CN104963981A - Hydro-electric energy-feed type shock absorber with two check valve pipelines - Google Patents
Hydro-electric energy-feed type shock absorber with two check valve pipelines Download PDFInfo
- Publication number
- CN104963981A CN104963981A CN201510330250.6A CN201510330250A CN104963981A CN 104963981 A CN104963981 A CN 104963981A CN 201510330250 A CN201510330250 A CN 201510330250A CN 104963981 A CN104963981 A CN 104963981A
- Authority
- CN
- China
- Prior art keywords
- oil
- hydraulic
- valve
- energy
- way valve
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
Abstract
The invention relates to a hydro-electric energy-feed type shock absorber with two check valve pipelines. The hydro-electric energy-feed type shock absorber is mainly composed of a hydro-electric energy-feed system and an oil recharging device. The hydro-electric energy-feed system is composed of a hydraulic work cylinder, a first check valve, a second check valve, an energy accumulator, a hydraulic motor, a generator and a hydraulic pipeline. The oil recharging device is composed of an oil storage cylinder barrel, a compressing valve and a compensation valve. A lower lifting lug of the hydraulic work cylinder is connected with a wheel, and an upper lifting lug of the hydraulic work cylinder is connected with an automobile body. The first check valve, the second check valve, the energy accumulator and the hydraulic motor are connected through the hydraulic pipeline. The hydraulic pipeline is communicated with an extension stroke oil outlet formed in a rod cavity and a compression stroke oil outlet formed in a rodless cavity to form a hydraulic energy-feed loop, the rod cavity and the rodless cavity are formed in the two sides of the hydraulic work cylinder, and the hydraulic energy-feed loop is arranged outside the hydraulic work cylinder. The hydraulic motor is directly connected with the generator. The hydro-electric energy-feed type shock absorber has the beneficial effects that the occupied space is small, the number of parts is small, and the structure is simple; energy generated by vibration of an automotive suspension can be used for acting and is effectively converted into electric energy.
Description
Technical field
The invention belongs to vehicle suspension vibration damper systems technology field, particularly relate to the electrohydraulic energy-regenerative type shock absorber of a kind of employing two one-way valve pipelines.
Background technique
Vehicle in the process of moving, due to road roughness and vehicle acceleration and deceleration, to turn to and the operation such as braking can cause between spring carried mass and nonspring carried mass and produces Relative Vibration, the thermal energy consumption that this vibration mechanical energy is converted into fluid then dissipates by traditional shock absorber for vehicle, plays the effect that attenuation vibration improves vehicle ride comfort.The energy regenerating that if this partly dissipative can be fallen, and be used, then can improve energy utilization efficiency, reduce fuel consume, reach the object of energy saving.The present invention, just based on so a kind of innovative idea, namely utilizes the vibration damper with recovered energy function to substitute traditional vibration damper, by the energy regenerating dissipated, realizes the target of energy saving.The existing energy vibration damper by generator recovery vibrational energy has a lot of form, but all there is certain defect, and the present invention improves energy recovery efficiency by improving oil hydraulic circuit further, reaches the object of saving energy.
Chinese patent 201020117853.0 describe be a kind of integrated form liquid electricity power feeding shock absorber, it mainly comprises oil hydraulic circuit, working room and piston, wherein working room is pistons work chamber and energy storage power generation chamber two-part by baffle for separating, piston push rod is reciprocating in pistons work chamber, oil hydraulic motor is in energy storage power generation chamber, by the external generator rotary electrification of rotational movement, accumulator is arranged in energy storage power generation chamber, oil hydraulic circuit and multiple one-way valve form hydraulic pressure rectifier bridge, oil hydraulic circuit adopts the form of exocoel in piston is arranged external pipeline outward or plunger designs become.But this liquid electricity power feeding shock absorber is owing to being integrated in hydraulic cylinder by energy regenerative chamber, and energy recovery efficiency is not high, often oil leakage phenomenon can occur, therefore can not play the effect of energy regenerative well.
What the power feeding shock absorber that China Patent Publication No. 1626370A describes adopted is ball screw framework, the translate linear motion between spring carried mass with nonspring carried mass is become the rotary motion of rotor.Ball screw framework and motor form energy regenerative parts, by the Energy transmission reclaimed.In vehicle travel process, piston in vibration damper is upheld and compression movement with road roughness, ball nut moves up and down vertically, ball screw and rotor is driven to do positive and negative rotation motion, motor according to control command in electronic and braking two kinds of working staties between switch, thus the shock and vibration that active buffer and decay are caused by road roughness, and recovered energy.Translate linear motion is the shortcoming of the energy-recuperation system of rotary motion by the employing such as pinion and-rack or ball screw type mechanical device is the impact being subject to transmission system internal void, and energy regenerative efficiency is lower.
What Chinese patent ZL00232651.5 described is utilize direct current generator in vibration damper, the mechanical energy that straight line motion produces is directly changed into electric energy or electric energy is directly changed into straight line motion mechanical energy, and without any need for intermediate conversion mechanism, also can recovery section energy while damping road impacts.Its shortcoming is that the magnetic flux leakage of linear electric motor is comparatively large, and damping force is little, is not suitable for heavy vehicle; Its electrical properties is lower, and energy recovery efficiency is general; The supporting structure of linear electric motor vibration damper is comparatively complicated, and easily loses efficacy, and structural reliability is general, and manufacture cost is higher.
A kind of liquid electricity power feeding shock absorber that Chinese patent 201010250105.4 describes, it forms primarily of piston, hydraulic pressure check bridge, accumulator, oil hydraulic motor and rotary generator, vibration damper cavity is divided into rodless cavity and rod chamber by piston and piston push rod, this two-part cavity respectively has an oil outlet and a filler opening, each oil outlet and filler opening all arrange an one-way valve, and one-way valve and the pipeline be attached thereto form hydraulic pressure check bridge; Accumulator is connected in parallel on the connecting tube between two oil outlets and oil hydraulic motor filler opening; Pipeline between oil hydraulic motor oil outlet and vibration damper cavity two filler openings is parallel with volume and converts bridge, this volume conversion bridge is made up of two one-way valves and the fuel tank be attached thereto.But the hydraulic pressure rectifier bridge structure of this system is comparatively complicated, and cost is higher, and energy regenerative efficiency is not high; Because oil hydraulic cylinder rod chamber is different with the Volume Changes of rodless cavity, cause the damping force of compression stroke to be greater than extension stroke, do not meet the basic demand of vehicle for hydraulic shock absorber external characteristics.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and a kind of efficient, practical, electrohydraulic energy-regenerative type shock absorber of being convenient to employing two one-way valve pipelines of I&M is provided, can effective attenuation suspension vibration, a part of vibrational energy can also be reclaimed simultaneously, be converted into electric energy, can using the ACTIVE CONTROL of this vibrational energy as suspension system or the energy source of semi-active control; This damper system can carry out transformation based on traditional double-cylinder hydraulic damper and form, and can be applied to all vehicles or other Motor Vehicle.
The object of the invention is to have come by following technical solution.The electrohydraulic energy-regenerative type shock absorber of this employing two one-way valve pipelines, the liquid electricity energy regenerative system be mainly made up of hydraulic working cylinder, the first one-way valve and the second one-way valve, accumulator, oil hydraulic motor, generator, hydraulic pipe line and the recharging oil device be made up of oil storage cylinder barrel, compression valve and recuperation valve are formed, the lower hanger of described hydraulic working cylinder is connected with wheel, and upper hanger is connected with vehicle body; First one-way valve is connected by hydraulic pipe line with the second one-way valve, accumulator, oil hydraulic motor, this hydraulic pipe line is communicated with the extension stroke oil outlet set by rod chamber on hydraulic working cylinder both sides and the compression stroke oil outlet set by rodless cavity respectively, form a hydraulic pressure energy regenerative loop, this hydraulic pressure energy regenerative loop is arranged in outside hydraulic working cylinder; Described recharging oil device is located at the outside or built-in of hydraulic working cylinder, and the compression valve in this recharging oil device is positioned at compression stroke oil outlet side, and recuperation valve is positioned at extension stroke oil outlet side; Described oil hydraulic motor and generator direct-connected.Described hydraulic working cylinder comprises piston rod, work cylinder barrel, piston, described piston is fixed on the lower end of piston rod, and is positioned at work cylinder barrel, and the upper end of piston rod is fixed with hanger, on this, hanger is positioned at the top of dust-proof cover, and upper dust-proof cover is placed on outside oil storage cylinder barrel; There is oil storage cylinder barrel the upper end of described work cylinder barrel by guiding cover for seat, is placed with oil sealing and spring between this guide holder and oil storage cylinder barrel; The lower end of work cylinder barrel is fixed with supporting flap, there is supporting base the below of this supporting flap, and supporting base is positioned on lower dust-proof cover, and the below of this lower dust-proof cover is provided with lower hanger, the central position of this supporting flap is connected with compression valve rod, in this supporting base, is provided with compression valve and recuperation valve.
As preferably, described guide holder offers an oil duct, one end of this oil duct communicates with built-in oil pipe, and the other end of oil duct communicates in work cylinder barrel, this built-in oil pipe is installed conversion adapter as extension stroke oil outlet, fluid is led to outside hydraulic pipe line by this rod chamber formed; Oil storage cylinder barrel and work cylinder barrel offer an aperture run through, both is got through and install conversion adapter as compression stroke oil outlet, fluid is led to outside hydraulic pipe line by this rodless cavity formed.
As preferably, the first described one-way valve and the second one-way valve all adopt steel ball to add the one-way valve of location spring structure.
As preferably, described compression valve and recuperation valve all adopt the valve body of circular valve block spring assembly.
As preferably, what described accumulator adopted is piston spring formula accumulator.
Beneficial effect of the present invention is:
One, simplifies liquid in the past and replies conjunction energy regenerative technological scheme by cable, by the hydraulic pressure rectifier bridge structure of general employing four one-way valves, be reduced to the structure of two one-way valves, improve system response time; And component are less, the volume that takes up room is little; Based on the suspension system that this kind of form is set up, there are energy-conserving and environment-protective, improve the advantage of vehicle ride comfort;
Its two, hydraulic working cylinder can be transformed and form on traditional double-cylinder hydraulic damper basis, can cancel the flowing valve on piston and rebound valve, utilize original compression valve and recuperation valve, thus decrease component, optimize shock absorber structure;
Its three, in side, vibration damper hydraulic cylinder bottom, work casing wall and oil storage casing wall are got through, open an aperture, as compression stroke oil outlet; At the opposite side that this oil outlet is relative, an oil pipe is installed in oil storage cylinder, connects rod chamber, export as extension stroke oil outlet; Hydraulic flow speed can be accelerated thus, improve the reuse efficiency of vibrational energy.
Accompanying drawing explanation
Fig. 1 is basic principle figure of the present invention.
Fig. 2 is concrete structure schematic diagram of the present invention.
Label in accompanying drawing is respectively: 1, piston rod; 2, upper rings; 3, oil sealing; 4, spring; 5, guide holder; 6, dust-proof cover; 7, oil storage cylinder barrel; 8, built-in oil pipe; 9, work cylinder barrel; 10, piston, 11, recuperation valve; 12, flap is supported; 13, extension stroke oil outlet; 14, lower hanger; 15, dust-proof cover, 16, supporting base; 17, compression valve; 18, compression stroke oil outlet; 19, compression valve rod; 20, the second one-way valve; 21, the first one-way valve; 22, oil hydraulic motor; 23, generator; 24, accumulator; 25, hydraulic working cylinder; 26, oil duct; 27, aperture.
Embodiment
Below in conjunction with accompanying drawing, detailed introduction is done to the present invention: as shown in accompanying drawing 1,2, the liquid electricity energy regenerative system that the present invention is mainly made up of hydraulic working cylinder 25, first one-way valve 21 and the second one-way valve 20, accumulator 24, oil hydraulic motor 22, generator 23, hydraulic pipe line and the recharging oil device be made up of oil storage cylinder barrel 7, compression valve 17 and recuperation valve 11 are formed, it is characterized in that: the lower hanger 14 of described hydraulic working cylinder 25 is connected with wheel, upper hanger 2 is connected with vehicle body; First one-way valve 21 is connected by hydraulic pipe line with the second one-way valve 20, accumulator 24, oil hydraulic motor 22, this hydraulic pipe line is communicated with the extension stroke oil outlet 13 set by rod chamber on hydraulic working cylinder 25 both sides and the compression stroke oil outlet 18 set by rodless cavity respectively, form a hydraulic pressure energy regenerative loop, this hydraulic pressure energy regenerative loop is arranged in outside hydraulic working cylinder 25; Described recharging oil device is located at the outside or built-in of hydraulic working cylinder 25, and the compression valve 17 in this recharging oil device is positioned at the fuel-displaced 18 mouthfuls of sides of compression stroke, and recuperation valve 11 is positioned at extension stroke oil outlet 13 side; Described oil hydraulic motor 22 is direct-connected with generator 23, and also can increase speed regulating mechanism in the middle of both, oil hydraulic motor 22 rotarily drives generator 23 and generates electricity, and plays the effect of energy regenerative; What this oil hydraulic motor 22 adopted is crescent gear motor, and what generator 23 adopted is non-brush permanent-magnet DC motor.
Described hydraulic working cylinder 25 comprises piston rod 1, work cylinder barrel 9, piston 10, and described piston 10 is fixed on the lower end of piston rod 1, and is positioned at work cylinder barrel 9, and piston 10 can pump; The upper end of piston rod 1 is fixed with hanger 2, and on this, hanger 2 is positioned at the top of dust-proof cover 6, and upper dust-proof cover 6 is placed on outside oil storage cylinder barrel 7; There is oil storage cylinder barrel 7 upper end of described work cylinder barrel 9 by guide holder 5 cover, is placed with oil sealing 3 and spring 4 between this guide holder 5 and oil storage cylinder barrel 7; The lower end of work cylinder barrel 9 is fixed with supporting flap 12, there is supporting base 16 below of this supporting flap 12, supporting base 16 is positioned on lower dust-proof cover 15, the below of this lower dust-proof cover 15 is provided with lower hanger 14, the central position of this supporting flap 12 is connected with compression valve rod 19, in this supporting base 16, is provided with compression valve 17 and recuperation valve 11.
Described guide holder 5 offers an oil duct 26, one end of this oil duct 26 communicates with built-in oil pipe 8, the other end of oil duct 26 communicates in work cylinder barrel 9, this built-in oil pipe 8 is installed conversion adapter as extension stroke oil outlet 13, and fluid is led to outside hydraulic pipe line by this rod chamber formed; Oil storage cylinder barrel 7 and work cylinder barrel 9 offer an aperture run through 27, both is got through and install conversion adapter as compression stroke oil outlet 18, fluid is led to outside hydraulic pipe line by this rodless cavity formed.
The first described one-way valve 21 and the second one-way valve 20 all adopt steel ball to add the one-way valve of location spring structure; Described compression valve 17 and recuperation valve 11 all adopt the valve body of circular valve block spring assembly; What described accumulator 24 adopted is piston spring formula accumulator.
Working principle of the present invention is the rotary motion linear relative movement of the spring carried mass caused by road roughness and nonspring carried mass being transformed into oil hydraulic motor 22, generated electricity by oil hydraulic motor 22 drive electrical generators 23 again, thus vibration mechanical energy is converted into electric energy and reclaims, and provide energy for the ACTIVE CONTROL of suspension or semi-active control.Whole system mainly comprises hydraulic working cylinder 25, first one-way valve 21 and the second one-way valve 20, accumulator 24, oil hydraulic motor 22, generator 23, the liquid electricity energy regenerative system of hydraulic pipe line composition and the recharging oil device that is made up of oil storage cylinder barrel 7, compression valve 17 and recuperation valve 11.When automobile vibration, piston 10 is reciprocating, is hydraulic energy by doing work changes mechanical energy.Hydraulic pipe line is made up of oil pipe, the first one-way valve 21 and the second one-way valve 20, accumulator 24, oil hydraulic motor 22, and connect extension and the compression stroke oil outlet of damper fluid cylinder pressure, form a complete oil hydraulic circuit, wherein there is no damping hole, can effectively reduce the heat loss produced in flow of fluid process.Extension during vibration and the hydraulic energy of compression both can make full use of by this form, and inertia loss generator 23 can being avoided again reverse bring, increases the generating efficiency of generator 23, the life-span of prolongation generator.The active force of the counterelectromotive force produced when the damping force needed for damper system works primarily of oil hydraulic motor 22 and generator 23 provides.
Purposes of the present invention is: when automobile or other motor-driven vehicle going, by the Roughness on road surface and vehicle acceleration and deceleration, turn to, spring carried mass caused by the operation such as braking and the energy of Relative Vibration that produces between nonspring carried mass, traditional vibration damper is replaced to recycle this vibrational energy by above-mentioned electrohydraulic energy-regenerative type shock absorber, and attenuation vibration.The linear relative movement of the spring carried mass caused by road roughness and nonspring carried mass is transformed into the rotary motion of oil hydraulic motor 22 by this vibration damper by oil hydraulic circuit, generated electricity, thus vibration mechanical energy is converted into electric energy by oil hydraulic motor 22 drive electrical generators 23.The reaction force of the counterelectromotive force produced when the damping force needed for this vibration damper is worked by oil hydraulic motor 22 and generator 23 provides.Maximum different of the present invention and general dydraulic shock absorber are: conventional hydraulic vibration damper relies on liquid to produce the damping force needed for vibration damper by the phase mutual friction between fluid molecule during little valve port; The counterelectromotive force that electrohydraulic energy-regenerative type shock absorber produces when being then and relying on oil hydraulic motor 22 rotation and generator 23 to work produces the damping force needed for vibration damper, in order to fully reclaim vibrational energy, damping force suffered before liquid arrival oil hydraulic motor is the smaller the better.
Working procedure of the present invention is as follows:
In the process of moving, due to road roughness and automobile acceleration and deceleration, to turn to and the operation such as braking produces vibration, now, the piston in damper fluid cylinder pressure is reciprocating in cylinder barrel for automobile.When electrohydraulic energy-regenerative type shock absorber is in compression stroke, the volume of rodless cavity reduces, oil liquid pressure raises, due on piston without rebound valve and flowing valve, the fluid of rodless cavity enters hydraulic pipe line by compression stroke oil outlet 18 (oil outlet A), and open at B point first one-way valve 21, the second one-way valve 20 is closed, part fluid along hydraulic pipe line, flows into the extension stroke oil outlet 13 of rod chamber by the first one-way valve 21 at D place; Due to the volume reducing that piston rod 1 causes, sub-fraction fluid enters accumulator 24 from the shunting of C mouth; In addition fluid another part of rodless cavity pushes compression valve 17 open, enters among oil storage cylinder barrel 7.
When electrohydraulic energy-regenerative type shock absorber is in extension stroke, the volume of rod chamber reduces, oil liquid pressure raises, due on piston without rebound valve and flowing valve, fluid flows out from the extension stroke oil outlet 13 of rod chamber, and close at D place first one-way valve 21, fluid flows to oil hydraulic motor 22 along hydraulic pipe line, thus make oil hydraulic motor 22 drive electrical generators 23 rotary electrification, play energy regenerative effect; Fluid is after oil hydraulic motor 22, and the second one-way valve 20 is opened, and flows into rodless cavity along hydraulic pipe line from compression stroke oil outlet 18 (A); Due to the volume reducing that piston rod 1 causes, the part fluid of oil storage cylinder barrel 7 is pushed recuperation valve 11 open and is flowed into rodless cavity.
Be understandable that, for a person skilled in the art, technological scheme of the present invention and inventive concept be equal to and replace or change the protection domain that all should belong to the claim appended by the present invention.
Claims (5)
1. one kind adopts the electrohydraulic energy-regenerative type shock absorber of two one-way valve pipelines, mainly by hydraulic working cylinder (25), first one-way valve (21) and the second one-way valve (20), accumulator (24), oil hydraulic motor (22), generator (23), the liquid electricity energy regenerative system and by oil storage cylinder barrel (7) of hydraulic pipe line composition, the recharging oil device that compression valve (17) and recuperation valve (11) form is formed, it is characterized in that: the lower hanger (14) of described hydraulic working cylinder (25) is connected with wheel, upper hanger (2) is connected with vehicle body, first one-way valve (21) is connected by hydraulic pipe line with the second one-way valve (26), accumulator (24), oil hydraulic motor (22), this hydraulic pipe line is communicated with the extension stroke oil outlet (13) set by rod chamber on hydraulic working cylinder (25) both sides and the compression stroke oil outlet (18) set by rodless cavity respectively, form a hydraulic pressure energy regenerative loop, this hydraulic pressure energy regenerative loop is arranged in hydraulic working cylinder (25) outward, described recharging oil device is located at the outside or built-in of hydraulic working cylinder (25), compression valve (17) in this recharging oil device is positioned at compression stroke fuel-displaced (18) mouth side, recuperation valve (11) is positioned at extension stroke oil outlet (13) side, and described oil hydraulic motor (22) is direct-connected with generator (23), described hydraulic working cylinder (25) comprises piston rod (1), work cylinder barrel (9), piston (10), described piston (10) is fixed on the lower end of piston rod (1), and be positioned at work cylinder barrel (9), the upper end of piston rod (1) is fixed with hanger (2), on this, hanger (2) is positioned at the top of dust-proof cover (6), and upper dust-proof cover (6) is placed on oil storage cylinder barrel (7) outward, there is oil storage cylinder barrel (7) upper end of described work cylinder barrel (9) by guide holder (5) cover, is placed with oil sealing (3) and spring (4) between this guide holder (5) and oil storage cylinder barrel (7), the lower end of work cylinder barrel (9) is fixed with supporting flap (12), there is supporting base (16) below of this supporting flap (12), supporting base (16) is positioned on lower dust-proof cover (15), the below of this lower dust-proof cover (15) is provided with lower hanger (14), the central position of this supporting flap (12) is connected with compression valve rod (19), in this supporting base (16), is provided with compression valve (17) and recuperation valve (11).
2. the electrohydraulic energy-regenerative type shock absorber of employing according to claim 1 two one-way valve pipelines, it is characterized in that: described guide holder (5) offers an oil duct (26), one end of this oil duct (26) communicates with built-in oil pipe (8), the other end of oil duct (26) communicates in work cylinder barrel (9), the upper conversion adapter of installing of this built-in oil pipe (8) is as extension stroke oil outlet (13), and fluid is led to outside hydraulic pipe line by this rod chamber formed; An aperture run through (27) is offered in oil storage cylinder barrel (7) and work cylinder barrel (9), both got through and install conversion adapter as compression stroke oil outlet (18), fluid is led to outside hydraulic pipe line by this rodless cavity formed.
3. the electrohydraulic energy-regenerative type shock absorber of employing according to claim 1 two one-way valve pipelines, is characterized in that: described the first one-way valve (21) and the second one-way valve (20) all adopt steel ball to add the one-way valve of location spring structure.
4. the electrohydraulic energy-regenerative type shock absorber of employing according to claim 1 two one-way valve pipelines, is characterized in that: described compression valve (17) and recuperation valve (11) all adopt the valve body of circular valve block spring assembly.
5. the electrohydraulic energy-regenerative type shock absorber of employing according to claim 1 two one-way valve pipelines, is characterized in that: what described accumulator (24) adopted is piston spring formula accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510330250.6A CN104963981A (en) | 2015-06-15 | 2015-06-15 | Hydro-electric energy-feed type shock absorber with two check valve pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510330250.6A CN104963981A (en) | 2015-06-15 | 2015-06-15 | Hydro-electric energy-feed type shock absorber with two check valve pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104963981A true CN104963981A (en) | 2015-10-07 |
Family
ID=54218034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510330250.6A Pending CN104963981A (en) | 2015-06-15 | 2015-06-15 | Hydro-electric energy-feed type shock absorber with two check valve pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104963981A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379127A (en) * | 2016-10-26 | 2017-02-08 | 西安科技大学 | Electro-hydraulic integrated type self-energy supplying active suspension actuator and control method thereof |
| CN108180247A (en) * | 2018-02-09 | 2018-06-19 | 岭南师范学院 | A kind of two-way function telescopic shock absorber with energy regenerative function |
| CN110107635A (en) * | 2019-05-30 | 2019-08-09 | 西南交通大学 | Piezo-electric vibration reduction device for rail traffic |
| CN110667364A (en) * | 2019-09-18 | 2020-01-10 | 阿尔特汽车技术股份有限公司 | Suspension system with energy recovery device |
| CN113124085A (en) * | 2020-01-14 | 2021-07-16 | 深圳市固胜智能科技有限公司 | Hydraulic system of active shock absorber |
| CN114810905A (en) * | 2022-04-07 | 2022-07-29 | 江苏大学 | Shock absorber capable of recycling vibration energy |
| CN115143232A (en) * | 2022-04-07 | 2022-10-04 | 金龙 | Vibration energy recovery device and recovery method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240531A (en) * | 1977-12-12 | 1980-12-23 | Itt Industries, Inc. | Low-wear shock absorber |
| US4460073A (en) * | 1980-02-04 | 1984-07-17 | Maremont Corporation | Shock absorber with improved back check and anti-dump valve mechanisms |
| CN201110338Y (en) * | 2007-08-03 | 2008-09-03 | 朱洪纲 | Damper absorbing vibrational energy for refrigeration |
| JP2009097552A (en) * | 2007-10-15 | 2009-05-07 | Kayaba Ind Co Ltd | Pneumatic shock absorber |
| CN102305262A (en) * | 2011-06-17 | 2012-01-04 | 靳阳 | Energy collection absorber and implementation method thereof |
| CN103016468A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Hydraulic inertial container device |
| CN204213242U (en) * | 2014-11-13 | 2015-03-18 | 浙江师范大学 | A kind of electrohydraulic energy-regenerative type shock absorber |
| CN204716856U (en) * | 2015-06-15 | 2015-10-21 | 万向钱潮股份有限公司 | Adopt the electrohydraulic energy-regenerative type shock absorber of two one-way valve pipelines |
-
2015
- 2015-06-15 CN CN201510330250.6A patent/CN104963981A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240531A (en) * | 1977-12-12 | 1980-12-23 | Itt Industries, Inc. | Low-wear shock absorber |
| US4460073A (en) * | 1980-02-04 | 1984-07-17 | Maremont Corporation | Shock absorber with improved back check and anti-dump valve mechanisms |
| CN201110338Y (en) * | 2007-08-03 | 2008-09-03 | 朱洪纲 | Damper absorbing vibrational energy for refrigeration |
| JP2009097552A (en) * | 2007-10-15 | 2009-05-07 | Kayaba Ind Co Ltd | Pneumatic shock absorber |
| CN102305262A (en) * | 2011-06-17 | 2012-01-04 | 靳阳 | Energy collection absorber and implementation method thereof |
| CN103016468A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Hydraulic inertial container device |
| CN204213242U (en) * | 2014-11-13 | 2015-03-18 | 浙江师范大学 | A kind of electrohydraulic energy-regenerative type shock absorber |
| CN204716856U (en) * | 2015-06-15 | 2015-10-21 | 万向钱潮股份有限公司 | Adopt the electrohydraulic energy-regenerative type shock absorber of two one-way valve pipelines |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379127A (en) * | 2016-10-26 | 2017-02-08 | 西安科技大学 | Electro-hydraulic integrated type self-energy supplying active suspension actuator and control method thereof |
| CN106379127B (en) * | 2016-10-26 | 2017-05-24 | 西安科技大学 | Hydro-electric integrated type self-power active suspension actuator and control method thereof |
| CN108180247A (en) * | 2018-02-09 | 2018-06-19 | 岭南师范学院 | A kind of two-way function telescopic shock absorber with energy regenerative function |
| CN110107635A (en) * | 2019-05-30 | 2019-08-09 | 西南交通大学 | Piezo-electric vibration reduction device for rail traffic |
| CN110107635B (en) * | 2019-05-30 | 2023-10-20 | 西南交通大学 | Piezoelectric vibration damper for rail transit |
| CN110667364A (en) * | 2019-09-18 | 2020-01-10 | 阿尔特汽车技术股份有限公司 | Suspension system with energy recovery device |
| CN113124085A (en) * | 2020-01-14 | 2021-07-16 | 深圳市固胜智能科技有限公司 | Hydraulic system of active shock absorber |
| CN114810905A (en) * | 2022-04-07 | 2022-07-29 | 江苏大学 | Shock absorber capable of recycling vibration energy |
| CN115143232A (en) * | 2022-04-07 | 2022-10-04 | 金龙 | Vibration energy recovery device and recovery method thereof |
| CN114810905B (en) * | 2022-04-07 | 2023-10-10 | 江苏大学 | Vibration damper capable of recycling vibration energy |
| CN115143232B (en) * | 2022-04-07 | 2023-12-22 | 金龙 | Vibration energy recovery device and recovery method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104963981A (en) | Hydro-electric energy-feed type shock absorber with two check valve pipelines | |
| CN101749353B (en) | Electrohydraulic energy-regenerative type shock absorber | |
| CN204961669U (en) | Liquid electricity is presented can formula semi active contro shock absorber system | |
| CN104976266A (en) | Fluid electric energy feedback type semi-active control shock absorber system | |
| CN101865237A (en) | Hydraulic electricity generation shock absorber of vehicle | |
| CN101929520A (en) | Electrohydraulic energy regenerative vibration absorber | |
| CN103470672A (en) | Active pump type energy-regenerative damping system | |
| CN102926956B (en) | Blade-type energy recovery shock absorber | |
| CN101939184B (en) | Compressed air driven vehicle and compressed air generating device | |
| CN103016589A (en) | Electromagnetic type energy feedback shock absorber based on Halbach permanent magnet array | |
| CN203082102U (en) | Electromagnetic type energy feedback shock absorber based on Halbach permanent magnet array | |
| CN104154165B (en) | Pump type energy regenerative is cross-linked suspension system | |
| Xu et al. | Hydraulic transmission electromagnetic energy-regenerative active suspension and its working principle | |
| CN202165506U (en) | Power generation shock absorber | |
| CN108061125A (en) | A kind of method of work of the automobile absorber power generation mechanism based on hydraulic tube | |
| CN104389753B (en) | Vibration energy recovery device | |
| CN103925324B (en) | The dual-tube shock absorber device of a kind of straight line motor and damped series | |
| CN203130396U (en) | Electromagnetic power generation device assembly capable of recycling hydraulic buffer vibration energy synchronously | |
| CN103192673A (en) | Semi-active suspension energy-regenerative device of hybrid vehicle | |
| CN204716856U (en) | Adopt the electrohydraulic energy-regenerative type shock absorber of two one-way valve pipelines | |
| CN105644295A (en) | Active hydraulic interconnected type energy reclaiming suspension | |
| CN101474952A (en) | Energy-saving power equipment of vehicle | |
| CN203727123U (en) | Energy-regenerative type automobile active suspension | |
| CN105782320A (en) | Piston energy feedback assembly and energy recovery absorbers | |
| CN201366949Y (en) | Energy-saving power unit for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |