CN103322119A - Pneumatic damp-adjustable coaxial integrated damping brace - Google Patents
Pneumatic damp-adjustable coaxial integrated damping brace Download PDFInfo
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- CN103322119A CN103322119A CN2013101866539A CN201310186653A CN103322119A CN 103322119 A CN103322119 A CN 103322119A CN 2013101866539 A CN2013101866539 A CN 2013101866539A CN 201310186653 A CN201310186653 A CN 201310186653A CN 103322119 A CN103322119 A CN 103322119A
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- vibration damper
- adjustable damping
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Abstract
The invention provides a pneumatic damp-adjustable coaxial integrated damping brace which comprises a damper, an air spring arranged above the damper, a pneumatic damp adjustable damping device fixed on a damper lateral wall and an air pipe connecting the air spring and the pneumatic adjustable damping device. The air spring and the damper are arranged coaxially and integrally. Damping coefficient of a damper can be adjusted according to vehicle load changes, larger damping coefficient is provided when a vehicle load is large, and smaller damping coefficient is provided when the vehicle load is small. The self-adaptation capacity of a suspension system is improved, and damping performance of a vehicle suspension is improved. The pneumatic adjustable damping device is simple in structure and fewer in parts and improves machining and assembling efficiency and reliability of the pneumatic damp-adjustable damping brace.
Description
Technical field
The present invention relates to the vehicle chassis technical field, relate in particular to a kind of pneumatic adjustable damping coaxial integrated sprung shock-strut that is applicable to be equipped with air suspension and useful load variation vehicle greatly.
Background technique
Suspension is the vitals in the vehicle chassis, dynamic performance impact on vehicle is great, the damping constant of tradition vibration damper is definite value, can not satisfy vehicle adjustment requirement to shock absorber damping when load variations, thereby be difficult to reach gratifying effectiveness in vibration suppression.The semi-active suspension that development in recent years is got up can change the damping constant of regulating in real time vibration damper according to traveling state of vehicle, but bring simultaneously reliability to reduce because its complex structure, low-response, Control System Design are had relatively high expectations, thereby overall performance still remain further to be improved.
For the problems referred to above, be necessary to provide a kind of pneumatic adjustable damping coaxial integrated sprung shock-strut.
Summary of the invention
The invention provides a kind of pneumatic adjustable damping coaxial integrated sprung shock-strut, it need not under the condition of control unit, and vibration damper can directly carry out the self adaption adjusting of damping according to the gas pressure of pneumatic spring inside.
To achieve these goals, the technological scheme that provides of the embodiment of the invention is as follows:
A kind of pneumatic adjustable damping coaxial integrated sprung shock-strut, comprise vibration damper, be positioned at the pneumatic spring of vibration damper top, the tracheae that is fixed in the pneumatic adjustable damping device on the described vibration damper sidewall and connects described pneumatic spring and pneumatic adjustable damping device, described pneumatic spring and vibration damper are that coaxial integrated is arranged.
As a further improvement on the present invention, described vibration damper is three core structures, comprise the adapter cavity between active chamber, shoe cream room and active chamber and the shoe cream room, described pneumatic adjustable damping device limits the Fluid Flow in A between described adapter cavity and the shoe cream room, and the top of described shoe cream room is filled with gas.
As a further improvement on the present invention, described active chamber epicoele top is provided with some apertures, and active chamber is connected by aperture with adapter cavity.
As a further improvement on the present invention, described pneumatic spring top is provided with upper sealing panel, between upper sealing panel and the vibration damper rubber-buffer is housed.
As a further improvement on the present invention, described vibration damper medial axis is provided with the piston rod that extends vibration damper top, the top that is positioned at upper sealing panel on the piston rod is provided with upper cap nut, upper cap nut is used for limiting the up limit position of upper sealing panel, the bottom of piston rod is provided with the piston valve assembly, and the bottom of described vibration damper is provided with the bottom valve assembly.
As a further improvement on the present invention, on the described piston rod resilience limiting stopper is installed also.
As a further improvement on the present invention, described pneumatic adjustable damping device comprise the hollow type shell, the end cap that is connected with shell of one side perforate, at the T of end cap inside shape bar and the spring between T shape bar and shell.
As a further improvement on the present invention, between described end cap and the T shape bar air chamber is arranged, have aperture on the described end cap, tracheae is connected with aperture, will introduce air chamber from the gas of pneumatic spring.
The present invention has following beneficial effect:
Pneumatic spring and vibration damper coaxial integrated layout, compact structure has reduced the installing space of suspension system, if be necessary, pneumatic spring can adopt split type layout with vibration damper, pneumatic spring can replace with hydro-pneumatic spring; The principle that pneumatic adjustable damping device utilizes T shape bar can move forward and backward under the force action of air pressure and spring force limits the fluid of vibration damper shoe cream room and adapter cavity is mobile;
The present invention can carry out according to the variation of vehicle load the adjustment of shock absorber damping, larger damping constant is provided when vehicle load is larger, hour provide less damping constant in vehicle load, improved the adaptive ability of suspension system, improved the damping property of vehicle suspension; Pneumatic adjustable damping device is simple in structure, and part is few, has improved processing and assembling efficient and the reliability of pneumatic adjustable damping sprung shock-strut.
Description of drawings
Fig. 1 is pneumatic adjustable damping integral type sprung shock-strut structure principle chart in the embodiment of the invention;
Fig. 2 is the chamber distribution map of vibration damper and pneumatic adjustable damping device in the embodiment of the invention;
Fig. 3 is pneumatic adjustable damping device structure principle chart in the embodiment of the invention;
Fig. 4 is embodiment of the invention Air spring pressure compression stroke fluid flow graph hour;
Fig. 5 is the compression stroke fluid flow graph of embodiment of the invention Air spring pressure when larger;
Fig. 6 is embodiment of the invention Air spring pressure extension stroke fluid flow graph hour;
Fig. 7 is the extension stroke fluid flow graph of embodiment of the invention Air spring pressure when larger.
Among the figure, the 1-upper cap nut; The 2-seal ring; The 3-upper sealing panel; The 4-buffer body; The 5-clip; The 6-seal ring; The 7-vibration damper; The 8-seal ring; The 9-outer tube wall; 10-gas; 11-transition barrel; The 12-aperture; The 13-inner tube wall; 14-resilience limiting stopper; The 15-pneumatic spring; The 16-seal ring; The 17-seal ring; The 18-supporting frame; The 19-retainer; The 20-piston rod; 21-piston valve assembly; The 22-nut; The 23-bolt; 24-bottom valve assembly; The 25-nut; The 26-tracheae; The 27-shell; The 28-oil sealing; The 29-spring; 30-T shape bar; The 31-left end cap.
Embodiment
Describe the present invention below with reference to each mode of execution shown in the drawings.But these mode of executions do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these mode of executions, method or the function all is included in protection scope of the present invention.
The invention discloses a kind of pneumatic adjustable damping coaxial integrated sprung shock-strut, comprise vibration damper, be positioned at the pneumatic spring of vibration damper top, the tracheae that is fixed in the pneumatic adjustable damping device on the vibration damper sidewall and connects pneumatic spring and pneumatic adjustable damping device.Wherein:
Vibration damper is three core structures, comprises the adapter cavity between active chamber, shoe cream room and active chamber and the shoe cream room, and pneumatic adjustable damping device limits the Fluid Flow in A between adapter cavity and the shoe cream room, and the top of shoe cream room is filled with a small amount of gas.Active chamber epicoele top is provided with some apertures, and active chamber is connected by aperture with adapter cavity.
Pneumatic spring top is provided with upper sealing panel, between upper sealing panel and the vibration damper rubber-buffer is housed.The vibration damper medial axis is provided with the piston rod that extends vibration damper top, the top that is positioned at upper sealing panel on the piston rod is provided with upper cap nut, upper cap nut is used for limiting the up limit position of upper sealing panel, and the bottom of piston rod is provided with the piston valve assembly, and the bottom of vibration damper is provided with the bottom valve assembly.The resilience limiting stopper also is installed on the piston rod.
Pneumatic adjustable damping device comprises the hollow type shell, the end cap that is connected with shell of one side perforate, at the T of end cap inside shape bar and the spring between T shape bar and shell.Be formed with air chamber between end cap and the T shape bar, have aperture on the end cap, tracheae is connected with aperture, will introduce air chamber from the gas of pneumatic spring.
Air spring of the present invention and vibration damper are that coaxial integrated is arranged, compact structure has reduced the installing space of suspension system, if be necessary, pneumatic spring can adopt split type layout with vibration damper, and pneumatic spring can replace with hydro-pneumatic spring; The principle that pneumatic adjustable damping device utilizes T shape bar can move forward and backward under the force action of air pressure and spring force limits the fluid of vibration damper shoe cream room and adapter cavity is mobile.
Figure 1 shows that pneumatic adjustable damping integral type sprung shock-strut structure principle chart in the embodiment of the invention.Pneumatic spring 15 is cemented on the vibration damper 7 by retainer 19, supporting frame 18, the top of pneumatic spring is consolidated by clip 5 and upper sealing panel 3, nut 1 on the piston rod 20 has limited the up limit position of upper sealing panel, between upper sealing panel 3 and the vibration damper top rubber-buffer 4 is housed; In order to guarantee the sealing of vibration damper 7 and pneumatic spring 15, seal ring 2, seal ring 6, seal ring 8 and seal ring 16 and 17 have been installed respectively.
Because pneumatic spring has been hermetic, therefore, when vehicle load changes, the inevitable thereupon variation of the volume of pneumatic spring, according to the ideal-gas equation under the temperature constant state:
。
The air pressure inside of pneumatic spring 15 also can change.When vehicle load increased, the volume of pneumatic spring 15 reduced, and air pressure raises, and when vehicle load reduced, the volume of pneumatic spring 15 increased, and air pressure reduces.
In conjunction with Fig. 2 and shown in Figure 3, the chamber of vibration damper and pneumatic adjustable damping device distributes as follows:
A is the vibration damper active chamber, and B is the vibration damper adapter cavity, and C is the vibration damper shoe cream room, and D is the inner chamber of pneumatic adjustable damping device, and E is the air chamber of pneumatic adjustable damping device.Gas in the pneumatic spring 15 is incorporated among the air chamber E of pneumatic variable damping device by tracheae 26, T shape bar 30 carries out the movement of front and back position under the force action of gas to the elastic force of the pressure of its generation and spring 29 in air chamber E, and then the Fluid Flow in A between restriction vibration damper adapter cavity B and the shoe cream room C.
Figure 4 shows that embodiment of the invention Air spring pressure compression stroke fluid flow graph hour.When vibration damper was in compression stroke, the fluid part in the vibration damper flowed to upper active chamber by piston valve from lower active chamber, and another part flows to shoe cream room through bottom valve from lower active chamber.According to the structure of piston valve and bottom valve, this moment, the damping force of vibration damper was mainly determined by the resistance that bottom valve and fluid flow through this valve.If the gas pressure in the pneumatic spring is less at this moment, the gas pressure among the air chamber E will be less than the elastic force of spring so, and T shape bar position keeps left, and the resistance of the direction of flow shoe cream room in the vibration damper adapter cavity is less.The a large amount of apertures of fluid through upper active chamber top flow to adapter cavity and flow to shoe cream room again, upper active chamber oil pressure reduces, to increase from the fluid flow that lower active chamber flows to upper active chamber by piston valve, to reduce from the fluid flow that lower active chamber flows to shoe cream room through bottom valve, the damping force of vibration damper diminishes.
Figure 5 shows that the compression stroke fluid flow graph when embodiment of the invention Air spring pressure is larger.When the gas pressure in vibration damper is in compression stroke and pneumatic spring was larger, the gas pressure among the air chamber E will be greater than the elastic force of spring so, keeps right in T shape bar position.Take limit position as example, when T shape bar has been blocked fluid flows to shoe cream room from adapter cavity fluid passage fully, fluid can't flow to adapter cavity through the aperture at upper active chamber top, to reduce from the fluid flow that lower active chamber flows to upper active chamber by piston valve so, to increase from the fluid flow that lower active chamber flows to shoe cream room through bottom valve, it is large that the damping force of vibration damper becomes.
Figure 6 shows that embodiment of the invention Air spring pressure extension stroke fluid flow graph hour.When vibration damper was in stretching travel, the fluid part in the vibration damper flowed to lower active chamber by piston valve from upper active chamber, and another part flows to lower active chamber through bottom valve from shoe cream room.According to the structure of piston valve and bottom valve, this moment, the damping force of vibration damper was mainly determined by the resistance that piston valve and fluid flow through this valve.If the gas pressure in the pneumatic spring is less at this moment, according to above as can be known, fluid can flow to adapter cavity and flow to shoe cream room again through the aperture at upper active chamber top, to reduce from the fluid flow that upper active chamber flows to lower active chamber by piston valve so, to increase from the fluid flow that shoe cream room flows to lower active chamber through bottom valve, the damping force of vibration damper diminishes.
Figure 7 shows that the extension stroke fluid flow graph when embodiment of the invention Air spring pressure is larger.When the gas pressure in vibration damper is in stretching travel and pneumatic spring is larger, equally take limit position as example, T shape bar has been blocked fluid flows to shoe cream room from adapter cavity fluid passage fully, fluid can't flow to adapter cavity through the aperture at upper active chamber top, to increase from the fluid flow that upper active chamber flows to lower active chamber by piston valve so, to reduce from the fluid flow that shoe cream room flows to lower active chamber through bottom valve, it is large that the damping force of vibration damper becomes.
In sum, pneumatic adjustable damping coaxial integrated sprung shock-strut provided by the invention utilizes the proportional relationship of vehicle load and pneumatic spring air pressure inside, by tracheae the gas in the pneumatic spring is introduced among the pneumatic variable damping device, T shape bar in the pneumatic variable damping device moves forward and backward in the comprehensive function of gas pressure and spring force, and then the Fluid Flow in A between restriction vibration damper adapter cavity and the shoe cream room, realize regulating according to the vehicle load self adaption function of resistance of shock absorber characteristic, improved the damping property of vehicle suspension.
The invention has the beneficial effects as follows, can carry out according to the variation of vehicle load the adjustment of shock absorber damping, larger damping constant is provided when vehicle load is larger, hour provide less damping constant in vehicle load, improve the adaptive ability of suspension system, improved the damping property of vehicle suspension; Pneumatic adjustable damping device is simple in structure, and part is few, has improved processing and assembling efficient and the reliability of pneumatic adjustable damping sprung shock-strut.
Be to be understood that, although this specification is described according to mode of execution, but be not that each mode of execution only comprises an independently technological scheme, this narrating mode of specification only is for clarity sake, those skilled in the art should make specification as a whole, technological scheme in each mode of execution also can through appropriate combination, form other mode of executions that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description only is specifying for feasibility mode of execution of the present invention; they are not to limit protection scope of the present invention, allly do not break away from equivalent mode of execution or the change that skill spirit of the present invention does and all should be included within protection scope of the present invention.
Claims (8)
1. pneumatic adjustable damping coaxial integrated sprung shock-strut, it is characterized in that, comprise vibration damper, be positioned at the pneumatic spring of vibration damper top, the tracheae that is fixed in the pneumatic adjustable damping device on the described vibration damper sidewall and connects described pneumatic spring and pneumatic adjustable damping device, described pneumatic spring and vibration damper are that coaxial integrated is arranged.
2. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 1, it is characterized in that, described vibration damper is three core structures, comprise the adapter cavity between active chamber, shoe cream room and active chamber and the shoe cream room, described pneumatic adjustable damping device limits the Fluid Flow in A between described adapter cavity and the shoe cream room, and the top of described shoe cream room is filled with gas.
3. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 2 is characterized in that, described active chamber epicoele top is provided with some apertures, and active chamber is connected by aperture with adapter cavity.
4. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 1 is characterized in that, described pneumatic spring top is provided with upper sealing panel, between upper sealing panel and the vibration damper rubber-buffer is housed.
5. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 4, it is characterized in that, described vibration damper medial axis is provided with the piston rod that extends vibration damper top, the top that is positioned at upper sealing panel on the piston rod is provided with upper cap nut, upper cap nut is used for limiting the up limit position of upper sealing panel, the bottom of piston rod is provided with the piston valve assembly, and the bottom of described vibration damper is provided with the bottom valve assembly.
6. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 5 is characterized in that, the resilience limiting stopper also is installed on the described piston rod.
7. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 1, it is characterized in that, described pneumatic adjustable damping device comprises the hollow type shell, the end cap that is connected with shell of one side perforate, at the T of end cap inside shape bar and the spring between T shape bar and shell.
8. pneumatic adjustable damping coaxial integrated sprung shock-strut according to claim 7 is characterized in that, between described end cap and the T shape bar air chamber is arranged, and has aperture on the described end cap, and tracheae is connected with aperture, will introduce air chamber from the gas of pneumatic spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186653.9A CN103322119B (en) | 2013-05-17 | 2013-05-17 | Pneumatic damp-adjustable coaxial integrated damping brace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186653.9A CN103322119B (en) | 2013-05-17 | 2013-05-17 | Pneumatic damp-adjustable coaxial integrated damping brace |
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| CN103322119A true CN103322119A (en) | 2013-09-25 |
| CN103322119B CN103322119B (en) | 2015-06-10 |
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| CN201310186653.9A Active CN103322119B (en) | 2013-05-17 | 2013-05-17 | Pneumatic damp-adjustable coaxial integrated damping brace |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711828A (en) * | 2014-01-06 | 2014-04-09 | 浙江中兴减震器制造有限公司 | Self-adaptive three-cylinder side-turn-prevention shock absorber |
| CN103711829A (en) * | 2014-01-06 | 2014-04-09 | 浙江中兴减震器制造有限公司 | Tri-cylinder self-adaption type anti-falling shock absorber |
| CN105889390A (en) * | 2015-01-12 | 2016-08-24 | 南京农业大学 | Novel vibration damping supporting column |
| CN105927690A (en) * | 2016-06-21 | 2016-09-07 | 江苏大学 | Detachable double-cylinder type hydraulic buffer |
| CN106090111A (en) * | 2016-06-21 | 2016-11-09 | 江苏大学 | A kind of adaptive damping hydraulic vibration damper used for vehicle of band height adjusting system |
| CN107035811A (en) * | 2017-06-26 | 2017-08-11 | 吉林大学 | Load self-adapting type stroke correlation mutative damp shock absorber |
| CN113022245A (en) * | 2021-03-31 | 2021-06-25 | 东风商用车有限公司 | Gas-liquid interconnected suspension system and damping adjustment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4192881B2 (en) * | 2004-10-25 | 2008-12-10 | トヨタ自動車株式会社 | Vehicle suspension system |
| CN201636263U (en) * | 2010-04-30 | 2010-11-17 | 北京京东方光电科技有限公司 | Adjustable shock-absorbing system |
| CN102454740A (en) * | 2010-10-15 | 2012-05-16 | Y.S.S.泰国有限公司 | Shock absorber using air pressure |
| CN102705419A (en) * | 2012-06-18 | 2012-10-03 | 三一重工股份有限公司 | Air spring vibration damper and vehicle |
| CN202463502U (en) * | 2011-12-28 | 2012-10-03 | 建新赵氏集团有限公司 | Upper supporting seat of shock absorber |
-
2013
- 2013-05-17 CN CN201310186653.9A patent/CN103322119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4192881B2 (en) * | 2004-10-25 | 2008-12-10 | トヨタ自動車株式会社 | Vehicle suspension system |
| CN201636263U (en) * | 2010-04-30 | 2010-11-17 | 北京京东方光电科技有限公司 | Adjustable shock-absorbing system |
| CN102454740A (en) * | 2010-10-15 | 2012-05-16 | Y.S.S.泰国有限公司 | Shock absorber using air pressure |
| CN202463502U (en) * | 2011-12-28 | 2012-10-03 | 建新赵氏集团有限公司 | Upper supporting seat of shock absorber |
| CN102705419A (en) * | 2012-06-18 | 2012-10-03 | 三一重工股份有限公司 | Air spring vibration damper and vehicle |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711828A (en) * | 2014-01-06 | 2014-04-09 | 浙江中兴减震器制造有限公司 | Self-adaptive three-cylinder side-turn-prevention shock absorber |
| CN103711829A (en) * | 2014-01-06 | 2014-04-09 | 浙江中兴减震器制造有限公司 | Tri-cylinder self-adaption type anti-falling shock absorber |
| CN103711828B (en) * | 2014-01-06 | 2015-10-28 | 浙江中兴减震器制造有限公司 | Three anti-inclination vibration dampers of self-adapting type |
| CN103711829B (en) * | 2014-01-06 | 2016-01-20 | 浙江中兴减震器制造有限公司 | Three self-adapting type anti-dumping vibration dampers |
| CN105889390A (en) * | 2015-01-12 | 2016-08-24 | 南京农业大学 | Novel vibration damping supporting column |
| CN105927690A (en) * | 2016-06-21 | 2016-09-07 | 江苏大学 | Detachable double-cylinder type hydraulic buffer |
| CN106090111A (en) * | 2016-06-21 | 2016-11-09 | 江苏大学 | A kind of adaptive damping hydraulic vibration damper used for vehicle of band height adjusting system |
| CN105927690B (en) * | 2016-06-21 | 2018-04-03 | 江苏大学 | A kind of dismountable double-cylinder type hydraulic buffer |
| CN107035811A (en) * | 2017-06-26 | 2017-08-11 | 吉林大学 | Load self-adapting type stroke correlation mutative damp shock absorber |
| CN113022245A (en) * | 2021-03-31 | 2021-06-25 | 东风商用车有限公司 | Gas-liquid interconnected suspension system and damping adjustment method |
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| CN103322119B (en) | 2015-06-10 |
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Application publication date: 20130925 Assignee: Changzhou Xieli Auto Parts Co., Ltd. Assignor: Jiangsu University Contract record no.: 2017320000143 Denomination of invention: Pneumatic damp-adjustable coaxial integrated damping brace Granted publication date: 20150610 License type: Common License Record date: 20170608 |