CN102926956B - Blade-type energy recovery shock absorber - Google Patents
Blade-type energy recovery shock absorber Download PDFInfo
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- CN102926956B CN102926956B CN201210413740.9A CN201210413740A CN102926956B CN 102926956 B CN102926956 B CN 102926956B CN 201210413740 A CN201210413740 A CN 201210413740A CN 102926956 B CN102926956 B CN 102926956B
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- blade
- shock absorber
- way valve
- hydraulic motor
- energy recovery
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a blade-type energy recovery shock absorber which utilizes a machine-electricity-fluid mixed system. The blade-type energy recovery shock absorber comprises a generator, a hydraulic motor, an energy accumulator, a hydraulic check oil way and a blade-type shock absorber assembly. By adopting the shock absorber, the linear motion between sprung mass and unsprung mass of a suspension system caused by unevenness of the ground is changed into hydraulic flow with invariable direction to drive the hydraulic motor to rotate, the hydraulic motor drives the generator to generate electricity, so that the vibration mechanical energy is converted into electric energy and recycled; the hydraulic check oil way consists of a hydraulic pipeline and a check valve system; the damping force required by the shock absorber system is mainly provided by the counter-acting force of counter electromotive force generated during operation of the generator, and active or semi-active control on the damping force of the shock absorber is realized by controlling the load of the generator. The blade-type energy recover shock absorber can be applied to a tracked vehicle in replacement of a traditional blade-type shock absorber, and is especially suitable for tracked vehicles with large electrical load. The vibration energy is recovered while the driving comfort is improved.
Description
Technical field
The present invention relates to vibration damper, particularly relate to a kind of blade-type energy recovery shock absorber for endless-track vehicle suspension system, and have the function of partial vibration energy regenerating, the active to suspension system or semi-active control can also be realized.
Background technique
When vehicle travels on road surface, road surface jolt and vehicle acceleration and deceleration, the operation such as to turn to can cause producing between spring carried mass and nonspring carried mass Relative Vibration, vibration damper with friction form by this part mechanical energy for thermal energy consumption dissipates, thus decay vehicle vibration.If these energy can be recycled, then can reduce energy consumption of vehicles, thus realize the object of energy saving.The present invention, just based on so a kind of thought, namely substitutes traditional vibration damper with the vibration damper with energy recovery function, by originally the energy regenerating that dissipates by vibration damper, realize a new energy saving way.
Existing energy vibration damper various informative of being reclaimed vibrational energy by generator, but all there is certain defect.
As Chinese patent ZL00232651.5 description is use in vibration damper by linear electric motor, straight line motion mechanical energy is directly changed into electric energy or electric energy is directly changed into straight line motion mechanical energy, and without any need for the transmission device of intermediate conversion mechanism, recovery section energy while road shock being offset.Its shortcoming is that linear electric motor are large compared with the Magnetic leakage flux of electric rotating machine, and damping force is little, can not be applicable to heavy vehicle; Its electrical properties such as power factor and efficiency is lower, and energy recovery efficiency is general; The supporting structure of linear electric motor vibration damper is complicated and easily lost efficacy, and structural reliability is general; Linear electric motor expensive, supporting structure is complicated, and manufacture cost is high.
What Chinese patent ZL02203432.3 described is in conventional suspension systems, added a set crank link structure, the up-down vibration of wheel is transformed into the rotary motion of motor.What Chinese patent ZL200620090847.4 described is replace vibration damper with motor and pinion and rack, and be fixed on spring carried mass with linkage mechanism by dynamoelectric machine, tooth bar is connected directly between on nonspring carried mass, and gear is connected with dynamoelectric machine rotor.After wheel and rack engagement, dynamoelectric machine and pinion and rack entirety form the energy regenerative element of energy regenerative suspension.These two technology are automobile and produce a double vibrations, and this device only picks up the energy of about half, because there be the member reset of time for device of half, energy recovery efficiency is low; And the device volume of above-mentioned two technology and quality all larger, difficult during installation.
