CN108343699A - A kind of flexible shock absorber of the fluid pressure type that can reduce rail transit noise - Google Patents
A kind of flexible shock absorber of the fluid pressure type that can reduce rail transit noise Download PDFInfo
- Publication number
- CN108343699A CN108343699A CN201810406933.9A CN201810406933A CN108343699A CN 108343699 A CN108343699 A CN 108343699A CN 201810406933 A CN201810406933 A CN 201810406933A CN 108343699 A CN108343699 A CN 108343699A
- Authority
- CN
- China
- Prior art keywords
- telescopic tube
- outer telescopic
- interior bar
- flexible interior
- flexible
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of flexible shock absorbers of fluid pressure type that can reduce rail transit noise, including outer telescopic tube, upper card slot, upper mounting ring, conduit, negative pressure cylinder, end cap, guide hole, groove, flexible interior bar, bottom plate, pilot seal circle, guide sleeve, piston, boss body, lower bayonet slot, spring and lower mounting ring.The outer telescopic tube of the flexible shock absorber of the fluid pressure type, negative pressure cylinder and flexible interior bar are all made of insulating materials and are made, effectively avoid spontaneous combustion, the generation of fire, when flexible interior bar is twitched in outer telescopic tube, damping oil is directly flowed in outer telescopic tube chamber and negative pressure cylinder, ensure the smooth change of off-load hydraulic pressure, slow down the concussion of spring, effectively promote shock-proof effect, flexible interior bar is twitched by guide sleeve in outer telescopic tube, improve the precision for the interior bar motion guide that stretches, enhance the leakproofness of outer telescopic tube simultaneously, piston face is equipped with wearing layer, piston is set to be connected with outer telescopic tube more compact, and enhance the wearability of piston.
Description
Technical field
The present invention relates to a kind of shock absorber, specially a kind of fluid pressure type that can reduce rail transit noise stretches shock-absorbing
Device belongs to mechanical shock absorption technical field.
Background technology
With the development of the times, rail traffic is more and more common, and the thing followed is exactly the safety issue of rail traffic
And its problem of service life, especially in terms of shock-absorbing function, shock absorber is widely used in automobile, on locomotive, can absorb vapour
Generated impulse force reaches buffering effect when vehicle, locomotive brake, to improve the comfort taken and safety when driving.
Existing damper mostly uses greatly single hole compression, cannot effectively alleviate vibrations, and prolonged compression friction,
The continuous aging of parts, easily occurs fire phenomena, causes some potential safety problems, used spring either metal spring
Or gas spring formula, stroke all can not be freely adjusted, more complicated structure is typically necessary and either changes shock-absorbing device axis
The length of bar, the length of the length of metal spring either gas spring gas chamber tubing realize the purpose for changing stroke, these
Method is all more complicated and enforcement difficulty is big, of high cost, and the performance of safety coefficient is mitigated for existing fluid pressure type shock absorber
It is poor, it cannot be obviously improved damping effect, and spring is only added in one end, easily the other end be made to damage when damper acutely shakes,
Safety is not high.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of liquid that can reduce rail transit noise
Pressure type stretches shock absorber.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of fluid pressure type that can reduce rail transit noise
Flexible shock absorber, including outer telescopic tube, upper card slot, upper mounting ring, conduit, negative pressure cylinder, end cap, guide hole, groove, flexible interior bar,
Bottom plate, pilot seal circle, guide sleeve, piston, boss body, lower bayonet slot, spring and lower mounting ring；The outer telescopic tube is sleeved on flexible
On the outside of interior bar, the outer telescopic tube is externally connected to card slot, upper mounting ring and conduit, and the upper card slot is welded on flexible outer
On the tube wall of pipe, the upper card slot is located at the top of outer telescopic tube, and the upper mounting ring is arranged in the top of upper card slot, it is described on
The top of mounting ring and outer telescopic tube welds together, and one end of the conduit is separately mounted to the left and right sides of outer telescopic tube,
The other end of the conduit links together with negative pressure cylinder, and the negative pressure cylinder is arranged in the outer ring of upper card slot, and the end cap is located at
Between outer telescopic tube and upper mounting ring, groove is provided on the inside of the end cap, the guide hole is opened in the side wall of outer telescopic tube, institute
It states guide hole to be connected to negative pressure cylinder with outer telescopic tube by conduit, the groove is located at the center of end cap, described flexible interior
Bar is mounted on the lower section of outer telescopic tube, and the bottom plate is located at the tail end of outer telescopic tube, and the pilot seal circle is placed in bottom plate
Top, the pilot seal circle are located at the inside of outer telescopic tube, and the inside of the pilot seal circle is equipped with guide sleeve, the guiding
For set between pilot seal circle and flexible interior bar, the piston is placed in the inside of outer telescopic tube, and the piston, which is mounted on, to be stretched
The upper end of contracting interior bar, the boss body are welded on the top of flexible interior bar, and the lower bayonet slot is welded on the bar wall of flexible interior bar,
The lower bayonet slot is located at the lower part of flexible interior bar, and the spring pocket is peripheral in outer telescopic tube and flexible interior bar, and the two of the spring
Card is placed on card slot on lower bayonet slot respectively at end, and the lower mounting ring is arranged in the lower section of lower bayonet slot, the lower mounting ring welding
In the tail end of flexible interior bar.
Preferably, in order to effectively avoid the generation of spontaneous combustion, fire, the outer telescopic tube, negative pressure cylinder and flexible interior bar from adopting
It is made from an insulative material.
Preferably, in order to slow down the concussion of spring, when the flexible interior bar is twitched in outer telescopic tube, damping oil is flexible
Outer tube chamber and negative pressure cylinder directly flow.
Preferably, in order to improve the precision of flexible interior bar motion guide, the flexible interior bar is by guide sleeve flexible outer
It is twitched in pipe.
Preferably, in order to enhance the wearability of piston, the piston face is equipped with wearing layer.
The beneficial effects of the invention are as follows：The fluid pressure type stretches shock absorber reasonable design, outer telescopic tube, negative pressure cylinder and it is flexible in
Bar is all made of insulating materials and is made, and effectively avoids spontaneous combustion, the generation of fire, when flexible interior bar is twitched in outer telescopic tube, damping
Oil is directly flowed in outer telescopic tube chamber and negative pressure cylinder, is ensured the smooth change of off-load hydraulic pressure, is slowed down the concussion of spring, effectively carry
Shock-proof effect is risen, flexible interior bar is twitched by guide sleeve in outer telescopic tube, improves the precision for the interior bar motion guide that stretches, simultaneously
Enhance the leakproofness of outer telescopic tube, piston face is equipped with wearing layer, so that piston is connected with outer telescopic tube more compact, and enhance work
The wearability of plug.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention outer telescopic tube internal structure schematic diagram；
In figure：1, outer telescopic tube, 2, upper card slot, 3, upper mounting ring, 4, conduit, 5, negative pressure cylinder, 6, end cap, 7, guide hole, 8, groove,
9, it stretches interior bar, 10, bottom plate, 11, pilot seal circle, 12, guide sleeve, 13, piston, 14, boss body, 15, lower bayonet slot, 16, bullet
Spring, 17, lower mounting ring.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please referring to Fig.1 ~ 2, a kind of fluid pressure type that can reduce rail transit noise stretches shock absorber, including outer telescopic tube 1,
Upper card slot 2, upper mounting ring 3, conduit 4, negative pressure cylinder 5, end cap 6, guide hole 7, groove 8, flexible interior bar 9, bottom plate 10, pilot seal circle
11, guide sleeve 12, piston 13, boss body 14, lower bayonet slot 15, spring 16 and lower mounting ring 17；The outer telescopic tube 1 is sleeved on flexible
9 outside of interior bar, the outer telescopic tube 1 are externally connected to card slot 2, upper mounting ring 3 and conduit 4, and the upper card slot 2 is welded on
On the tube wall of outer telescopic tube 1, the upper card slot 2 is located at the top of outer telescopic tube 1, and the upper mounting ring 3 is arranged in upper card slot 2
Top, the upper mounting ring 3 and the top of outer telescopic tube 1 weld together, and one end of the conduit 4 is separately mounted to outside flexible
The left and right sides of pipe 1, the other end and the negative pressure cylinder 5 of the conduit 4 link together, and the negative pressure cylinder 5 is arranged in upper card slot 2
Outer ring, for the end cap 6 between outer telescopic tube 1 and upper mounting ring 3, the inside of the end cap 6 is provided with groove 8, the guide hole 7
It is opened in the side wall of outer telescopic tube 1, negative pressure cylinder 5 is connected to by the guide hole 7 by conduit 4 with outer telescopic tube 1, the groove
8 are located at the center of end cap 6, and the flexible interior bar 9 is mounted on the lower section of outer telescopic tube 1, and the bottom plate 10 is located at outer telescopic tube 1
Tail end, the pilot seal circle 11 is placed in the top of bottom plate 10, and the pilot seal circle 11 is located at the interior of outer telescopic tube 1
The inside in portion, the pilot seal circle 11 is equipped with guide sleeve 12, and the guide sleeve 12 is located at pilot seal circle 11 and flexible interior bar 9
Between, the piston 13 is placed in the inside of outer telescopic tube 1, and the piston 13 is mounted on the upper end of flexible interior bar 9, the boss
