CN115045948A - Dual loss reduction structure of magnetorheological fluid damper - Google Patents
Dual loss reduction structure of magnetorheological fluid damper Download PDFInfo
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- CN115045948A CN115045948A CN202210605822.7A CN202210605822A CN115045948A CN 115045948 A CN115045948 A CN 115045948A CN 202210605822 A CN202210605822 A CN 202210605822A CN 115045948 A CN115045948 A CN 115045948A
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- magnetorheological fluid
- fluid damper
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- 239000012530 fluid Substances 0.000 title claims abstract description 29
- 230000009977 dual effect Effects 0.000 title claims description 12
- 230000009467 reduction Effects 0.000 title abstract description 13
- 210000003454 tympanic membrane Anatomy 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 8
- 229920000459 Nitrile rubber Polymers 0.000 claims description 7
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 5
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- 244000309464 bull Species 0.000 claims 2
- 230000009471 action Effects 0.000 abstract description 11
- 238000013016 damping Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—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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- 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
- F16F9/3207—Constructional features
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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
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
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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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
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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 invention relates to the technical field of vehicle damping devices and discloses a double loss reduction structure of a magnetorheological fluid damper, which comprises a cylinder, wherein an oil storage layer is arranged on the inner wall of the cylinder, a notch is formed in the top of the cylinder, a sliding rod is connected to the inner wall of the notch in a sliding manner, a coil is fixedly assembled on the outer edge of the sliding rod close to the bottom of the sliding rod, a piston is fixedly assembled at the bottom of the sliding rod, a sleeve is fixedly assembled on the outer edge of the sliding rod, and a first handle is fixedly assembled on the top of the sliding rod. According to the double consumption reducing structure of the magnetorheological fluid damper, under the auxiliary action of the tympanic membrane and the air inlet, when the device runs, the slide rod moves and drives the sleeve to move, air in the inner cavity of the sleeve enters the space between the air inlet and the tympanic membrane through the air inlet, and then the tympanic membrane is pushed to promote the friction layer and the outer edge of the slide rod to generate friction force.
Description
Technical Field
The invention relates to the technical field of vehicle damping devices, in particular to a double loss reduction structure of a magnetorheological fluid damper.
Background
Under the action of an external magnetic field, the magneto-rheological damper shows the characteristic of non-Newtonian fluid, and changes free flowing liquid into semisolid or even solid within millisecond time, thereby showing strong controllable rheological characteristic.
The various frictional and other damping effects that damp free vibrations are called damping, while "special" elements placed on the structural system can provide resistance to movement, a device that dissipates the energy of the movement, called a damper.
On one hand, most of the traditional magnetorheological fluid dampers utilize coils to convert magnetizable oil in the device into non-Newtonian fluid through the action of a magnetic field, and utilize the liquid oil and the non-Newtonian fluid to form internal and external pressure operation, so that the energy consumption of the magnetizable oil in the device body is high, and on the other hand, the traditional magnetorheological fluid dampers adopt springs to perform auxiliary consumption reduction outside, but the auxiliary consumption reduction effect which can be realized by the spring body is small, and the consumption reduction structure required by the existing damper cannot be met.
Disclosure of Invention
The invention provides a double loss reducing structure of a magnetorheological fluid damper, which has the advantage of double loss reduction of the damper and solves the problems of large energy consumption and gradual effect reduction of a loss reducing device of the traditional magnetorheological fluid damper.
The invention provides the following technical scheme: the utility model provides a dual subtracts and consumes structure of magnetic current rheologic liquid attenuator, includes the drum, the oil reservoir has been seted up to the inner wall of drum, the notch has been seted up at the top of drum, the inner wall sliding connection of notch has the slide bar, the slide bar is close to the outer fixed coil that is equipped with along the bottom, the fixed piston that is equipped with in bottom of slide bar, the outer fixed sleeve that is equipped with along the slide bar, the fixed first handle that is equipped with in top of slide bar, the fixed second handle that is equipped with in bottom of drum, the air inlet has been seted up at the drum top, the one end at drum top and the inner wall intercommunication of notch are kept away from to the air inlet, the fixed eardrum that is equipped with in inner wall of notch.
Preferably, the bottom of the sleeve is fixedly provided with an inner cylinder, the outer edge of the cylinder is fixedly provided with an outer cylinder, and the outer edge of the inner cylinder is in sliding connection with the inner wall of the outer cylinder.
Preferably, a spring is fixedly assembled at the bottom of the inner wall of the outer cylinder, a first fixed magnet is fixedly assembled on the inner wall of the outer cylinder, a second fixed magnet is fixedly assembled on the outer edge of the inner cylinder, and the first fixed magnet and the second fixed magnet are distributed in an opposite structure.
Preferably, one end of the tympanic membrane far away from the notch is fixedly provided with a friction layer, and the outer edge of the friction layer is in sliding connection with the outer edge of the sliding rod.
Preferably, the bottom of the inner wall of the notch is fixedly provided with a sealing plug, the outer edge of the sealing plug is in sliding connection with the outer edge of the sliding rod, and the inner wall of the top of the oil storage layer is provided with an oil inlet.
Preferably, a first circular groove is formed in the bottom of the inner wall of the cylinder, the bottom of the first circular groove is communicated with the inner cavity of the oil storage layer, a first rotating rod is fixedly assembled at the bottom of the inner wall of the oil storage layer and the bottom of the inner wall of the cylinder, a first baffle is sleeved on the outer edge of the first rotating rod in a rotating mode, and the top of the first baffle is in lap joint with the bottom of the inner wall of the first circular groove.
Preferably, the top of the coil is provided with a second circular groove, the bottom of the coil is fixedly provided with a second rotating rod, and the outer edge of the second rotating rod is rotatably sleeved with a second baffle.
Preferably, the tympanic membrane is made of linear low density polyethylene film.
Preferably, the friction layer is made of butadiene-acrylonitrile rubber, and the content of acrylonitrile in the butadiene-acrylonitrile rubber is 31-35.
The invention has the following beneficial effects:
1. according to the double loss reducing structure of the magnetorheological fluid damper, under the auxiliary action of the tympanic membrane and the air inlet, when the device runs, the slide rod moves and drives the sleeve to move, air in the inner cavity of the sleeve enters the space between the air inlet and the tympanic membrane through the air inlet, and then the tympanic membrane is pushed to enable the friction layer and the outer edge of the slide rod to generate friction force.
2. The double loss reduction structure of the magnetorheological fluid damper is used by matching the inner cylinder with the outer cylinder, when the device operates, the sliding rod drives the inner cylinder to move in the inner wall of the outer cylinder through the sleeve, the first fixed magnet and the second fixed magnet are utilized, like poles repel each other, when the inner cylinder enters the inner wall of the outer cylinder to move downwards, the inner cylinder moves upwards under the auxiliary action of the spring due to the repulsion of magnetism, and compared with the traditional magnetorheological fluid damper, the double loss reduction structure of the magnetorheological fluid damper is better than the traditional spring damping auxiliary action.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic side sectional view of a portion of a reservoir according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is a schematic side sectional view of a cylindrical portion of the present invention;
FIG. 7 is an enlarged view of the structure at C in FIG. 6 according to the present invention;
FIG. 8 is a schematic side sectional view of the outer cylinder of the present invention;
FIG. 9 is a schematic structural view of the working principle of the inner cylinder of the present invention;
FIG. 10 is a schematic structural diagram of the working principle of the outer barrel of the present invention.
In the figure: 1. a cylinder; 2. an oil reservoir; 3. a notch; 4. a slide bar; 5. an air inlet; 6. a tympanic membrane; 7. a sleeve; 8. a first grip; 9. a first circular groove; 10. a second grip; 11. a first baffle; 12. a coil; 13. a second circular groove; 14. a second baffle; 15. an inner barrel; 16. an outer cylinder; 17. a spring; 18. a first fixed magnet; 19. a second fixed magnet; 20. an oil inlet; 21. a sealing plug; 22. a second rotating rod; 23. a first rotating lever; 24. a friction layer; 25. a piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a dual consumption reduction structure of a magnetorheological fluid damper comprises a cylinder 1, an oil storage layer 2 is disposed on the inner wall of the cylinder 1, a notch 3 is disposed on the top of the cylinder 1, a sliding rod 4 is slidably connected to the inner wall of the notch 3, a coil 12 is fixedly disposed on the outer edge of the sliding rod 4 close to the bottom, a piston 25 is fixedly disposed on the bottom of the sliding rod 4, a sleeve 7 is fixedly disposed on the outer edge of the sliding rod 4, a first grip 8 is fixedly disposed on the top of the sliding rod 4, a second grip 10 is fixedly disposed on the bottom of the cylinder 1, an air inlet 5 is disposed on the top of the cylinder 1, one end of the air inlet 5 away from the top of the cylinder 1 is communicated with the inner wall of the notch 3, a tympanic membrane 6 is fixedly disposed on the inner wall of the notch 3, the second grip 10 is fixed by an external device, the first grip 8 is slid, the piston 25 and the coil 12 are used in cooperation, so that magnetizable oil in the storage device is converted into non-newton fluid under the action of a magnetic field, when the first handle 8 moves, the sleeve 7 drives the internal airflow to flow with the internal airflow of the air inlet 5, so as to drive the tympanic membrane 6 to move, and the tympanic membrane is attached to the slide bar 4 to perform a damping effect, so that the magnetic loss of the magnetorheological fluid in the magnetorheological fluid damper of the device body is reduced.
As shown in fig. 1 and 2, the bottom of the sleeve 7 is fixedly provided with an inner cylinder 15, the outer edge of the cylinder 1 is fixedly provided with an outer cylinder 16, the outer edge of the inner cylinder 15 is in sliding connection with the inner wall of the outer cylinder 16, and through the matching use of the inner cylinder 15 and the outer cylinder 16, compared with the traditional method that the outer sleeve is connected with a damping spring for auxiliary damping, the operation is more stable, the outer cylinder 16 limits the inner cylinder 15, so that the inner cylinder 15 is ensured to move in the inner wall of the outer cylinder 16 all the time, and the stability of the device is embodied.
As shown in fig. 8, 9 and 10, a spring 17 is fixedly assembled at the bottom of the inner wall of the outer cylinder 16, a first fixed magnet 18 is fixedly assembled at the inner wall of the outer cylinder 16, a second fixed magnet 19 is fixedly assembled at the outer edge of the inner cylinder 15, the first fixed magnet 18 and the second fixed magnet 19 are opposite in structural distribution, the first fixed magnet 18 is fixedly assembled at the inner wall of the outer cylinder 16 by matching the first fixed magnet 18 and the second fixed magnet 19, the N pole of the first fixed magnet 18 is slidably connected with the outer edge of the inner cylinder 15, the S pole is slidably connected with the inner wall of the inner cylinder 15, the second fixed magnet 19 is fixedly assembled at the outer edge of the inner cylinder 15, the N pole of the second fixed magnet 19 is slidably connected with the N pole of the first fixed magnet 18, the S pole of the second fixed magnet 19 is slidably connected with the S pole of the first fixed magnet 18, and the consumption reduction is carried out by an auxiliary device by utilizing the principle that like poles repel each other.
As shown in fig. 2 and 3, a friction layer 24 is fixedly assembled at one end of the tympanic membrane 6 away from the notch 3, an outer edge of the friction layer 24 is slidably connected with an outer edge of the slide bar 4, and the friction layer 24 is fixedly assembled at the outer edge of the tympanic membrane 6, so that when the slide bar 4 moves downwards, the tympanic membrane 6 pushes the outer edge of the friction layer 24 to slide along the outer edge of the slide bar 4 to generate friction, and the friction layer 24 generates a protective effect on the tympanic membrane 6, thereby preventing the slide bar 4 from directly contacting with the tympanic membrane 6 to wear the tympanic membrane 6 body, and promoting the stable operation of the device.
As shown in fig. 2 and 3, a sealing plug 21 is fixedly assembled at the bottom of the inner wall of the notch 3, the outer edge of the sealing plug 21 is slidably connected with the outer edge of the sliding rod 4, an oil inlet 20 is formed in the inner wall of the top of the oil storage layer 2, the sealing plug 21 is additionally arranged on the inner wall of the notch 3, magnetizable oil in the device is protected, and oil in the device is prevented from seeping out.
As shown in fig. 4 and 5, a first circular groove 9 is formed in the bottom of the inner wall of the cylinder 1, the bottom of the first circular groove 9 is communicated with the inner cavity of the oil storage layer 2, a first rotating rod 23 is fixedly assembled at the bottom of the inner wall of the oil storage layer 2 and the bottom of the inner wall of the cylinder 1, a first baffle 11 is sleeved on the outer edge of the first rotating rod 23 in a rotating manner, the top of the first baffle 11 is overlapped with the bottom of the inner wall of the first circular groove 9, the first baffle 11 is used in cooperation with the first circular groove 9, when the sliding rod 4 moves downwards, the first baffle 11 is pushed to move towards the direction far away from the first circular groove 9 along the outer edge of the first rotating rod 23, oil at the bottom of the coil 12 enters the oil storage layer 2 through the first circular groove 9, when the sliding rod 4 moves upwards, the first baffle 11 is pushed to be attached to the outer edge of the first circular groove 9, and the oil storage layer 2 is pushed to enter the inner cavity of the cylinder 1 through the oil inlet 20.
As shown in fig. 2 and 7, a second circular groove 13 is formed in the top of the coil 12, a second rotating rod 22 is fixedly assembled at the bottom of the coil 12, a second baffle 14 is sleeved on the outer edge of the second rotating rod 22 in a rotating manner, when the sliding rod 4 moves down, liquid oil on the top of the coil 12 pushes the second baffle 14 to move in a direction away from the second circular groove 13, at this time, the liquid oil changes form through a magnetic field of the coil 12, and when the sliding rod 4 moves up, the second baffle 14 is attached to the inner wall of the second circular groove 13, so that the internal stable operation of the device is promoted.
As shown in fig. 2, the tympanic membrane 6 is made of a linear low density polyethylene film, which has a high softening temperature and melting temperature, has the advantages of high strength, good toughness, high rigidity, good heat resistance and cold resistance, good environmental stress cracking resistance, impact strength resistance, tear strength resistance, acid resistance, alkali resistance, organic solvent resistance, and the like, and has stability and strong adaptability to the external environment, thereby prolonging the service life of the device.
As shown in figure 2, the friction layer 24 is made of butadiene-acrylonitrile rubber, the acrylonitrile content in the butadiene-acrylonitrile rubber is 31-35, the acrylonitrile content (%) in the butadiene-acrylonitrile rubber is 42-46, 36-41, 31-35, 25-30, 18-24 and the like, the oil resistance is better, but the cold resistance is correspondingly reduced, the acrylonitrile content is 31-35, when the friction layer 24 is in contact with the sliding rod 4, the friction force of the sliding rod 4 is prevented from being influenced due to the long-term contact of the sliding rod 4 with liquid oil, on the other hand, the friction layer can be stably used in cold weather, the friction layer can be used in 120 ℃ air or 150 ℃ oil for a long time, and the friction layer has good water resistance, air tightness and excellent bonding performance, and the friction layer is ensured to be tightly attached to the tympanic membrane 6.
The working principle is that when the device needs to be used, the first handle 8 moves downwards and pushes the sliding rod 4 to move in the same direction, the sliding rod 4 drives the coil 12 and the piston 25 to move downwards, the magnetized oil at the bottom of the coil 12 pushes the sliding rod 4 to move upwards, part of the magnetized oil enters the oil storage layer 2 through the first baffle 11 and then enters the coil top 12 of the inner cavity of the cylinder 1 through the oil inlet 20, when the sliding rod 4 moves upwards, the coil 12 is driven to move upwards, the second baffle 14 is driven to move in the direction away from the second circular groove 13, the liquid oil at the top of the coil 12 enters the bottom of the coil 12 through the second circular groove 13 under the influence of the magnetic field of the coil 12, when the sliding rod 4 moves downwards, the sleeve 7 drives the gas inside the sleeve 7 to move towards the direction of the sliding rod 4 through the gas inlet 5 to push the tympanic membrane 6 to generate friction with the outer edge of the sliding rod 4, when the sliding rod 4 moves upwards, the gas inside the gas inlet 5 moves towards the inner cavity of the sleeve 7, when the eardrum 6 is pulled to move towards the air inlet 5 and the slide rod 4 moves downwards, the sleeve 7 pushes the inner cylinder 15 to move downwards in the inner wall of the outer cylinder 16, and the slide rod 4 is pushed to move upwards through the auxiliary action of the first fixed magnet 18, the second fixed magnet 19 and the spring 17.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A double consumption reducing structure of a magnetorheological fluid damper comprises a cylinder (1), and is characterized in that: oil reservoir (2) have been seted up to the inner wall of drum (1), notch (3) have been seted up at the top of drum (1), the inner wall sliding connection of notch (3) has slide bar (4), the outer edge fixed coil (12) that is close to the bottom of slide bar (4), the bottom fixed piston (25) that is equipped with of slide bar (4), the outer edge fixed sleeve (7) that is equipped with of slide bar (4), the top fixed first handle (8) that is equipped with of slide bar (4), the bottom fixed second handle (10) that is equipped with of drum (1), air inlet (5) have been seted up at drum (1) top, the one end at drum (1) top and the inner wall intercommunication of notch (3) are kept away from in air inlet (5), the inner wall fixed tympanic membrane (6) that is equipped with of notch (3).
2. The dual dissipative structure of a magnetorheological fluid damper of claim 1, wherein: the bottom of the sleeve (7) is fixedly provided with an inner cylinder (15), the outer edge of the cylinder (1) is fixedly provided with an outer cylinder (16), and the outer edge of the inner cylinder (15) is in sliding connection with the inner wall of the outer cylinder (16).
3. The dual dissipative structure of a magnetorheological fluid damper of claim 2, wherein: the bottom of the inner wall of the outer cylinder (16) is fixedly provided with a spring (17), the inner wall of the outer cylinder (16) is fixedly provided with a first fixed magnet (18), the outer edge of the inner cylinder (15) is fixedly provided with a second fixed magnet (19), and the first fixed magnet (18) and the second fixed magnet (19) are distributed in an opposite structure.
4. The dual dissipative structure of a magnetorheological fluid damper of claim 1, wherein: the end of the tympanic membrane (6) far away from the notch (3) is fixedly provided with a friction layer (24), and the outer edge of the friction layer (24) is connected with the outer edge of the sliding rod (4) in a sliding way.
5. The dual dissipative structure of a magnetorheological fluid damper of claim 1, wherein: the bottom of notch (3) inner wall is fixed and is equipped with sealing plug (21), the outer edge of sealing plug (21) and the outer edge sliding connection of slide bar (4), oil inlet (20) have been seted up to the inner wall at oil reservoir (2) top.
6. The dual dissipative structure of a magnetorheological fluid damper of claim 1, wherein: first circular slot (9) have been seted up to the bottom of drum (1) inner wall, the bottom of first circular slot (9) and the inner chamber intercommunication of oil reservoir (2), the bottom of oil reservoir (2) inner wall and the bottom fixed assembly of drum (1) inner wall have first bull stick (23), first baffle (11) have been cup jointed along rotating to the outer edge of first bull stick (23), the top of first baffle (11) and the bottom overlap joint of first circular slot (9) inner wall.
7. The dual dissipative structure of a magnetorheological fluid damper of claim 1, wherein: the top of the coil (12) is provided with a second circular groove (13), the bottom of the coil (12) is fixedly provided with a second rotating rod (22), and the outer edge of the second rotating rod (22) is rotatably sleeved with a second baffle (14).
8. The dual dissipative structure of a magnetorheological fluid damper of claim 1, wherein: the tympanic membrane (6) is made of a linear low-density polyethylene film.
9. The dual dissipative structure of a magnetorheological fluid damper according to claim 4, wherein: the friction layer (24) is made of butadiene-acrylonitrile rubber, and the content of acrylonitrile in the butadiene-acrylonitrile rubber is 31-35%.
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| CN202210605822.7A CN115045948A (en) | 2022-05-31 | 2022-05-31 | Dual loss reduction structure of magnetorheological fluid damper |
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| CN202210605822.7A CN115045948A (en) | 2022-05-31 | 2022-05-31 | Dual loss reduction structure of magnetorheological fluid damper |
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| JP2006207771A (en) * | 2005-01-31 | 2006-08-10 | Hitachi Ltd | Hydraulic buffer and suspension device |
| US20060219506A1 (en) * | 2005-03-31 | 2006-10-05 | Zdeb David T | Shock absorber including supplemental friction generating device |
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| CN107606041A (en) * | 2017-10-29 | 2018-01-19 | 华东交通大学 | The type hybrid damper that MR damper and eddy current damper combine |
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Application publication date: 20220913 |