CN107575571A - Speed changer and automatic shifting performer - Google Patents
Speed changer and automatic shifting performer Download PDFInfo
- Publication number
- CN107575571A CN107575571A CN201610523494.0A CN201610523494A CN107575571A CN 107575571 A CN107575571 A CN 107575571A CN 201610523494 A CN201610523494 A CN 201610523494A CN 107575571 A CN107575571 A CN 107575571A
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- China
- Prior art keywords
- ring
- drive ring
- output section
- performer
- automatic shifting
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Abstract
A kind of speed changer and automatic shifting performer, wherein automatic shifting performer include：Synchronizer and driver element, synchronizer include clutch collar；Clutch collar includes：The body ring and drive ring being coaxially disposed, drive ring are enclosed on outside body ring, and drive ring and body ring is rotatably connections and synchronous connect with axial motion；Driver element has the output section being enclosed on outside drive ring, and driver element is used for the rotary motion rotated by output section output around the axis of drive ring；It is screw rod transmission between drive ring and output section, screw rod transmission is used for：By the axial movement that the convert rotational motion of output section is drive ring and body ring.The machinery driving efficiency of the automatic shifting performer of the technical program is high and dynamic response time is short.
Description
Technical field
The present invention relates to transmission technology field, more particularly to a kind of speed changer and automatic shifting performer.
Background technology
A kind of existing automatic shifting performer includes：Synchronizer, selector fork and driver element.Synchronizer includes：Engagement
Set, the engagement gear ring on gear to be joined and the synchronous ring axially distributed with engagement gear ring.Selector fork, which is enclosed on, to be connect
Outside trap, driver element is used for axially driving selector fork, selector fork is stirred clutch collar axial movement.In released state,
Synchronous ring is located at outside clutch collar, and with engaging gear ring axial separation.
Automobile ECU (Electronic Control Unit, abbreviation ECU) judges according to signals such as accelerator open degree and speeds
When needing gearshift, control driver element action.Driver element drives selector fork to the direction of synchronous ring, and selector fork, which is stirred, to be connect
Trap axially moves towards synchronous ring, and synchronous ring and engagement gear ring sequentially enter in clutch collar and reach synchronous, engage afterwards
Gear ring and synchronous ring keep engaging with clutch collar.Afterwards, if automobile ECU judges to need to switch to other gears, control driving
Unit counteragent, selector fork is stirred clutch collar counter motion to synchronous ring and engagement gear ring and come out out of clutch collar, synchronous
Ring separates with engagement gear ring.
Driver element controls synchronous ring to engage and separate with clutch collar by driving selector fork translation.But shift gears
There is axial gap, selector fork will first overcome this axial gap, be turned in contact between shift fork and the both ends flange of clutch collar
Clutch collar axial movement is just stirred behind side.This axial gap causes mechanically operated efficiency to decline.Moreover, this axial gap
Extend the dynamic response time that clutch collar action is sent control signals to from ECU.
The content of the invention
The present invention solves the problems, such as it is that the machinery driving efficiency of existing automatic shifting performer is low and dynamic response time prolongs
It is long.
To solve the above problems, the present invention provides a kind of automatic shifting performer, the automatic shifting performer includes synchronous
Device and driver element, synchronizer include clutch collar；The clutch collar includes：The body ring and drive ring being coaxially disposed, the drive
Moving ring sleeve outside the body ring, the drive ring and the body ring for rotatably connection and it is synchronous with axial motion
Connection；The driver element has the output section being enclosed on outside the drive ring, and the driver element is used to pass through the output section
Export the rotary motion rotated around the axis of the drive ring；It is screw rod transmission between the drive ring and the output section,
The screw rod transmission is used for：By the axial movement that the convert rotational motion of the output section is the drive ring and body ring.
Alternatively, rotatably connected by bearing between the body ring and the drive ring.
Alternatively, outer ring and body ring inner ring as the bearing of the drive ring as the bearing,
Some rolling elements are provided between drive ring and the body ring.
Alternatively, the bearing includes inner ring and outer ring and the rolling element between the inner ring and outer ring；In described
Snare is fixedly installed outside the body ring and with the body ring；The outer ring be enclosed on the inner ring it is outer and with the drive ring
Fixed setting.
Alternatively, the drive ring and the output section are ball leading screw driving or screw nut driving.
Alternatively, the driver element is brshless DC motor, including rotor and the stator that is enclosed on outside rotor, the rotor
As the output section.
Alternatively, the automatic shifting performer also includes：Displacement transducer, institute's displacement sensors are described for detecting
The displacement of the rotary motion of output section.
Alternatively, institute's displacement sensors are the Hall disc located at the output section.
The present invention also provides a kind of speed changer, and the speed changer includes any of the above-described described automatic shifting performer.
Compared with prior art, technical scheme has advantages below：
Output section is enclosed on outside clutch collar and forms screw rod transmission with drive ring.Screw rod transmission can eliminate drive ring and output
Axial gap between portion, axial float will not occur between drive ring and output section easily.So, the rotary motion of output section
The linear motion of drive ring can be immediately converts into, reduces the loss in output section to power train process between drive ring,
Elevating mechanism transmission efficiency.
Furthermore due to eliminating axial gap, it can shorten from gearshift control signal and be issued to drive ring linear motion
Dynamic response time.Moreover, the corner by controlling output section, can accurately control the axial movement displacement of drive ring, reach
To the purpose accurately controlled.
On the other hand, the technical program has given up selector fork, and drive ring and body ring are integrated in output section, driving
Clutch collar is integrated with unit.The integrated level of all parts is high in automatic shifting performer, and this causes automatic shifting performer
Structure is compacter.
Brief description of the drawings
Fig. 1 is the profile of the automatic shifting performer of the specific embodiment of the invention, and the section of the profile is by synchronous
Device axis, Fig. 1 illustrate only the first half of profile.
Embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Speed changer includes automatic shifting performer.Reference picture 1, automatic shifting performer includes：Synchronizer 1 and driver element
2, synchronizer 1 includes clutch collar 3.Clutch collar 3 includes：The body ring 4 and drive ring 5 being coaxially disposed, drive ring 5 are enclosed on body ring
Outside 4, drive ring 5 and body ring 4 is rotatably connections and synchronous connect with axial motion.Driver element 2, which has, to be enclosed on
Output section 6 outside drive ring 5, driver element 2 are used to export the rotation rotated around the axis of drive ring 5 fortune by output section 6
It is dynamic；It is screw rod transmission between drive ring 5 and output section 6, the screw rod transmission is used for：Convert rotational motion by output section 6 is
The axial movement of drive ring 5 and body ring 4.
Synchronizer 1 also includes：Engagement gear ring 7 on gear to be joined and axially distributed with engaging gear ring 7
Synchronous ring 8.Synchronizer 1 is the device of gear synchronous for making to be bonded with each other in gearshift.The general principle of synchronizer 1, it is by same
Step ring 8 the conical surface rubbed between two gears, make it is fast slow down, slow quickening, after reaching synchronization, can just make clutch collar
3 engagements.
Due to being screw rod transmission between drive ring 5 and output section 6, drive ring 5 is circumferentially fixedly installed, therefore, output section 6
When rotating, drive ring 5 can be driven to be axially moved.Body ring 4 rotate when, drive ring 5 will not concomitant rotation, drive ring 5
Circumferential interference will not occur between body ring 4.
Automobile ECU obtains the signal such as accelerator open degree and speed, and when judgement needs to put into gear, control driver element 2 acts.Output
Portion 6 starts rotary motion, and rotary motion (is transported to the left through screw mandrel transmission, conversion for the axial movement of drive ring 5 towards synchronous ring 8
It is dynamic).Because drive ring 5 and body ring 4 connect to be synchronous with axial motion, drive ring 5 can drive body ring 4 towards synchronous ring 8
It is synchronized with the movement, sequentially enters in body ring 4 to synchronous ring 8 and engagement gear ring 7 and engaged with body ring 4, realize gear shift operation.
When automobile ECU judges to need to switch to other gears, the counteragent of driver element 2 can be controlled.Output section 6 is reverse
Rotation, then drive ring 5 and the counter motion of body ring 4 (moving right), divide to synchronous ring 8 and engagement gear ring 7 with body ring 4
From, and out of body ring 4 out.
Screw rod transmission can eliminate the axial gap between drive ring 5 and output section 6, light between drive ring 5 and output section 6
Axial float will not easily occur.So, the rotary motion of output section 6 can be immediately converts into the linear motion of drive ring 5, reduce
Output section 6 lifts the machinery driving efficiency of automatic shifting performer to loss in power train process between drive ring 5.
Furthermore due to eliminating axial gap, it can shorten from automobile ECU and send control signals to the straight line of drive ring 5 fortune
Dynamic dynamic response time.Moreover, the corner by controlling output section 6, the axial movement position of drive ring 5 can be accurately controlled
Move, reach the purpose accurately controlled.
On the other hand, the technical program has given up selector fork, and drive ring 5 and body ring 4 are integrated in output section 6,
Clutch collar 3 is integrated with driver element 2.The integrated level of all parts is high in automatic shifting performer, and this causes self shifter to hold
The structure of row device is compacter.
There is effective transmission to coordinate between driver element 2 and clutch collar 3.In the application, first by clutch collar 3 and can drive
Moving cell 2 is assembled together, and driver element 2 and synchronous ring 8 are respectively charged into speed changer afterwards, to cause clutch collar 3 and synchronization
Ring 8 forms engagement and separation coordinates.
Rotatably connected by bearing 9 between body ring 4 and drive ring 5.Using bearing 9, body ring 4 is at a high speed
Drive ring 5 will not be formed and interfered during rotation, and can enough drives body ring 4 to be synchronized with the movement when drive ring 5 axially moves.
Bearing 9 includes inner ring 91 and outer ring 92 and the rolling element 90 between inner ring 91 and outer ring 92；Inner ring 91 is enclosed on
Body ring 4 is outer and is fixedly installed with body ring 4；Outer ring 92 is enclosed on outside inner ring 91 and is fixedly installed with drive ring 5.Inner ring 91 can be with
With the synchronous axial system of body ring 4, rolling element 90 rolls between inner ring 91 and outer ring 92.It is circumferential between outer ring 92 and drive ring 5
Fixed setting, therefore, the rolling of rolling element 90 will not make outer ring 92 and drive ring 5 rotate.Therefore, drive ring 5 and
Driver element 2 will not interfere with the high speed rotation of body ring 4, and the high speed rotation of body ring 4 also will not interfere with drive ring 5 and drive
The normal work of moving cell 2.
Inner ring 91 can be fixedly installed by the mode such as being interference fitted or welding with body ring 4.Outer ring 92 can pass through
Be full of cooperation or welding etc. mode, be fixedly installed with drive ring 5.
Wherein, bearing 9 is thrust bearing.When being axially moved in outer ring 92 with drive ring 5 is synchronous, bearing 9 can bear compared with
Larger axial force.Rolling element 90 can be steel ball.
As an improvement it can also be：Directly by the use of drive ring as the outer ring of bearing and body ring is as bearing
Inner ring, some rolling elements are provided between drive ring and body ring.
Drive ring 5 and output section 6 can be ball leading screw driving.Wherein, the outer peripheral face of drive ring 5 and output section 6
Inner peripheral surface is machined with arc helicla flute respectively, and spiral rolling track is just formed when they are nested together, and ball 10 is filled in raceway.
When output section 6 rotates, ball 10 is made in rolling process along rolling path rolling by rolling friction with drive ring 5
It is axially moved.
In ball leading screw driving, the frictional force of rolling friction is relatively small, and some balls 10 make rolling movement, can obtain
To higher sport efficiency.On the other hand, due to the effect of ball 10, system rigidity is improved, next drive can be eliminated through pre-
Axial gap between rotating ring 5 and output section 6.
As a kind of variation, drive ring and output section are screw nut driving, are screw thread between drive ring and output section
Coordinate, output section drives drive ring to be axially moved by sliding friction.
Driver element 2 can be brshless DC motor, including rotor and the stator 11 that is enclosed on outside rotor, described in rotor is used as
Output section 6.So, whole clutch collar 3 is integrated in brshless DC motor.Automobile ECU can control brshless DC motor be powered/
Power-off carrys out on/off driver element 2, and further controls the checker of the brshless DC motor coil sense of current, with
Switch the direction that output section 6 exports rotary motion.
In assembling, first clutch collar 3 can be assembled in brshless DC motor, then the brshless DC motor is loaded and become
In fast device.This can lift the utilization rate of assembly space, and be obviously improved the efficiency of assembling of speed changer.
As an improvement driver element can be brushed DC motor.Compared to brushed DC motor, brushless dc
Machine is electronic commutation, dependable performance, forever without abrasion and fault rate it is low, service life length.
Driver element 2 also includes：Displacement transducer 12, displacement transducer 12 are used for the swing offset for detecting output section 6.It is defeated
The axial movement displacement of drive ring 5 can be converted into by going out the swing offset in portion 6, using displacement transducer 12, can accurately be controlled
The swing offset of output section 6, and then the accurate axial movement displacement for controlling drive ring 5, realize the essence of synchronizer engagement and separation
Really control.
For example, displacement transducer 12 can be located at output section 6, and Hall sensor can be selected.Outside driver element 2
Provided with magnet, magnet produces magnetic field.When rotated, the distance of displacement transducer 12 and magnet changes for output section 6, and displacement passes
The magnetic field intensity that sensor 12 is perceived changes, and then measures and obtain the swing offset of output section 6.As an improvement
Magnet can be provided with output section, displacement transducer is externally provided with output section.
In the technical program, displacement transducer 12 is the Hall disc located at output section 6.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (9)
1. a kind of automatic shifting performer, including synchronizer and driver element, synchronizer includes clutch collar；
Characterized in that, the clutch collar includes：The body ring and drive ring being coaxially disposed, the drive ring are enclosed on the body
Outside ring, the drive ring and the body ring is rotatably connections and synchronous connect with axial motion；
The driver element has the output section being enclosed on outside the drive ring, and the driver element is used for defeated by the output section
Go out the rotary motion around the rotation of the axis of the drive ring；
It is screw rod transmission between the drive ring and the output section, the screw rod transmission is used for：By the rotation of the output section
Conversion of motion is the axial movement of the drive ring and body ring.
2. automatic shifting performer as claimed in claim 1, it is characterised in that lead between the body ring and the drive ring
Bearing is crossed rotatably to connect.
3. automatic shifting performer as claimed in claim 2, it is characterised in that outer ring of the drive ring as the bearing
And inner ring of the body ring as the bearing, some rolling elements are provided between the drive ring and body ring.
4. automatic shifting performer as claimed in claim 2, it is characterised in that the bearing includes inner ring and outer ring and is located at
Rolling element between the inner ring and outer ring；The inner ring is enclosed on outside the body ring and is fixedly installed with the body ring；Institute
Outer ring is stated to be enclosed on outside the inner ring and be fixedly installed with the drive ring.
5. automatic shifting performer as claimed in claim 1, it is characterised in that the drive ring and the output section are ball
Screw rod transmission or screw nut driving.
6. automatic shifting performer as claimed in claim 1, it is characterised in that the driver element is brshless DC motor,
Including rotor and the stator being enclosed on outside rotor, the rotor is as the output section.
7. automatic shifting performer as claimed in claim 1, it is characterised in that also include：Displacement transducer,
Institute's displacement sensors are used for the displacement for detecting the rotary motion of the output section.
8. automatic shifting performer as claimed in claim 7, it is characterised in that institute's displacement sensors are located at the output
The Hall disc in portion.
9. a kind of speed changer, it is characterised in that including the automatic shifting performer described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523494.0A CN107575571A (en) | 2016-07-05 | 2016-07-05 | Speed changer and automatic shifting performer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523494.0A CN107575571A (en) | 2016-07-05 | 2016-07-05 | Speed changer and automatic shifting performer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575571A true CN107575571A (en) | 2018-01-12 |
Family
ID=61048868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610523494.0A Pending CN107575571A (en) | 2016-07-05 | 2016-07-05 | Speed changer and automatic shifting performer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971494A (en) * | 2018-04-13 | 2020-11-20 | 克诺尔商用车制动系统有限公司 | Shift actuator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2515114A (en) * | 1945-09-07 | 1950-07-11 | Wright Aeronautical Corp | Multiple individual screw shift clutch rings |
| DE892115C (en) * | 1936-11-04 | 1953-10-05 | Harold Sinclair | Speed change transmissions, especially for motor vehicles |
| US4966267A (en) * | 1989-09-21 | 1990-10-30 | Borg-Warner Automotive Diversified Transmission Products Corporation | Ball screw actuated clutch combination |
| JP2002349652A (en) * | 2001-05-31 | 2002-12-04 | Ntn Corp | Belt system of continuously variable transmission |
| DE102007046382A1 (en) * | 2007-09-27 | 2009-04-09 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Rotation-translation converter, actuator assembly and clutch assembly |
| CN101410659A (en) * | 2006-03-27 | 2009-04-15 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Actuator arrangement and shift clutch arrangement |
| CN103298674A (en) * | 2011-01-07 | 2013-09-11 | Ntn株式会社 | Vehicle motor drive device and automobile |
| DE102014215413A1 (en) * | 2014-08-05 | 2016-02-11 | Schaeffler Technologies AG & Co. KG | Synchronous carrier body assembly with freewheel unit and storage |
-
2016
- 2016-07-05 CN CN201610523494.0A patent/CN107575571A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE892115C (en) * | 1936-11-04 | 1953-10-05 | Harold Sinclair | Speed change transmissions, especially for motor vehicles |
| US2515114A (en) * | 1945-09-07 | 1950-07-11 | Wright Aeronautical Corp | Multiple individual screw shift clutch rings |
| US4966267A (en) * | 1989-09-21 | 1990-10-30 | Borg-Warner Automotive Diversified Transmission Products Corporation | Ball screw actuated clutch combination |
| JP2002349652A (en) * | 2001-05-31 | 2002-12-04 | Ntn Corp | Belt system of continuously variable transmission |
| CN101410659A (en) * | 2006-03-27 | 2009-04-15 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Actuator arrangement and shift clutch arrangement |
| DE102007046382A1 (en) * | 2007-09-27 | 2009-04-09 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Rotation-translation converter, actuator assembly and clutch assembly |
| CN103298674A (en) * | 2011-01-07 | 2013-09-11 | Ntn株式会社 | Vehicle motor drive device and automobile |
| DE102014215413A1 (en) * | 2014-08-05 | 2016-02-11 | Schaeffler Technologies AG & Co. KG | Synchronous carrier body assembly with freewheel unit and storage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971494A (en) * | 2018-04-13 | 2020-11-20 | 克诺尔商用车制动系统有限公司 | Shift actuator |
| US11378183B2 (en) | 2018-04-13 | 2022-07-05 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Gearshift actuator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |
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| RJ01 | Rejection of invention patent application after publication |