CN102661346A - Double-discharging-rod magnetorheological elastic body plate type shock absorber - Google Patents
Double-discharging-rod magnetorheological elastic body plate type shock absorber Download PDFInfo
- Publication number
- CN102661346A CN102661346A CN2012101573641A CN201210157364A CN102661346A CN 102661346 A CN102661346 A CN 102661346A CN 2012101573641 A CN2012101573641 A CN 2012101573641A CN 201210157364 A CN201210157364 A CN 201210157364A CN 102661346 A CN102661346 A CN 102661346A
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- piston
- electromagnet
- slave cylinder
- clutch release
- iron plate
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- 239000006096 absorbing agent Substances 0.000 title abstract 2
- 230000035939 shock Effects 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052742 iron Inorganic materials 0.000 claims abstract description 38
- 230000005291 magnetic effect Effects 0.000 claims description 50
- 238000000518 rheometry Methods 0.000 claims description 22
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000000806 elastomer Substances 0.000 claims description 14
- 238000013016 damping Methods 0.000 description 12
- 230000005672 electromagnetic field Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a double-discharging-rod magnetorheological elastic body plate type shock absorber, which comprises a working cylinder, a piston and a piston rod, wherein the working cylinder consists of two same single-surface annular electromagnets, N same double-surface annular electromagnets and an outer pipe; the two single-surface annular electromagnets are respectively fixed at two ends of the outer pipe; the N double-surface annular electromagnets are parallelly fixed on an inner circumference of the outer pipe between the two single-surface annular electromagnets, and clearances among the annular electromagnets are equal; sliding bearings are arranged on the inner diameters of the two single-surface annular electromagnets; the piston consists of (N+1) annular iron plates; a layer of magnetorheological elastic body is adhered to each of two circular surfaces of each annular iron plate, and the thicknesses of the two magnetorheological elastic bodies are equal; the piston is arranged in the working cylinder; the (N+1) annular iron plates of the piston are arranged in the clearances among the annular electromagnets in the working cylinder; and the magnetorheological elastic bodies on the two circular surfaces of the annular iron plates on the piston are adhered to the circular surfaces of the annular electromagnets.
Description
Technical field
The invention belongs to a kind of vibration damper, be specifically related to a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer.
Background technique
MR damper is a kind of intelligent vibration damper; When this type damper adopts magnetic flow liquid to be resisting medium; Be applicable to mainly that ocsillator strenght is less and vibration damping occasion that Oscillation Amplitude is bigger; As: application number: 200410079249.2 " a kind of magnetorheological suspensions damping device for automobile suspension system "; Because of this type damper is difficult to be applicable to the big less vibration damping occasion (as: vibration damping of jumbo) of Oscillation Amplitude of ocsillator strenght; And the of the present invention pair of board-like vibration damper of outstretch pole magnetorheological elasticity be with magnetic rheology elastic body as resisting medium and adopt disk and multi-layer structure, therefore, of the present invention pair of outstretch pole magnetorheological elasticity subtracts the board-like device that shakes and can adjust its bearing capacity through adjusting its diameter and the number of plies.
Summary of the invention
Be difficult to be applicable to that in order to overcome existing magnetic rheological liquid damper ocsillator strenght is big and the less vibration damping occasion of amplitude the present invention proposes a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer.
Technological scheme of the present invention is following: a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer; It comprises clutch release slave cylinder, piston and piston rod; Wherein: clutch release slave cylinder is to be made up of two blocks of identical Single sided electromagnet, two-sided ring electromagnet and outer tube that the N piece is identical; And two blocks of Single sided electromagnet are separately fixed at the two ends of outer tube; The two-sided ring electromagnet of N piece is fixed on the inner circumference of two outer tubes between the Single sided electromagnet in parallel to each other, and the gap between each ring electromagnet is equated; Sliding bearing all is installed on the internal diameter of two blocks of Single sided electromagnet; Piston is made up of N+1 piece annular iron plate, and all bonding magnetic rheology elastic body of one deck same thickness on two toroidal surfaces of every annular iron plate, piston rod pass the mesopore of N+1 piece annular iron plate and fixing with it; Piston is installed in the clutch release slave cylinder; N+1 piece annular iron plate on the piston is placed in the gap between interior each ring electromagnet of clutch release slave cylinder; And making the toroidal surface of magnetic rheology elastic body and each ring electromagnet on two toroidal surfaces of annular iron plate on the piston bonding, stretch out from the two ends of clutch release slave cylinder respectively through the sliding bearing on the Single sided electromagnet internal diameter at clutch release slave cylinder two ends at the two ends of piston rod; Gap in the clutch release slave cylinder between each ring electromagnet equals magnetic rheology elastic body thickness sum on thickness and its two toroidal surfaces of annular iron plate on the piston; The Single sided electromagnet has only on the toroidal surface and is evenly equipped with at least 4 pairs of magnetic poles, on each magnetic pole, all is wound with field coil; All be evenly equipped with at least 4 pairs of magnetic poles on two toroidal surfaces of two-sided ring electromagnet, on each magnetic pole, all be wound with field coil; The internal diameter of two-sided ring electromagnet is greater than the diameter of piston rod and leave the free gap; The external diameter of annular iron plate is less than the internal diameter of clutch release slave cylinder urceolus and leave the free gap on the piston.
Function of the present invention is achieved in that because all bonding one deck magnetic rheology elastic body on two toroidal surfaces of each annular iron plate on the piston; And each annular iron plate places in the gap between interior each ring electromagnet of clutch release slave cylinder; The magnetic rheology elastic body on its two sides is bonding with the toroidal surface (that is: magnetic pole strength) of each ring electromagnet again; Therefore; When piston rod drove piston and in clutch release slave cylinder, moves, the magnetic rheology elastic body between each ring electromagnet took place to stretch or compress in each annular iron plate of being in piston and the clutch release slave cylinder with making; When the field coil of each ring electromagnet does not have electric current to pass through; Each ring electromagnet does not generate an electromagnetic field; Make the elasticity of the magnetic rheology elastic body between each ring electromagnet in each the annular iron plate that is in piston and the clutch release slave cylinder less, it is less to make piston rod drive the damping force that receives when piston moves in clutch release slave cylinder; When the field coil of each ring electromagnet has electric current to pass through; Each ring electromagnet will generate an electromagnetic field; Owing to be evenly equipped with at least 4 pairs of magnetic poles on the toroidal surface of ring electromagnet; Therefore; Every pair of magnetic pole on the ring electromagnet will form closed magnetic circuit through the magnetic rheology elastic body between the annular iron plate, makes the ferromagnetic particle in the magnetic rheology elastic body that is on the closed magnetic circuit form chain or column aggregated structure and make its elasticity higher at magnetic direction, and it is bigger to make piston rod drive the damping force that receives when piston moves in clutch release slave cylinder;
Therefore; Get into the size of current in each ring electromagnet through adjustment; Can adjust the electromagnetic field intensity that each ring electromagnet produces; Make the elasticity size of the magnetic rheology elastic body between each ring electromagnet in each the annular iron plate that is on the piston and the clutch release slave cylinder obtain adjustment, thereby make the damping force of two board-like vibration dampers of outstretch pole magnetorheological obtain adjustment.
The of the present invention pair of board-like vibration damper of outstretch pole magnetorheological also can be adjusted its bearing capacity through adjusting its diameter and the number of plies, compares the of the present invention pair of board-like vibration damper of outstretch pole magnetorheological elastomer with magnetic rheological liquid damper and more can be applicable to the big and less vibration damping occasion of amplitude of ocsillator strenght.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 be Fig. 1 at A to sectional view.
Fig. 3 is a kind of structural representation of Single sided electromagnet among the present invention.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is a kind of structural representation of two-sided ring electromagnet among the present invention.
Fig. 6 is the sectional view of Fig. 5.
Fig. 7 is a kind of structural representation of annular iron plate among the present invention.
Fig. 8 is the sectional view of Fig. 7.
Fig. 9 is a kind of work schematic representation of the present invention.
Figure 10 is a kind of application schematic representation of the present invention.
A kind of structural representation when Figure 11 is the quantity N=2 of two-sided ring electromagnet of the present invention.
Embodiment
Specify structure of the present invention below in conjunction with accompanying drawing:
Referring to Fig. 1 to Fig. 8; This is that (that is: the quantity of two-sided ring electromagnet is a kind of concrete structure of the present invention: the situation during N=1); A kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer; It comprises clutch release slave cylinder 20, piston 21 and piston rod 1; Wherein: clutch release slave cylinder 20 is to be made up of two blocks of identical Single sided electromagnet 3 and 15, two-sided ring electromagnets 9 and outer tube 6, and Single sided electromagnet 3 is fixed on the upper end of outer tube 6, and Single sided electromagnet 15 is fixed on the lower end of outer tube 6; A two-sided ring electromagnet 9 is fixed on the inner circumference of the outer tube 6 between two blocks of Single sided electromagnet 3 and 15 abreast, and the gap between ring electromagnet 3,9 and 15 is equated; Sliding bearing 2 and 16 all are installed on the internal diameter of Single sided electromagnet 3 and 15; Piston 21 is made up of 2 identical annular iron plates 5 and 12; On two toroidal surfaces of annular iron plate 5 all bonding the magnetic rheology elastic body 4 and 7 of one deck same thickness (seeing for details: Fig. 7 and Fig. 8); The all bonding magnetic rheology elastic body 11 and 13 of one deck same thickness on two toroidal surfaces of annular iron plate 12 (because of annular iron plate 12 identical with annular iron plate 5 structures; Accompanying drawing is omitted), piston rod 1 passes the mesopore of annular iron plate 5 and 12 and fixing with it; Piston 21 is installed in the clutch release slave cylinder 20; Annular iron plate 5 and 12 on the piston 21 is placed in the gap between the clutch release slave cylinder 20 interior ring electromagnets 3,9 and 15; And make the magnetic rheology elastic body 4,7,11 on the annular iron plate 5 and 12 toroidal surfaces on the piston 21 and 13 and the toroidal surface of ring electromagnet 3,9 and 15 bonding, stretch out from the two ends of clutch release slave cylinder 20 respectively through the Single sided electromagnet 3 at clutch release slave cylinder 20 two ends and the sliding bearing 2 and 16 on 15 internal diameters at the two ends of piston rod 1; Gap in the clutch release slave cylinder 20 between the ring electromagnets 3,9 and 15 equals magnetic rheology elastic body 4 and 7 (or 11 and 13) thickness sum on thickness and its two toroidal surfaces of annular iron plate 5 (or 12) on the piston 21; Single sided electromagnet 15 has only and is evenly equipped with 4 on the toroidal surface to (8) magnetic pole (seeing for details: Fig. 3 and Fig. 4) 14; On each magnetic pole, all be wound with field coil 8; Single sided electromagnet 3 has only and is evenly equipped with 4 on the toroidal surface to (8) magnetic pole 22; On each magnetic pole, all be wound with field coil 8 (because of Single sided electromagnet 3 is identical with the structure of Single sided electromagnet 15, accompanying drawing is from about); All be evenly equipped with at least 4 on two toroidal surfaces of two-sided ring electromagnet 9 to (8) magnetic pole 17 and 10, on each magnetic pole 17 and 10, all be wound with field coil 8 (seeing for details: Fig. 5 and Fig. 6); The internal diameter of two-sided ring electromagnet 9 is greater than the diameter of piston rod 1 and leave the free gap; Annular iron plate 5 and 12 external diameter are less than the internal diameter of clutch release slave cylinder 20 urceolus 6 and leave the free gap on the piston 21.
Combine now Fig. 9 to come the of the present invention pair of board-like vibration damper of outstretch pole magnetorheological elastomer further described with Figure 10: ring electromagnet 3,9 and 15 field coil are through going between and controlling power supply 18 and be connected and (see for details: Fig. 9); Four jiaos of jumbo 19 bottoms through sending out on the blue piston rod 1 that is fixed to 4 two board-like vibration dampers of outstretch pole magnetorheological elastomer, and the shell of the board-like vibration damper of two outstretch pole magnetorheological elastomers and ground are fixed and (seen for details: Figure 10).When control power supply 18 during not to the field coil output current of ring electromagnet 3,9 and 15; Ring electromagnet 3,9 and 15 does not generate an electromagnetic field; Make the annular iron plate 5 that is in piston 21 and 12 and clutch release slave cylinder 20 in magnetic rheology elastic body 4,7,11 and 13 elasticity between the ring electromagnets 3,9 and 15 less, damping force suffered when making piston rod 1 drive piston 21 in clutch release slave cylinder 20, to move is less; When controlling power supply 18 behind the field coil output current of ring electromagnet 3,9 and 15; Ring electromagnet 3,9 and 15 will generate an electromagnetic field; Owing to be evenly equipped with 4 pairs of magnetic poles on the toroidal surface of ring electromagnet 3,9 and 15; Therefore; The every pair of magnetic pole will through ring electromagnet 3,9 and 15 with annular iron plate 5 and 12 between magnetic rheology elastic body 4,7,11 and 13 form closed magnetic circuits, make the ferromagnetic particle in the magnetic rheology elastic body 4,7,11 and 13 that is on the closed magnetic circuit form chain or column aggregated structure and make its elasticity higher at magnetic direction, the damping force that receives when piston rod 1 drive piston 21 is moved in clutch release slave cylinder 20 is bigger; Therefore; Output to the size of current in the field coil of ring electromagnet 3,9 and 15 through adjustment control power supply 18; Can adjust the electromagnetic field intensity that ring electromagnet 3,9 and 15 is produced; Make the annular iron plate 5 that is in piston 21 and 12 and the worker 1 elasticity size of doing the magnetic rheology elastic body 4,7,11 between the ring electromagnets 3,9 and 15 in the cylinder 20 and 13 obtain adjustment, thereby make the damping force of two board-like vibration dampers of outstretch pole magnetorheological obtain adjustment, the vibration that jumbo 19 is produced is inhibited.
Claims (5)
1. two board-like vibration damper of outstretch pole magnetorheological elastomer; It comprises clutch release slave cylinder, piston and piston rod; It is characterized in that: said clutch release slave cylinder is to be made up of two blocks of identical Single sided electromagnet, two-sided ring electromagnet and outer tube that the N piece is identical; And two blocks of Single sided electromagnet are separately fixed at the two ends of outer tube, and the two-sided ring electromagnet of N piece is fixed on the inner circumference of two outer tubes between the Single sided electromagnet in parallel to each other, and the gap between each ring electromagnet is equated; Sliding bearing all is installed on the internal diameter of said two blocks of Single sided electromagnet; Said piston is made up of N+1 piece annular iron plate, and all bonding magnetic rheology elastic body of one deck same thickness on two toroidal surfaces of every annular iron plate, piston rod pass the mesopore of N+1 piece annular iron plate and fixing with it; Said piston is installed in the clutch release slave cylinder; N+1 piece annular iron plate on the piston is placed in the gap between interior each ring electromagnet of clutch release slave cylinder; And making the toroidal surface of magnetic rheology elastic body and each ring electromagnet on two toroidal surfaces of annular iron plate on the piston bonding, stretch out from the two ends of clutch release slave cylinder respectively through the sliding bearing on the Single sided electromagnet internal diameter at clutch release slave cylinder two ends at the two ends of piston rod.
2. a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer as claimed in claim 1 is characterized in that: the gap in the said clutch release slave cylinder between each ring electromagnet equals magnetic rheology elastic body thickness sum on thickness and its two toroidal surfaces of annular iron plate on the piston.
3. a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer as claimed in claim 1 is characterized in that: said Single sided electromagnet has only on the toroidal surface and is evenly equipped with at least 4 pairs of magnetic poles, on each magnetic pole, all is wound with field coil.
4. a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer as claimed in claim 1 is characterized in that: all be evenly equipped with at least 4 pairs of magnetic poles on two toroidal surfaces of said two-sided ring electromagnet, on each magnetic pole, all be wound with field coil.
5. a kind of pair of board-like vibration damper of outstretch pole magnetorheological elastomer as claimed in claim 1 is characterized in that: the internal diameter of said two-sided ring electromagnet is greater than the diameter of piston rod and leave the free gap; The external diameter of annular iron plate is less than the internal diameter of clutch release slave cylinder urceolus and leave the free gap on the said piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210157364.1A CN102661346B (en) | 2012-05-21 | 2012-05-21 | Double-discharging-rod magnetorheological elastic body plate type shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210157364.1A CN102661346B (en) | 2012-05-21 | 2012-05-21 | Double-discharging-rod magnetorheological elastic body plate type shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102661346A true CN102661346A (en) | 2012-09-12 |
| CN102661346B CN102661346B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210157364.1A Active CN102661346B (en) | 2012-05-21 | 2012-05-21 | Double-discharging-rod magnetorheological elastic body plate type shock absorber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388644A (en) * | 2013-08-07 | 2013-11-13 | 谭苹 | Double-extending-rod magneto-rheological elastomer annular membrane damper |
| CN103671687A (en) * | 2013-12-20 | 2014-03-26 | 谭苹 | Magneto-rheological elastomer double-annular-membrane damper |
| CN109295854A (en) * | 2018-11-22 | 2019-02-01 | 华东交通大学 | A kind of suspension cable vibration insulating system |
| CN113530341A (en) * | 2021-06-25 | 2021-10-22 | 三峡大学 | Vortex-induced vibration suppression device and method for steel pipe component of power transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779618A (en) * | 1971-02-26 | 1973-12-18 | Comitato Naz Per I Engergia Nu | Self-centering magnetic suspension |
| US7401834B2 (en) * | 2005-07-13 | 2008-07-22 | Gm Global Technology Operations, Inc. | Child seat anchor assembly and methods of use |
| JP2008202744A (en) * | 2007-02-22 | 2008-09-04 | Kayaba Ind Co Ltd | Rotary damper |
| CN102042361A (en) * | 2010-12-15 | 2011-05-04 | 谭晓婧 | Rocking type magnetorheological damper |
| CN102297230A (en) * | 2011-08-19 | 2011-12-28 | 谢宁 | Double-outstretch pole plate magneto-rheological damper |
| CN202628904U (en) * | 2012-05-21 | 2012-12-26 | 谭晓婧 | Double-outlet rod magnetorheological elastomer plate type damper |
-
2012
- 2012-05-21 CN CN201210157364.1A patent/CN102661346B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779618A (en) * | 1971-02-26 | 1973-12-18 | Comitato Naz Per I Engergia Nu | Self-centering magnetic suspension |
| US7401834B2 (en) * | 2005-07-13 | 2008-07-22 | Gm Global Technology Operations, Inc. | Child seat anchor assembly and methods of use |
| JP2008202744A (en) * | 2007-02-22 | 2008-09-04 | Kayaba Ind Co Ltd | Rotary damper |
| CN102042361A (en) * | 2010-12-15 | 2011-05-04 | 谭晓婧 | Rocking type magnetorheological damper |
| CN102297230A (en) * | 2011-08-19 | 2011-12-28 | 谢宁 | Double-outstretch pole plate magneto-rheological damper |
| CN202628904U (en) * | 2012-05-21 | 2012-12-26 | 谭晓婧 | Double-outlet rod magnetorheological elastomer plate type damper |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388644A (en) * | 2013-08-07 | 2013-11-13 | 谭苹 | Double-extending-rod magneto-rheological elastomer annular membrane damper |
| CN103671687A (en) * | 2013-12-20 | 2014-03-26 | 谭苹 | Magneto-rheological elastomer double-annular-membrane damper |
| CN109295854A (en) * | 2018-11-22 | 2019-02-01 | 华东交通大学 | A kind of suspension cable vibration insulating system |
| CN113530341A (en) * | 2021-06-25 | 2021-10-22 | 三峡大学 | Vortex-induced vibration suppression device and method for steel pipe component of power transmission line |
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| Publication number | Publication date |
|---|---|
| CN102661346B (en) | 2014-07-09 |
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Address after: 542899 No. 25 Jianshe Middle Road, the Guangxi Zhuang Autonomous Region, Hezhou Patentee after: Tan Xiaojing Address before: 400084 Dadukou District of Chongqing New Village No. 8 of No. 76 Patentee before: Tan Xiaojing |
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Inventor after: Zhao Min Inventor before: Tan Heping Inventor before: Xie Ning Inventor before: Liu Qiang Inventor before: Tan Xiaojing |
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Effective date of registration: 20171218 Address after: No. 2650, Chaoyang District construction street, Changchun, Jilin Province Patentee after: Zhao Min Address before: 542899 No. 25 Jianshe Middle Road, the Guangxi Zhuang Autonomous Region, Hezhou Patentee before: Tan Xiaojing |
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Effective date of registration: 20181108 Address after: 215228 No. 1188 west two ring road, Shengze Town, Wujiang District, Suzhou, Jiangsu. Patentee after: Suzhou Shengze science and Technology Pioneer Park Development Co., Ltd. Address before: 130000 Chaoyang District construction street, Changchun, Jilin 2650 Patentee before: Zhao Min |