CN109737174A - A kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car - Google Patents
A kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car Download PDFInfo
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- CN109737174A CN109737174A CN201811634618.8A CN201811634618A CN109737174A CN 109737174 A CN109737174 A CN 109737174A CN 201811634618 A CN201811634618 A CN 201811634618A CN 109737174 A CN109737174 A CN 109737174A
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- Prior art keywords
- pressure damper
- oil
- snake oil
- high speed
- motor car
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- 239000012530 fluid Substances 0.000 claims abstract description 6
- 239000012466 permeate Substances 0.000 claims abstract 2
- 239000004519 grease Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 13
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The present invention relates to a kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car, it include: that the upper end of the guide holder end face of the anti-snake oil-pressure damper is provided with exhaust passage, one end of the exhaust passage is connected with the oil return hole on the guide holder, the other end of the exhaust passage is connected with the working cylinder of the anti-snake oil-pressure damper, and is provided in the other end of the exhaust passage for work gas in the jar to be discharged and obstructs the valve that working cylinder inner fluid permeates and the resilient key for being fixed on the valve in exhaust passage.The present invention on guide holder by designing the exhaust passage for having specific position, damper is during stretching, air in working cylinder is discharged by the exhaust passage, to guarantee that the oil-pressure damper being horizontally mounted at work without " lost motion ", guarantees that the performance of anti-snake oil-pressure damper is stablized.
Description
Technical field
The invention belongs to oil pressure vibrating reducer for railbus technical fields, and in particular to a kind of anti-snake oil of high speed motor car
Pressure damper exhaust apparatus.
Background technique
When the operation of rail locomotive vehicle reaches a certain critical speed, vehicle will appear hunting, will appear when serious de-
Rail safety accident.Speed is higher, more important to the control of snake movement, therefore anti-snake oil-pressure damper is used to reduce the snake of vehicle
Row movement, improves cruising characteristic and safety, plays key effect.Anti-hunting damper holder is in be horizontally mounted on vehicle,
Including the interior working cylinder and outer oil storage cylinder being connected by the oil return hole on guide holder, when work, piston is reciprocal in working cylinder
Movement, makes cylinder inner fluid generate high pressure, and oil liquid generates necessary damping force when passing through damper valves to reach decaying vibration
Purpose.Anti-hunting damper holder job requirement is to generate high damping force at low, in order to guarantee its job requirement, working cylinder
And each component sealing reliably almost must require to be zero leakage, result in air in working cylinder that can not be discharged in this way in oil storage cylinder,
Damper in assembling process in working cylinder exhaust be not thorough or suck air during the work time after, working cylinder will appear oil gas
Admixture, air are a kind of elastic fluids, Yi Dan there are gas and when can not be discharged in working cylinder, the damping force meeting of damper
Generating large change, i.e., damper significantly reduces almost without damping force or damping force, so that the service performance of damper is reduced,
Traffic safety is influenced when serious, existing oil-pressure damper is without exhaust apparatus, when there is gas in working cylinder, can not arrange at all
Gas influences damper performance and stablizes performance.
Summary of the invention
It is vented and is filled with anti-snake oil-pressure damper in view of the deficiencies of the prior art, the present invention proposes a kind of high speed motor car
Set, design has the exhaust passage of specific position on guide holder, damper during stretching, by the air in working cylinder by this
Exhaust passage discharge, to guarantee that the oil-pressure damper being horizontally mounted without " lost motion ", guarantees anti-snake oil pressure vibration damping at work
The performance of device is stablized.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows:
The anti-snake oil-pressure damper exhaust apparatus of a kind of high speed motor car, comprising: in the guiding of the anti-snake oil-pressure damper
The upper end of seat end face is provided with exhaust passage, and one end of the exhaust passage is connected with the oil return hole on the guide holder, institute
The other end for stating exhaust passage is connected with the working cylinder of the anti-snake oil-pressure damper, and the other end of the exhaust passage
Inside be provided with for be discharged work gas in the jar and obstruct working cylinder inner fluid infiltration valve and for the valve to be fixed
In the resilient key in exhaust passage.
Further, the exhaust passage is the stepped hole of variable diameter, small-bore one end of the stepped hole and the guiding
Oil return hole on seat is connected, and is provided with the valve and resilient key in large aperture one end of the stepped hole.
Further, the exhaust passage is to be obliquely installed, and large aperture one end is higher than small-bore one end, convenient for gas
All and quickly it is discharged.
Further, the exhaust passage is located at the highest point of the guide holder end face.
Further, at least a part of working cylinder with the cooperation anti-snake oil-pressure damper in described large aperture one end
Guide holder guide cylinder face intersection.
Further, the valve is and resilient key is cylindric.
Further, the resilient key and stepped hole are interference fit, guarantee valve axial restraint.
Further, the resilient key is hollow structure, convenient for the discharge of gas.
Further, the valve is grease proofing gas permeable material.
Beneficial effects of the present invention include at least: high speed motor car of the present invention is vented with anti-snake oil-pressure damper and is filled
Set, have the exhaust passage of specific position by designing on guide holder, damper during stretching, by the air in working cylinder
It is discharged by the exhaust passage, to guarantee that the oil-pressure damper being horizontally mounted at work without " lost motion ", guarantees anti-snake oil pressure
The performance of damper is stablized；Meanwhile existing Two-way Cycle transverse direction oil-pressure damper, test speed is high, even if there are one for working cylinder
Fixed leakage also can guarantee the foundation of the damping force in high speed；Exhaust apparatus can be introduced into lateral oil pressure vibration damping by the present invention
After device, the accurate control to lateral oil-pressure damper Low speed damping force can be reinforced.
Detailed description of the invention
Fig. 1 is the anti-snake oil-pressure damper structural schematic diagram of the prior art.
Fig. 2 is exhauster structure schematic diagram of the present invention.
Fig. 3 is exhaust apparatus working principle diagram of the present invention.
Wherein, 1- guide holder, the end face 101-, 102- guide cylinder face, 2- piston rod, 3- piston assembly, 4- working cylinder, 5-
Bottom valve assembly, 6- bottom valve sealing ring, 7- oil liquid, 8- piston seal, 9- air, 10- pilot seal circle, 11- cylinder end sealing ring,
12- exhaust passage, 13- resilient key, 14- valve, 15- oil return hole.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, combined with specific embodiments below to this
Invention is described in further detail.The embodiments described below is exemplary, and for explaining only the invention, and cannot be understood
For limitation of the present invention.Particular technique or condition are not specified in embodiment, according to the literature in the art described skill
Art or condition are carried out according to product description.
Fig. 1 is the anti-snake oil-pressure damper structural schematic diagram of the prior art, shown referring to Fig.1, anti-snake in the prior art
Row oil-pressure damper specifically includes that including guide holder, piston rod, piston assembly, working cylinder, bottom valve assembly, oil liquid, wherein piston
It is respectively equipped with valve system on assembly and bottom valve assembly, for establishing required damping force.Oil liquid leakage in order to prevent, the damper are adopted
It has taken following four main measures: being provided with pilot seal circle, solve the problems, such as the dynamic sealing between guide holder and piston rod；Provided with cylinder
Sealing ring is held, solves the problems, such as the static seal between guide holder and working cylinder；Provided with piston seal, piston assembly and work are solved
Make the dynamic sealing problem between cylinder；Provided with bottom valve sealing ring, the static seal between bottom valve assembly and working cylinder is solved the problems, such as, close
It has illustrated in cardinal principle, has no longer been repeated herein in the background technology.Due to there is air in working cylinder, damper can go out when working
Existing " lost motion ", reduces the service performance of product.
In order to solve the above technical problems, the specific embodiment that the present invention takes is as described below.
According to an embodiment of the invention, Fig. 2 is exhauster structure schematic diagram of the present invention, Fig. 3 is exhaust apparatus of the present invention
Working principle diagram, referring to shown in Fig. 2 and 3, the anti-snake oil-pressure damper exhaust apparatus of high speed motor car of the present invention, packet
It includes: the upper end of the guide holder end face of the anti-snake oil-pressure damper is provided with exhaust passage, one end of the exhaust passage
It is connected with the oil return hole on the guide holder, the work of the other end of the exhaust passage and the anti-snake oil-pressure damper
Cylinder is connected, and is provided in the other end of the exhaust passage for work gas in the jar and barrier working cylinder inner fluid to be discharged
The valve of infiltration and resilient key for being fixed on the valve in exhaust passage.
According to an embodiment of the invention, the exhaust passage is the stepped hole of variable diameter, small-bore one end of the stepped hole
It is connected with the oil return hole on the guide holder, is provided with the valve and resilient key in large aperture one end of the stepped hole.
According to an embodiment of the invention, the exhaust passage is to be obliquely installed, and large aperture one end is higher than small-bore one end,
Whole and quickly discharge convenient for gas.
According to an embodiment of the invention, the exhaust passage is located at the highest point of the guide holder end face.
According to an embodiment of the invention, described large aperture one end is at least a part of and cooperates the anti-snake oil pressure vibration damping
Intersect in the guide cylinder face of the guide holder of the working cylinder of device.
According to an embodiment of the invention, it is cylindric that the valve, which is with resilient key,.
According to an embodiment of the invention, the resilient key and stepped hole are interference fit, guarantee valve axial restraint.
According to an embodiment of the invention, the resilient key has elasticity and is hollow structure, convenient for the discharge of gas.
According to an embodiment of the invention, the valve is grease proofing gas permeable material, concrete type is not particularly limited, as long as energy
Play the role of only gas being allowed to pass through when being pressurized, while oil liquid infiltration can be obstructed again.
According to an embodiment of the invention, referring to shown in Fig. 3, the operation principle of the present invention is that: if having in working cylinder in the presence of empty
Gas, using the characteristic of Oil-gas Separation, in lower section, air contacts oil in ullage and at first with working cylinder highest point, works as piston
When bar makees extensional motion P with piston assembly, oil gas is forced between guide holder and piston to be pressurized, gas is from the big stomidium of exhaust apparatus
Mouth enters oil return hole, into oil storage cylinder (being not shown in the figure, be set to the outside of working cylinder), exhaust pathway after valve filters
As shown in Q in figure, the air in working cylinder can be emptied by multiple tension and compression activity.
In summary: the anti-snake oil-pressure damper exhaust apparatus of high speed motor car of the present invention, by guide holder
Design has the exhaust passage of specific position, and damper is discharged by the exhaust passage during stretching, by the air in working cylinder,
To guarantee that the oil-pressure damper being horizontally mounted at work without " lost motion ", guarantees that the performance of anti-snake oil-pressure damper is stablized；
Meanwhile existing Two-way Cycle transverse direction oil-pressure damper, test speed is high, even if working cylinder also can guarantee there are certain leakage
The foundation of damping force in high speed；After exhaust apparatus can be introduced into lateral oil-pressure damper by the present invention, it can reinforce to cross
Accurate control to oil-pressure damper Low speed damping force.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, at the same time, for those skilled in the art, the think of according to the application
Think, there will be changes in the specific implementation manner and application range.
Claims (9)
1. a kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car characterized by comprising in the anti-snake oil pressure
The upper end of the guide holder end face of damper is provided with exhaust passage, the oil return on one end of the exhaust passage and the guide holder
Hole is connected, and the other end of the exhaust passage is connected with the working cylinder of the anti-snake oil-pressure damper, and the exhaust
It is provided in the other end in channel for work gas in the jar to be discharged and obstructs valve and be used to incite somebody to action that working cylinder inner fluid permeates
The valve is fixed on the resilient key in exhaust passage.
2. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 1, which is characterized in that the row
Gas channel is the stepped hole of variable diameter, and small-bore one end of the stepped hole is connected with the oil return hole on the guide holder, described
The valve and resilient key are provided in large aperture one end of stepped hole.
3. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 2, which is characterized in that the row
Gas channel is to be obliquely installed, and large aperture one end is higher than small-bore one end, whole and quickly discharge convenient for gas.
4. high speed motor car according to any one of claim 1-3 anti-snake oil-pressure damper exhaust apparatus, feature
It is, the exhaust passage is located at the highest point of the guide holder end face.
5. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 2 or 3, which is characterized in that institute
State at least a part of guide cylinder with the guide holder for the working cylinder for cooperating the anti-snake oil-pressure damper in large aperture one end
Face intersection.
6. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 1, which is characterized in that the gas
Door is and resilient key is cylindric.
7. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 1 or 6, which is characterized in that institute
Resilient key and stepped hole are stated as interference fit, guarantees valve axial restraint.
8. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 1 or 6, which is characterized in that institute
Stating resilient key is hollow structure, convenient for the discharge of gas.
9. the anti-snake oil-pressure damper exhaust apparatus of high speed motor car according to claim 1 or 6, which is characterized in that institute
Stating valve is grease proofing gas permeable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634618.8A CN109737174A (en) | 2018-12-29 | 2018-12-29 | A kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634618.8A CN109737174A (en) | 2018-12-29 | 2018-12-29 | A kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109737174A true CN109737174A (en) | 2019-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634618.8A Pending CN109737174A (en) | 2018-12-29 | 2018-12-29 | A kind of anti-snake oil-pressure damper exhaust apparatus of high speed motor car |
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| Country | Link |
|---|---|
| CN (1) | CN109737174A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536188A (en) * | 2020-04-30 | 2020-08-14 | 珠海市业成轨道交通设备科技有限公司 | Single-cycle structure oil pressure damper guide cover assembly for world leading high-speed motor train unit |
| CN114046332A (en) * | 2021-11-17 | 2022-02-15 | 浙江路得坦摩汽车部件股份有限公司 | Independent exhaust and pressure relief shock absorber |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8007621U1 (en) * | 1980-03-20 | 1980-07-31 | Boge Gmbh, 5208 Eitorf | Ventilation device for hydraulic devices, especially vibration dampers !! |
| CN2797769Y (en) * | 2005-05-20 | 2006-07-19 | 万向钱潮股份有限公司 | Exhaust guiding means for vehicle shock absorber |
| CN101857039A (en) * | 2009-04-10 | 2010-10-13 | 萱场工业株式会社 | Linear shock absorber for railway vehicles |
| CN202926945U (en) * | 2012-11-20 | 2013-05-08 | 株洲联诚集团减振器有限责任公司 | Exhaust device in pressure cylinder of snake-shaped oil pressure-preventive damper |
| US20160017951A1 (en) * | 2014-07-16 | 2016-01-21 | Hitachi Automotive Systems, Ltd. | Shock absorber |
| CN106594146A (en) * | 2016-12-27 | 2017-04-26 | 胡满航 | Novel automobile shock absorber assembly |
| CN107893830A (en) * | 2017-12-14 | 2018-04-10 | 株洲联诚集团控股股份有限公司 | A kind of oil-pressure damper that may filter that formula exhaust |
| CN209800598U (en) * | 2018-12-29 | 2019-12-17 | 深圳市中车业成实业有限公司 | Anti-snaking oil pressure damper exhaust device for high-speed motor car |
-
2018
- 2018-12-29 CN CN201811634618.8A patent/CN109737174A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8007621U1 (en) * | 1980-03-20 | 1980-07-31 | Boge Gmbh, 5208 Eitorf | Ventilation device for hydraulic devices, especially vibration dampers !! |
| CN2797769Y (en) * | 2005-05-20 | 2006-07-19 | 万向钱潮股份有限公司 | Exhaust guiding means for vehicle shock absorber |
| CN101857039A (en) * | 2009-04-10 | 2010-10-13 | 萱场工业株式会社 | Linear shock absorber for railway vehicles |
| CN202926945U (en) * | 2012-11-20 | 2013-05-08 | 株洲联诚集团减振器有限责任公司 | Exhaust device in pressure cylinder of snake-shaped oil pressure-preventive damper |
| US20160017951A1 (en) * | 2014-07-16 | 2016-01-21 | Hitachi Automotive Systems, Ltd. | Shock absorber |
| CN106594146A (en) * | 2016-12-27 | 2017-04-26 | 胡满航 | Novel automobile shock absorber assembly |
| CN107893830A (en) * | 2017-12-14 | 2018-04-10 | 株洲联诚集团控股股份有限公司 | A kind of oil-pressure damper that may filter that formula exhaust |
| CN209800598U (en) * | 2018-12-29 | 2019-12-17 | 深圳市中车业成实业有限公司 | Anti-snaking oil pressure damper exhaust device for high-speed motor car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536188A (en) * | 2020-04-30 | 2020-08-14 | 珠海市业成轨道交通设备科技有限公司 | Single-cycle structure oil pressure damper guide cover assembly for world leading high-speed motor train unit |
| CN114046332A (en) * | 2021-11-17 | 2022-02-15 | 浙江路得坦摩汽车部件股份有限公司 | Independent exhaust and pressure relief shock absorber |
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