CN104806695A - Centrifugal force swing - Google Patents
Centrifugal force swing Download PDFInfo
- Publication number
- CN104806695A CN104806695A CN201410642546.7A CN201410642546A CN104806695A CN 104806695 A CN104806695 A CN 104806695A CN 201410642546 A CN201410642546 A CN 201410642546A CN 104806695 A CN104806695 A CN 104806695A
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- Prior art keywords
- hollow cavity
- pendulum
- cavity structure
- centrifugal force
- chamber
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a centrifugal force swing which is used for the automobile tranmission system. Described in the centrifugal force can swing around a rotation axis of rotation, among them, set up a place of the flange and at least one place for quality, among them, the pendulum is quality of including a first described in the quality and the quality of a second set of pendulum flange including outline with a gap of at least one gap, among them, the two place quality by means of at least one interval pin bolt connection, referred to at least one interval pin bolt is guided through the gap of described in the place of the flange, among them, it is between pin bolt set a damping device, among them, the hollow cavity structure is used to described in the above mentioned in hollow cavity structure and gap between contour tangent contact with hollow cavity structure inside and surrounded by the structure of the hollow cavity fluid exchange between.
Description
Technical field
The present invention relates to a kind of centrifugal force pendulum of feature according to claim 1.
Background technique
The known centrifugal force pendulum with a pendulum flange, this pendulum flange can couple with other parts of described power train.Described centrifugal force pendulum comprises at least one pendulum mass pair, and this pendulum mass is to comprising the first pendulum mass and the second pendulum mass.The both sides that these two pendulum masses are arranged in pendulum flange opposedly are connected to each other by means of interval pin.In pendulum flange, be provided with a breach, interval pin is directed through described breach.These pendulum masses are led by guide device, to perform a pendulum motion.At this, described interval pin may be resisted against on an intercept profile of the breach in pendulum flange.This can cause noise to generate.Generate to reduce this noise, the peripheral side of described interval pin arrange the rubber element of a telescopic structure, this rubber element to be between interval pin and intercept profile and damping interval pin on described intercept profile against.
Summary of the invention
Task of the present invention is to provide a kind of centrifugal force pendulum of improvement.
This task solves by means of centrifugal force pendulum according to claim 1.Favourable mode of execution is recorded in the dependent claims.
Be well known that according to the present invention, the centrifugal force pendulum of improvement can provide in the following way, that is, centrifugal force pendulum comprises a pendulum flange and at least one pendulum mass pair.This external enwergy of described centrifugal force pendulum is around a pivot axis.Described pendulum mass is to comprising one first pendulum mass and one second pendulum mass.Described pendulum flange comprises at least one breach with a breach profile.Two pendulum masses tie by means of at least one spacer pin and connect, and this interval pin is directed through the breach of described pendulum flange.This is outside equipped with one and is arranged in damping device on the pin of described interval.Described damping device comprises a hollow cavity structure, wherein, the fluid communication between the enclosure that the inside of described hollow cavity structure and described hollow cavity structure be provided when described hollow cavity structure is configured between described hollow cavity structure and described breach profile tangential contact (Ber ü hrkontakt).
Light especially and that noise is few centrifugal force pendulum can be provided in like fashion.In addition, described hollow cavity structure is obviously more durable than the rubber element being used to damping up to now, thus makes described centrifugal force pendulum have the working life of raising.
In another embodiment, described hollow cavity structure has one first chamber and at least one second chamber.Described first chamber separates by means of a chamber wall and described second chamber.The sound wave of appearance can be absorbed thus within described chamber, its by damping device on breach profile against generation.
In another embodiment, in the wall of described chamber, be provided with at least one pass through openings, wherein, described pass through openings makes the first chamber fluid is connected with the second chamber.Guiding can be continued thus from the first chamber to the acoustic pressure the second chamber, wherein, by the through guiding through described pass through openings, acoustic pressure in second chamber is less than the acoustic pressure in the first chamber, thus makes damped to the sound transmission of described interval pin from external frame when damping device is resisted against on described intercept profile on the whole.
In another embodiment; described damping device comprises at least one protection element; wherein; described protection planning is between described hollow cavity structure and described pendulum flange and/or at least one pendulum mass; wherein, described protection element is configured to stop described hollow cavity structure to contact with the direct of at least one pendulum mass in described pendulum flange and/or pendulum mass.Can the undesirable of described hollow cavity structure be avoided to peel off or wear and tear when being resisted against on described intercept profile thus.Can ensure to exceed the damping of the long-term stability in centrifugal force pendulum working life thus.
