CN208619583U - A kind of magnetic rheology elastic body damper - Google Patents
A kind of magnetic rheology elastic body damper Download PDFInfo
- Publication number
- CN208619583U CN208619583U CN201821250118.XU CN201821250118U CN208619583U CN 208619583 U CN208619583 U CN 208619583U CN 201821250118 U CN201821250118 U CN 201821250118U CN 208619583 U CN208619583 U CN 208619583U
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- Prior art keywords
- piston valve
- circular hole
- circular
- elastic body
- hole partition
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Abstract
The utility model discloses a kind of magnetic rheology elastic body dampers, are mainly made of lifting lug, cylinder barrel, piston rod, piston valve core, piston valve end cap, magnetic conduction annulus, magnetic rheology elastic body and magnet exciting coil etc..When external load causes vibration, piston rod drives piston valve core to move with respect to cylinder barrel, in piston valve core motion process, piston valve end cap compresses magnetic rheology elastic body I and II by the pressure acted on circular hole partition, under magnetic fields, elasticity modulus changes magnetic rheology elastic body, and stiffness and damping increases, piston vibration of bar can be slowed down, play the role of decaying by external load and be transmitted to body vibrations.The utility model, which can be used for slowing down, causes the vibration of vehicle body by the external inertia mass such as engine, radiator, and then improves vehicle handling stability and service life, improves vehicle riding comfort and ride performance.
Description
Technical field
The utility model relates to a kind of damper more particularly to a kind of magnetic rheology elastic body dampers.
Background technique
Caused vibration not only includes Vehicular vibration caused by the shock loading from uneven road surface in vehicle travel process,
It simultaneously further include body vibrations caused by the external loads inertia impact such as engine and radiator acts on.Vehicle radiator is as one
A heat exchanger, main function are to be maintained at automobile can within the scope of appropriate temperature under all operating conditions.Radiator is general
It is all mounted on vehicle foreside, and quality is very heavy, is easy to produce inertia impact and acted on vehicle body, causes body vibrations.Vehicle
External load is directly installed on vehicle, can aggravate body vibrations since its inertia mass is big.
Vehicular vibration can not only reduce vehicle service life, while can be transmitted by systems such as vehicle suspension, seat suspensions
To passenger, riding comfort and safety are influenced.Therefore, in order to ensure that the normally travel of vehicle and the control stability of vehicle, improve
Vehicle riding comfort and ride performance will not only mitigate the shock loading from uneven road surface to vehicle body, decay by impacting
The vibration of bearing system caused by load, while extenuating the body vibrations as caused by the external impact such as radiator and engine and be also
Urgent problem to be solved.
The mechanical system vibration damping that conventional damper is formed using leaf spring or helical spring, each element characteristic is not in system
It is adjustable, can only Passive intake energy, mitigate impact, effectiveness in vibration suppression is poor.Magnetorheological fluid is as a kind of important novel intelligence
Can material, be widely used in half Active vibration-reducing system, there is good effectiveness in vibration suppression, but magnetorheological fluid have sealing it is difficult,
The disadvantages of stability is poor.Magnetic rheology elastic body is to mix the ferromagnetic particle of micro-meter scale as magnetorheological fluid solid forms
Into high molecular polymer, the elastomeric composite material formed after solidifying under magnetic field environment, elasticity modulus and damping can
Change with applied field strengths.Compared with common magnetorheological fluid, magnetic rheology elastic body not only has controllability, invertibity, sound
Contour technical characteristic rapidly is answered, also has the advantages that the uniquenesses such as stability is good, structure is simple；The condition of different magnetic field is being added to make outside
Under, magnetic rheology elastic body can be quick, and reversible changes the rigidity of its own, thus can preferably apply in Vehicle damper
On.
Summary of the invention
To solve the problems, such as background technique and meeting magneto-rheological vibration damper actual operation requirements, the utility model is mentioned
A kind of magnetic rheology elastic body damper out.When magnet exciting coil is powered, magnetic rheology elastic body elasticity modulus under magnetic fields occurs
Variation generates stiffness and damping variation.When piston rod is axially moved by pressure, the magnetorheological bullet that is filled in two toroidal cavities
Property body play damping action, impact suffered by piston rod is mitigated, so that decaying is transmitted to the vibration of vehicle body by external load.This is practical
New type vibration isolator, which can be used for decaying, is transmitted to the vibration of vehicle body by external loads such as engine, radiators, guarantees the normal row of vehicle
The control stability with automobile is sailed, vehicle riding comfort and ride performance are improved.Meanwhile the utility model structure it is simple,
Damping force adjustable extent is wide, effectiveness in vibration suppression is obvious.
It includes: lifting lug (1), piston rod (2), locating piece that the utility model, which solves technical solution used by its technical problem,
I (3), magnetic rheology elastic body I (4), magnetic conduction annulus I (5), magnet exciting coil (6), magnetic rheology elastic body II (7), fastening nut (8),
Magnetic conduction annulus II (9), locating piece II (10), cylinder barrel (11), piston valve upper end cover (12), circular hole partition I (13), circular hole partition II
(14), coil winding frame (15), piston valve core (16), circular hole partition III (17), circular hole partition IV (18), piston valve lower cover
(19), bottom plate (20)；Lifting lug (1) lower end is machined with internal thread hole, and piston rod (2) upper end is machined with external screw thread, and the two passes through spiral shell
Line is fastenedly connected；Piston rod (2) lower end is machined with external screw thread, connect with fastening nut (8) screw threads for fastening；Locating piece I (3) is intermediate
Position is machined with circular through hole, and locating piece I (3) external peripheral surface and cylinder barrel (11) inner circumferential surface are interference fitted, locating piece I
(3) upper surface abuts cylinder barrel (11) inner side plane, and locating piece I (3) lower end surface abuts magnetic conduction annulus I (5) upper surface；Locating piece II
(10) intermediate position is machined with circular through hole, and locating piece II (10) external peripheral surface is matched with cylinder barrel (11) inner circumferential surface interference
It closes, locating piece II (10) upper surface abuts magnetic conduction annulus II (9) lower end surface, and locating piece II (10) lower end surface is on bottom plate (20)
End face；It is enclosed between circular hole partition I (13) lower end surface, circular hole partition II (14) upper surface and piston valve core (16) circumferential outer surface
At toroidal cavity, magnetic rheology elastic body I (4) is filled in toroidal cavity；Circular hole partition III (17) lower end surface, circular hole partition
Toroidal cavity is surrounded between IV (18) upper surface and piston valve core (16) circumferential outer surface, magnetic rheology elastic body II (7) is filled out
It fills in toroidal cavity；Circular bulkheads I (13) upper surface abuts piston valve upper end cover (12) lower end surface, and passes through magnetic conduction annulus
The shoulder of I (5) carries out axially position；Circular hole partition II (14) lower end surface abuts coil winding frame (15) upper surface；Circular hole partition
III (17) upper surface abuts coil winding frame (15) lower end surface；Circular hole partition IV (18) lower end surface abuts piston valve lower cover (19)
Upper surface, and axially position is carried out by the shoulder of magnetic conduction annulus II (9)；Circular bulkheads I (13), circular hole partition II (14), circle
Hole partition III (17) and the intermediate position of circular hole partition IV (18) are machined with the circular through hole of same apertures, table in circular through hole
Face and piston valve core (16) external peripheral surface are interference fitted；The intermediate position of coil winding frame (15) is machined with circular through hole, outside
Circumferential surface is machined with toroidal cavity；Coil winding frame (15) external peripheral surface respectively with magnetic conduction annulus I (5) and magnetic conduction annulus
II (9) clearance fit；Coil winding frame (15) inner circumferential surface and piston valve core (16) external peripheral surface are interference fitted；Coil around
Coil holder (15) upper surface and circular hole partition II (14) lower end face contact；Coil winding frame (15) lower end surface and circular hole partition III (17)
Upper end face contact；Magnet exciting coil (6) is wrapped in the toroidal cavity on coil winding frame (15) outer peripheral corner surface；On piston valve
The intermediate position of end cap (12), piston valve core (16) and piston valve lower cover (19) is machined with the circular through hole of same apertures,
Circular through hole inner surface respectively with piston rod (2) external peripheral surface clearance fit；Piston valve upper end cover (12) and piston valve lower end
Lid (19) is fixedly connected by screw with piston valve core (16)；Cylinder barrel (11) is fixedly connected with bottom plate (20) by screw, cylinder barrel
(11) with piston rod (2) clearance fit.
The utility model compared with the background art, has the beneficial effect that
(1) damper and vehicle body are connected into an entirety by lifting lug and screw by the utility model damper.Outside carries
When lotus causes vibration, piston rod drives piston valve core to move with respect to cylinder barrel, and in piston valve core motion process, piston valve end cap passes through
The pressure acted on circular hole partition compresses magnetic rheology elastic body I and II, and magnetic rheology elastic body is under magnetic fields, bullet
Property modulus change, stiffness and damping increases, and can slow down piston vibration of bar, plays decaying and by external load being transmitted to vehicle body
The effect of vibration.
(2) the utility model magnetic rheology elastic body damper can be used for slowing down by the external inertia matter such as engine, radiator
Amount causes the vibration of vehicle body, and then improves vehicle handling stability and service life, improves vehicle riding comfort and traveling is flat
It is pliable.
(3) elasticity modulus of the utility model magnetic rheology elastic body can change with applied field strengths and be changed, in difference
Under magnetic field condition, magnetic rheology elastic body can be quick, the reversible rigidity for changing its own；Compared with magnetorheological fluid, not only have
There are controllability, invertibity, respond contour technical characteristic rapidly, it is unique also to have that stability is good, easily stored, structure is simple etc.
Advantage.
Detailed description of the invention
Fig. 1 is the utility model structure and magnetic line of force distribution schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 show the utility model structure and magnetic line of force distribution schematic diagram, specifically include that lifting lug (1), piston rod (2),
Locating piece I (3), magnetic rheology elastic body I (4), magnetic conduction annulus I (5), magnet exciting coil (6), magnetic rheology elastic body II (7), fastening spiral shell
Female (8), magnetic conduction annulus II (9), locating piece II (10), cylinder barrel (11), piston valve upper end cover (12), circular hole partition I (13), circular hole
Under partition II (14), coil winding frame (15), piston valve core (16), circular hole partition III (17), circular hole partition IV (18), piston valve
End cap (19) and bottom plate (20).By magnetic conduction annulus I (5), magnetic rheology elastic body I (4), piston valve core (16), magnetic rheology elastic body
II (7) and magnetic conduction annulus II (9) constitute closed magnetic circuit, and magnetic rheology elastic body is hindered by magnetic fields along vertical magnetic field directional stiffness
Buddhist nun changes.
Utility model works principle is as follows:
Damper and vehicle body are connected into an entirety by lifting lug and screw by the utility model damper.External load draws
When playing vibration, piston rod drives piston valve core to move with respect to cylinder barrel, and in piston valve core motion process, piston valve end cap passes through effect
Pressure on circular hole partition compresses magnetic rheology elastic body I and II, and magnetic rheology elastic body is under magnetic fields, springform
Amount changes, and stiffness and damping increases, and can slow down piston vibration of bar, plays decaying by external load and is transmitted to body vibrations
Effect.
Claims (1)
1. a kind of magnetic rheology elastic body damper, characterized by comprising: lifting lug (1), piston rod (2), locating piece I (3), magnetic current
Become elastomer I (4), magnetic conduction annulus I (5), magnet exciting coil (6), magnetic rheology elastic body II (7), fastening nut (8), magnetic conduction annulus
II (9), locating piece II (10), cylinder barrel (11), piston valve upper end cover (12), circular hole partition I (13), circular hole partition II (14), line
Enclose bobbin winder bracket (15), piston valve core (16), circular hole partition III (17), circular hole partition IV (18), piston valve lower cover (19), bottom plate
(20)；Lifting lug (1) lower end is machined with internal thread hole, and piston rod (2) upper end is machined with external screw thread, and the two is connected by screw threads for fastening
It connects；Piston rod (2) lower end is machined with external screw thread, connect with fastening nut (8) screw threads for fastening；The intermediate position processing of locating piece I (3)
There is circular through hole, locating piece I (3) external peripheral surface and cylinder barrel (11) inner circumferential surface are interference fitted, locating piece I (3) upper surface
Against cylinder barrel (11) inner side plane, locating piece I (3) lower end surface abuts magnetic conduction annulus I (5) upper surface；Locating piece II (10) is intermediate
Position is machined with circular through hole, and locating piece II (10) external peripheral surface and cylinder barrel (11) inner circumferential surface are interference fitted, locating piece
II (10) upper surface abuts magnetic conduction annulus II (9) lower end surface, and locating piece II (10) lower end surface abuts bottom plate (20) upper surface；Circular hole
Circular ring shape is surrounded between partition I (13) lower end surface, circular hole partition II (14) upper surface and piston valve core (16) circumferential outer surface
Groove, magnetic rheology elastic body I (4) are filled in toroidal cavity；On circular hole partition III (17) lower end surface, circular hole partition IV (18)
Toroidal cavity is surrounded between end face and piston valve core (16) circumferential outer surface, magnetic rheology elastic body II (7) is filled in annulus
In connected in star；Circular hole partition I (13) upper surface abuts piston valve upper end cover (12) lower end surface, and passes through the platform of magnetic conduction annulus I (5)
Shoulder carries out axially position；Circular hole partition II (14) lower end surface abuts coil winding frame (15) upper surface；On circular hole partition III (17)
End face abuts coil winding frame (15) lower end surface；Circular hole partition IV (18) lower end surface abuts piston valve lower cover (19) upper surface,
And axially position is carried out by the shoulder of magnetic conduction annulus II (9)；Circular hole partition I (13), circular hole partition II (14), circular hole partition III
(17) and among circular hole partition IV (18) position is machined with the circular through hole of same apertures, circular through hole inner surface and piston
Spool (16) external peripheral surface interference fit；The intermediate position of coil winding frame (15) is machined with circular through hole, external peripheral surface
It is machined with toroidal cavity；Coil winding frame (15) external peripheral surface is respectively between magnetic conduction annulus I (5) and magnetic conduction annulus II (9)
Gap cooperation；Coil winding frame (15) inner circumferential surface and piston valve core (16) external peripheral surface are interference fitted；Coil winding frame
(15) upper surface and circular hole partition II (14) lower end face contact；Coil winding frame (15) lower end surface and circular hole partition III (17) upper end
Face contact；Magnet exciting coil (6) is wrapped in the toroidal cavity on coil winding frame (15) outer peripheral corner surface；Piston valve upper end cover
(12), piston valve core (16) and the intermediate position of piston valve lower cover (19) are machined with the circular through hole of same apertures, round
Through-hole inner surface respectively with piston rod (2) external peripheral surface clearance fit；Piston valve upper end cover (12) and piston valve lower cover
(19) it is fixedly connected by screw with piston valve core (16)；Cylinder barrel (11) is fixedly connected with bottom plate (20) by screw, cylinder barrel
(11) with piston rod (2) clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821250118.XU CN208619583U (en) | 2018-08-04 | 2018-08-04 | A kind of magnetic rheology elastic body damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821250118.XU CN208619583U (en) | 2018-08-04 | 2018-08-04 | A kind of magnetic rheology elastic body damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619583U true CN208619583U (en) | 2019-03-19 |
Family
ID=65708722
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821250118.XU Expired - Fee Related CN208619583U (en) | 2018-08-04 | 2018-08-04 | A kind of magnetic rheology elastic body damper |
Country Status (1)
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| CN (1) | CN208619583U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552679A (en) * | 2019-09-27 | 2019-12-10 | 西安石油大学 | Intelligent vibration-damping natural gas well supersonic speed separation device based on magneto rheological elastomer |
| CN111350712A (en) * | 2020-03-20 | 2020-06-30 | 中国矿业大学 | Magnetorheological valve with adjustable radial damping clearance |
| JP2021071117A (en) * | 2019-10-29 | 2021-05-06 | 本田技研工業株式会社 | Active type vibration control device and method of manufacturing the same |
| CN113606275A (en) * | 2021-05-25 | 2021-11-05 | 上海应用技术大学 | Novel magnetorheological elastomer shock absorber |
| CN113959459A (en) * | 2021-10-21 | 2022-01-21 | 重庆大学 | Wheeled robot odometer device based on magneto-rheological property and control method |
-
2018
- 2018-08-04 CN CN201821250118.XU patent/CN208619583U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552679A (en) * | 2019-09-27 | 2019-12-10 | 西安石油大学 | Intelligent vibration-damping natural gas well supersonic speed separation device based on magneto rheological elastomer |
| CN110552679B (en) * | 2019-09-27 | 2020-09-15 | 西安石油大学 | Natural gas well supersonic speed separator based on magneto-rheological elastomer intelligence shock attenuation |
| JP2021071117A (en) * | 2019-10-29 | 2021-05-06 | 本田技研工業株式会社 | Active type vibration control device and method of manufacturing the same |
| JP7033570B2 (en) | 2019-10-29 | 2022-03-10 | 本田技研工業株式会社 | Active anti-vibration device and its manufacturing method |
| CN111350712A (en) * | 2020-03-20 | 2020-06-30 | 中国矿业大学 | Magnetorheological valve with adjustable radial damping clearance |
| CN113606275A (en) * | 2021-05-25 | 2021-11-05 | 上海应用技术大学 | Novel magnetorheological elastomer shock absorber |
| CN113959459A (en) * | 2021-10-21 | 2022-01-21 | 重庆大学 | Wheeled robot odometer device based on magneto-rheological property and control method |
| CN113959459B (en) * | 2021-10-21 | 2024-04-12 | 重庆大学 | Wheel type robot odometer device based on magnetorheological and control method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20190804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |