CN107035807A - A kind of rotary magneto-rheological damper - Google Patents
A kind of rotary magneto-rheological damper Download PDFInfo
- Publication number
- CN107035807A CN107035807A CN201611168363.1A CN201611168363A CN107035807A CN 107035807 A CN107035807 A CN 107035807A CN 201611168363 A CN201611168363 A CN 201611168363A CN 107035807 A CN107035807 A CN 107035807A
- Authority
- CN
- China
- Prior art keywords
- housing
- damping
- rotating shaft
- disc
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/12—Devices with one or more rotary vanes turning in the fluid any throttling effect being immaterial, i.e. damping by viscous shear effect only
-
- 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)
Abstract
The present invention relates to damper, specifically a kind of rotary magneto-rheological damper, the left and right sides of housing is sealedly connected with left and right end cap respectively, and rotating shaft is passed through by left and right end cap and housing successively, and is connected with housing into rotation；Damping disc is placed in housing, and rotated with rotating shaft, damping clearance is left between damping disc and the inner surface of housing, it is provided with housing and is connected with damping clearance, the injection orifice of magnetic flow liquid is injected into damping clearance, the magnetic flow liquid in damping clearance passes through the oil sealing sealing that is set between rotating shaft and housing；The copper band peripheral provided with damping disc is located in housing, and contacted with housing seal, magnet exciting coil is wound with the outer surface of copper band, is the control that the damping torque to damper generation can be achieved by magnet exciting coil.The damping torque of the present invention can realize semi- active control, and control moment scope is wide, and power consumption is few, thus system when working long hours reliability it is high and stably.
Description
Technical field
The present invention relates to damper, specifically a kind of rotary magneto-rheological damper.
Background technology
Existing damper is typically made up of oil cylinder, piston, piston rod, magnetic flow liquid and guide rod, and piston can be in oil cylinder
Do reciprocating linear motion, be provided between aperture or piston and oil cylinder to leave gap and be used as in damping hole, oil cylinder on piston and fill
Magnetic flow liquid.When load, which changes, produces impact, piston linear reciprocating motion in oil cylinder is driven, magnetic flow liquid is passed through piston
On aperture or piston and oil cylinder between gap；Further, it is also possible to strong to change magnetic field by changing the intensity of input current
Degree, and then change the shear yield strength of magnetic flow liquid, realize the control to damping torque.Magnetic flow liquid meeting in this process
Amount of heat is produced, heat energy is converted vibrational energy into, so as to reduce and rapid attenuating structure vibration, the mesh of oscillation damping and energy dissipating is realized
's.
Current MR damper is most of in structure or based on piston rod type, and its length dimension is larger,
Install by volumetric constraint in the place of narrow space.And the poor small-sized damper of damping is used, it is easily caused expanding unit
Position can not reach Vibration Absorption Designing requirement；The characteristic of piston rod straight reciprocating motion is poorly suitable for subtracting for rotary development mechanism again
Center of percussion.
The content of the invention
The above mentioned problem existed for the existing MR damper based on piston rod type, it is an object of the invention to carry
For a kind of rotary magneto-rheological damper.The rotary magneto-rheological damper is applicable in the vibration damping of rotary deployed configuration,
By adjusting magnetic field intensity realization to the semi- active control of damping force, stronger damping can obtain.
The purpose of the present invention is achieved through the following technical solutions：
The present invention includes rotating shaft, left end cap, housing, magnet exciting coil, copper band, damping disc and right end cap, wherein housing
The left and right sides is sealedly connected with left end cap and right end cap respectively, and the rotating shaft is passed through by the left end cap, housing, right end cap successively,
And be connected with the housing into rotation；The damping disc is placed in housing, and is interlocked, rotated with rotating shaft with the rotating shaft, should
Damping clearance is left between damping disc and the inner surface of the housing, is provided with is connected with the damping clearance on the housing
Magnetic flow liquid in injection orifice that is logical, injecting into damping clearance magnetic flow liquid, the damping clearance by rotating shaft and housing it
Between the oil sealing sealing that sets；Be provided with copper band in the housing, the copper band is located at the periphery of damping disc, and with the housing seal
Magnet exciting coil is wound with contact, the outer surface of the copper band, impressed current is accessed by the damping clearance by the magnet exciting coil
In the scattered particle of magnetic flow liquid along magnetic direction formation particle chain, the damping disc rotates cutting with rotating shaft
Particle chain, realizes the control to damping torque；
Wherein：The housing is divided into left shell and right shell body, and accommodating resistance is respectively kept with the inside of the left shell and right shell body
The space of Buddhist nun's disc, copper band and magnet exciting coil；Between the damping disc and left shell and inner surface, the inner surface of right shell body it
Between and copper band between leave gap, these gaps are the damping clearance；The injection orifice is opened in left shell or the right side
On housing；Sealed respectively by sealing ring between the inner surface and left shell and right shell body of the copper band, the copper band and the left side
Sealing ring between housing and the sealing ring between the right shell body are located at the outside of the damping clearance respectively；
The damping disc is the disc of central aperture, is connected with the rotating shaft key, a left side for the damping disc interstitial hole
Right both sides of the edge extend axially outwardly, formed and be cased with flange, the flange of both sides and shell inner surface is realized and sealed
Oil sealing；The two ends of the rotating shaft are connected by bearing with housing into rotation respectively, and magnetism-isolating loop is arranged with the rotating shaft, pass through institute
State left end cap, right end cap, the shaft shoulder in rotating shaft, the flange on dampened disk, magnetism-isolating loop and bearing internal external circle positioning rotating shaft and damping
The axial location of disc.
Advantages of the present invention is with good effect：
1. the present invention can realize the semi- active control to mechanism vibration damping, more preferable effectiveness in vibration suppression is reached.
2. this body structure of the invention is exactly swinging, in the vibration damping for going for rotary development mechanism.
3. the present invention can realize stronger damping control, the adjustable damping torque with wider range, and less electricity
Larger damping torque can be achieved in stream.
4. compact conformation of the present invention, component is simple, it is easy to accomplish processing and assembling.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is internal structure sectional view of the invention；
Wherein：1 is flat key, and 2 be rotating shaft, and 3 be deep groove ball bearing, and 4 be left end cap, and 5 be oil sealing, and 6 be injection orifice, and 7 be a left side
Housing, 8 be magnet exciting coil, and 9 be right shell body, and 10 be copper band, and 11 be sealing ring, and 12 be damping disc, and 13 be damping clearance, and 14 are
Right end cap, 15 be magnetism-isolating loop.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, the present invention include rotating shaft 2, left end cap 4, oil sealing 5, housing, magnet exciting coil 8, copper band 10,
Disc 12, right end cap 14 and magnetism-isolating loop are damped, wherein housing is divided into left shell 7 and right shell body 9, right shell body 9 affixed by bolt
Outside diameter be more than the diameter of other parts, form flange for connection, be along the circumferential direction evenly equipped with flange multiple
Bolt hole, the installation overall for damper.
Left end cap 4 is tightly connected with left shell 7, and right end cap 14 is tightly connected with right shell body 9, and rotating shaft 2 is successively by left end cap
4th, left shell 7, right shell body 9, right end cap 14 are passed through；The two ends of rotating shaft 2 are rotated by bearing with left shell 7 and right shell body 9 respectively
Connection, the bearing of the present embodiment is one group of deep groove ball bearing 3, respectively in centre bore on left shell 7 and right shell body 9, support
The two ends of rotating shaft 2.The inner side of left shell 7 and right shell body 9 is respectively kept with the space of accommodating damping disc 12, and damping disc 12 is housed
In in left and right housing 7,9, and interlocked by flat key 1 and rotating shaft 2, rotated with rotating shaft 2.Damp the interior table of disc 12 and left shell 7
The damping clearance 13 of magnetic flow liquid can be loaded by forming one between the inner surface of face and right shell body 9 together, in left shell 7 or right shell
Be provided with body 9 be connected with the damping clearance 13, into damping clearance 13 inject magnetic flow liquid injection orifice 6；The present embodiment is
Two injection orifices 6 are offered on left shell 7, are connected respectively with damping clearance 13, the line between two centers of circle of injection orifice 6
Intersected vertically with the longitudinal center line of rotating shaft 2.The disc that disc 12 is central aperture is damped, is connected with the key of rotating shaft 2, the damping
The left and right sides edge of the interstitial hole of disc 12 extends axially outwardly, is formed on flange, the flange of both sides and is cased with oil sealing 5, turns
Axle 2 is sealed against with left shell 7, right shell body 9 respectively by oil sealing 5, and oil sealing 5 is used between rotating shaft and left shell 7 and right shell body 9
To ensure that magnetic flow liquid is sealed in the damping clearance 13 of damping disc 12 and the formation of left and right housing 7,9.It is arranged in rotating shaft 2
There is magnetism-isolating loop 15, pass through the shaft shoulder in left end cap 4, right end cap 14, rotating shaft 2, the flange on dampened disk 12, magnetism-isolating loop 15 and two
The axial location of the Internal and external cycle positioning rotating shaft 2 of deep groove ball bearing 3 and damping disc 12, it is ensured that the axially position of damping clearance 13
Precision.The magnetism-isolating loop 15 of the present invention is made up of aluminum material.
The inner side of left shell 7 and right shell body 9 is also respectively kept with the space of accommodating copper band 10 and magnet exciting coil 8.Copper band 10
Between the periphery of damping disc 12, damping disc 12 and the inner surface of left shell 7, between the inner surface of right shell body 9 and copper
Gap is left between circle 10, these gaps are damping clearance 13.The inner surface of copper band 10 and left shell 7 and right shell body 9 it
Between sealed respectively by sealing ring 11, the sealing ring 11 between the copper band 10 and left shell 7 and the sealing ring between right shell body 9
11 are located at the outside of damping clearance 13 respectively.Magnet exciting coil 8, the housing envelope of outer cause magnetic conduction are wound with the outer surface of copper band 10
Close, form coil-housing-magnetic flow liquid-damping disc-magnetic flow liquid-magnetic loop as housing-coil, pass through
The control that impressed current is the achievable damping torque produced to the damper is accessed to magnet exciting coil 8.
Left shell 7, right shell body 9 and the damping disc 12 of the present invention can be made by permeability magnetic material (such as pure iron or mild steel)
Into.
The present invention operation principle be：
The two ends of rotating shaft 2 are stretched out by left end cap 4, right end cap 14 respectively, and two ends are freely to use.Damping disc 12 is followed
Rotating shaft 2 rotates, and left shell 7 and right shell body 9 are fixed, damping disc 12 and left shell 7 and the inner surface of right shell body 9
The damping clearance 13 of formation is full of magnetic flow liquid, and the magnetic flow liquid that damping disc 12 is filled in damping clearance 13 is wrapped up.
When the magnet exciting coil 8 for being wound on the outside of copper band 10 accesses additional power source, the scattered particle of magnetic flow liquid will be formed along magnetic direction
Strong variations occur for chain structure, its flow regime and yield strength, and damping disc 12, which rotates, cuts magnetic flow liquid shape
Into particle chain, show damping torque so as to produce damping force and be delivered to rotating shaft 2.The electricity of magnet exciting coil 8 is passed through by changing
Size is flowed, changes the size of magnetic field intensity, and then obtains before magnetic flow liquid saturation the controllable damping torque of continuously adjustabe.
Claims (6)
1. a kind of rotary magneto-rheological damper, it is characterised in that：Including rotating shaft (2), left end cap (4), housing, magnet exciting coil
(8), copper band (10), damping disc (12) and right end cap (14), the left and right sides of wherein housing is sealedly connected with left end cap respectively
(4) and right end cap (14), the rotating shaft (2) is passed through by the left end cap (4), housing, right end cap (14) successively, and with the housing
Rotate connection；The damping disc (12) is placed in housing, and is interlocked, rotated with rotating shaft (2), the resistance with the rotating shaft (2)
Damping clearance (13) is left between Buddhist nun's disc (12) and the inner surface of the housing, is provided with the housing and the damping clearance
(13) it is connected, to the injection orifice (6) of injection magnetic flow liquid in damping clearance (13), it is magnetorheological in the damping clearance (13)
The oil sealing (5) that liquid is set by rotating shaft (2) between housing is sealed；Copper band (10), copper band (10) position are provided with the housing
In the periphery of damping disc (12), and contacted with the housing seal, magnet exciting coil is wound with the outer surface of the copper band (10)
(8), by the magnet exciting coil (8) access impressed current by the scattered particle of the magnetic flow liquid in the damping clearance (13) along
Magnetic direction formation particle chain, the damping disc (12) rotates cutting particle chain with rotating shaft (2), realized to damping force
The control of square.
2. the rotary magneto-rheological damper as described in claim 1, it is characterised in that：The housing be divided into left shell (7) and
Right shell body (9), the left shell (7) is with being respectively kept with accommodating damping disc (12), copper band (10) and excitation on the inside of right shell body (9)
The space of coil (8).
3. the rotary magneto-rheological damper as described in claim 2, it is characterised in that：The damping disc (12) and left shell
(7) gap is left between inner surface, between the inner surface of right shell body (9) and between copper band (10), these gaps are
The damping clearance (13)；The injection orifice (6) is opened on left shell (7) or right shell body (9).
4. the rotary magneto-rheological damper as described in claim 2, it is characterised in that：The inner surface of the copper band (10) and a left side
Sealed respectively by sealing ring (11) between housing (7) and right shell body (9), between the copper band (10) and the left shell (7)
Sealing ring (11) and the sealing ring (11) between the right shell body (9) are located at the outside of the damping clearance (13) respectively.
5. the rotary magneto-rheological damper as described in claim 1, it is characterised in that：The damping disc (12) is opened for centre
The disc in hole, is connected with the rotating shaft (2) key, and the left and right sides edge of damping disc (12) interstitial hole prolongs axially outward
Stretch, formed and be cased with realizing sealed oil sealing (5) with shell inner surface on flange, the flange of both sides.
6. the rotary magneto-rheological damper as described in claim 5, it is characterised in that：The two ends of the rotating shaft (2) lead to respectively
Cross bearing to be connected with housing into rotation, be arranged with magnetism-isolating loop (15) in the rotating shaft (2), pass through the left end cap (4), right end cap
(14), the shaft shoulder in rotating shaft (2), the flange on dampened disk (12), magnetism-isolating loop (15) and bearing internal external circle positioning rotating shaft (2) and resistance
The axial location of Buddhist nun's disc (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168363.1A CN107035807A (en) | 2016-12-16 | 2016-12-16 | A kind of rotary magneto-rheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611168363.1A CN107035807A (en) | 2016-12-16 | 2016-12-16 | A kind of rotary magneto-rheological damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107035807A true CN107035807A (en) | 2017-08-11 |
Family
ID=59530469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611168363.1A Pending CN107035807A (en) | 2016-12-16 | 2016-12-16 | A kind of rotary magneto-rheological damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035807A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419947A (en) * | 2017-09-15 | 2017-12-01 | 成都市新筑路桥机械股份有限公司 | A kind of rotary damper |
| CN108980260A (en) * | 2018-10-11 | 2018-12-11 | 中国船舶重工集团公司第七�三研究所 | A kind of MR damper and magnetorheological fluid method for filling |
| CN109278728A (en) * | 2018-09-30 | 2019-01-29 | 合肥工业大学 | A kind of simulator for feeling automobile brake pedal based on MR damper |
| CN109578498A (en) * | 2018-10-11 | 2019-04-05 | 中国船舶重工集团公司第七�三研究所 | A kind of revolving type magnetic rheologic damper |
| CN109630596A (en) * | 2018-12-26 | 2019-04-16 | 嘉兴学院 | One kind rotatably damping adjustable silicone oil-magnetorheological torsional vibration damper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2659492Y (en) * | 2003-12-05 | 2004-12-01 | 中国科学技术大学 | Combined magnetic rheopetic rotary damper |
| CN201368172Y (en) * | 2009-03-19 | 2009-12-23 | 宁波大学 | Magneto rheological fluid damper |
| CN205388057U (en) * | 2016-01-14 | 2016-07-20 | 宿州学院 | Annular slot polydisc formula radial flow magnetorheological valve has |
| CN206347061U (en) * | 2016-12-16 | 2017-07-21 | 中国科学院沈阳自动化研究所 | rotary magneto-rheological damper |
-
2016
- 2016-12-16 CN CN201611168363.1A patent/CN107035807A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2659492Y (en) * | 2003-12-05 | 2004-12-01 | 中国科学技术大学 | Combined magnetic rheopetic rotary damper |
| CN201368172Y (en) * | 2009-03-19 | 2009-12-23 | 宁波大学 | Magneto rheological fluid damper |
| CN205388057U (en) * | 2016-01-14 | 2016-07-20 | 宿州学院 | Annular slot polydisc formula radial flow magnetorheological valve has |
| CN206347061U (en) * | 2016-12-16 | 2017-07-21 | 中国科学院沈阳自动化研究所 | rotary magneto-rheological damper |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419947A (en) * | 2017-09-15 | 2017-12-01 | 成都市新筑路桥机械股份有限公司 | A kind of rotary damper |
| CN109278728A (en) * | 2018-09-30 | 2019-01-29 | 合肥工业大学 | A kind of simulator for feeling automobile brake pedal based on MR damper |
| CN108980260A (en) * | 2018-10-11 | 2018-12-11 | 中国船舶重工集团公司第七�三研究所 | A kind of MR damper and magnetorheological fluid method for filling |
| CN109578498A (en) * | 2018-10-11 | 2019-04-05 | 中国船舶重工集团公司第七�三研究所 | A kind of revolving type magnetic rheologic damper |
| CN108980260B (en) * | 2018-10-11 | 2024-04-02 | 中国船舶重工集团公司第七一三研究所 | Magnetorheological damper and magnetorheological fluid filling method |
| CN109630596A (en) * | 2018-12-26 | 2019-04-16 | 嘉兴学院 | One kind rotatably damping adjustable silicone oil-magnetorheological torsional vibration damper |
| CN109630596B (en) * | 2018-12-26 | 2020-09-11 | 嘉兴学院 | Rotary type damping-adjustable silicone oil-magnetorheological torsional vibration damper |
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Application publication date: 20170811 |
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