WO2012000464A1 - Halter für eine nachstelleinrichtung einer reibungskupplung sowie reibungskupplung - Google Patents
Halter für eine nachstelleinrichtung einer reibungskupplung sowie reibungskupplung Download PDFInfo
- Publication number
- WO2012000464A1 WO2012000464A1 PCT/DE2011/001160 DE2011001160W WO2012000464A1 WO 2012000464 A1 WO2012000464 A1 WO 2012000464A1 DE 2011001160 W DE2011001160 W DE 2011001160W WO 2012000464 A1 WO2012000464 A1 WO 2012000464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- friction clutch
- counter
- spindle
- plate
- holder
- Prior art date
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
- F16D13/58—Details
- F16D13/75—Features relating to adjustment, e.g. slack adjusters
- F16D13/757—Features relating to adjustment, e.g. slack adjusters the adjusting device being located on or inside the clutch cover, e.g. acting on the diaphragm or on the pressure plate
Definitions
- the invention relates to a holder for an adjusting device of a friction clutch and a friction clutch, with the help of the holder, a spindle can be held, with the help of a caused by wear of friction linings of the friction clutch increased stroke of a pressure plate can be adjusted to a counter plate.
- Friction clutches may be provided to compensate for a wear occurring of friction linings with a force-adjusting device.
- a unfavorable as a result of wear development of the contact pressure of a counter-plate of the friction clutch acting upon actuating system for moving the pressure plate for example, a Tetlerfeder detected and depending on the contact force causes an adjustment.
- compensation means such as ramp systems or threads, are arranged between the counterplate and the actuation system.
- a friction clutch with a displacement-controlled adjusting device in which a depending on the distance of an actuating system with a plate spring and a pressure plate axially displacing pawl on a pinion on the pressure plate Spindle rotatably received by a holder, wherein a recorded on the spindle spindle nut rotates a rotation between the pressure plate and the diaphragm spring arranged ramp ring ramp system relative to aelles, whereby the original distance of the Betucitgungssystems is restored to the pressure plate.
- the pawl In this case slides during the stroke of a counter-plate relative to the pressure plate, the pawl on the teeth of the pinion and engages at a predetermined wear in a tooth gap between two teeth.
- the pawl positively engages the pinion at the next opening operation of the friction clutch, thereby rotating the pinion and thus the spindle, thereby moving the spindle nut along the spindle and rotating the ramp ring by a corresponding angular amount to thereby adjust the friction clutch.
- the spindle is supported by a first latch arm and a second support arm of a holder, wherein the first support arm is connected to the second support arm via a mounting piece, via which the holder is connected to the counter ramp of the ramp system, while the Spindle nut moved on the spindle is connected to the ramp ring of the ramp system.
- the inventive holder for an adjustment of a friction clutch has a first support arm for supporting a spindle connected to a pinion for axially moving a screwed onto the spindle spindle nut and a first holding arm spaced second support arm for supporting the spindle. Further, a fixing piece extending between the first holding arm and the second holding arm for fastening the holder is connected to a part of a ramp system. According to the invention, the attachment piece has at least one marking for associating the position of the spindle nut with a wear state of the friction clutch.
- the general inventive concept of the present invention is based thereon by means of a suitable marking over the axial Position of the spindle nut to be able to read the state of wear of the friction clutch. This makes it possible to check the state of wear of the friction linings during maintenance and intended repair of the friction clutch and to decide whether replacement of the friction linings of the clutch makes sense.
- the marking can also be provided in another component adjacent to the spindle nut, to which the spindle nut carries out a relative movement.
- the marking can be provided by a pressure plate of the friction clutch.
- the ramp system can be formed, in particular, by a ramp ring sliding on a counter ramp, wherein the counter ramp can be connected to the attachment piece and the ramp ring can be connected to the spindle nut or vice versa in order to rotate the ramp ring in the circumferential direction relative to the counter ramp. It is also possible for the ramp system to have a plurality of ramps distributed in the circumferential direction or, similar to a thread, several ramps / threads in the axial direction one behind the other.
- the remaining structural design of the adjusting device can be designed as described in DE 10 2009 035 225 A1 or WO 2009/056092 A1, the contents of which are hereby incorporated by reference as part of the invention.
- the at least one marking is formed by an imprint and / or a surface treatment and / or a shaping of the attachment piece.
- the marking can be optically easily perceived and read.
- the marker may have a different nature compared to the rest of the attachment piece, so that the marker can also be read haptically, for example with the help of the fingertips of a fitter. This makes it possible even in hard to reach places that are visually difficult to see, reading the mark. par-
- the mark can also be read blind in a soiled, for example oily state.
- the at least one marking is formed by a material recess in the attachment piece, in particular by laser cutting.
- the material recess for the at least one marking can be provided in particular during the production of the holder, without the need for an additional processing or manufacturing step for the formation of the marking.
- the holder can be punched out of a suitable sheet metal and / or cut out with the aid of a laser, so that the corresponding material recess can be provided during the production process of the holder.
- a plastic clip in one of the recesses to mark after a first setting of the distance of the pressure plate relative to the counter plate, the position of the spindle nut at un worn friction linings.
- the at least one marking indicates a wear reserve, in particular an expected remaining lifetime.
- a wear reserve in particular an expected remaining lifetime. This makes it possible to decide whether an exchange of the friction clutch and / or an exchange of friction linings should be made before expiry of the next service interval, in order to prevent an impairment of the functionality of the friction clutch in the further operation already in advance. Insbesondre it is possible to roughly estimate the extent of the axial movement of the spindle nut, how long it should take until the friction clutch is too worn. This makes it possible to take into account the individual load of the friction clutch. For example, heavy wear in a short operating time would require replacement of friction linings rather than less wear over a longer period of time.
- the wear reserve can be specified in particular as a percentage of an approved total wear.
- the first holding arm, the second holding arm and the attachment piece are designed in one piece.
- the holder can in particular be punched out of a suitable sheet metal and / or be cut and subsequently machined by chipless forming, so that the first support arm and the second support arm can protrude from the attachment piece.
- the invention further relates to an adjusting unit for actuating a ramp system of a friction clutch for adjusting a wear-related misalignment of a relative to a counter plate movable pressure plate for pressing a clutch disc between the counter plate and the pressure plate, wherein the adjusting unit has a spindle connected to a pinion.
- the spindle is supported by a holder which can be fastened to a counter ramp of the ramp system, wherein the holder can be formed and developed as described above.
- Screwed onto the spindle is a spindle nut that can be fastened with a ramp ring of a ramp system that relatively slips off on the counter ramp, wherein the spindle nut has a display element that cooperates with the at least one marking of the holder.
- the spindle nut can, for example, have an arrow-like display element which can be moved along an axial movement of the spindle nut along the spindle along a marking of the holder designed as a scale.
- the spindle nut may have a stop abutting the attachment piece in order to prevent co-rotation of the spindle nut with the spindle. The in an axial movement of the spindle nut on the attachment piece along sliding stop can be performed very close to the mark along to read about the position of the stop or the spindle nut the state of wear of the friction clutch can.
- the stop can slide along the marking, whereby information relevant to the characterization of the state of wear can be revealed or covered by the stop.
- the display element of the spindle nut can thereby simultaneously prevent co-rotation of the spindle nut, so that a separate component for forming the display element is not required.
- the display element to the attachment piece at a maximum distance s ma x 0.0 mm ⁇ s max 5.0 mm, in particular 0.1 mm ⁇ s max ⁇ 2.0 mm, preferably 0.2 mm ⁇ Smax s 1, 0 mm and more preferably 0.3 mm ⁇ mm -i 0.5 mm.
- the display element may in particular be mounted and / or embossed on the upper side of a stopper sliding along the attachment piece in order to avoid co-rotation of the spindle nut, so that the display element is only spaced from the marking via the material thickness of the stop.
- the display element may also extend beyond the end face of the stop, so that the display element can also contact the mark directly. Due to the comparatively small distance of the display element to the attachment piece an accurate reading of the state of wear is facilitated.
- the invention further relates to an adjusting device for a friction clutch, which has an adjusting unit, which may be formed and further developed as described above.
- the adjusting device further comprises an engaging in the pinion pawl for rotating the pinion at a wear-related misalignment of a movable relative to a counter plate pressure plate for pressing a clutch disc between the counter plate and the pressure plate, wherein the attachment piece of the holder with a counter ramp and the spindle nut with a connected circumferentially relative to the counter ramp ramp ring of a ramp system for adjusting the wear-related misalignment.
- the adjusting device allows easy reading of the wear state of the friction clutch, so that the error analysis in the friction clutch is simplified and the ease of maintenance of the friction clutch is increased.
- a suitable structural design of the adjusting device and of the ramp system is described in DE 10 2009 035 225 A1 and WO 2009 / 056092A1, the contents of which are hereby incorporated by reference as part of the invention.
- the invention further relates to a friction clutch for a motor vehicle having a counter-plate and a relative to the counter-plate movable pressure plate for pressing a clutch disc between the counter-plate and the pressure plate and an adjusting device for adjusting a wear-related misalignment of the pressure plate to the counter plate, wherein the adjusting device as described above - and can be further educated.
- the friction clutch makes it easy to read the state of wear, so that the friction analysis in the friction clutch improves and the ease of maintenance of the friction clutch is increased.
- the friction clutch has a clutch housing with a service arranged in the region of the attachment piece of the holder. ceö réelle for reading the mark of the attachment piece. To determine the state of wear of the friction clutch, it is not necessary to disassemble the clutch housing of the friction clutch.
- a service corner! provided for at least partially closing the service opening, wherein the preferably pivotally connected to the clutch housing service cover, in particular with the clutch housing is releasably lockable.
- the service cover can be clamped or locked in a closed position, for example with the clutch housing.
- the invention further relates to a friction clutch for a motor vehicle with a counter-plate and a relative to the counter-plate movable pressure plate for pressing a clutch disc between the counter-plate and the pressure plate.
- an adjusting unit for adjusting a wear-related incorrect spacing of the pressure plate is provided to the counter-plate, which may be in particular as described above and further developed.
- the adjusting unit has a spindle for axially moving a spindle nut screwed onto the spindle between a starting position and an end position.
- at least one marking for the assignment of the position of the spindle nut to a wear state of the friction clutch is provided between the starting position and the end position.
- the adjusting unit is in particular part of the adjusting device described above.
- a marking provided between the starting position and the end position is hereby understood as including a marking assigned to the starting position and / or the end position itself, wherein at least one of the home position and the end position is additionally or alternatively spaced from the home position and / or the end position Mark is provided for an intermediate position of the state of wear.
- the at least one marking is provided, in particular, by a component which is located in the vicinity of the spindle nut, so that the state of wear of the friction clutch can be read in a correspondingly simple manner via the spatial proximity of the marking to the position of the spindle nut.
- a component is used for this purpose, with which the adjusting unit is connected and to which the spindle nut can exert a relative movement.
- the marking for this purpose can be provided in the spindle supporting the holder, wherein other components can be used for this purpose.
- the adjustment unit is connected to the pressure plate of the friction clutch, so that the marking is additionally or alternatively provided to a mark in the holder by the pressure plate.
- the structural design of the marking in the pressure plate can be described and further developed as described above with reference to the marking of the holder.
- the at least one marking is already provided during a casting process of the pressure plate, so that the marking can be configured as a cast-in material recess.
- the holder is multi-part, in particular designed in two parts.
- the holder has a first holding arm and a second holding arm, which are not connected to each other via a fastening piece of the holder, but separated from each other separately connected to the pressure plate.
- the first support arm and the second support arm are connected to one another only via the pressure plate, so that the pressure plate perceives the function of the attachment piece and the attachment piece is thus formed by the pressure plate.
- a one-piece design of the holder is not required, so that the size of the items to be installed can be reduced.
- FIG. 1 is a schematic perspective view of a friction clutch according to the invention
- FIG. 2 is a schematic detail view of the friction clutch of FIG. 1
- 3 is a schematic side view of an adjustment of the friction clutch of FIG. 1
- FIG. 4 shows a schematic plan view of the adjusting unit from FIG. 3, FIG.
- FIG. 5 shows a schematic perspective view of a holder according to the invention for the adjusting unit shown in FIG. 3 and FIG. 5
- FIG. 6 shows a schematic sectional view of part of a friction clutch according to the invention in an alternative embodiment.
- the friction clutch 10 shown in FIG. 1 and in FIG. 2 has a clutch housing 12, which in the region of an adjustment unit 14 for adjustment of a wear-related misalignment of a relatively movable to a counter-plate pressure plate 40 for pressing a clutch disc between the counter-plate and the pressure plate 40 a Service opening 16 has. About the service opening 16, a holder 18 is visible, which supports a connected to a pinion 20 spindle 22.
- a spindle nut 24 is screwed onto the spindle 22, which from an initial position with untapped friction linings (left position) in the axial direction along the spindle 22 in an end position at completely worn friction linings (right position ) can be moved.
- the holder 18 has a first holding arm 26 and a second holding arm 28 for supporting the spindle 22.
- the first support arm 26 and the second support arm 28 are integrally connected to each other via a mounting piece 30, wherein the attachment piece 30 can be connected via connecting means 32 with a counter ramp of a ramp system for adjustment of the wear-related misalignment.
- the attachment piece 30 has markings formed by recesses 34 with the aid of which the position of the spindle nut 24 can be assigned to a state of wear of the friction clutch 10.
- a display element 36 of the spindle nut 24 cooperates, wherein the display element 36 simultaneously abuts against the attachment piece 30 in order to prevent co-rotation of the spindle nut 24 upon rotation of the spindle 22.
- a fastening means 38 is further connected to couple the spindle nut 24 with an on the counter ramp in the circumferential direction derived sliding ramp ring. As shown in Fig.
- the holder 18 may be configured as a one-piece component, which may for example be punched or cut out of a suitable sheet and then formed without cutting. Additionally or alternatively to the recesses 34, the markings may also be printed and / or formed by a surface treatment. In particular, it is possible to form a scale in order to be able to display a plurality of intermediate values of the wear state of the friction clutch 10.
- the marking 34 is not formed by the holder 18 but by the pressure plate 40 in comparison to the embodiment of the friction clutch 10 shown in FIGS. 1 and 2.
- the first holding arm 26 and the second holding arm 28 of the holder 18 are not in one piece but executed in several parts and only connected to each other via the pressure plate 40.
- a respective cast-in marking 34 is provided for the start of wear (new condition) indicating starting position of the spindle nut 24 and for the wear end indicating end position of the spindle nut 24, wherein additionally or alternatively, intermediate positions can be marked.
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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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011102220.4T DE112011102220B4 (de) | 2010-06-29 | 2011-06-03 | Verstelleinheit zur Betätigung eines Rampensystems einer Reibungskupplung sowie Reibungskupplung |
CN201180024445.8A CN102893045B (zh) | 2010-06-29 | 2011-06-03 | 用于摩擦离合器补偿调节装置的保持架和摩擦离合器 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010025448 | 2010-06-29 | ||
DE102010025448.7 | 2010-06-29 | ||
DE102010033505 | 2010-08-05 | ||
DE102010033505.3 | 2010-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012000464A1 true WO2012000464A1 (de) | 2012-01-05 |
Family
ID=44532500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/001160 WO2012000464A1 (de) | 2010-06-29 | 2011-06-03 | Halter für eine nachstelleinrichtung einer reibungskupplung sowie reibungskupplung |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN102893045B (de) |
DE (2) | DE102011103466A1 (de) |
WO (1) | WO2012000464A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110426302A (zh) * | 2019-06-28 | 2019-11-08 | 武汉船用机械有限责任公司 | 摩擦磨损试验工装 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2880328B1 (de) * | 2012-08-02 | 2018-10-24 | Schaeffler Technologies AG & Co. KG | VERFAHREN ZUR HERSTELLUNG EINER SPERR- UND/ODER ANTRIEBSKLINKE FÜR EINE VERSCHLEIßNACHSTELLEINRICHTUNG EINER KUPPLUNGSVORRICHTUNG |
DE102015204531A1 (de) | 2015-03-13 | 2016-09-15 | Schaeffler Technologies AG & Co. KG | Verschleißzustandsanzeige eines nachstellenden Schwungrades |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19713782A1 (de) * | 1997-04-03 | 1998-10-15 | Mannesmann Sachs Ag | Kupplungsanordnung, insbesondere Kraftfahrzeugreibungskupplung, mit einer Verschleißanzeigevorrichtung |
DE19941208A1 (de) * | 1999-08-30 | 2001-03-01 | Mannesmann Sachs Ag | Reibungskupplung |
WO2007128261A1 (de) * | 2006-05-04 | 2007-11-15 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibungskupplung |
WO2009056092A1 (de) | 2007-10-31 | 2009-05-07 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibungskupplung |
DE102009035225A1 (de) | 2008-08-21 | 2010-02-25 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibungskupplung |
-
2011
- 2011-06-03 CN CN201180024445.8A patent/CN102893045B/zh active Active
- 2011-06-03 WO PCT/DE2011/001160 patent/WO2012000464A1/de active Application Filing
- 2011-06-03 DE DE102011103466A patent/DE102011103466A1/de not_active Withdrawn
- 2011-06-03 DE DE112011102220.4T patent/DE112011102220B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19713782A1 (de) * | 1997-04-03 | 1998-10-15 | Mannesmann Sachs Ag | Kupplungsanordnung, insbesondere Kraftfahrzeugreibungskupplung, mit einer Verschleißanzeigevorrichtung |
DE19941208A1 (de) * | 1999-08-30 | 2001-03-01 | Mannesmann Sachs Ag | Reibungskupplung |
WO2007128261A1 (de) * | 2006-05-04 | 2007-11-15 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibungskupplung |
WO2009056092A1 (de) | 2007-10-31 | 2009-05-07 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibungskupplung |
DE102009035225A1 (de) | 2008-08-21 | 2010-02-25 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Reibungskupplung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110426302A (zh) * | 2019-06-28 | 2019-11-08 | 武汉船用机械有限责任公司 | 摩擦磨损试验工装 |
Also Published As
Publication number | Publication date |
---|---|
DE102011103466A1 (de) | 2012-02-09 |
CN102893045A (zh) | 2013-01-23 |
DE112011102220A5 (de) | 2013-03-28 |
CN102893045B (zh) | 2015-06-24 |
DE112011102220B4 (de) | 2020-06-18 |
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