CN104854369B - Torsional vibration damper - Google Patents
Torsional vibration damper Download PDFInfo
- Publication number
- CN104854369B CN104854369B CN201380064439.4A CN201380064439A CN104854369B CN 104854369 B CN104854369 B CN 104854369B CN 201380064439 A CN201380064439 A CN 201380064439A CN 104854369 B CN104854369 B CN 104854369B
- Authority
- CN
- China
- Prior art keywords
- semielliptic spring
- reclines
- input side
- outlet side
- spring
- 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.)
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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 present invention relates to a kind of device for transmitting torque, which includes that input side and outlet side, the input side and outlet side can be rotated around a rotation axis, and including semielliptic spring, the semielliptic spring is disposed around on the circumference of the rotation axis.Here, the first end of semielliptic spring reclines with input side and the second end is reclined with outlet side, also, retainer is provided with, so as to the semielliptic spring is supported on the direction of radially outer.The here that reclines of first end is only carried out on the section positioned at inner radial 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 device, which has
For damping the semielliptic spring of torsional oscillation.
Background technology
Device for transmitting torque includes that input side and outlet side, the input side and outlet side can be around rotations
Axis rotates.Being disposed with semielliptic spring on the circumference of the rotation axis, the end of the semielliptic spring and input side or
Person's outlet side reclines.If input side is reversed around the rotation axis with respect to outlet side, then the semielliptic spring is compressed.By
This, can damp or eliminate torsional oscillation, and the torsional oscillation can be added to rotary motion to be transmitted or torque to be transmitted.?
This, semielliptic spring allows the spring travel for lengthening compared with traditional straight spring.This arrangement be also referred to as torsional vibration damper or
Torsional vibration damper.
The end of semielliptic spring abuts in general enterprising in multiple application points being radially staggered on input side or outlet side
OK.The element that reclines being connected with input side or outlet side is often implemented into so big so which is on the end of semielliptic spring
Abut on the application point of inner radial and radially outer, wherein, the application point is in end midpoint with regard to rotation axis
In different radial side.In another embodiment, two separate elements that recline are arranged on input side or outlet side, described
The element that reclines abut on the radially different application point of the end of semielliptic spring and force closure be connected to each other.In several realities
Apply in mode, input side or outlet side can be made up of sheet material and co-operating member includes tongue or contact pin, the tongue or
Person's contact pin is gone out and be bent upwards in radially or axially side by plate stamping.
In order to the element that reclines is formed, the structure of consuming is usually used.For its manufacture, extensive work step is needed, this can
Cause manufacturing tolerance.Thus multiple uniform loads reclined between element and the end of semielliptic spring may be difficult to hold in divide
Cloth.Some structures also cause the instrument using radial punch, and which is using can be relative expending and therefore be high cost.
Content of the invention
The purpose of the present invention is to propose a kind of simplified device for transmitting torque.The present invention is only by means of having
The device of vertical claim feature realizes the purpose.Dependent claims are given preferred embodiment.
The device for transmitting torque according to the present invention includes input side and outlet side, the input side and outlet side energy
Enough rotate around a rotation axis, and including semielliptic spring, the semielliptic spring is arranged in the circumference around the rotation axis
On.Here, the first end of semielliptic spring reclines with input side and the second end is reclined with outlet side, also, it is provided with guarantor
Holder, to support the semielliptic spring on the direction of radially outer.The here that reclines of first end is only in end positioned at footpath
Carry out on section internally.
Have shown that, the radially different application point on the end of semielliptic spring transmits different size of power.Special
It is not to have shown that, the application point positioned at radially outer significantly transmits less power.By cancelling the work of radially outer
With point, can be only by means of the element that reclines transmitting power.The element that reclines preferably coordinates in the end of semielliptic spring
In region, the region with regard to the device rotation axis be located at semielliptic spring end plane inner radial half portion on.
No longer occur the manufacturing tolerance between multiple functional elements in this way and therefore nor affect on the availability of the device.Pass through
Can be avoided using the radial punch instrument for manufacturing the device using the element that reclines for being located at inner radial.
Retainer integratedly can be molded with input side or outlet side or torque is connected in locking manner.Although not right
Claim ground that the manipulation of inner radial is located at, but end can be avoided to tumble by the friction between semielliptic spring and retainer.Recline
Force closure between element and the end of semielliptic spring can be particularly and be modified when semielliptic spring extends.
In one embodiment, the side for reclining with end includes that one reclines element, and the element that reclines radially outward prolongs
Stretch.Therefore, recline the bearing of trend of element and length can be used in limiting the region positioned at inner radial of the end, described
Described reclining is carried out on region.Here, the element that reclines be not necessary to inevitably to contact being radially positioned for semielliptic spring end most interior
The section in portion, is instead sufficient that, stretches out with reclining organs incline, and wherein, the element that reclines is preferably directed towards arch bullet
The midpoint of spring end cross-sectional.
In one embodiment, end has circular cross section, also, the element that reclines covers the cross section to maximum
For the cross-sectional diameter 50%.In other words, the length in the region of the end of semielliptic spring of element of reclining can be with bow
The radius of shape spring is consistent.Here, capped region is preferably on the side towards rotation axis.Preferably, recline unit
Part extends in this region directly, can extend up to the midpoint of cross section so as to which.In a modification, the element that reclines is covered
Cross section is to maximum 60%.Here, the element that reclines can extend across the midpoint of cross section.In another variation, recline element
The cross section is covered to being the 70% of its diameter to the maximum.
Input side and outlet side each can be provided for reclining with two ends of semielliptic spring.Thus, semielliptic spring
Compressibility can not only be used for the angle of positive torsion degree between input side and outlet side and also can be used for input side and
Angle of negative torsion degree between outlet side.In this embodiment, input side can be disposed with an end of semielliptic spring
Recline the element that reclines of element and outlet side.Here, one reclined in element can be limited at the end as described above
The section positioned at inner radial on, and another element that reclines can be constructed in a known way.One reclined in element can
It is limited on the section positioned at inner radial of the end as described above, and another element that reclines is constructed in a known way.
In one embodiment, semielliptic spring includes end cap on its end.End cap can be by deck or with which
He is connected with the circle in semielliptic spring end regions mode.Thus, it is possible to realize reclining between element and the end of semielliptic spring
Power transmission.It is furthermore possible to reduce the inclination of the semielliptic spring end in compression and stretching, extension further.
In yet, semielliptic spring includes multiple circles against each other in its end regions.Particularly work as
When semielliptic spring 125 is not manipulated or is not compressed, these circles also can be against each other.By circle against each other, arch
Spring can in its end regions more hard place construction, so as to reduce what the end during manipulating tended to tumbling further
Tendency.
In one embodiment, the input side of the device is arranged for being connected with drive motor to transmit torque.?
In another embodiment, outlet side is arranged for being connected with speed changer, wherein, these embodiment energy combinations with one another.The dress
Put and drive motor directly can be connected with speed changer, or, the power train that can be provided with from drive motor to speed changer, the transmission
System also includes other elements, and wherein, the device can be used in any position in the power train.
Description of the drawings
The present invention is illustrated in greater detail referring now to accompanying drawing.Shown in the drawings of：
Fig. 1 is used for transmitting the device of torque；
Another embodiment of the device of Fig. 2 Fig. 1；
Another three-dimensional view of a part for the embodiment of Fig. 3 Fig. 2；
The a further embodiment of the device of Fig. 4 Fig. 1；
The another embodiment of the device of Fig. 5 Fig. 1.
Specific embodiment
Fig. 1 shows the device 100 for transmitting torque.Device 100 is especially provided for used in power train, preferably
Ground is used on motor vehicle.Here, device 100 preferably can be between drive motor and speed changer power train a section
Middle used.The task of device 100 is：Transmission torque and while isolation or damping torsional oscillation (twisting vibration), the torsional oscillation
Rotary motion to be transmitted or torque to be transmitted can be added to.
Device 100 includes that input side 105 and outlet side 110, the input side and outlet side can be revolved around rotation axis 115
Turn ground to arrange.The direction of transfer of torque is not limited by selected mark, and torque can be in different operating points along different sides
To being passed, can also be exchanged so as to the mark of input side 105 and outlet side 110.In the embodiment as shown, input side
105 are exemplarily connected with bell housing 120, and the bell housing is being driven by the drive motor of motor vehicle for clutch
Dynamic part.But torque also can be transmitted to (or from) input side 105 on (or from) another element.
Around rotation axis 115 circumference on be disposed with semielliptic spring 125, so as to 105 turnable elastic of input side ground with
Outlet side 110 is coupled.Semielliptic spring includes two ends, and wherein, first end 130 is towards observer and opposed the second end
Portion 132 can not be directly seen.In one embodiment, semielliptic spring 125 includes end cap 135 on its end 130.
In the embodiment shown, two ends of not only input side 105 but also outlet side 110 and semielliptic spring 125
Which 130th, 132 recline, so as to do not rely on input side 105 and rotate on direction of rotation with respect to outlet side 110 and draw
Play the compression of semielliptic spring 125.In another embodiment, semielliptic spring 125 also can only on first end 130 with input
Side 105 is reclined and is reclined with outlet side 110 (or vice versa) on the second end 132, so as to only when along a side
To the compression for just causing semielliptic spring 125 when rotating against, but arch is not caused when rotating against along another direction
The compression of spring.
Input side 105 is preferably able to be manufactured by sheet material.In 130 region of end of semielliptic spring 125, input side 105
So it is molded so that input side is abutted on end 130.For this purpose, input side 105, as shown in figure 1, can have circumferentially
The recess that direction extends is used for receiving semielliptic spring 125, and end 130 is abutted on the border of recess.In another embodiment
In, input side 105 only includes the element that reclines accordingly for end 130.In the embodiment as shown, semielliptic spring 125
End 130 there is circular cross section.The region that reclines of input side 105 and end 130 with regard to shown cross section approx
9 o'clock position is extended past from 6 o'clock position and continue to radially about prolonging in the position of 12 o'clock within position of end 130
Stretch.Input side 105 is this axially double curvature.
Outlet side 110 preferably equally can be manufactured by sheet material.Outlet side 110 is Preferably also so molded so that defeated
Go out side and form the region that reclines positioned at radially outer for semielliptic spring 125, retainer 140.In alternate embodiments,
Retainer 140 can also be fixed, be constructed or on input side 105.Semielliptic spring 125 is by retainer 140 on excircle
Support.If device 100 is rotated around rotation axis 155, then semielliptic spring 125 is squeezed radially outward against retainer 140
Pressure so that compression or the decompression of semielliptic spring 125 are damped by the friction on retainer 140.
In order to transmit power between the end 130 of outlet side 110 and semielliptic spring 125, arrange in the embodiment of figure 1
The discrete element 145 that reclines, described recline element not with the relative rotation (drehstabil) installed in outlet side 110 sheet material
On.Here, reclining for recline element 145 and end 130 is located at inner radial only in end 130 with regard to rotation axis 115
Carry out in section.Recline element 145 the end 130 with semielliptic spring 125 end cap 135 coordinate section first in radial direction side
Upwardly extend and and then extend in the axial direction.Particularly when end cap 135 is not used, it is also possible to remove the element that reclines
The axial section of 145 mating area.Bearing of trend can also change.For example reclining region also being capable of diametrically oblique extension
Stretch.
When semielliptic spring 125 is by compression or decompression, even if the reclining with regard to semielliptic spring 125 of the element 145 that reclines
Midpoint eccentric, but the radial friction by semielliptic spring 125 on retainer 140 allows end 130 not tumble.Radial friction
So to say that power is reclined described in compensation on the radial outer region of end 130 the reclining of element 145, so as to occur without inclination
Power, the tilting force cause blocking or wedging for semielliptic spring 125.Therefore be sufficient that, end 130 on radially inner side by
Outlet side 110 is manipulated, such as in FIG by the element 145 that reclines.
Fig. 2 shows another embodiment of the device of Fig. 1.In the embodiment shown, discrete reclining is not provided with
Element 145, instead manipulates the end 130 of semielliptic spring 125, the patch for outlet side 110 by means of the element 145 that reclines
Stamp out from the sheet material of outlet side 110 as contact pin by element and axially bend.In the preferred embodiment shown in this
In, recline element 145 about 5 o'clock position intersect with the circular cross section of the end 130 of semielliptic spring 125 and from there
Continue to extend to the midpoint 150 of cross section.In the section, the element 145 that reclines preferably extends directly, as shown in Figure 1.Currently
To being less than 50%, therefore, the element 145 that reclines does not reach midpoint 150 for the cross section of 145 tipping 130 of element that reclines.At other
In embodiment, coverage rate can also be 50%, and so as to recline, element 145 reaches midpoint 150.In a further embodiment, patch
By element 145 covering semielliptic spring 125 end 130 cross section region length can also be at the end of semielliptic spring
About the 60% or about 70% of the diameter of semielliptic spring 125 in the region in portion 130.Input side 105 then correspondingly bends, with
Just do not conflict with outlet side 110.
Fig. 3 shows another three-dimensional view of a part for the device 100 of the embodiment according to Fig. 2.Only outlet side 110
It is illustrated with the semielliptic spring 125 with optional end cap 135.As can be seen that semielliptic spring 125 is at which from the three-dimensional view
The region of end 130 includes two circles against each other.In other embodiments, three or more of semielliptic spring 125
Individual circle also can be in the region of its end 130 against each other.
Fig. 4 illustrates a further embodiment of the device 100 of Fig. 1.As in Fig. 2 with Fig. 3 shown in embodiment as, here
The element 145 that reclines is shaped to the contact pin of the sheet material of outlet side 110.Be not provided with or invisible can be connected with input side 105 from
Clutch shell.Alternatively, input side 105 is connected with support component 155, the support component similarly can be manufactured by sheet material and
Semielliptic spring 125 is axially supported to the left or radially inwardly.Can be directly through input side 105 or indirectly by this
Torque is for example transmitted by support component 155 to drive motor.
In the embodiment shown, outlet side 110 with little radius bend and does not follow arch bullet in upside right part
The profile of spring 125.The element 145 that reclines reclined with the end 130 of semielliptic spring 125 is substantially along such as above with reference to Fig. 2
Extend with identical direction in the embodiment of 3 descriptions, but long enough, to reach midpoint 150.Input side 105 is with corresponding
Mode bend, 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 embodiment of the device 100 of Fig. 1.Enforcement of the shown embodiment figure 4 illustrates
Mode is foundation, but the element 145 that reclines differently is molded.
Element 145 recline about in the circular cross section of end 130 from the side with regard to 115 inner radial of rotation axis
Intersected with the exterior domain of the end 130 of semielliptic spring 125 on position at 4 o'clock.The element 145 that reclines rise therefrom with arch in
The direction of point 150 extends.In the embodiment shown, the recline end of element 145 stops in such a region, described
Region is Wei Yu midpoint 150 and rotation axis 115 between.Here, the end section for axially extending of the element 145 that reclines is directly
Extend.In other embodiments, the recline end of element 145 also can be intersected with midpoint 150.Preferably, the basis of end 130
Depending on embodiment for 130 diameter of end about 30%, about 40% or about 50% region not by the element that reclines
145 cover.The region not being manipulated is preferably located on side of the end 130 with regard to the radially outer of rotation axis 115.
The above-mentioned feature referring to figs. 1 to described in 5 can be combined in each embodiment in an arbitrary manner.For shown
Or described embodiment is common, on the element 145 one in side 105,110 that reclines, only inner radial is being located at
The end 130 of semielliptic spring 125 described in section upper-pilot.
Reference numerals list
100 are used for transmitting the device of torque
105 input sides
110 outlet sides
115 rotation axis
120 bell housings
125 semielliptic springs
130 first ends
132 the second ends
135 end caps
140 retainers
145 recline element
150 midpoints
155 support components
Claims (9)
1. it is used for transmitting the device (100) of torque, including：
- input side (105) and outlet side (110), the input side and outlet side can be rotated around a rotation axis (115)；
- semielliptic spring (125), the semielliptic spring are arranged on the circumference of the rotation axis (115),
- wherein, the first end (130) of semielliptic spring (125) is reclined and the second end with the input side (105)
(132) recline with the outlet side (110)；
- retainer (140), to support the semielliptic spring (125) on the direction of radially outer,
Characterized in that,
Only reclining for-first end (130) is carried out on the section positioned at inner radial of the first end (130),
The section is located at regard to the rotation axis in the half portion of the inner radial of the end plane of the semielliptic spring.
2. according to claim 1 to device (100), wherein, the input side that reclines with the first end (130)
(105) recline element (145) with one, the element that reclines diametrically from inside to outside extends.
3. according to claim 1 and 2 to device (100), wherein, the input that reclines with the first end (130)
Side (105) is reclined element (145) with one, and the element that reclines is constructed as discrete element and torque is fixed in locking manner
On input side (105).
4. according to claim 1 and 2 to device (100), wherein, described first end (130) have circular cross section,
Also, the described covering cross section that reclines is to being the 50% of its diameter to the maximum.
5. according to claim 1 and 2 to device (100), wherein, input side (105) and the outlet side (110) are each
Recline from the first end (130) being provided for the semielliptic spring (125) and the second end (132).
6. according to claim 1 and 2 to device (100), wherein, semielliptic spring (125) are in its first end (130)
On including end cap (135).
7. according to claim 1 and 2 to device (100), wherein, semielliptic spring (125) are in its first end (130)
Region include multiple circles against each other.
8. according to claim 1 and 2 to device (100), wherein, input side (105) are provided for and drive motor
Connection.
9. according to claim 1 and 2 to device (100), wherein, outlet side (110) are provided for connecting with speed changer
Connect.
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 CN104854369A (en) | 2015-08-19 |
| CN104854369B true 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) |
Families Citing this family (14)
| 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 |
| DE102019208247A1 (en) * | 2019-06-06 | 2020-12-10 | Zf Friedrichshafen Ag | Torque transmission device |
| 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 (3)
| 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 |
| CN101300436A (en) * | 2005-10-29 | 2008-11-05 | 卢克摩擦片和离合器两合公司 | Torsional vibration damper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3664629B2 (en) * | 2000-03-09 | 2005-06-29 | 株式会社エクセディ | Fluid torque transmission device |
| WO2008064639A1 (en) * | 2006-11-29 | 2008-06-05 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Combination of a sealing washer and a leaf spring drive disk |
-
2013
- 2013-11-28 DE DE201310224437 patent/DE102013224437A1/en not_active Withdrawn
- 2013-11-28 WO PCT/DE2013/200322 patent/WO2014094761A1/en active Application Filing
- 2013-11-28 CN CN201380064439.4A patent/CN104854369B/en active Active
- 2013-11-28 DE DE112013006043.4T patent/DE112013006043A5/en active Pending
Patent Citations (3)
| 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 |
| CN101300436A (en) * | 2005-10-29 | 2008-11-05 | 卢克摩擦片和离合器两合公司 | Torsional vibration damper |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013224437A1 (en) | 2014-06-18 |
| WO2014094761A1 (en) | 2014-06-26 |
| CN104854369A (en) | 2015-08-19 |
| DE112013006043A5 (en) | 2015-09-17 |
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