CN206636982U - Torsional vibration damper and the engine flywheel with torsional vibration damper - Google Patents
Torsional vibration damper and the engine flywheel with torsional vibration damper Download PDFInfo
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- CN206636982U CN206636982U CN201720276872.XU CN201720276872U CN206636982U CN 206636982 U CN206636982 U CN 206636982U CN 201720276872 U CN201720276872 U CN 201720276872U CN 206636982 U CN206636982 U CN 206636982U
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- 238000013016 damping Methods 0.000 claims abstract description 305
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- 125000006850 spacer group Chemical group 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
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- 238000009434 installation Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 210000000515 tooth Anatomy 0.000 description 92
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Abstract
The utility model provides a kind of torsional vibration damper and the engine flywheel with torsional vibration damper, it is intended to and it is larger to solve existing torsional vibration damper axial dimension, and the problem of can not be installed and used because of axial dimension limited space when being used cooperatively with engine flywheel.Idling damper unit is arranged in the centre bore of main torsion damping unit damping disk(-isc) by torsional vibration damper of the present utility model, two axially arranged damper units are arranged between the first support plate and the second support plate again, have greatly reduced the axial dimension of torsional vibration damper.Flywheel ring gear is fixedly set in entirety outside the first support plate or the second support plate and, as engine flywheel, axial dimension is further have compressed, suitable for the occasion that axial dimension is narrower and small.
Description
Technical field
It the utility model is related to a kind of torsion damping being arranged between internal combustion engine crankshaft output and transmission input
Device and the engine flywheel with torsional vibration damper.
Background technology
Because the torque in automotive transmission periodically constantly varies, this allows for producing torsion in power train
Vibration.If the eigentone of this vibration frequency and power train is same or like, covibration will occur, for vehicle
Riding comfort and Parts for Power Train service life adversely affect.It is in addition, urgent in the case of regardless of luxuriant clutch
When braking or being quickly engaged clutch, moment will produce great shock loading, easily shorten the service life of part.To avoid producing
Raw resonance and decay amplitude, reduce the shock loading suffered by power train, therefore in the internal combustion engine crankshaft output and speed changer of vehicle
Torsional vibration damper is installed between input.
Because the damper unit and idling damper unit of existing torsional vibration damper use axial arranged scheme mostly so that turn round
It is larger to turn shock absorber entirety axial dimension, therefore can not be installed and used in some application scenarios.In addition, existing torsional vibration damper and
Engine flywheel with the use of when, there is also it is corresponding the problem of.
Utility model content
Based on background above, the utility model provides a kind of small torsional vibration damper of axial dimension, while provides one
Engine flywheel of the kind with torsional vibration damper.
Technical solution of the present utility model is：
Torsional vibration damper, including main torsion damping unit and idling torsion damping unit；Main torsion damping unit includes subtracting
Shake disk and multiple main shock-absorbing springs on damping disk(-isc)；Damping disk(-isc) edge has multiple resigning breach；Idling, which is reversed, to be subtracted
The unit that shakes includes vibration damping hub and multigroup idling damping spring component；Multigroup idling damping spring component is relative to vibration damping hub
Rotation axis is symmetrical arranged；
It is characterized in that：
The torsional vibration damper also includes the first support plate and the second support plate；First support plate and the second support plate are relative
Fasten and be fixedly connected, form installation cavity；
Be respectively arranged with the end face of first support plate and the second support plate quantity identical with the main shock-absorbing spring, mutually
The die cavity one and die cavity two to match, die cavity one and die cavity two jointly accommodate the main shock-absorbing spring wherein；
The multiple spacer pins corresponding with the resigning breach are additionally provided between first support plate and the second support plate；
The main torsion damping unit and idling torsion damping unit are arranged in the installation cavity, main torsion damping list
Member, idling torsion damping unit, the first support plate and the second support plate have common axis of rotation line；Main torsion damping unit phase
The Double-directional rotary of certain angle can be made around the rotation axis for the first support plate and the second support plate；Main torsion damping unit
Rotational angle depend on gap between the resigning breach and its corresponding spacer pin；
The damping disk(-isc) hub sleeve can make the double of certain angle in the centre bore of damping disk(-isc), and relative to the damping disk(-isc)
To rotation；
It is also respectively provided with the vibration damping hub outer rim, vibration damping center hole for limiting the idling shock-absorbing spring group
The position limiting structure of part decrement；The idling damping spring component is arranged between the radial direction between the vibration damping hub and damping disk(-isc)
It is compressed in gap and respectively in the position limiting structure；
The power transmission knot for being used to transmit main moment of torsion to match is respectively arranged with vibration damping hub outer rim, vibration damping center hole
Structure；The force transferring structure is between any two groups of idling damping spring components.
Based on above-mentioned basic technical scheme, the utility model also makes following optimization and/or restriction.
To make effectiveness in vibration suppression more preferable, the force transferring structure is provided between two adjacent groups idling damping spring component.
Further, above-mentioned idling damping spring component includes N number of being arranged symmetrically relative to vibration damping hub central axis
First idling shock-absorbing spring and N number of the second idling shock-absorbing spring being arranged symmetrically relative to vibration damping hub central axis；N be more than
Even number equal to 2；The limiting tooth includes N number of first limiting tooth being arranged in vibration damping hub outer rim and is arranged on damping disk(-isc)
N number of second limiting tooth and N number of 3rd limiting tooth on centre bore；First limiting tooth is used to limit the first idling vibration damping
The decrement of spring and the second idling shock-absorbing spring, N number of first limiting tooth are arranged symmetrically relative to the central axis of vibration damping hub；
Second limiting tooth is used for the decrement for limiting the first idling shock-absorbing spring, and N number of second limiting tooth is relative to damping disk(-isc)
Central axis be arranged symmetrically；Decrement of 3rd limiting tooth for limiting the second idling shock-absorbing spring, the N number of 3rd
Limiting tooth is arranged symmetrically relative to the central axis of damping disk(-isc)；After assembling, first limiting tooth is located at second limiting tooth
And the 3rd between limiting tooth；The first idling shock-absorbing spring is compressed between first limiting tooth and the second limiting tooth, the
Two idling shock-absorbing springs are compressed between the first limiting tooth and the 3rd limiting tooth.
During actual design, the limiting tooth in above-mentioned damping disk(-isc) and vibration damping hub is interchangeable, that is to say, that in vibration damping disk center
N number of first limiting tooth is set on hole, accordingly, N number of second limiting tooth and N number of 3rd limiting tooth are set in vibration damping hub；Tool
Body is：The idling damping spring component includes N number of the first idling vibration damping being arranged symmetrically relative to vibration damping hub central axis
Spring and N number of the second idling shock-absorbing spring being arranged symmetrically relative to vibration damping hub central axis；N is the even number more than or equal to 2；
The limiting tooth includes N number of first limiting tooth being arranged in vibration damping center hole and the N being arranged in vibration damping hub outer rim
Individual second limiting tooth and N number of 3rd limiting tooth；First limiting tooth is used to limit the first idling shock-absorbing spring and second
The decrement of idling shock-absorbing spring, N number of first limiting tooth are arranged symmetrically relative to the central axis of damping disk(-isc)；Described second is spacing
Tooth is used to limiting the decrement of the first idling shock-absorbing spring, N number of second limiting tooth relative to vibration damping hub central axis
It is arranged symmetrically；3rd limiting tooth is used for the decrement for limiting the second idling shock-absorbing spring, and N number of 3rd limiting tooth is relative
It is arranged symmetrically in the central axis of vibration damping hub；After assembling, first limiting tooth is located at second limiting tooth and the 3rd limit
Between the tooth of position；The first idling shock-absorbing spring is compressed between first limiting tooth and the second limiting tooth, and the second idling subtracts
Spring-compressed shake between the first limiting tooth and the 3rd limiting tooth.
Further, above-mentioned force transferring structure includes being arranged on central shaft in vibration damping center hole, relative to damping disk(-isc)
M the first power transmission teeth that line is arranged symmetrically, and it is arranged on central axis in vibration damping hub outer rim, relative to vibration damping hub
M the second power transmission teeth and M the 3rd power transmission teeth being arranged symmetrically；M is the even number more than or equal to 2；After assembling, described first passes
Power tooth position is between the second power transmission tooth and the 3rd power transmission tooth.
Equally, the power transmission tooth in above-mentioned damping disk(-isc) and vibration damping hub is interchangeable, that is to say, that is set in vibration damping center hole
M the first power transmission teeth are put, accordingly, M the second power transmission teeth and N number of 3rd power transmission tooth are set in vibration damping hub；Specially：Institute
Stating power transmission tooth includes being arranged in vibration damping hub outer rim, being arranged symmetrically relative to the central axis of vibration damping hub M the
One power transmission tooth, and it is arranged on M individual second in vibration damping center hole, being arranged symmetrically relative to the central axis of damping disk(-isc)
Power transmission tooth and M the 3rd power transmission teeth；M is the even number more than or equal to 2；After assembling, the first power transmission tooth position passes in described second
Between power tooth and the 3rd power transmission tooth.
Further, above-mentioned torsional vibration damper also includes main damping piece, main damping diaphragm spring, idling vibration damping
Damping fin, idling damping diaphragm spring and shared damping fin；The first projection, the first projection are provided with main damping piece
Between the tooth form of main damping diaphragm spring and in axially extended main damping diaphragm spring and insert the second support plate
On hole in, by main damping diaphragm spring compression be loaded between the main support plate of shock-absorbing spring second and main damping piece,
In a circumferential direction main damping piece and main damping diaphragm spring relative to the second support plate without relative rotation；And master subtracts
The damping fin that shakes then is pressed on damping disk(-isc), and main damping piece along the circumferential direction can Bidirectional slide relative to damping disk(-isc)；Subtract in idling
That shakes damping fin is radially provided with the second projection, and the second projection is on main damping piece in corresponding groove, in circumferencial direction
Upper idling damping piece and main damping piece are without relative rotation, idling damping piece and main damping piece in the axial direction
It is non-interference；Idling damping diaphragm spring is compressed between the second support plate and idling damping piece, the resistance of idling vibration damping
Buddhist nun's diaphragm spring and idling damping piece are relative to the second support plate without relative rotation, and idling damping piece is then pressed in and subtracted
Shake in hub, idling damping piece circumferentially can Bidirectional slide relative to vibration damping hub；Shared damping fin is arranged on damping disk(-isc)
And first between support plate, compressed by damping disk(-isc), vibration damping hub and the first support plate.
Further, the spline for transmitting moment of torsion is provided with the centre bore of above-mentioned vibration damping hub.
The utility model additionally provides a kind of engine flywheel with above-mentioned torsional vibration damper, including flywheel ring gear；Institute
State flywheel ring gear to be sleeved on outside first support plate and be connected with it, or the flywheel ring gear is sleeved on second support
Disk is outer and is connected with it；First support plate or the second support plate are connected with engine crankshaft output end.
The utility model has the advantages that：
Torsion damping unit and idling damper unit radial arrangement are reduced the axial direction of torsional vibration damper by the utility model
Size, the narrow and small occasion of axial dimension can be applied to；Start in addition, torsional vibration damper is installed in flywheel ring gear to be integrally used as
Torsional vibration damper and engine flywheel (are integrated) by machine flywheel, further have compressed axial dimension, suitable for axial chi
Very little narrower and small occasion.
Brief description of the drawings
Fig. 1 is explosive view of the present utility model；
Fig. 2 is explosive view of the present utility model (another angle)；
Fig. 3 is structural representation of the present utility model (installation diagram)；
Label in figure：The support plates of 11- first；111- die cavities one；112- pin-and-holes one；The support plates of 12- second；121- die cavities
Two；122- pin-and-holes two；123- holes；13- bolts；14- spacer pins；21- vibration damping hubs；211 first limiting tooths；The power transmissions of 212- second
Tooth；The power transmission teeth of 213- the 3rd；214- splines；22- damping disk(-isc)s；221- windows；222- resigning breach；The limiting tooths of 223- second；
224- the first power transmission teeth；The limiting tooths of 225- the 3rd；The main shock-absorbing springs of 31-；32- the first idling shock-absorbing springs；The idling of 33- second subtracts
Shake spring；41- idling damping diaphragm springs；The main damping diaphragm springs of 42-；51- idling damping pieces；511-
Two projections；The main damping pieces of 52-；The projections of 521- first, 522- grooves；53- shares damping fin；6- flywheel ring gears.
Embodiment
Fig. 1~3 are a specific embodiment of torsional vibration damper provided by the utility model, and it mainly includes relative button
(in the one end of spacer pin 14 insertion pin-and-hole 1, the insertion of the other end of spacer pin 14 is sold for eight bolts of merga pass and four spacer pins
In hole 2 122) the first support plate 11 and the second support plate 12 that are fastenedly connected, and installed in the first support plate 11 and second
Main torsion damping unit and idling torsion damping unit between support plate 12.
Offer four recessed die cavities 1 and die cavity two respectively in the first support plate 11 and the second support plate 12
121, after the first support plate 11 and the second support plate 12 snap together, die cavity 1 and die cavity 2 121 are corresponding, are formed and held
Receive the space of main shock-absorbing spring 31.
Also formed between the first support plate 11 and the second support plate 12 and accommodate main damper unit and idling damper unit
Space, main damper unit, idling damper unit, the first support plate 11 and the second support plate 12 have common axis of rotation line, around
The main damper unit of this rotation axis can make two-way relative turn of certain angle relative to the first support plate 11 and the second support plate 12
It is dynamic.
Main torsion damping unit mainly includes four groups of main shock-absorbing springs 31 and a damping disk(-isc) 22.It is provided with damping disk(-isc) 22
Accommodate four windows 221 of main shock-absorbing spring 31 and accommodate the resigning breach 222 of spacer pin 14.Four windows 221 and first
Four die cavities 2 121 in the support plate 12 of four die cavities one 111 and second on support plate 11 are just corresponding, and they jointly subtract master
The spring 31 that shakes accommodates wherein.
Can bi-directional compression master when damping disk(-isc) 22 is relative to the first support plate 11 and the second 12 two-way relative rotation of support plate
Shock-absorbing spring 31 is impacted with buffering vibration；Activity space between resigning breach 222 and spacer pin 14 on damping disk(-isc) 22 limits
Damping disk(-isc) 22 is relative to the first support plate 11 and the anglec of rotation of the forward and reverse of the second support plate 12.
Idling torsion damping unit mainly includes a vibration damping hub 21, two by the first idling shock-absorbing spring 32 and second
The idling shock-absorbing spring group that idling shock-absorbing spring 33 forms.Vibration damping hub 21 is enclosed in the centre bore of damping disk(-isc) 22, the two rotation
Axis overlaps.
It is provided with the outer rim of vibration damping hub 21 and is used to limit the first idling shock-absorbing spring 32 and the second idling shock-absorbing spring 33
Two the first limiting tooths 211 of decrement and two the second power transmission teeth 212 and two the 3rd power transmission teeth for transmitting main moment of torsion
213, the spline 214 of outside output torque is additionally provided with the centre bore of vibration damping hub 21.
Two second limits for limiting the decrement of the first idling shock-absorbing spring 32 are provided with the centre bore of damping disk(-isc) 22
Position tooth 223, two the 3rd limiting tooths 225 for limiting the decrement of the second idling shock-absorbing spring 33, and for transmitting main torsion
Two the first power transmission teeth 224 of square；
First idling shock-absorbing spring 32 and the second idling shock-absorbing spring 33 are arranged between vibration damping hub 21 and damping disk(-isc) 22
Radial clearance in, wherein the compression of the first idling shock-absorbing spring 32 be installed on the first limiting tooth 211 and the second limiting tooth 223 it
Between, the second idling shock-absorbing spring 33 is compressed between the first limiting tooth 211 and the 3rd limiting tooth 225.Two the first idling vibration dampings
32, two, spring the first limiting tooth 211, two of the second idling shock-absorbing spring 33, two the second limiting tooth 223, two the 3rd limits
Position tooth 225, two the first power transmission teeth, 224, two the second power transmission teeth 212 and two the 3rd power transmission teeth 213 are both with respect to vibration damping
Disk 22 or the central axis of vibration damping hub 21 are arranged symmetrically, and are both provided with one group of biography between adjacent two each idling shock-absorbing spring group
Power tooth is first, second and third power transmission tooth.First and second idling shock-absorbing spring, first, second and third power transmission tooth and first, second and third spacing
The quantity of tooth can increase and reduce according to being actually needed.
In order that twisting vibration decays rapidly, torsional vibration damper also includes main damping piece 52, main damping diaphragm
Spring 42, idling damping piece 51, idling damping diaphragm spring 41 and shared damping fin 53.
The first projection 521 is provided with main damping piece 52, the first projection 521 is embedded in main damping diaphragm spring 42
Tooth form between and axially extended main damping diaphragm spring 42 and insert the second support plate 12 on hole 123 in, by master subtract
The damped diaphragm spring 42 that shakes is installed between main the second support plate of shock-absorbing spring 12 and main damping piece 52 in compressive state,
On circumferencial direction main damping piece 52 and main damping diaphragm spring 42 relative to the second support plate 12 without relative rotation；And
Main damping piece 52 is then pressed on damping disk(-isc) 22, and main damping piece 52 along the circumferential direction can two-way cunning relative to damping disk(-isc) 22
It is dynamic.
The second projection 511 is radially provided with idling damping piece 51, the second projection 511 is embedded in main damping piece
On 52 in corresponding groove 522, idling damping piece 51 and main damping piece 52 are without relative rotation in a circumferential direction, in axle
Upward idling damping piece 51 and main damping piece 52 are non-interference；Idling damping diaphragm spring 41 is compressed in second
Between support plate 12 and idling damping piece 51, idling damping diaphragm spring 41 and idling damping piece 51 relative to
Second support plate 12 is without relative rotation, and idling damping piece 51 is then pressed in vibration damping hub 21, idling damping piece 51
Circumferentially can Bidirectional slide relative to vibration damping hub 21.
Share damping fin 53 to be arranged between the support plate 11 of damping disk(-isc) 22 and first, carried by main damping diaphragm spring 42
For normal pressure so that between main damping piece 52 and damping disk(-isc) 22 and between shared damping fin 53 and damping disk(-isc) 22, or
Frictional damping torque is produced between the shared support plate 11 of damping fin 53 and first, decay damping disk(-isc) 22 is relative to the first support plate 11
With the Oscillation Amplitude of the second support plate 12.
Share damping fin 53 to be also arranged between the support plate 11 of vibration damping hub 21 and first simultaneously, by idling damping film
Flat spring 41 provides normal pressure so that between idling damping piece 51 and vibration damping hub 21 and shared damping fin 53 and vibration damping
Between hub 21, or frictional damping torque is produced between the support plate 11 of shared damping fin 53 and first, the phase of decay vibration damping hub 21
For the Oscillation Amplitude of the first support plate 11 and the second support plate 12.
In order to further compress axial dimension, the utility model is connected outside the first support plate 11 or the second support plate 12
There is flywheel ring gear 6, an engine flywheel for carrying torsional vibration damper is integrally formed.In use, by engine crankshaft output end
It is fixed on the centre bore of the first support plate 11 or the second support plate 12.
The course of work of the present utility model：As shown in Figure 1, Figure 2 and Figure 3, engine torque is delivered to second by bent axle
On support plate 12, because the first support plate 11 and the second support plate 12 are fixed on one by bolt 13 and spacer pin 14, therefore send out
The moment of torsion of motivation is also passed in the first support plate 11, and moment of torsion transfer route is as follows：
1st, main torsion damping unit moment of torsion transfer route：
The support plate of engine crankshaft torque output end → first and second 11 and 12 → main shock-absorbing spring 31 or, main vibration damping bullet
Spring 31 and spacer pin 14 → damping disk(-isc), 22 → vibration damping hub 21 → outwards output
When transmitting main moment of torsion, the 3rd limiting tooth 225 will contact the 3rd power transmission tooth 213, the first power transmission tooth 224 will contact second
Power transmission tooth 212, outwards transmitted by vibration damping hub 21.If the moment of torsion transmitted is very big, main shock-absorbing spring 31 is not enough to transmit so
Big moment of torsion, then spacer pin 14 contact damping disk 22, moment of torsion are delivered to vibration damping together by main shock-absorbing spring 31 and spacer pin 14
On disk 22.
2nd, idling torsion damping unit moment of torsion transfer route：
The support plate of engine crankshaft torque output end → first and second 11 and 12 → main 31 → damping disk(-isc) of shock-absorbing spring 22 → the
One 21 → outwards output of idling 32 → vibration damping of shock-absorbing spring hub
If the idling moment of torsion transmitted is very big, the first idling shock-absorbing spring 32 is not enough to transmit so big moment of torsion, then the
Three limiting tooths 225 will contact the 3rd power transmission tooth 213, the first power transmission tooth 224 will contact the second power transmission tooth 212, and moment of torsion will be by first
Idling shock-absorbing spring 32 and power transmission tooth are delivered on damping disk(-isc) 22 together.Second idling shock-absorbing spring 33 plays reverse cushioning effect.
Claims (10)
1. torsional vibration damper, including main torsion damping unit and idling torsion damping unit；Main torsion damping unit includes vibration damping
Disk (22) and multiple main shock-absorbing springs (31) on damping disk(-isc) (22)；Damping disk(-isc) (22) edge has multiple step down to lack
Mouth (222)；Idling torsion damping unit includes vibration damping hub (21) and multigroup idling damping spring component；Multigroup idling vibration damping bullet
Spring component is symmetrical arranged relative to the rotation axis of vibration damping hub (21)；
It is characterized in that：
The torsional vibration damper also includes the first support plate (11) and the second support plate (12)；First support plate (11) and second
Support plate (12) is relative to be fastened and is fixedly connected, and forms installation cavity；
It is respectively arranged with the end face of first support plate (11) and the second support plate (12) identical with the main shock-absorbing spring (31)
Quantity, the die cavity one (111) and die cavity two (121) that match each other, die cavity one (111) and die cavity two (121) jointly will described in
Main shock-absorbing spring (31) accommodates wherein；
It is additionally provided between first support plate (11) and the second support plate (12) corresponding with the resigning breach (222) multiple
Spacer pin (14)；
The main torsion damping unit and idling torsion damping unit are arranged in the installation cavity, main torsion damping unit, idle
Fast torsion damping unit, the first support plate (11) and the second support plate (12) have common axis of rotation line；Main torsion damping list
Member can make the Double-directional rotary of certain angle relative to the first support plate (11) and the second support plate (12) around the rotation axis；It is main
The rotational angle of torsion damping unit depends on the gap between the resigning breach (222) and its corresponding spacer pin (14)；
The vibration damping hub (21) is sleeved in the centre bore of damping disk(-isc) (22), and can be made necessarily relative to the damping disk(-isc) (22)
The Double-directional rotary of angle；
It is also respectively provided with vibration damping hub (21) outer rim, damping disk(-isc) (22) centre bore for limiting the idling vibration damping bullet
The position limiting structure of spring component decrement；The idling damping spring component is arranged on the vibration damping hub (21) and damping disk(-isc) (22)
Between radial clearance in and be compressed in respectively in the position limiting structure；
The power transmission for being used to transmit main moment of torsion to match is respectively arranged with vibration damping hub (21) outer rim, damping disk(-isc) (22) centre bore
Structure；The force transferring structure is between any two groups of idling damping spring components.
2. torsional vibration damper according to claim 1, it is characterised in that：Between two adjacent groups idling damping spring component
It is provided with the force transferring structure.
3. torsional vibration damper according to claim 2, it is characterised in that：The idling damping spring component includes N number of phase
The first idling shock-absorbing spring (32) for being arranged symmetrically for vibration damping hub (21) central axis and N number of relative to vibration damping hub (21)
The second idling shock-absorbing spring (33) that central axis is arranged symmetrically；N is the even number more than or equal to 2；
The limiting tooth includes N number of first limiting tooth (211) being arranged in vibration damping hub (21) outer rim and is arranged on vibration damping
N number of second limiting tooth (223) and N number of 3rd limiting tooth (225) on disk (22) centre bore；
First limiting tooth (211) is used to limit the first idling shock-absorbing spring (32) and the second idling shock-absorbing spring (33)
Decrement, N number of first limiting tooth (211) is arranged symmetrically relative to the central axis of vibration damping hub (21)；
Second limiting tooth (223) is used for the decrement for limiting the first idling shock-absorbing spring (32), N number of second limiting tooth
(223) it is arranged symmetrically relative to the central axis of damping disk(-isc) (22)；
3rd limiting tooth (225) is used for the decrement for limiting the second idling shock-absorbing spring (33), N number of 3rd limiting tooth
(225) it is arranged symmetrically relative to the central axis of damping disk(-isc) (22)；
After assembling, first limiting tooth (211) is between second limiting tooth (223) and the 3rd limiting tooth (225)；Institute
State the first idling shock-absorbing spring (32) to be compressed between first limiting tooth (211) and the second limiting tooth (223), the second idling
Shock-absorbing spring (33) is compressed between the first limiting tooth (211) and the 3rd limiting tooth (225).
