CN114810909B - Magnetorheological fluid damper with controllable hierarchical adjustment function - Google Patents
Magnetorheological fluid damper with controllable hierarchical adjustment function Download PDFInfo
- Publication number
- CN114810909B CN114810909B CN202210502374.8A CN202210502374A CN114810909B CN 114810909 B CN114810909 B CN 114810909B CN 202210502374 A CN202210502374 A CN 202210502374A CN 114810909 B CN114810909 B CN 114810909B
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- CN
- China
- Prior art keywords
- pipe
- limiting
- piston rod
- positioning
- oil injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012530 fluid Substances 0.000 title claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims abstract description 65
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000009825 accumulation Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 238000013016 damping Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 23
- 230000007547 defect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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
-
- 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
- F16F9/54—Arrangements for attachment
Abstract
The invention discloses a controllable magnetorheological fluid damper capable of being adjusted in a grading mode, which comprises a limiting pipe, a first oil injection pipe and a limiting clamp, wherein the first oil injection pipe is arranged at the top of the limiting pipe, the limiting clamp is clamped on the outer surface of the limiting pipe, a magnetic sleeve is connected inside the limiting pipe in a sliding mode, a first piston rod is arranged at the top of the magnetic sleeve, a second piston rod is inserted at the bottom of the magnetic sleeve, two groups of limiting springs are arranged on the inner top wall of the limiting pipe, connecting springs are arranged on the inner bottom wall of the limiting pipe, and an accumulator sponge is arranged on the inner bottom wall of the magnetic sleeve. According to the invention, the limiting piston is attached to the inner wall of the magnetic sleeve, so that the resistance effect of the limiting piston during sliding is increased, then the magnetic connection sliding of the magnetic sleeve and the arrangement of the pressure accumulation sponge are realized during use of the device, so that the damping efficiency in the device is regulated and controlled, the damping effect of the first piston rod and the second piston rod during sliding is increased, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the technical field of damper equipment, in particular to a controllable magnetorheological fluid damper with hierarchical adjustment.
Background
The damper is also called a damping device. In order to quickly attenuate the vibration generated by impact to produce a damping-increasing device, the magnetorheological fluid damper is one of the devices, but with the increase of the use demands, the use of the existing part of magnetorheological fluid damper has certain defects, so that the existing use demands are difficult to meet; the magnetorheological fluid damper in the prior art has the following defects:
1. when the existing partial magnetorheological fluid damper is used, the internal damping effect of the existing partial magnetorheological fluid damper is lack of an applicable adjustable structure, and the inside of the device is difficult to play a better damping effect;
2. when the existing magnetorheological fluid damper is used, the device connecting structure is not enough in detachability, so that the device is inconvenient to detach and replace, and the usability of the device is affected;
3. the outer surface of the device is lack of a suitable protective structure under different installation environments in the existing part of magnetorheological fluid damper structures.
Disclosure of Invention
The invention aims to provide a controllable magnetorheological fluid damper with hierarchical adjustment so as to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides a controllable magnetorheological fluid damper with hierarchical adjustment, which comprises a limiting pipe, a first oil injection pipe and a limiting clamp, wherein the first oil injection pipe is arranged at the top of the limiting pipe, and the limiting clamp is clamped on the outer surface of the limiting pipe;
the inside sliding connection of spacing pipe has the magnetic sleeve, first piston rod is installed at the magnetic sleeve top, the second piston rod has been inserted to the magnetic sleeve's bottom, two sets of limit springs are installed to the interior roof of spacing pipe, the interior bottom wall of spacing pipe is provided with the linking spring, the interior bottom wall of magnetic sleeve is provided with the pressure accumulation sponge, the top of second piston rod is provided with spacing piston, and spacing piston sliding connection and magnetic sleeve's inner wall.
Preferably, the front ends of the first piston rod and the second piston rod are respectively provided with a threaded rod, the outer surface of the threaded rod is sleeved with a connecting sleeve, the front end of the connecting sleeve is provided with an installation head, the outer surface of the connecting sleeve is in threaded penetrating connection with a fixing bolt, and the front end of the fixing bolt is in threaded connection with the inner part of the threaded rod.
Preferably, the surface of spacing pipe has been seted up a plurality of joint groove, and the inside in the joint groove of the inner wall joint of spacing clamp, the buffer tube is installed in the outside of spacing clamp, the front end of protecting the buffer tube is pegged graft and is had the buffer pole, spacing handle is installed to the front end of buffer pole, the inner wall of buffer tube is provided with buffer spring, and buffer spring's front end is connected in the tail end of buffer pole.
Preferably, the second filler pipe is installed to the bottom of spacing pipe, storage storehouse has all been seted up to the inside of first filler pipe and second filler pipe, storage storehouse inner wall all gomphosis installation through-hole piece has all been seted up to the inside of first filler pipe and second filler pipe.
Preferably, the top of the first filler pipe is provided with a first positioning pipe, and the outer surface of the first piston rod penetrates through the first filler pipe and the inside of the first positioning pipe.
Preferably, the bottom of the second oil filler pipe is provided with a second positioning pipe, and the outer surface of the second piston rod penetrates through the second oil filler pipe and the inside of the second positioning pipe.
Preferably, the sealing rings are arranged at the tail ends of the first positioning pipe and the second positioning pipe, the outer surfaces of the sealing rings are connected with the inner parts of the first oil injection pipe and the second oil injection pipe in a threaded mode, the sealing rings are located at the top of the storage bin, and dust covers are arranged on the inner walls of the first positioning pipe and the second positioning pipe.
Preferably, the outer surfaces of the connecting sleeve and the first piston rod are sleeved with positioning rings, a supporting rod is arranged between the two groups of positioning rings, a control bolt is connected with the outer surface of the positioning rings in a threaded penetrating manner, and a stop piece is arranged at the front end of the control bolt.
Preferably, the front end and the tail end of the limiting clamp are both provided with fixing plates, the internal threads of the fixing plates are connected with connecting bolts in a penetrating way, two groups of telescopic rod assemblies are arranged on the outer side of the limiting clamp, and the front ends of the telescopic rod assemblies are connected to the inner side of the limiting handle.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the limiting piston is attached to the inner wall of the magnetic sleeve, so that the resistance effect when the limiting piston slides is increased, then the magnetic connection sliding of the magnetic sleeve and the arrangement of the pressure accumulation sponge are realized when the device is used, the damping efficiency in the device is regulated and controlled, the damping effect when the first piston rod and the second piston rod slide is increased, and the practicability of the device is improved;
2. according to the invention, through the sleeving of the positioning ring, the limiting rotation of the bolt can be controlled, so that the limiting pushing effect on the stop sheet is realized, and under the connecting effect of the supporting rod, the stability of the connecting sleeve after installation and connection can be increased again, so that the loosening influence caused by accidental rotation of the structure is avoided, and convenience is brought to the use of the installation head;
3. according to the invention, through the limiting usability of the limiting grip on the buffer rod, convenience is added for the handheld use of the device, and when the device is installed and used, a plurality of clamping grooves on the limiting tube can be formed, so that the limiting tube is installed and connected through a plurality of limiting clamps, and a certain limiting protection effect is achieved on the outer surface of the limiting tube.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a splice sleeve according to the present invention;
FIG. 3 is a schematic cross-sectional view of a spacing tube according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first positioning tube structure of the present invention;
FIG. 5 is a schematic cross-sectional view of a spacing clip according to the present invention;
FIG. 6 is a schematic cross-sectional view of a retaining ring according to the present invention;
FIG. 7 is a schematic cross-sectional view of the threaded rod structure of the present invention;
fig. 8 is a schematic cross-sectional view of a magnetic sleeve structure of the present invention.
In the figure: 1. a limiting tube; 2. a first filler pipe; 3. a limiting clamp; 4. a magnetic sleeve; 5. a first piston rod; 6. a second piston rod; 7. a limit spring; 8. a connecting spring; 9. a pressure accumulating sponge; 10. a limit piston; 11. a threaded rod; 12. a connecting sleeve; 13. a mounting head; 14. a fixing bolt; 15. a clamping groove; 16. a buffer tube; 17. a buffer rod; 18. a limit grip; 19. a buffer spring; 20. a second filler pipe; 21. a storage bin; 22. a through-hole sheet; 23. a first positioning tube; 24. a second positioning tube; 25. a seal ring; 26. a dust cover; 27. a positioning ring; 28. a support rod; 29. a control bolt; 30. stopping the sheet; 31. a fixing piece; 32. a connecting bolt; 33. a telescopic rod assembly.
Detailed Description
Referring to fig. 1, 3, 4 and 8, a controllable, step-adjustable magnetorheological fluid damper;
comprises a limiting pipe 1, a first oil filler pipe 2 and a limiting clamp 3, wherein the first oil filler pipe 2 is arranged at the top of the limiting pipe 1, the limiting clamp 3 is clamped at the outer surface of the limiting pipe 1, a magnetic sleeve 4 is slidably connected inside the limiting pipe 1, a first piston rod 5 is arranged at the top of the magnetic sleeve 4, a second piston rod 6 is inserted at the bottom of the magnetic sleeve 4, two groups of limiting springs 7 are arranged on the inner top wall of the limiting pipe 1, a connecting spring 8 is arranged on the inner bottom wall of the magnetic sleeve 4, an accumulation sponge 9 is arranged on the inner bottom wall of the magnetic sleeve 4, a limiting piston 10 is arranged at the top of the second piston rod 6, a second oil filler pipe 20 is arranged at the bottom of the limiting pipe 1, storage bins 21 are respectively arranged inside the first oil filler pipe 2 and the second oil filler pipe 20, through hole pieces 22 are respectively embedded and arranged on the inner walls of the storage bins 21, the first positioning pipe 23 is arranged at the top of the first oil filler pipe 2, the outer surface of the first piston rod 5 penetrates through the first oil filler pipe 2 and the first positioning pipe 23, through the arrangement of the limiting pipe 1 and the magnetic sleeve 4, the device is arranged in the limiting pipe 1 during use, the first piston rod 5 performs a limiting function on the movement of the magnetic sleeve 4 under the positioning action of the first oil filler pipe 2 and the first positioning pipe 23, and the second piston rod 6 performs a drawing action on the top and the bottom of the limiting pipe 1 under the positioning action of the second oil filler pipe 20 and the second positioning pipe 24, and the first piston rod 5 performs a drawing action on the magnetic sleeve 4 in the limiting pipe 1 during drawing and pulling use, and the limiting pipe 1 is internally provided with the limiting spring 7 and the connecting spring 8, so that the movement of the magnetic sleeve 4 is limited, and the outer surface of the magnetic sleeve 4 has a certain magnetism, and can play absorbing effect with spacing spring 7 and linking spring 8 to add magnetic sleeve 4 and all influence by the holding power from top to bottom in the slip use, and through the relation of magnetism connection, thereby add the stability of magnetic sleeve 4 activity, second positioning tube 24 is installed to the bottom of second oil filler tube 20, and the surface of second piston rod 6 runs through in the inside of second oil filler tube 20 and second positioning tube 24, sealing ring 25 is all installed to the tail end of first positioning tube 23 and second positioning tube 24, and the surface of sealing ring 25 all threaded connection is in the inside of first oil filler tube 2 and second oil filler tube 20, sealing ring 25 is located the top of storage bin 21, the inner wall of first positioning tube 23 and second positioning tube 24 all is provided with dust cover 26, the setting of accessible storage bin 21 in first oil filler tube 2 and the second oil filler tube 20, dismantle the back through sealing ring 25, then carry out the injection work of lubricating oil to the inside of storage bin 21, and the lubricating oil in the storage bin 21 can slowly flow into through setting up of through hole piece 22 first positioning tube 23 or second positioning tube 24, and movable piston rod 5 play the effect to the second piston rod 6 when the piston rod is located in the second positioning tube 24, thereby movable piston rod 5.
Referring to fig. 1, 2, 6 and 7, a controllable, step-adjusted magnetorheological fluid damper;
the threaded rod 11 is installed to the front end of first piston rod 5 and second piston rod 6, the engagement sleeve 12 has been cup jointed to the surface of threaded rod 11, install the installation head 13 in the front end of engagement sleeve 12, the surface screw thread through-connection of engagement sleeve 12 has fixing bolt 14, and fixing bolt 14's front end threaded connection is in the inside of threaded rod 11, the holding ring 27 has all been cup jointed to the surface of engagement sleeve 12 and first piston rod 5, install bracing piece 28 between two sets of holding rings 27, the surface screw thread through-connection of holding ring 27 has control bolt 29, and the front end of control bolt 29 is provided with and blocks piece 30, through the setting of threaded rod 11 and engagement sleeve 12, engagement sleeve 12 carries out threaded connection to the surface of threaded rod 11, then add the convenience of engagement sleeve 12 installation dismantlement, and the setting of accessible fixing bolt 14 plays spacing fixed effect to the installation connection of threaded rod 11 and engagement sleeve 12, then add its structural installation connection's stability, and through the relationship of threaded connection between engagement sleeve 12 and threaded rod 11, and fixing bolt 14 installation connection's convenience, install the convenience of changing work for installation head 13 and then, and change work and add the bracing piece through holding ring 27 and setting up through holding ring 27 and 28 and the setting up at the same outer surface of the first piston rod 12, the first piston rod 12 of the first piston rod is suitable for the first sleeve 12 of installing and the first sleeve 12, the second sleeve 12 of the first sleeve 12 of the setting up, the connection sleeve 12 of the connection, the first sleeve of the second sleeve is connected through setting up, the first sleeve 12, the outer surface of the connection sleeve 12, the connection is suitable for the connection.
Referring to fig. 1 and 5, a controllable magnetorheological fluid damper with hierarchical adjustment;
the outer surface of spacing pipe 1 has seted up a plurality of joint groove 15, and the inside in joint groove 15 of the inner wall joint of spacing clamp 3, buffer tube 16 is installed in the outside of spacing clamp 3, buffer rod 17 has been pegged graft to the front end of protecting buffer tube 16, spacing handle 18 is installed to the front end of buffer rod 17, the inner wall of buffer tube 16 is provided with buffer spring 19, and buffer spring 19's front end is connected in the tail end of buffer rod 17, stationary blade 31 is all installed to the front end and the tail end of spacing clamp 3, the internal thread through connection of stationary blade 31 has linking bolt 32, the outside of spacing clamp 3 is provided with two sets of telescopic link assemblies 33, and the front end of telescopic link assembly 33 is connected in the inboard of spacing handle 18, through the setting of spacing clamp 3 and joint groove 15, relative spacing clamp 3 can dock in joint groove 15 on spacing pipe 1, and through the setting of stationary blade 31 and linking bolt 32, connect fixedly between the spacing clamp 3 that connects, thereby add its stability on spacing pipe 1. When the buffer tube 16, the buffer rod 17 and the buffer spring 19 are arranged on the limiting clamp 3, and then the rebound resilience of the buffer spring 19 is acted, so that the limiting activity of the buffer rod 17 in the buffer tube 16 is increased, the telescopic rod assembly 33 is arranged, the telescopic usability of the telescopic rod assembly can be realized, the auxiliary limiting effect on the movement of the limiting handle 18 is realized, and the movement stability of the telescopic rod assembly is increased.
The working principle is that through the arrangement of the limit pipe 1 and the magnetic sleeve 4, the device is arranged in the limit pipe 1 when in use, the first piston rod 5 is under the positioning action of the first oil filling pipe 2 and the first positioning pipe 23, and the second piston rod 6 is under the positioning action of the second oil filling pipe 20 and the second positioning pipe 24, so that the top and the bottom of the limit pipe 1 can be pumped, and the first piston rod 5 can play a role in pulling the magnetic sleeve 4 in the interior of the limit pipe 1 when in use, and the limit pipe 1 is internally provided with the limit spring 7 and the engagement spring 8, thereby playing a limit role in the movement of the magnetic sleeve 4, and the outer surface of the magnetic sleeve 4 has a certain magnetic property, and plays an adsorption role with the limit spring 7 and the engagement spring 8, thereby adding the magnetic sleeve 4 to the upper and lower blocking force influence in the sliding use process, and adding the movable stability of the magnetic sleeve 4 through the magnetic connection, and when the second piston rod 6 is in motion, the limit sleeve 10 can be driven, and through the arrangement of the sponge 9, thereby playing a role in pulling the limit piston 10, and the limit sleeve 10 can be mounted on the threaded rod 12 through the movable connection of the threaded rod, the threaded rod is added and the threaded rod is fixedly connected with the threaded rod 11 through the threaded rod 11, the threaded rod 11 is fixedly connected with the threaded sleeve 11 through the threaded rod 11, the threaded connection 11 is connected with the threaded rod 11, the threaded rod 11 is connected with the threaded rod 11 through the threaded connection 11, the threaded connection 11 is fixedly arranged through the threaded connection 11, and the convenience of fixing bolt 14 installation connection, then add convenience for the installation head 13 dismantles the change work, and through setting up of holding ring 27 and bracing piece 28, cup joint the surface of first piston rod 5 before linking sleeve 12 installation through holding ring 27, then after linking sleeve 12 installation connection, make a set of holding ring 27 cup joint in linking sleeve 12's surface, the same applicable is used in linking sleeve 12's installation connection on second piston rod 6, then through holding ring 27 cup joint, the spacing rotation of accessible control bolt 29, then play spacing promotion's effect to stopping piece 30, through setting up of spacing clamp 3 and joint groove 15, relative spacing clamp 3, can dock in joint groove 15 on spacing pipe 1, and through setting up of stationary blade 31 and linking bolt 32, connect fixedly between the spacing clamp 3 that is connected, thereby add its steady use on spacing pipe 1, the effect that accessible buffer tube 16 on spacing clamp 3, buffer rod 17 and buffer spring 19 are used, thereby add the resilience of buffer rod 17 on buffer tube 16, the spacing grip 18 that is used to spacing in succession.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. The utility model provides a controllable magnetorheological suspensions attenuator of hierarchical regulation, includes spacing pipe (1), first filler pipe (2) and spacing clamp (3), its characterized in that: the top of the limiting pipe (1) is provided with a first oil filling pipe (2), and the outer surface of the limiting pipe (1) is clamped with a limiting clamp (3);
the inside sliding connection of spacing pipe (1) has magnetic sleeve (4), first piston rod (5) are installed at magnetic sleeve (4) top, second piston rod (6) have been inserted to the bottom of magnetic sleeve (4), two sets of spacing springs (7) are installed to the interior roof of spacing pipe (1), the interior bottom wall of spacing pipe (1) is provided with linking spring (8), the interior bottom wall of magnetic sleeve (4) is provided with pressure accumulation sponge (9), the top of second piston rod (6) is provided with spacing piston (10), and spacing piston (10) sliding connection and the inner wall of magnetic sleeve (4), threaded rod (11) are all installed to the front end of first piston rod (5) and second piston rod (6), linking sleeve (12) have been cup jointed to the surface of threaded rod (11), installation head (13) are installed to the front end of linking sleeve (12), the surface thread through connection of linking sleeve (12) has fixing bolt (14), and the front end threaded connection of fixing bolt (14) is in the inside of (11);
the outer surface of the limiting tube (1) is provided with a plurality of clamping grooves (15), the inner wall of the limiting clamp (3) is clamped in the clamping grooves (15), the outer side of the limiting clamp (3) is provided with a buffer tube (16), the front end of the protecting buffer tube (16) is inserted with a buffer rod (17), the front end of the buffer rod (17) is provided with a limiting grip (18), the inner wall of the buffer tube (16) is provided with a buffer spring (19), and the front end of the buffer spring (19) is connected to the tail end of the buffer rod (17);
the bottom of the limiting pipe (1) is provided with a second oil injection pipe (20), the interiors of the first oil injection pipe (2) and the second oil injection pipe (20) are provided with storage bins (21), the interiors of the first oil injection pipe (2) and the second oil injection pipe (20) are provided with through hole sheets (22) which are embedded in the inner walls of the storage bins (21), the top of the first oil injection pipe (2) is provided with a first positioning pipe (23), the outer surface of a first piston rod (5) penetrates through the interiors of the first oil injection pipe (2) and the first positioning pipe (23), the bottom of the second oil injection pipe (20) is provided with a second positioning pipe (24), and the outer surface of a second piston rod (6) penetrates through the interiors of the second oil injection pipe (20) and the second positioning pipe (24);
the tail ends of the first positioning pipe (23) and the second positioning pipe (24) are provided with sealing rings (25), the outer surfaces of the sealing rings (25) are connected with the inner parts of the first oil injection pipe (2) and the second oil injection pipe (20) in a threaded mode, the sealing rings (25) are located at the top of the storage bin (21), and dust covers (26) are arranged on the inner walls of the first positioning pipe (23) and the second positioning pipe (24);
the outer surfaces of the connecting sleeve (12) and the first piston rod (5) are sleeved with positioning rings (27), supporting rods (28) are arranged between the two groups of positioning rings (27), control bolts (29) are connected to the outer surfaces of the positioning rings (27) in a threaded penetrating mode, and blocking sheets (30) are arranged at the front ends of the control bolts (29).
2. A controllable, step-wise modulated magnetorheological fluid damper in accordance with claim 1, wherein: the front end and the tail end of the limiting clamp (3) are both provided with fixing plates (31), the internal threads of the fixing plates (31) are connected with connecting bolts (32) in a penetrating mode, two groups of telescopic rod assemblies (33) are arranged on the outer side of the limiting clamp (3), and the front ends of the telescopic rod assemblies (33) are connected to the inner side of the limiting handle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502374.8A CN114810909B (en) | 2022-05-10 | 2022-05-10 | Magnetorheological fluid damper with controllable hierarchical adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502374.8A CN114810909B (en) | 2022-05-10 | 2022-05-10 | Magnetorheological fluid damper with controllable hierarchical adjustment function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114810909A CN114810909A (en) | 2022-07-29 |
| CN114810909B true CN114810909B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210502374.8A Active CN114810909B (en) | 2022-05-10 | 2022-05-10 | Magnetorheological fluid damper with controllable hierarchical adjustment function |
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| Country | Link |
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| CN (1) | CN114810909B (en) |
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|---|---|---|---|---|
| JP2007024293A (en) * | 2005-07-21 | 2007-02-01 | Ntn Corp | Hydraulic auto tensioner |
| CN102003491A (en) * | 2009-09-03 | 2011-04-06 | 重庆仪表材料研究所 | Electromagnetic double-cylinder magneto-rheological damper |
| CN104315071A (en) * | 2014-08-25 | 2015-01-28 | 合肥工业大学 | Novel intelligent shock absorber integrating multilayer magnetorheological elastomers with magnetorheological damper |
| CN108253075A (en) * | 2018-01-22 | 2018-07-06 | 东北大学 | A kind of MR damper with multiband vibration energy regeneration ability |
| CN108518445A (en) * | 2018-06-07 | 2018-09-11 | 济南远景精密制造科技有限公司 | A kind of electromagnetic vehicle shock absorber and the automobile of adjustable shock-absorbing damping |
| CN114838082A (en) * | 2022-05-23 | 2022-08-02 | 天津大学 | Multistage variable damping variable stiffness shock absorber based on magnetorheological material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404466B (en) * | 2018-10-30 | 2021-04-06 | 广州澳森液压元件有限公司 | Automobile shock absorber capable of generating power |
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2022
- 2022-05-10 CN CN202210502374.8A patent/CN114810909B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007024293A (en) * | 2005-07-21 | 2007-02-01 | Ntn Corp | Hydraulic auto tensioner |
| CN102003491A (en) * | 2009-09-03 | 2011-04-06 | 重庆仪表材料研究所 | Electromagnetic double-cylinder magneto-rheological damper |
| CN104315071A (en) * | 2014-08-25 | 2015-01-28 | 合肥工业大学 | Novel intelligent shock absorber integrating multilayer magnetorheological elastomers with magnetorheological damper |
| CN108253075A (en) * | 2018-01-22 | 2018-07-06 | 东北大学 | A kind of MR damper with multiband vibration energy regeneration ability |
| CN108518445A (en) * | 2018-06-07 | 2018-09-11 | 济南远景精密制造科技有限公司 | A kind of electromagnetic vehicle shock absorber and the automobile of adjustable shock-absorbing damping |
| CN114838082A (en) * | 2022-05-23 | 2022-08-02 | 天津大学 | Multistage variable damping variable stiffness shock absorber based on magnetorheological material |
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| Publication number | Publication date |
|---|---|
| CN114810909A (en) | 2022-07-29 |
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