CN201472398U - High-speed railway vehicle floating floor vibration damper - Google Patents
High-speed railway vehicle floating floor vibration damper Download PDFInfo
- Publication number
- CN201472398U CN201472398U CN2009201708854U CN200920170885U CN201472398U CN 201472398 U CN201472398 U CN 201472398U CN 2009201708854 U CN2009201708854 U CN 2009201708854U CN 200920170885 U CN200920170885 U CN 200920170885U CN 201472398 U CN201472398 U CN 201472398U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- metal
- shock absorber
- beams
- floor
- 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 - Lifetime
Links
- 238000007667 floating Methods 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 44
- 230000035939 shock Effects 0.000 claims description 29
- 239000006096 absorbing agent Substances 0.000 claims description 27
- 238000000465 moulding Methods 0.000 claims description 24
- 210000002356 Skeleton Anatomy 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Classifications
-
- Y02T30/34—
Abstract
The utility model relates to a high-speed railway vehicle floating floor vibration damper, which is arranged in the length direction of a vehicle body in a segmental manner, and comprises a forming rubber seat, a metal beam framework and a metal reinforcing plate, wherein an assembly notch is formed on the lower surface of the forming rubber seat, and is matched and fixedly connected with the metal beam framework; the metal beam framework is fixedly connected with a vehicle body; the metal reinforcing plate is clamped inside the forming rubber seat; an in-vehicle floor is fixedly connected together with the forming rubber seat; the forming rubber seat, the metal beam framework and the metal reinforcing plate are the same in length and are mounted in a splitting manner; after assembly, the vibration damper can effectively attenuate the vehicle body vibration through the damping property of rubber, reduce the in-vehicle noise, improve the in-vehicle comfort degree, select the proper length and the arrangement position according to the layout of pipelines between the vehicle body and the in-vehicle floor, the in-vehicle load and the vehicle body vibration regulation, and meet the use requirements of high-speed railway vehicles.
Description
Technical field
The utility model relates to a kind of high-speed track vehicle equipment, and particularly a kind of shock absorber of high-speed track vehicle floating floor belongs to the railway vehicle device technical field.
Background technology
On existing guideway vehicle, install on the floor generally is to be directly fixed on the car body by support beam, and rubber tie plate is leaned in damping vibration attenuation substantially, does not have special vibration-proof structure, so effectiveness in vibration suppression is limited.Along with developing rapidly of high speed guideway vehicles such as motor train unit, also just more and more higher to the requirement of Vehicle damper noise reduction and comfort level,
The vibration of high-speed track vehicle and noise are to pass to floor in the compartment by support beam, to making the floor produce vibration, thereby radiated noise in car, because running velocity height, vibration and noise all can obviously aggravate than the common railway vehicle, the coupling situation is also more complicated, and common ground board mounting structure can not the effective attenuation Vehicular vibration, does not guarantee passenger's traveling comfort.
In recent years, in order to reduce noise in the compartment, on vehicle, generally adopt the floating floor structure, need not be rigidly connected between floating floor and the support beam but adopt the resilient connection structure, what generally adopt at present is that the elastic layer that rubber damper one class is set between floor and support beam is realized floating building, shock damping action by rubber pad reduces car and vibrates transmission in car outward, but common rubber damper can not reach the requirement of high-speed track vehicle vibration and noise reducing.In addition, because also will lay many pipelines between hull bottom plate and the floor compartment, so existing shock pad etc. all are point-like setting, this has also influenced its effectiveness in vibration suppression.
Summary of the invention
The utility model main purpose is to address the above problem and is not enough, provide a kind of can the effective attenuation body oscillating, reduce internal car noise, can guarantee that vehicle space installs the high-speed track vehicle floating floor shock absorber of relation simultaneously.
For achieving the above object, the technical solution of the utility model is:
A kind of high-speed track vehicle floating floor shock absorber, this shock absorber is arranged along the segmentation of length over ends of body direction, it comprises moulding rubber base, beams of metal skeleton and metal reinforcement plate, the lower surface of described moulding rubber base is provided with the assembling notch, described assembling notch cooperates affixed with the beams of metal skeleton, described beams of metal skeleton is captiveed joint with car body, and described metal reinforcement integrated circuit board is placed on moulding rubber base inside, and floor and described moulding rubber base are fixed together in the car.
Further improvement of the utility model is that described moulding rubber base, beams of metal skeleton and metal reinforcement plate three length are identical, and the three is partial installation.
The material of described beams of metal skeleton is an aluminium section bar, and the material of described metal reinforcement plate is a stainless steel sheet.
Content to sum up, high-speed track vehicle floating floor shock absorber provided by the utility model forms an integral structure after installation, damping capacity by rubber plays damping of vibrations, guarantee the effective attenuation body oscillating, reduce internal car noise, improve the car comfort inside.Simultaneously, this shock absorber is a compound type, sectional is provided with, so can select suitable length and the position is set according to the rule of load and body oscillating in the pipe line arrangement situation between the floor, the car in car body and the car, make it meet the wheel track transfer of vibration rule of high-speed track vehicle when high-speed cruising, satisfy the operating needs of high-speed track vehicle.
Description of drawings
Fig. 1 structural representation of the present utility model;
The A-A cutaway view of Fig. 2 Fig. 1.
As depicted in figs. 1 and 2, moulding rubber base 1, beams of metal skeleton 2, metal reinforcement plate 3, assembling notch 4.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1, high-speed track vehicle floating floor shock absorber described in the utility model is fixed between the interior floor of hull bottom plate and car, is used for support floor, is used for vibration damping simultaneously, and the vibration of decay car body reduces internal car noise.
