CN206721580U - A kind of rail dampener - Google Patents
A kind of rail dampener Download PDFInfo
- Publication number
- CN206721580U CN206721580U CN201720527162.XU CN201720527162U CN206721580U CN 206721580 U CN206721580 U CN 206721580U CN 201720527162 U CN201720527162 U CN 201720527162U CN 206721580 U CN206721580 U CN 206721580U
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- Prior art keywords
- piston rod
- base
- cover plate
- pressure cylinder
- piston
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Abstract
The utility model discloses a kind of rail dampener, it includes base, base upper end is installed with pressure cylinder, oil medium is filled with pressure cylinder, pressure cylinder upper end is fixedly installed cover plate, the circular hole passed through for piston rod is provided with the middle part of cover plate, the piston rod top outside pressure cylinder is fixedly connected with magnetic force mounting seat, and piston is installed with the piston rod inside pressure cylinder；The upper end that base is located inside pressure cylinder is provided with the circular hole penetrated for piston-rod lower end.The utility model produces internal friction to absorb the energy of rail by shearing motion between piston and medium, overcomes the shortcomings of that existing shock absorber can not absorb dither, has the advantages that to have a wide range of application, be easy to use, cost-effective.
Description
Technical field
It the utility model is related to Railway Car Engineering technical field, and in particular to a kind of rail dampener.
Background technology
In recent years, being continuously increased with the bullet train speed of service, noise, irregularity from rail and wheel etc. is asked
Topic, which seems, to become increasingly conspicuous, and wherein wheel irregularity and abrasion problems is by higher concern.Made an uproar caused by wheel irregularity
Sound and vibration can not only influence the comfortableness taken, while can also make the vertical contact force increase of wheel track, cause track, vehicle composition
Component life is greatly reduced.In order to improve the dynamic performance of vehicle operation, and reduce the expense of R and M, to wheel
It is imperative that irregularity is controlled in time.
The type of wheel irregularity has a lot, for example local defect, ripple mill, aperiodicity irregularity, flat scar, wheel are polygon
Shape etc., especially without slag track, these irregularities are especially prominent, and the main reason for producing these problems is exactly wheel pair and rail
Between energy do not consumed timely, so as to cause energy excessively to concentrate between wheel and rail.In order to reduce wheel track
Between dynamic contact force, domestic and foreign scholars propose it is many avoid the method for wheel irregularity, such as use elastic wheel with
And reduce orbit rigidity etc..Although these methods can improve wheel irregularity to a certain extent, due on track
Excitation is high frequency pumping, and institute does not work substantially for absorbing high-frequency in these processes, so as to cause effect undesirable.This
Outside, due to the only a small amount absorption of energy, most of energy is the transfer carried out, so can also bring the problem of new.Thus,
A kind of rail dampener that can inherently absorb energy between wheel and rail is provided and does not destroy existing track structure
The development for promoting railway cause is significant.
The content of the invention
The utility model is directed to the above-mentioned deficiency of prior art, there is provided a kind of energy that can absorb low-frequency vibration, and
And the rail dampener of the energy of dither can be absorbed.
In order to solve the above technical problems, the utility model employs following technical proposal：
Provide a kind of rail dampener, it is characterised in that including base, base upper end is installed with pressure cylinder, pressure
Oil medium is filled with power cylinder, pressure cylinder upper end is fixedly installed cover plate, the circle passed through for piston rod is provided with the middle part of cover plate
Hole, the piston rod top outside pressure cylinder are fixedly connected with magnetic force mounting seat, solid on the piston rod inside pressure cylinder
Dingan County is equipped with piston；The upper end that base is located inside pressure cylinder is provided with the circular hole penetrated for piston-rod lower end.
In above-mentioned technical proposal, it is preferred that oil medium is high viscosity medium silicone oil, and the kinematic viscosity of silicone oil is more than
60000cSt。
In above-mentioned technical proposal, it is preferred that at least two piston holes have been distributed uniformly and circumferentially on the end face of piston.
In above-mentioned technical proposal, it is preferred that the middle of the base is provided with base circular trough with piston rod connecting portion, and base is circular
Base sealing device is provided with groove, base sealing device is arranged on the piston rod.
In above-mentioned technical proposal, it is preferred that base sealing device includes the high thickness sealing ring of more lips and teeth, and sealing ring is arranged
On the piston rod, the upper surface of sealing ring and the upper surface of base circular trough are glued, and the lower surface of sealing ring, which is glued, rubber gas
Capsule.
In above-mentioned technical proposal, it is preferred that piston rod compensated cavity is provided with below base circular trough, in piston rod compensated cavity
Filled with air.
In above-mentioned technical proposal, it is preferred that be provided with cover plate circular trough in the middle part of cover plate, cover plate is provided with cover plate circular trough
Sealing device, cover plate for sealing device are arranged on the piston rod.
In above-mentioned technical proposal, it is preferred that cover plate for sealing device includes the high thickness sealing ring of more lips and teeth, and sealing ring is arranged
On the piston rod, the lower surface of sealing ring and the lower surface of cover plate circular trough are glued, and the upper surface of sealing ring, which is glued, rubber gas
Capsule.
In above-mentioned technical proposal, it is preferred that rubber pneumatic bag upper and lower surface is plane, big filled with one inside rubber pneumatic bag
The air of air pressure.
In above-mentioned technical proposal, it is preferred that magnetic force mounting seat side is provided with magnetic switch.
The main beneficial effect of above-mentioned rail dampener provided by the utility model is：
Internal friction is produced to absorb the energy of rail by the shearing motion between piston and medium, overcomes existing vibration damping
Device can not absorb the deficiency of dither；Rubber pneumatic bag is installed inside sealing device, makes piston rod required when flexible
Power is very small, i.e., piston rod movement when required additional drag very little, thus shock absorber can play preferably in small magnitude
Effect.
Magnetic force mounting seat makes easy for installation and reliable and stable；Sealing device tightly embraces piston rod in motion process, living
The deformation of plug is only obtained by the deformation of rubber pneumatic bag, so as to eliminate the relative displacement of piston rod and sealing device, thus
Shock absorber is set to be worked in small magnitude.
Shock absorber can be installed to be used with any direction, and application is wider；Shock absorber can be directly mounted at existing iron
Route, it is engineered without carrying out, cost can be greatlyd save.
Brief description of the drawings
Fig. 1 is the structural representation of rail dampener.
Fig. 2 is cover plate for sealing schematic device.
Fig. 3 is base sealing device schematic diagram.
Fig. 4 is rubber pneumatic bag structural representation.
Fig. 5 is the vertical scheme of installation of rail dampener.
Fig. 6 is that rail dampener is transversely mounted schematic diagram.
Wherein, 1, base, 2, piston rod compensated cavity, 3, base circular trough, 4, base sealing device, 5, oil medium, 6,
Magnetic switch, 7, magnetic force mounting seat, 8, cover plate, 9, cover plate circular trough, 10, cover plate for sealing device, 11, piston rod, 12, piston,
13rd, pressure cylinder, 14, piston hole, 15, sealing ring, 16, rubber pneumatic bag.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, it is the structural representation of rail dampener.
Rail dampener of the present utility model includes base 1, and the top of base 1 is installed with pressure cylinder 13, in base 1
Bottom is provided with piston rod compensated cavity 2, and inside is filled with air, can pass through the pressure on pressure buffer piston rod 11；Base 1
Middle and upper part be provided with base circular trough 3；Base sealing device 4 is installed inside base circular trough 3；Piston rod compensated cavity 2, bottom
Seat circular trough 3 and base sealing device 4 are located on same circle core shaft.
The inside of pressure cylinder 13 is filled with oil medium 5, and in the present embodiment, oil medium 5 is high viscosity medium silicone oil；Pressure
Piston 12 is provided with power cylinder 13, piston 12, which is threadably secured, is connected with piston rod 11, and piston 12 along the circumferential direction uniformly divides
It is furnished with least two piston holes 14.
Internal friction is produced by the shearing motion between piston and medium, the energy of rail can be effectively absorbed, overcome
Existing shock absorber can not absorb the deficiency of dither.
The upper end of pressure cylinder 13 is installed with cover plate 8, and the middle part of cover plate 8 is provided with cover plate circular trough 9, cover plate circular trough 9
Inside it is provided with cover plate for sealing device 10；Through the circular hole among base 1 and cover plate 8, the end of piston rod 11 is located at piston rod 11
In piston rod compensated cavity 2；The upper end of piston rod 11 is installed with magnetic force mounting seat 7, and the side of magnetic force mounting seat is opened for magnetic force
Close 6.
By the cooperation of cover plate for sealing device 10 and base sealing device 4, the relative position of reduction piston rod and sealing device
Move, thus shock absorber is worked in small magnitude vibration.
As shown in Fig. 2 cover plate for sealing device 10 is made up of the high thickness sealing ring 15 of rubber pneumatic bag 16 and more lips and teeth, sealing
Ring 15 is closely set in the top of piston rod 11, the upper surface glue of the lower surface of sealing ring 15 and the rubber pneumatic bag 16 shown in Fig. 4
Connect, the lower surface of rubber pneumatic bag 16 is glued with the lower surface of cover plate circular trough 9.
As shown in figure 3, base sealing device 3 forms by rubber pneumatic bag 16 and with the high thickness sealing ring 15 of more lips and teeth, it is close
Seal ring 15 is closely set in the bottom of piston rod 11, and the upper surface of sealing ring 15 is glued with the lower surface of rubber pneumatic bag 16, rubber
It is glued with the upper surface of base circular trough 3 upper surface of air bag 16.
The deformation of piston is offset by the deformation of rubber pneumatic bag 16, makes the power required when stretching of piston rod 11 very micro-
It is small, i.e., piston rod movement when required additional drag very little, thus shock absorber can play preferable effect in small magnitude.
As shown in figure 5, in the present embodiment, the utility model rail dampener is used for without slag track Vertical Vibration Reduction, track
Shock absorber is arranged on immediately below the rail between sleeper；The magnetic force mounting seat 7 of rail dampener is connected to rail foot surface, base 1
It is fixed on track plates, magnetic switch 6 is in normally open.By the work of rail dampener, can effectively absorb by rail
The vertical vibration of conduction.
As shown in fig. 6, in the present embodiment, the utility model rail dampener is used for without slag track lateral vibration absorbing, track
Damper is arranged on the rail side between sleeper, and magnetic force mounting seat 7 is connected to rail side, and base 1 is fixed on track plates,
Magnetic switch 6 is in normally open；Track plates in the present embodiment are perpendicular to rail foot surface, by the work of rail dampener,
The oscillation crosswise conducted by rail can effectively be absorbed.
Specific embodiment of the present utility model is described above, in order to which those skilled in the art understand
The utility model, it should be apparent that the utility model is not limited to the scope of embodiment, to the common skill of the art
For art personnel, if various change in the spirit and scope of the present utility model that appended claim limits and determines,
These changes are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
Claims (10)
1. a kind of rail dampener, it is characterised in that including base（1）, the base（1）Upper end is installed with pressure cylinder
（13）, pressure cylinder（13）It is interior to be filled with oil medium（5）, pressure cylinder（13）Upper end is fixedly installed cover plate（8）, the cover plate
（8）Middle part is provided with the circular hole passed through for piston rod, positioned at pressure cylinder（13）Outside piston rod（11）Installed with magnetic force on top
Seat（7）It is fixedly connected, positioned at pressure cylinder（13）Internal piston rod（11）On be installed with piston（12）；The base（1）
Positioned at pressure cylinder（13）Internal upper end is provided with for piston rod（11）The circular hole that lower end penetrates.
2. rail dampener according to claim 1, it is characterised in that the oil medium（5）For high viscosity medium silicon
Oil, the kinematic viscosity of the silicone oil are more than 60000cSt.
3. rail dampener according to claim 1, it is characterised in that the piston（12）End face on along the circumferential direction
It is evenly distributed with least two piston holes.
4. rail dampener according to claim 1, it is characterised in that the base（1）Middle part and piston rod（11）Even
Socket part is provided with base circular trough（3）, the base circular trough（3）Inside it is provided with base sealing device（4）, base sealing device
（4）It is set in piston rod（11）On.
5. rail dampener according to claim 4, it is characterised in that the base sealing device（4）Including more lips and teeth
High thickness sealing ring（15）, the sealing ring（15）It is set in piston rod（11）On, sealing ring（15）Upper surface and base
Circular trough（3）Upper surface be glued, sealing ring（15）Lower surface be glued have rubber pneumatic bag（16）.
6. rail dampener according to claim 4, it is characterised in that the base circular trough（3）Lower section is provided with work
Stopper rod compensated cavity（2）, piston rod compensated cavity（2）It is interior to be filled with air.
7. rail dampener according to claim 1, it is characterised in that the cover plate（8）Middle part is provided with cover plate circle
Groove（9）, the cover plate circular trough（9）Inside it is provided with cover plate for sealing device（10）, cover plate for sealing device（10）It is set in piston rod
（11）On.
8. rail dampener according to claim 7, it is characterised in that the cover plate for sealing device（10）Including more lips and teeth
High thickness sealing ring（15）, the sealing ring（15）It is set in piston rod（11）On, sealing ring（15）Lower surface and cover plate
Circular trough（9）Lower surface be glued, sealing ring（15）Upper surface be glued have rubber pneumatic bag（16）.
9. the rail dampener according to claim 5 or 8, it is characterised in that the rubber pneumatic bag（16）Upper and lower surface is equal
For plane, rubber pneumatic bag（16）The internal air filled with an atmospheric pressure.
10. rail dampener according to claim 1, it is characterised in that magnetic force mounting seat（7）Side is provided with magnetic force and opened
Close（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720527162.XU CN206721580U (en) | 2017-05-12 | 2017-05-12 | A kind of rail dampener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720527162.XU CN206721580U (en) | 2017-05-12 | 2017-05-12 | A kind of rail dampener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206721580U true CN206721580U (en) | 2017-12-08 |
Family
ID=60509242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720527162.XU Expired - Fee Related CN206721580U (en) | 2017-05-12 | 2017-05-12 | A kind of rail dampener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206721580U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595291A (en) * | 2018-12-07 | 2019-04-09 | 西南交通大学 | A kind of rail traffic vibration absorber |
| CN110373960A (en) * | 2019-07-24 | 2019-10-25 | 深圳防灾减灾技术研究院 | Flexible railway roadbed vibration-proof structure |
| CN111705560A (en) * | 2020-05-20 | 2020-09-25 | 安徽浦进轨道装备有限公司 | Shockproof mounting assembly for vehicle track |
-
2017
- 2017-05-12 CN CN201720527162.XU patent/CN206721580U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595291A (en) * | 2018-12-07 | 2019-04-09 | 西南交通大学 | A kind of rail traffic vibration absorber |
| CN110373960A (en) * | 2019-07-24 | 2019-10-25 | 深圳防灾减灾技术研究院 | Flexible railway roadbed vibration-proof structure |
| CN110373960B (en) * | 2019-07-24 | 2024-04-09 | 深圳防灾减灾技术研究院 | Flexible ballast bed vibration damping structure |
| CN111705560A (en) * | 2020-05-20 | 2020-09-25 | 安徽浦进轨道装备有限公司 | Shockproof mounting assembly for vehicle track |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20210512 |