CN202883876U - Integrated absorber device - Google Patents
Integrated absorber device Download PDFInfo
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- CN202883876U CN202883876U CN 201220565574 CN201220565574U CN202883876U CN 202883876 U CN202883876 U CN 202883876U CN 201220565574 CN201220565574 CN 201220565574 CN 201220565574 U CN201220565574 U CN 201220565574U CN 202883876 U CN202883876 U CN 202883876U
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- container
- chamber
- damping
- inerter
- valve
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Abstract
The utility model discloses an integrated absorber device, in particular to the integrated absorber device used in a vehicle suspension system, wherein an inerter container is connected with a damping in coaxial series. A working chamber of the inerter container is arranged on a piston rod of a traditional damping absorber in a coaxial and integrated mode, the portion of the piston rod is designed into a screw rod structure, wherein the portion is located in the working chamber of the inerter container,. A structural principle of a ball screw is applied, a ball screw nut is arranged on the screw rod inside the working chamber of the inerter container, a flywheel is fixedly installed on the ball screw nut in a coaxial mode, the ball screw nut is limited in the middle portion of the screw rod by the working chamber of the inerter container, and the ball screw nut can only rotate around the screw rod. Through the structure, the function of the inerter container is achieved, at the same time, an electromechanical analog theory is combined to achieve an effect that the inerter container and the damping are in series connection. Through an integrated design, the arrangement problem of the inerter container inside a vehicle suspension can be effectively resolved, and the integrated absorber device is convenient to apply in the filed of automobile engineering.
Description
Technical field
The utility model relates to a kind of damper means, refers in particular to be used to container and the coaxial integral type damper means of connecting of damping for vehicle suspension.
Background technique
Have these characteristics of identical form according to mechanical system with the corresponding mathematical model (namely describing the differential equation or the transfer function of their dynamic characteristic) of circuitry under the harmonic excitation condition, it is theoretical once to propose in history the different electromechanical analogy of two classes.First kind electromechanical analogy is similar to voltage with power, speed is similar to electric current to be the basis, quality, damping and the spring element of setting up mechanical system be the simulative relation corresponding with inductance, resistance and the capacity cell of circuitry respectively, and draws thus the concept of " mechanical impedance "; The concept of Equations of The Second Kind electromechanical analogy and " mechanical admittance " is similar to electric current with power, speed is similar to voltage to be the basis, and quality, damping and the spring element of setting up mechanical system be the simulative relation corresponding with electric capacity, resistance and the inductance element of circuitry respectively.Because the convenience on using, what mainly adopt now is that the Equations of The Second Kind electromechanical analogy is theoretical.
In actual application, it is found that the mass elements in the mechanical system, according to the definition of newton's second law of motion, its acceleration must be basis (this just illustrates that mass elements belongs to single-ended some element) with inertial coordinate.These characteristics all have two independences, end points (namely two end points all are not subjected to the restriction of specific reference system) freely so that mass elements is different from other elements, have caused the non-correspondence of mechanical network and circuit network.Thereby the electromechanical analogy theory is received great restriction in utilization.
For this phenomenon, a kind of mechanical device of being used to container by name arises at the historic moment.Spring in mechanical system is the same with damper, this device need to be not reference system with inertial coordinate, is a kind of real two-end-point element, the stressed acceleration that is proportional to respective ends at its two ends, its proportionality constant is called " being used to the matter coefficient ", and unit is kilogram.Because being used to container, to have implementation method various, and can reach larger inertial mass with less quality, and the characteristics such as space flexible arrangement, now to have studied for vehicle suspension, train suspension and constructure shakeproof system, the performance of result display system is significantly improved.
In new electromechanical analogy theory, replace traditional mass elements by adopting this device, so that the strict equity of the element of simulation mutually in machinery and the circuitry, thereby solved a difficult problem in the theoretical utilization of electromechanical analogy.This device can be widely used in the vibration isolation technique field, such as directions such as vehicle suspension, train suspension, constructure shakeproof and the vibrations of absorption dynamic power machine.
