CN206545666U - The twin coil MR damper of effective damping gap length can be extended - Google Patents
The twin coil MR damper of effective damping gap length can be extended Download PDFInfo
- Publication number
- CN206545666U CN206545666U CN201720167068.8U CN201720167068U CN206545666U CN 206545666 U CN206545666 U CN 206545666U CN 201720167068 U CN201720167068 U CN 201720167068U CN 206545666 U CN206545666 U CN 206545666U
- Authority
- CN
- China
- Prior art keywords
- disk
- magnetic conductive
- damper
- end cap
- left end
- 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.)
- Expired - Fee Related
Links
Landscapes
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of twin coil MR damper for extending effective damping gap length, mainly by piston rod, reel, magnetic conductive disk, magnetic conductive board, magnetism-isolating loop, constitute every disk, attenuator end cap and damper cylinder body etc..The rectangular recess of piston head two ends processing constitutes two sections of axial effective damping gaps with reel；Two magnetic conductive disks are distributed in piston head two ends, respectively constitute radial direction effective clearance and axial effective clearance.Two magnet exciting coils are respectively wound around in the winding slot on reel periphery and piston head.When being powered to magnet exciting coil, the magnetic flow liquid viscosity increase of effective damping gap location, the yield strength increase of damper, and control the output of damping force by changing input current size；Due to the presence of radial direction damping clearance and axial damping clearance, fluid course effective damping length is added, damper axial dimension is reduced.It is particularly suitable for use in the industry fields such as vehicle and bridge.
Description
Technical field
The utility model is related to a kind of MR damper, more particularly to a kind of pair for extending effective damping gap length
Coil MR damper.
Background technology
MR damper is as a kind of intelligent device, and it is using magnetic flow liquid as working media, with low-power consumption, damping
Power adjustable extent is wide, the response time is fast and it is simple in construction the features such as.It is Millisecond response speed that MR damper has, big
The characteristics of control range and big damping force are exported so that it turns into half outstanding active actuators part of industrial application.At present,
MR damper has been widely used vibration damping vibration prevention system, rail vehicles and the automobile suspension system in building and bridge
Vibration damping in terms of.
In order to obtain larger output damping force, twin coil or multi-coil knot are typically used for Design of MR dampers
Structure, but can so increase MR damper axial length, be not suitable for installing and using in the limited space of some sizes.
Publication No. CN102278409A Chinese invention patent " a kind of twin coil piston magnetic damper ", by piston
Axially arranged two winding slots, two magnet exciting coils are respectively wound around in two winding slots, and by two coil differential concatenations,
Although can so improve the mechanical property of MR damper, axially arranged two wire casings add the axial direction of damper
Magnetic flow liquid passage at length, and two sections of magnet exciting coil length is constantly in magnetic field non-productive work area.
Based on this, it is necessary to propose a kind of twin coil MR damper for extending effective damping gap length, and
Piston head periphery is machined with rectangular recess, and larger output damping force can be obtained in limited installing space, to meet
Engineer applied occasion under special mounting environment.
The content of the invention
In order to overcome the problem of twin coil MR damper is present described in background technology and meet MR damper
Actual operation requirements, the utility model provides a kind of twin coil MR damper for extending effective damping gap length.Should
Damper is provided with the magnet exciting coil being arranged in parallel inside and outside two, and magnet exciting coil I is wrapped in piston head in line groove, excitation wire
Circle II is wrapped in reel periphery；Magnetic isolation plate is arranged on the two ends of piston head, and magnetism-isolating loop is arranged on the two ends of reel, and both are total to
The magnetic field produced with two coils of barrier interacts；Under the magnetic fields that two magnet exciting coils are produced, magnetic conductive board I right-hand member
The liquid that the fluid course and magnetic conductive disk II right side and magnetic conductive board II left side that face and magnetic conductive disk I left side are constituted are constituted
Circulation road is used as radial direction effective damping gap；The fluid course of magnetic conductive disk I four waist row through holes composition, the left and right end of piston head
The fluid course that the fluid course and magnetic conductive disk II four waist row through holes constituted with coiling tube inner surface is constituted is used as axial direction
Effective damping gap；Thus, the effective damping passage of the MR damper is divided into radial and axial, increases the magnetorheological damping
The effective damping passage length of device；When being passed through certain electric current to magnet exciting coil, the magnetic field of generation causes effective damping gap location
Magnetic flow liquid solid is changed into from Newtonian fluid, add the rectangular recess of piston head two ends processing, yield stress strengthens, make therewith
The closing cavity volume I and closing cavity volume II for obtaining piston head two ends form larger pressure differential；The electricity of magnet exciting coil is passed through by regulation
Flow size, thus it is possible to vary the yield stress of effective damping gap location magnetic flow liquid, reach required yield stress.It is defeated by controlling
Enter the size of electric current, effective control of output damping force can be achieved.The magnet exciting coil of parallel distribution in this kind of structure design, reduces
The axial dimension of damper；The increase of effective damping passage takes full advantage of the magnetic field of coil generation again；Further, since piston
Head left and right ends are machined with rectangular recess respectively so that the coefficient of friction increase of fluid course, operationally this can not only be obtained
Larger output damping force is obtained, and the null field damping force of damper can also be improved so that damper is defeated in no electric current
It is fashionable to play a protective role.
The utility model, which solves the technical scheme that its technical problem used, to be included：Left hanger (1), piston rod (2), lead
Magnetic sheet I (3), magnetic conductive disk I (4), reel (5), magnet exciting coil I (6), magnet exciting coil II (7), piston head (8), magnetic conductive disk II
(9), magnetic conductive board II (10), piston head right end cap (11), floating piston (12), right hanger (13), damper right end cap (14),
Counterbalance spring (15), magnetism-isolating loop II (16), every disk II (17), inner sleeve (18), every disk I (19), magnetism-isolating loop I (20), living
Chock plug left end cap (21), damper cylinder body (22) and damper left end cap (23)；Piston rod (2) left end leads to left hanger (1)
Screw is crossed to be fastenedly connected；Manhole, piston rod (2) and damper left end cap are machined with the middle of damper left end cap (23)
(23) manhole internal surface gaps coordinate；Piston rod (2) passes through sealing with damper left end cap (23) manhole inner surface
Circle is sealed；Damper left end cap (23) is fixedly connected with damper cylinder body (22) by screw；Damper left end cap (23)
Sealed between damper cylinder body (22) by sealing ring；The right-hand member periphery of piston rod (2) is radially machined with one and led to
Hole, its axial direction is machined with a deep hole, and radial direction through hole is connected with axial deep hole, can as magnetic flow liquid access way；Piston rod
(2) right-hand member is machined with external screw thread, and piston head left end cap (21) center is threaded through hole, and piston rod (2) is left with piston head
End cap (21) is threadably secured connection；Piston head left end cap (21) is fixedly connected with inner sleeve (18) by screw；Piston head
Left end cap (21) is sealed with inner sleeve (18) by sealing ring；The outer surface of inner sleeve (18) and damper cylinder body (22)
Internal surface gaps coordinate, and inner sleeve (18) is sealed with damper cylinder body (22) by sealing ring；Magnetic conductive board I (3) center adds
Work has tapped through hole, and magnetic conductive board I (3) is threadably secured with piston rod (2) and is connected, magnetic conductive board I (3) left ends and piston head left end
Cover the contact of (21) right-hand member；Magnetic conductive board I (3) outer surfaces and inner sleeve (18) inner surface interference fits；Magnetic conductive board I (3) right-hand member is processed
There is boss rank, the top surface of boss rank constitutes the passage A of magnetic flow liquid with magnetic conductive disk I (4) left side；The periphery of step with every magnetic
Ring I (20) inner headed face interference fits；Magnetic conductive board I (3) right-hand member boss bottom surface is contacted with magnetism-isolating loop I (20) left side；Magnetism-isolating loop I
(20) outer surface and inner sleeve (18) inner surface interference fits；Magnetism-isolating loop I (20) right-hand member is machined with an annular groove, reel
(5) shaft shoulder is machined with respectively inside and outside left end；The left part of reel (5) is stuck in magnetism-isolating loop I (20) right-hand member annular groove；Magnetic conduction
Disk I (4) left end is contacted with magnetism-isolating loop I (20) right-hand member；Magnetic conductive disk I (4) outer surfaces and reel (5) left end inner surface transition
Coordinate；Magnetic conductive disk I (4) is axially machined with 4 waist through hole being arranged circumferentially B, C, D and E, is used as magnetic flow liquid passage
A part；Magnetic conductive disk I (4) right-hand members are contacted with every disk I (19) left end；It is uniform that axially 4 circumferences are machined with every disk I (19)
Waist through hole F, G, H and I of arrangement, are used as a part for magnetic flow liquid passage；It is left every disk I (19) right-hand members and reel (5)
Inner shaft shoulder grafting is held to touch；Magnetic conductive disk I (4) every disk I (19) with passing through the shaft shoulder inside magnetism-isolating loop I (20) and reel (5) left end
Carry out axial restraint；Process fluted every disk I (19) right side, piston head (8) left end is machined with boss, piston head (8) is left
Boss is held to be arranged on every disk I (19) right-hand member groove；Piston head (8) left end and right-hand member are machined with 3 rectangular recess, piston respectively
(8) are central axial is machined with through hole for head；Piston head (8) outer surface coordinates with reel (5) internal surface gaps；Piston head (8) is right
End is machined with a boss, processes fluted every disk II (17) left side, and the right-hand member boss of piston head (8) is arranged on every disk II
(17) in left end groove；Every disk II (17) with being used for fixed piston head (8) jointly every disk I (19)；Every disk II's (17)
4 waist through hole being arranged circumferentially J, K, L and M axially are machined with, a part for magnetic flow liquid passage is used as；Reel
(5) right-hand member surfaces externally and internally is machined with the shaft shoulder respectively；Connect every the right-hand member inner surface shaft shoulder of disk II (17) left ends and reel (5)
Touch；Every disk II (17) outer surfaces and the right-hand member inner surface interference fits of reel (5)；Every disk II (17) right-hand members and magnetic conductive disk
II (9) left end contact；Magnetic conductive disk II (9) right-hand member is contacted with magnetism-isolating loop II (16) left end；Magnetic conductive disk II (9) is axially machined with
4 waist through hole N, O, P and Q for being arranged circumferentially, are used as a part for magnetic flow liquid passage；Magnetic conductive disk II (9) outer surface
With reel (5) right-hand member inner surface interference fits；Magnetic conductive disk II (9) every disk II (17) with passing through table in reel (5) right-hand member
The face shaft shoulder and magnetism-isolating loop II (16) axial restraint；Magnetism-isolating loop II (16) left side is machined with annular groove, reel (5) right part
It is stuck in magnetism-isolating loop II (16) left end annular groove；Magnetism-isolating loop II (16) outer surfaces and inner sleeve (18) inner surface interference fits；
Magnetic conductive board II (10) left part is machined with boss, and magnetic conductive board II (10) boss bottom surface is contacted and boss with magnetism-isolating loop II (16) right-hand member
Top surface and magnetic conductive disk II (9) left end composition magnetic flow liquid passage R；Magnetic conductive board II (10) outer surfaces and inner sleeve (18) inner surface mistake
Cross cooperation；Magnetic conductive board II (10) is central axial to be machined with through hole, is used as the passage portion of magnetic flow liquid；Magnetic conductive board II (10) right-hand member
Contacted with piston head right end cap (11) left end；Piston head right end cap (11) is central axial to be machined with through hole, is used as magnetic flow liquid
Passage portion；Piston head right end cap (11) is fixedly connected with inner sleeve (18) by screw；Piston head right end cap (11) and inner sleeve
Cylinder (18) is sealed by sealing ring；Match somebody with somebody with damper cylinder body (22) internal surface gaps the outer surface of piston head right end cap (11)
Close；Floating piston (12) coordinates with damper cylinder body (22) internal surface gaps, and is sealed by sealing ring；Damper right-hand member
Lid (14) is fixed with damper cylinder body (22) by screw；Damper right end cap (14) is with damper cylinder body (22) by close
Seal is sealed；Damper right end cap (14) left end center processes fluted, damper right end cap (14) and floating piston
(12) counterbalance spring (15) is connected between；Damper right end cap (14) right-hand member is connected through a screw thread with right hanger (13)；Excitation
Coil I (6) is wrapped in piston head (8) in line groove, and magnet exciting coil II (7) is wrapped on the periphery of reel (5).Resistance
Closing cavity volume I is surrounded between Buddhist nun's device left end cap (23), piston head left end cap (21) and damper cylinder body (22)；Piston head right-hand member
Closing cavity volume II is surrounded between lid (11), damper cylinder body (22) and floating piston (12)；Floating piston (12), damper cylinder
Closing cavity volume III is surrounded between body (22) and damper right end cap (14)；Close filling magnetic in cavity volume I and closing cavity volume II
Rheology liquid；Close filling compressed gas in cavity volume III.Magnetic conductive board I (3), magnetic conductive disk I (4), reel (5), piston head (8),
Magnetic conductive disk II (9), magnetic conductive board II (10), (18 are made inner sleeve by permeability magnetic material；Piston rod (2), piston head right end cap
(11), magnetism-isolating loop II (16), every disk II (17), every disk I (19), magnetism-isolating loop I (20), piston head left end cap (21) by not
Permeability magnetic material is made.
The utility model has an advantageous effect in that compared with background technology：
(1) two sections of piston head of the utility model MR damper or so is machined with 3 rectangular recess, when magnetorheological
When liquid flows through groove, because the presence of groove causes the coefficient of friction of damp channel to increase；So that MR damper is zero
Larger damping force can be exported during field, protects damper to bear external pressure when not working.
(2) the utility model MR damper by two magnet exciting coils be wound in respectively on reel and piston head on
In winding slot, the effective coverage of the new structure is respectively distributed to axially and radially；With the conventional magnetic current with twin coil of connecting
Mutative damp device is compared, and the effective length of the MR damper of the new structure not only magnetic fields increases, and inefficient length is by original
Two come are changed into one, obtain larger controllable damping force；And inside and outside the parallel distribution of magnet exciting coil, consequently reduce it
Axial dimension so that the new structure can work in limited region.
(3) be designed with the utility model MR damper four every magnetic device be respectively magnetism-isolating loop I, every disk I, every
Disk II, magnetism-isolating loop II, this design ensure that the magnetic field that two magnet exciting coils are produced is not interfere with each other, improve MR damper
Operating efficiency.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
It is the utility model magnet exciting coil lead schematic diagram shown in Fig. 2.
Fig. 3 is the magnetic line of force distribution schematic diagram of the utility model excitation coil.
Fig. 4 is the utility model magnetic flow liquid fluid course schematic diagram.
It is the utility model piston head schematic diagram shown in Fig. 5.
It is the utility model shown in Fig. 6 every disk I schematic diagrames.
It is the utility model shown in Fig. 7 every disk II schematic diagrames.
It is the utility model magnetic conductive disk I schematic diagrames shown in Fig. 8.
It is the utility model magnetic conductive disk II schematic diagrames shown in Fig. 9.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in figure 1, the utility model include left hanger (1), piston rod (2), magnetic conductive board I (3), magnetic conductive disk I (4), around
Spool (5), magnet exciting coil I (6), magnet exciting coil II (7), piston head (8), magnetic conductive disk II (9), magnetic conductive board II (10), piston head
Right end cap (11), floating piston (12), right hanger (13), damper right end cap (14), counterbalance spring (15), magnetism-isolating loop II
(16), every disk II (17), inner sleeve (18), every disk I (19), magnetism-isolating loop I (20), piston head left end cap (21), damper
Cylinder body (22) and damper left end cap (23).
It is the utility model magnet exciting coil lead schematic diagram shown in Fig. 2.The MR damper magnet exciting coil I (6) twines
In the groove for being wound on piston head (8), magnet exciting coil II (7) is wrapped on the periphery of reel (5)；Magnet exciting coil I (6) is with encouraging
Magnetic coil II (7) is connected in series；Magnet exciting coil I (6) two leads sequentially pass through fairlead (102) on piston head (8),
Fairlead on the fairlead (103) on disk I (19), the fairlead (104) on magnetic conductive disk I (4) and reel (5)
(105), it is connected in series with magnet exciting coil II (7)；Magnet exciting coil II (7) two leads X, Y sequentially pass through magnetism-isolating loop I
(20) corresponding fairlead (106) on, corresponding fairlead (107) and fairlead (108) on magnetic conductive board I (3), via piston head
Corresponding fairlead (109) is drawn on left end cap (21), then via corresponding fairlead on piston rod (2) and left hanger (1)
Draw.
It is that the utility model encourages coil magnetic line of force distribution schematic diagram shown in Fig. 3.The MR damper magnet exciting coil by
Two coils composition, magnet exciting coil I (6) be wrapped on piston head (8) in line groove, magnet exciting coil II (7) be wrapped in around
On the periphery of spool (5)；Magnet exciting coil I (6) produces the magnetic line of force and starts from piston head (8) magnetic core, through piston head (8) left end,
Enter reel (5) by left end magnetic flow liquid passage, secondly pass through right-hand member magnetic flow liquid passage, into piston head (8) right-hand member
Piston head (8) magnetic core is finally returned back to, closed-loop path is formed；The magnetic line of force that magnet exciting coil II (7) is produced starts from reel (5) wall
It is interior, radially into magnetic conductive disk II (9) and then pass perpendicularly through the kidney-shaped magnetic flow liquid passage on magnetic conductive disk II (9) and be again introduced into and lead
Disk II (9), secondly enters magnetic conductive board II (10) through magnetic flow liquid passage R, radially enters then along inner sleeve (18) wall thickness
Enter magnetic conductive board I (3), and enter magnetic conductive disk I (4) through magnetic flow liquid passage A, and then radially perpendicular through on magnetic conductive disk I (4)
Kidney-shaped magnetic flow liquid passage and again pass by magnetic conductive disk I (4), finally return back in reel (5) wall thickness, formation close back
Road.
Magnetic flow liquid fluid course schematic diagram when being the utility model piston rod Tensile shown in Fig. 4.Damper left end cap
(23) closing cavity volume I, is surrounded between piston head left end cap (21) and damper cylinder body (22)；Piston head right end cap (11), resistance
Closing cavity volume II is surrounded between Buddhist nun's device cylinder body (22) and floating piston (12)；Floating piston (12), damper cylinder body (22) with
And closing cavity volume III is surrounded between damper right end cap (14)；Close filling magnetic flow liquid in cavity volume I and closing cavity volume II；Envelope
Close filling compressed gas in cavity volume III；When piston rod (2) in axial direction Tensile, the magnetic flow liquid warp in cavity volume I is closed
The magnetic flow liquid manhole appendix of piston rod (2) is crossed, into magnetic flow liquid passage A；By magnetic conductive disk I (4) waist through hole B, C, D and
E and waist through hole F, G, H and I every disk I (19), the magnetic current constituted into piston head (8) and reel (5) inner surface
Become liquid passage, and then enter back into every disk II (17) waist through hole J, K, L and M and magnetic conductive disk II (9) waist through hole N,
O, P and Q, then by magnetic flow liquid passage R, eventually pass magnetic conductive board II (10) central axial through hole and piston head right end cap
(11) central axial through hole flows into closing cavity volume II；When piston rod (2) is in axial direction moved, closing cavity volume I and closing cavity volume
Respective change can occur for II volume, and now floating piston (12) and counterbalance spring (15) can be transported by the left and right of axial direction
Move to realize volume compensation.
It is the utility model piston head schematic diagram shown in Fig. 5.The left and right ends of piston head (8) are machined with 3 rectangles respectively
Groove.
It is the utility model shown in Fig. 6 every disk I schematic diagrames.It is arranged circumferentially every being machined with 4 on disk I (19) axle
Waist through hole F, G, H and I, be used as a part for magnetic flow liquid passage.
It is the utility model shown in Fig. 7 every disk II schematic diagrames.Every being machined with 4 uniform cloth of circumference on disk II (17) axle
Waist through hole J, K, L and the M put, is used as a part for magnetic flow liquid passage.
It is the utility model magnetic conductive disk I schematic diagrames shown in Fig. 8.Magnetic conductive disk I (4) axial direction is machined with 4 uniform cloth of circumference
The kidney-shaped put leads to B, C, D and E through hole, is used as a part for magnetic flow liquid passage.
It is the utility model magnetic conductive disk II schematic diagrames shown in Fig. 9.It is uniform that magnetic conductive disk II (9) axial direction is machined with 4 circumferences
Waist through hole N, O, P and Q of arrangement, are used as a part for magnetic flow liquid passage.
Utility model works principle is as follows：
When being passed through certain electric current to magnet exciting coil I (6) and magnet exciting coil II (7), two coils produce corresponding magnetic field,
Under the influence of a magnetic field, the magnetic flow liquid of effective damping gap location is changed into solid from Newtonian fluid, adds piston head (8) two ends and adds
The rectangular recess of work, improves the coefficient of friction of fluid course, and yield stress strengthens therewith so that the envelope at piston head (8) two ends
Close cavity volume I and closing cavity volume II formation pressure differentials；The size of current of magnet exciting coil is passed through by regulation, thus it is possible to vary effective damping
The yield stress of gap location magnetic flow liquid, reaches required yield stress.
Claims (3)
1. a kind of twin coil MR damper for extending effective damping gap length, it is characterised in that including：Left hanger
(1), piston rod (2), magnetic conductive board I (3), magnetic conductive disk I (4), reel (5), magnet exciting coil I (6), magnet exciting coil II (7), piston
Head (8), magnetic conductive disk II (9), magnetic conductive board II (10), piston head right end cap (11), floating piston (12), right hanger (13), damping
Device right end cap (14), counterbalance spring (15), magnetism-isolating loop II (16), every disk II (17), inner sleeve (18), every disk I (19), every
Magnet ring I (20), piston head left end cap (21), damper cylinder body (22) and damper left end cap (23)；Piston rod (2) left end with
Left hanger (1) is fastenedly connected by screw；Manhole, piston rod (2) and damping are machined with the middle of damper left end cap (23)
Device left end cap (23) manhole internal surface gaps coordinate；Piston rod (2) and damper left end cap (23) manhole inner surface
Sealed by sealing ring；Damper left end cap (23) is fixedly connected with damper cylinder body (22) by screw；Damper is left
Sealed between end cap (23) and damper cylinder body (22) by sealing ring；The right-hand member periphery of piston rod (2) is radially processed
Have a through hole, its axial direction is machined with a deep hole, radial direction through hole is connected with axial deep hole, can as magnetic flow liquid access way；
The right-hand member of piston rod (2) is machined with external screw thread, and piston head left end cap (21) center is threaded through hole, and piston rod (2) is with living
Chock plug left end cap (21) is threadably secured connection；Piston head left end cap (21) is fixedly connected with inner sleeve (18) by screw；
Piston head left end cap (21) is sealed with inner sleeve (18) by sealing ring；The outer surface of inner sleeve (18) and damper cylinder body
(22) internal surface gaps coordinate, and inner sleeve (18) is sealed with damper cylinder body (22) by sealing ring；In magnetic conductive board I (3)
The heart is threaded through hole, and magnetic conductive board I (3) is threadably secured with piston rod (2) and is connected, magnetic conductive board I (3) left ends and piston head
Left end cap (21) right-hand member is contacted；Magnetic conductive board I (3) outer surfaces and inner sleeve (18) inner surface interference fits；Magnetic conductive board I (3) right-hand member
Boss rank is machined with, the top surface of boss rank constitutes the passage A of magnetic flow liquid with magnetic conductive disk I (4) left side；The periphery of step with
Magnetism-isolating loop I (20) inner headed face interference fits；Magnetic conductive board I (3) right-hand member boss bottom surface is contacted with magnetism-isolating loop I (20) left side；Every magnetic
Ring I (20) outer surfaces and inner sleeve (18) inner surface interference fits；Magnetism-isolating loop I (20) right-hand member is machined with an annular groove, coiling
The shaft shoulder is machined with respectively inside and outside cylinder (5) left end；The left part of reel (5) is stuck in magnetism-isolating loop I (20) right-hand member annular groove；Lead
Disk I (4) left end is contacted with magnetism-isolating loop I (20) right-hand member；Magnetic conductive disk I (4) outer surfaces and reel (5) left end inner surface transition
Coordinate；Magnetic conductive disk I (4) is axially machined with 4 waist through hole being arranged circumferentially B, C, D and E, is used as magnetic flow liquid passage
A part；Magnetic conductive disk I (4) right-hand members are contacted with every disk I (19) left end；Axially 4 uniform cloth of circumference are machined with every disk I (19)
Waist through hole F, G, H and the I put, is used as a part for magnetic flow liquid passage；Every disk I (19) right-hand members and reel (5) left end
Inner shaft shoulder grafting is touched；Magnetic conductive disk I (4) every disk I (19) by the shaft shoulder inside magnetism-isolating loop I (20) and reel (5) left end with being entered
Row axial restraint；Process fluted every disk I (19) right side, piston head (8) left end is machined with boss, piston head (8) left end
Boss is arranged on every disk I (19) right-hand member groove；Piston head (8) left end and right-hand member are machined with 3 rectangular recess respectively；Piston head
(8) it is central axial to be machined with through hole；Piston head (8) outer surface coordinates with reel (5) internal surface gaps；Piston head (8) right-hand member
A boss is machined with, processes fluted every disk II (17) left side, the right-hand member boss of piston head (8) is arranged on every disk II
(17) in left end groove；Every disk II (17) with being used for fixed piston head (8) jointly every disk I (19)；Every disk II's (17)
4 waist through hole being arranged circumferentially J, K, L and M axially are machined with, a part for magnetic flow liquid passage is used as；Reel
(5) right-hand member surfaces externally and internally is machined with the shaft shoulder respectively；Connect every the right-hand member inner surface shaft shoulder of disk II (17) left ends and reel (5)
Touch；Every disk II (17) outer surfaces and the right-hand member inner surface interference fits of reel (5)；Every disk II (17) right-hand members and magnetic conductive disk
II (9) left end contact；Magnetic conductive disk II (9) right-hand member is contacted with magnetism-isolating loop II (16) left end；Magnetic conductive disk II (9) is axially machined with
4 waist through hole N, O, P and Q for being arranged circumferentially, are used as a part for magnetic flow liquid passage；Magnetic conductive disk II (9) outer surface
With reel (5) right-hand member inner surface interference fits；Magnetic conductive disk II (9) every disk II (17) with passing through table in reel (5) right-hand member
The face shaft shoulder and magnetism-isolating loop II (16) axial restraint；Magnetism-isolating loop II (16) left side is machined with annular groove, reel (5) right part
It is stuck in magnetism-isolating loop II (16) left end annular groove；Magnetism-isolating loop II (16) outer surfaces and inner sleeve (18) inner surface interference fits；
Magnetic conductive board II (10) left part is machined with boss, and magnetic conductive board II (10) boss bottom surface is contacted and boss with magnetism-isolating loop II (16) right-hand member
Top surface and magnetic conductive disk II (9) left end composition magnetic flow liquid passage R；Magnetic conductive board II (10) outer surfaces and inner sleeve (18) inner surface mistake
Cross cooperation；Magnetic conductive board II (10) is central axial to be machined with through hole, is used as the passage portion of magnetic flow liquid；Magnetic conductive board II (10) right-hand member
Contacted with piston head right end cap (11) left end；Piston head right end cap (11) is central axial to be machined with through hole, is used as magnetic flow liquid
Passage portion；Piston head right end cap (11) is fixedly connected with inner sleeve (18) by screw；Piston head right end cap (11) and inner sleeve
Cylinder (18) is sealed by sealing ring；Match somebody with somebody with damper cylinder body (22) internal surface gaps the outer surface of piston head right end cap (11)
Close；Floating piston (12) coordinates with damper cylinder body (22) internal surface gaps, and is sealed by sealing ring；Damper right-hand member
Lid (14) is fixed with damper cylinder body (22) by screw；Damper right end cap (14) is with damper cylinder body (22) by close
Seal is sealed；Damper right end cap (14) left end center processes fluted, damper right end cap (14) and floating piston
(12) counterbalance spring (15) is connected between；Damper right end cap (14) right-hand member is connected through a screw thread with right hanger (13)；Excitation
Coil I (6) is wrapped in piston head (8) in line groove, and magnet exciting coil II (7) is wrapped on the periphery of reel (5).
2. a kind of twin coil MR damper for extending effective damping gap length according to claim 1, it is special
Levy and be：Closing cavity volume I is surrounded between damper left end cap (23), piston head left end cap (21) and damper cylinder body (22)；
Closing cavity volume II is surrounded between piston head right end cap (11), damper cylinder body (22) and floating piston (12)；Floating piston
(12) closing cavity volume III, is surrounded between damper cylinder body (22) and damper right end cap (14)；Close cavity volume I and closing is held
Filling magnetic flow liquid in chamber II；Close filling compressed gas in cavity volume III.
3. a kind of twin coil MR damper for extending effective damping gap length according to claim 1, it is special
Levy and be：It is magnetic conductive board I (3), magnetic conductive disk I (4), reel (5), piston head (8), magnetic conductive disk II (9), magnetic conductive board II (10), interior
Sleeve (18) is made by permeability magnetic material；Piston rod (2), piston head right end cap (11), magnetism-isolating loop II (16), every disk II
(17), it is made every disk I (19), magnetism-isolating loop I (20), piston head left end cap (21) by non-magnet_conductible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167068.8U CN206545666U (en) | 2017-02-23 | 2017-02-23 | The twin coil MR damper of effective damping gap length can be extended |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167068.8U CN206545666U (en) | 2017-02-23 | 2017-02-23 | The twin coil MR damper of effective damping gap length can be extended |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206545666U true CN206545666U (en) | 2017-10-10 |
Family
ID=59994169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720167068.8U Expired - Fee Related CN206545666U (en) | 2017-02-23 | 2017-02-23 | The twin coil MR damper of effective damping gap length can be extended |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206545666U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458006A (en) * | 2018-04-07 | 2018-08-28 | 华东交通大学 | The Novel disc-type magnetic rheological brake encouraged using annular permanent magnet and magnet exciting coil |
| CN110953285A (en) * | 2019-12-09 | 2020-04-03 | 广西科技大学 | Stepped mixed type magnetorheological damper |
| WO2020042998A3 (en) * | 2018-08-30 | 2020-05-14 | 南京磁谷科技有限公司 | Composite shaft sleeve structure of magnetic levitation motor rotor |
| CN112539240A (en) * | 2020-10-30 | 2021-03-23 | 中国直升机设计研究所 | Rotor magnetorheological damper piston structure |
| CN113586646A (en) * | 2021-07-27 | 2021-11-02 | 盐城工学院 | Active control device for electromagnetic rheological shock absorber of automobile |
| CN114458715A (en) * | 2022-01-14 | 2022-05-10 | 清华大学 | Magnetorheological damper based on surface texture |
| CN114791026A (en) * | 2021-10-11 | 2022-07-26 | 广西科技大学 | Mixed valve type magnetorheological damper |
| CN115195545A (en) * | 2022-08-02 | 2022-10-18 | 吕梁学院 | Mechanical sliding rail of automobile seat |
| CN115899144A (en) * | 2022-11-10 | 2023-04-04 | 阀源智能科技(杭州)有限公司 | Control valve actuating mechanism damper with damping adjustable function and method thereof |
-
2017
- 2017-02-23 CN CN201720167068.8U patent/CN206545666U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458006A (en) * | 2018-04-07 | 2018-08-28 | 华东交通大学 | The Novel disc-type magnetic rheological brake encouraged using annular permanent magnet and magnet exciting coil |
| CN108458006B (en) * | 2018-04-07 | 2023-10-24 | 华东交通大学 | Disk type magneto-rheological brake excited by annular permanent magnet and exciting coil |
| WO2020042998A3 (en) * | 2018-08-30 | 2020-05-14 | 南京磁谷科技有限公司 | Composite shaft sleeve structure of magnetic levitation motor rotor |
| CN110953285A (en) * | 2019-12-09 | 2020-04-03 | 广西科技大学 | Stepped mixed type magnetorheological damper |
| CN112539240A (en) * | 2020-10-30 | 2021-03-23 | 中国直升机设计研究所 | Rotor magnetorheological damper piston structure |
| CN113586646A (en) * | 2021-07-27 | 2021-11-02 | 盐城工学院 | Active control device for electromagnetic rheological shock absorber of automobile |
| CN114791026A (en) * | 2021-10-11 | 2022-07-26 | 广西科技大学 | Mixed valve type magnetorheological damper |
| CN114791026B (en) * | 2021-10-11 | 2023-05-05 | 广西科技大学 | Mixed valve type magneto-rheological damper |
| CN114458715A (en) * | 2022-01-14 | 2022-05-10 | 清华大学 | Magnetorheological damper based on surface texture |
| CN115195545A (en) * | 2022-08-02 | 2022-10-18 | 吕梁学院 | Mechanical sliding rail of automobile seat |
| CN115899144A (en) * | 2022-11-10 | 2023-04-04 | 阀源智能科技(杭州)有限公司 | Control valve actuating mechanism damper with damping adjustable function and method thereof |
| CN115899144B (en) * | 2022-11-10 | 2023-08-01 | 阀源智能科技(杭州)有限公司 | Control valve actuating mechanism damper with damping adjustable function and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206545666U (en) | The twin coil MR damper of effective damping gap length can be extended | |
| CN105003589B (en) | A kind of built-in magnetorheological valve carries out the MR damper of damping capacity control | |
| CN102003491B (en) | Electromagnetic double-cylinder magneto-rheological damper | |
| CN205260715U (en) | Adopt annular permanent magnet and excitation coil to carry out compound control's magneto rheological damper | |
| CN103534508B (en) | Magneto-rheological damping assembly | |
| CN205118104U (en) | Magneto rheological damper with radial flow and ring flow resistance buddhist nun passageway | |
| CN104963986B (en) | A kind of MR damper with mixed flow dynamic formula fluid course | |
| Ashfak et al. | Design, fabrication and evaluation of MR damper | |
| CN104595412B (en) | Double-barrel structure magneto-rheological vibration damper based on flow pattern | |
| CN204784405U (en) | Magneto rheological damper with mixed flow formula flow channel | |
| CN205118105U (en) | Magneto rheological damper with parallel flow channel | |
| CN206958148U (en) | A kind of new bitubular list goes out pole magnetorheological damper | |
| CN105003585B (en) | Variable cross-section piston magneto-rheological vibroshock | |
| CN200949631Y (en) | Shear flowing type magnetic flow changeable damper | |
| CN108180250A (en) | A kind of built-in magnet valve improves the two-wire ring MR damper of damping capacity | |
| US20020084157A1 (en) | Magneto-rheological damping valve using laminated construction | |
| CN106402256A (en) | Multichannel magnetorheological damper with built-in parallel coils | |
| CN108953467A (en) | A kind of damping clearance adjustable type magnetic rheology damper with series connection fluid course | |
| CN109404476A (en) | A kind of embedded multi-channel shunt runner MR damper | |
| CN107131244A (en) | Magneto-rheological | |
| CN212672298U (en) | Magnetorheological damper with full liquid flow channel structure | |
| CN108302152A (en) | A kind of MR damper with complicated liquid flowing channel structure | |
| CN207750432U (en) | A kind of two-wire ring MR damper of external cooling device | |
| CN205315604U (en) | Built -in magnetic current becomes magnetic current change attenuator that valve carries out control of damping performance | |
| CN209762121U (en) | Novel full-channel winding type magnetorheological damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20180223 |