4. torsional vibration damper according to claim 2, it is characterised in that：
The idling damping spring component subtracts including N number of the first idling being arranged symmetrically relative to vibration damping hub (21) central axis
Shake spring (32) and N number of the second idling shock-absorbing spring (33) being arranged symmetrically relative to vibration damping hub (21) central axis；N is big
In the even number equal to 2；
The limiting tooth includes N number of first limiting tooth being arranged on damping disk(-isc) (22) centre bore and is arranged on vibration damping hub
(21) N number of second limiting tooth in outer rim and N number of 3rd limiting tooth；
First limiting tooth is used for the pressure for limiting the first idling shock-absorbing spring (32) and the second idling shock-absorbing spring (33)
Contracting amount, N number of first limiting tooth are arranged symmetrically relative to the central axis of damping disk(-isc) (22)；
Second limiting tooth is used for the decrement for limiting the first idling shock-absorbing spring (32), and N number of second limiting tooth is relative
It is arranged symmetrically in the central axis of vibration damping hub (21)；
3rd limiting tooth is used for the decrement for limiting the second idling shock-absorbing spring (33), and N number of 3rd limiting tooth is relative
It is arranged symmetrically in the central axis of vibration damping hub (21)；
After assembling, first limiting tooth is between second limiting tooth and the 3rd limiting tooth；The first idling vibration damping
Spring (32) is compressed between first limiting tooth and the second limiting tooth, and the second idling shock-absorbing spring (33) is compressed in the first limit
Between position tooth and the 3rd limiting tooth.
5. the torsional vibration damper according to claim 3 or 4, it is characterised in that：
The force transferring structure is on damping disk(-isc) (22) centre bore, symmetrical relative to the central axis of damping disk(-isc) (22) including being arranged on
M the first power transmission teeth (224) of arrangement, and be arranged in vibration damping hub (21) outer rim, relative to vibration damping hub (21)
M the second power transmission teeth (212) and M the 3rd power transmission teeth (213) that central axis is arranged symmetrically；M is the idol more than or equal to 2
Number；
After assembling, the first power transmission tooth (224) is between the second power transmission tooth (212) and the 3rd power transmission tooth (213).
6. the torsional vibration damper according to claim 3 or 4, it is characterised in that：
The power transmission tooth is in vibration damping hub (21) outer rim, right relative to the central axis of vibration damping hub (21) including being arranged on
Claim M the first power transmission teeth of arrangement, and be arranged on central shafts on damping disk(-isc) (22) centre bore, relative to damping disk(-isc) (22)
M the second power transmission teeth and M the 3rd power transmission teeth that line is arranged symmetrically；M is the even number more than or equal to 2；
After assembling, the first power transmission tooth position is between the second power transmission tooth and the 3rd power transmission tooth.
7. according to the torsional vibration damper described in claim 1,2,3 or 4, it is characterised in that：Also include main damping piece (52),
Main damping diaphragm spring (42), idling damping piece (51), idling damping diaphragm spring (41) and shared damping
Piece (53)；
The first projection (521) is provided with main damping piece (52), the first projection (521) is embedded in main damping diaphragm spring
(42) hole (123) between tooth form and on axially extended main damping diaphragm spring (42) and the second support plate of insertion (12)
In, the compression of main damping diaphragm spring (42) is loaded on the main support plate of shock-absorbing spring second (12) and main damping piece (52)
Between, main damping piece (52) and main damping diaphragm spring (42) are relative to the second support plate (12) in a circumferential direction
Without relative rotation；And main damping piece (52) is then pressed on damping disk(-isc) (22), main damping piece (52) is relative to damping disk(-isc)
(22) along the circumferential direction can Bidirectional slide；
The second projection (511) is radially provided with idling damping piece (51), the second projection (511) is embedded in main damping
On piece (52) in corresponding groove (522), idling damping piece (51) and main damping piece (52) are without phase in a circumferential direction
To rotating, idling damping piece (51) and main damping piece (52) are non-interference in the axial direction；Idling damping diaphragm
Spring (41) is compressed between the second support plate (12) and idling damping piece (51), idling damping diaphragm spring (41)
With idling damping piece (51) relative to the second support plate (12) without relative rotation, and idling damping piece (51) is then pressed in
In vibration damping hub (21), idling damping piece (51) circumferentially can Bidirectional slide relative to vibration damping hub (21)；
Share damping fin (53) to be arranged between damping disk(-isc) (22) and the first support plate (11), by damping disk(-isc) (22), vibration damping hub
(21) compressed with the first support plate (11).
8. torsional vibration damper according to claim 5, it is characterised in that：Also include main damping piece (52), main vibration damping
Damped diaphragm spring (42), idling damping piece (51), idling damping diaphragm spring (41) and shared damping fin (53)；
The first projection (521) is provided with main damping piece (52), the first projection (521) is embedded in main damping diaphragm spring
(42) hole (123) between tooth form and on axially extended main damping diaphragm spring (42) and the second support plate of insertion (12)
In, the compression of main damping diaphragm spring (42) is loaded on the main support plate of shock-absorbing spring second (12) and main damping piece (52)
Between, main damping piece (52) and main damping diaphragm spring (42) are relative to the second support plate (12) in a circumferential direction
Without relative rotation；And main damping piece (52) is then pressed on damping disk(-isc) (22), main damping piece (52) is relative to damping disk(-isc)
(22) along the circumferential direction can Bidirectional slide；
The second projection (511) is radially provided with idling damping piece (51), the second projection (511) is embedded in main damping
On piece (52) in corresponding groove (522), idling damping piece (51) and main damping piece (52) are without phase in a circumferential direction
To rotating, idling damping piece (51) and main damping piece (52) are non-interference in the axial direction；Idling damping diaphragm
Spring (41) is compressed between the second support plate (12) and idling damping piece (51), idling damping diaphragm spring (41)
With idling damping piece (51) relative to the second support plate (12) without relative rotation, and idling damping piece (51) is then pressed in
In vibration damping hub (21), idling damping piece (51) circumferentially can Bidirectional slide relative to vibration damping hub (21)；
Share damping fin (53) to be arranged between damping disk(-isc) (22) and the first support plate (11), by damping disk(-isc) (22), vibration damping hub
(21) compressed with the first support plate (11).
9. according to the torsional vibration damper described in claim 1,2,3 or 4, it is characterised in that：The center of the vibration damping hub (21)
The spline (214) for transmitting moment of torsion is provided with hole.
10. the engine flywheel with any torsional vibration damper of claim 1 to 9, including flywheel ring gear (6)；Its feature
It is：
The flywheel ring gear (6) is sleeved on first support plate (11) outside and is connected with it, or the flywheel ring gear (6) set
It is outside and connected with it mounted in second support plate (12)；First support plate (11) or the second support plate (12) and engine
Crankshaft output end is connected.
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| CN201720276872.XU CN206636982U (en) | 2017-03-21 | 2017-03-21 | Torsional vibration damper and the engine flywheel with torsional vibration damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720276872.XU CN206636982U (en) | 2017-03-21 | 2017-03-21 | Torsional vibration damper and the engine flywheel with torsional vibration damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870632A (en) * | 2017-03-21 | 2017-06-20 | 陕西国力信息技术有限公司 | Torsional vibration damper and the engine flywheel with torsional vibration damper |
| CN108591363A (en) * | 2018-04-28 | 2018-09-28 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of oil-electric vehicle shock-absorption connecting structure |
| CN110094454A (en) * | 2019-05-23 | 2019-08-06 | 太原科技大学 | A kind of vehicle shaft multi-buffer damper mechanism |
| CN110594398A (en) * | 2019-08-30 | 2019-12-20 | 华域动力总成部件***(上海)有限公司 | Spline structure integrating multistage vibration reduction function |
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2017
- 2017-03-21 CN CN201720276872.XU patent/CN206636982U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870632A (en) * | 2017-03-21 | 2017-06-20 | 陕西国力信息技术有限公司 | Torsional vibration damper and the engine flywheel with torsional vibration damper |
| CN108591363A (en) * | 2018-04-28 | 2018-09-28 | 福建省汽车工业集团云度新能源汽车股份有限公司 | A kind of oil-electric vehicle shock-absorption connecting structure |
| CN108591363B (en) * | 2018-04-28 | 2020-02-07 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Shock attenuation connection structure for oil-electricity hybrid vehicle |
| CN110094454A (en) * | 2019-05-23 | 2019-08-06 | 太原科技大学 | A kind of vehicle shaft multi-buffer damper mechanism |
| CN110094454B (en) * | 2019-05-23 | 2021-04-23 | 太原科技大学 | Multi-stage buffering vibration reduction mechanism for rotating shaft of vehicle |
| CN110594398A (en) * | 2019-08-30 | 2019-12-20 | 华域动力总成部件***(上海)有限公司 | Spline structure integrating multistage vibration reduction function |
| CN110594398B (en) * | 2019-08-30 | 2024-06-21 | 华域动力总成部件***(上海)有限公司 | Spline structure integrating multistage vibration reduction function |
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