CN113586647B - Energy-saving environment-friendly self-powered magneto-rheological damper - Google Patents
Energy-saving environment-friendly self-powered magneto-rheological damper Download PDFInfo
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- CN113586647B CN113586647B CN202110852346.4A CN202110852346A CN113586647B CN 113586647 B CN113586647 B CN 113586647B CN 202110852346 A CN202110852346 A CN 202110852346A CN 113586647 B CN113586647 B CN 113586647B
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- fixing
- shell
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- fixed
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- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009975 flexible effect Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000725 suspension Substances 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
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
- F16F9/537—Magnetorheological [MR] fluid dampers specially adapted valves therefor
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
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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 discloses an energy-saving environment-friendly self-powered magnetorheological damper, which comprises: the magnetorheological damper comprises a shell, a gland, a guide sleeve, a piston rod, a magnetorheological piston assembly and a bottom valve assembly, wherein the bottom valve assembly is installed at the tail end of the shell and comprises a fixing column and a fixing plate, the fixing column is of a cylindrical structure, one end of the fixing column close to the inside of the shell is provided with a fixing hole, a fixing cylinder is movably connected in the fixing hole, the side wall of the fixing cylinder inwards forms a groove, and a piezoelectric ceramic ring is installed in the groove. According to the invention, the bottom valve with the piezoelectric ceramic ring is used for replacing the traditional bottom valve, certain electric energy is generated by the piezoelectric ceramic ring in the movement process and is stored by the electric power storage mechanism, and the electric energy is provided for the shock absorber, so that the complexity of external power supply connection is reduced, meanwhile, the problems of wire penetration and too low service life of the wire when the external power supply is connected can be avoided, the later maintenance cost is reduced, the energy consumption is reduced, and the utilization rate of kinetic energy is improved.
Description
Technical Field
The invention relates to the technical field of magneto-rheological dampers, in particular to an energy-saving and environment-friendly self-powered magneto-rheological damper.
Background
The magneto-rheological damper responds to road conditions and driving environment in real time by utilizing electromagnetic reaction and based on input information from sensors for monitoring the motion of a vehicle body and wheels. The magnetorheological liquid is a magnetic soft particle suspension, and after the liquid is injected into an electromagnetic coil in a piston of the shock absorber, the magnetic field of the coil changes the rheological property (or generates fluid resistance), so that the damping force with quick response and strong controllability is generated under the conditions of no electromechanical control valve and simple mechanical device. The magneto-rheological shock absorber has the characteristics of high adjustable multiple of damping force, easiness in realizing real-time control of variable damping of a computer, compact structure, small external input energy and the like, and is increasingly paid high attention by the engineering industry.
At present, the existing electromagnetic rheological damper needs an external power supply, and after being connected by a wire, the phenomena of abrasion, strain and the like are easily caused in daily use, so that the problems of low service life and incapability of carrying out secondary use on kinetic energy are caused. For this reason, a new scheme needs to be designed to give improvements.
Disclosure of Invention
The invention aims to provide an energy-saving environment-friendly self-powered magneto-rheological damper, which solves the problems that the conventional magneto-rheological damper needs an external power supply, is easy to wear, strain and the like in daily use after being connected by a wire, has low service life and cannot perform secondary use on kinetic energy, and meets the actual use requirement.
In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving environment-friendly self-powered magnetorheological damper, comprising: the magnetorheological piston assembly is mounted at the tail end of the shell and comprises a fixing column and a fixing plate, the fixing column is of a cylindrical structure, a fixing hole is formed in one end, close to the interior of the shell, of the fixing column, a fixing barrel is movably connected in the fixing hole, a groove is formed in the side wall of the fixing barrel inwards, and a piezoelectric ceramic ring is mounted in the groove; the end part of the piston rod extends into the shell and is connected with the magnetorheological piston assembly, the magnetorheological piston assembly is connected with a lead, the tail end of the lead extends into the fixed plate, and the middle part of the surface of the piston rod is fixed with a cushion pad;
the guide sleeve is fixed at the inner front end of the shell, the gland is fixed at the front end of the shell by bolts and is arranged outside the guide sleeve, the gland and the guide sleeve are both sleeved outside the piston rod, and the other end of the piston rod penetrates through the guide sleeve and the gland and extends to the outer side of the shell.
As a preferred embodiment of the present invention, three separating rings are fixed in the groove of the fixing cylinder, the diameters of the three separating rings gradually decrease from outside to inside, an installation groove is formed between adjacent separating rings, the piezoelectric ceramic rings are respectively fixed in the installation groove, and a wire hole is formed on the surface of the installation groove located at the center of the fixing cylinder.
In a preferred embodiment of the present invention, the lead wire penetrates through the wire hole and extends into the fixing plate, the power storage mechanism is mounted in the fixing plate, the lead wire is connected to the power output end of the power storage mechanism, and the power input end of the power storage mechanism is connected to the piezoelectric ceramic ring by using a connecting wire.
In a preferred embodiment of the present invention, an end of the lead is inserted into an end of the piston rod, a sealing plug is disposed at a connection portion of the lead and the piston rod, and a middle section of the lead is formed into a spiral shape and forms a telescopic section.
As a preferred embodiment of the present invention, a limiting mechanism is disposed at an opening of the fixing hole, a plurality of springs are mounted on an inner wall of the fixing hole, one end of each spring is connected to a side wall of the fixing hole, and the other end of each spring is connected to a terminal of the fixing cylinder.
As a preferred embodiment of the present invention, a threaded structure is disposed on an outer wall of the fixing column, an installation hole is formed at an end portion of the housing, an internal thread is disposed on an inner wall of the installation hole and connected to the fixing column through the internal thread, a through hole is formed in a surface of the fixing plate, a screw hole corresponding to the through hole is formed at an end portion of the housing, a bolt is embedded in the through hole, and a terminal of the bolt is in threaded connection with the screw hole.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the bottom valve with the piezoelectric ceramic ring is used for replacing the traditional bottom valve, certain electric energy is generated by the piezoelectric ceramic ring in the movement process and is stored by the electric power storage mechanism, and the electric energy is provided for the shock absorber, so that the complexity of external power supply connection is reduced, the problems of wire insertion and too low service life of the wire during the external power supply connection can be avoided, the later maintenance cost is reduced, the energy consumption is reduced, and the utilization rate of kinetic energy is improved.
Drawings
FIG. 1 is a structural diagram of an energy-saving environment-friendly self-powered magnetorheological damper according to the invention;
FIG. 2 is a side view of the fixed barrel of the present invention;
FIG. 3 is a block diagram of the base valve assembly of the present invention.
In the figure, 1, a gland; 2. a guide sleeve; 3. a housing; 4. a piston rod; 5. a magnetorheological piston assembly; 6. A wire; 7. fixing a column; 8. a bolt; 9. a fixing plate; 10. a fixed cylinder; 11. a spring; 12. a fixing hole; 13. a screw hole; 14. mounting holes; 15. a telescopic section; 16. a sealing plug; 17. a cushion pad; 18. Mounting grooves; 19. a spacer ring; 20. a through hole; 21. an electricity storage mechanism.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an energy-saving environment-friendly self-powered magnetorheological damper, comprising: the magnetorheological damper comprises a shell 3, a gland 1, a guide sleeve 2, a piston rod 4, a magnetorheological piston assembly 5 and a bottom valve assembly, wherein the bottom valve assembly is installed at the tail end of the shell 3 and comprises a fixed column 7 and a fixed plate 9, the fixed column 7 is of a cylindrical structure, one end of the fixed column 7, which is close to the inside of the shell 3, is provided with a fixed hole 12, a fixed cylinder 10 is movably connected in the fixed hole 12, a groove is formed inwards on the side wall of the fixed cylinder 10, and a piezoelectric ceramic ring is installed in the groove; the end part of the piston rod 4 extends into the shell 3 and is connected with the magnetorheological piston assembly 5, the magnetorheological piston assembly 5 is connected with a lead 6, the tail end of the lead 6 extends into the fixed plate 9, and the middle part of the surface of the piston rod 4 is fixed with a cushion pad 17; the inside front end at shell 3 is fixed to uide bushing 2, and gland 1 adopts bolt 8 to fix at the front end of shell 3 and arranges the uide bushing 2 outside in, and gland 1 all cup joints outside piston rod 4 with uide bushing 2, and the other end of piston rod 4 passes uide bushing 2 and gland and extends to the shell 3 outside, and uide bushing 2 is used for leading and spacing piston rod 4.
In a further improvement, three separating rings 19 are fixed in a groove of the fixing cylinder 10, the diameters of the three separating rings 19 gradually decrease from outside to inside, a mounting groove 18 is formed between adjacent separating rings 19, the piezoelectric ceramic rings are respectively fixed in the mounting grooves 18, a wire hole is formed in the surface of the mounting groove 18 located at the center of the fixing cylinder 10, the piezoelectric ceramic rings penetrate through the wire hole and are connected with the electricity storage mechanism, and a sealing plug 16 is arranged inside the wire hole to prevent liquid from flowing in.
In a further improvement, the lead 6 penetrates through the wire hole and extends into the fixing plate 9, the power storage mechanism is installed inside the fixing plate 9, the lead 6 is connected with the power output end of the power storage mechanism, the power input end of the power storage mechanism is connected with the piezoelectric ceramic ring through a connecting wire, and the power storage mechanism comprises a converter, a voltage stabilizer storage battery and a control board and is used for converting, storing and controlling electric energy.
Further improved ground, the tip of wire 6 is penetrated by the tip of piston rod 4, and the junction of wire 6 and piston rod 4 is provided with sealing plug 16, and the middle section of wire 6 is the heliciform and forms flexible section 15, can play certain flexible effect through flexible section 15 at the in-process that piston rod 4 removed, reduces the drawing to wire 6, improves wire 6 life.
Further improve ground, the opening part of fixed orifices 12 is provided with stop gear, installs a plurality of spring 11 on the inner wall of fixed orifices 12, and spring 11's one end and the 12 lateral walls of fixed orifices are connected, the other end and the end-to-end connection of solid fixed cylinder 10, and spring 11 plays the cushioning effect to solid fixed cylinder 10, avoids in the twinkling of an eye kinetic energy too big to solid fixed cylinder 10 and inside ceramic ring cause the damage.
Specifically, be provided with helicitic texture on the outer wall of fixed column 7, the tip of shell 3 has been seted up and is provided with the internal thread and be connected with fixed column 7 through the internal thread on 14 and the 14 inner walls of mounting hole, through-hole 20 has been seted up on the surface of fixed plate 9, screw 13 corresponding with through-hole 20 is seted up to the tip of shell 3, terminal and the screw 13 threaded connection that has bolt 8 and bolt 8 to inlay in the through-hole 20, the convenience is installed and is dismantled the bottom valve, reduce the later maintenance cost.
When the magnetorheological damper is used, when the magnetorheological piston assembly 5 moves to the right, namely the damper is in a compression stroke, the flow valve plate in the magnetorheological piston assembly 5 acts; the magnetorheological damping fluid flows from the right side to the left side, the piezoelectric ceramic ring generates electric energy under the action of hydraulic pressure, the electric energy is led into the power storage mechanism through the connecting wire, the power is supplied to the magnetorheological piston assembly 5 after the power is stored by the power storage mechanism, after the piezoelectric ceramic ring is damaged, the bolt 8 is firstly disassembled, and then the bottom valve is rotated to disassemble and replace, so that the operation is simple.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An energy-saving environment-friendly self-powered magnetorheological damper, comprising: shell (3), gland (1), uide bushing (2), piston rod (4), magnetic current becomes piston assembly (5) and bottom valve assembly, its characterized in that: the bottom valve assembly is installed at the tail end of the shell (3) and comprises a fixing column (7) and a fixing plate (9), the fixing column (7) is of a cylindrical structure, a fixing hole (12) is formed in one end, close to the interior of the shell (3), of the fixing column (7), a fixing cylinder (10) is movably connected into the fixing hole (12), a groove is formed in the side wall of the fixing cylinder (10) inwards, and a piezoelectric ceramic ring is installed in the groove; the end part of the piston rod (4) extends to the inside of the shell (3) and is connected with the magnetorheological piston assembly (5), a lead (6) is connected to the magnetorheological piston assembly (5), the tail end of the lead (6) extends to the inside of the fixed plate (9), and a buffer pad (17) is fixed in the middle of the surface of the piston rod (4);
the guide sleeve (2) is fixed at the front end of the inner part of the shell (3), the gland (1) is fixed at the front end of the shell (3) by bolts (8) and is arranged on the outer side of the guide sleeve (2), the gland (1) and the guide sleeve (2) are both sleeved outside the piston rod (4), and the other end of the piston rod (4) penetrates through the guide sleeve (2) and the gland (1) and extends to the outer side of the shell (3);
the lead (6) penetrates through the wire hole and extends into the fixing plate (9), the power storage mechanism (21) is installed inside the fixing plate (9), the lead (6) is connected with the power output end of the power storage mechanism (21), and the power input end of the power storage mechanism (21) is connected with the piezoelectric ceramic ring through a connecting wire.
2. The energy-saving environment-friendly self-powered magnetorheological damper according to claim 1, wherein: the piezoelectric ceramic fixing device is characterized in that three separating rings (19) are fixed in a groove of the fixing cylinder (10), the diameters of the three separating rings (19) gradually decrease from outside to inside, a mounting groove (18) is formed between every two adjacent separating rings (19), the piezoelectric ceramic rings are fixed in the mounting groove (18), and a wire hole is formed in the surface of the mounting groove (18) located in the center of the fixing cylinder (10).
3. The energy-saving environment-friendly self-powered magnetorheological damper as recited in claim 1, wherein: the tip of wire (6) is penetrated by the tip of piston rod (4), and the junction of wire (6) and piston rod (4) is provided with sealing plug (16), the middle section of wire (6) is the heliciform and forms flexible section (15).
4. The energy-saving environment-friendly self-powered magnetorheological damper as recited in claim 1, wherein: the opening part of fixed orifices (12) is provided with stop gear, installs a plurality of spring (11) on the inner wall of fixed orifices (12), the end-to-end connection of the one end and fixed orifices (12) lateral wall of spring (11), the other end and fixed section of thick bamboo (10).
5. The energy-saving environment-friendly self-powered magnetorheological damper as recited in claim 1, wherein: the fixing device is characterized in that a threaded structure is arranged on the outer wall of the fixing column (7), a mounting hole (14) is formed in the end portion of the shell (3), an internal thread is formed in the inner wall of the mounting hole (14) and connected with the fixing column (7) through the internal thread, a through hole (20) is formed in the surface of the fixing plate (9), a screw hole (13) corresponding to the through hole (20) is formed in the end portion of the shell (3), and a bolt (8) is embedded in the through hole (20) and the tail end of the bolt (8) is in threaded connection with the screw hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852346.4A CN113586647B (en) | 2021-07-27 | 2021-07-27 | Energy-saving environment-friendly self-powered magneto-rheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852346.4A CN113586647B (en) | 2021-07-27 | 2021-07-27 | Energy-saving environment-friendly self-powered magneto-rheological damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113586647A CN113586647A (en) | 2021-11-02 |
| CN113586647B true CN113586647B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110852346.4A Expired - Fee Related CN113586647B (en) | 2021-07-27 | 2021-07-27 | Energy-saving environment-friendly self-powered magneto-rheological damper |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100802547B1 (en) * | 2006-09-11 | 2008-02-13 | 한국기계연구원 | Hybrid mount |
| CN101334081B (en) * | 2007-06-29 | 2012-06-06 | 联想(北京)有限公司 | Semi- initiative vibration isolation buffering device |
| CN101550982B (en) * | 2009-04-30 | 2011-01-05 | 重庆大学 | A self-supplied magnetic current damper |
| CN102278410B (en) * | 2011-06-03 | 2013-02-27 | 嘉兴学院 | Magneto-rheological vibration damper without externally-connected power supply |
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Granted publication date: 20220708 |