This shock absorber comprises moulding rubber base 1, beams of metal skeleton 2 and metal reinforcement plate 3, wherein, the lower surface of moulding rubber base 1 is provided with assembling notch 4, assembling notch 4 cooperates with beams of metal skeleton 2 and is fixed together, the top of beams of metal skeleton 2 is inserted in assembling notch 4 inside, install very conveniently,, will bond together mutually between beams of metal skeleton 2 and the moulding rubber base 1 for fixing more firm.
A plurality of auxiliary holes are set on beams of metal skeleton 2, captive joint by fasteners such as bolts between the base plate (not shown) with beams of metal skeleton 2 and car body.Beams of metal skeleton 2 adopts aluminium section bar in the present embodiment, can guarantee the support strength on floor in 2 pairs of cars of metal beam framework on the one hand, can also satisfy the requirement of high-speed track vehicle to body lightening simultaneously.
In order to strengthen the intensity of moulding rubber base 1, portion's card is put a metal reinforcement plate 3 within it, and in order to guarantee the intensity of moulding rubber base 1, metal reinforcement plate 3 materials are generally selected stainless steel sheet.
When install on the floor in moulding rubber base 1 and the car, be with floor in car with screw to the mode of moulding rubber base 1 tapping with moulding rubber base 1 and car in the floor be fixed together.
In the present embodiment, can aforesaid partial installation cooperate between moulding rubber base 1, beams of metal skeleton 2 and metal reinforcement plate 3 threes, this mounting means is flexible.
As shown in Figure 2, moulding rubber base 1, beams of metal skeleton 2 and metal reinforcement plate 3 threes' length is identical, is arranged in regularly in hull bottom plate and the car between the floor along the segmentation of length over ends of body direction.Selecting three's length identical, is in order to guarantee the bulk strength of shock absorber, to help the rigidity according to load in the car and wheel track vibration regularity calculating shock absorber simultaneously.
This shock absorber is when the vehicle high-speed cruising, and the form of distortion of moulding rubber base 1 mainly is a compressive deformation, and along with its rigidity of increase of load also can increase, this structure is more reliable and more stable.
In the high-speed track vehicle, because the space is limited, need to arrange more pipeline in hull bottom plate and car between the floor, as the supply and exhaust pipeline of air-conditioning, water supply and sewage pipe or the like, this shock absorber can be provided with flexibly according to the pipe line arrangement situation between the floor in hull bottom plate and the car.
This shock absorber is after installation, floor and hull bottom plate form complete integral structure in the car, and the oad of moulding rubber base 1 can be checked and test through calculating, guarantee the effectively interior floor of supported cart of its intensity, and the vibration amplitude that can effective attenuation comes from equipment under car body, the car guarantees car in-to-in stationarity and traveling comfort.
According to the distribution situation of load in the car and the rule of body oscillating, can calculate the optimum length size of shock absorber and the position is set, wherein, the rigidity of shock absorber can be calculated by the aviation value of load capacity in the car, and is further calculated the length of shock absorber by the rigidity value of shock absorber.By what select shock absorber position and length dimension be set, can further regulate the vibration transfer function of shock absorber, make the rigidity and the oscillation frequency of this shock absorber meet vehicle wheel track transmission of vibration attenuation law fully, guarantee the effectiveness in vibration suppression of whole floor system, satisfy the operating needs of high-speed track vehicle.
As mentioned above, given in conjunction with the accompanying drawings and embodiments scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solutions of the utility model, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (5)
1. high-speed track vehicle floating floor shock absorber, it is characterized in that: this shock absorber is arranged along the segmentation of length over ends of body direction, it comprises moulding rubber base (1), beams of metal skeleton (2) and metal reinforcement plate (3), the lower surface of described moulding rubber base (1) is provided with assembling notch (4), described assembling notch (4) cooperates affixed with beams of metal skeleton (2), described beams of metal skeleton (2) is captiveed joint with car body, described metal reinforcement plate (3) card is placed on moulding rubber base (1) inside, and floor and described moulding rubber base (1) are fixed together in the car.
2. high-speed track vehicle floating floor shock absorber according to claim 1 is characterized in that: described moulding rubber base (1), beams of metal skeleton (2) and metal reinforcement plate (3) three's length are identical.
3. high-speed track vehicle floating floor shock absorber according to claim 1 is characterized in that: described moulding rubber base (1), beams of metal skeleton (2) and metal reinforcement plate (3) three are partial installation.
4. high-speed track vehicle floating floor shock absorber according to claim 1, it is characterized in that: the material of described beams of metal skeleton (2) is an aluminium section bar.
5. high-speed track vehicle floating floor shock absorber according to claim 1, it is characterized in that: the material of described metal reinforcement plate (3) is a stainless steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201708854U CN201472398U (en) | 2009-08-10 | 2009-08-10 | High-speed railway vehicle floating floor vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201708854U CN201472398U (en) | 2009-08-10 | 2009-08-10 | High-speed railway vehicle floating floor vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472398U true CN201472398U (en) | 2010-05-19 |
Family
ID=42408641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201708854U Expired - Lifetime CN201472398U (en) | 2009-08-10 | 2009-08-10 | High-speed railway vehicle floating floor vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472398U (en) |
-
2009
- 2009-08-10 CN CN2009201708854U patent/CN201472398U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
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| CX01 | Expiry of patent term |