CN102278404A - Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber - Google Patents
Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber Download PDFInfo
- Publication number
- CN102278404A CN102278404A CN2011102001950A CN201110200195A CN102278404A CN 102278404 A CN102278404 A CN 102278404A CN 2011102001950 A CN2011102001950 A CN 2011102001950A CN 201110200195 A CN201110200195 A CN 201110200195A CN 102278404 A CN102278404 A CN 102278404A
- Authority
- CN
- China
- Prior art keywords
- air bag
- barrier film
- dynamic stiffness
- pneumatic spring
- vehicle
- 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
Abstract
An air spring in an automotive suspension system is important to improve smoothness and comfortableness of a vehicle, protect a road and goods and limit overload. In a passive air suspension system which is currently and generally used, matching of static stiffness of the air spring and a finished vehicle is not reasonable, and individualized regulation can not be carried out, thus the sidesway phenomenon of the vehicle in operation is more serious, passengers and a driver can be dizzy and uncomfortable frequently, and comfortableness of the passengers and safe driving of the driver are seriously influenced. The invention provides a compound air spring, aiming at solving the problem. The dynamic stiffness of the air spring is regulated by virtue of an orifice on a diagram of the air spring, the dynamic stiffness of the air spring to inertia dynamic load is effectively improved, and sidesway of a vehicle body is reduced; and the dynamic stiffness of the air spring can be automatically reduced when the vehicle meets bumps on a road surface, impact of the bumps to the vehicle body is reduced, and comfortableness of the vehicle is enhanced.
Description
One, technical field:
The present invention relates to the pneumatic spring of a kind of vehicle with the passive type air suspension, it is separated into the major-minor air chamber by barrier film with air bag, and its dynamic stiffness is regulated by the fixed orifice on the barrier film; When vehicle is run into the road surface projection under steam, can also reduce its dynamic stiffness automatically, to reduce the impact of projection to vehicle body.This pneumatic spring especially is adapted to the carrying big bus, and the city bus big bus also is adapted to shipping truck and rail traffic vehicles, and the passive type airsuspension system and the hydro-pneumatic suspension system of special vehicle.
Two, background technique:
In order to improve ride of vehicle, improve the travelling comfort of taking, alleviate the damage of vehicle to road and goods, developed country has adopted pneumatic spring widely in the suspension system of its carrier vehicle.China recent years is also being widelyd popularize and mandatory employing pneumatic spring.In the pneumatic spring technology of constantly development, in order further to improve the rigidity control characteristic of pneumatic spring, more be applicable to the variation of car load in order to it, people have carried out deep exploration.In the passive type airsuspension system of generally using at present, because the anti-roll stiffness of pneumatic spring is lower, caused the vehicle side-sway phenomenon that is in operation more serious, it is dizzy and uncomfortable that occupant and driver are produced, and seriously influences occupant's travelling comfort and driver's safe driving.Cause the one of the main reasons of this phenomenon to be: the quiet rigidity of pneumatic spring can't be according to the Rational Parameters coupling and personalized adjusting of car load.It two is exactly: the dynamic stiffness of pneumatic spring can not be followed dynamic load and be regulated.
Three, summary of the invention:
Purpose of the present invention will be developed a kind of low cost exactly, and variation simple and reliable, that can follow dynamic load improves dynamic stiffness automatically, improves the vehicle anti-roll capability, reduces the vehicle side-sway; In the time of can also in vehicle driving, running into the road surface projection, reduce its dynamic stiffness automatically, reduce the impact composite air spring of projection vehicle body.