The kinetic equations of being used to container is
, wherein
FExpression be applied to power on the two-end-point,
bThe expression be used to matter coefficient (its unit is kg),
With
The acceleration of expression two-end-point, being used to the matter coefficient can be calculated by the rotary inertia of the concrete structure of being used to container and flywheel.
Can find out by the kinetic equations of being used to container, be used to container in the physical sense, have the effect that realizes larger inertial mass (virtual mass) with less entity quality.These characteristics are applied to vehicle suspension design, can play when improving the suspension spring carried mass and don't increase the effect of vehicle body deadweight, thereby improve a series of performances such as vehicle ride comfort, travelling comfort and stability.
Being used to container is passive mechanical device, and its implementation is various.In the vehicle suspension application facet, the layout of being used to container need to overcome many engineering problem, such as, can the space working stroke less, that be used to container and damping of container arrangement be limited for being used in the chassis, automotive light weight technology demand etc.
Be used to the restriction of container in vehicle suspension is used in order to overcome, consider and also be difficult in the practical application by the electromechanical analogy theory, complicated machinery network (by any a plurality of springs, damping and be used to the mechanical network that container component forms) is arranged in the vehicle suspension, so should adopt as much as possible in actual applications comparatively simple structure.Simultaneously, the layout of bearing spring has larger flexibility in Vehicle Engineering is used, so can put aside in the absorber designing spring is set.
In mechanical component, ball-screw apparatus can convert moving around axial-rotation of screw mandrel the straight line motion vertically of ball-screw nut to, also the axial linear movement of screw mandrel can be converted to rotatablely moving of ball-screw nut, namely screw mandrel and ball-screw nut all can be used as driving link or driven member.This structural feature is for realizing that being used to container function plays a key effect.
Summary of the invention
The utility model is designed a kind of container and coaxial integral type damper means of connecting of damping be used to, and will be used to container and apply to suspension design, to improve the combination property of vehicle; By being used to the coaxial serial fashion of container and damping, not only can overcome the less and limited shortcoming of working stroke of mechanical component arrangement space in the vehicle chassis, and so that this device element is convenient to manufacturing and application in Vehicle Engineering.
In order to solve its technical problem, the technological scheme that the utility model adopts is: theoretical by electromechanical analogy, and adopt and be used to mode that container and damping directly connect so that this structural configuration simple possible is convenient to realize in vehicle suspension.Simultaneously, use the structural feature of ball-screw apparatus, coaxial fixedly flywheel on ball-screw nut is used to container function with the ball-screw nut rotary limited with realization.
Its concrete structure comprises is used to container work chamber and damping active chamber, described container work chamber and the described damping active chamber be used to is coaxial integrated structure up and down, both share a piston rod, described container work chamber 1 and the described damping active chamber be used to is take described piston rod as symmetry axis, it is screw structure that described piston rod is positioned at described part of being used to the container work chamber, ball-screw nut and described screw structure are coupled and are used in the container work chamber in described, it is screw-thread fit between the screw structure of ball-screw nut and piston rod, flywheel is coaxial to be fixed on the described ball-screw nut, ball screw nut only wire winding rod structure rotatablely moves within being used to the container work chamber, and flywheel together rotatablely moves with ball-screw nut; The damping active chamber adopts a kind of damping structure, the damping structure of described damping active chamber is: piston links to each other with described piston-rod lower end, the piston top of described damping active chamber is for restoring the chamber, the piston bottom of described damping active chamber is compression chamber, be provided with rebuilt valve and flowing valve on the described piston, rebuilt valve and flowing valve switch restore being communicated with between chamber and the compression chamber, be provided with compression valve and recuperation valve on the bottom valve, the cavity of described damping active chamber is double layer construction, be the compensated chamber between two-layer, described bottom valve is connected with the compensated chamber.
The invention has the beneficial effects as follows: will be used to this mechanical device of container and apply in the vehicle suspension design, and when not improving the vehicle body deadweight, realize increasing " empty inertia " effect of spring carried mass, and then can improve run smoothness and the control stability of vehicle; Theoretical in conjunction with electromechanical analogy, in Vehicle Engineering is used, adopt comparatively feasible also be easy to realize be used to the structure that container and damping are directly connected, avoided complicated mechanical network combined process; By being used to the coaxial integral structure design of connecting of container and damping, can overcome the narrow limitation of arrangement space in the vehicle chassis, also be convenient to the Manufacture and application at Vehicle Engineering.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and the specific embodiments.
Fig. 1 is a kind of schematic representation of being used to the integral type damper means that container connects with damping.
Among the figure, 1. be used to the container work chamber, 2. screw structure, 3. ball-screw nut, 4. flywheel, 5. piston rod 6. restores the chamber, 7. flowing valve, 8. rebuilt valve, 9. recuperation valve, 10. piston, 11. compensated chambers, 12. compression valve, 13. damping active chambers, 14. compression chambers, 15. bottom valves.
Embodiment
Figure 1 shows that a kind of integral type damper means that container is connected with damping of being used to, its concrete structure comprises the integrated arrangement that links to each other up and down, be used to container work chamber 1 and damping active chamber 13 take piston rod 5 as symmetry axis, being used to container work chamber 1 and damping active chamber 13 is two end points of this integral type damper structure, such design form is convenient to directly use as accessory in vehicle suspension so that this integral structure has realized being used to container and the coaxial effect of connecting of damping.
Piston rod 5 within being used to container work chamber 1 is screw structure 2, ball-screw nut 3 is coupled within being used to container work chamber 1 with screw structure 2, ball-screw nut 3 is limited in to be used in the container work chamber 1, and only can rotatablely move by wrapping wire bumper structure 2, flywheel 4 coaxial being fixed on the ball-screw nut 3, along with the axial linear movement of piston rod 5, drive the ball-screw nut 3 and flywheel 4 rotations that are fixed as one, such structural design just plays the function of being used to container.
Piston 10 in the damping active chamber 13 links to each other with piston rod 5, the top of piston 10 is for restoring chamber 8, the bottom is compression chamber 14, rebuilt valve 8 and flowing valve 7 are set on the piston 10, compression valve 12 and recuperation valve 9 are set on the bottom valve 15, bottom valve 15 links with compensated chamber 11, consists of a cartridge type beidirectional damper structure; In addition, the damping active chamber can also adopt other comparatively ripe at present Damped Structures in actual applications.
The utility model adopts ball screw arrangement in for the design of being used to container work chamber 1, by the axial translation of restriction ball-screw nut 3, and flywheel 4 is fixed on the ball-screw nut 3, thereby realizes being used to container function.For making things convenient for the application of electromechanical analogy theory in vehicle suspension, the utility model adopts structural type comparatively simply to be used to container and the damping form of directly connecting, and be considered as two end points by being used to container work chamber 1 and damping active chamber 13, and the design method that shares a piston rod 5 realizes being used to the effect of connecting of container and damping.
This device the specific works process be: at first will be used to the end points that container work chamber 1 is considered as this device, damping active chamber 13 will be considered as another end points; In the course of the work, two-end-point compresses (or stretching) motion, by ball screw arrangement, produces rotatablely moving of wrapping wire bumper structure 2 so that be limited in the ball-screw nut 3 of being used in the container work chamber 1, and flywheel driven 4 rotations, this process process has namely realized being used to the function of container; Piston rod 5 promotes 10 motions of (or stretching) piston simultaneously, realizes being used in this course the working effect that container is connected with damping synchronous.
The utility model will be used to structure of container and apply in the middle of the design of vehicle suspension, can effectively improve the service behaviour of traditional passive suspension, when realization is used to container and damping is connected, be convenient to layout and application in vehicle chassis by integral type design, be conducive to the Design and manufacture of Vehicle Engineering.By the electromechanical analogy theory mechanical network structure is done the improvement of further parameter, so that this device can approach or reach the service behaviour of semi-active suspension and Active suspension, and then save half initiatively and the process that designs of Active suspension electric controller.In a word, this device has simple and reasonable, arrangement convenience, the high and low characteristics of energy consumption of reliability.
Claims (3)
1. integral type damper means, comprise and be used to container work chamber (1) and damping active chamber (13), described container work chamber (1) and the described damping active chamber (13) be used to is coaxial integrated structure up and down, both share a piston rod (5), described container work chamber (1) and the described damping active chamber (13) be used to is take described piston rod (5) as symmetry axis, it is screw structure (2) that described piston rod (5) is positioned at described part of being used to container work chamber (1), the top of ball-screw nut (3) and described screw structure (2) is coupled and is used in the container work chamber (1) in described, and flywheel (4) is coaxial to be fixed on described ball wire
On the thick stick nut (3), damping active chamber (13) adopts a kind of damping structure.
2. integral type damper means according to claim 1, it is characterized in that: the damping structure of described damping active chamber (13) is: piston (10) links to each other with described piston rod (5) lower end, the piston of described damping active chamber (10) top is for restoring chamber (6), the piston of described damping active chamber (10) bottom is compression chamber (14), be provided with rebuilt valve (8) and flowing valve (7) on the described piston (10), rebuilt valve (8) and flowing valve (7) switch restore being communicated with between chamber (6) and the compression chamber (14), be provided with compression valve (12) and recuperation valve (9) on the bottom valve (15), the cavity of described damping active chamber (13) is double layer construction, be compensated chamber (11) between two-layer, described bottom valve (15) is connected with compensated chamber (11).
3. integral type damper means according to claim 1 and 2 is characterized in that: be screw-thread fit between the described screw structure (2) of described ball-screw nut (3) and described piston rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220565574 CN202883876U (en) | 2012-10-31 | 2012-10-31 | Integrated absorber device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220565574 CN202883876U (en) | 2012-10-31 | 2012-10-31 | Integrated absorber device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883876U true CN202883876U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220565574 Expired - Fee Related CN202883876U (en) | 2012-10-31 | 2012-10-31 | Integrated absorber device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303085A (en) * | 2013-06-14 | 2013-09-18 | 江苏大学 | Vehicle passive suspension structure employing inertial container |
| CN104309438A (en) * | 2014-10-20 | 2015-01-28 | 江苏大学 | Vehicle suspension with multiple working conditions |
| CN107151978A (en) * | 2017-06-08 | 2017-09-12 | 重庆工商职业学院 | Bridge vibration damping holder |
| CN109466257A (en) * | 2018-10-29 | 2019-03-15 | 江苏大学 | A kind of caravan trailer ball-hook attachment device |
| CN113738813A (en) * | 2021-11-03 | 2021-12-03 | 杭州斯诺康技术有限公司 | Spring buffer type new energy automobile damping device |
-
2012
- 2012-10-31 CN CN 201220565574 patent/CN202883876U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303085A (en) * | 2013-06-14 | 2013-09-18 | 江苏大学 | Vehicle passive suspension structure employing inertial container |
| CN104309438A (en) * | 2014-10-20 | 2015-01-28 | 江苏大学 | Vehicle suspension with multiple working conditions |
| CN104309438B (en) * | 2014-10-20 | 2016-07-20 | 江苏大学 | A kind of multi-state vehicle suspension |
| CN107151978A (en) * | 2017-06-08 | 2017-09-12 | 重庆工商职业学院 | Bridge vibration damping holder |
| CN107151978B (en) * | 2017-06-08 | 2023-04-28 | 重庆工商职业学院 | Bridge vibration reduction support |
| CN109466257A (en) * | 2018-10-29 | 2019-03-15 | 江苏大学 | A kind of caravan trailer ball-hook attachment device |
| CN113738813A (en) * | 2021-11-03 | 2021-12-03 | 杭州斯诺康技术有限公司 | Spring buffer type new energy automobile damping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |