WO2014183757A1 - Mehrscheibenkupplung - Google Patents
Mehrscheibenkupplung Download PDFInfo
- Publication number
- WO2014183757A1 WO2014183757A1 PCT/DE2014/200171 DE2014200171W WO2014183757A1 WO 2014183757 A1 WO2014183757 A1 WO 2014183757A1 DE 2014200171 W DE2014200171 W DE 2014200171W WO 2014183757 A1 WO2014183757 A1 WO 2014183757A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure plates
- pressure
- plate
- lever
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
- F16D13/385—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs double clutches, i.e. comprising two friction disc mounted on one driven shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
Definitions
- the invention relates to a multi-plate clutch with a plurality of rotatably interconnected and axially mutually limited movable arranged pressure plates and arranged between two pressure plates friction plates and a pressure plates and friction plates between an open state and a closed state of the multi-plate clutch controllable against an abutment axially biasing element.
- Multi-plate clutches are provided in drive trains of motor vehicles, where high torques are to be transmitted in tight spaces.
- a plurality of axially adjacent, parallel-connected friction engagement surfaces smaller diameter are provided instead of a arranged on a large diameter friction engagement surface.
- two axially spaced clutch plates are provided in dry-operated multi-plate clutches, which are arranged between three axially by means of a plate or lever spring against each acted upon pressure plates and form a friction engagement with these biased by the plate spring.
- a dry-operated multi-disc clutch is known in which against a fixed counter-pressure plate two axially displaceable pressure plates are clamped by means of a disc spring.
- the pressure plates are each rotatably connected to each other by means of radially outwardly arranged over the circumference leaf springs and the counter-pressure plate. These require additional radial space.
- the axial relative displacements of the two axially displaceable pressure plates must be adjusted by means of a coupling of the leaf springs so that the pressure plate further away from the counter-pressure plate is displaced by twice the distance from the pressure plate adjacent the counter-pressure plate during actuation operations of the multi-plate clutch.
- a wet clutch in the form of a multi-plate clutch in which axially alternately layered lamellae each are rotatably received in an input and outer disk carrier and are axially braced by an arm against an abutment.
- the input and output side plates can form drag torques. Furthermore, can a gearing rattle occur at a necessary clearance between slats and disc carriers.
- the object of the invention is the advantageous development of a wet or dry formed multi-disc clutch with a radially efficiently exploited space and a seized Abhub the pressure plates in the open state.
- Rotation stop prevents spring elements from jumping out during assembly
- Spacing unit adjusts itself (positioning the middle pressure plate in the middle of the package),
- the mechanism can additionally generate friction to prevent gagging rattle.
- the operating principle of a spacing unit is based on a scissors mechanism or joint mechanism.
- the pressure plates are spaced by means of levers articulated on the middle pressure plate against each other.
- the multi-disc clutch includes a plurality of rotatably interconnected and axially mutually limited movable pressure plates and arranged between two pressure plates friction plates and a pressure plates and friction plates between an open state and a closed state of the multi-plate clutch controllable against an abutment axially biasing element.
- the open state several pressure plates of at least one counter to the action of a spring device rotatably biased lever of a arranged on a pressure plate spacing device are controlled away axially controlled distance.
- One of the pressure plates preferably serves as a counter-bearing firmly recorded counter-pressure plate, against which the other pressure plates are clamped axially by the element to form a frictional engagement with the friction plates.
- the pressure plates can be rotatably and axially displaceable connected to each other in the sense of a conventional dry friction clutch by means of leaf springs with each other and / or a housing.
- the pressure plates may be rotatably and axially displaceable received in a plate carrier forming the abutment.
- a pressure plate fixed for example, be integrally connected to the plate carrier, two more pressure plates are arranged relative to this displaceable and the spacing device is arranged on the middle of these pressure plates and by means of which these preferably by half the way of the firmly recorded pressure plate more distant pressure plate relative to the fixed pressure plate is displaced when the multi-plate clutch is opened.
- second - a firmly recorded and a relation to this displaceable pressure plate - pressure plates arranged axially and the spacing device bearing pressure plate referred to as the first pressure plate.
- the spacing device has a carrier part, for example a carrier plate stamped and shaped from sheet metal, which engages on its outer circumference, for example, clipped or otherwise preferably firmly taken while avoiding foreign parts and use of integrally molded holding elements.
- a carrier part for example a carrier plate stamped and shaped from sheet metal, which engages on its outer circumference, for example, clipped or otherwise preferably firmly taken while avoiding foreign parts and use of integrally molded holding elements.
- the at least one counter to the action of a spring means biased lever is received by means of a rotary joint on the support member and the two lever arms of at least one lever clamp each adjacent an adjacent second pressure plate axially, so that a relative displacement of the three pressure plates against each other preferably by equal distances. Due to the bias of both pressure plates by means of at least one rigid lever, a dependent on a lever length of the two lever arms dependent Beabs- tandung the applied pressure plates according to the aspect ratio of the lever arms forcibly and reproducibly.
- the lever arms are the same length. It is understood that with an axially firmly received second pressure plate, this remains axially fixed and accordingly the middle, first pressure plate is displaced by a length amount and the axially displaceable second pressure plate by a double length compared to the axially fixed pressure plate.
- the spring device can be formed from one or more spring elements.
- Spring elements may be, for example, coil springs such as compression and / or tension springs, leaf springs, strip springs and / or spring strips and combinations thereof.
- a preferably equal distance between all of distance-controlled distance of the pressure plates can be adjusted with a multi-disc clutch open.
- two levers can be interconnected in a crosswise articulated manner and provided on a central pressure plate, wherein opposite lever arms of the levers each apply a second pressure plate.
- a lever arm acts on a pressure plate, so that each pressure plate is pretensioned by two lever arms of two levers that stabilize each other as a result of their support on a rotary joint.
- two lever arms arranged on the same side of the first pressure plate can be tensioned by means of the spring device and / or two on opposite sides of the first Press plate arranged lever arms to be claimed pressure.
- a spacing device is provided with a fixed bearing for the lever on a central pressure plate.
- a spacing device with a fixed bearing can be provided on an end-side pressure plate, wherein an axially adjacent and a press plate next to each have a movable bearing and between the fixed bearing and the first movable bearing of the adjacent pressure plate and the two movable bearings are each arranged a rigid lever.
- Spacing device to prevent this by decreasing tension may be arranged on the spacer a issued example of the support member and / or the at least one lever stop for limiting a rotation angle of the at least one lever relative to the support member and / or a plurality of levers between them.
- a minimum distance between the pressure plates can be specified by means of the spacing device so that they prevent further wear in the worn state of the friction linings provided between the pressure plates.
- the spacing device preferably the carrier part, forms an axial wear stop between the second pressure plates and the first pressure plate by means of a correspondingly formed axial width.
- the fixed bearing a spacing device can be set loose during assembly.
- a stratification of the respective pressure plates and friction linings is compressed axially and set the bearing on its ideal position by, for example, the support member is brought axially opposite to this receiving pressure plate axially in an ideal position and fixed there axially.
- FIG. 1 shows a section through the upper part of a rotatable about an axis of rotation
- FIG. 2 is an oblique view of the multi-plate clutch of FIG. 1,
- FIG. 6 shows a view of the spacing device of FIGS. 1 and 2 from radially outside
- FIG. 7 shows a view of the spacing device of FIGS. 1 and 2 from radially inside
- FIG. 8 shows a spacing device provided with compression springs
- FIG. 9 shows a tensioning device provided with tension springs
- FIG. 10 shows a spacing device provided with a single lever and a compression spring
- FIG. 11 shows a spacing device provided with a single lever and two compression springs
- FIG. 12 shows a spacing device similar to the spacing device of FIGS. 6 and 7 with an axial wear stop and a rotational stop in a view from radially outside
- FIG. 13 shows the spacing device of FIG. 12 in a view from radially inside
- Figure 14 shows a detail of the multi-plate clutch of Figure 1 in section with a means
- FIG. 15 shows a detail of the multi-plate clutch of FIG. 1 in section with a spacing device clamped on a pressure plate by means of flared warts at the wear end of the multi-plate clutch,
- FIG. 16 shows a section through the upper half of the multi-plate clutch of FIG. 1 in the worn state
- FIG. 17 shows the multi-plate clutch in the worn state with a view from radially outside
- FIG. 18 shows a section through the upper half of the multi-plate clutch of FIG. 1 when new
- 19 shows the multi-plate clutch in the new state with view from radially outside
- FIG. 20 shows the upper half of the multi-plate clutch during assembly without a final pressure plate when the pressure plate carrying the spacing device is inserted.
- FIG. 21 shows the multi-plate clutch in the mounting state shown in FIG. 20 in the view
- FIG. 22 shows the upper half of the pressure plate with the spacing device in front of
- Figure 23 shows a detail of the pressure plate of Figure 22 in view.
- FIGS 1 and 2 show in the synopsis about the rotation axis d rotatable multi-plate clutch 1 in section or in view.
- the multi-plate clutch 1 has the plate carrier integrally formed, for example, sheet metal 2 as plate carrier, which is rotatably received by means of the bearing 3 on a transmission input shaft, not shown, and fixedly connected to a crankshaft of an internal combustion engine.
- the pressure plates 5, 6, 7 such as steel plates rotatably and axially displaceable added. Between the pressure plates 5, 6, 7, the clutch plates 8, 9 are arranged.
- the friction linings 10, 1 1 of these form an axial contact with the pressure plates 5, 6, 7, a frictional engagement with these and transmit the registered by the crankshaft torque to the transmission input shaft.
- the two clutch plates 8, 9 are rotationally coupled to each other radially outside of the torsional vibration damper 12 by means of the splines 14, so that only the clutch disc 8 by means of the hub 13 is rotationally connected to the transmission input shaft and carries the torsional vibration damper 12.
- a layered mounting of the pressure plates 5, 6, 7 and the clutch plates 8, 9 is made possible by the formation of the spline 14 during assembly. It is understood that the clutch disc 8 may be formed without torsional vibration damper 12.
- the pressure plate 5 abuts axially on the abutment 15 formed by the plate support 2, the pressure plate 7 is acted upon axially by the element 16.
- the element 16 is supported against the action of the plate spring 17 on the plate carrier 2, so that the multi-disc clutch 1 is closed by the element 16 is clamped against the abutment 15, so that the pressure plates 5, 6, 7 and the clutch plates 8, 9 opposite nander axially braced. It is therefore a compressed multi-plate clutch 1.
- the spacing means 18 is fixedly arranged radially on the outside of the middle pressure plate 6.
- the Beabstandungseinnchtung 18 is radially housed within the profiling such as external teeth 4 of this purpose cut pressure plate 6, so that no additional radial space for these must be provided.
- a single or multiple spacing means 18 distributed over the circumference may be provided over the circumference.
- the spacing device 18 is formed from the carrier part 19 fixedly connected to the pressure plate 6 and the levers 21, 22 connected by the hinge bearing 20.
- the mutually rotatably received on the support member 19 levers 21, 22 are clamped against each other by means of the spring means 23, so that by means of their equal here long lever arms 24, 25, 26, 27, the pressure plates 5, 7 forcibly by the same amount relative to the pressure plate 6 shift as soon as the relaxing when opening the multi-plate clutch 1 disc spring 17 releases a displacement of the pressure plate 7.
- the pressure plate 5 fixedly arranged on the abutment 15 the pressure plate 6 displaces under the action of the spring device 23 with respect to this by a predetermined amount by which the pressure plate 7 is also displaced relative to the pressure plate 6.
- the pressure plate 7 shifts relative to the pressure plate 5 by twice the amount.
- the friction linings 10, 1 1 are evenly relieved when opening the multi-plate clutch, so that no one-sided wear this takes place. It is understood that when using multiple pressure plates, for example in the form of thinner stacked steel discs such as slats or the like, several axially adjacent to each other on steel discs, for example, attached to every second pressure plate Beabstandseinnchtitch can be provided in this way.
- FIGS. 3 to 5 represent schematically advantageous embodiments of the pressure plates 5, 6, 7 forcibly spaced spacing means 18, 18a, 18b.
- FIG. 3 according to FIGS. 1 and 2, two on the pivot bearing 20 are crosswise against each other rotatable lever, namely lever 21 with the lever arms 24, 25 and lever 22 with the lever arms 26, 27 are provided.
- lever 21 with the lever arms 24, 25 and lever 22 with the lever arms 26, 27 are provided.
- Figure 2 In a bracing of the levers 21, 22 against each other by means of the spring device 23, not shown ( Figure 2) are the rigid formation of the lever arms 24, 25, 26, 27, respectively, the adjacent pressure plates 5, 6, 7 in equal amounts spaced from each other.
- an axial loading according to the figures 1 and 2 can also be effected by means of an axially preloaded contact system.
- the spacing device 18b may also be provided on the pressure plate 5, wherein this forms a fixed bearing, so that due to the rotationally fixed arrangement of the pressure plates
- Figures 6 and 7 show the spacing device 18 of Figures 1 and 2 in from above ( Figure 6) and from below ( Figure 7).
- the spherical bearing 20 for example, in the form of a bolt or rivet connection firmly recorded.
- the support member 19 has clamping wings 28 for locking or jamming with the pressure plate 6 ( Figure 1).
- the issued Abstandszept 30 limit a rotation of the spacer 18 relative to the pressure plate
- the levers 21, 22 are rotatably received on the pivot bearing 20.
- the lever arms 24, 25, 26, 27 of the levers 21, 22 each have a notch 31 as an undercut for fixing the leaf springs 29 and a contact surface 32 for contact with the pressure plates 5, 7 ( Figure 1).
- the spring device 23 and the abutment surfaces 32 form compared to the coupled pressure plates 5, 6, 7, a vibration damping device with energy storage and friction surfaces, so that rattling of the pressure plates 5, 6, 7 in the external teeth 4 ( Figure 1) effectively prevented or at least reduced
- FIGS. 8 to 11 show the spacing device 18c, 18d, 18e, 18f changed from the spacing device 18 of FIGS. 6 and 7 in a view from below.
- the spacing device 18c is formed with the spring device 23c containing the compression springs 29c.
- the lever arms 24c, 26c and 25c, 27c of the lever 21c, 22c opposite to the support part 19c, which are opposite to the support part 19c, are biased against each other by means of the compression springs 29c.
- FIG. 9 shows the spacing device 18d equipped with the levers 21d, 22d with the spring device 23d.
- the support member 19e has axially on both sides on the pressure plate also extended wings 33g, which limit a distance of the pressure plates 5, 6, 7 ( Figure 1) to a minimum. In this way, a wear stop of the pressure plates is set against each other, so that when worn friction linings a frictional contact of the carrier plates, rivets and the like of the clutch plates is avoided with the friction surfaces of the pressure plates.
- the spacing device 18g has the rotation safeguard 34g provided between the levers 21g, 22g in order to prevent complete relief of the leaf springs 29 and thus their loss before assembly of the pressure plates 6, 7 in the plate carrier 2 (FIG. 1).
- the anti-rotation 34g is provided by an axially with respect to the axis of the joint bearing 20g overlapping molding of the two provided on each of a lever 21 g, 22g stops 35g, 36g.
- FIG. 14 shows a detail of the multi-plate clutch 1 with the pressure plates 5, 6, 7 in section with the spacing device 18g with wings 33g resting on the pressure plates 5, 7 with the clutch plates omitted and thus with minimal axial distance between the pressure plates 5, 6, 7.
- the carrier part 19g is frictionally received on the pressure plate 6 by means of the clamping wings 28g.
- the spacing device 18g is received sunk in a radially correspondingly formed recess.
- FIG. 15 shows a detail of the multi-plate clutch 1 corresponding to FIG. 14 with the spacing device 18h slightly changed with respect to the spacing device 18g, in which warts 37h provided on the clamping wings 28h of the carrier part 19h are provided, which engage with the pressure plate 6 or form fit into it engage embossed impressions.
- Figures 16 and 17 show in partial section and in view the multi-plate clutch 1 in the indicated state worn friction linings 10, 1 1 with a minimum spacing of the pressure plates 5, 6, 7 to each other with closed multi-plate clutch 1.
- Figures 18 and 19 show the multi-plate clutch 1 in new condition Depending on the wear of the friction linings 10, 1 1, the levers 21, 22 of the spacing device 18 with closed multi-disc clutch 1 different degrees against the not visible here spring device 23 ( Figures 6, 7) rotated, the spacing of the pressure plates 5, 6, 7 nevertheless takes place uniformly within the framework of the total distance available during the opening or opening of the multi-disc clutch 1, which is predetermined by the element 16.
- Figures 20 and 21 show the multi-plate clutch 1 in partial section and in view during assembly.
- the pressure plate 5 is first inserted into the abutment 15 and then the clutch disc 8.
- the pressure plate 6 is manufactured as a structural unit with the spacers 18 mounted thereon.
- the lever 21 are maximally spread by the leaf springs 29 against a rotational stop.
- the leaf springs 29 are taken captive under a remaining bias against the levers 21, 22.
- the pressure plate 6 is introduced into the plate carrier 2.
- the clutch disc 9 are introduced into the plate carrier 2 with the formation of the spline 14 and the pressure plate 7 (FIG. Voltage of the spacing means 18, the plate spring 17 and the element 16 ( Figure 1) applied to the plate carrier.
- Figures 22 and 23 show the structural unit of the pressure plate 6 with the Beabstandungseinnchtung 18 with relaxed levers 21, 22 and remaining bias of the leaf springs 29 in partial section and in view.
- lever arm b Lever arm Lever arm Lever arms Lever arm Lever arm
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112014002395.7T DE112014002395A5 (de) | 2013-05-13 | 2014-04-16 | Mehrscheibenkupplung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013208667 | 2013-05-13 | ||
| DE102013208667.9 | 2013-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014183757A1 true WO2014183757A1 (de) | 2014-11-20 |
Family
ID=50771381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2014/200171 Ceased WO2014183757A1 (de) | 2013-05-13 | 2014-04-16 | Mehrscheibenkupplung |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE112014002395A5 (de) |
| WO (1) | WO2014183757A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11085496B2 (en) * | 2018-12-11 | 2021-08-10 | Jtekt Corporation | Clutch device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE702033C (de) * | 1939-06-25 | 1941-01-30 | Fichtel & Sachs Akt Ges | Reibscheibenkupplung |
| JPS5949026U (ja) * | 1982-09-24 | 1984-03-31 | 株式会社大金製作所 | ツインクラツチ |
| JPH10122258A (ja) * | 1996-10-23 | 1998-05-12 | Shin Nippon Hoiile Kogyo Kk | 湿式多板クラッチの引きずり防止装置 |
| DE10218365A1 (de) * | 2001-03-24 | 2002-10-10 | Zf Sachs Ag | Mehrscheibenkupplung |
| DE102010004295A1 (de) | 2009-01-26 | 2010-07-29 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Nasskupplung |
| DE102011018589A1 (de) | 2011-04-26 | 2012-10-31 | Schaeffler Technologies AG & Co. KG | Zweischeibenkupplung |
-
2014
- 2014-04-16 DE DE112014002395.7T patent/DE112014002395A5/de not_active Ceased
- 2014-04-16 DE DE201410207341 patent/DE102014207341A1/de not_active Withdrawn
- 2014-04-16 WO PCT/DE2014/200171 patent/WO2014183757A1/de not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE702033C (de) * | 1939-06-25 | 1941-01-30 | Fichtel & Sachs Akt Ges | Reibscheibenkupplung |
| JPS5949026U (ja) * | 1982-09-24 | 1984-03-31 | 株式会社大金製作所 | ツインクラツチ |
| JPH10122258A (ja) * | 1996-10-23 | 1998-05-12 | Shin Nippon Hoiile Kogyo Kk | 湿式多板クラッチの引きずり防止装置 |
| DE10218365A1 (de) * | 2001-03-24 | 2002-10-10 | Zf Sachs Ag | Mehrscheibenkupplung |
| DE102010004295A1 (de) | 2009-01-26 | 2010-07-29 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Nasskupplung |
| DE102011018589A1 (de) | 2011-04-26 | 2012-10-31 | Schaeffler Technologies AG & Co. KG | Zweischeibenkupplung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11085496B2 (en) * | 2018-12-11 | 2021-08-10 | Jtekt Corporation | Clutch device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014207341A1 (de) | 2014-11-13 |
| DE112014002395A5 (de) | 2016-01-21 |
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