CN101709760B - Variable inertial mass hydraulic damper - Google Patents
Variable inertial mass hydraulic damper Download PDFInfo
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- CN101709760B CN101709760B CN2009102509284A CN200910250928A CN101709760B CN 101709760 B CN101709760 B CN 101709760B CN 2009102509284 A CN2009102509284 A CN 2009102509284A CN 200910250928 A CN200910250928 A CN 200910250928A CN 101709760 B CN101709760 B CN 101709760B
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- oil hydraulic
- oil
- hydraulic cylinder
- hydraulic motor
- inertial mass
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Abstract
The invention discloses a variable inertial mass hydraulic damper comprising a first vibration acting end (1), a valve (2), a second vibration acting end (3), a hydraulic cylinder (4), a flowmeter (5), a hydraulic motor (6), a flying wheel (7) and an electro-hydraulic adjusting valve (8), wherein the first vibration acting end (1) is connected with a piston rod of the hydraulic cylinder (4); the shell of the hydraulic cylinder (4) is connected with the second vibration acting end (3); two ends of the hydraulic motor (6) are connected with two ends of the hydraulic cylinder (4) to form a structure that the hydraulic cylinder (4), the hydraulic motor (6) and the electro-hydraulic adjusting valve (8) are connected in parallel; the valve (2) is arranged on a hydraulic pipeline; the flowmeter (5) is arranged on a hydraulic pipeline of the hydraulic motor (6); and the flying wheel (7) is connected with the output end of the hydraulic motor (6). The variable inertial mass hydraulic damper has simple structure, light weight, power energy source saving, low heating amount and favorable damping performance.
Description
Technical field
The present invention relates to a kind of vibration damper, relate in particular to half variable active dydraulic shock absorber of a kind of inertial mass.
Background technique
Semi-active damper is a kind of common vibration damper, according to different oscillating signals, regulates the vibration parameters of vibration damper by importing a spot of control energy, thereby realizes the purpose of vibration damping.Vibration parameters adjustable in the present semi-active damper mainly comprises rigidity and/or damping parameter.For example, Chinese patent 200510050430.5 discloses a kind of dydraulic shock absorber of Adjustable Damping, and according to different vibrational excitation signals, the damping characteristic of regulating vibration damper is to reach the effect of vibration damping.Chinese patent 200720073828 discloses a kind of vibration damper that becomes rigidity, comes vibration damping by the stiffness characteristics of regulating vibration damper.
A vibration system can be decomposed into three kinds of mechanics constituting components: damping, rigidity (elasticity) and inertial mass.In itself, the damping function in the vibration damper is converted to vibrational energy other form of energy such as heat, has the effect of dissipation energy, and passive energy dissipation has been wasted the power that drives on the one hand, also can cause other bad influences because structure heats up on the other hand.Rigidity has the effect of putting potential energy of holding, but when the vibration deformation amount hour, potential energy to hold the effect of putting not obvious; Inertial mass has holds the effect of putting kinetic energy, in the time of in being applied in vibration damper, can not consume the power source of vibration.
Summary of the invention
The objective of the invention is deficiency, invented a kind of half active dydraulic shock absorber of variable inertial mass at existing vibration damper.Utilize hydraulicdriven flywheel to store a large amount of vibrational energies, according to oscillating signal the inertial mass characteristic of vibration damper is adjusted, smothing filtering is carried out in vibration, thereby reduce the energy consumption of vibration damper, improve the utilization ratio of power, and subdued the harmful effect of vibration.
To achieve these goals, the present invention takes following technological scheme:
The dydraulic shock absorber of variable inertial mass comprises the first oscillating action end 1, valve 2, the second oscillating action end 3, oil hydraulic cylinder 4, flowmeter 5, oil hydraulic motor 6, flywheel 7, electric liquid modulating valve 8.
The described element first oscillating action end links to each other with the piston rod of element oil hydraulic cylinder, and the shell of element oil hydraulic cylinder links to each other with the element second oscillating action end, and vibration causes that the relative displacements between two effect ends change, and then causes moving up and down of piston in the oil hydraulic cylinder.
The two ends of described element oil hydraulic motor are connected with the two ends of element oil hydraulic cylinder, form the structure that element oil hydraulic cylinder, element oil hydraulic motor and element electricity liquid modulating valve three are in parallel.
Described element valve is installed on the hydraulic pipe line, is used for providing the perfusion and the discharging of whole system hydraulic oil.
Described element flow meter is installed on the hydraulic pipe line of oil hydraulic motor, is used to measure the actual flow of oil hydraulic motor, according to the discharge capacity of known oil hydraulic motor, measures the rotating speed of flywheel indirectly.