Solution of the present invention is: this diaphragm type auxiliary tank is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, by air bag 1, upper mounting plate 2, subtract towards film piece 3, lower installation board 4, connect rivet 5 and barrier film 6 combines.Be provided with barrier film 6 on the inwall of air bag 1, barrier film 6 can be one, also can be several; Barrier film 6 should have identical elasticity coefficient with air bag 1, can be made into one with air bag 1, also can separately make, and adopts gluing mode synthetic or hot sticky glue synthetic again, also can adopt the mode of mechanical connection synthetic; The mounting point of barrier film 6 and piece number can be decided according to the requirement of different automobile types, and its external diameter should be more than or equal to the internal diameter of air bag; On barrier film 6, be provided with throttling pore; The aperture of this throttling pore and quantity can be according to the requirement settings of different automobile types.Central position at barrier film 6 subtracts towards film piece 3 by having connected rivet 5 connections; Connecting rivet 5 also can be screw.
Dynamic stiffness regulating method of the present invention is: because barrier film 6 has been separated into two major-minor air chambers with air bag 1, and at barrier film 6 with subtract on film piece 3 and be provided with throttling pore, when air bag 1 is not compressed, they have been communicated with the major-minor air chamber of air bag 1, volume in the air bag 1 does not have change, and the quiet rigidity of pneumatic spring is constant; And as long as air bag 1 is compressed, just having gas flows between the major-minor air chamber of air bag 1, and at this moment, this aperture will produce vapour lock, changes the dynamic stiffness of pneumatic spring, and the dynamic stiffness of pneumatic spring is changed with the speed that air bag 1 moves.When the vehicle inertia dynamic load that is in operation increases, will compressing gasbag 1, promoting upper mounting plate 2 moves down, this moment, the gas of barrier film 6 epicoeles can flow downward, the pressure of epicoele is higher than cavity of resorption, subtract towards film piece 3 compacted being attached on the barrier film 6, gas can only be by subtracting less orifice flow on the film piece 3 to cavity of resorption; The dynamic stiffness of regulating pneumatic spring by the vapour lock that subtracts on the film piece 3 than aperture produced; Dynamic load is big more, and the speed of air bag 1 motion is just big more, and vapour lock that this aperture produces is just big more, and the dynamic stiffness of pneumatic spring just increases sooner, is beneficial to the balance dynamic load, reduces the inclination and the side-sway of vehicle.And when running into the road surface projection in the vehicle driving, meeting is compressing gasbag 1 promptly, promote to move on the lower installation board 4, at this moment, the pressure of air bag cavity of resorption can be higher than its epicoele, and this pressure can promote to subtract towards film piece 3 and upwarp, and be communicated with the upper and lower cavity of barrier film 6 by the more and bigger hole on the barrier film 6, make vapour lock drop to minimum, reduce its dynamic stiffness automatically, to reduce the impact of projection vehicle body.
The present invention is simple in structure, and is with low cost, easy for installation, and reliable performance is a kind of combined air air spring that can effectively regulate the dynamic stiffness of pneumatic spring effectively.
Four, description of drawings:
Accompanying drawing 1 is a structure principle chart of the present invention.
Five, embodiment:
The specific embodiment of the present invention is: because barrier film 6 has been separated into two major-minor air chambers with air bag 1, and at barrier film 6 with subtract on film piece 3 and be provided with throttling pore, when air bag 1 is not compressed, they have been communicated with the major-minor air chamber of air bag 1, volume in the air bag 1 does not have change, and the quiet rigidity of pneumatic spring is constant; And as long as air bag 1 is compressed, just having gas flows between the major-minor air chamber of air bag 1, and at this moment, this aperture will produce vapour lock, changes the dynamic stiffness of pneumatic spring, and the dynamic stiffness of pneumatic spring is changed with the speed that air bag 1 moves.When the vehicle inertia dynamic load that is in operation increases, will compressing gasbag 1, promoting upper mounting plate 2 moves down, this moment, the gas of barrier film 6 epicoeles can flow downward, the pressure of epicoele is higher than cavity of resorption, subtract towards film piece 3 compacted being attached on the barrier film 6, gas can only be by subtracting less orifice flow on the film piece 3 to cavity of resorption; The dynamic stiffness of regulating pneumatic spring by the vapour lock that subtracts on the film piece 3 than aperture produced; Dynamic load is big more, and the speed of air bag 1 motion is just big more, and vapour lock that this aperture produces is just big more, and the dynamic stiffness of pneumatic spring just increases sooner, is beneficial to the balance dynamic load, reduces the inclination and the side-sway of vehicle.And when running into the road surface projection in the vehicle driving, meeting is compressing gasbag 1 promptly, promote to move on the lower installation board 4, at this moment, the pressure of air bag 1 cavity of resorption can be higher than its epicoele, and this pressure can promote to subtract towards film piece 3 and upwarp, and be communicated with the upper and lower cavity of air bag 1 by the more and bigger hole on the barrier film 6, make vapour lock drop to minimum, reduce its dynamic stiffness automatically, to reduce the impact of projection vehicle body.
