CN103727174B - Torsion damper - Google Patents
Torsion damper Download PDFInfo
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- CN103727174B CN103727174B CN201410004215.0A CN201410004215A CN103727174B CN 103727174 B CN103727174 B CN 103727174B CN 201410004215 A CN201410004215 A CN 201410004215A CN 103727174 B CN103727174 B CN 103727174B
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- adpting flange
- mass
- limiting device
- vibration damper
- torsional vibration
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Abstract
The invention discloses a torsion damper which comprises a mass block, a connecting flange and inherent frequency rubber blocks arranged between the mass block and the connecting flange and along the outer circumference of the connecting flange. The connecting flange is coaxially arranged in the mass block, an axial limiting device, a radial limiting device and a torsion limiting device are arranged between the connecting flange and the mass block, and the number of the axial limiting device, the number of the radial limiting device and the number of the torsion limiting device are all at least one. The torsion damper is simple in structure, the phenomenon that the load of parts exceeds the operation range is limited in the finished vehicle road testing process on the premise that the operation performance of the vehicle parts is satisfied, the torsion fluctuation condition of the transmission shaft is improved, the overall service life of the parts is prolonged, and the maintenance cost of the vehicle is reduced.
Description
Technical field
The present invention relates to a kind of vibroshock, more particularly to a kind of torsional vibration damper of vehicle body.
Background technology
As illustrated by figure 1 of the drawings, it is in mass and connection method to the damper structure sold on existing market and use
Fill out between orchid and be provided with the shake that natural frequency block rubber brings come the vibrations to reduce electromotor.But in practical application and test
In, power transmission shaft jitter conditions ratio is more serious, this mainly by the shake of electromotor, the fluctuation of output torque and power transmission shaft arrangement and
Structure causes；During through finished automobile road test, four natural frequency rubber occur, it acts primarily as absorption torsional oscillation effect, but
Because natural frequency rubber operating mode is severe in actual moving process, pre-burst lost efficacy, and therefore natural frequency rubber is often sent out
Raw destruction and cracking phenomena.
Content of the invention
The present invention completes to solve of the prior art not enough, it is an object of the invention to provide a kind of structure is simple
Singly, on the premise of meeting auto parts service behaviour, during being limited in through finished automobile road test, part is in the load beyond working range
Lotus situation occurs, improves power transmission shaft torsional wave emotionally condition, improves part whole service life, reduces the torsion of vehicle maintenance cost
Vibroshock.
A kind of torsional vibration damper of the present invention, including mass, adpting flange and be arranged at described mass with described
The natural frequency block rubber along the setting of described adpting flange periphery between adpting flange, described adpting flange is coaxially disposed in institute
State in mass, between described adpting flange and described mass, be provided with axially stop block, radial limiting device and torsion
Stopping means, described axially stop block, described radial limiting device and described torsion stopping means quantity are at least one.
A kind of torsional vibration damper of the present invention it may also is that
Each described axially stop block, each radial limiting device and each described reverse that stopping means are equally spaced is located on institute
State between mass and described adpting flange.
Be provided between described mass and described adpting flange three axially stop blocks, three radial limiting devices and
Three torsion stopping means, three described axially stop blocks are arranged at equal intervals along described adpting flange excircle, described in three
Radial limiting device is arranged at equal intervals along described adpting flange excircle, and three described stopping means that reverse are along described adpting flange
Excircle is arranged at equal intervals.
Described axially stop block is the position-limitting pin through described mass and described adpting flange.
It is provided with screwed hole, on described adpting flange, corresponding position is provided with through hole on described mass, described spacing
Threaded in the through hole that pin interts on described adpting flange and with described mass upper screwed hole.
Described radial limiting device is the radial direction limited block along the setting of described adpting flange periphery, described radial direction limited block folder
It is located between described mass and described adpting flange, between leaving between described radial direction limited block top and described mass inwall
Gap.
Described radial direction limited block includes the radially fixed block rubber positioned at bottom and is located at described radially fixed block rubber top
The radial direction banking stop in portion, leaves between described radial direction banking stop top and the inwall of described mass, described radially fixed rubber
The lower surface of block is connected with the sulfuration of described adpting flange outer surface.
Described torsion stopping means include two parallel slots being arranged on described mass inwall and are arranged on institute
State the slotting rib on adpting flange outer wall, described slotting rib and described slot grafting.
It is provided with the fin of projection between described two slots, described fin is provided with through hole, plugs in described through hole
There is described axially stop block, described axially stop block bottom and described adpting flange are detachably connected.
Described slot by described fin near the radial limiting device of described fin and described natural frequency block rubber it
Between space formed.
A kind of torsional vibration damper of the present invention, it includes mass, adpting flange and is arranged at described mass and institute
State between adpting flange along described adpting flange periphery setting natural frequency block rubber, described adpting flange be coaxially disposed in
In described mass, between described adpting flange and described mass, it is provided with axially stop block, radial limiting device and torsion
Turn stopping means, described axially stop block, described radial limiting device and described torsion stopping means quantity are at least one
Individual.So, in car running process, the axial direction that axially stop block reduces vibration damping natural frequency block rubber is torn, and improves it
Life-span, and it also has limit protection function, it is to avoid and after the inefficacy of vibration damping natural frequency block rubber, mass comes off and breaks other
Part, and radial limiting device then slow down automobile under road conditions of jolting mass with respect to adpting flange because of natural frequency block rubber
Occurred by radial inertial force deforming, lead to the situation that mass forms centrifugal force because eccentric to occur, improve vibration damping and energy-absorbing work
Make the region rubber fatigue life-span, and the effect reversing stopping means is that when vehicle starting, brake hard and high pulling torque fluctuation
In the case of, reverse stopping means and limit the windup-degree between mass and adpting flange, it is to avoid natural frequency block rubber can produce
The big torsional deflection of life, the working range beyond block rubber is so that rubber tears and premature failure.So, with respect to existing
Have the advantages that technology be structure simple, on the premise of meeting auto parts service behaviour, during being limited in through finished automobile road test, zero
Part occurs, improves power transmission shaft torsional wave emotionally condition in the load condition beyond working range, improves part whole service life, fall
Low vehicle maintenance cost.
Brief description
Fig. 1 prior art torsional vibration damper sectional view.
A kind of cross-sectional sectional view of torsional vibration damper of Fig. 2 present invention.
A kind of vertical profile sectional view of torsional vibration damper of Fig. 3 present invention.
A kind of Fig. 4 present invention torsional vibration damper exploded perspective view.
Figure number explanation
1 ... mass 2 ... adpting flange 3 ... natural frequency block rubber
4 ... position-limitting pin 5 ... through hole 6 ... radial direction limited blocks
7 ... radially fixed block rubber 8 ... radial direction banking stop 9 ... slots
10 ... slotting rib 11 ... fin 12 ... screwed holes
Specific embodiment
Fig. 2 to Fig. 4 below in conjunction with the accompanying drawings is described in further detail to a kind of torsional vibration damper of the present invention.
A kind of torsional vibration damper of the present invention, refer to Fig. 2 to Fig. 4, including mass 1, adpting flange 2 and be arranged at
The natural frequency block rubber 3 along the setting of described adpting flange 2 periphery between described mass 1 and described adpting flange 2, described
Adpting flange 2 is coaxially disposed in described mass 1, is provided with axial limiting between described adpting flange 2 and described mass 1
Device, radial limiting device and torsion stopping means, described axially stop block, described radial limiting device and described torsion limit
Position device quantity is at least one.So, in car running process, axially stop block reduces vibration damping natural frequency rubber
The axial direction of block 3 is torn, and improves its life-span, and it also has limit protection function, it is to avoid vibration damping natural frequency block rubber 3 lost efficacy
Mass 1 comes off and breaks other parts afterwards, and radial limiting device then slow down automobile under road conditions of jolting mass 1 with respect to even
Acting flange 2 is subject to radial inertial force to occur deforming because of natural frequency block rubber 3, leads to mass 1 to form centrifugal force because eccentric
Situation occur, improve the vibration damping and energy-absorbing working region rubber fatigue life-span, and the effect reversing stopping means be when vehicle starting,
Brake hard and in the case of high pulling torque fluctuation, reverses stopping means and limits the torsion angle between mass 1 and adpting flange 2
Degree, it is to avoid natural frequency block rubber 3 can produce big torsional deflection, the working range beyond block rubber so that rubber tear and
Premature failure occurs.So, with respect to the advantage of prior art be structure simple, in the premise meeting auto parts service behaviour
Under, during being limited in through finished automobile road test, part occurs, improves power transmission shaft torsional wave emotionally in the load condition beyond working range
Condition, improves part whole service life, reduces vehicle maintenance cost.
A kind of torsional vibration damper of the present invention, refer to Fig. 2 to Fig. 4, specifically permissible on the basis of previous technique scheme
It is each described axially stop block, each radial limiting device and each described reverse that stopping means are equally spaced is located on described quality
Between block 1 and described adpting flange 2.Between each axially stop block, each radial limiting device and each torsion stopping means equalization
Every setting it is ensured that in automobile starting, run and jolt during, each described axial limiting between mass 1 and adpting flange 2
Device, each radial limiting device and each described torsion stopping means active force are impartial, and axial direction, radial direction and torsion position-limiting action are more
Uniformly, limit effect is better, effectively extends the use longevity of the natural frequency block rubber 3 between mass 1 and adpting flange 2
Life.Further preferred technical scheme is to be provided with three axial limiting dresses between described mass 1 and described adpting flange 2
Put, three radial limiting devices and three torsion stopping means, three described axially stop blocks are cylindrical along described adpting flange 2
Week is arranged at equal intervals, and three described radial limiting devices are arranged at equal intervals along described adpting flange 2 excircle, three described torsions
Stopping means are arranged at equal intervals along described adpting flange 2 excircle.So because three axially stop blocks, three radial directions are spacing
Device and three torsion stopping means separately constitute the application point of three trianglees, and active force is more stable, and active force is more
Uniformly, limit effect is more preferable.
A kind of torsional vibration damper of the present invention, refer to Fig. 2 to Fig. 4, on the basis of foregoing technical scheme, also
It can be the position-limitting pin 4 that described axially stop block is through described mass 1 and described adpting flange 2.So, installing
When, position-limitting pin 4 interts in mass 1 and adpting flange 2 successively, and both are stringed together, and so both avoid in the axial direction
Carry out the deviation of large-size.Technical scheme still more preferably is to be provided with screwed hole 12, described company on described mass 1
On acting flange 2, corresponding position is provided with through hole 5, after the through hole 5 that described position-limitting pin 4 interts on described adpting flange 2 simultaneously
Pass and threaded with described mass 1 screwed hole 12 again.So position-limitting pin 4 is sequentially inserted into through hole 5 He on adpting flange 2
Screwed hole 12 on mass 1, both is interted and links together.It is of course possible to fin 11 is arranged on adpting flange 2, so
Afterwards through hole 5 is opened on described fin 11 and pass through described fin 11, position-limitting pin 4 pass through adpting flange on through hole 5 with
And threaded with the screwed hole 12 on mass 1 after the through hole 5 on fin 11.
A kind of torsional vibration damper of the present invention, refer to Fig. 2 to Fig. 4, on the basis of foregoing technical scheme, also
Can be the radial direction limited block 6 that described radial limiting device is along the setting of described adpting flange 2 periphery, described radial direction limited block 6
It is folded between described mass 1 and described adpting flange 2, between described radial direction limited block 6 top and described mass 1 inwall
Leave gap.This gap is generally 0.5mm.Therefore automobile starting, run and jolt when, between mass 1 and adpting flange 2
Radial displacement almost do not have or only a little displacement it is ensured that radial direction limit effect between mass 1 and adpting flange 2.
Certainly the radial limiting device of other structures can also be adopted, as long as the footpath between mass 1 and adpting flange 2 can be limited
To skew, ensure that lowering formation vibrates simultaneously.Technical scheme still more preferably includes position for described radial direction limited block 6
In radially fixed block rubber 7 and the radial direction banking stop 8 being located at described radially fixed block rubber 7 top of bottom, described radial direction limit
Gap, the lower surface of described radially fixed block rubber 7 and described company is left between the inwall of bit slice 8 top and described mass 1
The outer surface sulfuration of acting flange 2 connects.This gap is 0.5mm.So, the effect of radially fixed block rubber 7 is will be radially spacing
Block 6 is fixed on adpting flange 2, and radial direction banking stop 8 has gap it is ensured that radial direction between the two is spacing with mass 1 inwall.
A kind of torsional vibration damper of the present invention, refer to Fig. 2 to Fig. 4, on the basis of foregoing technical scheme, also
Can be described to reverse two parallel slotting ribs 10 that stopping means include being arranged on described mass 1 inwall and be arranged on institute
State the slot 9 on adpting flange 2 outer wall, described slotting rib 10 and the grafting of described slot 9.So, due to having slotting rib 10 and slot 9
Grafting, therefore, rotating against between mass 1 and adpting flange 2 is reversed and is limited, it is to avoid mass 1 and adpting flange 2
Between produce larger torsional deflection, beyond the deformation range of natural frequency block rubber 3, and lead to mass 1 because of eccentric and shape
The situation becoming centrifugal force occurs, and improves energy absorption ability and part service life.Further preferred technical scheme is described two
It is provided with the fin 11 of projection between slot 9, described fin 11 is provided with through hole 5, in described through hole 5, is inserted with described axial direction
Stopping means, described axially stop block bottom is detachably connected with described adpting flange 2, i.e. grafting, and axially stop block is
Through after the through hole 5 on fin 11, threadeded with the screwed hole of mass 1 in its top, and its underpart and adpting flange 2 are grafting
So, not only can be prevented effectively from the torsion of mass 1 and adpting flange 2, mass 1 and adpting flange can also be ensured simultaneously
Para-position during 2 installation is accurate, and fin 11 plays certain axial limiting effect.Axially stop block is position-limitting pin 4, so
Position-limitting pin 4 passes through adpting flange 2, is detachably connected with the screwed hole screw thread on mass 1 after being then passed through fin 11, such
The effect that position-limitting pin 4 can play axial limiting can also play the spacing effect of torsion.Technology still more preferably
Scheme is described slot 9 by described fin 11 and the radial limiting device near described fin 11 and described natural frequency block rubber
Between 3, space is formed.This way it is not necessary to additionally increase part can be to form slot 9, reduces cost, and structure be simpler
Single.Can also be that the length of described natural frequency block rubber 3 is at least 25mm.Natural frequency block rubber so can be effectively improved
3 fatigue life.Can also be that described slotting rib is to reverse bump rubber, it may also operate as certain cushioning effect.
Above-mentioned only several specific embodiments in the present invention are illustrated, but can not be used as the protection model of the present invention
Enclose, the equivalence changes done by design spirit in every foundation present invention or modification or equal proportion zoom in or out, all should
Think and fall into protection scope of the present invention.
Claims (9)
1. a kind of torsional vibration damper it is characterised in that: include mass, adpting flange and be arranged at described mass with described
The natural frequency block rubber along the setting of described adpting flange periphery between adpting flange, described adpting flange is coaxially disposed in institute
State in mass, between described adpting flange and described mass, be provided with axially stop block, radial limiting device and torsion
Stopping means, described axially stop block, described radial limiting device and described torsion stopping means quantity are at least one,
Each described axially stop block, each radial limiting device and each described reverse that stopping means are equally spaced is located on described mass
And described adpting flange between.
2. a kind of torsional vibration damper according to claim 1 it is characterised in that: described mass and described adpting flange it
Between be provided with three axially stop blocks, three radial limiting devices and three torsion stopping means, three described axial limitings
Device is arranged at equal intervals along described adpting flange excircle, and three described radial limiting devices are along described adpting flange excircle etc.
Interval setting, three described stopping means that reverse are arranged at equal intervals along described adpting flange excircle.
3. a kind of torsional vibration damper according to claim 1 and 2 it is characterised in that: described axially stop block be through
Described mass and the position-limitting pin of described adpting flange.
4. a kind of torsional vibration damper according to claim 3 it is characterised in that: be provided with screwed hole on described mass,
On described adpting flange, corresponding position is provided with through hole, in the through hole that described position-limitting pin interts on described adpting flange simultaneously
Threaded with described mass upper screwed hole.
5. a kind of torsional vibration damper according to claim 1 and 2 it is characterised in that: described radial limiting device is along institute
State the radial direction limited block of adpting flange periphery setting, described radial direction limited block be folded in described mass and described adpting flange it
Between, leave gap between described radial direction limited block top and described mass inwall.
6. a kind of torsional vibration damper according to claim 5 it is characterised in that: described radial direction limited block is included positioned at bottom
Radially fixed block rubber and be located at described radially fixed block rubber top radial direction banking stop, described radial direction banking stop top with
Gap, the lower surface of described radially fixed block rubber and described adpting flange outer surface sulfur is left between the inwall of described mass
Change and connect.
7. a kind of torsional vibration damper according to claim 1 and 2 it is characterised in that: described torsion stopping means include setting
The slot rib put in the parallel slotting rib of two on described mass inwall and be arranged on described adpting flange outer wall, described slotting
Rib and described slot grafting.
8. a kind of torsional vibration damper according to claim 7 it is characterised in that: be provided with projection between described two slots
Fin, described fin is provided with through hole, interspersed in described through hole is provided with described axially stop block, described axial limiting dress
Put bottom to be detachably connected with described adpting flange.
9. a kind of torsional vibration damper according to claim 8 it is characterised in that: described slot by described fin near institute
State space between the radial limiting device of fin and described natural frequency block rubber to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004215.0A CN103727174B (en) | 2014-01-03 | 2014-01-03 | Torsion damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410004215.0A CN103727174B (en) | 2014-01-03 | 2014-01-03 | Torsion damper |
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| Publication Number | Publication Date |
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| CN103727174A CN103727174A (en) | 2014-04-16 |
| CN103727174B true CN103727174B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410004215.0A Active CN103727174B (en) | 2014-01-03 | 2014-01-03 | Torsion damper |
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| CN104179883B (en) * | 2014-08-30 | 2016-06-29 | 长城汽车股份有限公司 | A kind of truck drive shaft torsional vibration damper |
| CN104675899A (en) * | 2015-02-13 | 2015-06-03 | 柳州金鸿橡塑有限公司 | Parallel distribution type double-frequency twisting vibration reducer |
| CN104696431A (en) * | 2015-02-13 | 2015-06-10 | 柳州金鸿橡塑有限公司 | Rubber torsional shock absorber |
| CN104696430B (en) * | 2015-02-13 | 2017-01-04 | 柳州金鸿橡塑有限公司 | Upper and lower distributed double frequency torsional vibration damper |
| CN104675915B (en) * | 2015-02-13 | 2017-01-11 | 柳州金鸿橡塑有限公司 | Liquid resistance type rubber torsion damper |
| CN105508500A (en) * | 2015-12-01 | 2016-04-20 | 北汽福田汽车股份有限公司 | Torsion damper and to-be-verified transmission system |
| CN105570370B (en) * | 2016-03-03 | 2017-12-26 | 柳州金鸿橡塑有限公司 | Car transmissions rubber torsional vibration damper |
| CN107671875B (en) * | 2017-11-23 | 2020-07-07 | 哈尔滨工业大学 | Compact metal rubber elastic element capable of measuring torque on flexible robot joint |
| CN107989960B (en) * | 2017-11-23 | 2020-02-07 | 哈尔滨工业大学 | Metal rubber elastic element capable of measuring moment for flexible robot joint |
| CN110221096B (en) * | 2019-07-16 | 2022-04-12 | 蚌埠学院 | Convex edge limiting type fiber bragg grating accelerometer based on transverse force |
| CN115045957A (en) * | 2021-10-13 | 2022-09-13 | 长城汽车股份有限公司 | Vibration absorber and automobile |
| CN114623199A (en) * | 2022-03-31 | 2022-06-14 | 安徽江淮汽车集团股份有限公司 | Torsional vibration damper |
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| DE3535286A1 (en) * | 1985-10-03 | 1987-04-09 | Opel Adam Ag | Torsional vibration absorber for a drive shaft |
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| CN201554821U (en) * | 2009-09-25 | 2010-08-18 | 宁波拓普制动***有限公司 | Novel double-level crankshaft torsional vibration damper device |
| CN103228942A (en) * | 2010-10-22 | 2013-07-31 | 南德盘形接轴节工厂股份有限公司 | Rotary vibration damper |
| CN203685978U (en) * | 2014-01-03 | 2014-07-02 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3535286A1 (en) * | 1985-10-03 | 1987-04-09 | Opel Adam Ag | Torsional vibration absorber for a drive shaft |
| DE3902769A1 (en) * | 1989-01-31 | 1990-08-02 | Pahl Gummi Asbest | Torsional vibration absorber |
| CN101063474A (en) * | 2006-04-27 | 2007-10-31 | 东海橡胶工业株式会社 | Cylindrical dynamic damper |
| CN201554821U (en) * | 2009-09-25 | 2010-08-18 | 宁波拓普制动***有限公司 | Novel double-level crankshaft torsional vibration damper device |
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| CN103727174A (en) | 2014-04-16 |
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