CN103836091B

CN103836091B - Double arrangement of clutch and method for installing double arrangement of clutch

Info

Publication number: CN103836091B
Application number: CN201310537836.0A
Authority: CN
Inventors: F·J·麦兹多夫
Original assignee: BorgWarner Inc
Current assignee: BorgWarner Inc
Priority date: 2012-11-20
Filing date: 2013-11-04
Publication date: 2019-01-29
Anticipated expiration: 2033-11-04
Also published as: CN103836091A; DE102013012815A1

Abstract

Double arrangement of clutch (2) that the present invention relates to a kind of for being arranged in the power train of motor vehicles between driving unit (4) and speed changer (6), double arrangement of clutch, which have, to be associated with a first clutch arrangement (42) of first transmission input shaft (34) and is associated with a second clutch arrangement (44) of second transmission input shaft (36), first clutch is used for selectively carrying out torque transmitting between the driving unit (4) and first transmission input shaft (34), second clutch is used for selectively carrying out torque transmitting between the driving unit (4) and second transmission input shaft (36), it is provided with a clutch supporting wheel hub (56), the clutch supporting wheel hub is by least one first wheel part (84) and second wheel hub Partially (86) are combined into.The invention further relates to a kind of methods for installing such double arrangement of clutch (2).

Description

Double arrangement of clutch and method for installing double arrangement of clutch

Technical field

The present invention relates to a kind of double arrangement of clutch, motor-driven between a driving unit and a speed changer for being arranged in In one power train of vehicle, which has first clutch peace for being associated with first transmission input shaft A second clutch arrangement of second transmission input shaft is arranged and is associated with, which is used in the driving Torque transmitting is selectively carried out between unit and first transmission input shaft, which is used in the driving list Torque transmitting is selectively carried out between member and second transmission input shaft.It is double for installing one that the invention further relates to one kind The method of arrangement of clutch.

Background technique

From become known for being arranged in practice in the power train of motor vehicles between driving unit and speed changer it is double from It attaches together and sets.These known double arrangement of clutch have be associated with a first clutch arrangement of first transmission input shaft with And it is associated with a second clutch arrangement of second transmission input shaft, which is used in the driving unit Selectively carry out torque transmitting between first transmission input shaft, second clutch be used for the driving unit with Torque transmitting is selectively carried out between second transmission input shaft.In order to which double arrangement of clutch are supported on this radially On the upper or fixed shell of one of a little transmission input shafts, these known double arrangement of clutch have a clutch support Wheel hub, the clutch supporting wheel hub are at least designed as the casting or/and turning part of single-piece, wherein the clutch supporting wheel hub and one Clutch input hub is in rotation synchronized links, which can indirectly or directly be connected in the driving unit At one driven shaft.

These known arrangement of clutch have been proved to be useful, however are still to be worth improved, because of its manufacture, group Dress and installation are more difficult.

Summary of the invention

Therefore, it is an object of the present invention to provide a kind of double arrangement of clutch with clutch supporting wheel hub, composition portions It point on the one hand can simply manufacture and on the other hand it assembles or install and is simplified.In addition, general object of the present invention is also It is, provides the method that one kind simply executes and be used to that such double arrangement of clutch to be installed.

This purpose is realized and be the feature by providing in following technical proposals: one kind is for being arranged in motor vehicle Power train in double arrangement of clutch between driving unit and speed changer, which, which has, is associated with one first One the first clutch arrangement of transmission input shaft and a second clutch arrangement for being associated with second transmission input shaft, First clutch is used for selectively carrying out torque transmitting between the driving unit and first transmission input shaft, this Two clutches are used for selectively carrying out torque transmitting between the driving unit and second transmission input shaft, are provided with one A clutch supporting wheel hub, the clutch supporting wheel hub are combined by least one first wheel part and second hub portion.

Double arrangement of clutch of the invention are contemplated to be arranged in the power train of motor vehicles in a driving unit, such as One combustion engine, and a speed changer, such as a double-clutch speed changer, between.Double arrangement of clutch are preferably one kind Double arrangement of clutch of wet type operation, e.g. a kind of double arrangement of clutch run in the oil.It is furthermore preferred that double clutch dresses Install and be calculated as concentric double arrangement of clutch, two clutch arrangement be nestedly arrange radially or have one relative to Axial overlapping region for axial direction.Double arrangement of clutch, which have, is associated with one of first transmission input shaft the One clutch arrangement, for selectively carrying out torque transmitting between the driving unit and first transmission input shaft.It should First clutch arrangement is preferably the external clutch arrangement of double arrangement of clutch of concentric type design.Furthermore double arrangement of clutch tools There is a second clutch arrangement for being associated with second transmission input shaft, in the driving unit and second speed change Torque transmitting is selectively carried out between device input shaft.The second clutch arrangement is preferably double clutches dress of a concentric type design The inner clutch arrangement set.The two clutch arrangements be preferably designed to can hydraulic actuation or/and be designed as having corresponding The chip clutch arrangement of clutch-plate group.Also it is preferred that the first transmission input shaft passes through second speed changer in the axial direction Input shaft extends, and makes it that can also be referred to as the transmission input shaft of concentric type arrangement.Double arrangement of clutch have a clutch Supporting wheel hub, the clutch supporting wheel hub for example can be essentially used for supporting double arrangement of clutch radially, wherein this pair from The support set is attached together by the clutch supporting wheel hub, preferably at one of these transmission input shafts or a fixed shell Cither indirectly or directly carry out.It, should be from order to simplify the manufacture of the clutch supporting wheel hub (as double arrangement of clutch component parts) Supporting wheel hub is closed to be combined by least one first wheel part and second hub portion.In other words, the clutch support wheel Hub is designed at least two-piece type, and the first wheel part and second hub portion are respectively preferably designed for single-piece. Although requiring there are an installation steps to combine first wheel part or be fastened to the second hub portion in the present invention On each other, however the manufacture of these independent hub portions is simplified, especially when the clutch supporting wheel hub is relative to its axial direction For there is very big difference in radial dimension or/and be provided with multiple for built in pressure oil, cooling oil or/and lubricant Service duct, overflow ducts or/and balance channel, only higher in the case where the clutch supporting wheel hub of one piece design These channels could be used under expending.In addition, the installation or combination of double arrangement of clutch are simplified, it is particularly due to the clutch Supporting wheel hub is two-piece type, thus the other components of double arrangement of clutch can a kind of change sequence or/and It is carried out on one preferred installation direction, and second hub portion is for example only by another group of double arrangement of clutch It can be just fastened at the first wheel part at being partially fastened on after the first wheel part, this clutch in one piece design Cannot easily it accomplish in the case where supporting wheel hub, because this clutch supporting wheel hub is only capable of installing at two in some cases Or it is arranged or is assembled in assembly orientation.

In a preferred embodiment of arrangement of clutch of the invention, second hub portion radially with this first Hub portion nestedly arranges.A kind of two-piece type clutch supporting wheel hub is provided by this method, the clutch supporting wheel hub phase It can have the scale that difference is very big radially, for axial direction so as to by the other component part of the arrangement of clutch Or regional arrangement is in corresponding radial position.In addition, improving the effect (Zusammenhalt) to keep together.It is excellent herein Choosing, the second hub portion are external at least partially around first wheel part radially.

In order to be further simplified the installation or assembling of double arrangement of clutch, the second hub portion in the axial direction with first wheel Part is plugged on together or/and is pushed to together.

In an advantageous embodiment of double arrangement of clutch of the invention, the second hub portion is fastened on first round hub Exist respectively, wherein turning out to be advantageously, the second hub portion is fastened directly at first wheel part.However, theoretically may be used It is fastened at the first wheel part indirectly with imagining second hub portion.In this embodiment, it is also preferred that Second hub portion engaged by means of a kind of grafting, a kind of pressure cooperation or/and is fastened on first wheel part by welding Place.It is further preferred, that the second hub portion is sealingly secured at first wheel part, so as to avoid herein leakage and Pass through service duct existing in due course, overflow ducts or/and the balance channel inside the first or/and second hub portion Realize targetedly oil supply.Independently of correspondingly selected implementation variant, first wheel part and the second hub portion should It anti-rotationally puts together or/and is fastened on each other.

In another advantageous embodiment of double arrangement of clutch of the invention, the first clutch arrangement is by means of at least one Can hydraulic-driven, the first actuating piston for being associated with a first pressure room but it is actuatable, and the second clutch arrangement is borrowed Help at least one can hydraulic-driven, be associated with a second pressure room second actuating piston but it is activatable.Change speech It, these clutch arrangements be can hydraulic actuation clutch arrangement, their actuating piston passes through the pressure of the pressure chamber of subordinate respectively Power applies and drives.These pressure chambers preferably separately design the receiver cylinder body being integrated into double arrangement of clutch at one (Nehmerzylinder) in, which is particularly preferably designed as in the operation of double arrangement of clutch in company with rotation (mitdrehend).And these actuating pistons of the two clutch arrangements are preferably designed in the operation of double arrangement of clutch In company with the actuating piston of rotation.

In order at least partly balance the centrifugal oil pressure occurred inside the pressure chamber, filled in double clutches of the invention In another advantageous embodiment set, which is associated with a first pressure balance cylinder for realizing centrifugation Oil balance.Alternatively or complementally, in this embodiment, the second actuating piston is associated with a second pressure balance Room is for realizing centrifugal oil balance.

In another preferred embodiment of double arrangement of clutch of the invention, first wheel part and the second hub portion It is fastened in the case where forming different pressure chamber's internal diameters or can be fastened to upper each other or be combined with each other.By this method, these Pressure chamber can reasonably offset each other in the lateral position of its radial inward, to be achieved in the especially tight of double arrangement of clutch The construction to gather, without herein becoming difficult the manufacture of the clutch supporting wheel hub, especially in its design as mentioned by introductory song When being combined into when for two-piece type or by the first and second hub portions.It is preferably in this embodiment, first pressure Room has the internal diameter for being less than second pressure room.Furthermore also confirm advantageously, first pressure room radially by this first Hub portion limits, and second pressure room is limited by second hub portion radially.In other words, in this implementation variant It is targetedly arranged for realizing the first and second pressure chambers relative to each other, mode is to make first pressure room radially It is limited by first wheel part and second pressure room is limited by the second hub portion, this can be by accordingly determining the first He The size of second hub portion and realize in a particularly simple way.

In conventional double arrangement of clutch, component part is generally in two reciprocal axial directions of double arrangement of clutch On be plugged in together, be pushed to together or be directed to together.So that the installation or assembling of double arrangement of clutch are more difficult. In a particularly preferred embodiment of double arrangement of clutch of the invention, the size of the first and second hub portions is therefore true Be set to it is as follows so that first actuating piston and the second hub portion be plugged into or be pushed to first wheel in identical axial direction On part, to simplify the installation or assembling of double arrangement of clutch.It is preferred here that the first actuating piston is plugged into first Or be pushed on first wheel part, so that the second hub portion grafting or is then pushed to the first round in identical axial direction On hub portion.

In another based on above embodiment, the double arrangement of clutch of the present invention preferred embodiment, this pair from Attaching together to set also has a rotation sync section same for realizing the rotation between clutch supporting wheel hub and an attachment device Step connection.The rotation sync section may, for example, be with the corresponding wheel rim or tooth wheel rim for rotating synchronous profile, and be somebody's turn to do Attachment device can for example be formed by a pump or oil pump.Be preferably in this embodiment, rotation sync section with It is plugged into or is pushed on first wheel part on first actuating piston and the identical direction of the second hub portion.Herein intentionally First actuating piston and the second hub portion rotation sync section and will be plugged into or will be pushed to the therewith first by justice On one hub portion.

In another preferred embodiment of double arrangement of clutch of the invention, which also has a limit Wall is to be used for the limit first pressure room, and wherein the limit wall can be for example by a circular sheet metal shape in due course At.Preferably, piston and the second hub portion grafting or the same axial being pushed on first wheel part are being activated by first On, by the limit wall grafting for being used for the limit first pressure room or it is pushed to the first wheel part.In this embodiment In it is verified advantageously, the limit wall for limit first pressure room can fasten or be fastened on previously mentioned rotation synchronization At part, to be plugged into or be pushed to first wheel part in the axial direction after the rotation sync section, or After the limit wall for being used for limit first pressure room is fastened to the rotation sync section together with the rotation sync section It is plugged into or is pushed on first wheel part in the axial direction.

In another advantageous embodiment of double arrangement of clutch of the invention, it is provided at least in the second hub portion One service duct supplies second pressure room.One such service duct can be relatively simply in the second wheel hub Manufactured in part, especially by second hub portion in the case where subsequently forming the clutch supporting wheel hub of the two-piece type just with The combination of first wheel part.It is verified in this context advantageously, this at least one supply in the second hub portion is logical Road is designed as tool, and there are two the holes of the opening of end side, that is, are preferably not designed to the groove etc. of milling.It also demonstrate,proves in this context Bright advantageously linear hole, especially at least one service duct hereby it is possible to be further simplified in the second hub portion Manufacture.In this embodiment it is also preferred that the first and second hub portions, are realizing the supply in the second hub portion In the case where fluidly connecting between at least one service duct in channel and first wheel part or at first wheel part, Fastening can be fastened on each other.The manufacture of the clutch supporting wheel hub is thereby further simplified, especially in corresponding hub portion These service ducts in point are it is only necessary to pointedly arrange, and the fluid between the service duct of the two hub portions Connection can be realized simply by combining the first and second hub portions.In this context, it can also refer to, first A service duct in hub portion moves towards within first wheel part, and at first wheel part a service duct It is to be for example accomplished by the following way at first wheel part: in the case where forming a service duct between, It is also fastened with a third hub portion at first wheel part, which will be also described in detail again hereinafter.

In another advantageous embodiment of double arrangement of clutch of the invention, it is provided at least in the second hub portion One overflow ducts, oil, which can flow out by the overflow ducts from first pressure balance cylinder or/and can be sent into second pressure, puts down Weighing apparatus room.At least one overflow ducts are preferably implemented as hole in turn and are not therefore embodied as slot milling (Fr sung), but extremely Few is theoretically also feasible.In order to simplify the second hub portion herein together with the manufacture of overflow ducts, overflow ducts are preferably flat Row extends in the rotation axis of double arrangement of clutch or the second hub portion.At least one overflow ducts, dependent on corresponding real Variant is applied, preferably following design is in the second hub portion: so that the second hub portion, particularly preferably in inner radial, Around the second pressure room of double arrangement of clutch.It is furthermore preferred that the oil from first pressure balance cylinder can be introduced into At least one of these clutch arrangements, preferably in the two.

In another advantageous embodiment of double arrangement of clutch of the invention, it is provided at least in the second hub portion One balance channel is for supplying second pressure balance cylinder.In this embodiment and then preferably, this is extremely A few balance channel is designed as hole and is not designed to slot milling.In addition, being preferably in this embodiment, the second pressure Dynamic balance room radially, such as in due course the second pressure room the case where, be by the second hub portion limit.

As shown at introductory song, the first and second clutch arrangements are preferably separately designed as chip clutch arrangement, The chip clutch arrangement of wet type operation is designed as when appropriate.Then in another advantageous embodiment party of double arrangement of clutch of the invention In formula, the first clutch arrangement has a first clutch-plate group, and the second clutch arrangement has a second clutch-plate group.In order to Realize the lesser axial structure length of double arrangement of clutch herein, the first and second clutch-plate groups are preferably radially nestedly It arranges.In other words, these clutch-plate groups nestedly arranged have at least one overlapping region in the axial direction.It herein can also be with It says, which is a kind of concentric double arrangement of clutch.

In another advantageous embodiment of arrangement of clutch of the invention double, be fastened at the second hub portion this One or/and second clutch arrangement an outer clutch plate rack.It then for example can be by the outer clutch-plate branch of the first clutch arrangement Frame and the outer clutch plate rack of the second clutch arrangement are fastened at the second hub portion.It herein can be by these outer clutch plate racks It is being designed as being completely separated from each other or at least one portion section, the support section of such as one axial direction can be segmented into. Therefore the outer clutch plate rack is anti-rotationally connected with the second hub portion, wherein the outer clutch for being preferably designed for sheet metal Plate rack particularly preferably welds together with the second hub portion.In this embodiment, it is also preferred that this or this A little outer clutch plate racks are fastened on the second wheel hub by the support section of a radial direction of this or these outer clutch plate rack At part.

In a particularly advantageous embodiment of arrangement of clutch of the invention double, the first and second actuating pistons relative to It is arranged in for axial direction on the side away from each other of support section of a radial direction of the outer clutch plate rack.Embodiment party herein In formula, the peace of double arrangement of clutch with the two-piece type clutch supporting wheel hub being made of first wheel part and the second hub portion The advantages of dress and assembling are simplified becomes more apparent upon.Although having an outer clutch plate rack, (the outer clutch plate rack is logical A radial support section is crossed to be fastened at the single-piece clutch supporting wheel hub) single-piece clutch supporting wheel hub in the case where, Need by first actuating piston in an axial direction and by second actuating piston be plugged into another opposite axial direction or It is pushed on the clutch supporting wheel hub of the single-piece, but in the clutch branch of the two-piece design of double arrangement of clutch according to the present invention In the case where supportting wheel hub, piston can be activated in an axial direction, then by the second hub portion identical by first first Axial direction on and the second actuating piston grafting or is pushed to thereon in identical axial direction therewith, which considerably simplifies this The installation or assembling of double arrangement of clutch.It can also be connected with the second actuating piston and be grounded the second hub portion in the axial direction It is plugged on first wheel part, as also will be explained in hereinafter.

In order to which in tool, there are two double arrangement of clutch of actuating piston, (the two actuating pistons are arranged in this relative to the axial direction On the side away from each other of one radial support section of outer clutch plate rack) in the case where ensure this first actuating piston energy The the first clutch-plate group for enough activating or compressing the subordinate of the first clutch arrangement, another in double arrangement of clutch of the invention are advantageous Embodiment in, this first actuating piston have multiple actuating sections, these actuating sections in the axial direction by outer clutch Multiple cavern parts in the radial support section of plate rack extend.These actuating sections preferably substantially extend in the axial direction, In these actuating sections particularly preferable as with a free end actuating finger, the free end towards first clutch pacify The first clutch-plate group of row.

In another preferred embodiment of double arrangement of clutch of the invention, the second hub portion has a piston leading Guide face can push along the guide surface or/and hermetically guide the second actuating piston.The piston leading guide face is preferably one Cylindrical surface outwardly in the axial direction, one of air locking, such as a sealing ring can for example use the second actuating Piston can be arranged at the second actuating piston or/and be fixedly provided at the piston leading guide face with pushing.

In another advantageous embodiment of double arrangement of clutch of the invention, it is fastened with and is used at the second hub portion One limit wall of the limit second pressure balance cylinder.Therefore second limit wall is designed as with second hub portion being not single-piece Formula but be fastened thereon.Limit wall for the limit second pressure balance cylinder for example can be by one, ring in due course Around, sheet metal is formed and is preferably caused outward and in the axial direction in second pressure balance cylinder backwards to second radially The side upper control limit of the piston second pressure balance cylinder, and second pressure balance cylinder radially inwardly (as mentioned before this And) particularly preferably by the second hub portion limit.In this embodiment, the limit for being used for second pressure balance cylinder Second hub portion is fastened under the intermediary of a reset spring of boundary's wall preferably between the limit wall and the second actuating piston Exist respectively.In order to also simplify the disassembly later of the necessary in due course arrangement of clutch herein or each other disassemble, the limit wall is excellent Choosing is releasably, in due course by means of a relieving ring, to be fastened at the second hub portion.

In order to be further simplified the installation or assembling of double arrangement of clutch, another in double arrangement of clutch of the invention is special In advantageous embodiment, the second hub portion and outer clutch plate rack form a module, pass through the to the module combined type Two hub portions can be fastened or be fastened at first wheel part or be plugged into, it is pluggable to, be pushed to or can be pushed to On first wheel part.It is preferably in this embodiment, which also has the second actuating piston and for limit the The limit wall of two pressure equalizing chambers, there are also reset springs mentioned above in due course.

In another preferred embodiment of double arrangement of clutch of the invention, module design mentioned above are as follows: so that Second hub portion and outer clutch plate rack be designed to, preferably with the second actuating piston and the limit second pressure balance cylinder Limit wall, in due course there are also the reset spring be connected ground connection, combined anti-looseningly within the module, so as to simplify this pair from Attach together the installation and removal set.

In another advantageous embodiment of double arrangement of clutch of the invention, which passes through first wheel Part can support or be supported on radially fixed one of shell or these transmission input shafts a place.In double clutches of the invention In another advantageous embodiment of device, which can support or prop up radially by first wheel part Support is at fixed one of shell or these transmission input shafts a place.The shell of the fixation may, for example, be a transmission case Body, motor body or a part being anti-rotationally connected with the shell of the fixation, that is, a such as support tube.

As having shown that at introductory song, the first transmission input shaft extends preferably across the second transmission input shaft, makes Its transmission input shaft that can also be referred to as concentric type arrangement.Should it be the case, the branch of the clutch supporting wheel hub Support is radially by first wheel part, in due course by a rolling or sliding bearing arrangement between, the Two or external transmission input shaft at carry out.

In another preferred embodiment of double arrangement of clutch of the invention, first wheel part and the second hub portion It separately designs as single-piece.

Theoretically at least one of first and second hub portion or the two hub portions can be designed to gold Belong to piece.However this may have a disadvantage that, i.e., this is with lesser rigidity, while being difficult or completely can not be in corresponding wheel The service duct, overflow ducts or balance channel longitudinally extended is formed within hub portion.For this reason, the first and second wheel Hub portion separately designs as casting or/and turning part, wherein the previously mentioned channel that these longitudinally extend can for example pass through Hole, there are also slot millings in due course to generate in corresponding casting or/and turning part.

In another advantageous embodiment of double arrangement of clutch of the invention, the clutch supporting wheel hub is not only by the first He Second hub portion is combined into, but is also combined by a third hub portion, wherein in third hub portion and the first round In the case where forming multiple service ducts between hub portion, which is fastened on first wheel part Place.Therefore, in this embodiment, it is logical that multiple supplies are generated at first wheel part rather than in first wheel part Road.Be preferably in this embodiment, first and third hub portion radially nestedly arrange.Then the first He Third hub portion can for example be designed as tubulose, and be pushed among each other in the axial direction, wherein in such case It is lower preferably, first and third hub portion be pressed against each other by this method.It is also confirmed in this case as advantageously, should Clutch supporting wheel hub passes through the rolling being mentioned above between or sliding bearing by the third hub portion in due course It arranges, it is sustainable or be supported on the transmission input shaft, at preferably external transmission input shaft.

In another advantageous embodiment of arrangement of clutch of the invention double, double arrangement of clutch have one directly or The clutch input hub that can couple indirectly or be connected at a driven shaft of the driving unit.Then the clutch wheel for inputting Hub for example can couple or be coupled to the driving list indirectly by a torsion vibration absorber, a flywheel or the like At the driven shaft of member.For this purpose, which preferably has the synchronous profile of a rotation, such as a tooth Portion.The clutch input hub and the clutch supporting wheel hub are in rotation synchronized links, wherein it is preferred that the clutch input hub It is same that rotation is in the second hub portion of the clutch supporting wheel hub, particularly preferably by outer clutch plate rack mentioned above Step connection.

Method of the invention is for installing a double arrangement of clutch, preferably one embodiment party in double arrangement of clutch of the invention Double arrangement of clutch in formula meaning, and there is the following method step.One of a clutch supporting wheel hub the is provided first One hub portion.Then the first actuating piston of a first clutch arrangement is pushed to or is plugged into a first axis On the first wheel part.Then the second hub portion of a module is pushed to or is plugged into identical first axis On the first wheel part, wherein second hub portion and one of the module with the clutch supporting wheel hub are fastened on Outer clutch plate rack at second hub portion.

In a preferred embodiment of the method for the present invention, which also there is one to be pacified for second clutch The second of row activates piston or/and one is used for the limit wall for being associated with the pressure equalizing chamber of the second actuating piston, should This pressure equalizing chamber of limit wall limit.Therefore in this embodiment, by the second hub portion of module this first Installed when axially pushing or be plugged on the first wheel part this second actuating piston or/and for be associated with this second Activate the limit wall of the pressure equalizing chamber of piston.In addition, the module can be between the limit wall and the second actuating piston With reset spring mentioned above.

In a particularly preferred embodiment of the method for the present invention, it will be used to be attached in clutch supporting wheel hub and one Realize that a rotation sync section of rotation synchronized links is pushed in identical first axis or is plugged into this between device It on first wheel part, and is before by the first actuating piston promotion or grafting.Alternatively or complementally, it is pushing Or grafting this first actuating piston before, be used for limit one limit for being associated with the first pressure room of the first actuating piston for one Boundary's wall is pushed to or is plugged on first wheel part in identical first axis.It is preferred here that the limit wall is upper It is fastened or is fastened here at the rotation sync section that text refers to.Then when this is associated with the first actuating piston for limit The limit wall of first pressure room when be fastened at the rotation sync section in advance, which can will rotate synchronization portion Divide promotion or grafting is pushed later or together with the rotation sync section or grafting.

The other embodiment, advantage and concept of the method for the present invention please refer to the previous theory to double arrangement of clutch of the invention Bright, these contents are applicable in a corresponding way.

Detailed description of the invention

It will to explain the present invention in detail by multiple illustrative embodiments and with reference to attached drawing below.It is unique attached Figure illustrates the side view of an embodiment of the double arrangement of clutch of the present invention in a power train with sectional view.

Specific embodiment

Unique attached drawing illustrates a power train in motor vehicles, which has a double arrangement of clutch 2, should Double arrangement of clutch are arranged in the torque transmission paths between a driving unit 4 and a speed changer 6.In figure only schematically The driving unit 4 of expression can for example be designed as combustion engine and have a driven shaft not illustrated in detail, should be from Moving axis can indirectly or directly couple or be connected at a clutch input hub 8 of double arrangement of clutch 2.For this mesh , which has the synchronous profile 10 of a rotation, and the synchronous profile of the rotation for example can be designed as a tooth Portion.In order to which the driven shaft for not illustrating this of driving unit 4 in detail couples indirectly with the clutch input hub 8, such as can A torsion vibration absorber to be arranged between the driven shaft of driving unit 4 and clutch input hub 8.

The reciprocal axial direction of the power train or double arrangement of clutch 2 is illustrated by means of corresponding arrow in figure 12,14, reciprocal radial direction 16,18 and reciprocal circumferencial direction 20,22, wherein power train or double arrangement of clutch 2 Rotation axis extends on axial 12,14 and is equipped with reference number 24 in figure.

Speed changer 6 is only partially shown.Then speed changer 6 has a fixed case of transmission 26, the wherein change Fast device shell 26 has a case of transmission cover 28, the change in its direction axial 12, the double arrangement of clutch 2 of direction end The opening of the direction axial 12 of fast device case cover is closed by a removable case of transmission lid 30.In case of transmission cover 28 Within design have a moist chamber 32, on the one hand which passes through the case of transmission cover 28 and on the other hand passes through the speed changer Case lid 30 carrys out limit.Double arrangement of clutch 2 are arranged within moist chamber 32, so that double arrangement of clutch 2 can also be referred to as Double arrangement of clutch 2 of one wet type operation.Speed changer 6 also has first transmission input shaft 34 and second speed changer Input shaft 36, these axis the inside of case of transmission 26 on axial 12 from extending in moist chamber 32 and therefore in double clutches The side of device 2 upwardly extends.Second transmission input shaft 36 be designed as it is tubular, wherein the first transmission input shaft 34 is axial 12 It is upper to be extended through the second transmission input shaft 36, make it that can also be referred to as radially nested or concentric type arrangement speed change Device input shaft 34,36.

As can be seen from Fig., be additionally provided in moist chamber 32 one it is rotatably supporting, only show for one The driving wheel 38 of attachment device 40 shown in meaning property, the driving wheel can be driven by double arrangement of clutch 2, such as below also It to be described in detail.The driving wheel 38 can be such as one pump driving wheel, it forms the attachment device 40 for being designed as pump Driving side.

Double arrangement of clutch 2 have a first clutch arrangement 42 for being associated with first transmission input shaft 34 and match Second clutch for belonging to second transmission input shaft 36 arranges 44, which is used in the driving unit Torque transmitting is selectively carried out between 4 and first transmission input shaft 34, which is used in the driving list Torque transmitting is selectively carried out between member 4 and second transmission input shaft 36.The two clutch arrangements 42,44 separately design For chip clutch arrangement, so that the first clutch arrangement 42 has a first clutch-plate group 46, and the second clutch arranges 44 With a second clutch-plate group 48, wherein clutch-plate group 46,48 is respectively provided with multiple outer clutch-plates and multiple interior clutch-plates, this A little outer clutch-plates are designed as such as steel clutch-plate, these interior clutch-plates are designed as such as friction clutch disc.First clutch arranges 42 It is designed as external clutch arrangement in the embodiment shown, and the second clutch arrangement 44 is designed as inner clutch arrangement, wherein The clutch-plate group 46,48 nestedly arranges on radial 16,18, so that these clutch-plate groups have the overlay region of an axial direction Domain.Therefore the double arrangement of clutch 2 shown can also be referred to as double arrangement of clutch 2 of concentric type.

First clutch arrangement 42 or the first clutch-plate group 46 are associated with a first outer clutch plate rack 50.First outer clutch There is plate rack 50 the tubular clutch-plate substantially extended on axial 12,14 to keep section 52 and one axial 14 The upper branch for keeping section 52 to connect and be inwardly extending radial on radial 18 from clutch-plate keeps section 52 with clutch-plate Support section 54, the support section be used to making the first outer clutch plate rack 50 be radially supported on 18 will be explained in later from It closes at supporting wheel hub 56.The support section 54 of the radial direction is followed on radial 18 by first radial segment 58 and one herein First radial segment 58 the second radial segment 60 formation, these sections be herein single-piece design each other together.This Outer first clutch arrangement 42 is associated with clutch plate rack 62 in one first, this is including clutch plate rack is on radial 18 in first Ground is releasably in rotation synchronized links by a first clutch output hub 63 with the first transmission input shaft 34.

Second clutch arrangement 44 or the second clutch-plate group 48 are associated with a second outer clutch plate rack 64, this second it is outer from Closing plate rack, there is the tubular clutch-plate substantially extended on axial 12,14 to keep section 66 and one axial 14 The upper support section 68 for keeping section 66 to connect and be inwardly extending radial on radial 18 with clutch-plate, the support section are used In being supported on the second outer clutch plate rack 64 at clutch supporting wheel hub 56 on radial 18.As can be seen from Fig., The radial support section 68 of two outer clutch plate racks 64 is in the embodiment shown by the diameter of the first outer clutch plate rack 50 To support section 54 the formation of the second radial segment 60, could also say that so partly shared outer clutch plate rack 50, 64.This is achieved as follows in the embodiment shown: the clutch-plate holding area of the tubulose of the second outer clutch plate rack 64 Section 66 is fastened to the first outer clutch plate rack 50 in the region between the first radial segment 58 and the second radial segment 60 At radial support section 54, wherein this preferably passes through welding and carries out.Second clutch arrangement 44 or the second clutch-plate group 48 are also matched Category has clutch plate rack 70 in one second, this in second clutch plate rack by one arranged interiorly on radial 18 the Two clutch output hubs 72 and releasably with the second transmission input shaft 36 be in rotation synchronized links.

First and second clutch output hubs 63,72 are used as the output of the first clutch arrangement 42 or the second clutch arrangement 44 Side, and outer clutch plate rack 50,64 is used as the input side that corresponding clutch arranges 42 or 44.For this purpose, being provided with one together Device disk 74 is walked, which is anti-rotationally connected and from clutch input hub 8 with clutch input hub 8 in the moist chamber Extend outwardly on radial 16 inside 32, be herein a teeth portion will pass through the synchronous profile 76(of a rotation) realizing rotation The clutch-plate that the first outer clutch plate rack 50 is joined in the case where synchronized links is kept in a corresponding profile of section 52. Synchronizer disk 74 is fixed on clutch-plate by a relieving ring 78 on axial 12 and keeps at section 52.Clutch input hub 8 from Synchronizer disk 74 rises on axial 12 through a central opening 80 of the case of transmission lid 30 of moist chamber 32 towards driving unit 4 Direction extends, and indirectly or directly couples or can be connected in the not detailed of driving unit 4 will pass through the synchronous profile 10 of rotation At the driven shaft shown.Here, clutch input hub 8 is hermetically directed across opening 80, this is by the side of opening 80 Corresponding circular sealing element 82 is realized at edge.

As having shown that above, not only the first outer clutch plate rack 50 all passes through diameter there are also the second outer clutch plate rack 64 To support section 54 or 68 be upcountry supported on radial 18 it is at clutch supporting wheel hub 56 and anti-rotationally coupled It connects, wherein the support section 54,68 of the radial direction or the second radial segment 60 are preferably welded with clutch supporting wheel hub 56 for this purpose It is connected together.However the not instead of one piece design of clutch supporting wheel hub 56, clutch supporting wheel hub 56 are designed as by one One hub portion 84 and second hub portion 86 are combined into and are therefore designed at least as two-piece type.Herein outside the two The radial support section 54,68 of clutch plate rack 50,64 is anti-rotationally fastened at the second hub portion 86.The two wheel hubs Part 84,86 itself is respectively designed to single-piece, wherein the two hub portions 84,86 separately design as casting or/and Turning part.

However, first wheel part 84 and the second hub portion 86 are anti-rotationally fastened on each other.For this purpose, the Two hub portions 86 are plugged in together on axial 14 with first wheel part 84, and what wherein this was anti-rotational is connected to a connection It is for example carried out by means of a kind of plug connection, a kind of pressure cooperation or/and by welding in region 88.Such is plugged in together Hub portion 84,86 nestedly arranged on radial 16,18 at least in an axial section, wherein the second hub portion Points 86 by grafting or are pushed on first wheel part 84 on axial 14 as follows in the embodiment shown, so that second Hub portion 86 in axially outer surrounds first wheel part 84 in the axial section.

Clutch supporting wheel hub 56 is used to support double arrangement of clutch 2 on radial 16,18.In the embodiment shown, from Supporting wheel hub 56 is closed through first wheel part 84 on radial 16,18, this is on radial 18, between by one Transverse bearing arrangement 90 is supported on the lateral position on radial 16 outwardly of the second transmission input shaft 36.Transverse bearing peace Row 90 may, for example, be a rolling bearing arrangement or sliding bearing arrangement, wherein schematically illustrating the former in figure.It replaces For property, clutch supporting wheel hub 56 can also be supported at a fixed shell on radial 16 or 18, such as transmission case At body 26 or a support tube being fastened at the shell of the fixation.Clutch supporting wheel hub 56 passes through the first outer clutch-plate branch Frame 50 and synchronizer disk 74 and clutch input hub 8 are in rotation synchronized links, are referred to as the clutch branch an of input side Support wheel hub 56.

The two clutch arrangements 42,44 respectively can hydraulic actuation.For this purpose, the first clutch arrangement 42 is by means of extremely Few one can the first actuating piston 92 of hydraulic-driven activate, which is associated with one for pressure medium (preferred oil) applies loaded first pressure room 94, and the second clutch arrange 44 by means of at least one can hydraulic actuation the Different piston 96 activates, which is associated with one for applying loaded the with pressure medium (preferred oil) Two pressure chamber 98.In the first actuating piston 92 on first pressure room 94, the side being directed toward on axial 12, it is provided with one A first pressure balance cylinder 100 for being associated with the first actuating piston 92, and in the second actuating piston 96 backwards to second pressure room 98, on the side being directed toward on axial 12, it is provided with the second pressure balance cylinder 102 for being associated with the second actuating piston 96, Wherein pressure equalizing chamber 100,102 for realizing a kind of at least part of centrifugal oil to balance.

As can be seen from Fig., the two actuating pistons 92,96 are arranged in the first outer clutch relative to axial 12,14 The radial support section 68 of the radial support section 54 and the second outer clutch plate rack 64 of plate rack 50 is away from each other Side on.Then the first actuating piston 92 is arranged in radial support section 54 and the radial direction for supporting section 68 is axial On 14 side, the second actuating piston 96 is arranged in the direction of radial support section 54 and radial support section 68 on the contrary On axial 12 side.Even if in order to still assure that the first cause in the mentioned position relative to radial support section 54 Piston 92 can act in the first clutch arrangement 42 or the first clutch-plate group 46, which has substantially in axial direction 12, the actuating section 104 extended on 14, these actuating sections pass through cavern part 106 in radial support section on axial 12 Extend in 54, more specifically in the first radial segment 58 of the radial support section 54 of the first outer clutch plate rack 50. Actuating section 104 can for example be designed as the actuating finger outstanding on axial 12, these actuating fingers are in circumferencial direction 20, on 22 it is preferably uniform, be separated from each other, corresponding be separated from each other on circumferencial direction 20,22 with being passed through Cavern part 106 and extend.Because the second actuating piston 96 has been positioned at the support section 54 of the radial direction and radial support On the side of the direction axial 12 of section 68, any cause that must extend through cavern part is not needed for the second actuating piston 96 Dynamic section.

First pressure room 94 is inwardly synchronized by first wheel part 84, on axial 14 by a rotation on radial 18 Part 108 and 110 limits of a limit wall and on radial 16 by 110 limits of the limit wall, so that the first round Hub portion 84, rotation sync section 108 and limit wall 110 reasonably form the receiver cylinder for receiving the first pressure room 94 Body, the receiver cylinder body are designed in the operation of double arrangement of clutch 2 in company with rotation.In a corresponding way, it is associated with first The pressure chamber 94 of actuating piston 92 is designed in operation in company with rotation.Rotation sync section 108 be one for realizing Clutch supporting wheel hub 56 and attachment device 40(namely such as one pump) between rotation synchronized links rotation sync section. Then rotation sync section 108 has the synchronous profile 112 of a rotation, such as a teeth portion, teeth portion rotation corresponding with one Turn synchronous profile in the driving wheel 38 of the attachment device 40 everywhere in rotation synchronized links or the synchronous engagement of rotation.Rotate synchronization portion 108 are divided to be plugged into or be pushed on first wheel part 84 on axial 14, to be supported on first wheel on axial 14 At part 84.In addition, rotation sync section 108 is anti-rotationally connected with the first wheel part 84 of clutch supporting wheel hub 56, Wherein this can for example be realized by welding or pressure cooperation.The rotation sync section 108 and clutch supporting wheel hub 56 herein First wheel part 84 be preferably hermetically connected.Limit wall 110 is a sheet metal or stamped metal part, the metal on the contrary Piece or stamped metal part are equally plugged into or are pushed on first wheel part 84 on axial 14, so as in rotation synchronization portion Divide at 108, be alternatively directly braced at first wheel part 84, and is anti-rotationally fastened in due course. Internal diameter d is inwardly had by the first pressure room 94 of the limit of first wheel part 84 on radial 18₁.First pressure balance cylinder 100 be on radial 18 inwardly by first wheel part 84, on axial 12 by the Support of the second hub portion 86 and radial direction Section 54 or radial support section 68 and on radial 16 outward by the support section 68 of radial support section 54 or radial direction Institute's limit, wherein radial support section 54 or the support section 68 of radial direction, more specifically the second radial segment 60 mesh thus With a swells (Ausbauchung) on axial 12.

Second pressure room 98 is on the contrary on radial 18 inwardly by the second hub portion 86 and on axial 14 by radial direction Support section 54 or radial direction 68 limits of support section.Therefore the second hub portion 86 and radial support section 54 or 68 The receiver cylinder body for receiving the second pressure room 98 is formed, which is designed to the fortune in double arrangement of clutch 2 In company with rotation in row.Second pressure room 98 is herein with an internal diameter d previously given by the second hub portion 86₂, this is interior Diameter is designed to the internal diameter d greater than first pressure room 94₁.Therefore the first and second hub portions 84,86 are in pressure chamber 94 and 98 Form different inner diameters d₁And d₂In the case where fasten or can be fastened on each other, wherein first pressure room 94 have a ratio second The smaller internal diameter d in pressure chamber 98₁.This is suitable for the internal diameter of the first and second pressure equalizing chambers 100,102 in a corresponding way, In for clarity reasons in figure without showing corresponding reference number.The inside quilt on radial 18 of second pressure balance cylinder 102 Second hub portion 86 is limited by the limit wall 114 outward by a limit wall 114 on axial 12 and on radial 16 Boundary.Being designed as sheet metal or stamped metal part, limit wall 114 circular on circumferencial direction 20,22 is releasably to be fastened on At second hub portion 86, wherein this passes through a relieving ring at the second hub portion 86 in the embodiment shown 116 carry out, and by the relieving ring, limit wall 114 is supported at the second hub portion 86 on axial 12.It can such as from figure Out, limit wall 114 is placed in limit wall 114 and the second actuating in the case where the intermediary of at least one reset spring 118 Between piston 96, wherein at least one reset spring 118 acts on axial 12,14.For sake of completeness, it should also infuse Meaning, is additionally provided with one other than being associated with the reset spring 118 of the second actuating piston 96 and is associated with the first actuating piston 92 Reset spring.The reset spring for being associated with the first actuating piston 92 only symbolically shows in figure and axial 12,14 On be arranged between the radial support section 54 of the first actuating piston 92 and the first outer clutch plate rack 50, be in the diameter herein To support section 54 direction axial 14 or on the side of the first actuating piston 92.The reset spring can be such as Be designed as helical spring, dish-style spring, etc..

In lateral position of the first wheel part 84 on radial 16 outwardly, be provided with one it is substantially cylindrical Piston leading guide face 120, the first actuating piston 92 can be pushed along the piston leading guide face on axial 12,14 and hermetically be guided. For the purpose of sealing, be provided with a corresponding sealing element at actuating piston 92, the sealing element with actuating piston 92 together It can be pushed on axial 12,14 and support or may be supported at piston leading guide face 120.For the second actuating piston 96 The lateral position on radial 16 outwardly of the second hub portion 86 is arranged in one piston leading guide face 122 on the contrary, wherein The piston leading guide face 122 is designed as substantially cylindrical and the second actuating piston 96 on axial 12,14 along the work once again Plug guide surface 122 can be pushed and hermetically be guided.There is one from also arrangement is in the second actuating piston 96 in the case Corresponding sealing element is for hermetically the second actuating of guidance piston 96, so that the sealing element and the second actuating piston 96 1 It rises, can be pushed on axial 12,14 in the case where the sealing element to be supported at piston leading guide face 122.

In order to pressure medium supply pressure room 94,98, with balance media supply pressure balance cylinder 100,102, and with Lubricating oil or/and cooling oil supply clutch arrange 42,44, are provided with not in first wheel part 84 and the second hub portion 86 With channel, wherein these channels are by being case of transmission 26 herein in first wheel part 84 and a fixed shell, Between a rotational path (Drehdurchf ü hrung) 124 supply.Then in first wheel part 84 design have to A few service duct 126 is used to supply first pressure room 94 with pressure medium.Furthermore it is provided at least one service duct 128 For supplying first pressure balance cylinder 100 with oil or centrifugal oil.Furthermore at least one is provided in the second hub portion 86 Service duct 130 is used for pressure medium, preferably with oil, supplies second pressure room 98, wherein realizing the second hub portion In service duct 130 and in fluidly connecting in first wheel part 84 or between at least one service duct 132 at place In the case of, the first and second hub portions 84,86 are fastened to upper each other or are plugged in together.

At least one overflow ducts 134 is additionally provided in the second hub portion 86, wherein overflow ducts 134 are in axial direction 12, it on 14 and is parallel to the axial rotaries 24 of double arrangement of clutch 2 and extends.Overflow ducts 134 are on axial 14 to first pressure Balance cylinder 100 is open, so that the oil from first pressure balance cylinder 100 can be flowed out on axial 12 by overflow ducts 134, and And therefore the height of the centrifugation oil column in first pressure balance cylinder 100 is previously given.Overflow ducts 134 are on radial 18 Extended up to below second pressure room 98 in the case where around second pressure room 98 one placed on radial 12 exit mouth Portion (Austrittsm ü ndung) 136.From exiting oral area 136, the oil come out from first pressure balance cylinder 100 can be in radial direction Be guided outward on 16, and therefore in order to purpose that is cooling and lubricating not only be sent into the first clutch arrange 42 be also sent into second from It closes and arranges 44.Furthermore second pressure balance cylinder 102 can also be admitted to from the oil for exiting the appearance of oral area 136.Then in the second wheel Be additionally provided with a balance channel 138 in hub portion 86, the balance channel and overflow ducts 134 on the contrary, substantially radial 16, Extend on 18.By exiting oral area 136, therefore the oil occurred from first pressure balance cylinder 100 can not only pass through balance channel 138 are sent into second pressure balance cylinder 102, but also can be sent into clutch arrangement 42 and 44 for purpose that is cooling and lubricating. Alternatively, overflow ducts 134 directly can also exit oral area with it and be open to second pressure balance cylinder 102, wherein from second The oil or centrifugal oil that pressure equalizing chamber 102 occurs are subsequent to cooling or/and lubrication purpose is admitted to the two clutch arrangements 42,44.In other words, it substitutes and implements in variant at this, overflow ducts 134 are simultaneously designed as second pressure balance cylinder 102 balance channel 138, wherein a corresponding overflow ducts for second pressure balance cylinder 102 may be arranged in for example In limit wall 114, between limit wall 114 and the second hub portion 86 or in the second hub portion 86.

Other feature and advantage of double arrangement of clutch 2 will be by means of being described below to install double arrangement of clutch 2 One embodiment of method and become obvious.

The first wheel part 84 of clutch supporting wheel hub 56 is then provided first.Then sync section 108 will be rotated in axis It is pushed to or is plugged on first wheel part 84 on to 14, until reaching its fastening position shown in the figure, in the position Middle rotation sync section 108 is supported on the prominence of a radial direction of first wheel part 84 on axial 14.It is synchronized in rotation Anti-rotational connection between part 108 and first wheel part 84 can be nibbled for example by a kind of pressure cooperation, a kind of grafting It closes or/and is carried out by welding, wherein the connection should be designed to sealing, to avoid letting out from first pressure room 94 Leakage.Then limit wall 110 is pushed to or is plugged on first wheel part 84 in identical axial direction 14, until reach its It is shown in figure rotation sync section 108 fastening position in.In this case, in the portion synchronous with rotation of limit wall 110 Connection between points 108 can also be carried out by squeezing, welding etc..Alternatively, limit wall 110 is being pushed or is being inserted It is secured to before connecing rotation sync section 108 at rotation sync section 108, so that sync section 108 and limit wall will be rotated 110 are pushed to or are plugged on first wheel part 84 on axial 14 with being combined.

Then the first actuating piston 92 is pushed to or is plugged on first wheel part 84 in identical axial direction 14, directly Its expected position is reached, the first actuating piston 92 is on the piston leading guide face 120 of first wheel part 84 on the position It can be pushed and hermetically be guided.

Then a module is placed at first wheel part 84, which at least has 86 He of the second hub portion First outer clutch plate rack 50, herein there are also the second outer clutch plate rack 64, which preferably passes through welding fastening At the second hub portion 86.Such module may at least have first wheel part in the embodiment shown 84, the first outer clutch plate rack 50 keeps the support section 54 and the second outer clutch-plate of section 52 and radial direction together with clutch-plate Bracket 64 keeps section 66 and radial support section 68 together with clutch-plate, and the support section is by the first outer clutch plate rack 50 The second radial segment 60 formation of radial support section 54.However the module should be wrapped additionally in the implementation variant shown in Include the second actuating piston 96, limit wall 114 and at least one reset spring 118.Then the second actuating piston 96 is existed first It is plugged into or is pushed on the second hub portion 86 on axial 14, until reaching its position shown in the figure, on the position Second actuating piston 96 can be pushed along piston leading guide face 122 and hermetically be guided.Then, in limit wall 114 by means of insurance Before ring 116 is fixed at the second hub portion 86 on axial 12, limit wall 114 is pushed to or is plugged on axial 14 It on second hub portion 86, and is under the intermediary of at least one reset spring 118.Then by this knockdown module It is installed by the second hub portion 86, the component part of the module, i.e. the second hub portion 86, the first outer clutch plate rack 50, the second outer clutch plate rack 64, second activates piston 96, at least one reset spring 118 and limit wall 114, in the mould It is designed to releasably be combined in the frame of block.More precisely, the second hub portion 86 of the module with rotation Turn to be plugged into or be pushed to first wheel in sync section 108, limit wall 110 and the first actuating identical axial direction 14 of piston 92 On part 84, under the background of grafting or promotion or then to realize the first wheel part 84 and the in join domain 88 The anti-rotational connection of one kind of two hub portions 86.

However, as have been shown, which can also only have the second hub portion 86 and the two outer clutch-plate branch At least one of frame 50 and 64, wherein the second actuating piston 96, limit wall 114 and at least one reset spring 118 are then By grafting or the second hub portion must be pushed to after pushing by the second hub portion 86 or being plugged into first wheel part 84 Divide on 86.

The clutch that clutch plate rack 70 in second can be directed to while be generated in identical axial direction 14 later supports Near wheel hub 56, so that subsequently the second clutch-plate group 48 of the second clutch arrangement 44 is introduced.After this is obtained, it can incite somebody to action Clutch plate rack 62 is directed near clutch supporting wheel hub 56 in identical axial direction 14 in first, so as to subsequently by first from It closes and 42 the first clutch-plate group 46 is arranged to introduce.Then by synchronizer disk 74 and clutch input hub 8 be combined identical It is directed near the first outer clutch plate rack 50 to work as the input side of double arrangement of clutch 2 on axial 14, to cause Rotation synchronized links having been mentioned above, between synchronizer disk 74 and the first outer clutch plate rack 50, and pass through by Relieving ring 78 is placed in clutch-plate on axial 12 and keeps fixing synchronizer disk 74 on axial 12 at section 52.

In order to close moist chamber 32 or case of transmission cover 28, case of transmission lid 30 can then be guided on axial 14 It is fastened thereon nearby and (preferably hermetically) to case of transmission cover 28, wherein this wears by the guidance of clutch input hub 8 It is carried out in the case where the central opening 80 crossed in case of transmission lid 30.

As can be seen from Fig., the second hub portion 86 is preferably plugged in together with first wheel part 84 as follows Or be pushed to or be plugged on first wheel part 84 on axial 14 as follows, so that the second hub portion 86 is at it in axis First wheel part 84 is passed through in fastening position on to 12 at the first wheel part 84 and prominent.By this method, on the one hand The limit of second pressure room 98 and second pressure balance cylinder 102 can be on radial 18 inward through the of the one piece design Two hub portions 86 carry out.And on the other hand, one is provided in the end surface side of the direction axial 12 of clutch supporting wheel hub 56 Recess 140, the recess on radial 16 outward by the second hub portion 86 but not by the limit of first wheel part 84, and Section built in the radial direction of inside clutch plate rack 62 and 70 extends, while reducing axial structure length in this region. From this figure it can be seen that an axial section of at least one 138 preferred design of balance channel in the second hub portion 86 In, the axial section outside recess 140 of the end surface side in limit clutch supporting wheel hub 56 on radial 16；And overflow ducts 134 substantially extend within the following axial section of the second hub portion 86, and the axial section is on radial 16,18 with the One hub portion 84 nestedly arranges.

Compensatoryly, it is also noted that these channels mentioned above, that is, service duct 128,130,132, overflow are logical Road 134 and balance channel 138, are preferably designed for the hole in corresponding hub portion 84 or 86, rather than milling part.

Then the another embodiment of double arrangement of clutch 2, the embodiment and embodiment party shown in figure is further described Formula is substantially similar.Then, such as can be set a third hub portion, the third hub portion third hub portion with First wheel is fastened in the case where forming multiple service ducts 126,128,132 between first wheel part 84 At part 84, and particularly preferably nestedly arranged on radial 16,18 with first wheel part 84.Therefore, service duct 126,128,132 may be at first wheel part 84 but not at service duct wherein.With reference to attached drawing, third hub portion Dividing can be by arranging below separator bar 142 shown in the figure, first wheel part 84 section to be formed on radial 18.This A third hub portion may be in the case where generating service duct 126,128 and 132 in one of these axial directions 12,14 On be pushed into or be pressed into first wheel part 84, the present first wheel part may only by separator bar 142 except Region on radial 16 is formed.It is also possible to significantly in such implementation variant, there is first wheel now The clutch supporting wheel hub 56 of part 84, the second hub portion 86 and third hub portion mentioned above passes through third hub portion Transverse bearing arrangement 90 between is sustainable or is supported at the second transmission input shaft 36.Third hub portion into And can be a casting or/and turning part, however theoretically herein it can also be envisaged that a sheet metal or/and pipe fitting.

Reference number inventory

2 pairs of arrangement of clutch

4 driving units

6 speed changers

8 clutch input hubs

10 rotate synchronous profile

12 is axial

14 is axial

16 is radial

18 is radial

20 circumferencial directions

22 circumferencial directions

24 rotation axis

26 case of transmission

28 case of transmission covers

30 case of transmission lids

32 moist chambers

34 first transmission input shafts

36 second transmission input shafts

38 driving wheels

40 attachment devices

42 first clutch arrangements

44 second clutch arrangements

46 first clutch-plate groups

48 second clutch-plate groups

50 first outer clutch plate racks

52 clutch-plates keep section

54 radial support sections

56 clutch supporting wheel hubs

58 first radial segments

60 second radial segments

Clutch plate rack in 62 first

63 first clutch output hubs

64 second outer clutch plate racks

66 clutch-plates keep section

68 radial support sections

Clutch plate rack in 70 second

72 second clutch output hubs

74 synchronizer disks

76 rotate synchronous profile

78 relieving rings

80 openings

82 sealing elements

84 first wheel parts

86 second hub portions

88 join domains

90 transverse bearing arrangements

92 first actuating pistons

94 first pressure rooms

96 second actuating pistons

98 second pressure rooms

100 first pressure balance cylinders

102 second pressure balance cylinders

104 actuating sections

106 cavern parts

108 rotation sync sections

110 limit walls

112 rotate synchronous profile

114 limit walls

116 relieving rings

118 reset springs

120 piston leading guide faces

122 piston leading guide faces

124 rotational paths

126 service ducts

128 service ducts

130 service ducts

132 service ducts

134 overflow ducts

136 exit oral area

138 balance channels

The recess of 140 end surface sides

142 separator bars

d₁Internal diameter

d₂Internal diameter

Claims

1. a kind of double clutches dress for being arranged in the power train of motor vehicles between driving unit (4) and speed changer (6) Set (2), double arrangement of clutch have be associated with a first clutch arrangement (42) of first transmission input shaft (34) with And it is associated with a second clutch arrangement (44) of second transmission input shaft (36), which is used at this Torque transmitting is selectively carried out between driving unit (4) and first transmission input shaft (34), which uses In selectively carrying out torque transmitting between the driving unit (4) and second transmission input shaft (36), which is characterized in that It is provided with a clutch supporting wheel hub (56), the clutch supporting wheel hub is by least one first wheel part (84) and one second Hub portion (86) is combined into.

2. double arrangement of clutch (2) according to claim 1, which is characterized in that second hub portion (86) is in radial direction With the first wheel part (84) be on (16,18) nestedly arrange or/and on axial direction (14) with the first wheel part (84) it is plugged in together or/and is fastened at the first wheel part (84).

3. double arrangement of clutch (2) according to claim 1 or 2, which is characterized in that the first clutch arrangement (42) by means of Be associated with a first pressure room (94) at least one can hydraulic-driven first actuating piston (92) but it is activatable, and And the second clutch arrangement (44) by means of be associated with a second pressure room (98) at least one can hydraulic-driven second Activate piston (96) but activatable.

4. double arrangement of clutch (2) according to claim 3, which is characterized in that first and second hub portion (84,86) In the first pressure room (94) internal diameter (d different with second pressure room (98) formation₁, d₂) in the case where fasten or can It is fastened on each other.

5. double arrangement of clutch (2) according to claim 3, which is characterized in that this first actuating piston (92) and this second Hub portion (86) or/and a first limit wall (110) for the limit first pressure room (94), in identical axial direction (14) it is plugged into or is pushed on the first wheel part (84).

6. double arrangement of clutch (2) according to claim 3, which is characterized in that the setting in second hub portion (86) Have,

At least one service duct (130) is for for should second pressure room (98), wherein first and second hub portion (84,86) it fastens or can be fastened on each other,

Or/and at least one overflow ducts (134) can be such that oil flows from first pressure balance cylinder (100) by the overflow ducts Out or/and oil can be sent into second pressure balance cylinder (102),

Or/and at least one balance channel (138) should second pressure balance cylinder (102) to be used for confession.

7. double arrangement of clutch (2) according to claim 6, which is characterized in that the first and second clutches arrangement (42,44) With a first and second clutch-plate groups (46,48), wherein this first or/and one of the second clutch arrangement (42,44) Outer clutch plate rack (50,64) is fastened or/and first and second actuating piston (92,96) is pacified relative to axial direction (12,14) Row.

8. double arrangement of clutch (2) according to claim 7, which is characterized in that second hub portion (86) has one Piston leading guide face (122), second actuating piston (96) can push ground or/and hermetically be guided along the piston leading guide face；Or/ Second hub portion is fastened to a second limit wall (114) for the limit second pressure balance cylinder (102) (86) at, wherein the second limit wall (114) is fastened at second hub portion (86).

9. double arrangement of clutch (2) according to claim 8, which is characterized in that second hub portion (86) and this it is outer from It closes plate rack (50,64) and forms a module, can be fastened to the module combined type by second hub portion (86) or tight Gu wherein second hub portion (86) and the outer clutch plate rack (50,64) can loosen at the first wheel part (84) Ground is combined.

10. double arrangement of clutch (2) according to claim 1, which is characterized in that the clutch supporting wheel hub (56) by this One hub portion (84) can support or be supported at a fixed shell or first speed changer is defeated on radial direction (18) Enter one of axis (34) and second transmission input shaft (36) place.

11. double arrangement of clutch (2) according to claim 1, which is characterized in that first and second hub portion (84, 86) it separately designs for single-piece or/and is designed as casting or/and turning part.

12. double arrangement of clutch (2) according to claim 7, which is characterized in that being provided with one can cither indirectly or directly join Connect or be connected in the clutch input hub (8) at a driven shaft of the driving unit (4), the clutch input hub with should be from It closes supporting wheel hub (56) and is in rotation synchronized links.

13. double arrangement of clutch (2) according to claim 2, which is characterized in that second hub portion (86) is by means of inserting Connect engagement, pressure cooperation or/and by being weldingly secured at the first wheel part (84).

14. double arrangement of clutch (2) according to claim 2, which is characterized in that second hub portion (86) is hermetically tight Gu at the first wheel part (84).

15. double arrangement of clutch (2) according to claim 3, which is characterized in that first actuating piston (92) is associated with one A first pressure balance cylinder (100) or/and this second actuating piston (96) be associated with a second pressure balance cylinder (102) so as to Realize centrifugal oil balance.

16. double arrangement of clutch (2) according to claim 4, which is characterized in that the first pressure room (94) has a ratio Smaller internal diameter (the d in the second pressure room (98)₁) or/and the first pressure room (94) on radial direction (18) by the first round hub Point (84) limit and the second pressure room (98) are on radial direction (18) by the second hub portion (86) limit.

17. double arrangement of clutch (2) according to claim 5, which is characterized in that there are one in the clutch support wheel Realize the rotation sync section (108) of rotation synchronized links in identical axial direction between hub (56) and an attachment device (40) (14) it is plugged into or is pushed on the first wheel part (84).

18. double arrangement of clutch (2) according to claim 17, which is characterized in that the first limit wall (110) can fasten or It is fastened at the rotation sync section (108).

19. double arrangement of clutch (2) according to claim 5, which is characterized in that this first actuating piston (92) and this second Hub portion (86) or/and the first limit wall (110) be plugged on identical axial direction (14) with given sequence or It is pushed on the first wheel part (84).

20. double arrangement of clutch (2) according to claim 6, which is characterized in that in realizing second hub portion (86) Service duct (130) and in the first wheel part (84) or place at least one service duct (132) between fluid In the case where connection, which fastens or can be fastened on each other.

21. double arrangement of clutch (2) according to claim 6, which is characterized in that the overflow ducts (134) are parallel to this pair The rotation axis (24) of arrangement of clutch (2) extends.

22. double arrangement of clutch (2) according to claim 7, which is characterized in that the first and second clutch-plate groups (46,48) It is nestedly arranged on radial direction (16,18).

23. double arrangement of clutch (2) according to claim 7, which is characterized in that outer clutch plate rack (50,64) is fastened on At second hub portion (86).

24. double arrangement of clutch (2) according to claim 7, which is characterized in that outer clutch plate rack (50,64) is by being somebody's turn to do The support section (54,68) of one radial direction of outer clutch plate rack (50,64) fastens.

25. double arrangement of clutch (2) according to claim 7, which is characterized in that this first and second actuating piston (92, 96) the support section (54,68) of a radial direction of the outer clutch plate rack (50,64) is arranged in relative to axial direction (12,14) On side away from each other.

26. double arrangement of clutch (2) according to claim 24, which is characterized in that first actuating piston (92), which has, to be caused Dynamic section (104), these actuating sections are on axial direction (12) across the radial support section in the outer clutch plate rack (50) (54) multiple cavern parts (106) in extend.

27. double arrangement of clutch (2) according to claim 8, which is characterized in that the second limit wall (114) this second Limit wall (114) and this second actuating piston (96) between a reset spring (118) intermediary under be fastened to this second At hub portion (86).

28. double arrangement of clutch (2) according to claim 8, which is characterized in that the second limit wall (114) is releasably It is fastened at second hub portion (86).

29. double arrangement of clutch (2) according to claim 8, which is characterized in that the second limit wall (114) is by means of one A relieving ring (116) is fastened at second hub portion (86).

30. double arrangement of clutch (2) according to claim 9, which is characterized in that second hub portion (86) and this it is outer from Close plate rack (50,64) and this second actuating piston (96) and for the limit second pressure balance cylinder (102) this second Limit wall (114) forms module with being connected.

31. double arrangement of clutch (2) according to claim 30, which is characterized in that the second limit wall (114) this second Limit wall (114) and this second actuating piston (96) between a reset spring (118) intermediary under be fastened to this second At hub portion (86), and second hub portion (86) and the outer clutch plate rack (50,64) and the reset spring (118) Form module with being connected.

32. double arrangement of clutch (2) according to claim 9, which is characterized in that second hub portion (86) and this it is outer from Close plate rack (50,64) and this second actuating piston (96) and for the limit second pressure balance cylinder (102) this second Limit wall (114) fenaminosulf that is connected is combined dynamicly.

33. double arrangement of clutch (2) according to claim 32, which is characterized in that the second limit wall (114) this second Limit wall (114) and this second actuating piston (96) between a reset spring (118) intermediary under be fastened to this second At hub portion (86), and second hub portion (86) and the outer clutch plate rack (50,64) and the reset spring (118) The fenaminosulf that is connected is combined dynamicly.

34. double arrangement of clutch (2) according to claim 9, which is characterized in that second hub portion (86) and this it is outer from Closing plate rack (50,64) can loosely be combined in the module.

35. double arrangement of clutch (2) according to claim 10, which is characterized in that the clutch supporting wheel hub (56) passes through one A rolling bearing arrangement or sliding bearing arrangement between is sustainable or is supported at a fixed shell or described One of first transmission input shaft (34) and second transmission input shaft (36) place.

36. double arrangement of clutch (2) according to claim 10, which is characterized in that first transmission input shaft (34) is worn Cross second transmission input shaft (36) extension.

37. double arrangement of clutch (2) according to claim 10, which is characterized in that this to be supported on second speed changer defeated Enter and is carried out at axis (36).

38. double arrangement of clutch (2) according to claim 11, which is characterized in that it is provided with a third hub portion, The case where service duct (126,128,132) between are formed between the third hub portion and the first wheel part Under, which is fastened at the first wheel part, and passes through the third hub portion, the clutch supporting wheel hub (56) it can support or be supported.

39. double arrangement of clutch (2) according to claim 38, which is characterized in that the third hub portion and the first round Hub portion arranges radially nestedly.

40. double arrangement of clutch (2) according to claim 38, which is characterized in that pass through the third hub portion, the clutch Supporting wheel hub (56) is sustainable or is supported at first transmission input shaft (34) or second transmission input shaft (36).

41. double arrangement of clutch (2) according to claim 12, which is characterized in that the clutch input hub (8) and the clutch The second hub portion (86) of supporting wheel hub (56) is in rotation synchronized links.

42. double arrangement of clutch (2) according to claim 12, which is characterized in that the clutch input hub (8) and the clutch Supporting wheel hub (56) is by the outer clutch plate rack (50,64) and in rotation synchronized links.

43. a kind of method for installing double arrangement of clutch (2) described in any one of -42 according to claim 1 has following Method and step

One first wheel part (84) of one clutch supporting wheel hub (56) is provided,

One first actuating piston (92) of one the first clutch arrangement (42) is pushed on a first axis (14) or It is plugged on the first wheel part (84), and

One the second hub portion (86) of one module is pushed to or is plugged into the first round in the first axis (14) On hub portion (84), the module have the clutch supporting wheel hub (56) the second hub portion (86) and one be fastened on this second Outer clutch plate rack (50,64) at hub portion (86), the pressure for being associated with the second actuating piston (96) for one Second limit wall (114) of balance cylinder.

44. according to the method for claim 43, having method and step additionally below

Before promotion or grafting first actuating piston (92), one is used for attached in the clutch supporting wheel hub (56) and one Realization rotates the rotation sync section (108) of synchronized links between feeder apparatus (40) or/and one is associated with for limit one This first actuating piston (92) first pressure room (94) the first limit wall (110) be pushed in the first axis (14) or It is plugged on the first wheel part (84).

45. according to the method for claim 43, which is characterized in that the module is also used for a second clutch arrangement (44) One second actuating piston (96).

46. according to the method for claim 43, which is characterized in that the module has a reset spring (118).

47. according to the method for claim 44, which is characterized in that the first limit wall (110) is fastened or is fastened on At the rotation sync section (108).