In another embodiment, described protection element to be arranged in peripheral side and to prevent described hollow cavity structure to contact with described the direct of intercept profile in described hollow cavity structure.The erosion in perimeter sides of described hollow cavity structure can be avoided in like fashion.
In another embodiment; described hollow cavity structure comprises the first side surface and described protection element comprises the second side surface; wherein; described first side surface and the pendulum mass of described second side surface in two pendulum masses; wherein; described first side surface with faced by one end mask of pendulum mass have the first spacing and the second side surface with should faced by the described end face of pendulum mass there is the second spacing, wherein, described first spacing is less than the second spacing.Ensure thus: protection element not to abut in described pendulum mass and can avoid possible the separating between protection element with hollow cavity structure owing to being applied to the torque on described protection element based on layout external diametrically.
In another embodiment, described interval pin comprises a longitudinal axis, and wherein, this longitudinal axis is arranged be parallel to described rotation axis, and wherein, described protection element stretches out from described interval pin diametrically with regard to described longitudinal axis.Thus, even if this design proposal can stop the wiping of described hollow cavity structure in described pendulum mass to be rubbed when protecting planning between hollow cavity structure and pendulum mass, thus the lateral erosion of hollow cavity structure can be avoided.
In another embodiment, described damping device comprises at least one pilot sleeve, wherein, described pilot sleeve to be arranged between described hollow cavity structure and described interval pin and to be configured to stop direct contact of described hollow cavity structure and described interval pin.Thus can by damping device in a straightforward manner make centrifugal force pendulum time pushing sleeve on the pin of described interval, and described hollow cavity structure can on pushing sleeve damping device to described interval pin time not damaged.This damage is avoided by described pilot sleeve effectively, thus makes can provide extra high making quality when manufacturing centrifugal force pendulum.
In another embodiment, described hollow cavity structure comprises the first hollow cavity section and the second hollow cavity section.Described damping device also comprises a stable element.Described stable element is arranged between described first hollow cavity section and described second hollow cavity section in the axial direction.Described protection planning is on the first hollow cavity section of described hollow cavity structure and/or the peripheral side of the second hollow cavity section and be connected with described stable element.Damping device stable and durable especially can be provided thus, because the possible resiliently deformable of the possible resiliently deformable of the first hollow cavity section of hollow cavity structure or the second hollow cavity section of hollow cavity structure is only passed on each other hollow cavity section of described hollow cavity structure with reducing.
In another embodiment, described stable element with regard to the longitudinal axis of described interval pin from inner radial to radially outward extending.Described protection planning is on the first hollow cavity section of described hollow cavity structure and/or the peripheral side of the second hollow cavity section.Described protection element is connected with described stable element.In like fashion can when by hollow cavity structure simultaneously damped sound ensure that described protection element is to the power transmission good especially against power on the pin of described interval.Can cut down by means of centrifugal force pendulum the torque especially by force swung thus, wherein, the strong torque swung causes strong against power.
In another embodiment, these chambeies have a total measurement (volume) of described hollow cavity structure 70 at least percent and/or these chambeies have the extension size being less than 1000 microns.Preferably, the total measurement (volume) of described hollow cavity structure these chambeies 40 at least percent there is the extension size being less than 500 microns and being greater than 1 micron.Especially advantageously, these chambeies total measurement (volume) 10 at least percent there is the extension size being greater than 1 micron and being less than 10 microns.
Particularly advantageously: described hollow cavity structure comprises at least one in llowing group of materials: porous material, organic material, lamination coating, cellulose fiber, cotton, carbon fiber, glass fibre, steel fiber, Steel Fibre, aramid fibre, mineral fibre, latex, epoxy resin, resin, iron oxide, Sai Lite diatomaceous earth (Celite), silicious marl (Kieselgrur), graphite, mineral fibre.
Accompanying drawing explanation
Below, the present invention explains with reference to the accompanying drawings in detail.At this:
Fig. 1 shows the longitudinal cross-section of the centrifugal force pendulum through the damping device had according to the first mode of execution;
One intercept of the longitudinal cross-section shown in Fig. 1 has been shown in the region of the damping device that Fig. 2 is shown in Figure 1;
Fig. 3 shows the amplification intercept of damping device shown in figure 2;
Fig. 4 shows the longitudinal cross-section through the damping device according to the second mode of execution;
Fig. 5 shows the longitudinal cross-section of the flexible program through damping device shown in Figure 4;
Fig. 6 shows the longitudinal cross-section through the damping device according to the 3rd mode of execution;
Fig. 7 shows the longitudinal cross-section through the damping device according to the 4th mode of execution;
Fig. 8 shows the longitudinal cross-section through the damping device according to the 5th mode of execution;
Fig. 9 shows an intercept of the longitudinal cross-section through the damping device according to the 6th mode of execution.
Embodiment
Fig. 1 shows the longitudinal cross-section of the centrifugal force pendulum 10 through the damping device 15 had according to the first mode of execution.Fig. 2 has illustrated an intercept of the longitudinal cross-section shown in Fig. 1 in the region of damping device 15.Fig. 3 shows the amplification intercept of damping device 15 shown in figure 2.
The rotation axis 20 that can rotate described centrifugal force pendulum 10 is supported rotationally.At this, described centrifugal force pendulum 10 can be the parts of power train and can be coupled by means of one of parts of power train.Described centrifugal force pendulum 10 comprises a pendulum flange 25 and a pendulum mass to 30.Described pendulum mass comprises the first pendulum mass 35 to 30, and this first pendulum mass is arranged in the left side of pendulum flange 25 in FIG.In addition, described pendulum mass comprises the second pendulum mass 40 to 30, and described second pendulum mass is arranged in right side opposedly with the first pendulum mass 35 in pendulum flange 25.This pendulum flange 25 has the first breach 45.Described first breach 45 is parallel to rotation axis 20 at this and such as in the radial height of pendulum mass to 30, extends through described pendulum flange 25.Described pendulum mass 35,40 has the second breach 50.Second breach 50 is also parallel to rotation axis 20 at this and arranges with extending.One interval pin 55 extends through described breach 45,50, and described interval pin makes described pendulum mass 35,40 be connected to each other.Described interval pin 55 has a longitudinal axis 60, and this longitudinal axis parallel is arranged in described rotation axis 20.Described pendulum mass 35,40 is directed to along a pendulum track by a unshowned chute guide portion in a pendulum motion.
The fixing section 70 that described interval pin 55 has a breach section 65 and is arranged on these breach section 65 both sides.Described breach section 65 is arranged in the first breach 45 of described pendulum flange 25.Described fixing section 70 is arranged in the second breach 50 of corresponding pendulum mass 35,40.Described fixing section 70 has the diameter less than breach section 65.Between fixing section 70 and breach section 65, be provided with a flange 75, the end face 80 of described pendulum mass 35,40 that this flange reclines, this end face is in the face of described pendulum flange 25.The longitudinal end of the correspondence of described interval pin 55 is provided with a rivet connector 85, and this rivet connector opposing flanges 75 clamps described pendulum mass 35,40 and therefore makes these pendulum masses 34,40 be connected to each other.Obviously also can consider: two pendulum masses 35,40 connect according to an other mode.
In the peripheral side of described interval pin 55, a damping device 90 is set in the first breach 45.Described damping device 90 has a hollow posts bodily form section 95, and this hollow posts bodily form section surrounds interlocking described interval pin 55 with one at interior circumferential surface 96 in peripheral side on breach section 65.With regard to the longitudinal axis 60 of described interval pin 55 diametrically, one attenuates section 100 adjacent described hollow posts bodily form section 95 on outside.The described direction attenuating section 100 longitudinally axis 60 from inside to outside has the width of a reduction diametrically with going.Outside diametrically, described damping device 90 has an abutment facing 105, and described abutment facing is corresponding to the circumferential surface outside of described damping device 90.
Described first breach 45 has an intercept profile 110.Described intercept profile 110 constructs corresponding to such pendulum motion, and this pendulum motion is produced in pendulum flange 25 by the unshowned chute guide portion of pendulum mass 35,40.
Described damping device 90 comprises a hollow cavity structure 115, and this hollow cavity structure has the multiple chambeies 120,125 in the inside being arranged in this hollow cavity structure 115.These chambeies 120,125 schematically illustrate and obviously also can with other formal constructions in their physical dimension design proposal in Fig. 1 to Fig. 3.At this, the first chamber 120 is separated with the second chamber 125 by chamber wall 130.Chamber wall 130 has a pass through openings 135, and this pass through openings makes the first chamber 120 fluid is connected with the second chamber 125.Obviously also can consider, in described chamber wall 130, multiple pass through openings 135 is set.Also can consider, the part in these chambeies 120,125 connects by means of partition wall 130, in these partition walls, do not arrange pass through openings 135, but other chamber 120,125 connects by means of the pass through openings 135 in chamber wall 130.In addition, in this embodiment, be arranged in described damping device 90 while there are these chamber 120,125 rhombuses of chamber wall 130.Obviously also can consider, these chambeies 120,125 or there is the cross section of other form.Also can consider, these chambeies 120,125 have different volumes respectively.In addition, these chamber walls 130,140 also can bend or indentation extend construct.
Described damping device 90 comprises a gauge wall 140, and this gauge wall is hollow cavity structure 115 on side but also described in peripheral side upper control limit not only.Additional other pass through openings 145 is provided with in described gauge wall 140, these pass through openings make the part in the chamber 120,125 adjacent with described gauge wall 140 or all chambeies be connected on fluid with an enclosure 150, and this enclosure is such as corresponding to clutch inner space.Thus, by described other pass through openings 145, act on the fluid in described enclosure 150, the cooling fluid be such as present in clutch device can enter in the first chamber 120 (see Fig. 3) through described other pass through openings 145.From described first chamber 120 out, fluid can enter in other chamber 125 further by the first pass through openings 135.The chamber 120,125 of described hollow cavity structure 115 utilizes these pass through openings 135,134 to construct a porous structure.
In the operation of centrifugal force pendulum 10, this centrifugal force pendulum utilizes the rotating speed corresponding to the rotating speed of the internal-combustion engine be connected on described centrifugal force pendulum 10 usually to rotate around described rotation axis 20.Do not arranged in the mode of filling out filling (geflutet) at least partly by the chamber 120,125 in the state of cooling fluid load, described cooling fluid is the constituent element of this housing of described centrifugal force pendulum in the housing of damping device.If only partly fill out filling with a cooling fluid at the housing being wherein furnished with centrifugal force pendulum 10 of described damping device, so sink to chamber 120,125 in described cooling fluid during the state of rest of centrifugal force pendulum 10 and/or be filled at least partly through period by cooling fluid.In the case particularly advantageously: hollow cavity structure 115 constructs as follows, that is, damping device 90 sink to period, at least 0.25 percent volume to volume, preferably 1 percent volume to volume of the total measurement (volume) in described chamber 120,125 fill out filling with cooling fluid.
Described damping device 90, by coupling on interval pin 55, is taken action-oriented in the pendulum motion of pendulum mass 35,40 in the first breach 45.At this, according to the difference of pendulum motion, described damping device 90 can be resisted against on described intercept profile 110 with abutment facing 105.What produce at this causes the resiliently deformable of hollow cavity structure 115 against power and causes the resiliently deformable in described chamber 120,125 thus.At this, the volume reducing in chamber 120,125, the cooling fluid be present in thus in these chambeies 120,125 is forced in described enclosure 150 by described pass through openings 135,145 at least in part.Thus, damping device 90 effectively reduce especially described interval pin 55 on described intercept profile 110 against.Described against afterwards, described hollow cavity structure 115 be deformed to not only its reset condition and cooling fluid at this not only from described enclosure 150 out but also receive described chamber 120,125.
Fig. 4 shows the damping device 200 according to the second mode of execution.Described damping device 200 constructs be similar to the design proposal shown in Fig. 1 to Fig. 3.Described damping device 200 has the hollow cavity structure 115 of annular design.Diametrically in other places, a protection element 205 is arranged in described hollow cavity structure 115.At this, the telescopic structure of described protection element 205 and having substantially by the material of solid material configuration.Described protection element 205 is arranged between described intercept profile 110 and described hollow cavity structure 115 thus.Described hollow cavity structure 115 has the first side surface 215 on an end face 210 of described damping device 200.Described protection element 205 at one end face 210 has the second side surface 220.At this, two side surfaces 215,220 are arranged in the public plane perpendicular to the longitudinal axis 60 of described interval pin 55.
Described protection element 205 is for avoiding the wearing and tearing of described hollow cavity structure 115 during pendulum motion and avoiding the possible tangential contact of described hollow cavity structure 115 and intercept profile 110.Can avoid corroding described hollow cavity structure 115 at the run duration of described centrifugal force pendulum 10 thus.At this advantageously; described protection element 205 is made up of the similar hard material as pendulum flange 25; to avoid excessive wear and to avoid in the enclosure of described centrifugal force pendulum 10 thus, especially described damping device and/or speed changer cooling fluid in possible particulate emission.
In order to provide the connection good especially between described hollow cavity structure 115 and described protection element 205, described protection elements relative is pre-clamping in described hollow cavity structure 115 and thus provides that friction between described hollow cavity structure 115 with described protection element 205 is sealed to be connected.Alternatively also can consider the connection of the sealed and/or positive of material between described protection element 205 and described hollow cavity structure 115.
Fig. 5 shows the longitudinal cross-section of a flexible program of the mode of execution 200 shown in Figure 4 through damping device.Described damping device 200 as one man constructs with the mode of execution shown in Fig. 4 substantially.With its differently, described hollow cavity structure 115 constructs on the first side surface 215 spherically.At this, described side surface 215 has the minimum separable a of the end side surface 80 in the face of described first side surface 215 relative to described pendulum mass 35,40
1.Second side surface 220 of described protection element 205 has the second spacing a relative to the end face 80 faced by described in described pendulum mass 35,40
2.At this, described first spacing a
1be less than the second spacing a
2.By the spherical design proposal of gauge wall 140 can be little at the same time sound transmission when ensure that power transmission good especially between described protection element 205 and described interval pin 55 by described hollow cavity structure 115.
Fig. 6 shows the longitudinal cross-section through the damping device 300 according to the 3rd mode of execution.Described damping device 300 constructs similarly with the damping device 200 shown in Fig. 4.Additionally, described damping device 300 has a pilot sleeve 305, described pilot sleeve be arranged on radially inner side described hollow cavity structure 115 on interior circumferential surface 96.Described pilot sleeve 305 has such advantage, avoids the inclination of damping device 300 and thus avoid the possible damage of described hollow cavity structure 115 time that is, on described damping device 300 pushing sleeve to described interval pin 55.
3rd side surface 315 of the end face 80 in the face of described pendulum mass 35,40 of described side surface 215,220 and described pilot sleeve 305 is arranged in a public plane.Obviously also it is possible that these sides 215,220,315 to be arranged in different planes and to be in axial direction spaced layout of turning up the soil thus.
Between pilot sleeve 305 and protection element 205, with regard to longitudinal axis 60, extend described hollow cavity structure 115 diametrically from inside to outside.Described hollow cavity structure 115 construct as set forth in Fig. 1 to 3 and for reduce protection element 205 and pilot sleeve 305 between the transmission against power.Centrifugal force pendulum 10 light especially can be provided thus.
Described pilot sleeve 305 is advantageously made up of the identical material as protection element 205 and/or hollow cavity structure 115.Obviously also can consider: described pilot sleeve 305 has and hollow cavity structure 115 and/or the material of protecting element 205 different.In order to provide the centrifugal force pendulum 10 that special wearing and tearing are few, described pilot sleeve 305 such as can by the material manufacture through sintering, to provide described pilot sleeve 305 on described interval pin 55, and the sliding properties of the improvement in the region of breach section 65.Alternatively can consider: the breach section 65 of described pilot sleeve 305 and described interval pin 55 reaches squeeze flow, to ensure the reliable placement of damping device 300 on described interval pin 55.
Fig. 7 shows the longitudinal cross-section through the damping device 400 according to the 4th mode of execution.Described damping device 400 comprises hollow cavity structure 115, and this hollow cavity similar is in constructing circlewise like that shown in Fig. 1 to Fig. 3.With it differently, described hollow cavity structure 115 does not have the section 100 that attenuates.First side surface 215 of described hollow cavity structure 115 is furnished with a protection element 405 respectively, and wherein, described protection element 405 stretches out from interval pin 55 diametrically with regard to the longitudinal axis 60 of described interval pin 55.Described protection element 405 is advantageously made by solid material, to provide the extra high protection relative to described hollow cavity structure 115.Described protection element 405 is arranged between described hollow cavity structure 115 and described pendulum mass 35,40 thus.Can avoid thus during the pendulum motion of pendulum mass 35,40 or when assembling centrifugal force pendulum 10 due to the wearing and tearing of pendulum mass 35,40 that may tilt of pendulum mass 35,40 and/or the possible damage of hollow cavity structure 115.Described protection element 405 this have than described hollow cavity structure 115 with regard to the longitudinal axis 60 of interval pin 55 the extension size diametrically of Yan Geng little.Guarantee thus: described protection element 405 is not resisted against on the intercept profile 110 of described pendulum flange 25.
Fig. 8 shows the longitudinal cross-section through the damping device 500 according to the 5th mode of execution.Described damping device 500 constructs be similar to the damping device shown in Fig. 1 to Fig. 7.Described damping device 500 comprises described hollow cavity structure 115 equally.Described hollow cavity structure 115 comprises the first hollow cavity section 505 and the second hollow cavity section 510.In axial direction by a stable element 515 separately, described stable element is arranged between described first hollow cavity section 505 and the second hollow cavity section 510 described first hollow cavity section 505.Described stable element 515 from inside to outside extends diametrically and is connected with described protection element 205 in outside diametrically with going.To be similar to shown in Fig. 6 such designs for described protection element 205.Described stable element 515 to two hollow cavity sections 505,510 have larger inner diameter.Stop thus: sound can be transmitted between interval pin 55 and stable element 515 by described stable element 515.Thus, only described hollow cavity structure 115 abuts on described interval pin 55 in peripheral side in fig. 8.Obviously also can consider to arrange described pilot sleeve 305, but advantageously described pilot sleeve 305 be arranged at interval with described stable element 515.Stoped by described stable element 515: time on the intercept profile 110 that damping device 500 is fiercely resisted against described pendulum flange 20, described hollow cavity structure 115 diametrically in outside by overload.By described stable element 515, be placed in the radially built-in region with regard to described longitudinal axis 60 of described hollow cavity structure 115 against power, thus make described hollow cavity structure 115 described against time extend in size than more uniformly load shown in Figure 6 in described radial direction.One more durable damping device 500 can be provided thus generally.
Fig. 9 shows an intercept of the longitudinal cross-section through the damping device 600 according to the 6th mode of execution.Described damping device 600 constructs be similar to the damping device shown in Fig. 1 to Fig. 8.With it differently, described hollow cavity structure 115 has a large amount of fiber 605, and circumferentially direction extension such as arranged to obtain adjacent to each other substantially by these fibers.Obviously also other orientation can be considered.These fibers 605 have substantially circular cross section.Other cross section also can be considered.These fibers 605 are closely arranged, thus make between these fibers, construct chamber 120,125.These chambeies are connected to each other by pass through openings 125 and are connected with described enclosure by other pass through openings.These chambeies 120,125 have a microscler cross section by the configuration of described fiber 605 in this embodiment.Additionally, these fiber 605 tools have the following advantages, that is, they itself by resiliently deformable damping interval pin 55 on described intercept profile 110 against.Also provide such porosity ratio by these fibers 605, this porosity ratio is for receiving cooling fluid in described chamber 120,125.
The hollow cavity structure 115 of the damping device 15,200,300,400,500 shown in Fig. 1 to Fig. 9 such as can have following material: porous material, organic material, lamination coating, cellulose fiber, cotton, carbon fiber, glass fibre, steel fiber, Steel Fibre, aramid fibre, mineral fibre, latex, epoxy resin, resin, iron oxide, Sai Lite diatomaceous earth, silicious marl, graphite.The intensity of described hollow cavity structure can be improved by means of aramid fibre and/or carbon fiber and/or glass fibre and/or mineral fibre at this.The fluid storage capacity of hollow cavity structure 115 can be improved by means of Sai Lite diatomaceous earth/silicious marl, graphite, iron oxide.
Particularly advantageously: 70 at least percent and/or these chambeies that these chambeies 120,125 have the total measurement (volume) of described hollow cavity structure 115 have the extension size being less than 1000 microns.Preferably, the total measurement (volume) of described hollow cavity structure 115 these chambeies 120,125 40 at least percent there is the extension size being less than 500 microns and being greater than 1 micron.Especially advantageously, these chambeies 120,125 total measurement (volume) 10 at least percent there is the extension size being greater than 1 micron and being less than 10 microns.
In the case particularly advantageously: described hollow cavity structure 115 at least has the intensity of 100 Newton per millimeter.Avoid thus: described hollow cavity structure 115 when described against too by force elastic yield and possibly described stable element 515 and/or protection element 205 can throw off from described hollow cavity structure 115.
It is to be noted, the mode of execution 15,200,300,400,500 shown in Fig. 1 to Fig. 8 of described damping device is exemplary.Obviously also can consider: the feature shown in Fig. 1 to Fig. 8 is bonded to each other, therefore to provide the damping device 15,200,300,400,500 Wen Ding or not being conducive to using.Therefore such as the shown in Figure 8 protection element 205 of stable element 515 that has can be combined with the protection element 405 shown in Fig. 7, so as therefore to make described hollow cavity structure 115 not only in axial direction but also radially not by the possible erosion of hollow cavity structure 115 impact and thus not by the impact of the damage of centrifugal force pendulum 10.In addition also can be ensured by this protection: the possible particle do not produced when described erosion is placed in the cold oil circulation of speed changer, and these particles also damage clutch and/or speed changer possibly.
Reference numerals list
10 centrifugal force pendulums
15 damping devices
20 rotation axiss
25 pendulum flange
30 pendulum masses pair
35 first pendulum masses
40 second pendulum masses
45 first breach
50 second breach
55 interval pins
60 longitudinal axis
65 breach sections
70 fixing sections
75 flanges
80 end faces
85 rivet connectors
90 damping devices
95 cylinder shape sections
96 at interior circumferential surface
100 attenuate section
105 abutment facings
110 intercept profiles
115 hollow cavity structures
120 first chambeies
125 second chambeies
130 chamber walls
135 pass through openings
140 gauge walls
145 other pass through openings
150 enclosure
200 damping devices
205 protection elements
210 end faces
215 first side surfaces
220 second side surfaces
300 damping devices
305 pilot sleeves
315 side surfaces
400 damping devices
405 protection elements
500 damping devices
505 first hollow cavity sections
510 second hollow cavity sections
515 stable elements
600 damping devices
605 fibers
Claims (12)
1. centrifugal force pendulum (10), it is for the power train of Motor Vehicle,
-wherein, described centrifugal force pendulum (10) can rotate around a rotation axis (20),
-wherein, be provided with a pendulum flange (25) and at least one pendulum mass to (30),
-wherein, described pendulum mass comprises one first pendulum mass (35) and one second pendulum mass (40) to (30),
-wherein, described pendulum flange (25) comprises at least one breach (45) with a breach profile (110),
-wherein, two pendulum masses (35,40) connect by means of at least one interval pin (55), and at least one interval pin described is directed through the described breach (45) of described pendulum flange (25),
-wherein, described interval pin (55) is provided with a damping device (90; 200; 300; 400; 500),
It is characterized in that,
-described damping device (90; 200; 300; 400; 500) a hollow cavity structure (115) is comprised,
-wherein, the fluid communication between the inside (120,125) of described hollow cavity structure (115) and the enclosure (150) of described hollow cavity structure (115) is provided when described hollow cavity structure (115) is configured to tangential contact between described hollow cavity structure (115) and described breach profile (110).
2. centrifugal force pendulum according to claim 1 (10), it is characterized in that, described hollow cavity structure (115) has the first chamber (120) and at least has the second chamber (125), wherein, described first chamber (120) is separated by means of at least one chamber wall (130,140) and described second chamber (125).
3. centrifugal force pendulum according to claim 2 (10), it is characterized in that, described chamber wall is provided with at least one pass through openings (135) in (130,140), wherein, described pass through openings (135) makes described first chamber (120) fluid is connected with described second chamber (125).
4. according to the centrifugal force pendulum (10) one of claims 1 to 3 Suo Shu, it is characterized in that, described damping device (90; 200; 300; 400; 500) at least one protection element (205,405) is comprised,
-wherein, described protection element (205,405) is arranged between described hollow cavity structure (115) and described pendulum flange (25) and/or at least one pendulum mass (35,40),
-wherein, described protection element (205,405) is configured to stop direct contact of described hollow cavity structure (115) and described pendulum flange (25) and/or at least one pendulum mass (35,40).
5. centrifugal force pendulum according to claim 4 (10); it is characterized in that, described protection element (205,405) to be arranged in peripheral side and to stop direct contact of described hollow cavity structure (115) and described breach profile (110) on described hollow cavity structure (115).
6. centrifugal force pendulum according to claim 5 (10); it is characterized in that; described hollow cavity structure (115) comprises the first side surface (215) and described protection element (205,405) comprises the second side surface (220)
-wherein, described first side surface (215) and the pendulum mass of described second side surface (220) in two pendulum masses (35,40),
-wherein, an end face (80) of the pendulum mass (35,40) that described first side surface (215) opposing side is right has the first spacing (a
1) and the described end face (80) of the pendulum mass (35,40) of described second side surface (220) relatively faced by this has the second spacing (a
2),
-wherein, described first spacing (a
1) be less than described second spacing (a
2).
7. according to the centrifugal force pendulum (10) one of claim 2 to 6 Suo Shu; it is characterized in that; described interval pin (55) comprises a longitudinal axis (60); wherein; this longitudinal axis (60) is arranged be parallel to described rotation axis (20); wherein, described protection element (205,405) stretches out from described interval pin (55) diametrically with regard to this longitudinal axis (60).
8. according to the centrifugal force pendulum (10) one of claim 1 to 7 Suo Shu, it is characterized in that, described damping device (90; 200; 300; 400; 500) at least one pilot sleeve (305) is comprised, wherein, described pilot sleeve (305) to be arranged between described hollow cavity structure (115) and described interval pin (55) and to be configured to stop direct contact the at described hollow cavity structure (115) and described interval pin (55).
9. according to the centrifugal force pendulum (10) one of claim 1 to 8 Suo Shu, it is characterized in that, described hollow cavity structure (115) comprises one first hollow cavity section (505) and one second hollow cavity section (510), wherein, described damping device (90; 200; 300; 400; 500) stable element (515) is comprised, wherein, described stable element (515) is arranged between the described first hollow cavity section (505) of described hollow cavity structure (115) and described second hollow cavity section (510).
10. centrifugal force pendulum according to claim 9 (10); it is characterized in that; described stable element (515) is arranged between described first hollow cavity section (505) and described second hollow cavity section (510) in the axial direction; wherein, described protection element (205,405) to be arranged in the described first hollow cavity section of described hollow cavity structure (115) and/or the peripheral side of the second hollow cavity section (505,510) and to be connected with described stable element (515).