What China Patent Publication No. 1626370A described is adopt ball screw framework, the translate linear motion between spring carried mass with nonspring carried mass is become the rotation of rotor.Motor and ball screw framework form energy regenerative element, by the Energy transfer of recovery to charging circuit and battery.In vehicle travel process, power feeding shock absorber is upheld and compression movement with Uneven road, ball nut makes upward-downward translation vertically, ball screw and rotor is driven to do positive and negative rotation, motor works in electronic or braking state according to control command, thus active buffer and decay by Uneven road cause and conducted to the shock and vibration of vehicle body by wheel, and recovered energy.Translate linear motion is the energy-recuperation system of rotation with mechanical device by pinion and-rack or Ball screw type etc., and shortcoming is the impact by power train internal void, and the frequency response function of system to high-frequency signal is non-vanishing.As Ball screw type in low-frequency range and ground excitation amplitude large time, its energy recovery efficiency and suspension performance better; And when system frequency is higher, its suspension performance, also cannot recovered energy not as good as passive suspension, cause entire system efficiency lower.
Be in the technology of rotating above by translate linear motion, motor and transmission system are all solid-state connections, this causes motor can constantly change sense of rotation along with system vibration and motor speed is by the circulation of 0-> acceleration-> deceleration-> motor speed 0 repeatedly, and generation in a large number " inertia loss ".This not only can shorten the generator life-span greatly, also can make generator in whole vibration processes, only have little time or have no time to generate electricity completely, causing whole energy regenerative ineffective systems, to such an extent as to can not be applicable to practical application.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of be applied to endless-track vehicle efficient, be convenient to install, be convenient to safeguard, the blade-type energy recovery shock absorber of severe road conditions can be adapted to.
The present invention solves its technical problem and adopts following technological scheme:
Blade-type energy recovery shock absorber provided by the invention is based on conventional track vehicle vane damper, additional a set of energy recovery mechanism, to improve the fuel economy of endless-track vehicle and to drive smoothness.Described energy recovery mechanism comprises generator, oil hydraulic motor, bladder accumulator, mechanical energy-storage device and hydraulic circuit system, wherein: generator is connected with oil hydraulic motor by coupling; Hydraulic circuit system is located at the inside of the dividing plate in vibration damper, and it is made up of hydraulic pipe line and one-way valve system; Between the oil outlet that bladder accumulator is arranged in vibration damper shell and oil hydraulic motor; Between the oil outlet that mechanical energy-storage device is arranged in vibration damper shell and oil hydraulic motor.
Described one-way valve system can have four one-way valves at least, wherein: the outlet end of the first one-way valve is connected with the outlet end of the second one-way valve, the entrance point of the second one-way valve is connected with the outlet end of the 3rd one-way valve, the entrance point of the 3rd one-way valve is connected with the entrance point of the 4th one-way valve, and the outlet end of the 4th one-way valve is connected with the entrance point of the first one-way valve.
Described first one-way valve can be connected with the filler opening of oil hydraulic motor with the second one-way valve; Described 3rd one-way valve can be connected with the oil outlet of oil hydraulic motor with the 4th one-way valve.
Described four one-way valves all can adopt steel ball to add location spring structure.
Described energy recovery mechanism at least also has three seal arrangements for preventing leakage, wherein: the first seal arrangement is located between vibration damper shell and blade; Second seal arrangement is located between dividing plate and sharf; 3rd seal arrangement is located between sharf and dividing plate.
Described three seal arrangements are oil-sealing arrangement.
Described mechanical energy-storage device can be made up of piston and spring, and the adjustable mechanical energy-storage device of initial pressure.
Described generator can be rare-earth permanent magnet brushless generator.
Described oil hydraulic motor can be axial-piston hydraulic motor.
Above-mentioned blade-type energy recovery shock absorber provided by the invention, its application in endless-track vehicle suspension system.When endless-track vehicle travels, its road surface jolt and comprise the acceleration and deceleration of vehicle, energy that steering operation can cause producing between suspension system spring carried mass and nonspring carried mass Relative Vibration, substitute traditional vane damper realization to the active of described suspension system or semi-active control by described blade-type energy recovery shock absorber, and damping force is provided and recycles this energy.
Damping force needed for this blade-type energy recovery shock absorber provides primarily of the reaction force of the counterelectromotive force produced during generator operation, by controlling generator loading realization to the active of described damping force or semi-active control, and drive oil hydraulic motor to rotate with the flow of pressurized that the translate linear motion between nonspring carried mass becomes direction constant the suspension system spring carried mass caused by ground injustice, generated electricity by oil hydraulic motor drive electrical generators, thus vibration mechanical energy is converted into electric energy is recycled.
The present invention compared with prior art has following main advantage:
One. fully can recycle the energy that endless-track vehicle vibration produces.
The hybrid system of employing machine-electricity-liquid, utilize the flexibility of hydraulic system and the high efficiency of electromagnetic system, the energy that vehicle produces due to vibration is in the process of moving reclaimed, the sustainable generating of generator in working procedure, can not produce reversal phenomenon, energy recovery efficiency is higher.
They are two years old. and structure is simple, and component are less, can reequip, realize energy-saving and emission-reduction under the condition not changing original vane damper installing space.
They are three years old. by controlling generator loading realization to the active of absorber damping force or semi-active control, improve driving comfortability.
Accompanying drawing explanation
Fig. 1 is basic principle figure of the present invention.
Fig. 2 is structural representation of the present invention.
In figure: 1. generator; 2. coupling; 3. oil hydraulic motor; 4. bladder accumulator; 5. blade; 6. vibration damper shell; 7. the first one-way valve; 8. the second one-way valve; 9. dividing plate; 10. link arm; 11. link arm articulating points; 12. mechanical energy-storage devices; 13. sharfs; 14. the 3rd one-way valves; 15. the 4th one-way valves; 16. oil sealings; 17. Oil Guide dishes; 18. hydraulic motor plungers; 19. oil hydraulic motor swash plates; 20. hydraulic circuit systems; 21. filler openings; 22. oil outlets.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the invention will be further described, but be not limited to described content below.
Blade-type energy recovery shock absorber provided by the invention, based on conventional track vehicle vane damper, additional a set of energy recovery mechanism, can under the prerequisite not changing former vehicle structure, increase energy feedback function and damping force controlling functions, to improve the fuel economy of endless-track vehicle and to drive smoothness.
Described energy recovery mechanism as depicted in figs. 1 and 2, comprises generator 1, oil hydraulic motor 3, hydraulic circuit system 20, bladder accumulator 4, mechanical energy-storage device 12.The suspension system spring carried mass caused by ground injustice can drive oil hydraulic motor 3 to rotate with the flow of pressurized that the translate linear motion between nonspring carried mass becomes direction constant by this special endless-track vehicle vibration damper, generated electricity by oil hydraulic motor 3 drive electrical generators 1, thus vibration mechanical energy is converted into electric energy is recycled.Hydraulic circuit system 20 is made up of hydraulic pipe line and one-way valve system, and the dividing plate 9 that they are located in vibration damper shell 6 is inner; One-way valve system is connected to oil hydraulic motor 3 by hydraulic pipe line.The reaction force of the counterelectromotive force produced when the damping force needed for this vibration damper works primarily of generator 1 provides, and by controlling generator 1 load realization to the active of described damping force or semi-active control.Bladder accumulator 4 is arranged between the oil outlet of vibration damper shell 6 and oil hydraulic motor 3, and mechanical energy-storage device 12 is arranged between the oil outlet of vibration damper shell 6 and oil hydraulic motor 3.
Described generator 1 can adopt rare-earth permanent magnet brushless generator.
Described oil hydraulic motor 3 is an axial-piston hydraulic motor, and it is connected with generator 1 by coupling 2.This oil hydraulic motor is provided with Oil Guide dish 17, hydraulic motor plunger 18 and oil hydraulic motor swash plate 19.
Described vibration damper shell 6 is provided with the filler opening 21 and oil outlet 22 that mate with Oil Guide dish 17, and vibration damper shell 6 and Oil Guide dish 17 are tightly connected by bolt and seal ring mode.
Described one-way valve system, at least containing four one-way valves, all adopts steel ball to add location spring structure.Wherein: the outlet end of the first one-way valve 7 is connected with the outlet end of the second one-way valve 8, and is connected to one end of described oil hydraulic motor 3; The entrance point of the second one-way valve 8 is connected with the outlet end of the 3rd one-way valve 14.The entrance point of the 3rd one-way valve 14 is connected with the entrance point of the 4th one-way valve 15, and is connected to the other end of described oil hydraulic motor 3.The outlet end of the 4th one-way valve 15 is connected with the entrance point of the first one-way valve 7.
Described vane damper is made up of blade 5, vibration damper shell 6, dividing plate 9 and the sharf 13 that is connected with blade 5.In order to prevent leakage, between blade 5 and vibration damper shell 6, being provided with a seal arrangement, between sharf 13 and dividing plate 9, being provided with two seal arrangements.Described seal arrangement is oil sealing 16.One end of sharf 13 is connected with one end of link arm 10, and the other end of this link arm is connected with vehicle body by link arm articulating point 11.
Described accumulator is made up of two accumulators, wherein: the first accumulator is bladder accumulator 4, is placed between the oil outlet end 21 of vibration damper shell 6 and oil hydraulic motor 3 filler opening.Second accumulator is mechanical energy-storage device 12, is made up of and initial pressure is adjustable piston and spring, is placed between the filler opening end 22 of vibration damper shell 6 and oil hydraulic motor 3 oil outlet.These two equal accessible site of accumulator are on vibration damper shell 6.
Described conventional track vehicle vane damper, its structure is: be provided with blade 5, vibration damper shell 6, dividing plate 9, link arm 10., link arm articulating point 11 and sharf 13 etc.
Working procedure of the present invention is: when vibrating in vehicle travel process, link arm 10 is with moving vane 5 to do crankmotion, when blade 5 do rotate counterclockwise as illustrated by the arrows in fig. 1 time, in Fig. 1 is hyperbaric chamber near two of the second one-way valve 8 and the 3rd one-way valve 14 larger fan-shaped chambeies, and be low-pressure cavity near two of the first one-way valve 7 and the 4th one-way valve 15 less fan-shaped chambeies, each chamber reaches pressure balance by interconnective hydraulic pipe line.Under the effect of hydraulic fluid pressure, second one-way valve 8 and the 4th one-way valve 15 are opened, and the first one-way valve 7 and the 3rd one-way valve 14 are closed, hydraulic oil rotates through the second one-way valve 8 and first order accumulator and bladder accumulator 4 rectifying and wave-filtering rear driving oil hydraulic motor 3, oil hydraulic motor 3 drive electrical generators 1 generates electricity, the reaction force produced when generator 1 works makes oil hydraulic motor 3 opposing hydraulic oil produce damping function, hydraulic oil by after oil hydraulic motor 3 through second level accumulator and mechanical energy-storage device 12 supercharging, then return two low-pressure cavity by the 4th one-way valve 15; And when link arm 10 is with moving vane 5 to rotate clockwise, two less fan-shaped chambeies are hyperbaric chamber, and two larger fan-shaped chambeies are low-pressure cavity, now the first one-way valve 7 and the 3rd one-way valve 14 are opened, and the second one-way valve 8 and the 4th one-way valve 15 are closed, form hydraulic pressure non-return oil circuit, hydraulic oil is flowed out by the first one-way valve 7, returned by the 3rd one-way valve 14, similar when its working method and blade 5 are rotated counterclockwise.Bottom axial-piston hydraulic motor, have oil-feed and oil extraction window, go out oiler be connected with two of hydraulic pressure non-return oil circuit, therefore, no matter rotation blade 5 is clockwise or when rotating counterclockwise, the liquid flow path direction through oil hydraulic motor 3 all can not change.
Claims (8)
1. a blade-type energy recovery shock absorber, it is characterized in that based on the conventional track vehicle vane damper being provided with blade (5), vibration damper shell (6), dividing plate (9), link arm (10), link arm articulating point (11) and sharf (13), additional a set of energy recovery mechanism, to improve the fuel economy of endless-track vehicle and to drive smoothness; Described energy recovery mechanism comprises generator (1), oil hydraulic motor (3), bladder accumulator (4), mechanical energy-storage device (12) and hydraulic circuit system (20), wherein: generator (1) is connected with oil hydraulic motor (3) by coupling; Hydraulic circuit system (20) is located at the inside of the dividing plate (9) in vibration damper, and it is made up of hydraulic pipe line and one-way valve system; Bladder accumulator (4) is arranged between the oil outlet of vibration damper shell (6) and oil hydraulic motor (3); Mechanical energy-storage device (12) is arranged between the filler opening of vibration damper shell (6) and oil hydraulic motor (3); Described one-way valve system has four one-way valves at least, wherein: the outlet end of the first one-way valve (7) is connected with the outlet end of the second one-way valve (8), the entrance point of the second one-way valve (8) is connected with the outlet end of the 3rd one-way valve (14), the entrance point of the 3rd one-way valve (14) is connected with the entrance point of the 4th one-way valve (15), and the outlet end of the 4th one-way valve (15) is connected with the entrance point of the first one-way valve (7); Described first one-way valve (7) is connected with the filler opening of the second one-way valve (8) with oil hydraulic motor (3); Described 3rd one-way valve (14) is connected with the oil outlet of oil hydraulic motor (3) with the 4th one-way valve (15).
2. blade-type energy recovery shock absorber according to claim 1, is characterized in that described four one-way valves all adopt steel ball to add location spring structure.
3. blade-type energy recovery shock absorber according to claim 1, it is characterized in that described energy recovery mechanism at least also has three seal arrangements (16) for preventing leakage, wherein: the first seal arrangement is located between vibration damper shell (6) and blade (5); Second seal arrangement is located between dividing plate (9) and sharf (13); 3rd seal arrangement is located between sharf (13) and dividing plate (9).
4. blade-type energy recovery shock absorber according to claim 3, is characterized in that described three seal arrangements (16) are oil-sealing arrangement.
5. blade-type energy recovery shock absorber according to claim 1, is characterized in that described mechanical energy-storage device (12) is made up of piston and spring and the adjustable mechanical energy-storage device of initial pressure.
6. blade-type energy recovery shock absorber according to claim 1, is characterized in that described generator (1) is for rare-earth permanent magnet brushless generator; Described oil hydraulic motor (3) is axial-piston hydraulic motor.
7. the application of blade-type energy recovery shock absorber described in arbitrary claim in claim 1 to 6, it is characterized in that the application of this blade-type energy recovery shock absorber in endless-track vehicle suspension system, when endless-track vehicle travels, its jolting and comprising the acceleration and deceleration of vehicle on road surface, steering operation can cause the energy producing Relative Vibration between suspension system spring carried mass and nonspring carried mass, traditional vane damper realization is substituted to the active of described suspension system or semi-active control by described blade-type energy recovery shock absorber, and damping force is provided and recycles this energy.
8. the application of blade-type energy recovery shock absorber according to claim 7, the reaction force of the counterelectromotive force that the damping force that it is characterized in that being needed for this vibration damper produces when working primarily of generator (1) provides, by controlling generator (1) load realization to the active of described damping force or semi-active control, and drive oil hydraulic motor (3) to rotate by by ground uneven the suspension system spring carried mass caused and the flow of pressurized that the translate linear motion between nonspring carried mass becomes direction constant, generated electricity by oil hydraulic motor (3) drive electrical generators (1), thus vibration mechanical energy is converted into electric energy is recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210413740.9A CN102926956B (en) | 2012-10-26 | 2012-10-26 | Blade-type energy recovery shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413740.9A CN102926956B (en) | 2012-10-26 | 2012-10-26 | Blade-type energy recovery shock absorber |
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| CN102926956A CN102926956A (en) | 2013-02-13 |
| CN102926956B true CN102926956B (en) | 2015-02-04 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423360B (en) * | 2013-08-12 | 2015-08-05 | 江苏大学 | A kind of Double-impeller type energy-saving vibration-reduction device |
| CN103423370A (en) * | 2013-08-19 | 2013-12-04 | 苏州市胜能弹簧五金制品有限公司 | 360-degree spherical multidirectional buffer |
| CN103557263B (en) * | 2013-10-09 | 2015-09-09 | 北京理工大学 | The vane damper that damping characteristic is relevant to displacement |
| CN105201738A (en) * | 2015-09-30 | 2015-12-30 | 重庆工商大学 | Motor-type hydraulic power generation device |
| CN109723615B (en) * | 2018-11-13 | 2022-12-06 | 中国北方车辆研究所 | Energy recovery device for vehicle |
| CN110667364B (en) * | 2019-09-18 | 2024-05-14 | 阿尔特汽车技术股份有限公司 | Suspension system with energy recovery device |
| CN112096775B (en) * | 2020-09-23 | 2021-09-03 | 同济大学 | Constant-pressure piston type particle damper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370926A (en) * | 2002-02-01 | 2002-09-25 | 张玉森 | Electrically driven vehicle device to collecting vibration-reducing energy and converting inti electric energy and its method |
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| US20110309636A1 (en) * | 2009-09-28 | 2011-12-22 | Rassoul Mollaie | Urgency generator and machine charging system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370926A (en) * | 2002-02-01 | 2002-09-25 | 张玉森 | Electrically driven vehicle device to collecting vibration-reducing energy and converting inti electric energy and its method |
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