Body 14 is welded on the top of flexible interior bar 9, and the lower bayonet slot 15 is welded on the bar wall of flexible interior bar 9, the lower bayonet slot 15
In the lower part of flexible interior bar 9, the spring 16 is sleeved on outer telescopic tube 1 and 9 periphery of flexible interior bar, the both ends difference of the spring 16
Card is placed on card slot 2 on lower bayonet slot 15, and the lower mounting ring 17 is arranged in the lower section of lower bayonet slot 15, and the lower mounting ring 17 is welded
It is connected on the tail end of flexible interior bar 9, the outer telescopic tube 1, negative pressure cylinder 5 and flexible interior bar 9 are all made of insulating materials and are made, effectively keep away
Exempt from spontaneous combustion, the generation of fire, when the flexible interior bar 9 is twitched in outer telescopic tube 1, damping oil is in 1 chamber of outer telescopic tube and bears
Cylinder pressure 5 directly flows, and ensures the smooth change of off-load hydraulic pressure, slows down the concussion of spring 16, effectively promote shock-proof effect, described to stretch
Contracting interior bar 9 is twitched by guide sleeve 12 in outer telescopic tube 1, and the precision for 9 motion guide of interior bar that stretches is improved, while being enhanced flexible
The leakproofness of outer tube 1,13 surface of the piston are equipped with wearing layer, so that piston 13 and outer telescopic tube 1 is connected more compact, and enhance
The wearability of piston 13.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
- The shock absorber 1. a kind of fluid pressure type that can reduce rail transit noise stretches, it is characterised in that：Including outer telescopic tube（1）、 Upper card slot（2）, upper mounting ring（3）, conduit（4）, negative pressure cylinder（5）, end cap（6）, guide hole（7）, groove（8）, flexible interior bar（9）、 Bottom plate（10）, pilot seal circle（11）, guide sleeve（12）, piston（13）, boss body（14）, lower bayonet slot（15）, spring（16）With Lower mounting ring（17）；The outer telescopic tube（1）It is sleeved on flexible interior bar（9）Outside, the outer telescopic tube（1）Be externally connected to card slot（2）、 Upper mounting ring（3）And conduit（4）, the upper card slot（2）It is welded on outer telescopic tube（1）Tube wall on, the upper card slot（2）It is located at Outer telescopic tube（1）Top, the upper mounting ring（3）It is arranged in upper card slot（2）Top, the upper mounting ring（3）With it is flexible Outer tube（1）Top weld together, the conduit（4）One end be separately mounted to outer telescopic tube（1）The left and right sides, it is described Conduit（4）The other end and negative pressure cylinder（5）It links together, the negative pressure cylinder（5）It is arranged in upper card slot（2）Outer ring, it is described End cap（6）Positioned at outer telescopic tube（1）With upper mounting ring（3）Between, the end cap（6）Inside be provided with groove（8）, the guide hole （7）It is opened in outer telescopic tube（1）Side wall, the guide hole（7）Pass through conduit（4）By negative pressure cylinder（5）With outer telescopic tube（1）It carries out Connection, the groove（8）Positioned at end cap（6）Center at, the flexible interior bar（9）Mounted on outer telescopic tube（1）Lower section, institute State bottom plate（10）Positioned at outer telescopic tube（1）Tail end, the pilot seal circle（11）It is placed in bottom plate（10）Top, it is described to lead To sealing ring（11）Positioned at outer telescopic tube（1）Inside, the pilot seal circle（11）Inside be equipped with guide sleeve（12）, described Guide sleeve（12）Positioned at pilot seal circle（11）With flexible interior bar（9）Between, the piston（13）It is placed in outer telescopic tube（1）'s Inside, the piston（13）Mounted on flexible interior bar（9）Upper end, the boss body（14）It is welded on flexible interior bar（9）Top End, the lower bayonet slot（15）It is welded on flexible interior bar（9）Bar wall on, the lower bayonet slot（15）Positioned at flexible interior bar（9）Under Portion, the spring（16）It is sleeved on outer telescopic tube（1）With flexible interior bar（9）Periphery, the spring（16）Both ends block be placed on respectively Upper card slot（2）With lower bayonet slot（15）On, the lower mounting ring（17）It is arranged in lower bayonet slot（15）Lower section, the lower mounting ring （17）It is welded on flexible interior bar（9）Tail end.
- The shock absorber 2. fluid pressure type according to claim 1 stretches, it is characterised in that：The outer telescopic tube（1）, negative pressure cylinder （5）With flexible interior bar（9）Insulating materials is all made of to be made.
- The shock absorber 3. fluid pressure type according to claim 1 stretches, it is characterised in that：The flexible interior bar（9）Flexible outer Pipe（1）When interior twitch, damping oil is in outer telescopic tube（1）Chamber and negative pressure cylinder（5）Directly flow.
- The shock absorber 4. fluid pressure type according to claim 1 stretches, it is characterised in that：The flexible interior bar（9）Pass through guiding Set（12）In outer telescopic tube（1）Interior twitch.
- The shock absorber 5. fluid pressure type according to claim 1 stretches, it is characterised in that：The piston（13）Surface is equipped with wear-resisting Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406933.9A CN108343699A (en) | 2018-05-01 | 2018-05-01 | A kind of flexible shock absorber of the fluid pressure type that can reduce rail transit noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406933.9A CN108343699A (en) | 2018-05-01 | 2018-05-01 | A kind of flexible shock absorber of the fluid pressure type that can reduce rail transit noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343699A true CN108343699A (en) | 2018-07-31 |
Family
ID=62956128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810406933.9A Pending CN108343699A (en) | 2018-05-01 | 2018-05-01 | A kind of flexible shock absorber of the fluid pressure type that can reduce rail transit noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121672A (en) * | 2018-08-08 | 2019-01-04 | 江西锦囊商旅信息有限公司 | A kind of mowing-apparatus with disconnected grass recycling function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567137Y (en) * | 2002-05-23 | 2003-08-20 | 重庆长安减震器有限公司 | Floating piston inflation rear shock absorber |
| EP1577580A2 (en) * | 2004-03-20 | 2005-09-21 | Krauss-Maffei Wegmann GmbH & Co. KG | Hydropneumatic spring for vehicle, especially tracked vehicle, and suspension unit for roll wheel on a tracked vehicle equipped with this spring |
| CN1811219A (en) * | 2005-01-25 | 2006-08-02 | 王宝国 | Hydraulic bidirection return stroke damper |
| US20090000892A1 (en) * | 2003-10-08 | 2009-01-01 | Peter Russell | Shock absorber apparatus |
| CN206429594U (en) * | 2017-01-18 | 2017-08-22 | 泰州市捷鑫机械设备有限公司 | A kind of hydraulic type automobile damper |
| CN107339363A (en) * | 2017-05-25 | 2017-11-10 | 江苏泰豪减震器制造有限公司 | A kind of adjustable motorcycle vibration absorber |
| CN207261561U (en) * | 2017-10-09 | 2018-04-20 | 浙江永美科技有限公司 | A kind of subsidiary nitrogen shock absorber |
-
2018
- 2018-05-01 CN CN201810406933.9A patent/CN108343699A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2567137Y (en) * | 2002-05-23 | 2003-08-20 | 重庆长安减震器有限公司 | Floating piston inflation rear shock absorber |
| US20090000892A1 (en) * | 2003-10-08 | 2009-01-01 | Peter Russell | Shock absorber apparatus |
| EP1577580A2 (en) * | 2004-03-20 | 2005-09-21 | Krauss-Maffei Wegmann GmbH & Co. KG | Hydropneumatic spring for vehicle, especially tracked vehicle, and suspension unit for roll wheel on a tracked vehicle equipped with this spring |
| CN1811219A (en) * | 2005-01-25 | 2006-08-02 | 王宝国 | Hydraulic bidirection return stroke damper |
| CN206429594U (en) * | 2017-01-18 | 2017-08-22 | 泰州市捷鑫机械设备有限公司 | A kind of hydraulic type automobile damper |
| CN107339363A (en) * | 2017-05-25 | 2017-11-10 | 江苏泰豪减震器制造有限公司 | A kind of adjustable motorcycle vibration absorber |
| CN207261561U (en) * | 2017-10-09 | 2018-04-20 | 浙江永美科技有限公司 | A kind of subsidiary nitrogen shock absorber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121672A (en) * | 2018-08-08 | 2019-01-04 | 江西锦囊商旅信息有限公司 | A kind of mowing-apparatus with disconnected grass recycling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180731 |
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| RJ01 | Rejection of invention patent application after publication |