11. according to the centrifugal force pendulum (10) one of claim 1 to 10 Suo Shu, it is characterized in that, described chamber (120, 125) there is 70 at least percent and/or described chamber (120 of the total measurement (volume) of described hollow cavity structure (115), 125) at this, there is the extension size being less than 1000 microns, wherein preferred, the described chamber (120 of the total measurement (volume) of described hollow cavity structure (115), 125) 40 at least percent has the extension size being less than 500 microns and being greater than 1 micron, wherein especially advantageously, described chamber (120, 125) 10 at least percent of total measurement (volume) has the extension size being greater than 1 micron and being less than 10 microns.
12. according to the centrifugal force pendulum (10) one of claim 1 to 11 Suo Shu, it is characterized in that, described hollow cavity structure (115) comprises at least one in llowing group of materials: porous material, organic material, lamination coating, cellulose fiber, cotton, carbon fiber, glass fibre, steel fiber, Steel Fibre, mineral fibre, aramid fibre, latex, epoxy resin, resin, iron oxide, Sai Lite diatomaceous earth, silicious marl, graphite.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013222756 | 2013-11-08 | ||
| DE102013222756.6 | 2013-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806695A true CN104806695A (en) | 2015-07-29 |
| CN104806695B CN104806695B (en) | 2020-03-06 |
Family
ID=52991076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410642546.7A Expired - Fee Related CN104806695B (en) | 2013-11-08 | 2014-11-07 | Centrifugal force pendulum |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104806695B (en) |
| DE (1) | DE102014220560A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468329A (en) * | 2015-08-20 | 2017-03-01 | 舍弗勒技术股份两合公司 | Centrifugal pendulum mechanism and the fluid dynamic torque converter with centrifugal force pendulum |
| CN108412957A (en) * | 2017-02-10 | 2018-08-17 | 舍弗勒技术股份两合公司 | Spacer keys and vibration absorber |
| CN109154357A (en) * | 2016-05-19 | 2019-01-04 | Zf腓特烈斯哈芬股份公司 | For connecting the connection component of multiple vibration damping block elements of damping block |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017045684A1 (en) * | 2015-09-18 | 2017-03-23 | Schaeffler Technologies AG & Co. KG | Torque transmission device |
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| US2590579A (en) * | 1948-09-17 | 1952-03-25 | Sarazin Gilles Francois | Torsional vibration damper |
| JP2011208774A (en) * | 2010-03-30 | 2011-10-20 | Toyota Motor Corp | Vibration reducing device |
| DE102011089236A1 (en) * | 2010-12-23 | 2012-06-28 | Daimler Ag | Centrifugal pendulum device |
| CN102762887A (en) * | 2009-12-21 | 2012-10-31 | 舍弗勒技术股份两合公司 | Centrifugal pendulum mechanism |
| CN103097765A (en) * | 2010-09-08 | 2013-05-08 | 爱信艾达工业株式会社 | Dynamic vibration absorber |
-
2014
- 2014-10-10 DE DE201410220560 patent/DE102014220560A1/en not_active Withdrawn
- 2014-11-07 CN CN201410642546.7A patent/CN104806695B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2590579A (en) * | 1948-09-17 | 1952-03-25 | Sarazin Gilles Francois | Torsional vibration damper |
| CN102762887A (en) * | 2009-12-21 | 2012-10-31 | 舍弗勒技术股份两合公司 | Centrifugal pendulum mechanism |
| JP2011208774A (en) * | 2010-03-30 | 2011-10-20 | Toyota Motor Corp | Vibration reducing device |
| CN103097765A (en) * | 2010-09-08 | 2013-05-08 | 爱信艾达工业株式会社 | Dynamic vibration absorber |
| DE102011089236A1 (en) * | 2010-12-23 | 2012-06-28 | Daimler Ag | Centrifugal pendulum device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468329A (en) * | 2015-08-20 | 2017-03-01 | 舍弗勒技术股份两合公司 | Centrifugal pendulum mechanism and the fluid dynamic torque converter with centrifugal force pendulum |
| CN109154357A (en) * | 2016-05-19 | 2019-01-04 | Zf腓特烈斯哈芬股份公司 | For connecting the connection component of multiple vibration damping block elements of damping block |
| CN108412957A (en) * | 2017-02-10 | 2018-08-17 | 舍弗勒技术股份两合公司 | Spacer keys and vibration absorber |
| CN108412957B (en) * | 2017-02-10 | 2021-09-24 | 舍弗勒技术股份两合公司 | Spacer pin and vibration damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014220560A1 (en) | 2015-05-13 |
| CN104806695B (en) | 2020-03-06 |
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