CN108071731A - A kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements - Google Patents
A kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements Download PDFInfo
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- CN108071731A CN108071731A CN201810100221.4A CN201810100221A CN108071731A CN 108071731 A CN108071731 A CN 108071731A CN 201810100221 A CN201810100221 A CN 201810100221A CN 108071731 A CN108071731 A CN 108071731A
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- magnetic core
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- housing
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 137
- 239000012530 fluid Substances 0.000 claims abstract description 40
- 239000012528 membrane Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 10
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000518 rheometry Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
-
- 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
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of magnetorheological bump levellers using multiple magnet exciting coil radial arrangements, are mainly made of elastic container, housing, magnetic core end cap, magnetic core, annulus, external yoke, magnetic core bar and magnet exciting coil etc..Magnetic core is installed, magnetic core outer surface is circumferentially uniformly equipped with 6 magnetic core bars, and the magnetic core bar other end is equipped with magnet exciting coil and external yoke inside magnetorheological bump leveller；Annulus is installed in magnetic core facing groove.6 circular through holes of magnetic core end cap, annulus and core toroidal groove floor are aligned with each other, collectively constitute the fluid course of magnetorheological fluid.During external vibration, elastic container compression is deformed, and the magnetorheological fluid of closing cavity volume I enters closing cavity volume II by fluid course.When magnet exciting coil is passed through electric current, the magnetorheological fluid at fluid course generates controllable damping force, offsets the impact that external vibration generates.The present invention has the characteristics that compact-sized, continuous controllable, limited especially suitable for space vibration damping occasion.
Description
Technical field
The present invention relates to a kind of bump leveller more particularly to a kind of magnetorheological absorbings using multiple magnet exciting coil radial arrangements
Device.
Background technology
In the systems such as electro-mechanical system and generator, due to the presence of vibration, the stability and peace of system are affected
Quan Xing, it is therefore desirable to which absorbing earthquake isolating equipment is absorbed and reduced vibration.
Traditional vibration damping device, such as hydraulic buffer, spring cushion in its working range be it is fixed, can not
Meet absorbing effect in larger working range, and its work is discontinuous, influences the controllability and stability of system.With intelligence
The appearance of energy material magnetorheological fluid, the MR damper using magnetorheological fluid as driving medium are widely used in Vibrant buffer dress
In putting.It is constantly applied with the advantages such as fast response time, operating frequency range are relatively wide, low energy consumption in machinery, building, aviation
Etc. industries.
Magnet exciting coil is wound on traditional MR damper piston head, magnetic field is generated under loading current effect, makes
It obtains the magnetorheological fluid at damping clearance and magnetic rheology effect occurs, and then generate controllable damping force.But this MR damper
Appearance and size is larger, is applied so as to limit it inside the limited occasion in space.
Based on this, it is necessary to a kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements is proposed, by reasonable
Arrangement conducting magnetic component and magnet exciting coil and rational magnetorheological fluid passage is set, shortening structure size makes it limited
Better shock attenuation result and damping property can be reached in space.
The content of the invention
In order to overcome the problems, such as present in background technology, the present invention proposes a kind of using multiple magnet exciting coil radial arrangements
Magnetorheological bump leveller.The magnetorheological bump leveller is equipped with magnetic core in inside, and the outer surface of magnetic core is circumferentially uniformly equipped with 6 magnetic cores
Bar, the other end of magnetic core bar are equipped with magnet exciting coil and external yoke；Annulus is installed in the facing groove of magnetic core.Magnetic core
6 circular through holes of end cap, annulus and core toroidal groove floor are aligned with each other, and the liquid stream for collectively constituting magnetorheological fluid is led to
Road.During external vibration, elastic container, which is under pressure, to be deformed, the pressure that the pressure for closing cavity volume I is caused to be more than closing cavity volume II,
The magnetorheological fluid for closing cavity volume I is promoted to enter closing cavity volume II by fluid course；Current induced magnetic field is passed through to magnet exciting coil,
Under the influence of a magnetic field, magnetic rheology effect is occurred by the magnetorheological fluid at fluid course, generates controllable damping force, offset external
Vibrate the impact generated.The magnetorheological bump leveller have the characteristics that it is compact-sized, continuous controllable, it is limited particularly suitable for space
Vibration damping occasion.
The technical solution adopted by the present invention to solve the technical problems includes：Support plate (1), elastic container (2), housing (3),
Magnetic core end cap (4), magnetic core (5), annulus (6), coil upper end lid (7), annular backing plate (8), elastic membrane (9), Supporting cover
(10), gasket seal (11), connecting shaft (12), locking nut (13), coil bottom end cover (14), fixed plate (15), external yoke
(16), magnetic core bar (17), magnet exciting coil (18), baffle (19) and fastening gasket (20)；Support plate (1) lower end is machined with rectangle
Line, the internal processing of elastic container (2) are fluted；Support plate (1) is fixedly connected with elastic container (2) by inlaying；Elastic container (2) and shell
Body (3) is fastenedly connected by screw and fastening gasket (20)；Housing (3) upper surface center is machined with circular through hole；Housing
(3) lower face is machined with circular trough；Housing (3) circular trough bottom surface is in close contact with magnetic core (5) upper surface；Housing (3) circular trough
Inner surface and ferromagnetic core (5) outer surface clearance fit, and pass through sealing ring and be sealed；Housing (3) outer surface is circumferential uniformly to be added
Work has 6 circular through holes, and 6 circular through holes are interference fitted respectively with 6 magnetic core bar (17) circumferential outer surfaces；Magnetic core end cap (4)
Lower face is machined with annular groove (25), and annular groove (25) bottom surface is in close contact with annulus (6) upper surface；Magnetic core end cap (4)
6 equally distributed circular through holes (26) are machined on end face, 6 equally distributed circles are machined on annulus (6) end face
Shape through hole (27)；The end face of magnetic core (5) is machined with annular groove (21), and annular groove (21) bottom surface and annulus (6) lower face are tight
Contiguity is touched；Annular groove (21) bottom surface of magnetic core (5) is machined with 6 circular through holes (22) uniformly respectively；Circular through hole (26),
Circular through hole (27) and circular through hole (22) are in axial direction aligned with each other, collectively constitute the fluid course of magnetorheological fluid；Magnetic core
End cap (4) is fastenedly connected with magnetic core (5) by screw；Magnetic core (5) outer surface is circumferentially uniformly machined with 6 round holes (24), point
It is not in close contact with one end outer surface of 6 magnetic core bars (17)；Magnetic core (5) lower face closely connects with annular backing plate (8) upper surface
It touches；Annular backing plate (8) lower face is in close contact with elastic membrane (9) upper surface；Elastic membrane (9) lower face and Supporting cover (10) upper end
Face is in close contact；Supporting cover (10) upper surface is machined with annular groove, Supporting cover (10) annular groove inner surface and housing (3) inner surface
Clearance fit, and pass through sealing ring and be sealed；Supporting cover (10) annular groove bottom is contacted with housing (3) lower face；Supporting cover
(10) it is fixedly connected with housing (3) by screw；Supporting cover (10) lower face is machined with circular through hole；Under connecting shaft (12)
Outer surface is held to coordinate with Supporting cover (10) lower face circular through hole internal surface gaps, and passes through gasket seal (11) and locking nut
(13) it is locked；One end of baffle (19) is contacted with housing (3) outer surface；Baffle (19) is machined with circular through hole, with
Magnetic core bar (17) outer surface clearance fit；One end of magnetic core bar (17) is threaded；Fixed plate (15) center is threaded
Hole, fixed plate (15) are threadably secured with magnetic core bar (17) and are connected；Magnet exciting coil (18) is wrapped in fixed plate (15) and baffle
(19) in the groove between；Fixed plate (15), magnet exciting coil (18) and baffle (19) outer surface respectively with coil upper end lid (7)
It is in close contact with the groove surface of coil bottom end cover (14)；One end of the inner surface and magnetic core bar (17) of external yoke (16) closely connects
It touches, outer surface and coil bottom end cover (14) groove inner surface of external yoke (16) are in close contact；Coil upper end lid (7) upper surface
It is in close contact with housing (3) protruding end lower face；Coil upper end lid (7) is bolted to connection with coil bottom end cover (14)；
Coil bottom end cover (14) lower face is in close contact with Supporting cover (10) upper surface.Elastic container (2), housing (3), magnetic core end cap (4)
And closing cavity volume I is surrounded between magnetic core (5)；Closing cavity volume is surrounded between magnetic core (5), annular backing plate (8) and elastic membrane (9)
II；Closing cavity volume III is surrounded between elastic membrane (9) and Supporting cover (10)；It closes in cavity volume I and closing cavity volume II full of magnetorheological
Liquid；It closes and nitrogen is full of in cavity volume III；During external vibration, elastic container (2), which is under pressure, to be deformed, the pressure of closing cavity volume I
More than closing cavity volume II pressure, promote magnetorheological fluid by closing cavity volume I successively by magnetic core end cap (4) circular through hole (26),
The circular through hole (27) of annulus (6) and the circular through hole (22) of magnetic core (5) enter in closing cavity volume II；Work as external pressure
When removing, magnetorheological fluid is led to by closing cavity volume II by the circle of the circular through hole (22) of magnetic core (5), annulus (6) successively
The circular through hole (26) of hole (27) and magnetic core end cap (4) enters in closing cavity volume I.The magnetic line of force edge that magnet exciting coil (18) generates
It is internal successively by the circular through hole (26) on magnetic core (5), annulus (6), annulus (6) magnetic core bar (17), then
It is internal into adjacent magnetic core bar (17) by annulus (6) and magnetic core (5), enter magnetic core finally along external yoke (16)
Bar (17) is internal, forms closed circuit.Housing (3), magnetic core end cap (4), coil upper end lid (7), coil bottom end cover (14), fixation
Plate (15) and baffle (19) are made of un-conducted magnetic material；Magnetic core (5), annulus (6), external yoke (16) and magnetic core bar
(17) it is made of permeability magnetic material.
The present invention has an advantageous effect in that compared with background technology：
（1）The magnetorheological bump leveller of the present invention is equipped with magnetic core in inside, and the outer surface of magnetic core is circumferentially uniformly equipped with 6 magnetic cores
Bar, the other end of magnetic core bar are equipped with magnet exciting coil and external yoke；Installation annulus in the facing groove of magnetic core.Magnetic core end
6 circular through holes of lid, annulus and core toroidal groove floor are aligned with each other, and the liquid stream for collectively constituting magnetorheological fluid is led to
Road.During external vibration, elastic container, which is under pressure, to be deformed, the pressure that the pressure for closing cavity volume I is caused to be more than closing cavity volume II,
The magnetorheological fluid for closing cavity volume I is promoted to enter closing cavity volume II by fluid course；Electric current is passed through to magnet exciting coil at this time to generate
Magnetic field, under magnetic fields, the magnetorheological fluid at fluid course generates controllable damping force, offsets the impact that external vibration generates.
The magnetorheological bump leveller has the characteristics that compact-sized, operating frequency range is wide, continuous controllable.
（2）The magnet exciting coil that the present invention uses is arranged circumferentially, and most of component is in stationary state, therefore can
It is used in finite spatial extent.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is that the magnetic line of force of the present invention moves towards schematic diagram.
Fig. 3 is that magnetorheological fluid of the present invention flows to schematic diagram.
Fig. 4 is core structure schematic diagram of the present invention.
Fig. 5 is magnetic core end cover structure schematic diagram of the present invention.
Fig. 6 is annulus structure diagram of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is schematic structural view of the invention.Mainly include support plate (1), elastic container (2), housing (3), magnetic core end cap (4), iron
Magnetic core (5), annulus (6), coil upper end lid (7), annular backing plate (8), elastic membrane (9), Supporting cover (10), gasket seal
(11), connecting shaft (12), locking nut (13), coil bottom end cover (14), fixed plate (15), external yoke (16), magnetic core bar
(17), magnet exciting coil (18), baffle (19) and fastening gasket (20).
Fig. 2 is that the magnetic line of force of the present invention moves towards schematic diagram.The magnetic line of force that magnet exciting coil (18) generates is interior along magnetic core bar (17)
Portion by the circular through hole (26) on magnetic core (5), annulus (6), annulus (6), then passes through annulus (6) successively
It is internal into adjacent magnetic core bar (17) with magnetic core (5), it is internal into magnetic core bar (17) finally along external yoke (16), it is formed
Closed circuit.
Fig. 3 is that magnetorheological fluid of the present invention flows to schematic diagram.Elastic container (2), housing (3), magnetic core end cap (4) and magnetic core
(5) closing cavity volume I is surrounded between；Closing cavity volume II is surrounded between magnetic core (5), annular backing plate (8) and elastic membrane (9)；Elasticity
Closing cavity volume III is surrounded between film (9) and Supporting cover (10)；It closes in cavity volume I and closing cavity volume II and is full of magnetorheological fluid；Closing
Nitrogen is full of in cavity volume III.During external vibration, elastic container (2), which is under pressure, to be deformed, and the pressure of closing cavity volume I is more than envelope
Cavity volume II pressure is closed, promotes magnetorheological fluid by closing cavity volume I successively by the circular through hole (26) of magnetic core end cap (4), annular sleeve
The circular through hole (27) of cylinder (6) and the circular through hole (22) of magnetic core (5) enter in closing cavity volume II；When external pressure is removed
When, magnetorheological fluid is by closing cavity volume II successively by the circular through hole (22) of magnetic core (5), the circular through hole of annulus (6)
(27) and the circular through hole of magnetic core end cap (4) (26) enters in closing cavity volume I.
Fig. 4 is core structure schematic diagram of the present invention.Magnetic core (5) upper surface is machined with annular groove (21), with annulus (6)
It is attached；Magnetic core (5) annular groove (21) bottom surface is circumferentially uniformly machined with 6 circular through holes (22), as magnetorheological fluid
One of passage；Magnetic core (5) outer surface is circumferentially uniformly machined with 6 circular through holes (24), with magnetic core bar (17) outer surface into the ranks
Gap coordinates；Hole (23) is threaded among magnetic core (5) upper surface, be screwed being connected with screw.
Fig. 5 is magnetic core end cap schematic diagram of the present invention.Magnetic core end cap (4) end face is machined with annular groove (25), with annular sleeve
Cylinder (6) is attached；The end face of magnetic core end cap (4) is circumferentially uniformly machined with 6 circular through holes (26), as the logical of magnetorheological fluid
One of road.
Fig. 6 is annulus structure diagram of the present invention.Annulus (6) end face is circumferentially uniformly machined with 6 circles and leads to
Hole (27), respectively with 6 circular through holes (26) of magnetic core end cap (4) end face and 6 circles of magnetic core (5) annular groove (21) bottom surface
Shape through hole (22) is aligned with each other, collectively constitutes the fluid course of magnetorheological fluid.
Operation principle of the present invention is as follows：
Magnetic core (5) is installed inside magnetorheological bump leveller, the outer surface of magnetic core (5) is circumferentially uniformly equipped with 6 magnetic core bars
(17), the other end of magnetic core bar (17) is equipped with magnet exciting coil (18) and external yoke (16)；Peace in the facing groove of magnetic core (5)
Equipped with annulus (6), annulus (6) has higher magnetic conductivity.During external vibration, elastic container (2) is under pressure generation
Deformation, the pressure of closing cavity volume I are more than closing cavity volume II pressure, magnetorheological fluid are promoted to pass through magnetic core end successively by closing cavity volume I
The circular through hole (22) for covering the circular through hole (26) of (4), the circular through hole (27) of annulus (6) and magnetic core (5) enters envelope
It closes in cavity volume II；Current induced magnetic field is passed through to magnet exciting coil (18) at this time, under the influence of a magnetic field, at fluid course
Magnetic rheology effect occurs for magnetorheological fluid, generates controllable damping force, so as to offset the impact of external vibration generation, plays absorbing work
With.
Claims (4)
1. a kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements, it is characterised in that including：Support plate (1), bullet
Property shell (2), housing (3), magnetic core end cap (4), magnetic core (5), annulus (6), coil upper end lid (7), annular backing plate (8), bullet
Property film (9), Supporting cover (10), gasket seal (11), connecting shaft (12), locking nut (13), coil bottom end cover (14), fixed plate
(15), external yoke (16), magnetic core bar (17), magnet exciting coil (18), baffle (19) and fastening gasket (20)；Support plate (1)
Lower end is machined with rectangle line, and processing is fluted inside elastic container (2)；Support plate (1) is with elastic container (2) by inlaying fixed company
It connects；Elastic container (2) is fastenedly connected with housing (3) by screw and fastening gasket (20)；Housing (3) upper surface center processes
There is circular through hole；Housing (3) lower face is machined with circular trough；Housing (3) circular trough bottom surface closely connects with magnetic core (5) upper surface
It touches；Housing (3) circular trough inner surface and ferromagnetic core (5) outer surface clearance fit, and pass through sealing ring and be sealed；Housing (3)
Outer surface is circumferentially uniformly machined with 6 circular through holes, 6 circular through holes respectively with 6 magnetic core bar (17) circumferential outer surface interference
Cooperation；Magnetic core end cap (4) lower face is machined with annular groove (25), and annular groove (25) bottom surface and annulus (6) upper surface are close
Contact；6 equally distributed circular through holes (26) are machined on magnetic core end cap (4) end face, are machined on annulus (6) end face
6 equally distributed circular through holes (27)；The end face of magnetic core (5) is machined with annular groove (21), annular groove (21) bottom surface and annular
Sleeve (6) lower face is in close contact；Annular groove (21) bottom surface of magnetic core (5) is machined with 6 circular through holes uniformly respectively
(22)；Circular through hole (26), circular through hole (27) and circular through hole (22) are in axial direction aligned with each other, collectively constitute magnetorheological
The fluid course of liquid；Magnetic core end cap (4) is fastenedly connected with magnetic core (5) by screw；Magnetic core (5) outer surface is circumferentially uniformly machined with
6 round holes (24) are in close contact respectively with one end outer surface of 6 magnetic core bars (17)；Magnetic core (5) lower face and annular backing plate
(8) upper surface is in close contact；Annular backing plate (8) lower face is in close contact with elastic membrane (9) upper surface；Elastic membrane (9) lower face
It is in close contact with Supporting cover (10) upper surface；Supporting cover (10) upper surface is machined with annular groove, table in Supporting cover (10) annular groove
Face coordinates with housing (3) internal surface gaps, and passes through sealing ring and be sealed；Supporting cover (10) annular groove bottom and housing (3)
Lower face contacts；Supporting cover (10) is fixedly connected with housing (3) by screw；Supporting cover (10) lower face is machined with circle
Through hole；Connecting shaft (12) lower end outer surface coordinates with Supporting cover (10) lower face circular through hole internal surface gaps, and passes through sealing
Gasket (11) and locking nut (13) are locked；One end of baffle (19) is contacted with housing (3) outer surface；Baffle (19)
Circular through hole is machined with, with magnetic core bar (17) outer surface clearance fit；One end of magnetic core bar (17) is threaded；Fixed plate
(15) center is threaded hole, and fixed plate (15) is threadably secured with magnetic core bar (17) and is connected；Magnet exciting coil (18) is wound
In groove between fixed plate (15) and baffle (19)；The outer surface of fixed plate (15), magnet exciting coil (18) and baffle (19)
It is in close contact respectively with the groove surface of coil upper end lid (7) and coil bottom end cover (14)；The inner surface and magnetic of external yoke (16)
One end of core bar (17) is in close contact, and outer surface and coil bottom end cover (14) groove inner surface of external yoke (16) closely connect
It touches；Coil upper end lid (7) upper surface is in close contact with housing (3) protruding end lower face；Coil upper end lid (7) and coil bottom end cover
(14) it is bolted to connection；Coil bottom end cover (14) lower face is in close contact with Supporting cover (10) upper surface.
2. a kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements according to claim 1, feature exist
In：Closing cavity volume I is surrounded between elastic container (2), housing (3), magnetic core end cap (4) and magnetic core (5)；Magnetic core (5), annular backing plate
(8) and between elastic membrane (9) closing cavity volume II is surrounded；Closing cavity volume III is surrounded between elastic membrane (9) and Supporting cover (10)；
It closes in cavity volume I and closing cavity volume II and is full of magnetorheological fluid；It closes and nitrogen is full of in cavity volume III；During external vibration, elastic container
(2) it is under pressure and is deformed, the pressure of closing cavity volume I is more than closing cavity volume II pressure, promotes magnetorheological fluid by closing cavity volume I
Pass through circular through hole (26), the circular through hole (27) of annulus (6) and the circle of magnetic core (5) of magnetic core end cap (4) successively
Through hole (22) enters in closing cavity volume II；When external pressure is removed, magnetorheological fluid passes through magnetic core (5) successively by closing cavity volume II
Circular through hole (22), annulus (6) circular through hole (27) and magnetic core end cap (4) circular through hole (26) into closing
In cavity volume I.
3. a kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements according to claim 1, feature exist
In：The magnetic line of force that magnet exciting coil (18) generates is internal successively by magnetic core (5), annulus (6), annular along magnetic core bar (17)
Circular through hole (26) on sleeve (6), it is then internal into adjacent magnetic core bar (17) by annulus (6) and magnetic core (5),
It is internal into magnetic core bar (17) finally along external yoke (16), form closed circuit.
4. a kind of magnetorheological bump leveller using multiple magnet exciting coil radial arrangements according to claim 1, feature exist
In：Housing (3), magnetic core end cap (4), coil upper end lid (7), coil bottom end cover (14), fixed plate (15) and baffle (19) be not by
Permeability magnetic material is made；Magnetic core (5), annulus (6), external yoke (16) and magnetic core bar (17) are made of permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100221.4A CN108071731B (en) | 2018-02-01 | 2018-02-01 | Magnetorheological vibration absorber adopting radial arrangement of multiple exciting coils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100221.4A CN108071731B (en) | 2018-02-01 | 2018-02-01 | Magnetorheological vibration absorber adopting radial arrangement of multiple exciting coils |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108071731A true CN108071731A (en) | 2018-05-25 |
| CN108071731B CN108071731B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810100221.4A Active CN108071731B (en) | 2018-02-01 | 2018-02-01 | Magnetorheological vibration absorber adopting radial arrangement of multiple exciting coils |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869611A (en) * | 2018-07-22 | 2018-11-23 | 重庆交通大学 | Passenger vehicle engine multi-mode magnetic rheological isolator |
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