CN203713515U - Vibration damping element and engine mount - Google Patents
Vibration damping element and engine mount Download PDFInfo
- Publication number
- CN203713515U CN203713515U CN201420086751.5U CN201420086751U CN203713515U CN 203713515 U CN203713515 U CN 203713515U CN 201420086751 U CN201420086751 U CN 201420086751U CN 203713515 U CN203713515 U CN 203713515U
- Authority
- CN
- China
- Prior art keywords
- damping element
- elastic component
- base
- engine
- gauge block
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a vibration damping element and an engine mount. The engine mount comprises a base, an elastic piece and a resonant mass block, wherein two ends of the elastic piece are respectively connected with the base and the resonant mass block, the base is fixedly connected with an engine mounting bracket, and the natural frequency of the vibration damping element is 300 to 500 hz. The vibration damping element disclosed by the utility model is simple and compact in structure and capable of better absorbing the high frequency vibration amplitude to lower the vibration of a vehicle body.
Description
Technical field
The utility model relates to Engine Mounting System, is specifically related to a kind of damping element.
Background technology
Engine Excitation can make some parts in dynamic assembly annex resonate, engine mounting for supporting engines is the important damping means of automobile, engine mounting comprises support and two main portions of rubber, and engine mounting is isolated engine vibration by rubber.Engine mounting should have large damping, large rigidity at low frequency range (1-30Hz), to overcome road excitation, engine torque vibration.In high frequency region, (more than 30Hz) should have little damping, low dynamic stiffness simultaneously, to reduce engine vibration transport, to improve noise reduction.In high-frequency region, the multiplication of rubber dynamic stiffness, there is dynamic hardening phenomenon in rubber, and the vibration isolation ability variation of engine mounting, is unfavorable for vibration isolation, and then causes car load traveling comfort poor.
Utility model content
In order to address the above problem, the utility model provides a kind of damping element, and it is simple in structure, compact, can better absorbing high-frequency vibration amplitude, and then reduced the vibration of vehicle body.
The technical scheme addressing the above problem:
A kind of damping element, it comprises base, elastic component, resonant mass gauge block, the two ends of described elastic component connect respectively described base and described resonant mass gauge block, and described base is fixedly connected with engine-mounting bracket, and the natural frequency of described damping element is 300～500hz.
Selectable, described base, described elastic component, described resonant mass gauge block are cylindric and coaxially arrange.
Selectable, described damping element has the mounting hole that connects vertically described base, described elastic component, described resonant mass gauge block.
Selectable, the external diameter of described base equates with the external diameter of described resonant mass gauge block.
Selectable, described elastic component is rubber, and described elastic component is connected by sulfuration with described resonant mass gauge block with described base, described elastic component.
An engine mounting, it comprises described damping element, and engine-mounting bracket, described base contacts and is fixedly connected with described engine-mounting bracket.
Selectable, described elastic component, described resonant mass gauge block are cylindric and the short transverse of the length direction that described axial direction is automobile or the Width of automobile or automobile are coaxially set.
The beneficial effects of the utility model:
The elastic component of damping element, resonant mass gauge block are set to an integral body can guarantee the abundant absorbing vibrational energy of elastic component, resonant mass gauge block can be avoided the significantly vibration of damping element self simultaneously, simultaneously, to the setting of elastic component and mass natural frequency, make the damping element can better absorbing high-frequency amplitude, and then reduced the vibration of vehicle body.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the damping element of the utility model embodiment;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the three-dimensional structure diagram of the engine mounting of the utility model embodiment.
Description of reference numerals: 1-damping element, 11-base, 12-elastic component, 13-resonant mass gauge block, 14-mounting hole, 2-engine-mounting bracket.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.
As shown in Figure 1, 2, damping element 1 comprises base 11, elastic component 12, tuned mass fast 13, the two ends of elastic component 12 connect respectively that base 11 and tuned mass are fast 13, and base 11 is fixedly connected with engine-mounting bracket 2, and the natural frequency of damping element 1 is 300～500hz.By rubber damping, be converted into heat, reduce mounting bracket vibration amplitude, reduce the vibrational energy that is passed to vehicle body, thereby solve the high-frequency vibration problem of the difficult isolation dynamic assembly that suspends, improve ride comfort.
The shape of base 11, elastic component 12, tuned mass fast 13 can be for square, cylindrical or irregularly shaped, and base 11, tuned mass fast 13 are rigid pipe, preferred, and base 11, elastic component 12, tuned mass fast 13 are cylindric and coaxially arrange.Adopt the damping element 1 of said structure
Damping element 1 can be fixedly connected with engine-mounting bracket 2 by modes such as welding, riveted joint, bolt connections.Preferably, damping element 1 has the mounting hole 14 that connects vertically base 11, elastic component 12, tuned mass fast 13.Adopt the damping element 1 of this structure to be convenient to install, and can guarantee that high-frequency vibration can better be absorbed by elastic component 12.
The size of base 11, tuned mass fast 13 can have multiple choices, and preferred, the external diameter of base 11 equates with the external diameter of tuned mass fast 13.Adopt said structure to be convenient to processing and batch manufacturing.Concrete, tuned mass fast 13 is of a size of 21mm * Ф 46mm, and endoporus is Ф 20mm, material selection 20 steel, quality is 0.168Kg; Elastic component 12 thickness are 2.5mm, and firm banking 11, for circle thin plate, is of a size of 2.5mm * Ф 46mm, and middle bore size is Ф 8.5mm, and quality is 0.031Kg, and overall weight is 0.202Kg.
Elastic component 12 with base 11, being connected of tuned mass fast 13 can have multiple choices, preferred, elastic component 12 is rubber, elastic component 12 is connected by sulfuration with tuned mass fast 13 with base 11, elastic component 12.Adopt sulfuration to connect, connect fastening and there is good vibration resistance.
As shown in Figure 3, engine mounting comprises damping element 1, and engine-mounting bracket 2, and base 11 contacts and is fixedly connected with engine-mounting bracket 2.
The setting party of damping element 1 is to there being multiple choices.Preferably, elastic component 12, tuned mass fast 13 are cylindric and the short transverse of the length direction that axial direction is automobile or the Width of automobile or automobile are coaxially set.The vibration of the length of automobile, width, three directions of height is larger, along above-mentioned direction, arranges damping element 1, can better absorb energy.
This damping element 1 setting steps: determine the installation site of damping element 1, obtain resonance mode parameter (comprising modal mass, frequency, rigidity, damping, the vibration shape) in installation site test or analysis; Determine the natural frequency of damping element 1, the natural frequency of damping element 1 and modal parameter medium frequency approach, and generally get and are slightly less than resonance frequency; Determine resonant mass gauge block 13 quality, run-of-the-mill is larger, and its absorption band is wide larger, and absorbing vibrational energy effect is better.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and be only subject to the restriction of claims, those of ordinary skills can easily modify to it and change, but do not leave essence design of the present utility model and scope.
Claims (7)
1. a damping element, it is characterized in that, it comprises base, elastic component, resonant mass gauge block, and the two ends of described elastic component connect respectively described base and described resonant mass gauge block, described base is fixedly connected with engine-mounting bracket, and the natural frequency of described damping element is 300～500hz.
2. damping element according to claim 1, is characterized in that, described base, described elastic component, described resonant mass gauge block are cylindric and coaxially arrange.
3. damping element according to claim 2, is characterized in that, described damping element has the mounting hole that connects vertically described base, described elastic component, described resonant mass gauge block.
4. damping element according to claim 2, is characterized in that, the external diameter of described base equates with the external diameter of described resonant mass gauge block.
5. according to the damping element described in any one in claim 1～4, it is characterized in that, described elastic component is rubber, and described elastic component is connected by sulfuration with described resonant mass gauge block with described base, described elastic component.
6. an engine mounting, is characterized in that, it comprises the damping element as described in any one in claim 1～5, and engine-mounting bracket, and described base contacts and is fixedly connected with described engine-mounting bracket.
7. engine mounting according to claim 6, is characterized in that, described elastic component, described resonant mass gauge block are cylindric and the short transverse of the length direction that described axial direction is automobile or the Width of automobile or automobile is coaxially set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086751.5U CN203713515U (en) | 2014-02-27 | 2014-02-27 | Vibration damping element and engine mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086751.5U CN203713515U (en) | 2014-02-27 | 2014-02-27 | Vibration damping element and engine mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713515U true CN203713515U (en) | 2014-07-16 |
Family
ID=51152703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086751.5U Expired - Fee Related CN203713515U (en) | 2014-02-27 | 2014-02-27 | Vibration damping element and engine mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031370A (en) * | 2017-03-31 | 2017-08-11 | 德州富路汽车智能化研究有限公司 | Twin-stage damping assembly and the suspension structure of engine with twin-stage damping assembly |
| CN107618351A (en) * | 2017-09-21 | 2018-01-23 | 清华大学苏州汽车研究院（相城） | A kind of novel damping suspension |
| CN108099574A (en) * | 2017-12-21 | 2018-06-01 | 柳州铁道职业技术学院 | Shake device is supported in motor vehicle suspension |
-
2014
- 2014-02-27 CN CN201420086751.5U patent/CN203713515U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031370A (en) * | 2017-03-31 | 2017-08-11 | 德州富路汽车智能化研究有限公司 | Twin-stage damping assembly and the suspension structure of engine with twin-stage damping assembly |
| CN107031370B (en) * | 2017-03-31 | 2023-09-29 | 山东元齐新动力科技有限公司 | Double-stage vibration reduction assembly and engine suspension structure with same |
| CN107618351A (en) * | 2017-09-21 | 2018-01-23 | 清华大学苏州汽车研究院（相城） | A kind of novel damping suspension |
| CN108099574A (en) * | 2017-12-21 | 2018-06-01 | 柳州铁道职业技术学院 | Shake device is supported in motor vehicle suspension |
| CN108099574B (en) * | 2017-12-21 | 2023-08-22 | 柳州铁道职业技术学院 | Suspension vibration-resisting device for motor vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203463537U (en) | Damping vibration absorber | |
| CN203512061U (en) | Impact reducing structure suitable for small spacecraft | |
| CN203384280U (en) | Power assembly damp auxiliary shock absorber | |
| CN203713515U (en) | Vibration damping element and engine mount | |
| CN203186066U (en) | Right suspended pull rod of automobile engine | |
| CN201747858U (en) | Dynamic vibration absorber with adjustable frequency | |
| CN104924870A (en) | Mobile robot suspension damper with double combined spiral springs | |
| CN203543650U (en) | Fully isolated type adjustable-rigidity rubber suspension system | |
| CN204572907U (en) | A kind of dynamic vibration absorber for reducing internal car noise | |
| CN107650625B (en) | Combined vibration damper and vehicle-mounted air conditioner | |
| CN102774261A (en) | Shock-absorbing device for engine support | |
| CN203581064U (en) | Damping block assembly mounted on steering wheel | |
| CN203473036U (en) | Cab rear suspension device | |
| CN201095300Y (en) | Vibration absorber for automobile | |
| CN202163295U (en) | Rubber suspension assembly for engine of heavy-duty car | |
| CN202863112U (en) | Shock absorbing device of engine bracket | |
| CN204692449U (en) | Rear axle power bump leveller | |
| CN203335704U (en) | Stiffness-adjustable power vibration absorber | |
| CN203743279U (en) | Car radiator shock absorption pad | |
| CN109578485A (en) | A kind of air pump vibration insulating system and the vehicle using this system | |
| CN203876859U (en) | Damping device and vehicle spare tire bracket and vehicle using same | |
| CN201882133U (en) | Novel steering wheel dynamic absorber device for vehicles | |
| CN102963231A (en) | Auxiliary frame damping structure | |
| CN202162146U (en) | Vibration absorption supporting seat for vibrating screen | |
| CN203267778U (en) | Gearbox supporting and damping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |