CN105003592B - Rear axle power bump leveller - Google Patents
Rear axle power bump leveller Download PDFInfo
- Publication number
- CN105003592B CN105003592B CN201510314885.7A CN201510314885A CN105003592B CN 105003592 B CN105003592 B CN 105003592B CN 201510314885 A CN201510314885 A CN 201510314885A CN 105003592 B CN105003592 B CN 105003592B
- Authority
- CN
- China
- Prior art keywords
- block rubber
- connecting plate
- rear axle
- bump leveller
- axle power
- 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.)
- Active
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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of rear axle power bump leveller, it is related to auto-parts technical field, it includes the installation bushing being fixed on support, the support has the connecting plate to be stretched out by the installation bushing, block rubber is embedded with the connecting plate, the both ends of the surface of the block rubber protrude the plate face of the connecting plate, are provided with balancing weight in the both ends of the surface of the block rubber, the balancing weight through the bolt of the block rubber by being connected.The present invention solves the problems, such as that heel row in-car sound pressure level is larger in commercial vehicle caused by back axle vibration.
Description
Technical field
The present invention relates to auto-parts technical field, especially a kind of rear axle power bump leveller.
Background technology
Vibration and noise can be produced in vehicle traveling process, the comfortable of passenger's seating can be lifted by reducing vibration and reducing noise
Property and traveling security.When solving noise problem in compartment, noise is typically isolated using acoustic material and technology.And shake
Dynamic is one of root caused by noise, when vibrate reduce when, noise also decreases, and therefore, how reducing vibration and becoming has
Effect improves the important research project of riding comfort and driving safety.Vehicle vibration damping measure includes optimization auto parts and components structure
And dynamic vibration absorber is set between vehicle frame and vehicle frame and engine, because of some key components and parts because self structure limits,
The vibration peak band under some frequency bands be present, optimize the parts and be related to larger change and be difficult to, it is main at present to use
Thing bump leveller vibration damping, existing dynamic vibration absorber absorb exciting source and vibrating body by resonator system caused by its spring
Vibrational energy, to reduce vibration.Applicant has found the middle heel row in-car acoustics of commercial vehicle when analyzing the NVH problems of commercial vehicle
Sound pressure level near 220Hz is larger, as shown in figure 1, found by analysis, rear axle final drive housing body exist same vibration into
Point, this shows the in-car noise of heel row in commercial vehicle mainly due to caused by back axle vibration, but currently without dedicated for
The vibration absorber of back axle.
The content of the invention
It is an object of the invention to provide a kind of rear axle power bump leveller, this bump leveller can be solved caused by back axle vibration
The problem of heel row in-car sound pressure level is larger in commercial vehicle.
In order to solve the above problems, the technical solution adopted by the present invention is：This rear axle power bump leveller includes being fixed on
Installation bushing on support, the support have the connecting plate to be stretched out by the installation bushing, are embedded on the connecting plate
There is block rubber, the both ends of the surface of the block rubber protrude the plate face of the connecting plate, are respectively provided with the both ends of the surface of the block rubber
There is balancing weight, the balancing weight through the bolt of the block rubber by being connected.
In the technical scheme of above-mentioned rear axle power bump leveller, more specifically technical scheme can also be：The support and institute
State installation bushing sulfidization molding；Two installation bushings, the installation bushing and the branch have been arranged side by side on the support
Frame is welded and fixed.
Further, the connecting plate is disposed in proximity to the opening position of described installation bushing one end, and the installation bushing hangs down
Directly welded in the connecting plate, the protruding parts of the connecting plate and the installation bushing.
Further, it is provided with bushing between the block rubber and the bolt.
Further, the periphery of the block rubber offers the groove of the embedded connecting plate.
Further, the block rubber is symmetrical structure.
Further, the both ends of the block rubber are provided with boss.
Further, the gross weight of the balancing weight is not less than 2kg；The block rubber rigidity is 4000 N/mm, and hardness is
70 degree.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
1st, after rear axle power bump leveller being installed, effectively reduce back axle master and subtract housing X, Z-direction vibration, reduction is transferred to vehicle body
Vibration, improve vehicle NVH performances.
2nd, simple in construction, reliability is high, and balancing weight is easy to dismounting, it is necessary to when changing bump leveller frequency, replaceable counterweight
Block.
Brief description of the drawings
Fig. 1 is the in-car acoustics 220Hz slice maps for being fitted without rear axle power bump leveller.
Fig. 2 is the structural representation of this rear axle power bump leveller embodiment.
Fig. 3 installs this rear axle power bump leveller schematic diagram.
Fig. 4 is to install the in-car acoustics 220Hz slice maps before and after this rear axle power bump leveller.
Embodiment
The invention will be further described for embodiment below in conjunction with the accompanying drawings：
Rear axle power bump leveller shown in Fig. 2 mainly includes support 1, installation bushing 2, block rubber 3, balancing weight 4, bushing 5
With bolt 6, two installation being arranged side by side bushings 2 are fixed with support 1, installation bushing 2 is provided at both ends with and the inwall of support 1
The positioning shaft shoulder of clamping；There is support 1 a connecting plate 1-1 set close to installation bushing 2 one end, connecting plate 1-1 to be served as a contrast with installation
In vertical state, the protruding parts of installation bushing 1 is welded and fixed set 1 with connecting plate 1-1；Connecting plate 1-1 extends to side, even
Fishplate bar 1-1 extension is embedded with a block rubber 3, and the periphery of block rubber 3 offers the groove of embedded connecting plate, and block rubber 3 is
Symmetrical structure, its both ends are equipped with boss；Balancing weight 4 is symmetrically arranged with the both ends of the surface of block rubber 3, two balancing weights 4 pass through
Bolt 6 through block rubber 3 is connected, and the two ends of bolt 6 have locking nut, and balancing weight 4 offers accommodating locking nut
Counterbore；Bushing 5 is additionally provided between block rubber 3 and bolt 6, block rubber 3 is damaged during avoiding with changing pouring weight 4；This reality
Apply the support 1 and the installation sulfidization molding of bushing 2 of example.It is noted that the gross weight of balancing weight 4 is not less than 2kg；Block rubber 3
Rigidity is 4000 N/mm, and hardness is 70 degree.
In use, detection assembly resonant frequency, the adjustment mass of balancing weight 4 enters line frequency adjustment, after being debugged in the present embodiment
Bridge dynamic vibration absorber response frequency is 220Hz broadband, is attached it on the back axle of commercial vehicle, as shown in figure 3, two peaces
Fitted lining set is separately mounted on rear axle final drive housing body by bolt, and back axle vibration improves substantially, and Z-direction is especially pronounced, such as Fig. 4
It is shown；Heel row sound pressure level substantially reduces in in-car, and 220Hz frequency band amplitudes are greatly reduced, and rear axle power bump leveller can effectively drop
Low back axle vibratory output, reduces body vibrations, reduces in-car evaluation point sound pressure level, improves vehicle NVH performances.
Claims (7)
- A kind of 1. rear axle power bump leveller, it is characterised in that：Including the installation bushing being fixed on support, the support have by The connecting plate that stretches out of installation bushing, block rubber is embedded with the connecting plate, the both ends of the surface of the block rubber are convex Go out the plate face of the connecting plate, balancing weight is provided with the both ends of the surface of the block rubber, the balancing weight is by through described The bolt of block rubber is connected；The gross weight of the balancing weight is not less than 2kg；The block rubber rigidity is 4000 N/mm, hardness For 70 degree.
- 2. rear axle power bump leveller according to claim 1, it is characterised in that：The support and the installation bushing vulcanization Shaping；Two installation bushings are arranged side by side on the support, the installation bushing is welded and fixed with the support.
- 3. rear axle power bump leveller according to claim 2, it is characterised in that：The connecting plate is disposed in proximity to the peace Fitted lining covers the opening position of one end, and the installation bushing is convex with the installation bushing perpendicular to the connecting plate, the connecting plate Go out position welding.
- 4. the rear axle power bump leveller according to any one of claims 1 to 3, it is characterised in that：The block rubber and described Bushing is provided between bolt.
- 5. rear axle power bump leveller according to claim 4, it is characterised in that：The periphery of the block rubber offers insertion The groove of the connecting plate.
- 6. rear axle power bump leveller according to claim 5, it is characterised in that：The block rubber is symmetrical structure.
- 7. rear axle power bump leveller according to claim 6, it is characterised in that：The both ends of the block rubber are provided with boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314885.7A CN105003592B (en) | 2015-06-10 | 2015-06-10 | Rear axle power bump leveller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314885.7A CN105003592B (en) | 2015-06-10 | 2015-06-10 | Rear axle power bump leveller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003592A CN105003592A (en) | 2015-10-28 |
| CN105003592B true CN105003592B (en) | 2017-12-12 |
Family
ID=54376390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510314885.7A Active CN105003592B (en) | 2015-06-10 | 2015-06-10 | Rear axle power bump leveller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105003592B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347113B (en) * | 2016-11-29 | 2018-06-05 | 安徽江淮汽车集团股份有限公司 | A kind of bump leveller assembly |
| JP7133380B2 (en) * | 2018-07-26 | 2022-09-08 | ナブテスコ株式会社 | Attitude control device and brake device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057510A (en) * | 1964-12-23 | 1967-02-01 | Opel Adam Ag | Rear axle arrangements for motor vehicles |
| CN1824966A (en) * | 2006-03-18 | 2006-08-30 | 鲍俊瑶 | Broadband power vibration damper for automobile rear axle |
| CN201296150Y (en) * | 2008-12-05 | 2009-08-26 | 江铃汽车股份有限公司 | Automobile rearmost axle damping device |
| CN203254894U (en) * | 2013-04-24 | 2013-10-30 | 北京汽车股份有限公司 | Automotive rear axle energy absorber and automobile |
| CN204477176U (en) * | 2015-01-21 | 2015-07-15 | 山东美晨科技股份有限公司 | A kind of Novel rear axle dynamic vibration absorber |
| CN204692449U (en) * | 2015-06-10 | 2015-10-07 | 东风柳州汽车有限公司 | Rear axle power bump leveller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06143955A (en) * | 1992-10-30 | 1994-05-24 | Hino Motors Ltd | Rear suspension used for automobile |
-
2015
- 2015-06-10 CN CN201510314885.7A patent/CN105003592B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057510A (en) * | 1964-12-23 | 1967-02-01 | Opel Adam Ag | Rear axle arrangements for motor vehicles |
| CN1824966A (en) * | 2006-03-18 | 2006-08-30 | 鲍俊瑶 | Broadband power vibration damper for automobile rear axle |
| CN201296150Y (en) * | 2008-12-05 | 2009-08-26 | 江铃汽车股份有限公司 | Automobile rearmost axle damping device |
| CN203254894U (en) * | 2013-04-24 | 2013-10-30 | 北京汽车股份有限公司 | Automotive rear axle energy absorber and automobile |
| CN204477176U (en) * | 2015-01-21 | 2015-07-15 | 山东美晨科技股份有限公司 | A kind of Novel rear axle dynamic vibration absorber |
| CN204692449U (en) * | 2015-06-10 | 2015-10-07 | 东风柳州汽车有限公司 | Rear axle power bump leveller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105003592A (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101315114B (en) | Vibration damping and energy-absorbing device of vehicle auxiliary frame and method thereof | |
| CN201496458U (en) | Suspension vibration isolating pad | |
| CN109774448A (en) | The antitorque mounting structure of power assembly | |
| CN103048146A (en) | Multi-axle vehicle brake judder diagnostic device and multi-axle vehicle brake judder diagnostic method | |
| CN104696407A (en) | Rear axle mass shock absorber | |
| CN204506477U (en) | Engine left suspension | |
| CN105003592B (en) | Rear axle power bump leveller | |
| CN208565417U (en) | A kind of dynamic vibration absorber of controllable frequency range | |
| CN204879285U (en) | Engine mounting cushion device | |
| CN103568806B (en) | Box-type limiting engine suspension assembly | |
| CN203600978U (en) | Spacing bell-type engine mounting assembly | |
| CN204592112U (en) | Back axle mass bumper | |
| CN205639425U (en) | Sub vehicle frame and body connection's buffering damping device | |
| CN202163295U (en) | Rubber suspension assembly for engine of heavy-duty car | |
| CN204692449U (en) | Rear axle power bump leveller | |
| CN204175862U (en) | Automobile power bump leveller and automobile | |
| CN207328107U (en) | A kind of light truck engine front mounting | |
| CN102529669A (en) | Vibration absorber assembly for automobile engine | |
| KR101534873B1 (en) | Mounting bracket of battery pack for hybrid electric vehicle | |
| CN206368934U (en) | A kind of fore sub frame dynamic vibration absorber | |
| CN204506489U (en) | Engine left suspension assembly | |
| CN107391873B (en) | Design method for damping coefficient of main spring compression type low-frequency vibration isolation vehicle seat shock absorber | |
| CN207261562U (en) | A kind of novel adjustable body quality bump leveller | |
| CN203876859U (en) | Damping device and vehicle spare tire bracket and vehicle using same | |
| JP3846688B2 (en) | Anti-vibration support device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |