CN208138376U - A kind of interior wound MR damper of multi-cylinder cylinder linkage - Google Patents
A kind of interior wound MR damper of multi-cylinder cylinder linkage Download PDFInfo
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- CN208138376U CN208138376U CN201820540237.2U CN201820540237U CN208138376U CN 208138376 U CN208138376 U CN 208138376U CN 201820540237 U CN201820540237 U CN 201820540237U CN 208138376 U CN208138376 U CN 208138376U
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- cylinder
- damper
- branch
- cylinder barrel
- piston head
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Abstract
The utility model discloses wound MR dampers in a kind of linkage of multi-cylinder cylinder, including damper outer cylinder, the branch's cylinder barrel being arranged in damper outer cylinder and the push rod being mounted in branch's cylinder barrel composition, magnetic conduction inner sleeve is connected on the damper outer cylinder inner wall, the quantity at least two of branch's cylinder barrel, fixed column is equipped between branch's cylinder barrel, a push rod is provided with inside branch's cylinder barrel, push rod right end connects piston head, winding slot is machined on piston head, electromagnetic coil is wound in the winding slot of piston head, push rod left end is all connected on the support frame, it is connect in the middle part of support frame left end with piston rod right end, piston rod left end, which is pierced by damper left end cap and is screwed, connects left lifting lug；When electromagnetic coil is passed through electric current, by adjusting size of current in electromagnetic coil, the yield stress of magnetorheological fluid can be changed, reach required output damping force, multiple branch's cylinder barrel collective effects improve the output damping force of the interior wound MR damper.
Description
Technical field
The utility model relates to a kind of MR damper, more specifically, it relates to a kind of linkage of multi-cylinder cylinder it is interior around
Formula MR damper.
Background technique
MR damper is a kind of novel semi-active damper device based on magnetorheological fluid controllable characteristics, the damping device
Resistance can be generated to movement, and is used to the energy of dissipation movement；Possess in its working range fast response time, structure it is simple,
It is small in size, be easy to control and low power consumption and other advantages；It is a kind of ideal vibration isolation, antishock device；In the side such as building, machinery, military project
Mask has wide application prospects.
Traditional spring-damper is used for various vibration damping occasions, but the requirement with people to effectiveness in vibration suppression is increasingly
Height, the effectiveness in vibration suppression that spring-damper is played cannot be gradually satisfied with by people.The appearance of magnetorheological fluid promotes magnetorheological
The development of damper, the outstanding representation in terms of vibration damping obtain the favorable comment of people.When MR damper is applied to various
When occasion, every test data that when work measures is optimal damping device working performance, and research damper self-characteristic provides
Good foundation.When controlled device is vibrated, controller is according between the sensor controlled device main body detected and supporting body
Relative Vibration situation make corresponding analysis and decision, and generate a control voltage and act on the electric current of MR damper and drive
Dynamic device loads a driving current to magnet exciting coil by current driver, the magnetic field strength of magnet exciting coil is adjusted, thus in millisecond
The yield stress size for changing the magnetorheological fluid being located in damper damp channel in the grade time, reaches adjusting MR damper
The purpose of damping realizes the semi-active damper vibration damping vibrated to controlled device.It is controlled in the semi-active damper vibration damping of this closed loop
In system, an important output quantity is exactly the relative displacement between the cylinder barrel of MR damper and piston.
In existing half Active vibration-reducing system based on MR damper, traditional MR damper piston head winding
Magnet exciting coil only one, the performance of MR damper be largely dependent upon generate magnetic field magnet exciting coil.Work as excitation
When coil damage or power-off, magnetic field would not be generated, causes damping force entirely ineffective.It is therefore desirable to design one kind can be improved
The MR damper of damping force and fail-safe property.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide wound in a kind of linkage of multi-cylinder cylinder
MR damper, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions：
A kind of interior wound MR damper of multi-cylinder cylinder linkage, including damper outer cylinder, setting are in damper outer shell
Branch's cylinder barrel in cylinder and the push rod composition being mounted in branch's cylinder barrel, connect in magnetic conduction on the damper outer cylinder inner wall
Sleeve, the quantity at least two of branch's cylinder barrel are equipped with fixed column between branch's cylinder barrel, are provided with one inside branch's cylinder barrel
Root push rod, push rod right end connect piston head, are machined with winding slot on piston head, are wound with electromagnetic wire in the winding slot of piston head
Circle, push rod left end are all connected on the support frame, are connect in the middle part of support frame left end with piston rod right end, piston rod left end is pierced by damping
Device left end cap, which is screwed, connects left lifting lug, is fixed with buffering accumulator in branch's cylinder barrel of piston head right end, stores power in buffering
It is set as magnetorheological fluid cavity II in branch's cylinder barrel between device and piston head, offers deflector hole, magnetic current on branch's cylinder barrel side wall
Become the liquid collecting cavity that liquid cavity II is connected to fixed column right end by deflector hole, is equipped with throttle orifice, magnetorheological fluid cavity in the middle part of fixed column
II is connected to by throttle orifice with the magnetorheological fluid cavity I inside magnetic conduction inner sleeve left end.
Further, the magnetic conduction inner sleeve is No. 10 steel with a thickness of 15-30mm being arranged along damper outer cylinder inner wall
Permeability magnetic material production.
Further, the quantity of branch's cylinder barrel is four and is distributed in crosswise.
Further, the lead of the electromagnetic coil passes through the power supply in the wire lead slot of the wire lead slot and piston rod inside push rod
Line is connected.
Further, the damper left end cap by screw clearances mating connection damper outer cylinder and by sealing ring into
Row sealing, damper left end cap middle part are machined with circular through hole, piston rod and damper left end cap circular through hole internal surface gaps
Cooperation, and be sealed by a seal ring.
Further, the damper outer cylinder right end passes through screw clearances mating connection damper right end cap and passes through sealing
Circle is sealed, and is screwed in the middle part of damper right end cap right end and is connected right lifting lug.
Further, it is fixedly connected with sealing-plug and piston head on the push rod inside branch's cylinder barrel, connected on sealing-plug
It is connected to gasket, and gasket offsets with branch inner wall of cylinder, the push rod right end that piston head is fixed on.
Further, fixed column left end connecting support seat, connecting spring between support base and support frame.
Further, the piston head is No. 10 steel permeability magnetic materials, the magnetic line of force that piston head is embedded in permanent magnet and generates
Closed circuit is formed across piston head；In the circuit of electromagnetic coil access power supply line connection parallel with one another inside branch's cylinder barrel.
In conclusion the utility model has the advantages that compared with prior art：
When electromagnetic coil is passed through electric current, electromagnetic coil passes through and because of the magnetic line of force that galvanomagnetic-effect generates perpendicular to mixed liquor
Circulation road, and double acting magnetic field is formed with permanent magnet.Due to magnetic fields, magnetorheological fluid its viscosity meeting at fluid course is mixed
Increase, yield stress enhancing.Magnetorheological fluid flows through the mixing fluid course, need to overcome the intermolecular power of this catenation,
To increase the viscous damping force of MR damper.By adjusting size of current in electromagnetic coil, magnetorheological fluid can be changed
Yield stress, reaches required output damping force, and multiple branch's cylinder barrel collective effects improve the interior wound MR damper
Damping force is exported, damping force and fail-safe property are improved.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of branch's cylinder barrel in the utility model.
Fig. 3 is the structural schematic diagram of push rod in the utility model.
Appended drawing reference：The left lifting lug of 1-, 2- piston rod, 3- damper left end cap, 4- damper outer cylinder, 5- magnetic conduction inner sleeve
Cylinder, 6- sealing-plug, 7- push rod, 8- electromagnetic coil, 9- piston head, 10- buffering accumulator, 11- damper right end cap, the right side 12- are hung
Ear, 13- liquid collecting cavity, 14- deflector hole, 15- branch cylinder barrel, 16- fixed column, 17- throttle orifice, 18- gasket, 19- support base,
20- spring, 21- support frame, 22- sealing ring, 23- power supply line, 24- magnetorheological fluid cavity I, 25- magnetorheological fluid cavity II.
Specific embodiment
The technical solution of the utility model is described further in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1-3, a kind of interior wound MR damper of multi-cylinder cylinder linkage, including damper outer cylinder 4, setting exist
Branch's cylinder barrel 15 in damper outer cylinder 4 and the push rod 7 being mounted in branch's cylinder barrel 15 form, the damper outer cylinder
Magnetic conduction inner sleeve 5 is connected on 4 inner walls, magnetic conduction inner sleeve 5 is to be arranged along 4 inner wall of damper outer cylinder with a thickness of 15-30mm's
No. 10 steel permeability magnetic material production, the quantity at least two of branch's cylinder barrel 15, in the present embodiment, the quantity of branch's cylinder barrel 15 is
It four and is distributed in crosswise, fixed column 16 is equipped between branch's cylinder barrel 15, one is provided with inside branch's cylinder barrel 15 and is pushed away
Bar 7,7 right end of push rod connect piston head 9, are machined with winding slot on piston head 9, are wound with electromagnetism in the winding slot of piston head 6
Coil 8；The wire lead slot that the lead of electromagnetic coil 8 passes through inside push rod 7 is connected with the power supply line 23 in the wire lead slot of piston rod 2
It connects.
7 left end of push rod is both connected on support frame 21, is connect in the middle part of 21 left end of support frame with 2 right end of piston rod, living
2 left end of stopper rod, which is pierced by damper left end cap 3 and is screwed, connects left lifting lug 1, and damper left end cap 3 passes through screw clearances cooperation and connects
Connect damper outer cylinder 4 and be sealed by a seal ring, be machined with circular through hole in the middle part of damper left end cap 3, piston rod 2 with
The cooperation of 3 circular through hole internal surface gaps of damper left end cap, and be sealed by sealing ring 22.
4 right end of damper outer cylinder by screw clearances mating connection damper right end cap 11 and by sealing ring into
Row sealing, 11 right end of damper right end cap middle part, which is screwed, connects right lifting lug 12.
It is fixedly connected with sealing-plug 6 and piston head 9 on push rod 7 inside branch's cylinder barrel 15, is connected on sealing-plug 6 close
Packing 18, and gasket 18 offsets with 15 inner wall of branch cylinder barrel, 7 right end of push rod that piston head 9 is fixed on, 9 right end of piston head
It is fixed with buffering accumulator 10 in branch's cylinder barrel 15, is set as in branch's cylinder barrel 15 between buffering accumulator 10 and piston head 9
Magnetorheological fluid cavity II 25, deflector hole 14 is offered on 15 side wall of branch's cylinder barrel, and magnetorheological fluid cavity II 25 passes through deflector hole 14
It is connected to the liquid collecting cavity 13 of 16 right end of fixed column, is equipped with throttle orifice 17 in the middle part of fixed column 16, magnetorheological fluid cavity II 25 passes through throttling
Hole 17 is connected to the magnetorheological fluid cavity I 24 inside 5 left end of magnetic conduction inner sleeve, and magnetorheological fluid is containing a large amount of diameters at 3-10 μm
The electromagnetic liquid of magnetic particle.
Preferably, in the present embodiment, 16 left end connecting support seat 19 of fixed column, connects between support base 19 and support frame 21
Spring 20 is connect, when piston rod 2 pushes support frame 21 to slide, compressed spring 20 carries out buffering accumulation of energy, improves the interior wound magnetic current
The output damping force of variable damping device.
Preferably, piston head 9 is No. 10 steel permeability magnetic materials, and piston head 9 is embedded in permanent magnet and the magnetic line of force generated is worn
It crosses piston head 9 and forms closed circuit.
Preferably, in the present embodiment, the access power supply line 23 parallel with one another of electromagnetic coil 8 connection inside branch's cylinder barrel 15
Circuit in, when electromagnetic coil 8 is not passed through electric current, permanent magnet generate the magnetic line of force pass through and perpendicular to mixing fluid course.
When electromagnetic coil 8 is passed through electric current, electromagnetic coil 8 passes through because of the magnetic line of force that galvanomagnetic-effect generates and circulates perpendicular to mixed liquor
Road, and double acting magnetic field is formed with permanent magnet.Due to magnetic fields, mixing magnetorheological fluid its viscosity at fluid course can increase
Greatly, yield stress enhances.Magnetorheological fluid flows through the mixing fluid course, need to overcome the intermolecular power of this catenation, from
And increase the viscous damping force of MR damper.By adjusting size of current in electromagnetic coil 8, bending for magnetorheological fluid can be changed
Stress is taken, required output damping force is reached, multiple 15 collective effects of branch's cylinder barrel improve the interior wound MR damper
Export damping force.
Technical principle of the utility model has been described above with reference to specific embodiments, is only the preferred implementation of the utility model
Mode.The protection scope of the utility model is not limited merely to above-described embodiment, technology belonging to the idea of the present invention
Scheme belongs to the protection scope of the utility model.Those skilled in the art, which does not need to pay for creative labor, to be associated
To other specific embodiments of the utility model, these modes are fallen within the protection scope of the utility model.
Claims (9)
1. a kind of interior wound MR damper of multi-cylinder cylinder linkage, including damper outer cylinder (4), setting are in damper outer shell
Cylinder (4) in branch's cylinder barrel (15) and be mounted in branch's cylinder barrel (15) push rod (7) composition, which is characterized in that the resistance
Magnetic conduction inner sleeve (5) are connected on Buddhist nun's device outer cylinder (4) inner wall, the quantity at least two of branch's cylinder barrel (15), branch's cylinder barrel
(15) fixed column (16) are equipped between, a push rod (7), the connection of push rod (7) right end are provided with inside branch's cylinder barrel (15)
Piston head (9), piston head are machined with winding slot on (9), and electromagnetic coil (8), push rod are wound in the winding slot of piston head (9)
(7) left end is both connected on support frame (21), is connect in the middle part of support frame (21) left end with piston rod (2) right end, and piston rod (2) is left
End, which is pierced by damper left end cap (3) and is screwed, to be connected left lifting lug (1), fixed in branch's cylinder barrel (15) of piston head (9) right end
There are buffering accumulator (10), is set as magnetorheological fluid in branch's cylinder barrel (15) between buffering accumulator (10) and piston head (9)
Cavity II (25) offers deflector hole (14) on branch's cylinder barrel (15) side wall, and magnetorheological fluid cavity II (25) passes through deflector hole
(14) it is connected to the liquid collecting cavity (13) of fixed column (16) right end, is equipped with throttle orifice (17) in the middle part of fixed column (16), magnetorheological fluid cavity
II (25) are connected to by throttle orifice (17) with the magnetorheological fluid cavity I (24) inside magnetic conduction inner sleeve (5) left end.
2. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 1, which is characterized in that described to lead
Magnetic inner sleeve (5) is that No. 10 steel permeability magnetic materials with a thickness of 15-30mm being arranged along damper outer cylinder (4) inner wall make.
3. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 1, which is characterized in that described point
The quantity of branch cylinder barrel (15) is four and is distributed in crosswise.
4. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 1, which is characterized in that the electricity
The lead of magnetic coil (8) passes through push rod (7) internal wire lead slot and is connected with the power supply line (23) in the wire lead slot of piston rod (2)
It connects.
5. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 4, which is characterized in that the resistance
Buddhist nun's device left end cap (3) passes through screw clearances mating connection damper outer cylinder (4) and is sealed by a seal ring, and damper is left
Circular through hole is machined in the middle part of end cap (3), piston rod (2) and damper left end cap (3) circular through hole internal surface gaps cooperate, and
It is sealed by sealing ring (22).
6. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 5, which is characterized in that the resistance
Buddhist nun's device outer cylinder (4) right end passes through screw clearances mating connection damper right end cap (11) and is sealed by a seal ring, and hinders
It is screwed in the middle part of Buddhist nun's device right end cap (11) right end and connects right lifting lug (12).
7. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 1, which is characterized in that in branch
It is fixedly connected with sealing-plug (6) and piston head (9) on the internal push rod (7) of cylinder barrel (15), sealing-plug is connected with gasket on (6)
(18), and gasket (18) offsets with branch cylinder barrel (15) inner wall, push rod (7) right end that piston head (9) is fixed on.
8. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 7, which is characterized in that described solid
Fixed column (16) left end connecting support seat (19), connecting spring (20) between support base (19) and support frame (21).
9. a kind of interior wound MR damper of multi-cylinder cylinder linkage according to claim 1, which is characterized in that the work
Chock plug (9) is No. 10 steel permeability magnetic materials, and piston head (9) is embedded in permanent magnet and the magnetic line of force generated passes through piston head (9) shape
At closed circuit；In the circuit of the internal electromagnetic coil (8) of branch's cylinder barrel (15) access power supply line (23) connection parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540237.2U CN208138376U (en) | 2018-04-17 | 2018-04-17 | A kind of interior wound MR damper of multi-cylinder cylinder linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820540237.2U CN208138376U (en) | 2018-04-17 | 2018-04-17 | A kind of interior wound MR damper of multi-cylinder cylinder linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138376U true CN208138376U (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820540237.2U Expired - Fee Related CN208138376U (en) | 2018-04-17 | 2018-04-17 | A kind of interior wound MR damper of multi-cylinder cylinder linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547908A (en) * | 2018-04-17 | 2018-09-18 | 安徽卓特信息技术有限公司 | A kind of interior wound MR damper of multi-cylinder cylinder linkage |
| CN110878807A (en) * | 2019-11-08 | 2020-03-13 | 中国科学院上海光学精密机械研究所 | Built-in mixed mode magneto-rheological damper |
-
2018
- 2018-04-17 CN CN201820540237.2U patent/CN208138376U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547908A (en) * | 2018-04-17 | 2018-09-18 | 安徽卓特信息技术有限公司 | A kind of interior wound MR damper of multi-cylinder cylinder linkage |
| CN110878807A (en) * | 2019-11-08 | 2020-03-13 | 中国科学院上海光学精密机械研究所 | Built-in mixed mode magneto-rheological damper |
| CN110878807B (en) * | 2019-11-08 | 2021-07-27 | 中国科学院上海光学精密机械研究所 | Built-in mixed mode magneto-rheological damper |
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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: 20181123 Termination date: 20190417 |