Claims (6)
1. a diaphragm type auxiliary tank is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, by air bag (1), upper mounting plate (2), subtract towards film piece (3), lower installation board (4), connect rivet (5) and barrier film (6) combines; It is characterized in that: be provided with barrier film (6) on the inwall of air bag (1), the external diameter of barrier film (6) should be more than or equal to the internal diameter of air bag (1); Central position at barrier film (6) subtracts towards film piece (3) by having connected rivet (5) connection; Vary in size and throttle orifice that quantity does not wait subtracting to be provided with on film piece (3) and the barrier film (6); Dynamic stiffness regulating method of the present invention is: because barrier film (6) has been separated into two major-minor air chambers with air bag (1), and at barrier film (6) with subtract on film piece (3) and be provided with throttling pore, when air bag (1) when not being compressed, they have been communicated with the major-minor air chamber of air bag (1), volume in the air bag (1) does not have change, and the quiet rigidity of pneumatic spring is constant; And as long as air bag (1) is compressed, just having gas flows between the major-minor air chamber of air bag (1), and at this moment, this aperture will produce vapour lock, changes the dynamic stiffness of pneumatic spring, and the dynamic stiffness of pneumatic spring is changed with the speed that air bag (1) moves; When the vehicle inertia dynamic load that is in operation increases, will compressing gasbag (1), promoting upper mounting plate (2) moves down, this moment, the gas of barrier film (6) epicoele can flow downward, the pressure of epicoele is higher than cavity of resorption, subtract towards film piece (3) is compacted and be attached on the barrier film (6), gas can only be by subtracting less orifice flow on the film piece (3) to cavity of resorption; The dynamic stiffness of regulating pneumatic spring by the vapour lock that subtracts on the film piece (3) than aperture produced; Dynamic load is big more, and air bag (1) movement velocity is just big more, and vapour lock that this aperture produces is just big more, and the dynamic stiffness of pneumatic spring just increases sooner, is beneficial to the balance dynamic load, reduces the inclination and the side-sway of vehicle; And when running into the road surface projection in the vehicle driving, meeting is compressing gasbag (1) promptly, promote to move on the lower installation board (4), at this moment, the pressure of air bag cavity of resorption can be higher than its epicoele, and this pressure can promote to subtract towards film piece (3) and upwarp, and be communicated with the upper and lower cavity of barrier film (6) by the more and bigger hole on the barrier film (6), make vapour lock drop to minimum, reduced the dynamic stiffness of pneumatic spring automatically, to reduce the impact of projection vehicle body.
2. a kind of diaphragm type auxiliary tank according to claim 1 is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, and it is characterized in that: barrier film (6) can with air bag (1) once-through.
3. a kind of diaphragm type auxiliary tank according to claim 1 is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, and it is characterized in that: barrier film (6) can with air bag (1) divide body formed after, adopting gluing or hot sticky gummed and mechanical connection.
4. a kind of diaphragm type auxiliary tank according to claim 1 is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, and it is characterized in that: the mounting point of barrier film (6) in air bag (1) can be determined according to the requirement of different automobile types.
5. a kind of diaphragm type auxiliary tank according to claim 1 is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, and it is characterized in that: the piece number of barrier film (6) in air bag (1) can be determined according to the requirement of different automobile types.
6. a kind of diaphragm type auxiliary tank according to claim 1 is regulated the pneumatic spring that the dynamic stiffness plus-minus dashes, and it is characterized in that: barrier film (6) and subtract go up the size and the quantity of throttle orifice towards film piece (3) can be definite according to the requirement of different automobile types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102001950A CN102278404A (en) | 2011-07-19 | 2011-07-19 | Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102001950A CN102278404A (en) | 2011-07-19 | 2011-07-19 | Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102278404A true CN102278404A (en) | 2011-12-14 |
Family
ID=45104039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102001950A Pending CN102278404A (en) | 2011-07-19 | 2011-07-19 | Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102278404A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019173A (en) * | 2013-02-28 | 2014-09-03 | 福特全球技术公司 | Rolling bellows-air spring |
| CN107143595A (en) * | 2017-06-01 | 2017-09-08 | 西安华泰博源质量检测有限公司 | A kind of buffering energy-absorbing structure with multiple energy-absorbing effect with microfiltration membranes |
| CN113623348A (en) * | 2021-08-20 | 2021-11-09 | 西南交通大学 | Air spring and railway vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU719901A2 (en) * | 1978-03-27 | 1980-03-05 | Брянский Институт Транспортного Машиностроения | Pneumatic elastic member |
| US4428569A (en) * | 1980-07-22 | 1984-01-31 | Nissan Motor Co., Ltd. | Engine mounting for automobile |
| SU1486656A1 (en) * | 1987-05-04 | 1989-06-15 | Tsni Avtomobil Avtomotor Inst | Hydraulic device for damping vibration |
| JPH11101287A (en) * | 1997-09-26 | 1999-04-13 | Toyo Tire & Rubber Co Ltd | Liquid-filled air spring |
| RU2313704C1 (en) * | 2006-06-09 | 2007-12-27 | Олег Савельевич Кочетов | Hydraulic vibration-isolating base |
| CN101603576A (en) * | 2008-06-12 | 2009-12-16 | 现代自动车株式会社 | Air-damping engine mount |
| CN202215653U (en) * | 2011-07-19 | 2012-05-09 | 杨洁 | Diaphragm-type auxiliary air chamber adjusting dynamic stiffness increasing-reducing impact air spring |
-
2011
- 2011-07-19 CN CN2011102001950A patent/CN102278404A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU719901A2 (en) * | 1978-03-27 | 1980-03-05 | Брянский Институт Транспортного Машиностроения | Pneumatic elastic member |
| US4428569A (en) * | 1980-07-22 | 1984-01-31 | Nissan Motor Co., Ltd. | Engine mounting for automobile |
| SU1486656A1 (en) * | 1987-05-04 | 1989-06-15 | Tsni Avtomobil Avtomotor Inst | Hydraulic device for damping vibration |
| JPH11101287A (en) * | 1997-09-26 | 1999-04-13 | Toyo Tire & Rubber Co Ltd | Liquid-filled air spring |
| RU2313704C1 (en) * | 2006-06-09 | 2007-12-27 | Олег Савельевич Кочетов | Hydraulic vibration-isolating base |
| CN101603576A (en) * | 2008-06-12 | 2009-12-16 | 现代自动车株式会社 | Air-damping engine mount |
| CN202215653U (en) * | 2011-07-19 | 2012-05-09 | 杨洁 | Diaphragm-type auxiliary air chamber adjusting dynamic stiffness increasing-reducing impact air spring |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019173A (en) * | 2013-02-28 | 2014-09-03 | 福特全球技术公司 | Rolling bellows-air spring |
| CN104019173B (en) * | 2013-02-28 | 2018-01-05 | 福特全球技术公司 | Rolling type bellows air spring |
| CN107143595A (en) * | 2017-06-01 | 2017-09-08 | 西安华泰博源质量检测有限公司 | A kind of buffering energy-absorbing structure with multiple energy-absorbing effect with microfiltration membranes |
| CN107143595B (en) * | 2017-06-01 | 2019-05-17 | 西安华泰博源质量检测有限公司 | A kind of buffering energy-absorbing structure with multiple energy-absorbing effect with microfiltration membranes |
| CN113623348A (en) * | 2021-08-20 | 2021-11-09 | 西南交通大学 | Air spring and railway vehicle |
| CN113623348B (en) * | 2021-08-20 | 2022-08-26 | 西南交通大学 | Air spring and railway vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102278404A (en) | Diaphragm type air spring for regulating increasing and reducing of dynamic stiffness in auxiliary air chamber | |
| CN202251614U (en) | Air spring capable of adjusting static and dynamic stiffness through punching liquid and diaphragm hole with impact reduction function | |
| CN202301701U (en) | Air spring with static stiffness adjusted by filling liquid and dynamic stiffness adjusted by diaphragm throttling hole | |
| CN102410330A (en) | Variable volume air spring capable of increasing and reducing impact by regulating static and dynamic stiffness through diaphragm hole | |
| CN202215653U (en) | Diaphragm-type auxiliary air chamber adjusting dynamic stiffness increasing-reducing impact air spring | |
| CN102330783A (en) | Air spring with functions of regulating static rigidity and dynamic rigidity by filled liquid and membrane hole and reducing impact | |
| CN202301698U (en) | Air spring with variable volume and diaphragm hole capable of adjusting dynamic and static stiffness to increase and reduce impact | |
| CN202301699U (en) | Air spring capable of adjusting static rigidity by internal container and adjusting dynamic rigidity by membrane hole | |
| CN202301696U (en) | Air spring capable of adjusting static rigidity by capacity and adjusting dynamic rigidity by auxiliary tank | |
| CN102330769A (en) | Air spring for regulating static rigidity through volume and regulating dynamic rigidity through auxiliary air chamber | |
| CN102269234A (en) | Diaphragm air spring with auxiliary air chamber for adjusting dynamic stiffness | |
| CN202251638U (en) | Composite air spring with built-in helical spring and auxiliary tank for reducing impact | |
| CN202326877U (en) | Air spring for regulating static/dynamic stiffness by virtue of filler and diaphragm hole to increase/reduce impact | |
| CN102401057A (en) | Air spring with static stiffness adjusted through capacity and dynamic stiffness adjusted through throttling | |
| CN202301697U (en) | Air spring with combination of rigidity adjustment, pressure limiting and impact reduction of auxiliary gas chamber | |
| CN202251609U (en) | Diaphragm type air spring capable of assisting air chamber to regulate dynamic stiffness | |
| CN202251610U (en) | Impact-increasing and impact-decreasing air spring for adjusting static stiffness and dynamic stiffness through container and diaphragm hole | |
| CN102392867A (en) | Air spring adjusting static stiffness and dynamic stiffness through volume and displacement and having pressure-limiting and impact-reducing functions | |
| CN202215657U (en) | Air spring with combination of built-in spiral spring and auxiliary air chamber | |
| CN102330777A (en) | Air spring with static stiffness adjusted by piston and dynamic stiffness adjusted by diaphragm throttling hole | |
| CN202170950U (en) | Air spring with functions of space-limiting buffering, pressure-limiting buffering and volume static rigidity readjusting | |
| CN202170951U (en) | Air spring with volume and displacement adjustable static/dynamic stiffness and limited pressure buffering | |
| CN102330780A (en) | Air spring capable of adjusting static and dynamic stiffness and increasing and decreasing impact by virtue of container and separator hole | |
| CN102330790A (en) | Air spring in combination with built-in helical spring and auxiliary air chamber | |
| CN202251611U (en) | Air spring utilizing fillers to adjust static stiffness and membrane throttle holes to adjust dynamic stiffness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111214 |