CN104791396A - Clutch assembly and method for manufacturing same - Google Patents
Clutch assembly and method for manufacturing same Download PDFInfo
- Publication number
- CN104791396A CN104791396A CN201410432178.3A CN201410432178A CN104791396A CN 104791396 A CN104791396 A CN 104791396A CN 201410432178 A CN201410432178 A CN 201410432178A CN 104791396 A CN104791396 A CN 104791396A
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- China
- Prior art keywords
- rotatable member
- clutch
- thrust bearing
- clutch pack
- housing
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- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention provides a clutch assembly (12) for a motor vehicle transmission system (10). The clutch assembly (12) is provided with a shell (34), at least one clutch (20), a first rotary element (38) and a second rotary element (30). The first rotary element (38) is implemented as a shaft or a hub element and is supported so that the first rotary element (38) can rotate relative to the shell (34). The second rotary element (30) comprises a radial part (53) extending in the radial direction and is supported so that the second rotary element (30) can rotate relative to the shell (34). A thrust bearing (52) is disposed between the first rotary element (38) and the radial part (53) of the second rotary element (30). Herein, the thrust bearing (52) is assembled in a centering manner relative to the first rotary element (38).
Description
Technical field
The present invention relates to a kind of clutch pack for motor vehicle drive train, this clutch pack has housing, at least one clutch, first rotatable member and the second rotatable member, first rotatable member is embodied as axle or wheelboss element and is supported to this first rotatable member can be rotated relative to housing, second rotatable member comprises the radial component of radial extension and is supported to this second rotatable member can be rotated relative to housing, thrust bearing (axial bearing) is provided with between the radial component of the first rotatable member and the second rotatable member.
The invention still further relates to a kind of method for the manufacture of this clutch pack.
Background technique
This clutch pack in motor vehicle drive train is generally used for the speed changer driving motor of such as internal-combustion engine and so on being connected to such as multiple-speed gear-box (step-variable transmission) and so on.Be included in clutch in clutch pack such as start and/or for interrupting gear (gear) reformed kinetic current in the transmission.
Except known manual activation, prior art also discloses the self actuating of this clutch, for this purpose, can use fluid actuator or electromechanical actuator.
Clutch may be embodied as dry friction clutch, but also can be embodied as wet friction clutch especially.
The fluid-actuated such as passing through automatic transmission fluid (ATF) of known wet friction clutch.For this reason, the setting of the rotating channel also between known housing axle journal and wheelboss element, for cool and/or the fluid of actuated clutches is supplied via this rotating channel.
The axial force produced in the actuating of this friction clutch is supported by suitable thrust bearing usually.
Herein, this thrust bearing can the radial component of assembled in advance to the second rotatable member.For this reason, can be provided with suitable recess in this radial component, thrust bearing can clip to assemble in advance in this recess, and this may be high cost.
But the requirement herein for the manufacture of the second rotatable member and/or thrust bearing is relatively high in the manufacturing tolerances etc. of recess and protuberance.Especially, this is intended to guarantee can not again be separated before last assembling after thrust bearing is assembled in advance.
Summary of the invention
For this background, the object of the invention is to propose a kind of clutch pack of improvement and a kind of method of the improvement for the manufacture of clutch pack, especially for overcoming a shortcoming in above-mentioned shortcoming.
This object realizes when aforementioned clutch assembly, be that thrust bearing centrally assembles relative to the first rotatable member, especially centered assembling on the first rotatable member.
Aforementioned object is also realized by the method---being the clutch pack according to type of the present invention especially---for the manufacture of clutch pack, and the method comprises the following steps: to provide housing; First rotatable member of the form being axle or wheelboss element is assembled to housing; Thrust bearing is assembled to axle or wheelboss element, makes thrust bearing relative to axle or wheelboss element centering and be bearing on the bearing surface of radial direction extension of axle or wheelboss element; Second rotatable member is assembled to housing, and this second rotatable member comprises the radial component be bearing on thrust bearing.
In the method according to the invention, the order relating to the step the first rotatable member being assembled to housing and thrust bearing being assembled to axle or wheelboss element also can be reversed, and is first assembled to the first rotatable member and then the first rotatable member is assembled to housing to make thrust bearing.
A special advantage of the present invention is in assembling, provide sizable improvement.Especially, reduce to provide scope for sizable cost-saving effects for the production of thrust bearing and/or the possibility of tolerance of producing the first rotatable member and/or producing the second rotatable member.In addition, assembling process can be simplified and improve as a whole.
The housing of clutch pack can be the independent housing of clutch pack, but the housing of clutch pack also can be a part for a part, particularly case of transmission etc. for the housing of another parts of transmission system.
Axle or wheelboss element preferably refer to a kind of parts, and the longitudinal length of these parts is larger than external diameter.
Second rotatable member is preferably the metal sheet parts extended radially outwardly to drive the mode of retainer or driven retainer from axle, and the second rotatable member such as can be connected to the plate rack (plate carrier) of clutch.
Clutch pack can comprise clutch but also may be embodied as dual clutch pack.In this case, the output element of radial internal clutch or the clutch clutch axially adjacent with the first rotatable member is preferably according to the clutch of clutch pack of the present invention.
Therefore, this object is fully achieved.
Thrust bearing can be sliding bearing (plain bearing) usually.
But, especially preferred be thrust bearing is the rolling bearing with the first plate-like portion and the second plate-like portion, multiple rolling element is provided with between first plate-like portion and the second plate-like portion, first plate-like portion axially to lean against on the first rotatable member and has centralising device (centring device), and this centralising device in axial direction extends and engages with the annular surface of the first rotatable member.
Therefore, thrust bearing is by the first plate-like portion centering.
Rolling element can preferably be bearing on retainer rotatably, and this retainer is arranged between the first plate-like portion and the second plate-like portion.
Centralising device comprises multiple axially extended lug also advantageously herein.
This lug be used for by thrust bearing relative to the first rotatable member with simple design measure centering.
Herein also advantageously, lug and the first plate-like portion form.
This makes thrust bearing with high performance-price ratio manufacture.
First rotatable member annular surface---thrust bearing thereon by centralising device centering---outer surface of the first rotatable member can be comprised.
In substituting mode of execution, this annular surface comprises the inner peripheral surface of the first rotatable member.
Peripheral surface can also be the peripheral surface of the axial valley on the end face of the first rotatable member.
In addition, generally also advantageously, clutch comprises input element and output element, and the second rotatable member is the output element of clutch.
Herein, produce between output element and axle or wheelboss element---especially produce between the period of energization of clutch---axial force can easily absorb---preferably by fluid means---.
In addition, generally also advantageously, the first rotatable member is wheelboss element, and this wheelboss element is supported to it can be rotated relative to housing axle journal, and wheelboss element is locked to the input element of clutch rotatably.
Herein, wheelboss element rotates and preferably also for radial support clutch together with input element.
In addition, herein further preferably, for the piston of the actuating of clutch by rotational lock to wheelboss element.
In a word, according to another preferred implementation, the first rotatable member is wheelboss element, and this wheelboss element is supported to it can be rotated relative to housing axle journal, is formed with rotating channel so that fluid is passed to clutch between wheelboss element and housing axle journal.
This makes it possible to fluid is passed to clutch with cooling and/or actuated clutches.
In addition, generally further advantageously, the contiguous thrust bearing of axial lock fixed ring is assemblied in the first rotatable member, wherein, defines twisting locked between thrust bearing and axial lock fixed ring.
Twisting lockedly can be formed in especially between axial lock fixed ring and centralising device.In addition, advantageously at least one recess is formed in axial lock fixed ring herein, the axial protuberance of thrust bearing, and---the axial protuberance especially formed with the first plate-like portion---is bonded in this recess.Especially preferred, axial protuberance in axial direction extends towards axial lock fixed ring from least one lug the multiple axially extended lug of centralising device and is bonded in the recess of axial lock fixed ring.This recess can be such as radial recess or axial valley.
Be apparent that, when not deviating from scope of the present invention, above-mentioned feature and the feature that will illustrate below not only can use with the particular combination of specifying, and with other combinations or can use in the mode of separating.
Accompanying drawing explanation
Illustrative embodiments of the present invention is illustrated in the accompanying drawings and is described in more detail in the following description.In the accompanying drawings:
Fig. 1 shows the schematic longitudinal sectional view of the mode of execution run through according to clutch pack of the present invention;
Fig. 2 is the schematic longitudinal sectional view according to another clutch pack of the present invention, it illustrates the retainer of thrust bearing;
Fig. 3 shows the rolling element of thrust bearing in Fig. 2 and thrust bearing;
Fig. 4 shows the schematic longitudinal sectional view according to another clutch pack of the present invention, and what illustrate between thrust bearing and axial lock fixed ring is twisting locked; And
Fig. 5 shows the twisting locked schematic perspective view in Fig. 4.
Embodiment
In FIG, schematically show the part for the transmission system of motor vehicle with the form of longitudinal cross-section and represent this part by 10 generally.
Transmission system 10 comprises clutch pack 12.This clutch pack 12 comprises input element 14, and this input element 14 is embodied as and drives retainer and be connected to input shaft 16.Such as, input shaft 16 can be connected to the driving motor of such as internal-combustion engine and so on.
Clutch pack 12 comprises first clutch 18 and second clutch 20.Clutch 18,20 is embodied as multi-disc wet clutch and one radially embeds the inner side of another one.First clutch 18 is the outside clutch in footpath, and second clutch 20 is radial internal clutch.
Input element 14 is connected to the outer plate carrier 22 of first clutch 18.At the axial end portion place contrary with input shaft 16, input element 14 is also connected to the interior plate rack 24 of second clutch 20.
First clutch 20 comprises the first output element 26 being embodied as driven retainer, and this first output element 26 is arranged in axially adjacent with input element 14.First output element 26 is connected to the first output shaft 28, and this first output shaft 28 such as can be connected to the first gearbox unit of dual-clutch transmission.
Second clutch 20 comprises the second output element 30 being embodied as driven retainer equally.This second output element 30 is connected to the second output shaft 32.This second output shaft 32 can be set to the quill shaft coaxial with the first output shaft 28 and can be connected to the second gearbox unit of dual-clutch transmission.
First output element 26 is arranged between input element 14 and the second output element 30 in the axial direction.These retainers are preferably embodied as metal sheet parts and preferably by punching press and bending and/or similar machine-tooled method manufacture.
Clutch pack 12 also comprises the housing 34 schematically shown.Housing 34 is connected to housing axle journal 36, and this housing axle journal 36 extends to clutch 18,20 from the axial end portion contrary with input shaft 16, with the radially inner side making housing axle journal 36 be arranged on clutch 18,20.
Wheelboss element 38 is bearing on housing axle journal 36 rotatably.The hydraulic oil of ATF fluid---such as particularly---can be passed to clutch 18,20 via this rotating channel 40 to be formed with rotating channel 40 between wheelboss element 38 and housing axle journal 36, fluid 41.Self-evident, for being passed to the suitable install pipeline of clutch 18,20 to major general's cooling fluid in housing axle journal 36, but as shown in the figure, pipeline also preferably arranges the hydraulic actuating being used for clutch 18,20.
The periphery of wheelboss element 38 is provided with radial web (radial web) 42, this radial web 42 is approximately centrally located in the axial direction relative to clutch 18,20.Radial web 42 is connected to input element 14, or be more properly connected to input element the outer plate carrier 22 at first clutch 18 be positioned at the part that the end contrary with input shaft 16 extends radially inwardly.Therefore, radial web 42 is for radially supporting clutch 18,20.
First clutch 18 comprises interior plate rack 44, and this interior plate rack 44 is connected to the first output element 26.Second clutch 20 comprises outer plate carrier 46, and this outer plate carrier 46 is connected to the second output element 30.
First piston 48 is supported to make it can axially displacement and for the actuating of first clutch 18 on wheelboss element 38.Second piston 50 is supported to make it can axially motion and for the actuating of second clutch 20 on wheelboss element 38 equally.Piston 48,50 is arranged on the axial opposite side of radial web 42.Piston 48,50 is in axial direction expressed in initial position by the spring do not represented further, and in initial position, clutch 18,20 all " normally disconnects ".Herein, spring is directly or indirectly twelve Earthly Branches all in the axial direction and supports to arrive in by radial web 42.In order to the axis of limited piston 48,50 is advanced, piston 48,50 is provided with the support member do not represented further, and this support member is axially fastening relative to wheelboss element 38.
Second output element 30 comprises radial component 53, and this radial component 53 is adjacent with the end face of wheelboss element 38 in the axial direction.Thrust bearing 52 is provided with between the end face of radial component 53 and wheelboss element 38.
Thrust bearing 52 comprises the centralising device 54 schematically shown, thrust bearing 52 centrally assembles relative to wheelboss element 38 by means of this centralising device 54.The centering of thrust bearing 52 on wheelboss element 38 is installed and can be carried out as a part for assembling process in advance, and wheelboss element 38 and the thrust bearing 52 be pre-installed on wheelboss element 38 are assembled together when being assembled together by clutch pack 12.Alternatively, thrust bearing 52 can be assembled to wheelboss element 38 before the second output element 30 is assembled.
This measure---by this measure, thrust bearing centrally assembles relative to wheelboss element 38---avoid the needs centrally assembling wheelboss element 38 relative to the second output element 30.Therefore, the second output element 30 can manufacture in reduction manufacturing tolerances requirement situation.This is equally applicable to manufacture thrust bearing 52.
In figs. 2 and 3, the mode of execution of this thrust bearing 52 represents in schematic form.
Fig. 2 first illustrates a part for the support member 56 of the Axial mobility for limiting the second piston 50, and support member 56 is axially fastened to wheelboss element 38 by axial lock fastener 58.
Thrust bearing 52 comprises the first plate-like portion 62, and this first plate-like portion 62 is embodied as annual disk and axially leans against on the end face 63 of wheelboss element 38.Thrust bearing 52 also comprises the second plate-like portion 64, and this second plate-like portion 64 leans against on the radial component 53 of the second output element 30.Thrust bearing 52 also comprises retainer 66, and multiple rolling element 68 is bearing on this retainer 66 rotatably.Rolling element 68 is preferably the roller being all supported to and it can be rotated around spin axis 70, and it radially runs.
First plate-like portion 62 comprises endosternum 72, and this endosternum 72 is radially-inwardly defined for the enclosed space of rolling element 68.Second plate-like portion 64 comprises outer web 74, and this outer web 74 radially outward is defined for the enclosed space of rolling element 68.
First plate-like portion 62 comprises the multiple lugs 76 being arranged to be distributed in circumferentially, represents a lug in multiple lug 76 in each figure in figs. 2 and 3 in cross-sectional form.Lug 76 in axial direction extends and is clipped on the annular surface of the form of the outer surface 78 of in wheelboss element 38, and thrust bearing 52 is centrally assembled relative to wheelboss element 38.
Fig. 2 shows lug 76 by a dotted line can also be designed so that lug 76 ' is clipped on the annular surface of the form of the inner peripheral surface 80 of in wheelboss element 38.Lug 76 and lug 76 ' alternatively can arrange or can side by side arrange.
Fig. 4 and Fig. 5 represents clutch pack 12 " another mode of execution, clutch pack 12 " usually corresponding with the clutch pack in Fig. 2 and Fig. 3 in its structure and working principle.Therefore, identical element represents with identical reference character.Substantial difference will be described below.
Clutch pack 12 in figures 4 and 5 " when; thrust bearing 52 " and axial lock fixed ring 58 " between be formed such as twisting locked, this is twisting locked the same as with the mode of execution in Fig. 2 clutch pack 12 " the axis of support member 56 lock.
Twisting locked measure relates in axial lock fixed ring 58 " upper at least one recess 84 of formation, axial lock fixed ring 58 " be inserted in the exterior circumferential groove of wheelboss element 38.Recess 84 is depicted as radial recess but recess 84 can moreover be only axial valley.
Twisting locked measure also relates in the first plate-like portion 62 " upper---or more accurately in the first plate-like portion 62 " lug 76 " upper---arrange at least one axial protuberance 86, described protuberance is in axial direction towards axial lock fixed ring 58 " extend and be bonded in recess 84.
In other words, preferably centralising device 54 " with axial lock fixed ring 58 " in circumferential direction form fit formula (positively) interlock and engage.
Claims (11)
1. the clutch pack for motor vehicle drive train (10) (12), described clutch pack (12) has housing (34), at least one clutch (20), first rotatable member (38) and the second rotatable member (30), described first rotatable member (38) is embodied as axle or wheelboss element and is supported to described first rotatable member (38) can be rotated relative to described housing (34), described second rotatable member (30) comprises the radial component (53) of radial extension and is supported to described second rotatable member (30) can be rotated relative to described housing (34), thrust bearing (52) is provided with between described first rotatable member (38) and the described radial component (53) of described second rotatable member (30), it is characterized in that, described thrust bearing (52) centrally assembles relative to described first rotatable member (38).
2. clutch pack according to claim 1, it is characterized in that, described thrust bearing (52) is for having the rolling bearing in the first plate-like portion (62) and the second plate-like portion (64), multiple rolling element (68) is provided with between described first plate-like portion (62) and described second plate-like portion (64), described first plate-like portion (62) axially leans against described first rotatable member (38) and goes up and have centralising device (54), described centralising device (54) in axial direction extend and with the annular surface (78 of described first rotatable member (38), 80) engage.
3. clutch pack according to claim 2, is characterized in that, described centralising device (54) comprises multiple axially extended lug (76,76 ').
4. clutch pack according to claim 3, is characterized in that, described lug (76,76 ') and described first plate-like portion (62) form.
5. the clutch pack according to any one in claim 2 to 4, is characterized in that, described annular surface comprises the outer surface (78) of described first rotatable member (38).
6. the clutch pack according to any one in claim 2 to 4, is characterized in that, described annular surface comprises the inner peripheral surface (80) of described first rotatable member (38).
7. the clutch pack according to any one in claim 1 to 6, it is characterized in that, described clutch (20) comprises input element (14) and output element (30), and described second rotatable member is the described output element (30) of described clutch (20).
8. the clutch pack according to any one in claim 1 to 7, it is characterized in that, described first rotatable member is wheelboss element (38), described wheelboss element (38) is supported to it can be rotated relative to housing axle journal (36), described wheelboss element (38) by rotational lock to the input element (14) of described clutch (20).
9. the clutch pack according to any one in claim 1 to 8, it is characterized in that, between described wheelboss element (38) and described housing axle journal (36), being formed with the rotating channel (40) for fluid (41) being passed to described clutch (20).
10. the clutch pack according to any one in claim 1 to 9, it is characterized in that, the contiguous described thrust bearing (52) of axial lock fixed ring (58) is assemblied in described first rotatable member (38), wherein, define between described thrust bearing (52) and described axial lock fixed ring (58) twisting locked (84,86).
11. 1 kinds for the manufacture of clutch pack (12), be the method for the clutch pack (12) according to any one in claim 1 to 10 especially, described method comprises the following steps:
-housing (34) is provided;
-first rotatable member (38) of the form being axle or wheelboss element is assembled to described housing (34);
-thrust bearing (52) is assembled to described axle or wheelboss element (38), make described thrust bearing (52) relative to described axle or wheelboss element (38) centering and lean against on the bearing surface (63) of radial direction extension of described axle or wheelboss element (38);
-the second rotatable member (30) is assembled to described housing (34), described second rotatable member (34) comprises radial component (53), and described radial component (53) leans against on described thrust bearing (52).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202013011739.7 | 2013-08-29 | ||
| DE202013011739.7U DE202013011739U1 (en) | 2012-10-19 | 2013-08-29 | Dual clutch arrangement for a dual-clutch transmission |
| 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 true CN104791396A (en) | 2015-07-22 |
| CN104791396B 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559345A (en) * | 2016-06-30 | 2018-01-09 | 舍弗勒技术股份两合公司 | Double clutch |
| CN110573758A (en) * | 2017-05-02 | 2019-12-13 | 舍弗勒技术股份两合公司 | clutch device |
| CN112639321A (en) * | 2018-09-06 | 2021-04-09 | 法雷奥离合器公司 | Double clutch mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3083278B1 (en) * | 2018-06-27 | 2020-11-20 | Valeo Embrayages | ASSEMBLED DISC CARRIER AND WET CLUTCH MECHANISM INCLUDING THIS ASSEMBLED DISC CARRIER |
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| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559345A (en) * | 2016-06-30 | 2018-01-09 | 舍弗勒技术股份两合公司 | Double clutch |
| CN110573758A (en) * | 2017-05-02 | 2019-12-13 | 舍弗勒技术股份两合公司 | clutch device |
| CN110573758B (en) * | 2017-05-02 | 2021-07-13 | 舍弗勒技术股份两合公司 | Clutch device |
| CN112639321A (en) * | 2018-09-06 | 2021-04-09 | 法雷奥离合器公司 | Double clutch mechanism |
| CN112639321B (en) * | 2018-09-06 | 2024-02-13 | 法雷奥离合器公司 | Dual clutch mechanism |
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| CN104791396B (en) | 2017-08-15 |
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