CN104854369A - Torsional vibration damper - Google Patents
Torsional vibration damper Download PDFInfo
- Publication number
- CN104854369A CN104854369A CN201380064439.4A CN201380064439A CN104854369A CN 104854369 A CN104854369 A CN 104854369A CN 201380064439 A CN201380064439 A CN 201380064439A CN 104854369 A CN104854369 A CN 104854369A
- Authority
- CN
- China
- Prior art keywords
- semielliptic spring
- outlet side
- input side
- recline
- reclines
- 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.)
- Granted
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
- 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
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/1232—Wound springs characterised by the spring mounting
Abstract
The invention relates to a device for transmitting torque comprising an inlet side and an outlet side which are rotatable about an axis of rotation, and a bow spring which is disposed on a circumference about the axis of rotation. For this a first end of the bow spring is in contact with the inlet side and a second end is in contact with the outlet side and a retainer is provided in order to support the bow spring in a radially outer direction. The contact of the first end takes place in this case only on a radially inner portion of the end.
Description
Technical field
The present invention relates to a kind of device for transmitting torque.In particular, the present invention relates to a kind of transfer unit, it has the semielliptic spring for damping torsional oscillation.
Background technique
Device for transmitting torque comprises input side and outlet side, and described input side and outlet side can rotate around a spin axis.Circumferentially be furnished with semielliptic spring around this spin axis, the end of described semielliptic spring and input side or outlet side recline.If input side reverses around this spin axis relative to outlet side, so this semielliptic spring is compressed.Thereby, it is possible to damping or elimination torsional oscillation, described torsional oscillation can be added to the rotary motion that will transmit or the torque that will transmit.At this, semielliptic spring allows the spring travel lengthened compared with traditional straight spring.This layout is also referred to as torshional vibration damper or torsional vibration damper.
The end of semielliptic spring to abut on input side or outlet side on the point of action that generally staggers in multiple radial direction carries out.The element that reclines be connected with input side or outlet side is often implemented as so large, it is abutted on the point of action of inner radial and radially outer on the end of semielliptic spring, wherein, described point of action is in the different radial side of end mid point about spin axis.In another embodiment, two elements that recline separated are arranged on input side or outlet side, described in recline element to abut on the different point of action of the radial direction of the end of semielliptic spring and force closure be connected to each other.In several embodiments, input side or outlet side can be made up of sheet material and mating member comprises tongue or contact pin, described tongue or contact pin are gone out by plate stamping and bending on radial or axial direction.
In order to form the element that reclines, usually use the structure expended.In order to it manufactures, need extensive work step, this can cause manufacturing tolerances.May be difficult to thus remain on multiple uniform load distribution reclined between element and the end of semielliptic spring.Some structures also cause and use the instrument of radial punch, its use can be relative expenses and be therefore that cost is high.
Summary of the invention
The object of the invention is, proposing a kind of device through simplifying for transmitting torque.The present invention realizes this object by means of the device with independent claims feature.Dependent claims provides preferred embodiment.
Device for transmitting torque according to the present invention comprises input side and outlet side, and described input side and outlet side can rotate around a spin axis, and comprise semielliptic spring, and described semielliptic spring is arranged in around this spin axis circumferentially.At this, the first end of semielliptic spring and input side recline and the second end and outlet side recline, and, be provided with retainer, to support this semielliptic spring on the direction of radially outer.The abutting in this and only carry out on the section being positioned at inner radial of end of first end.
Show, the point of action that the radial direction on the end of semielliptic spring is different transmits the power of different size.Particularly show, the point of action being positioned at radially outer transmits less power significantly.By cancelling the point of action of radially outer, only transmitting force can be carried out by means of the element that reclines.This element that reclines preferably is engaged in the region of the end of semielliptic spring, and described region is positioned in the half portion of the inner radial of the end plane of semielliptic spring about the spin axis of this device.No longer there is manufacturing tolerances between multiple functional element in this way and therefore also do not affect the usability of this device.Can avoid by using the element that reclines being positioned at inner radial using the radial punch instrument for the manufacture of this device.
Retainer can integratedly with input side or outlet side is shaping or torque is connected with it in locking manner.Although be located asymmetrically in the manipulation of inner radial, end can be avoided to tumble by the friction between semielliptic spring and retainer.The force closure reclined between element and the end of semielliptic spring can particularly be modified when semielliptic spring is expanded.
In one embodiment, the side reclined with end comprises one and to recline element, described in the element that reclines extend radially outwardly.Therefore, the bearing of trend of the element that reclines and length can be used in the region being positioned at inner radial limiting this end, recline described in carrying out over the region.At this, what the element that reclines must not contact semielliptic spring end inevitably is positioned at inner most section diametrically, instead be sufficient that, stretch out with reclining organs incline, wherein, recline element preferably towards the mid point of semielliptic spring end cross-sectional.
In one embodiment, end has circular cross section, and the element that reclines covers this cross section to being 50% of this cross-sectional diameter to the maximum.In other words, the length in the region of the end of semielliptic spring of element of reclining can be consistent with the radius of semielliptic spring.At this, capped region is preferably towards on the side of spin axis.Preferably, the element that reclines extends in this region directly, thus it can extend until the mid point of cross section.In a modification, the element that reclines covers cross section to maximum 60%.At this, the element that reclines can extend across the mid point of cross section.In a modification again, the element that reclines covers this cross section to being 70% of its diameter to the maximum.
Input side and outlet side can be arranged separately for reclining with two ends of semielliptic spring.Thus, the compressibility of the semielliptic spring angle of negative torsion degree that can not only be used to the angle of positive torsion degree between input side and outlet side and can be used between input side and outlet side.In this embodiment, an end of semielliptic spring can be furnished with the element that reclines of recline element and the outlet side of input side.At this, one that reclines in element can be limited at being positioned on the section of inner radial of this end as described above, and another element that reclines can construct in a known way.One that reclines in element can be limited at being positioned on the section of inner radial of this end as described above, and another element that reclines constructs in a known way.
In one embodiment, semielliptic spring comprises end cap on its end.End cap by deck or otherwise can be connected with the circle in semielliptic spring end regions.The power transmission reclined between element and the end of semielliptic spring can be realized thus.In addition the inclination of the semielliptic spring end when compressing and stretch can be reduced further.
In yet, semielliptic spring comprises multiple circle against each other at its end regions.Particularly when semielliptic spring 125 is not handled or not by compression, these circles also can be against each other.By circle against each other, semielliptic spring can in its end regions more hard place structure, thus described end during handling can be reduced further be tending towards the tendency of tumbling.
In one embodiment, the input side of this device is arranged for and is connected with transmitting torque with drive motor.In another embodiment, outlet side is arranged for and is connected with speed changer, wherein, and these mode of execution energy combinations with one another.Drive motor can directly be connected with speed changer by this device, or can be provided with the power train from drive motor to speed changer, this power train also comprises other elements, and wherein, this device can be used in any position in this power train.
Accompanying drawing explanation
The present invention is illustrated in greater detail referring now to accompanying drawing.Shown in the drawings of:
Fig. 1 is used for the device of transmitting torque;
Another mode of execution of the device of Fig. 2 Fig. 1;
Another three-dimensional view of a part for the mode of execution of Fig. 3 Fig. 2;
A mode of execution again of the device of Fig. 4 Fig. 1;
The another mode of execution of the device of Fig. 5 Fig. 1.
Embodiment
Fig. 1 shows the device 100 for transmitting torque.Device 100 especially arranges and is used for using in power train, preferably uses on Motor Vehicle.At this, device 100 preferably can be used in a section of power train between drive motor and speed changer.The task of device 100 is: transmitting torque and isolated or damping torsional oscillation (torsional vibration) simultaneously, and described torsional oscillation can be added to the rotary motion that will transmit or the torque that will transmit.
Device 100 comprises input side 105 and outlet side 110, and described input side and outlet side are rotatably arranged around spin axis 115.The direction of transfer of torque is not limited by selected mark, and torque can be passed along different directions at different operating points, thus the mark of input side 105 and outlet side 110 also can be exchanged.In the embodiment as shown, input side 105 is exemplarily connected with clutch housing 120, described clutch housing be clutch can the part that drives by the drive motor of Motor Vehicle.But torque also can be transmitted to (or from) input side 105 on (or from) another element.
Semielliptic spring 125 is circumferentially being furnished with, so that input side 105 turnable elastic ground is coupled with outlet side 110 around spin axis 115.Semielliptic spring comprises two ends, wherein, first end 130 towards observer and opposed the second end 132 can not be directly seen.In one embodiment, semielliptic spring 125 comprises end cap 135 on its end 130.
In the embodiment shown, not only input side 105 but also outlet side 110 recline with two ends 130,132 of semielliptic spring 125, rotate can not rely on input side 105 and cause the compression of semielliptic spring 125 relative to outlet side 110 in which sense of rotation.In another embodiment, semielliptic spring 125 also can only recline with input side 105 and recline (or vice versa) with outlet side 110 on the second end 132 on first end 130, only just to cause the compression of semielliptic spring 125 when relatively rotating along a direction, but not cause the compression of semielliptic spring when relatively rotating along another direction.
Input side 105 preferably can be manufactured by sheet material.In the region, end 130 of semielliptic spring 125, input side 105 is shaping like this, and input side is abutted on end 130.For this reason, input side 105, as shown in Figure 1, can have the recess that circumferentially extends for receiving semielliptic spring 125, and end 130 abuts on the border of recess.In another embodiment, input side 105 only comprises the element that reclines accordingly for end 130.In the embodiment as shown, the end 130 of semielliptic spring 125 has circular cross section.The region that reclines of input side 105 and end 130 extends past 9 o ' clock positions from 6 o ' clock positions approx about shown cross section and continues to extend to the position of radial direction approximately within 12 o ' clock positions of end 130.Input side 105 axially double curvature for this reason.
Outlet side 110 preferably can be manufactured by sheet material equally.Outlet side 110 is equally preferably shaping like this, and outlet side is formed for the region that reclines being positioned at radially outer of semielliptic spring 125, retainer 140.In an alternate embodiments, retainer 140 also can be fixed, constructs or be arranged on input side 105.Semielliptic spring 125 is circumferentially supported by retainer 140 outside.If device 100 rotates around spin axis 155, so semielliptic spring 125 radially outward is extruded against retainer 140, makes the compression or the decompression that are carried out damping semielliptic spring 125 by the friction on retainer 140.
In order to transmitting force between outlet side 110 and the end 130 of semielliptic spring 125, the discrete element 145 that reclines is set in the embodiment of figure 1, described in recline element not with the relative rotation (drehstabil) be arranged on the sheet material of outlet side 110.At this, reclining of recline element 145 and end 130 is only carried out at the section being arranged in inner radial about spin axis 115 of end 130.The section coordinated with the end cap 135 of the end 130 of semielliptic spring 125 of element 145 of reclining extends first in radial directions and then extends in the axial direction.Particularly when not using end cap 135, also can remove the axial section of the mating area of the element 145 that reclines.Bearing of trend also can change.Such as reclining region also can oblique extension diametrically.
When semielliptic spring 125 is compressed or decompresses, even if reclining of the element 145 that reclines is eccentric about the mid point of semielliptic spring 125, but end 130 is allowed not tumble by the radial friction of semielliptic spring 125 on retainer 140.Recline described in so to say that radial frictional force compensates on the radial outer region of end 130 the reclining of element 145, thus do not occur tilting force, and described tilting force causes blocking of semielliptic spring 125 or wedging.Therefore be sufficient that, end 130 is handled on radially inner side by outlet side 110, such as, in FIG by the element 145 that reclines.
Fig. 2 shows another mode of execution of the device of Fig. 1.In the embodiment shown, the discrete element 145 that reclines is not set, with regard to outlet side 110, instead handle the end 130 of semielliptic spring 125 by means of the element 145 that reclines, described in the element that reclines stamp out from the sheet material of outlet side 110 as contact pin and axially bend.In preferred implementation shown in this, the element 145 that reclines is greatly crossing with the circular cross section of the end 130 of semielliptic spring 125 and extend from the mid point 150 continued to cross section there about 5 o ' clock positions.In this section, the element 145 that reclines preferably extends directly, as shown in Figure 1.The cross section of current element 145 tipping 130 that reclines is to being less than 50%, and therefore, the element 145 that reclines does not arrive mid point 150.In other embodiments, coverage scale also can be 50%, thus the element 145 that reclines arrives mid point 150.In a mode of execution again, the length in the region of the cross section of the end 130 of the covering semielliptic spring 125 of the element 145 that reclines also can be about 60% or about 70% of the diameter of semielliptic spring 125 in the region of the end 130 of semielliptic spring.Input side 105 correspondingly bends, not conflict with outlet side 110.
Fig. 3 shows another three-dimensional view of a part for the device 100 according to the mode of execution of Fig. 2.Only outlet side 110 is illustrated with the semielliptic spring 125 with optional end cap 135.As can be seen from this three-dimensional view, semielliptic spring 125 comprises two circles against each other in the region of its end 130.In other embodiments, three or more circles of semielliptic spring 125 also can in the region of its end 130 against each other.
Fig. 4 illustrates a mode of execution again of the device 100 of Fig. 1.As the same in the mode of execution shown in Fig. 2 with Fig. 3, the element 145 that reclines here is shaped to the contact pin of the sheet material of outlet side 110.Do not arrange or the invisible clutch housing that can be connected with input side 105.Alternatively, input side 105 is connected with supporting member 155, and described supporting member similarly can be manufactured by sheet material and axially support semielliptic spring 125 left or radially inwardly.Can directly by input side 105 or indirectly by this supporting member 155 by torque such as to drive motor transmission.
In the embodiment shown, outlet side 110 does not follow the profile of semielliptic spring 125 at upside right part with little radius bend.What recline with the end 130 of semielliptic spring 125 reclines element 145 substantially along such as extending with reference to direction identical in figure 2 and the mode of execution that 3 describe above, but long enough, to arrive mid point 150.Input side 105 bends in the corresponding way, not contact the element 145 that reclines of outlet side 110 in the region of the end 130 of semielliptic spring 125.
Fig. 5 shows the another mode of execution of the device 100 of Fig. 1.Shown mode of execution with mode of execution shown in Figure 4 for foundation, but the element 145 that reclines is differently shaping.
Recline element 145 large circular cross section about end 130 from the side about spin axis 115 inner radial 4 o ' clock positions on crossing with the exterior domain of the end 130 of semielliptic spring 125.The element 145 that reclines rises therefrom and extends with the arc direction to mid point 150.In the embodiment shown, the end of the element 145 that reclines stops in such region, and described region is between mid point 150 and spin axis 115.At this, the end section axially extended of the element 145 that reclines directly extends.In other embodiments, reclining the end of element 145 also can be crossing with mid point 150.Preferably, fixed about region of 30%, about 40% or about 50% for end 130 diameter according to mode of execution of end 130 element 145 that do not reclined covers.This is not preferably located on the side of end 130 about the radially outer of spin axis 115 by the region handled.
Above-mentionedly can to combine in an arbitrary manner in each mode of execution referring to figs. 1 to the feature described in 5.Common for shown or described mode of execution, in side 105,110 one of element 145 that reclines only handles on the section being positioned at inner radial the end 130 of described semielliptic spring 125.
reference numerals list
100 for the device of transmitting torque
105 input sides
110 outlet sides
115 spin axiss
120 clutch housings
125 semielliptic springs
130 first ends
132 the second ends
135 end caps
140 retainers
145 recline element
150 mid points
155 supporting members
Claims (9)
1., for the device (100) of transmitting torque, comprising:
-input side (105) and outlet side (110), described input side and outlet side can rotate around a spin axis (115);
-semielliptic spring (125), described semielliptic spring is arranged in around described spin axis (115) circumferentially,
-wherein, first end (130) and the described input side (105) of described semielliptic spring (125) recline and the second end (132) and described outlet side (110) recline;
-retainer (140), to support described semielliptic spring (125) on the direction of radially outer,
It is characterized in that,
Reclining of-described first end (130) is only carried out on the section being positioned at inner radial of described end (130).
2. device according to claim 1 (100), wherein, the described side (105,110) reclined with described end (130) has one and to recline element (145), described in the element that reclines from inside to outside extend diametrically.
3. the device (100) according to any one of the claims, wherein, the described side (105,110) reclined with described end (130) has one and to recline element (145), described in recline element as discrete element structure and torque is fixed in described side (105,110) on one in locking manner.
4. the device (100) according to any one of the claims, wherein, described end (130) have circular cross section, and, described in recline and cover this cross section to being 50% of its diameter to the maximum.
5. the device (100) according to any one of the claims, wherein, described input side (105) and described outlet side (110) arrange separately and are used for reclining with these two ends (130) of described semielliptic spring (125).
6. the device (100) according to any one of the claims, wherein, described semielliptic spring (125) comprises end cap (135) on its end (130).
7. the device (100) according to any one of the claims, wherein, described semielliptic spring (125) comprises multiple circle against each other in the region of its end (130).
8. the device (100) according to any one of the claims, wherein, described input side (105) arranges and is used for being connected with drive motor.
9. the device (100) according to any one of the claims, wherein, described outlet side (110) arranges and is used for being connected with speed changer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012223338.5 | 2012-12-17 | ||
| DE102012223338 | 2012-12-17 | ||
| PCT/DE2013/200322 WO2014094761A1 (en) | 2012-12-17 | 2013-11-28 | Torsional vibration damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104854369A true CN104854369A (en) | 2015-08-19 |
| CN104854369B CN104854369B (en) | 2017-03-08 |
Family
ID=50031103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380064439.4A Active CN104854369B (en) | 2012-12-17 | 2013-11-28 | Torsional vibration damper |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104854369B (en) |
| DE (2) | DE102013224437A1 (en) |
| WO (1) | WO2014094761A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906239A (en) * | 2019-06-06 | 2022-01-07 | 采埃孚股份公司 | Torque transmission device |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989963A (en) * | 2016-10-26 | 2018-05-04 | 舍弗勒技术股份两合公司 | Power assembly, P2 hybrid dynamic systems, the torsional vibration damper of hybrid vehicle |
| FR3087514B1 (en) * | 2018-10-17 | 2022-08-26 | Safran Trans Systems | COMPACT MECHANICAL TORQUE SHOCK ABSORBER |
| DE102020130117A1 (en) | 2020-11-16 | 2022-05-19 | Schaeffler Technologies AG & Co. KG | torsional vibration damper |
| DE102021122857A1 (en) | 2021-01-18 | 2022-07-21 | Schaeffler Technologies AG & Co. KG | torque transmission device |
| DE102021126147A1 (en) | 2021-01-19 | 2022-07-21 | Schaeffler Technologies AG & Co. KG | torque transmission device |
| DE102021123225A1 (en) | 2021-01-26 | 2022-07-28 | Schaeffler Technologies AG & Co. KG | torque transmission device |
| DE102021121768A1 (en) | 2021-08-23 | 2023-02-23 | Schaeffler Technologies AG & Co. KG | torsional vibration damper |
| DE102021122819A1 (en) | 2021-09-03 | 2023-03-09 | Schaeffler Technologies AG & Co. KG | torsional vibration damper |
| DE102021123334A1 (en) | 2021-09-09 | 2023-03-09 | Schaeffler Technologies AG & Co. KG | torque transmission device |
| DE102021131869A1 (en) | 2021-12-03 | 2023-06-07 | Schaeffler Technologies AG & Co. KG | torsional vibration damper |
| DE102021132234A1 (en) | 2021-12-08 | 2023-06-15 | Schaeffler Technologies AG & Co. KG | powertrain |
| DE102021132802A1 (en) | 2021-12-13 | 2023-06-15 | Schaeffler Technologies AG & Co. KG | torque transmission device |
| DE102021134046A1 (en) | 2021-12-21 | 2023-06-22 | Schaeffler Technologies AG & Co. KG | Drive train of a hybrid or all-electric motor vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844049A (en) * | 1951-11-15 | 1958-07-22 | Lapsley Robert | Transmission |
| DE4406015A1 (en) * | 1994-02-24 | 1995-08-31 | Fichtel & Sachs Ag | Clutch disc for vehicle friction coupling |
| US20010020564A1 (en) * | 2000-03-09 | 2001-09-13 | Hirotaka Fukushima | Hydraulic torque transmitting device |
| WO2008064640A1 (en) * | 2006-11-29 | 2008-06-05 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Multifunctional torque converter for disconnecting the turbine from the idling engine and control method for disconnecting a multifunctional torque converter from the idling engine |
| CN101300436A (en) * | 2005-10-29 | 2008-11-05 | 卢克摩擦片和离合器两合公司 | Torsional vibration damper |
-
2013
- 2013-11-28 WO PCT/DE2013/200322 patent/WO2014094761A1/en active Application Filing
- 2013-11-28 DE DE201310224437 patent/DE102013224437A1/en not_active Withdrawn
- 2013-11-28 CN CN201380064439.4A patent/CN104854369B/en active Active
- 2013-11-28 DE DE112013006043.4T patent/DE112013006043A5/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844049A (en) * | 1951-11-15 | 1958-07-22 | Lapsley Robert | Transmission |
| DE4406015A1 (en) * | 1994-02-24 | 1995-08-31 | Fichtel & Sachs Ag | Clutch disc for vehicle friction coupling |
| US20010020564A1 (en) * | 2000-03-09 | 2001-09-13 | Hirotaka Fukushima | Hydraulic torque transmitting device |
| CN101300436A (en) * | 2005-10-29 | 2008-11-05 | 卢克摩擦片和离合器两合公司 | Torsional vibration damper |
| WO2008064640A1 (en) * | 2006-11-29 | 2008-06-05 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Multifunctional torque converter for disconnecting the turbine from the idling engine and control method for disconnecting a multifunctional torque converter from the idling engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906239A (en) * | 2019-06-06 | 2022-01-07 | 采埃孚股份公司 | Torque transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112013006043A5 (en) | 2015-09-17 |
| DE102013224437A1 (en) | 2014-06-18 |
| CN104854369B (en) | 2017-03-08 |
| WO2014094761A1 (en) | 2014-06-26 |
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