift sequencing leads to, and greatly simplify the operation that driver switches gear position of transfer case in complex road surface, can
Realize fast accurate gear shift operation.
Brief description
Fig. 1 is present configuration sectional view；
Fig. 2 is high speed of the present invention non-locking shelves view；
Fig. 3 is high speed locking shelves view of the present invention；
Fig. 4 is neutral state schematic diagram of the present invention；
Fig. 5 is low-gearing regime schematic diagram of the present invention；
Fig. 6 is the present invention first track groove and the second track groove schematic diagram；
Fig. 7 is buffer output rotating hub of the present invention and buffer input rotating hub attachment structure schematic diagram；
Fig. 8 is buffer output rotating hub of the present invention and buffer input rotating hub attachment structure schematic diagram.
In figure, 1- transfer gear housing, 2- first screw, 3- high and low shift selector fork, 4- shift fork axle, the gearshift of 5- differential locking
Shift fork, 6- second screw, 7- buffer assembly, 8- buffer housing, 9- motor, 10- motor reducer assembly, 11- motor subtract
Fast device housing, 12- angle position encoder, 13- motor reducer output shaft, 14- buffer input rotating hub, 15- jump ring, 16-
Spring, 17- buffer output rotating hub, 18- transfer gear drive shaft, 19- differential lock sliding stop tooth set, 20- high and low shift sliding gear collar.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, is easy to be well understood to this
Bright, but they do not constitute restriction to the present invention.
As shown in Fig. 1 Fig. 5, the present invention includes transfer gear housing 1 and the shift fork axle 4 being arranged in transfer gear housing 1, institute
State the part stretching out outside transfer gear housing 1 in shift fork axle 4 end to be connected with buffer assembly 7 outfan, described buffer assembly 7 is defeated
Enter end to be connected with motor reducer assembly 10 outfan, described motor reducer assembly 10 input is connected with motor 9, described group
It is fixed with fork shaft 4 and protrudes from shift fork axle 4 and the first spaced screw 2 and the second screw 6, described shift fork axle 4 is cased with
High and low shift selector fork 3 and differential locking selector fork 5；Described high and low shift selector fork 3 is provided with the height being enclosed within shift fork axle 4
Low-grade gearshift movable sleeving 3.1, described high and low shift gearshift movable sleeving 3.1 has the first track groove 3.2, at described first screw 2
In the first track groove 3.2, described high and low shift selector fork 3 bottom is connected with high and low shift sliding gear collar 20；Described differential locking
Selector fork 5 is provided with the differential locking gearshift movable sleeving 5.1 being enclosed within shift fork axle 4, described differential locking gearshift movable sleeving 5.1
On have the second track groove 5.2, described second screw 6 is in the second track groove 5.2, described differential locking selector fork 5 bottom
Portion is connected with differential lock sliding stop tooth set 19；Described high and low shift sliding gear collar 20 and differential lock sliding stop tooth set 19 slip cap respectively
In transfer gear drive shaft 18.
As shown in fig. 6, described first track groove 3.2 is arranged on high and low shift shifts gears movable sleeving 3.1 in the shape of a spiral.Described
One track groove 3.2 includes the interconnective zero axle starting from initiating terminal to trip segment ab and axial stroke section bd.Described second
Track groove 5.2 is arranged on differential locking shifts gears movable sleeving 5.1 in the shape of a spiral.Described second track groove 5.2 includes being sequentially connected
The first forward stroke section ef, the first reverse stroke section fg and the second forward stroke section gh that start from initiating terminal, described first
The axle that forward stroke section ef, the first reverse stroke section fg and the second forward stroke section gh are shifted gears on movable sleeving 5.1 in differential locking
Equal to displacement.Described zero axle is corresponding with the first forward stroke section ef to trip segment ab, a part of bc of described axial stroke section
Corresponding with the first reverse stroke section fg, another part cd of described axial stroke section is corresponding with the second forward stroke section gh.
As shown in Figure 7, Figure 8, described buffer assembly 7 includes buffer housing 8, be provided with described buffer housing 8 with
The buffer output rotating hub 17 of the circumferentially fixed connection of shift fork axle 4, described buffer output rotating hub 17 and buffer input rotating hub 14
By jump ring 15 axial restraint, circumferentially it is provided with some draw-in grooves 17.1 in described buffer output rotating hub 17, described buffer is defeated
Enter the pusher dog 14.1 being circumferentially provided with some insertion draw-in grooves 17.1 in rotating hub 14, some draw-in grooves in described buffer output rotating hub 17
Have the spring mounting groove 17.2 connecting with draw-in groove 17.1 between 17.1, in described spring mounting groove 17.2, be placed with spring
16, the two ends of described spring 16 contact connection with pusher dog 14.1 respectively.
As shown in figure 1, described motor reducer assembly 10 includes motor reducer housing 11, is arranged on motor reducer shell
Motor reducer output shaft 13 in body 11, described motor reducer output shaft 13 one end is axially solid with buffer input rotating hub 14
Fixed, described motor reducer output shaft 13 other end is connected with motor 9, described motor reducer output shaft 13 end and angle position
Put encoder 12 to connect, in the present invention, the motor shaft axle at motor 9 center is worm screw, and the motor reducer matching with motor 9 is defeated
Shaft 13 is worm gear, i.e. the respective outer side edges of worm gear and worm screw.
As shown in Figure 2 and Figure 3, so that transfer gear changes to high speed locking shelves (hl) by non-locking shelves (h) of high speed as a example introduce below
The gearshift operation principle of the present invention: shift fork position shown in Fig. 2 is high speed non-locking gear, transfer gear control unit first
(tcu) gather shift switch signal, judge driver intention, and gather the Vehicular status signals such as speed, current gear.If vehicle
State meets transfer gear gearshift condition, then transfer gear control unit (tcu) motor rotation, drives shift fork with motor for power
Axle rotates, and completes to shift gears, when transfer gear control unit (tcu) gathers shift switch signal, judges driver intention, and judge car
State meets after non-locking shelves (h) of high speed changes to the condition of high speed locking shelves (hl), and controlled motor 9 rotates and drives shift fork axle
4 turn clockwise α °.Because the part between 0 ° to α ° for first track groove of high and low shift selector fork 3 does not have axial displacement it is
Zero axle is to displaced segments ab, therefore when shift fork axle 4 drives the first screw 2 to turn clockwise, high and low shift selector fork 3 keeps in situ not
Dynamic, that is, keep high gear.And part between 0 ° to α ° for the second track groove of differential locking selector fork 5 is constantly to the left
End extends, that is, at e to f, therefore when shift fork axle 4 drives the second screw 6 to turn clockwise, differential locking selector fork 5
Can be promoted to the right by the second screw 6, that is, enter locking gear.In sum, drive shift fork axle 4 up time when controlled motor 9 rotates
After pin rotation alpha °, transfer gear changes to high speed locking gear (hl) by non-locking shelves (h) of high speed, such as wants to change to h shelves by hl shelves, only needs
Controlled motor 9 drives shift fork axle 4 rotate counterclockwise α °.
By that analogy, when controlled motor 9 rotates and drives shift fork axle 4 to continue rotation, the first screw 2 and the second screw 6 lead to
Crossing track groove promotes high and low shift selector fork 3 and differential locking selector fork 5 to change to respective objects gear neutral gear in order, that is,
As shown in figure 4, finally changing to low gear, that is, as shown in Figure 5.
High and low shift selector fork 3 empty set of the present invention is in shift fork axle 4, and can promote high and low shift sliding gear collar 20 in transfer gear
Horizontally slip in drive shaft 18, complete the switching at a high speed with two gears of low speed.Differential locking selector fork 5 empty set is in shift fork axle
On 4, and differential lock sliding stop tooth set 19 can be promoted to horizontally slip in transfer gear drive shaft 18, complete differential locking and non-locking
The switching of two gears.Angle position encoder 12 is fixed on motor reducer housing 11, and motor reducer housing 11 is fixing
In buffer housing 8, buffer housing 8 is fixed on transfer gear housing 1.The power of motor 9 output passes through motor reducer
Output shaft 13 passes to buffer input rotating hub 14, then passes to shift fork axle 4 by buffer output rotating hub 17, and motor reducer is defeated
The outfan of shaft 13 and buffer input rotating hub end face 14 and are fixedly connected, can synchronous rotary, its anglec of rotation passes through angle position
Put encoder 12 and feed back to transfer gear control unit (tcu).Shift fork axle 4 and the buffer output circumferentially fixed connection of rotating hub 17, can
Synchronous rotary, ask buffer input rotating hub 14 and motor reducer output shaft 13 can synchronous rotary.Buffer exports rotating hub 17 He
Buffer input rotating hub 14 passes through jump ring 15 axial restraint, and buffer input rotating hub 14 exports rotating hub 17 with buffer can relative rotation
Turn, spring 16 is arranged between buffer input rotating hub 14 and buffer output rotating hub 17, when motor 9 is defeated by motor reducer
When shaft 13 drives buffer input rotating hub 14 rotation, buffer inputs pusher dog 14.1 compression spring 16 first of rotating hub 14, and
Spring 16 promotes buffer output rotating hub 17 to rotate afterwards, thus driving shift fork axle 4 to rotate, such buffer assembly 7 just serves
Protection shifting operating device, extends the effect of its service life.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (3)
1. a kind of automatically controlled transfer gear shifting operating device, including transfer gear housing and the shift fork axle being arranged in transfer case without limitation body,
Described shift fork shaft end is stretched out the external part of transfer case without limitation and is connected with buffer assembly outfan, buffer assembly input with
Motor reducer assembly outfan connects, motor reducer assembly input and motor connection it is characterised in that: described shift fork axle
On be fixed with and protrude from shift fork axle and the first spaced screw and the second screw, described shift fork axle is cased with high and low shift gearshift
Shift fork and differential locking selector fork；Described high and low shift selector fork is provided with the high and low shift gearshift being enclosed within shift fork axle and moves
Set, described high and low shift gearshift movable sleeving has the first track groove, described first screw is in the first track groove, described height
Shelves selector fork bottom is connected with high and low shift sliding gear collar；Described differential locking selector fork is provided with the difference being enclosed within shift fork axle
Fast locking gearshift movable sleeving, described differential locking gearshift movable sleeving has the second track groove, described second screw is in second
In track groove, described differential locking selector fork bottom is connected with differential lock sliding stop tooth set；Described high and low shift sliding gear collar with
Differential lock sliding stop tooth set difference slip cap is in transfer gear drive shaft；Described first track groove is on high and low shift gearshift movable sleeving
Arrange in the shape of a spiral；Described first track groove includes the interconnective zero axle starting from initiating terminal to trip segment and axial stroke
Section；Described second track groove is arranged on differential locking gearshift movable sleeving in the shape of a spiral；Described second track groove includes connecting successively
The the first forward stroke section, the first reverse stroke section and the second forward stroke section that start from initiating terminal connecing, described first is positive
The axial displacement that trip segment, the first reverse stroke section are shifted gears on movable sleeving in differential locking with the second forward stroke section is equal；Institute
State that zero axle is corresponding with the first forward stroke section to trip segment, a part for described axial stroke section is right with the first reverse stroke section
Should, another part of described axial stroke section is corresponding with the second forward stroke section.
2. automatically controlled transfer gear shifting operating device according to claim 1 it is characterised in that: described buffer assembly includes
Buffer housing, is provided with the buffer output rotating hub with the circumferentially fixed connection of shift fork axle, described buffering in described buffer case body
Device output rotating hub and buffer input rotating hub pass through jump ring axial restraint, are circumferentially provided with some in described buffer output rotating hub
Draw-in groove, described buffer inputs the pusher dog being circumferentially provided with some insertion draw-in grooves in rotating hub, if in described buffer output rotating hub
Have the spring mounting groove connecting with draw-in groove between dry draw-in groove, in described spring mounting groove, be placed with spring, described spring
Two ends be connected with fingers contact respectively.
3. automatically controlled transfer gear shifting operating device according to claim 1 it is characterised in that: described motor reducer assembly
Including motor reducer housing, the motor reducer output shaft that is arranged in motor reducer housing, described motor reducer is defeated
Shaft one end inputs rotating hub axial restraint, the described motor reducer output shaft other end and motor connection, described electricity with buffer
Machine reducer output shaft end is connected with angle position encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521812.0A CN104265874B (en) | 2014-09-30 | 2014-09-30 | Gear shifting control device of electronic control actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410521812.0A CN104265874B (en) | 2014-09-30 | 2014-09-30 | Gear shifting control device of electronic control actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265874A CN104265874A (en) | 2015-01-07 |
| CN104265874B true CN104265874B (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410521812.0A Active CN104265874B (en) | 2014-09-30 | 2014-09-30 | Gear shifting control device of electronic control actuator |
Country Status (1)
| Country | Link |
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| CN (1) | CN104265874B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013648A (en) * | 2016-01-28 | 2017-08-04 | 长城汽车股份有限公司 | Vehicle transfer |
| CN107654640A (en) * | 2017-10-31 | 2018-02-02 | 江苏悍特森动力科技有限公司 | Gearshift component and gearbox designs |
| CN110857732A (en) * | 2018-08-23 | 2020-03-03 | 舍弗勒技术股份两合公司 | Shifting device and transmission |
| JP7489887B2 (en) * | 2020-10-05 | 2024-05-24 | 株式会社クボタ | Gear Transmission |
| CN113108052B (en) * | 2021-04-06 | 2022-11-15 | 蜂巢传动科技河北有限公司 | Actuator of transfer case |
| CN114439935B (en) * | 2022-01-11 | 2023-05-30 | 凯博易控车辆科技(苏州)股份有限公司 | Gear-shifting mechanism capable of jumping and control method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19530616C2 (en) * | 1995-08-21 | 1998-10-22 | Daimler Benz Ag | Switching device for gear change transmission |
| WO2005073602A1 (en) * | 2004-01-29 | 2005-08-11 | Magna Drivetrain Ag & Co Kg | Gearbox comprising a displaceable shift fork and an actuator |
| CN201443587U (en) * | 2008-12-10 | 2010-04-28 | 富奥汽车零部件股份有限公司 | Gear selecting and shifting actuator of automatic speed changer |
| CN102287527A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Transmission shift mechanism |
| KR101339895B1 (en) * | 2012-05-29 | 2013-12-10 | (주) 솔텍 | Shift apparatus of dual clutch transmission mechanism |
| CN103423430A (en) * | 2013-08-28 | 2013-12-04 | 长城汽车股份有限公司 | Manual shifting mechanism and transmission |
-
2014
- 2014-09-30 CN CN201410521812.0A patent/CN104265874B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104265874A (en) | 2015-01-07 |
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