CN108644310A - Automobile driving axle torsional vibration damper - Google Patents
Automobile driving axle torsional vibration damper Download PDFInfo
- Publication number
- CN108644310A CN108644310A CN201810390723.5A CN201810390723A CN108644310A CN 108644310 A CN108644310 A CN 108644310A CN 201810390723 A CN201810390723 A CN 201810390723A CN 108644310 A CN108644310 A CN 108644310A
- Authority
- CN
- China
- Prior art keywords
- pipe portion
- energy storage
- storage body
- elastic energy
- driving axle
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/124—Elastomeric springs
- F16F15/126—Elastomeric springs consisting of at least one annular element surrounding the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/1414—Masses driven by elastic elements
- F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention discloses a kind of automobile driving axle torsional vibration dampers, include with elasticity and the elastic energy storage body for being used to be sheathed in drive shaft and the inertial mass being set to inside elastic energy storage body, elastic energy storage body includes the convex block contacted with drive shaft, and it is circumferentially distributed that multiple and all convex blocks, which are arranged, in the outside of drive shaft in convex block.The automobile driving axle torsional vibration damper of the present invention, it is matched by the way that elastic energy storage body and inertial mass is arranged, pass through the gap for the one fixed width that the convex block of circumferential surface in elastic energy storage body is constituted with drive shaft, inertial mass is enable to obtain looser twist motion space relative to elastic energy storage body, to can inhibit car transmissions torsional amplitudes, improve effectiveness in vibration suppression, achieve the effect that reduce torsional resonance and noise, promotes the ride performance of vehicle, the service life of riding comfort and parts.
Description
Technical field
The invention belongs to automobile technical fields, specifically, the present invention relates to a kind of automobile driving axle torsional vibration dampers
Device.
Background technology
The alternation torque of automobile internal formula engine output is the main original for causing entire transmission system to generate torsional oscillation vibration
Cause.In transmission system, the gap between gearbox and the gear of main reducing gear makes gear generate certain load wave in engagement
It is dynamic, to encourage driveline vibrations.It is transmission system torsion and curved for there is mobile angle between drive shaft and universal joint
A main cause of Qu Zhendong.When running at high speed, strong self-excitation twisting vibration often occurs vehicle for power train, generates various
Noise leads to the dynamic property and ride comfort degradation of vehicle.For the automobile travelled on soft surface, Torsional Vibration of Shafts is also
The adhesion property that driving wheel can be reduced, to influence the passability of vehicle.When driving frequency and power drive system torsional vibration system
Intrinsic frequency it is consistent when, will twist resonance.Directly affect ride of vehicle, riding comfort or even shadow
Ring the service life of parts.
There are noise problems in low-speed vehicle for preposition front drive vehicle, find that the noise is drawn by power train twisting vibration by analysis
It rises.Preposition precursor vehicle power train is made of components such as engine, clutch, gearbox, differential mechanism, semiaxis, wheels, is one
Complicated Mdof Vibration System has Torsional Vibration Natural Frequency, when external worlds such as engines in engine operating speed range
When incentive action frequency is consistent with power train torsional natural frequency, will twist resonance, and larger resonance load will be direct
Influence ride of vehicle, the service life of riding comfort and parts.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of vapour
Vehicle drive shaft torsional vibration damper, it is therefore an objective to inhibit transmission system torsional amplitudes, improve effectiveness in vibration suppression.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：Automobile driving axle torsional vibration damper
Device includes with elasticity and the elastic energy storage body for being used to be sheathed in drive shaft and the inertia matter being set to inside elastic energy storage body
Gauge block, elastic energy storage body include the convex block contacted with drive shaft, and convex block is arranged multiple and all convex blocks and is in the outside of drive shaft
It is circumferentially distributed.
All convex blocks are to be uniformly distributed circumferentially in the outside of drive shaft.
The elastic energy storage body further includes the inner sleeve pipe portion and housing pipe portion of coaxial arrangement, and the diameter of inner sleeve pipe portion is less than outer
The diameter of cannula portion, for the inertial mass between inner sleeve pipe portion and housing pipe portion, the convex block is set to inner sleeve pipe portion
Inner headed face on.
The inner sleeve pipe portion is identical with the length scale of the housing pipe portion.
The length of the convex block is less than the length of the inner sleeve pipe portion and convex block is set on the length direction of inner sleeve pipe portion
Middle position.
The material of the inertial mass is metal.
The material of the inertial mass is No. 20 steel.
The elastic energy storage body is made of rubber material.
The automobile driving axle torsional vibration damper of the present invention is matched by the way that elastic energy storage body and inertial mass is arranged
It closes, passes through the gap for the one fixed width that the convex block of circumferential surface in elastic energy storage body is constituted with drive shaft so that inertial mass
Looser twist motion space can be obtained relative to elastic energy storage body, to can inhibit car transmissions torsional amplitudes,
Effectiveness in vibration suppression is improved, achievees the effect that reduce torsional resonance and noise, promotes ride performance, the riding comfort and zero of vehicle
The service life of component.
Description of the drawings
Fig. 1 is the structural schematic diagram of automobile driving axle torsional vibration damper of the present invention；
Fig. 2 is the sectional view of automobile driving axle torsional vibration damper of the present invention；
Fig. 3 is the use state diagram of automobile driving axle torsional vibration damper of the present invention；
Label in above-mentioned figure is：1, drive shaft；2, elastic energy storage body；201, inner sleeve pipe portion；207, housing pipe portion；
203, end side wall portion；204, convex block；3, inertial mass；
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to the design of the present invention, technical solution
Solution, and contribute to its implementation.
As shown in Figure 1 to Figure 3, the present invention provides a kind of automobile driving axle torsional vibration dampers, including have elasticity
And for the elastic energy storage body 2 that is sheathed in drive shaft and the inertial mass 3 being set to inside elastic energy storage body 2.
Specifically, as shown in Figure 1 to Figure 3, there is elastic energy storage body 2 certain elasticity, elastic energy storage body 2 to be opened for both ends
Mouthful and inner hollow cirque structure, the drive shaft of car transmissions is passed through from elastic energy storage body 2 and drive shaft and bullet
Property storage bodies 2 be interference fit, drive shaft is used to the power that engine generates being transferred to wheel.The fixation of inertial mass 3 is set
It sets in the inside of elastic energy storage body 2, inertial mass 3 is metal derby.
Preferably, elastic energy storage body 2 is made of rubber material, effectiveness in vibration suppression is more preferable, and rubber material elasticity is big, draws
Intensity height is stretched, tear resistance, wearability, ageing-resistant and heat resistance are good, and have excellent antioxygen, ozone resistants, nonflammable,
The features such as energy self-extinguishment after catching fire, oil resistant, solvent resistant, acid and alkali-resistance, automobile chassis complex environment application is adapted to, use environment temperature can
Within the scope of -50 DEG C~+100 DEG C.The rubber material of use can be single rubber, as natural rubber, neoprene, fourth are stupid
Rubber etc., rubber material can also be the composite material of a variety of rubber.By adjusting the formula of rubber material, vibration damping may be implemented
The fine tuning of the quality and frequency of device.
Preferably, inertial mass 3 is made of metal material, such as No. 20 steel.
As shown in Figure 1 to Figure 3, inertial mass 3 is arranged one and inertial mass 3 is cirque structure, elastic energy storage
Body 2 is connect with inertial mass 3 by sulfuration process, and elastic energy storage body 2 wraps up inertial mass 3.
As shown in Figure 1 to Figure 3, elastic energy storage body 2 includes the convex block 204 contacted with drive shaft, convex block 204 be arranged it is multiple and
All convex blocks 204 are to be uniformly distributed circumferentially in the outside of drive shaft, and the periphery of drive shaft, which is equipped with, allows convex block 204 to be embedded in
Groove, the groove are the annular groove that entirely circumferentially extends of periphery upper edge in drive shaft, and the axial direction to realize damper is solid
It is fixed.Inertial mass 3, which vulcanizes, is embedded in the inside of elastic energy storage body 2, the inner circumferential surface of elastic energy storage body 2 be provided with it is a plurality of
The convex block 204 of cloth passes through 2 inner circumferential surface of elastic energy storage body when therefore, in automobile driving axle rotary course generating twisting vibration
The gap of one fixed width that is constituted with it of convex block 204, inertial mass 3 can obtain looser relative to elastic energy storage body 2
Twist motion space, to inhibit transmission system torsional amplitudes, damping rotary oscillations to obtain better effectiveness in vibration suppression.
As shown in Figure 1 to Figure 3, elastic energy storage body 2 further includes the inner sleeve pipe portion 201 and housing pipe portion 202 of coaxial arrangement, interior
Cannula portion 201 and housing pipe portion 202 are cirque structure, and the diameter of inner sleeve pipe portion 201 is less than the diameter of housing pipe portion 202,
Inertial mass 3 is between inner sleeve pipe portion 201 and housing pipe portion 202, and inertial mass 3 is sheathed in inner sleeve pipe portion 201, outside
Cannula portion 202 is sheathed on inertial mass 3, the length of the length and inner sleeve pipe portion 201 and housing pipe portion 202 of inertial mass 3
It is identical to spend size.Convex block 204 is set on the inner headed face of inner sleeve pipe portion 201, and the diameter of inner sleeve pipe portion 201 is more than the straight of drive shaft
Diameter, inner sleeve pipe portion 201 are not contacted with the periphery of drive shaft, and convex block 204 is stretched out radially toward the inside of inner sleeve pipe portion 201,
To be contacted with the periphery of drive shaft, there is gap in the circumferential between two adjacent convex blocks 204, so as to obtain preferably
Effectiveness in vibration suppression.
As shown in Figure 1 to Figure 3, the length of convex block 204 be less than inertial mass 3 length (length direction of convex block 204 with
The axial direction of inner sleeve pipe portion 201 is parallel), inner sleeve pipe portion 201 is identical with the length scale of housing pipe portion 202, the length of convex block 204
Length and convex block 204 less than inner sleeve pipe portion 201 are set to the middle position on the length direction of inner sleeve pipe portion 201.
As shown in Figure 1 to Figure 3, elastic energy storage body 2 further includes two end side wall portions 203 being oppositely arranged, inertia mass
Block 3, inner sleeve pipe portion 201 and housing pipe portion 202 are respectively positioned between two end side wall portions 203, and end side wall portion 203 is circular ring shape
Structure and end side wall portion 203 and housing pipe portion 202 and inner sleeve pipe portion 201 are coaxial arrangement, and two end side wall portions 203 are distinguished
Positioned at one end of housing pipe portion 202, the outer edge of two end side wall portions 203 is connect with one end of housing pipe portion 202 respectively, and two
The inward flange of a end side wall portion 203 is connect with one end of inner sleeve pipe portion 201 respectively, two end side wall portions 203 and outer tube
Portion 202 and inner sleeve pipe portion 201 match, and wrap up inertial mass 3.
The intrinsic frequency of the driving axle damper of the present embodiment can carry out match settings according to the intrinsic frequency of drive shaft, and
Pass through the overall structure of damper, the hardness of the Material Physics attribute of elastic energy storage body 2, and the matter of internal inertial mass 3
Amount is adjusted, to reach expected effectiveness in vibration suppression.
The driving axle damper of the present embodiment, has the following advantages：
1, the torsion stiffness of engine crankshaft and transmission system coupling part is reduced, tuning transmission system twisting vibration is intrinsic
Frequency；
2, increase transmission system, especially drive axle systems twisting vibration to damp, inhibit torsional resonance response amplitude, and decline
Subtract the transient state twisting vibration generated because engine torque impacts；
The twisting vibration of clutch and gearbox shafting, clutch when cutting down idling when 3, controlling power drive system idling
With the twisting vibration of gearbox shafting, cut down torsional oscillation and whine noises (grating of gears of gearbox).
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (8)
1. automobile driving axle torsional vibration damper, it is characterised in that：Include with elasticity and for being sheathed in drive shaft
Elastic energy storage body and the inertial mass being set to inside elastic energy storage body, elastic energy storage body include contacted with drive shaft it is convex
Block, it is circumferentially distributed that multiple and all convex blocks, which are arranged, in the outside of drive shaft in convex block.
2. automobile driving axle torsional vibration damper according to claim 1, it is characterised in that：All convex blocks are driving
The outside of moving axis is to be uniformly distributed circumferentially.
3. automobile driving axle torsional vibration damper according to claim 1 or 2, it is characterised in that：The elastic energy storage
Body further includes the inner sleeve pipe portion and housing pipe portion of coaxial arrangement, and the diameter of inner sleeve pipe portion is less than the diameter of housing pipe portion, described used
Between inner sleeve pipe portion and housing pipe portion, the convex block is set on the inner headed face of inner sleeve pipe portion property gauge block.
4. automobile driving axle torsional vibration damper according to claim 3, it is characterised in that：The inner sleeve pipe portion and institute
The length scale for stating housing pipe portion is identical.
5. automobile driving axle torsional vibration damper according to claim 3 or 4, it is characterised in that：The length of the convex block
Degree is set to the middle position on the length direction of inner sleeve pipe portion less than the length and convex block of the inner sleeve pipe portion.
6. automobile driving axle torsional vibration damper according to any one of claims 1 to 5, it is characterised in that：The inertia
The material of mass block is metal.
7. automobile driving axle torsional vibration damper according to claim 6, it is characterised in that：The inertial mass
Material is No. 20 steel.
8. automobile driving axle torsional vibration damper according to any one of claims 1 to 7, it is characterised in that：The elasticity
Storage bodies are made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390723.5A CN108644310A (en) | 2018-04-27 | 2018-04-27 | Automobile driving axle torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390723.5A CN108644310A (en) | 2018-04-27 | 2018-04-27 | Automobile driving axle torsional vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644310A true CN108644310A (en) | 2018-10-12 |
Family
ID=63748235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390723.5A Pending CN108644310A (en) | 2018-04-27 | 2018-04-27 | Automobile driving axle torsional vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630684A (en) * | 2019-09-27 | 2019-12-31 | 上汽通用汽车有限公司 | Vibration reduction ring with adjustable frequency and transmission shaft assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5660256A (en) * | 1995-09-22 | 1997-08-26 | Gkn Automotive, Inc. | Dynamic damper |
| US20130068065A1 (en) * | 2007-06-28 | 2013-03-21 | Suhale Manzoor | Recessed belt damper |
| CN206206490U (en) * | 2016-11-08 | 2017-05-31 | 广州汽车集团股份有限公司 | Power transmission shaft bump leveller |
| CN206874634U (en) * | 2017-06-12 | 2018-01-12 | 翟志磊 | A kind of noise-and-vibration-reduction power transmission shaft |
-
2018
- 2018-04-27 CN CN201810390723.5A patent/CN108644310A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5660256A (en) * | 1995-09-22 | 1997-08-26 | Gkn Automotive, Inc. | Dynamic damper |
| US20130068065A1 (en) * | 2007-06-28 | 2013-03-21 | Suhale Manzoor | Recessed belt damper |
| CN206206490U (en) * | 2016-11-08 | 2017-05-31 | 广州汽车集团股份有限公司 | Power transmission shaft bump leveller |
| CN206874634U (en) * | 2017-06-12 | 2018-01-12 | 翟志磊 | A kind of noise-and-vibration-reduction power transmission shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630684A (en) * | 2019-09-27 | 2019-12-31 | 上汽通用汽车有限公司 | Vibration reduction ring with adjustable frequency and transmission shaft assembly |
| CN110630684B (en) * | 2019-09-27 | 2022-01-28 | 上汽通用汽车有限公司 | Vibration reduction ring with adjustable frequency and transmission shaft assembly |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |