CN106969090B - The magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism - Google Patents
The magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism Download PDFInfo
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- CN106969090B CN106969090B CN201710232689.4A CN201710232689A CN106969090B CN 106969090 B CN106969090 B CN 106969090B CN 201710232689 A CN201710232689 A CN 201710232689A CN 106969090 B CN106969090 B CN 106969090B
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/161—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material characterised by the fluid damping devices, e.g. passages, orifices
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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
- F16F9/32—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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- Vibration Prevention Devices (AREA)
Abstract
The magnetorheological half active torsional vibration damper integrated with active adjusted the invention discloses two kinds based on electromagnetism, one is using electromagnetic principle by overcoming the elastic force of adjustable spring to realize that magnetic conduction cylinder barrel locks or release, and then export half active or active torque, it is compact-sized, small volume consumes energy smaller；Another kind is to be locked or released by cone-shaped permanent magnet and coil realization to rotor fixed cylinder using electromagnetic principle, and then export half active or active torque, and active torque is larger, and job stability is higher.When magnetic conduction cylinder barrel/rotor fixed cylinder is locked, magnetic conduction cylinder barrel/rotor fixed cylinder is fixed with respect to shell, realizes the output of half active torque by applying electric current to magnet exciting coil relative to piston rotation；When magnetic conduction cylinder barrel/rotor fixed cylinder is in release conditions, magnetic conduction cylinder barrel/rotor fixed cylinder is motionless relative to piston relative to housing into rotation, by applying control signal to active drive unit, exports active torque.
Description
Technical field
The present invention relates to torsional vibration dampers, in particular to actively turn round with actively integrated based on electromagnetism is adjusted magnetorheological half
Turn damper.
Background technique
In machinery field, engine crankshaft, machine tool chief axis or other transmission shafts etc. do the drive shaft system of rotary motion in work
Twisting vibration will be inevitably generated when making, this vibrate can not only reduce the precision of machine, increase noise etc., or even can make
It is damaged at crankshaft or transmission shaft because of wear-out failure, it is even more serious in high speed.In addition, for elevator and construction liter
The high-power lifting device that drop machine etc. moves in a straight line needs to consume big energy during cargo decline, and occurs urgent
It needs to generate larger resistance when falling and reduces the damage fallen to cargo.Therefore, design torsional vibration damper, which becomes, improves above-mentioned feelings
The important topic of condition.
To solve the above problems, can export the magneto-rheological torsion damper of controllable torque by changing size of current becomes
A kind of preferable selection scheme, and it is increasingly becoming the hot spot of research and application.Existing magneto-rheological torsion damper groundwork
Under flow pattern, shear mode, mixed mode isotype, relative to the torque output device of active control, there is structure letter
Single, small in size, the advantages that low energy consumption, damping is continuously adjustable.Though the size of output torque may be used under magnetorheological semi- active control
To meet vibration damping demand, but the direction of the torque is determined by reverse speed, does not have the controllable of the direction of active control output torque
Property, thus it is limited to the adaptability of some operating conditions.
Therefore, it is necessary to design a kind of half actively with actively integrated torsional vibration damper, make it can be as the case may be in master
It is selected in dynamic and half active twist vibration vibration reducing mode, i.e., uses half active twist vibration reducing mode under general operating condition, when
When half active torque for following rotary speed direction to export cannot be met the requirements, the torque of active control is exported, there is vibration absorber
The adaptability of active damping, while energy consumption is lower, and compact-sized.
Summary of the invention
In view of this, actively subtracting with actively integrated torsion the present invention provides two kinds based on electromagnetism is adjusted magnetorheological half
Shake device, can be selected actively and under half active twisting vibration suppression mode as the case may be, both have and partly actively subtract
The safety of vibration, it may have the superperformance of active damping, and it is compact-sized, one is formed, is consumed energy lower.
It is of the invention based on electromagnetism adjust magnetorheological half actively with actively integrated torsional vibration damper, including shell with set
It is placed in shell for exporting the torque output assembly of torsional torque；
Torque output assembly includes setting with the torque output unit of housing into rotation support cooperation and housing torque output unit
The magnetic conduction cylinder barrel set, sealing is filled with magnetorheological fluid between magnetic conduction cylinder barrel and torque output unit, is arranged on torque output unit
There is the production magnetic cell for changing magnetorheological fluid apparent intensity；
Magnetic conduction cylinder barrel is arranged in a manner of housing into rotation opposite when fixing, discharge when can be locked up, and torque exports assembly also
Including for the lock laying mechanism to magnetic conduction cylinder barrel locking and release and the drive for driving magnetic conduction cylinder barrel to rotate in the released state
Moving cell, when magnetic conduction cylinder barrel is locked up fixed, torque output unit exports half active torque, when magnetic conduction cylinder barrel is released,
Magnetic conduction cylinder barrel and torque output unit are combined into one and the overall output active torque under the driving of driving unit；
Magnetic conduction cylinder barrel include external annulus, internal ring wall and connect internal ring wall and external annulus end end cap portions, external annulus with it is interior
Accommodation space is formed between ring wall, lock laying mechanism is installed in accommodation space；Lock laying mechanism include be placed in accommodation space and with
Annular fixed block that shell is fixedly connected is arranged between annular fixed block and external annulus and by can be in a manner of clutch and external annulus
The friction tile and driving friction tile of cooperation realize the clutch driving assembly of clutch.
Further, clutch driving assembly includes being installed on annular fixed block and outer end is stretched with the elasticity that connect of friction tile
It contracting part and is mounted on annular fixed block and makes the electromagnet that separates with magnetic conduction cylinder barrel of tile that rubs for forming electromagnetic force when being powered
Coil.
Further, driving unit includes motor stator to apply electric current and turns in the case where motor stator applies the function of current
Dynamic rotor, motor stator are immobilized in the shell on wall, and rotor is circumferentially fixed on the outside of external annulus.
Further, it is non-magnetic fixed for positioning to annular fixed block to be additionally provided on the outside of accommodation space inner close fitting internal ring wall
Position ring.
Further, torque output unit combines including piston block and is fixedly connected with the biography for stretching out shell in simultaneously one end with piston block
Moving axis, piston block and transmission shaft cooperate with housing into rotation respectively, and producing magnetic cell includes magnet exciting coil and permanent magnet, piston block outer circle
It is provided on week for installing the annular groove for producing magnetic cell, magnetorheological fluid sealing, which is filled between piston block and internal ring wall inner sidewall, to be formed
Annular gap in.
The invention also discloses a kind of magnetorheological half actives adjusted based on electromagnetism and actively integrated torsional vibration damper, packet
It includes shell and is set in shell for exporting the torque output assembly of torsional torque；
Torque output assembly includes setting with the torque output unit of housing into rotation support cooperation and housing torque output unit
The magnetic conduction cylinder barrel set, sealing is filled with magnetorheological fluid between magnetic conduction cylinder barrel and torque output unit, is arranged on torque output unit
There is the production magnetic cell for changing magnetorheological fluid apparent intensity；
Magnetic conduction cylinder barrel is arranged in a manner of housing into rotation opposite when fixing, discharge when can be locked up, and torque exports assembly also
Including for the lock laying mechanism to magnetic conduction cylinder barrel locking and release and the drive for driving magnetic conduction cylinder barrel to rotate in the released state
Moving cell, when magnetic conduction cylinder barrel is locked up fixed, torque output unit exports half active torque, when magnetic conduction cylinder barrel is released,
Magnetic conduction cylinder barrel and torque output unit are combined into one and the overall output active torque under the driving of driving unit；
Lock laying mechanism includes non-magnetic cylinder barrel, movable friction plate and determines friction plate, and movable friction plate is fixedly installed on non-magnetic cylinder
Cylinder, determines friction plate and is fixedly installed on non-magnetic cylinder barrel, non-magnetic cylinder barrel is coated at magnetic guiding jar cylinder and forms a fixed connection, non-magnetic cylinder
Cylinder is arranged in a manner of it can generate axial movement by driving to make movable friction plate clutch.
Further, lock laying mechanism further includes pressing plate and elastic pressure parts, and pressing plate is set around non-magnetic cylinder barrel with shell fixation and outside
It sets, the non-magnetic cylinder barrel setting of elastic pressure parts housing simultaneously supports only cooperation for making to rub when Cone-shaped electric machine stator is not powered on pressing plate
Pad is remained engaged with friction plate is determined；Driving unit includes the conical motor rotor for being fixedly installed on non-magnetic cylinder barrel periphery
Be fixed on case inside for galvanization generate rotating excitation field and generate axial magnetic pull make rotor axial movement make
Movable friction plate and the Cone-shaped electric machine stator determining friction plate and mutually separating.
Further, torque output unit combines including piston block and is fixedly connected with the biography for stretching out shell in simultaneously one end with piston block
Moving axis, piston block and transmission shaft cooperate with housing into rotation respectively, and producing magnetic cell includes magnet exciting coil and permanent magnet, piston block outer circle
It is provided on week for installing the annular groove for producing magnetic cell, magnetorheological fluid sealing is filled in the internal ring wall of piston block and magnetic conduction cylinder barrel
In the annular gap formed between side wall.
Further, the axial ends of non-magnetic cylinder barrel passes through the separable axis that can bear non-magnetic cylinder barrel axial movement respectively
It holds and is rotatably assorted with non-magnetic cylinder barrel.
Further, elastic pressure parts are the butterfly spring group being combined by multiple butterfly springs, and the outside of non-magnetic cylinder barrel is right
Pressing plate is answered to be formed with the mounting groove for installing butterfly spring group.
Beneficial effects of the present invention: magnetorheological half active and active adjusted invention broadly provides two kinds based on electromagnetism
Integrated torsional vibration damper, two kinds of torsional vibration dampers are to lock or release half master of realization to magnetic conduction cylinder barrel by lock laying mechanism
The selection of dynamic torque output and active torque output, when locking laying mechanism to the locking of magnetic conduction cylinder barrel, magnetic conduction cylinder barrel is solid with respect to shell
Fixed motionless, the torsional vibration damper structure of torque output unit and magnetic guiding jar cylinder formation semi- active control passes through and produces magnetic cell change
The apparent intensity of magnetorheological fluid adjusts the size of half active torque；When locking laying mechanism to the release of magnetic conduction cylinder barrel, driving unit meeting
The rotation of magnetic conduction cylinder barrel is driven, at this time since the magnetorheological fluid behind application magnetic field is in class solid, magnetic conduction cylinder barrel and torque output unit
It is integrally formed, carries out the output of active torque；
Two kinds of torsional vibration dampers are the difference is that one is put machine using the lock being arranged in the accommodation space of magnetic conduction cylinder barrel
Structure realization locks or release magnetic conduction cylinder barrel, and compact-sized, volume is relatively small, consumes energy smaller；Another kind is to utilize setting
Lock laying mechanism outside magnetic conduction cylinder barrel is locked or released, and non-magnetic cylinder barrel needs to be generated axial movement by driving,
Active torque output valve is larger, and job stability is higher.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the magnetorheological half active torsional vibration damper knot integrated with active that one of present invention is adjusted based on electromagnetism
Structure schematic diagram；
The magnetorheological half active torsion damping integrated with active that Fig. 2 is adjusted for another in the present invention based on electromagnetism
Device structural schematic diagram.
Specific embodiment
Fig. 1 is the magnetorheological half active torsional vibration damper knot integrated with active that one of present invention is adjusted based on electromagnetism
Structure schematic diagram, Fig. 2 are that another magnetorheological half active based on electromagnetism adjusting in the present invention subtracts with actively integrated torsion
Shake device structural schematic diagram, as shown in the figure: the present embodiment is actively reversed with actively integrated based on electromagnetism is adjusted magnetorheological half
Damper including shell and is set in shell for exporting the torque output assembly of torsional torque；Wherein, shell includes shell sheet
Body 1 and end cap 2, end cap 2 are connected by screw to shell ontology 1, and torque exports assembly and is arranged in shell ontology 1；
Torque output assembly includes setting with the torque output unit of housing into rotation support cooperation and housing torque output unit
The magnetic conduction cylinder barrel 3 set, sealing is filled with magnetorheological fluid 4 between magnetic conduction cylinder barrel 3 and torque output unit, sets on torque output unit
It is equipped with for changing the production magnetic cell of 4 apparent intensity of magnetorheological fluid；Torque output unit is cooperated by swivel bearing and shell, shell
It is correspondingly arranged on bearing block on body, is formed with gap, gap between the outside of torque output unit and the internal ring wall of magnetic conduction cylinder barrel 3
It is interior to be filled with magnetorheological fluid 4, and formed and sealed by sealing ring；Produce magnetic cell for changing magnetorheological fluid 4 damping force value,
It is arranged on torque output unit；
Magnetic conduction cylinder barrel 3 is arranged in a manner of housing into rotation opposite when fixing, discharge when can be locked up, and torque exports assembly also
Including for the lock laying mechanism to 3 locking of magnetic conduction cylinder barrel and release and for driving magnetic conduction cylinder barrel 3 to rotate in the released state
Driving unit, when magnetic conduction cylinder barrel 3 is locked up fixed, torque output unit exports half active torque, when magnetic conduction cylinder barrel 3 is released
When, magnetic conduction cylinder barrel 3 is combined into one with torque output unit and the overall output active torque under the driving of driving unit；That is,
When locking laying mechanism to the locking of magnetic conduction cylinder barrel 3, magnetic conduction cylinder barrel 3 is fixed with respect to shell, torque output unit and magnetic conduction cylinder barrel 3
The torsional vibration damper structure for forming semi- active control, the apparent intensity for changing magnetorheological fluid 4 by producing magnetic cell adjust half actively
The size of torque；When being reactive torque according to torque needed for control, then the output torque of active is needed, at this point, lock puts machine
Structure discharges magnetic conduction cylinder barrel 3, and driving unit can drive magnetic conduction cylinder barrel 3 to rotate, at this time since the magnetorheological fluid 4 behind application magnetic field is in
Class solid, magnetic conduction cylinder barrel 3 are integrally formed with torque output unit, carry out the output of active torque；
Magnetic conduction cylinder barrel 3 includes external annulus 3-1, internal ring wall 3-2 and the end cap for connecting internal ring wall 3-2 and the end external annulus 3-1
Portion 3-3, forms accommodation space between external annulus 3-1 and internal ring wall 3-2, lock laying mechanism is installed in accommodation space；Lock laying mechanism
Including be placed in accommodation space and be fixedly connected with the casing annular fixed block 5, setting is in annular fixed block 5 and external annulus 3-1
Between and the clutch drive can realize clutch in a manner of clutch with the friction tile 6 of external annulus 3-1 cooperation and driving friction tile 6
Dynamic component；Wherein, internal ring wall 3-2 is cooperated by bearing and shell, and friction tile 6 is arc, as friction tile 6 and external annulus 3-
That magnetic conduction cylinder barrel 3 is integrally formed is fixed when 1 contact, when friction tile 6 under the driving of clutch driving assembly with magnetic conduction
When the external annulus 3-1 separation of cylinder barrel 3, magnetic conduction cylinder barrel 3 is released, so as to make rotating motion under the driving of driving unit.
In the present embodiment, clutch driving assembly includes being installed on annular fixed block 5 simultaneously outer end to connect with friction tile 6
Elastic telescopic part 7 and be mounted on annular fixed block 5 for be powered when formed electromagnetic force make rub tile 6 divide with magnetic conduction cylinder barrel 3
From electromagnet coil 8；Wherein, elastic telescopic part 7 is adjustable spring, and annular fixed block 5 is provided with for installing electromagnetism iron wire
The electromagnet mounting groove of circle 8 is respectively arranged with 7 mounting groove of elastic telescopic part in the two sides of electromagnet mounting groove, and every side
7 mounting groove of elastic telescopic part is circumferentially multiple along annular fixed block 5, and elastic telescopic part 7 is mounted in it；Work as electromagnet coil
8 when being not powered on, and the tile 6 that rubs is pressed in the external annulus 3-1 of magnetic conduction cylinder barrel 3 by elastic telescopic part 7, generates magnetic attraction when energized
So that elastic telescopic part 7 is compressed, so that friction tile 6 is separated with the external annulus 3-1 phase of magnetic conduction cylinder barrel 3, to realize
Clutch.
In the present embodiment, driving unit includes motor stator 9 to apply electric current and applies electric current in motor stator 9 and make
With the rotor 10 of lower rotation, motor stator 9 is immobilized in the shell on wall, and rotor 10 is circumferentially fixed on external annulus 3-
1 outside；When motor stator 9 is powered, rotating excitation field is generated, so that rotor 10 drives magnetic conduction cylinder barrel 3 to rotate；On shell
It is provided with the cable-through hole that the conducting wire for being powered with motor stator 9 crosses line.
In the present embodiment, it is additionally provided on the outside of accommodation space inner close fitting internal ring wall 3-2 for being positioned to annular fixed block 5
Non-magnetic positioning ring 11；Annular fixed block 5 is located in accommodation space by non-magnetic positioning ring 11, and annular fixed block 5 is certainly
Body is connect by screw with shell.
In the present embodiment, torque output unit combines including piston block 12 and is fixedly connected with simultaneously one end stretching with piston block 12
The transmission shaft 13 of shell, piston block 12 and transmission shaft 13 cooperate with housing into rotation respectively, and producing magnetic cell includes 14 He of magnet exciting coil
Permanent magnet 15 is provided on 12 excircle of piston block for installing the annular groove for producing magnetic cell, and the sealing of magnetorheological fluid 4 is filled in piston
In the annular gap formed between block 12 and internal ring wall 3-2 inner sidewall；Under active control, when motor stator 9 is according to control algolithm
After applying electric current, the meeting of transmission shaft 13 output phase answers torque, if reactive torque required at this time is greater than the magnetic field pair that permanent magnet provides
When the torque answered, then the electric current for applying certain orientation and size to magnet exciting coil is needed, otherwise, it is not necessary to apply electricity to magnet exciting coil
Stream.
The invention also discloses the magnetorheological half active torsion dampings integrated with active that another is adjusted based on electromagnetism
Device including shell and is set in shell for exporting the torque output assembly of torsional torque；Wherein, shell includes shell ontology
1a, upper end cover 2a and lower cover 3a, end cap are connected by screw to shell ontology 1a, and torque exports assembly and is arranged in shell ontology 1a
It is interior；
Torque output assembly includes setting with the torque output unit of housing into rotation support cooperation and housing torque output unit
The magnetic conduction cylinder barrel 4a set, magnetic conduction cylinder barrel are ring set structure, and sealing is filled with magnetic current between magnetic conduction cylinder barrel 4a and torque output unit
Become liquid 5a, is provided on torque output unit for changing the production magnetic cell of magnetorheological fluid 5a apparent intensity；Torque output unit
Cooperated by swivel bearing and shell, bearing block, the outside of torque output unit and magnetic conduction cylinder barrel 4a are correspondingly arranged on shell
Internal ring wall between be formed with gap, magnetorheological fluid 5a is filled in gap, and sealing is formed by sealing ring；Magnetic cell is produced to use
In the damping force value for changing magnetorheological fluid 5a, it is arranged on torque output unit；
Magnetic conduction cylinder barrel 4a is arranged in a manner of housing into rotation opposite when fixing, discharge when can be locked up, and torque exports assembly
It further include for the lock laying mechanism to magnetic conduction cylinder barrel 4a locking and release and for driving magnetic conduction cylinder barrel 4a to turn in the released state
Dynamic driving unit, when magnetic conduction cylinder barrel 4a is locked up fixed, torque output unit exports half active torque, as magnetic conduction cylinder barrel 4a
When being released, magnetic conduction cylinder barrel 4a is combined into one with torque output unit and overall output is actively turned round under the driving of driving unit
Square；That is, when lock laying mechanism to magnetic conduction cylinder barrel 4a lock when, magnetic conduction cylinder barrel 4a is fixed with respect to shell, torque output unit and
Magnetic conduction cylinder barrel 4a forms the torsional vibration damper structure of semi- active control, changes the apparent intensity of magnetorheological fluid 5a by producing magnetic cell
Adjust the size of half active torque；When being reactive torque according to torque needed for control, then the output torque of active is needed, this
When, lock laying mechanism to magnetic conduction cylinder barrel 4a discharge, driving unit can drive magnetic conduction cylinder barrel 4a rotate, at this time due to apply magnetic field after
Magnetorheological fluid 5a is in class solid, and magnetic conduction cylinder barrel 4a is integrally formed with torque output unit, carries out the output of active torque；
Lock laying mechanism includes non-magnetic cylinder barrel 6a, movable friction plate 7a and determines friction plate 8a, and movable friction plate 7a is fixedly installed on
Non-magnetic cylinder barrel 6a determines friction plate 8a and is fixedly installed on non-magnetic cylinder barrel 6a, and non-magnetic cylinder barrel 6a is coated at magnetic conduction cylinder barrel 4a shape
At being fixedly connected, non-magnetic cylinder barrel 6a is arranged in a manner of it can generate axial movement by driving to make movable friction plate 7a clutch；Wherein,
Non-magnetic cylinder barrel 6a is connected by key being fixedly connected for realization and magnetic conduction cylinder barrel 4a, under initial conditions, movable friction plate 7a and fixed
Friction plate 8a is kept in contact to form fixation, movable friction plate 7a and to determine friction plate 8a be annular, when non-magnetic cylinder barrel 6a is driven
Movable friction plate 7a can be made to separate with friction plate 8a is determined when generating axial movement.
In the present embodiment, lock laying mechanism further includes pressing plate 9a and elastic pressure parts 10a, and pressing plate 9a is with shell fixation and outside around non-
Magnetic conduction cylinder barrel 6a setting, the non-magnetic cylinder barrel 6a setting of elastic pressure parts 10a housing simultaneously support only cooperation in taper electricity with pressing plate 9a
Remain engaged with movable friction plate 7a with friction plate 8a is determined；Driving unit includes being fixedly installed on non-magnetic cylinder
It the conical motor rotor 11a of cylinder 6a periphery and is fixed on case inside to generate for galvanization and rotating excitation field and produces
Raw axial magnetic pull makes the mobile Cone-shaped electric machine stator 12a for making movable friction plate 7a and determining friction plate 8a phase and separating of rotor axial；Cone
Shape rotor is fixed on non-magnetic cylinder barrel, and non-magnetic cylinder barrel forms rotor fixed cylinder, and pressing plate 9a is fixed with shell, pressing plate 9a and
There are gap between non-magnetic cylinder barrel 6a, the end of elastic pressure parts 10a, which is supported, stops on pressing plate 9a, under initial conditions, passes through bullet
Pretightning force provided by property casting die 10a makes movable friction plate 7a and determines friction plate 8a and tight contact between to be formed fixed, works as needs
It is Cone-shaped electric machine stator 12a galvanization when actively exporting, since Cone-shaped electric machine stator 12a generates rotating excitation field, while generates axis
To magnetic pull, so that non-magnetic cylinder barrel 6a drives magnetic conduction cylinder barrel 4a rotation, while non-magnetic cylinder barrel 6a generates axial shifting
It is dynamic, elastic pressure parts 10a is compressed, so that movable friction plate 7a is separated with friction plate 8a phase is determined, movable friction plate 7a and static friction
The settable multiple groups of piece.
In the present embodiment, torque output unit is combined including piston block 13a and is fixedly connected with piston block 13a and one end is stretched
The transmission shaft 14a of shell out, piston block 13a and transmission shaft 14a cooperate with housing into rotation respectively, and producing magnetic cell includes magnet exciting coil
15a and permanent magnet 16a is provided on piston block 13a excircle for installing the annular groove for producing magnetic cell, and magnetorheological fluid 5a sealing is filled out
It fills in the annular gap formed between piston block 13a and the internal ring wall inner sidewall of magnetic conduction cylinder barrel；Under active control, when motor is fixed
After son applies electric current according to control algolithm, transmission shaft 14a meeting output phase answers torque, if reactive torque required at this time is greater than permanent magnetism
When the corresponding torque in magnetic field that body 16a is provided, then the electric current for applying certain orientation and size to magnet exciting coil 15a is needed, otherwise, no
Electric current must be applied to magnet exciting coil 15a.
In the present embodiment, the axial ends of non-magnetic cylinder barrel 6a passes through respectively can bear non-magnetic cylinder barrel 6a axial movement
Separable bearing 17a is rotatably assorted with non-magnetic cylinder barrel；Separable bearing can be used commonly to be divided on existing automobile clutch
It holds off axis, is the prior art, details are not described herein；Separable bearing role is to carry to non-magnetic cylinder barrel 6a, and bear
The axial movement of non-magnetic cylinder barrel 6a.
In the present embodiment, elastic pressure parts 10a is the butterfly spring group being combined by multiple butterfly springs, non-magnetic cylinder barrel 6a
Outside correspond to pressing plate 9a and be formed with mounting groove for installing butterfly spring group.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism, it is characterised in that: including shell
Body exports assembly with the interior torque for exporting torsional moment of shell is set to；
The torque output assembly includes setting with the torque output unit of housing into rotation support cooperation and housing torque output unit
The magnetic conduction cylinder barrel set, sealing is filled with magnetorheological fluid between the magnetic conduction cylinder barrel and the torque output unit, and torque output is single
The production magnetic cell for changing magnetorheological fluid apparent intensity is provided in member；
The magnetic conduction cylinder barrel is arranged in a manner of housing into rotation opposite when fixing, discharge when can be locked up, and the torque output is total
At further including for the lock laying mechanism to magnetic conduction cylinder barrel locking and release and for driving magnetic conduction cylinder barrel to rotate in the released state
Driving unit, when magnetic conduction cylinder barrel is locked up fixed, torque output unit export half active torque, when magnetic conduction cylinder barrel is released
When, magnetic conduction cylinder barrel is combined into one with torque output unit and the overall output active torque under the driving of driving unit；
The magnetic conduction cylinder barrel includes external annulus, internal ring wall and the end cap portions for connecting internal ring wall and external annulus end, the external annulus
Accommodation space is formed between the internal ring wall, the lock laying mechanism is installed in the accommodation space；The lock laying mechanism packet
It includes and is placed in the annular fixed block being fixedly connected in the accommodation space and with the shell, is arranged in annular fixed block and external annulus
Between and the clutch drive can realize clutch in a manner of clutch with the friction tile of external annulus cooperation and driving friction tile
Dynamic component.
2. the magnetorheological half active torsional vibration damper integrated with active according to claim 1 adjusted based on electromagnetism,
Be characterized in that: the clutch driving assembly includes being installed on the elastic telescopic that simultaneously outer end is connect with friction tile on annular fixed block
It part and is mounted on annular fixed block and makes the electromagnetism iron wire that separates with magnetic conduction cylinder barrel of tile that rubs for forming electromagnetic force when being powered
Circle.
3. the magnetorheological half active torsional vibration damper integrated with active according to claim 2 adjusted based on electromagnetism,
Be characterized in that: the driving unit includes motor stator to apply electric current and rotates in the case where motor stator applies the function of current
Rotor, the motor stator is fixed in the inner walls, and the rotor is circumferentially fixed on the outer ring
The outside of wall.
4. the magnetorheological half active torsional vibration damper integrated with active according to claim 3 adjusted based on electromagnetism,
It is characterized in that: being additionally provided with the non-magnetic positioning for positioning to annular fixed block on the outside of the accommodation space inner close fitting internal ring wall
Ring.
5. the magnetorheological half active torsional vibration damper integrated with active according to claim 4 adjusted based on electromagnetism,
Be characterized in that: the torque output unit includes piston block and is fixedly connected with piston block and the transmission of the shell is stretched out in one end
Axis, the piston block and the transmission shaft cooperate with the housing into rotation respectively, and the production magnetic cell includes magnet exciting coil and forever
Magnet is provided on the piston block excircle for installing the annular groove for producing magnetic cell, and the magnetorheological fluid sealing is filled in institute
It states in the annular gap formed between piston block and the internal ring wall inner sidewall.
6. a kind of magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism, it is characterised in that: including shell
Body exports assembly with the interior torque for exporting torsional torque of shell is set to；
The torque output assembly includes setting with the torque output unit of housing into rotation support cooperation and housing torque output unit
The magnetic conduction cylinder barrel set, sealing is filled with magnetorheological fluid between the magnetic conduction cylinder barrel and the torque output unit, and torque output is single
The production magnetic cell for changing magnetorheological fluid apparent intensity is provided in member；
The magnetic conduction cylinder barrel is arranged in a manner of housing into rotation opposite when fixing, discharge when can be locked up, and the torque output is total
At further including for the lock laying mechanism to magnetic conduction cylinder barrel locking and release and for driving magnetic conduction cylinder barrel to rotate in the released state
Driving unit, when magnetic conduction cylinder barrel is locked up fixed, torque output unit export half active torque, when magnetic conduction cylinder barrel is released
When, magnetic conduction cylinder barrel is combined into one with torque output unit and the overall output active torque under the driving of driving unit；
The lock laying mechanism includes non-magnetic cylinder barrel, movable friction plate and determines friction plate, and the movable friction plate is fixedly installed on described
Non-magnetic cylinder barrel, described to determine friction plate and be fixedly installed on the non-magnetic cylinder barrel, the non-magnetic cylinder barrel is coated at the magnetic conduction
Cylinder barrel forms a fixed connection, and the non-magnetic cylinder barrel is set in a manner of it can generate axial movement by driving to make movable friction plate clutch
It sets.
7. the magnetorheological half active torsional vibration damper integrated with active according to claim 6 adjusted based on electromagnetism,
Be characterized in that: the lock laying mechanism further includes pressing plate and elastic pressure parts, and the pressing plate is with shell fixation and outside around non-magnetic cylinder barrel
Setting, the non-magnetic cylinder barrel of elastic pressure parts housing are arranged and support only cooperation for when Cone-shaped electric machine stator is not powered on pressing plate
Remain engaged with movable friction plate with friction plate is determined；The driving unit includes being fixedly installed on the non-magnetic cylinder barrel periphery
Conical motor rotor and be fixed on case inside and generate rotating excitation field for galvanization and generate axial magnetic pull and make
Rotor axial is mobile to make movable friction plate and the Cone-shaped electric machine stator determining friction plate and mutually separate.
8. the magnetorheological half active torsional vibration damper integrated with active according to claim 7 adjusted based on electromagnetism,
Be characterized in that: the torque output unit includes piston block and is fixedly connected with piston block and the transmission of the shell is stretched out in one end
Axis, the piston block and the transmission shaft cooperate with the housing into rotation respectively, and the production magnetic cell includes magnet exciting coil and forever
Magnet is provided on the piston block excircle for installing the annular groove for producing magnetic cell, and the magnetorheological fluid sealing is filled in institute
It states in the annular gap formed between piston block and the internal ring wall inner sidewall of the magnetic conduction cylinder barrel.
9. the magnetorheological half active torsional vibration damper integrated with active according to claim 8 adjusted based on electromagnetism,
Be characterized in that: the axial ends of the non-magnetic cylinder barrel passes through the separable bearing that can bear non-magnetic cylinder barrel axial movement respectively
It is rotatably assorted with the non-magnetic cylinder barrel.
10. the magnetorheological half active torsional vibration damper integrated with active according to claim 9 adjusted based on electromagnetism,
Be characterized in that: the elastic pressure parts are the butterfly spring group being combined by multiple butterfly springs, the outside of the non-magnetic cylinder barrel
The corresponding pressing plate is formed with the mounting groove for installing butterfly spring group.
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| CN201710232689.4A CN106969090B (en) | 2017-04-11 | 2017-04-11 | The magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism |
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| CN201710232689.4A CN106969090B (en) | 2017-04-11 | 2017-04-11 | The magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism |
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| CN106969090B true CN106969090B (en) | 2019-05-07 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566030A (en) * | 2018-03-02 | 2018-09-21 | 南京好龙电子有限公司 | Rotor with torsion damping device and motor |
| CN108547781B (en) * | 2018-04-22 | 2019-08-23 | 东莞市锐天机电科技有限公司 | Vibration isolation type blower |
| CN110259872B (en) * | 2019-06-27 | 2020-09-08 | 重庆大学 | Magneto-rheological inertia variable damping torsional vibration damper |
| CN110388403A (en) * | 2019-07-17 | 2019-10-29 | 重庆大学 | Binary channels becomes used and holds variable damping damper |
| CN111623080B (en) * | 2020-05-13 | 2021-07-23 | 嘉兴学院 | Engine torsional vibration damper based on magnetorheological grease |
| CN113809871A (en) * | 2020-06-11 | 2021-12-17 | 中国船舶重工集团公司第七一一研究所 | Automatic control device for inhibiting torque fluctuation |
| CN111750026B (en) * | 2020-06-29 | 2021-04-16 | 武汉理工大学 | Online intelligent control active dynamic vibration absorber and control method thereof |
| CN113007425B (en) * | 2021-03-31 | 2022-11-15 | 重庆大学 | Magneto-rheological semi-active and active integrated flow valve based on electromagnetic adjustment |
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