CN104791396B - Clutch pack and the method for manufacturing clutch pack - Google Patents
Clutch pack and the method for manufacturing clutch pack Download PDFInfo
- Publication number
- CN104791396B CN104791396B CN201410432178.3A CN201410432178A CN104791396B CN 104791396 B CN104791396 B CN 104791396B CN 201410432178 A CN201410432178 A CN 201410432178A CN 104791396 B CN104791396 B CN 104791396B
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- Prior art keywords
- clutch
- rotate
- thrust bearing
- wheelboss
- rotate element
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- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The present invention provides a kind of clutch pack (12) for motor vehicle drive train (10), the clutch pack (12) has housing (34), at least one clutch (20), first rotate element (38) and the second rotate element (30), first rotate element (38) is embodied as axle or wheelboss element and is supported to so that the first rotate element (38) can rotate relative to housing (34), second rotate element (30) includes the radial component (53) radially extended and is supported to so that the second rotate element (30) can rotate relative to housing (34), thrust bearing (52) is provided between first rotate element (38) and the radial component (53) of the second rotate element (30).Herein, thrust bearing (52) is centrally assembled relative to the first rotate element (38).
Description
Technical field
The present invention relates to a kind of clutch pack for motor vehicle drive train, the clutch pack have housing,
At least one clutch, the first rotate element and the second rotate element, the first rotate element be embodied as axle or wheelboss element and
It is supported to that first rotate element is rotated relative to housing, the second rotate element includes the radial part radially extended
Divide and be supported to that second rotate element is rotated relative to housing, the first rotate element and the second rotate element
Radial component between be provided with thrust bearing (axial bearing).
The invention further relates to a kind of method for manufacturing this clutch pack.
Background technology
This clutch pack in motor vehicle drive train is generally used for starting the driving of such as internal combustion engine etc
Machine is connected to the speed changer of such as multiple-speed gear-box (step-variable transmission) etc.It is included in clutch group
Clutch in part is for example for starting and/or for interrupting the kinetic current that gear (gear) is changed in the transmission.
In addition to known manual actuating, prior art also discloses the automatic actuating of this clutch, for this purpose, can be with
Use fluid actuator or electromechanical actuator.
Clutch may be embodied as dry friction clutch, but it is also possible to be embodied as wet friction clutch.
Known wet friction clutch for example passes through automatic transmission fluid (ATF) fluid-actuated.Therefore, it is also known that
The setting of rotating channel between housing axle journal and wheelboss element, for cooling down and/or activating the fluid of clutch via the rotation
Turn passage supply.
The axial force produced in the actuating of this friction clutch is generally supported by suitable thrust bearing.
Herein, this thrust bearing can be with the radial component of assembled in advance to the second rotate element.Therefore, in the radial part
Suitable recess can be provided with point, thrust bearing can be clipped to carry out pre-assembly in the recess, this be probably it is high into
This.
However, being used for manufacture of the requirement in recess and protuberance for manufacturing the second rotate element and/or thrust bearing herein
It is of a relatively high in terms of tolerance.Especially, this is intended to ensure after thrust bearing pre-assembly before last assembling not
It can separate again.
The content of the invention
For the background, it is an object of the invention to propose a kind of improved clutch pack and it is a kind of be used to manufacturing from
The improved method of clutch component, is particularly used for overcoming a shortcoming in disadvantages mentioned above.
The purpose is realized in the case of aforementioned clutch component, is thrust bearing relative to the first rotate element centering
Ground assembling, especially centered assembling are in the first rotate element.
Object defined above is also by for manufacturing clutch pack --- in particular according to the clutch of the type of the present invention
Component --- method realize that this method comprises the following steps：Housing is provided；By in the first rotation of axle or the form of wheelboss element
Turn element and be assembled to housing；Thrust bearing is assembled to axle or wheelboss element so that thrust bearing is relative to axle or wheelboss element
Centering and it is supported in the supporting surface radially extended of axle or wheelboss element；Second rotate element is assembled to housing, should
Second rotate element includes the radial component being supported on thrust bearing.
In the method according to the invention, it is related to and the first rotate element is assembled to housing and thrust bearing is assembled to
The order of the step of axle or wheelboss element can also be reversed, so that thrust bearing is assembled to the first rotate element and right first
The first rotate element is assembled to housing afterwards.
The particular advantage of the present invention is to provide sizable improve in terms of assembling.Especially, reduce and use
Carried in the possibility of production thrust bearing and/or the first rotate element of production and/or the tolerance for producing the second rotate element
The scope for sizable cost-saving effects is supplied.In addition, assembling process can be simplified and improve as overall.
The housing of clutch pack can be the single housing of clutch pack, but the housing of clutch pack can also
It is a part for the part, particularly case of transmission etc. of the housing of another part of transmission system.
Axle or wheelboss element refer preferably to a kind of part, and the longitudinal length of the part is bigger than external diameter.
Second rotate element is preferably what is extended radially outwardly from axle in the way of driving retainer or driven retainer
Metal sheet parts, and the second rotate element can for example be connected to the plate rack (plate carrier) of clutch.
Clutch pack can include clutch but can also be embodied as dual clutch pack.In this case, according to
The clutch of the clutch pack of the present invention is preferably the inside clutch in footpath or the output element of clutch and the first rotation member
Part axially adjacent clutch.
Therefore, the purpose is fully achieved.
Thrust bearing typically sliding bearing (plain bearing).
However, especially preferably thrust bearing is the rolling bearing with the first disc portion and the second disc portion, first
Be provided with multiple rolling elements between disc portion and the second disc portion, the first disc portion axially against in the first rotate element simultaneously
And with centralising device (centring device), the centralising device in axial direction extend and with the first rotate element
Annular surface is engaged.
Therefore, thrust bearing passes through the first disc portion centering.
Rolling element preferably can be rotatably supported on retainer, and the retainer is arranged on the first disc portion and second
Between disc portion.
It is also advantageous in that centralising device includes multiple axially extending lugs herein.
This lug is used for thrust bearing relative to the first rotate element with simple design measure centering.
Herein it is further advantageous that lug is integrally formed with the first disc portion.
This causes thrust bearing to be manufactured with high performance-price ratio.
The annular surface --- thrust bearing is thereon by centralising device pair --- of first rotate element can be wrapped
Include the outer surface of the first rotate element.
In alternative embodiment, the annular surface includes the inner peripheral surface of the first rotate element.
Peripheral surface can also be the peripheral surface of the axial valley on the end face of the first rotate element.
In addition, generally it is further advantageous that clutch includes input element and output element, the second rotate element is clutch
The output element of device.
Herein, produced between output element and axle or wheelboss element --- especially produced in the activating of clutch
It is raw --- axial force can easily be absorbed with --- preferably passing through fluid means ---.
In addition, generally it is further advantageous that the first rotate element be wheelboss element, the wheelboss element is supported to so that its
It can be rotated relative to housing axle journal, wheelboss element is rotationally locked to the input element of clutch.
Herein, wheelboss element rotates together with input element and is preferably also used for radial support clutch.
In addition, herein it may further be preferable that for clutch actuating piston by spin locking to wheelboss element.
In a word, according to another preferred embodiment, the first rotate element is wheelboss element, and the wheelboss element is supported to make
Obtaining it can be rotated relative to housing axle journal, and rotating channel is formed between wheelboss element and housing axle journal to be transferred to fluid
Clutch.
This allows to fluid being transferred to clutch to cool down and/or activate clutch.
In addition, generally it is further favourable that axial lock ring is assemblied in the first rotate element adjacent to thrust bearing, its
In, formd between thrust bearing and axial lock ring twisting locked.
It is twisting locked to particularly form between axial lock ring and centralising device.In addition, herein advantageously extremely
Few recess formation is on axial lock ring, the axial projection of thrust bearing --- especially with the integral landform of the first disc portion
Into axial projection --- be bonded in the recess.In particular it is preferred that axial projection is from multiple axial directions of centralising device
At least one lug in the lug of extension in axial direction extends towards axial lock ring and is bonded on axial lock ring
In recess.The recess for example can be radial recess or axial valley.
It is evident that in the case of without departing substantially from the scope of the present invention, features described above and the feature being described below
It can not only be used, and can be used with other combinations or in separated mode with specified particular combination.
Brief description of the drawings
The illustrative embodiments of the present invention are illustrated and are described in more detail in the following description in the accompanying drawings.
In accompanying drawing：
Fig. 1 shows the schematic vertical sectional view of an embodiment through the clutch pack according to the present invention；
Fig. 2 is the schematic vertical sectional view of the another clutch pack according to the present invention, and it illustrates thrust bearing
Retainer；
Fig. 3 shows the rolling element of the thrust bearing and thrust bearing in Fig. 2；
Fig. 4 shows the schematic vertical sectional view of the another clutch pack according to the present invention, illustrates thrust bearing
It is twisting locked between axial lock ring；And
Fig. 5 shows the twisting locked schematic perspective view in Fig. 4.
Embodiment
In Fig. 1, a part for the transmission system for motor vehicles is schematically shown in the form of longitudinal cross-section
And generally represent the part by 10.
Transmission system 10 includes clutch pack 12.The clutch pack 12 includes input element 14, the input element 14
It is embodied as driving retainer and is connected to input shaft 16.For example, input shaft 16 can be connected to the drive of such as internal combustion engine etc
Dynamic engine.
Clutch pack 12 includes first clutch 18 and second clutch 20.Clutch 18,20 is embodied as Wet-type multi-disc
Clutch and one are radially embedded into the inner side of another one.First clutch 18 is the outside clutch in footpath, second clutch 20
For the inside clutch in footpath.
Input element 14 is connected to the outer plate carrier 22 of first clutch 18.In the axial end portion opposite with input shaft 16
Place, input element 14 is additionally coupled to the interior plate rack 24 of second clutch 20.
First clutch 18 includes the first output element 26 for being embodied as driven retainer, and first output element 26 is set
Into adjacent with input element 14 in the axial direction.First output element 26 is connected to the first output shaft 28, first output shaft 28
The first gearbox unit of dual-clutch transmission can be such as connected to.
Second clutch 20 includes the second output element 30 for being equally embodied as driven retainer.Second output element 30
It is connected to the second output shaft 32.Second output shaft 32 could be arranged to the quill shaft coaxial with the first output shaft 28 and can be with
It is connected to the second gearbox unit of dual-clutch transmission.
First output element 26 is arranged between the output element 30 of input element 14 and second in the axial direction.These are protected
Frame is held to be preferably implemented as metal sheet parts and preferably manufacture with bending and/or similar machine-tooled method by punching press.
Clutch pack 12 also includes the housing 34 schematically shown.Housing 34 is connected to housing axle journal 36, the housing
Axle journal 36 is extended in clutch 18,20 from the axial end portion opposite with input shaft 16, so that housing axle journal 36 is arranged on clutch
The radially inner side of device 18,20.
Wheelboss element 38 is rotatably supported on housing axle journal 36.It is formed between wheelboss element 38 and housing axle journal 36
Rotating channel 40, fluid 41 --- hydraulic oil for being for example particularly ATF fluid --- can be transferred to via the rotating channel 40
Clutch 18,20.Self-evident, the suitable pipeline for cooling fluid at least to be transferred into clutch 18,20 is arranged on shell
In body axle journal 36, but as illustrated, pipeline is preferably provided for the hydraulic actuation of clutch 18,20.
Radial web (radial web) 42 is provided with the periphery of wheelboss element 38, the radial web 42 is relative to clutch
Device 18,20 is about centrally positioned in the axial direction.Radial web 42 is connected to input element 14, or is more properly connected to
Being located on the end opposite with input shaft 16 for the outer plate carrier 22 in first clutch 18 of input element is extended radially inwardly
Part.Therefore, radial web 42 is used to radially support clutch 18,20.
First clutch 18 includes interior plate rack 44, and the interior plate rack 44 is connected to the first output element 26.Second clutch
Device 20 includes outer plate carrier 46, and the outer plate carrier 46 is connected to the second output element 30.
First piston 48 is supported to so as to axially be shifted and for the first clutch on wheelboss element 38
The actuating of device 18.Second piston 50 is equally supported to so as to be axially movable on wheelboss element 38 and for the
The actuating of two clutches 20.Piston 48,50 is arranged in the axially opposed sides of radial web 42.The spring not further indicated that will
Piston 48,50 is in axial direction expressed in original position, in original position, clutch 18,20 " normal to disconnect ".This
Place, spring is directly or indirectly braced against radial web 42 in the axial direction.In order to limit the axial row of piston 48,50
Enter, piston 48,50 is provided with the supporting member not further indicated that, and the supporting member is axially tight relative to wheelboss element 38
Gu.
Second output element 30 includes radial component 53, the end face phase of the radial component 53 in the axial direction with wheelboss element 38
It is adjacent.Thrust bearing 52 is provided between the end face of radial component 53 and wheelboss element 38.
Thrust bearing 52 includes the centralising device 54 schematically shown, and thrust bearing 52 is relative by means of the centralising device 54
Centrally assembled in wheelboss element 38.Thrust bearing 52 can be used as pre-assembly process on wheelboss element 38 to middle installation
Part progress so that wheelboss element 38 and the thrust bearing 52 that is pre-installed on wheelboss element 38 are by clutch pack
12 are assembled together when being assembled together.Alternatively, thrust bearing 52 can be filled before the second output element 30 is assembled
It is assigned to wheelboss element 38.
This measure --- by the measure, thrust bearing is centrally assembled relative to wheelboss element 38 --- avoid phase
The need for centrally wheelboss element 38 being assembled for the second output element 30.Therefore, the second output element 30 can be in reduction system
Make manufacture in the case of tolerance.This is equally applicable to manufacture thrust bearing 52.
In figs. 2 and 3, the embodiment of this thrust bearing 52 is represented in schematic form.
Fig. 2 first illustrates a part for the supporting member 56 of the Axial mobility for limiting second piston 50, supporting
Component 56 is axially fastened to wheelboss element 38 by axial lock fastener 58.
Thrust bearing 52 includes the first disc portion 62, and first disc portion 62 is embodied as annual disk and axially against wheel
On the end face 63 of hub element 38.Thrust bearing 52 also includes the second disc portion 64, and second disc portion 64 leans against the second output member
On the radial component 53 of part 30.Thrust bearing 52 also includes retainer 66, and multiple rolling elements 68 are rotatably supported at
On the retainer 66.Rolling element 68, which is preferably supported to, allows it to surround the roller that rotation axis 70 rotates
Son, it radially runs.
First disc portion 62 includes endosternum 72, and the endosternum 72 radially-inwardly limits empty for the closing of rolling element 68
Between.Second disc portion 64 includes outer web 74, and the outer web 74 radially outward limits the closing space for rolling element 68.
First disc portion 62 includes being arranged to be distributed in multiple lugs 76 circumferentially, each figure in figs. 2 and 3
A lug in multiple lugs 76 is represented in cross-sectional form.Lug 76 in axial direction extends and is clipped in wheelboss element
On the annular surface of the form of 38 outer surface 78 so that thrust bearing 52 is centrally assembled relative to wheelboss element 38.
Fig. 2 shows that lug 76 can also be designed so that lug 76 ' is clipped in the inner circumferential in wheelboss element 38 by a dotted line
On the annular surface of the form on surface 80.Lug 76 and lug 76 ' can alternatively set or can simultaneously set.
Fig. 4 and Fig. 5 represent another embodiment of clutch pack 12 ", and clutch pack 12 " is former in its structure and work
It is generally corresponding with the clutch pack in Fig. 2 and Fig. 3 in terms of reason.Therefore, identical element is represented with identical reference.Under
Face will illustrate substantial difference.
In the case of clutch pack 12 " in figures 4 and 5, shape between thrust bearing 52 " and axial lock ring 58 "
It is for example twisting locked into having, the twisting locked supporting member 56 as the embodiment in Fig. 2 for clutch pack 12 "
Axial lock.
Twisting locked measure is related to forms at least one recess 84 on axial lock ring 58 ", and axial lock ring 58 " is inserted
Into the exterior circumferential groove of wheelboss element 38.Recess 84 is shown as radial recess but recess 84 can moreover be only axial valley.
Twisting locked measure is further related on the first disc portion 62 " --- or more accurately in the prominent of the first disc portion 62 "
On ear 76 " --- at least one axial projection 86 is set, and the protuberance in axial direction extends towards axial lock ring 58 "
And it is bonded in recess 84.
In other words, it is preferable that be centralising device 54 " and the form fit formula in circumferential direction of axial lock ring 58 "
(positively) interlocking engagement.
Claims (10)
1. one kind is used for the clutch pack (12) of motor vehicle drive train (10), the clutch pack (12) has housing
(34), at least one clutch (20), the first rotate element (38) and the second rotate element (30), first rotate element
(38) axle or wheelboss element are embodied as and is supported to so that first rotate element (38) can be relative to the housing
(34) rotate, second rotate element (30) includes the radial component (53) that radially extends and is supported to so that described the
Two rotate elements (30) can rotate relative to the housing (34), first rotate element (38) and the described second rotation member
Thrust bearing (52) is provided between the radial component (53) of part (30), it is characterised in that thrust bearing (52) phase
Centrally assembled for first rotate element (38), and the clutch (20) includes input element (14) and output member
Part (30), second rotate element is the output element (30) of the clutch (20).
2. clutch pack according to claim 1, it is characterised in that the thrust bearing (52) is with the first plate-like
Portion (62) and the rolling bearing of the second disc portion (64), between first disc portion (62) and second disc portion (64)
Be provided with multiple rolling elements (68), first disc portion (62) axially against on first rotate element (38) and
With centralising device (54), the centralising device (54) in axial direction extend and with the ring of first rotate element (38)
Engage on shape surface (78,80).
3. clutch pack according to claim 2, it is characterised in that the centralising device (54) is prolonged including multiple axial directions
The lug (76,76 ') stretched.
4. clutch pack according to claim 3, it is characterised in that the lug (76,76 ') and first plate-like
Portion (62) is integrally formed.
5. the clutch pack according to any one of claim 2 to 4, it is characterised in that the annular surface includes
The outer surface (78) of first rotate element (38).
6. the clutch pack according to any one of claim 2 to 4, it is characterised in that the annular surface includes
The inner peripheral surface (80) of first rotate element (38).
7. the clutch pack according to any one of Claims 1-4, it is characterised in that first rotate element
For wheelboss element (38), the wheelboss element (38) is supported to so as to relative to housing axle journal (36) rotation, described
Wheelboss element (38) is by the input element (14) of spin locking to the clutch (20).
8. clutch pack according to claim 7, it is characterised in that the wheelboss element (38) and the housing axle journal
(36) rotating channel (40) for fluid (41) to be transferred to the clutch (20) is formed between.
9. the clutch pack according to any one of Claims 1-4, it is characterised in that axial lock ring (58) is adjacent
The nearly thrust bearing (52) is assemblied in first rotate element (38), wherein, the thrust bearing (52) and the axial direction
Formd between locking ring (58) twisting locked (84,86).
10. one kind be used for manufacture clutch pack (12), in particular according to any one of claim 1 to 9 from
The method of clutch component (12), methods described comprises the following steps：
- housing (34) is provided；
- the first rotate element (38) in axle or the form of wheelboss element is assembled to the housing (34)；
- thrust bearing (52) is assembled to the axle or wheelboss element (38), make the thrust bearing (52) relative to the axle
Or wheelboss element (38) centering and lean against in the supporting surface (63) radially extended of the axle or wheelboss element (38)；
- the second rotate element (30) is assembled to the housing (34), second rotate element (34) includes radial component
(53), the radial component (53) is leaned against on the thrust bearing (52), wherein, clutch (20) include input element (14) and
Output element (30), second rotate element is the output element (30) of the clutch (20).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202013011739.7U DE202013011739U1 (en) | 2012-10-19 | 2013-08-29 | Dual clutch arrangement for a dual-clutch transmission |
| DE202013011739.7 | 2013-08-29 | ||
| DE102014102516.4 | 2014-02-26 | ||
| DE102014102516.4A DE102014102516A1 (en) | 2013-08-29 | 2014-02-26 | Coupling arrangement and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104791396A CN104791396A (en) | 2015-07-22 |
| CN104791396B true CN104791396B (en) | 2017-08-15 |
Family
ID=53556454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432178.3A Active CN104791396B (en) | 2013-08-29 | 2014-08-28 | Clutch pack and the method for manufacturing clutch pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791396B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020002367A1 (en) * | 2018-06-27 | 2020-01-02 | Valeo Embrayages | Assembled disc holder and wet clutch mechanism comprising this assembled disc holder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016211888B4 (en) * | 2016-06-30 | 2021-12-23 | Schaeffler Technologies AG & Co. KG | Double coupling |
| DE102017109323A1 (en) * | 2017-05-02 | 2018-11-08 | Schaeffler Technologies AG & Co. KG | coupling device |
| FR3085731B1 (en) * | 2018-09-06 | 2023-04-21 | Valeo Embrayages | DOUBLE CLUTCH MECHANISM |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008040172A1 (en) * | 2008-07-04 | 2010-01-07 | Zf Friedrichshafen Ag | Multiple clutch device i.e. dual clutch device, for torque transmission in drive train of e.g. lorry, between drive arrangement and transmission arrangement, has outer disk carriers connected to outlet elements, respectively |
| CN102099592A (en) * | 2008-07-14 | 2011-06-15 | 舍弗勒技术两合公司 | Dual clutch |
| DE102012221958A1 (en) * | 2011-12-15 | 2013-06-20 | Schaeffler Technologies AG & Co. KG | Dual clutch i.e. axial wet dual clutch, for use in dual clutch transmission of drive train of vehicle, has supply units simultaneously supplying cooling oil to two gearbox-side and driving end-side arranged single clutches, respectively |
-
2014
- 2014-08-28 CN CN201410432178.3A patent/CN104791396B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008040172A1 (en) * | 2008-07-04 | 2010-01-07 | Zf Friedrichshafen Ag | Multiple clutch device i.e. dual clutch device, for torque transmission in drive train of e.g. lorry, between drive arrangement and transmission arrangement, has outer disk carriers connected to outlet elements, respectively |
| CN102099592A (en) * | 2008-07-14 | 2011-06-15 | 舍弗勒技术两合公司 | Dual clutch |
| DE102012221958A1 (en) * | 2011-12-15 | 2013-06-20 | Schaeffler Technologies AG & Co. KG | Dual clutch i.e. axial wet dual clutch, for use in dual clutch transmission of drive train of vehicle, has supply units simultaneously supplying cooling oil to two gearbox-side and driving end-side arranged single clutches, respectively |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020002367A1 (en) * | 2018-06-27 | 2020-01-02 | Valeo Embrayages | Assembled disc holder and wet clutch mechanism comprising this assembled disc holder |
| FR3083278A1 (en) * | 2018-06-27 | 2020-01-03 | Valeo Embrayages | ASSEMBLED DISC HOLDER AND WET CLUTCH MECHANISM INCLUDING THIS ASSEMBLED DISC HOLDER |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104791396A (en) | 2015-07-22 |
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