Described element flywheel links to each other with the output terminal of element oil hydraulic motor, and a hydraulic oil part that flows out from the positive pressure side of oil hydraulic cylinder directly flows back to oil hydraulic cylinder negative pressure end by element electricity liquid modulating valve, and rest parts hydraulic oil drives oil hydraulic motor, and then drives the flywheel rotation.
The equivalent inertial mass of amplifying in the above-mentioned vibration damper is achieved in that and makes that the interior cross-section area of hydraulic fluid chamber is S square metre in the oil hydraulic cylinder, and the discharge capacity of oil hydraulic motor is a revolution n cubic meter, and the quality of flywheel is the m kilogram, and radius is a r rice.As if the influence of the damping of disregarding hydraulic system, compressibility of fluid, internal leakage etc., to close under the situation at electric liquid modulating valve, the equivalent inertial mass between the first oscillating action end and the second oscillating action end is 2 π
2MS
2r
2/ n
2Owing to utilized hydraulicdriven amplification, the present invention can obtain amplifying 2 π than flywheel actual mass m
2S
2r
2/ n
2Equivalent inertial mass doubly.As long as on mechanical structure, design
The equivalent inertial mass that just can obtain to amplify.
Described element electricity liquid modulating valve utilizes the aperture of the continuous regulating valve of electrical signal, thereby adjusts the magnification factor of inertial mass according to the variation of oscillating signal.
Compare with the prior art of dydraulic shock absorber, the present invention has following characteristics:
1, the present invention has utilized the drive line that oil hydraulic cylinder and oil hydraulic motor constitute, and can realize much bigger equivalent inertial mass with the actual flywheel of less quality, with the kinetic energy fluctuation of balance vibration.
2, element electricity liquid modulating valve utilizes the aperture of the continuous regulating valve of electrical signal, thereby adjusts the magnification factor of inertial mass, and then realize the inertial mass continuous variable of vibration damper, thereby realize more excellent damping property according to the variation of oscillating signal among the present invention.
3, the present invention realizes vibration damping as a kind of dydraulic shock absorber of change inertial mass of half active by the inertial mass of adjusting vibration damper.Because inertial mass has the effect of holding exoergic, therefore can put vibrational energy realization buffer shock-absorbing, and need not vibrational energy is carried out passive energy dissipation by holding.Therefore this vibration damper heating value is little, has the effect of saving power source.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure, the 1-first oscillating action end, 2-valve, the 3-second oscillating action end, 4-oil hydraulic cylinder, 5-flowmeter, 6-oil hydraulic motor, 7-flywheel, 8-electricity liquid modulating valve.
Embodiment
Below in conjunction with drawings and Examples, further the present invention will be described.
Embodiment as shown in Figure 1, the dydraulic shock absorber of variable inertial mass mainly is made up of the first oscillating action end 1, valve 2, the second oscillating action end 3, oil hydraulic cylinder 4, flowmeter 5, oil hydraulic motor 6, flywheel 7 and electric liquid modulating valve 8 etc.Because the hydraulicdriven amplification that has utilized oil hydraulic cylinder and oil hydraulic motor to constitute, when electric liquid modulating valve cut out, maximum of the present invention can obtain to amplify 2 π than flywheel actual mass
2S
2r
2/ n
2Equivalent inertial mass doubly therefore can be with the inertial mass of the bigger vibration damper of the flywheel realization of less quality.
Electric liquid modulating valve among the present invention utilizes the aperture of the continuous regulating valve of electrical signal according to the variation of oscillating signal, thereby adjusts the magnification factor of inertial mass, and then adjusts the inertial mass of vibration damper.By the inertial mass of design optimization, can obtain more excellent effectiveness in vibration suppression.Because the present invention realizes vibration damping by the inertial mass of adjusting vibration damper, and inertial mass has the effect of holding exoergic, thus can put filtering and cushion by holding a large amount of vibrational energies, and need not vibrational energy is carried out passive energy dissipation.This vibration damper heating value is little, has the effect of saving power source.
Therefore, the present invention is with the dydraulic shock absorber of the variable inertial mass of simple structure composition, can adjust the inertial mass of vibration damper according to oscillating signal, realize the buffer shock-absorbing effect hold exoergic, have in light weight, save power source, heating value is little, damping property is good advantage.
Claims (2)
1. the dydraulic shock absorber of a variable inertial mass, comprise the first oscillating action end (1), valve (2), the second oscillating action end (3), oil hydraulic cylinder (4), flowmeter (5), oil hydraulic motor (6), flywheel (7), electric liquid modulating valve (8), it is characterized in that: the first oscillating action end (1) links to each other with the piston rod of oil hydraulic cylinder (4), the shell of oil hydraulic cylinder (4) links to each other with the second oscillating action end (3), vibration causes that two relative displacements between the effect end change, and then causes moving up and down of the middle piston of oil hydraulic cylinder (4); The two ends of oil hydraulic motor (6) are connected with the two ends of oil hydraulic cylinder (4), form the structure that oil hydraulic cylinder (4), oil hydraulic motor (6) and electric liquid modulating valve (8) three are in parallel; Valve (2) is installed on the hydraulic pipe line, is used for providing the perfusion and the discharging of whole system hydraulic oil; Flowmeter (5) is installed on the hydraulic pipe line of oil hydraulic motor (6), is used to measure the actual flow of oil hydraulic motor (6), according to the discharge capacity of known oil hydraulic motor (6), measures the rotating speed of flywheel (7) indirectly; Flywheel (7) links to each other with the output terminal of oil hydraulic motor (6), a hydraulic oil part that flows out from the positive pressure side of oil hydraulic cylinder (4) directly flows back to oil hydraulic cylinder (4) negative pressure end by electric liquid modulating valve (8), rest parts hydraulic oil drives oil hydraulic motor (6), and then drives flywheel (7) rotation; Electricity liquid modulating valve (8) is according to the variation of oscillating signal, the aperture of regulating the valve of electric liquid modulating valve (8) continuously, thus adjust the magnification factor of inertial mass.
2. the dydraulic shock absorber of variable inertial mass according to claim 1 is characterized in that, the hydraulic oil of oil hydraulic motor (6) is imported and exported with the hydraulic oil import and export of oil hydraulic cylinder (4) and linked to each other respectively, and electric liquid modulating valve (8) is in parallel with oil hydraulic motor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102509284A CN101709760B (en) | 2009-12-21 | 2009-12-21 | Variable inertial mass hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102509284A CN101709760B (en) | 2009-12-21 | 2009-12-21 | Variable inertial mass hydraulic damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709760A CN101709760A (en) | 2010-05-19 |
| CN101709760B true CN101709760B (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102509284A Expired - Fee Related CN101709760B (en) | 2009-12-21 | 2009-12-21 | Variable inertial mass hydraulic damper |
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| CN (1) | CN101709760B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619921B (en) * | 2012-04-13 | 2014-12-03 | 江苏大学 | Shock absorber device with shunt-wound inertial container and damping |
| CN103423362B (en) * | 2013-08-12 | 2015-08-05 | 江苏大学 | The energy-saving vibration-reduction device that a kind of damping is adjustable |
| CN104595290A (en) * | 2014-12-30 | 2015-05-06 | 浙江大学台州研究院 | Hydraulic inerter with initiative and controllable inert coefficient |
| JP6584785B2 (en) * | 2015-02-12 | 2019-10-02 | 清水建設株式会社 | Rotating inertia mass damper |
| CN107061670A (en) * | 2015-11-16 | 2017-08-18 | 熵零股份有限公司 | A kind of energy adjustment system |
| CN105508492B (en) * | 2015-12-17 | 2018-06-26 | 江苏大学 | A kind of spring damping is used to hold integral type suspension |
| CN108001144A (en) * | 2018-01-11 | 2018-05-08 | 南京信息职业技术学院 | One kind becomes the passive suspension energy absorption device of inertia vehicle |
| JP6660408B2 (en) * | 2018-02-08 | 2020-03-11 | 本田技研工業株式会社 | Damper device |
| CN108573639B (en) * | 2018-06-06 | 2023-09-01 | 河南师范大学 | Device capable of measuring inertial mass of object with arbitrary shape |
| JP6984981B2 (en) * | 2018-06-29 | 2021-12-22 | 株式会社免制震ディバイス | Vibration suppression device |
| CN109083966B (en) * | 2018-08-31 | 2020-07-24 | 南京理工大学 | Wave pipe surrounding type gas inerter |
| CN109083967B (en) * | 2018-08-31 | 2020-04-07 | 南京理工大学 | Spiral gas inerter |
| CN110962520B (en) * | 2019-11-28 | 2021-09-10 | 江苏大学 | Inertia mass coefficient multi-stage adjustable inertia volume device and control method thereof |
-
2009
- 2009-12-21 CN CN2009102509284A patent/CN101709760B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101709760A (en) | 2010-05-19 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100519 Assignee: Chongqing Xiecheng Biyang Shock Absorber Co.,Ltd. Assignor: Chongqing Technology and Business University Contract record no.: 2014500000038 Denomination of invention: Variable inertial mass hydraulic damper Granted publication date: 20111005 License type: Exclusive License Record date: 20140710 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20171221 |