CN102562936A - Damping method and damper - Google Patents
Damping method and damper Download PDFInfo
- Publication number
- CN102562936A CN102562936A CN2010106063275A CN201010606327A CN102562936A CN 102562936 A CN102562936 A CN 102562936A CN 2010106063275 A CN2010106063275 A CN 2010106063275A CN 201010606327 A CN201010606327 A CN 201010606327A CN 102562936 A CN102562936 A CN 102562936A
- Authority
- CN
- China
- Prior art keywords
- base
- vibration damper
- vibration
- bag
- damping
- 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
Images
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a damping method. In the damping method, at least two bag-shaped parts made of an elastic material are arranged between connectors or between fixing parts and attaching objects of the fixing parts, the at least two bag-shaped parts are placed in two layers, and an interlayer is arranged between the two bag-shaped parts. The invention further provides a damper which comprises a base, a shell and the two bag-shaped parts, wherein the two bag-shaped parts are made of the elastic material; the first bag-shaped part is arranged on the inner wall of the shell; the second bag-shaped part is arranged on the base; the base is an arch-shaped cavity; a column-shaped object is arranged on the base, and is used for fixing the shell and the base together with the connectors; and holes are respectively arranged on the base and the shell for the connector and the fixing parts to pass through. With the adoption of the damper, the vibration of a car body can be blocked or reduced, so that a railway carriage can have better damping and noise reduction effects, and the comfort and safety of passengers during the running process of the railway carriage can be improved.
Description
Technical field
The present invention relates to machinery and manufacturing technology field, be specifically related to a kind of oscillation damping method and vibration damper.
Background technique
In order to improve the travelling comfort of taking, and reduce the noise in the car, the vibration reducing measure installed of passenger train inside gadget mainly is at present, applies the little sheet material of density at two rigidity contact surfaces, claims that usually the little sheet material of this density is a damping pad.Through different selections, realize the vibration attenuation of different frequency, thereby realize the purpose of inside gadget vibration damping damping pad.
In the existing technology, adopt simple sheet damping pad structure usually, shown in Fig. 1 (a) and (b), (c) reach (d), between connected element, adopt damping pad, to realize the purpose of inside gadget vibration damping.Concrete structure just repeats no more at this.
The material of existing damping pad is selected single, the vibration attenuation in can only corresponding certain frequency scope, and various vibrations stacks in the vehicle operating usually, and vibration frequency complicacy and scope are big, cause bad estimation.Therefore, adopt simple sheet pad material vibration damping, limited to comfort level effect whole in the car.
Damping property and join strength, both are particularly thorny, have restricted effectiveness in vibration suppression.Density is little, thick its good damping result of sheet material, but can have a strong impact on join strength.Simultaneously, can find out that connecting bolt penetrates the damping pad material reaching (d),, will cause the steady shape stability variation of linkage structure in case the pad material is thick and soft from figure Fig. 1 (a) and (b), (c).
Hence one can see that, adopts the mode of damping pad vibration damping, and only to specific vibration frequency range, and join strength is less demanding, and the vibration reduction in components that the passenger vehicle motion speed is low just has certain effectiveness in vibration suppression.And in most linkage structure, because of the simple in structure easy realization of its damping pad is widely used, but its effect is very little.
Lifting along with train running speed; The kinetic energy effect of vehicle is increased sharply, and vibration and noise that it is inner increase thereupon, have had a strong impact on the ride quality of train; Even cause the damage of car inner structure and equipment, thereby the working life of train, passenger's travelling comfort and Security have directly been reduced.The vibration damping of railway car inner piece, noise reduction become the difficult problem that must solve that is faced under the high speed operation.
Summary of the invention
The present invention provides a kind of oscillation damping method and vibration damper, can block or reduce the vibration of car body, makes passenger train have better damping and noise reduction, has improved passenger's in running travelling comfort and Security.
A kind of vibration damper provided by the invention is used to be arranged between the link, or between fixed component and the attachment thereof, this vibration damper comprises:
Base, housing and two bladders;
Said two bladders adopt elastic material to process, and wherein first bladder is arranged on the said inner walls, and second bladder is arranged on the said base;
Said base is an arc chamber, and this base is provided with column, and this column is used for link said housing and base being fixed together;
Porose respectively on said base and the housing, be used to supply connected element or fixed component to pass.
A kind of passenger train provided by the invention compartment between the link on this railway car or between fixed component and the body part, is provided with foregoing vibration damper.
A kind of shock-dampening method provided by the invention comprises:
Between link, or at least two bladders that adopt elastic material to process are set between fixed component and the attachment thereof;
Said at least two bladders by two-layer placement, are provided with interlayer between two bladders.In sum; Oscillation damping method provided by the invention and vibration damper utilize the characteristic of rubber elastomeric material, and are made into cryptomere and are arranged on and obtain vibration damper in the cavity; Be used to be installed in car body and be mounted between the parts; Can block or reduce the vibration of car body, reach on the mounted component, concerning parts, play damping effect.The vibration force of car body is through the bolt on the vibration damper base; Pass on the vibration proof mounting, behind the two-stage vibration damping through the inner rubber bag tank of vibration damper, reach on the Stainless Steel Shell; Simultaneously also be delivered on the assembly; Make passenger train have better damping and noise reduction, improved passenger's in running travelling comfort and Security, can prolong the working life of railway car.
Description of drawings
It is the damping pad schematic representation of available technology adopting that Fig. 1 (a) and (b), (c) reach (d);
The vibration damper sectional view of Fig. 2 (a) for providing in the embodiment of the invention;
The vibration damper view of Fig. 2 (b) for providing in the embodiment of the invention;
Fig. 3 is the applying examples figure of vibration damper in the embodiment of the invention;
Fig. 4 is the partial enlarged view of vibration damper among Fig. 3.
Embodiment
In view of the deficiency and the drawback that exist in the existing technology, the present invention proposes to utilize different materials density and characteristic, changes the damping and dynamic flexibility of parts and car body connection part through special construction; Make it to adapt to the serviceability temperature and the vibration frequency of broad; Thereby be implemented under the Environmental Conditions of high and low temperature, possess excellent vibration damping effect, can bear big load simultaneously; Guarantee the join strength at high speed operation lower component and train body, it is reliable and stable that inner-decoration component is connected.
A kind of oscillation damping method provided by the invention comprises:
Between link, or at least two bladders that adopt elastic material to process are set between fixed component and the attachment thereof;
Said at least two bladders are pressed two-layer placement, and between two bladders, be provided with interlayer.
Usually, adopt rubber, also can according to circumstances adopt other elastic materials as this elastic material.
In addition, the present invention also provides a kind of vibration damper, be used to be arranged between the link, or between fixed component and the attachment thereof, this vibration damper comprises:
Base, housing and two bladders;
Said two bladders adopt elastic material to process, and wherein first bladder is arranged on the said inner walls, and second bladder is arranged on the said base;
Said base is an arc chamber, and this base is provided with column, and this column is used for link said housing and base being fixed together;
Said base is provided with housing porose respectively, is used for supplying to connect fixed component and passes.
Said housing has the cylindrical of flat cover on being, adopts stainless steel to process.
Said base adopts aluminium to process.
Said first bladder vulcanizes to said inner walls; Said second bladder vulcanizes to the inwall in the arc chamber of base.
The embodiment of the invention also provides a kind of passenger train compartment, between the link on this railway car or between fixed component and the body part, is provided with like each described vibration damper in the claim 1 to 3.
For making principle of the present invention, characteristic and advantage clearer, describe the present invention below in conjunction with specific embodiment.
For passenger train has better damping and noise reduction, in running, has good comfort level, through the widget of design special construction; Utilize the different qualities (density, elasticity coefficient, allowable stress or the like) of material; Exert all one's strength in the process of transmitting, when passing through the material of different qualities, reduce amplitude through material deformation; Play the effect of vibration damping, claim that at this this widget is a vibration damper.
In the present embodiment, adopt rubber as this elastic material, the built-in bladder of processing with rubber of vibration damper (being called rubber bag tank).The service behaviour of this rubber bag tank mainly shows as the damping function to vibration system, and this damping function is except the material behavior that depends on used rubber, and is also relevant with concrete structure size, carrying form and the rubber vulcanization process of rubber shock absorber.Rubber shock absorber is done the calculating of quantitative performance, can under concrete use condition, confirm the dynamic performance of rubber shock absorber.Vibration damper of the present invention mainly bears the compound action of tensile stress, compressive stress, shearing stress and two or more stress.Rubber shock absorber is when bearing external load, and built-in rubber bag tank is out of shape the absorbed oscillation energy; The shell and the rubber bag tank reasonable combination that adopt stainless steel to process are born various alternate loads.
With reference to Fig. 2, a kind of vibration damper that provides in the embodiment of the invention is used to be arranged between the link, or between fixed component and the attachment thereof, this vibration damper comprises:
Two bladder 30a, 30b adopt elastic material to process, and wherein first bladder is arranged on the said inner walls, and second bladder is arranged on the said base;
This vibration damper is divided into base 10 and housing 20 two-part, is semi-closed structure (being different from other full-closed structure).The bottom is the base 10 that is connected with car body, and material is a die casting aluminium, is designed to arc chamber shape; Cylindrical shape Stainless Steel Shell 20 is adopted on top; Through mandrel 40 (material: stainless steel) and bolt base 10 and housing 20 two-part are fixed into one.As shown in Figure 2, outer layer rubber capsule 30a vulcanizes to the Stainless Steel Shell inwall, and internal layer rubber bag tank 30b vulcanizes to the inwall in base 10 arc chambeies.Rubber bag tank 30a, 30b play a part overload protection; Vibration damper is under the effect of big load; That rubber bag tank receives is a kind of, two or more stress compound action and produce distortion, absorbs the kinetic energy that produces by impacting, and consumes portion of energy through the rubber material internal friction.Two-layer rubber bag tank plays the effect of two-stage vibration damping.
Concrete application example
Passenger train compartment being produced by our company between the link on this railway car or between fixed component and the body part, is provided with foregoing vibration damper.
EMU as shown in Figure 3, as to produce in company in in-vehicle device cabinet and car body side wall joint, seat section bar that seat uses and car body joint etc. are installed, is used vibration damper provided by the invention, passes through and tests, and is respond well.
In sum, the present invention utilizes the characteristic of rubber elastomeric material, and is made into cryptomere and is arranged on and obtains vibration damper in the cavity; Be used to be installed in car body and be mounted between the parts; Can block or reduce the vibration of car body, reach on the mounted component, concerning parts, play damping effect.The vibration force of car body is through the bolt on the vibration damper base; Pass on the vibration proof mounting, behind the two-stage vibration damping through the inner rubber bag tank of vibration damper, reach on the Stainless Steel Shell; Simultaneously also be delivered on the assembly; Make passenger train have better damping and noise reduction, improved comfort level passenger's in running travelling comfort and Security, can prolong the working life of railway car.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (8)
1. a vibration damper is characterized in that, be used to be arranged between the link, or between fixed component and the attachment thereof, this vibration damper comprises:
Base, housing and two bladders;
Said two bladders adopt elastic material to process, and wherein first bladder is arranged on the said inner walls, and second bladder is arranged on the said base;
Said base is an arc chamber, and this base is provided with column, and this column is used for link said housing and base being fixed together;
Porose respectively on said base and the housing, be used to supply connected element or fixed component to pass.
2. vibration damper as claimed in claim 1 is characterized in that,
Said housing has the cylindrical of flat cover on being, adopts stainless steel to process.
3. vibration damper as claimed in claim 1 is characterized in that,
Said base adopts aluminium to process.
4. vibration damper as claimed in claim 1 is characterized in that,
Said first bladder vulcanizes to said inner walls;
Said second bladder vulcanizes to the inwall in the arc chamber of base.
5. like claim 1 or 4 described vibration dampers, it is characterized in that said elastic material is a rubber.
6. a passenger train compartment is characterized in that, between the link on this railway car or between fixed component and the body part, is provided with like each described vibration damper in the claim 1 to 3.
7. a shock-dampening method is characterized in that, comprising:
Between link, or at least two bladders that adopt elastic material to process are set between fixed component and the attachment thereof;
Said at least two bladders by two-layer placement, are provided with interlayer between two bladders.
8. shock-dampening method as claimed in claim 7 is characterized in that,
Said elastic material is a rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106063275A CN102562936A (en) | 2010-12-24 | 2010-12-24 | Damping method and damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106063275A CN102562936A (en) | 2010-12-24 | 2010-12-24 | Damping method and damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102562936A true CN102562936A (en) | 2012-07-11 |
Family
ID=46409195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106063275A Pending CN102562936A (en) | 2010-12-24 | 2010-12-24 | Damping method and damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562936A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923147A (en) * | 2012-11-20 | 2013-02-13 | 唐山轨道客车有限责任公司 | Derailment-prevention vibration damper |
| CN105500015A (en) * | 2014-09-30 | 2016-04-20 | 无锡利博科技有限公司 | Machine tool supporting device |
| CN107702792A (en) * | 2017-11-24 | 2018-02-16 | 苏州岸肯电子科技有限公司 | A kind of miniature shock absorber |
| CN110065513A (en) * | 2018-01-24 | 2019-07-30 | 中车唐山机车车辆有限公司 | A kind of seat installation profile |
| CN111196286A (en) * | 2018-11-19 | 2020-05-26 | 中车唐山机车车辆有限公司 | Mounting section bar for rail vehicle |
| CN112081850A (en) * | 2020-09-30 | 2020-12-15 | 华侨大学 | Vibration-damping energy-absorbing composite capsule |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283885A (en) * | 2005-03-31 | 2006-10-19 | Tokai Rubber Ind Ltd | Square engine mount |
| JP2008302845A (en) * | 2007-06-08 | 2008-12-18 | Toyo Tire & Rubber Co Ltd | Suspension device for railway vehicle |
| JP2009018758A (en) * | 2007-07-13 | 2009-01-29 | Sumitomo Metal Ind Ltd | Air spring for railway rolling stock, height adjusting method of air spring, and bogie for railway rolling stock |
| CN201269281Y (en) * | 2008-10-28 | 2009-07-08 | 唐山轨道客车有限责任公司 | Buffering shock-absorbing device |
-
2010
- 2010-12-24 CN CN2010106063275A patent/CN102562936A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283885A (en) * | 2005-03-31 | 2006-10-19 | Tokai Rubber Ind Ltd | Square engine mount |
| JP2008302845A (en) * | 2007-06-08 | 2008-12-18 | Toyo Tire & Rubber Co Ltd | Suspension device for railway vehicle |
| JP2009018758A (en) * | 2007-07-13 | 2009-01-29 | Sumitomo Metal Ind Ltd | Air spring for railway rolling stock, height adjusting method of air spring, and bogie for railway rolling stock |
| CN201269281Y (en) * | 2008-10-28 | 2009-07-08 | 唐山轨道客车有限责任公司 | Buffering shock-absorbing device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923147A (en) * | 2012-11-20 | 2013-02-13 | 唐山轨道客车有限责任公司 | Derailment-prevention vibration damper |
| CN105500015A (en) * | 2014-09-30 | 2016-04-20 | 无锡利博科技有限公司 | Machine tool supporting device |
| CN107702792A (en) * | 2017-11-24 | 2018-02-16 | 苏州岸肯电子科技有限公司 | A kind of miniature shock absorber |
| CN110065513A (en) * | 2018-01-24 | 2019-07-30 | 中车唐山机车车辆有限公司 | A kind of seat installation profile |
| CN111196286A (en) * | 2018-11-19 | 2020-05-26 | 中车唐山机车车辆有限公司 | Mounting section bar for rail vehicle |
| CN112081850A (en) * | 2020-09-30 | 2020-12-15 | 华侨大学 | Vibration-damping energy-absorbing composite capsule |
| CN112081850B (en) * | 2020-09-30 | 2024-06-07 | 华侨大学 | Vibration-damping and energy-absorbing composite capsule |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102562936A (en) | Damping method and damper | |
| JP4841923B2 (en) | Strut mount | |
| US20020175455A1 (en) | Foamed elastomer engine mount isolating bushing | |
| KR20100007048A (en) | Bracket for mounting a shock absorber | |
| CN101966851B (en) | Traction method and system for rail transportation | |
| CN101850712A (en) | Automobile power assembly suspending cushion with vibration absorbing function | |
| CN202491683U (en) | Intermediate support device for drive shaft | |
| KR101810997B1 (en) | Trailing arm bush | |
| CN202180736U (en) | Bush assembly of automobile suspension | |
| JP2009236228A (en) | Vibration-proof support device | |
| CN211259460U (en) | Improve air compressor support and car of NVH performance | |
| CN209700671U (en) | A kind of vibration damping circular cone rubber spring mechanism | |
| CN202641706U (en) | Flexible connection device for dividing wall of railway passenger train | |
| CN200996426Y (en) | Integrated rubber suspened pad | |
| CN210706849U (en) | Power assembly suspension and vehicle applying same | |
| CN205331310U (en) | Erection equipment under liquid of hydraulic pressure suspension bumper shock absorber | |
| CN211642149U (en) | Vibration reduction block for vacuum pump and vacuum pump assembly | |
| CN212985487U (en) | Vibration reduction system for compressor of electric automobile and electric automobile | |
| CN210101254U (en) | Compressor fixed bolster | |
| CN206368934U (en) | A kind of fore sub frame dynamic vibration absorber | |
| CN216467309U (en) | Rear-mounted second grade damping car storage battery frame | |
| CN211308226U (en) | Suspension structure, engine assembly and car | |
| CN211288558U (en) | Automobile suspension bush | |
| CN206579464U (en) | For the mounting assembly of electric automobile and the electric automobile with it | |
| CN218929183U (en) | Bushing assembly, bushing suspension and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |