CN102678802B - Dual-ejector-rod magnetorheological elastomer rectangular shock absorber - Google Patents
Dual-ejector-rod magnetorheological elastomer rectangular shock absorber Download PDFInfo
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- CN102678802B CN102678802B CN201210193383XA CN201210193383A CN102678802B CN 102678802 B CN102678802 B CN 102678802B CN 201210193383X A CN201210193383X A CN 201210193383XA CN 201210193383 A CN201210193383 A CN 201210193383A CN 102678802 B CN102678802 B CN 102678802B
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Abstract
The invention discloses a dual-ejector-rod magnetorheological elastomer rectangular shock absorber, which comprises a working cylinder, a piston and a piston rod, wherein the working cylinder consists of two identical single-sided rectangular electromagnets, N identical double-sided rectangular electromagnets and a rectangular outer tube; the two identical single-sided rectangular electromagnets are respectively fixed on two ends of the rectangular outer tube, and the N double-sided rectangular electromagnets are equally spaced to be fixed in parallel inside an inner cavity of the rectangular outer tube between the two identical single-sided rectangular electromagnets; the piston consists of double-sided rectangular iron plates with the quantity of N+1, and a layer of magnetorheological elastomer with identical thickness is respectively adhered onto two rectangular planes of each double-sided rectangular iron plate; and the piston is installed inside the working cylinder, so that the N double-sided rectangular iron plates on the piston are respectively arranged inside a clearance between every two adjacent rectangular electromagnets inside the working cylinder, and two ends of the piston rod stretches out of the working cylinder respectively through sliding bearings which are respectively arranged on the single-sided rectangular electromagnets on two ends of the working cylinder.
Description
Technical field
The invention belongs to a kind of vibration damper, be specifically related to a kind of pair of rod magnetorheological elastomer rectangle vibration damper.
Background technique
MR damper is a kind of intelligent vibration damper, when this class damper adopts magnetic flow liquid to be resisting medium, mainly be applicable to less and the vibration damping occasion that Oscillation Amplitude is larger of ocsillator strenght, as: application number: 200410079249.2 " a kind of magnetorheological suspensions damping device for automobile suspension system ", the damper that is resisting medium because of this class employing magnetic flow liquid is difficult to be applicable to the large less vibration damping occasion (as: vibration damping of jumbo) of Oscillation Amplitude of ocsillator strenght, and a kind of pair of rod magnetorheological elastomer rectangle vibration damper of the present invention is use magnetic rheology elastic body as resisting medium and adopt rectangle plane and multi-layer structure, therefore, a kind of pair of rod magnetorheological elastomer rectangle vibration damper of the present invention can be adjusted its bearing capacity by adjusting its rectangular area and the number of plies.
Summary of the invention
Be difficult to be applicable in order to overcome existing magnetic rheological liquid damper that ocsillator strenght is large and the less vibration damping occasion of amplitude the present invention proposes a kind of pair of rod magnetorheological elastomer rectangle vibration damper.
technological scheme of the present invention is as follows: a kind of pair of rod magnetorheological elastomer rectangle vibration damper, it comprises clutch release slave cylinder, piston and piston rod, and wherein: clutch release slave cylinder is to consist of two identical two-sided rectangle electromagnet and rectangle outer tubes of identical single face rectangle electromagnet, N piece, on two cornerwise intersection points of single face rectangle electromagnet, mesopore is arranged, sliding bearing is installed in mesopore, two blocks of single face rectangle electromagnet are separately fixed at the two ends of rectangle outer tube, the two-sided rectangle electromagnet of N piece by identical spaced and parallel be fixed on the inner chamber of two rectangle outer tubes between single face rectangle electromagnet, piston consists of the two-sided rectangle iron plate of N+1 piece, the all bonding magnetic rheology elastic body of one deck same thickness on two rectangle planes of every two-sided rectangle iron plate, on two cornerwise intersection points of every two-sided rectangle iron plate, mesopore is arranged, an end of piston rod passes the mesopore of the two-sided rectangle iron plate of N piece and fixing with it, piston is arranged in clutch release slave cylinder, the two-sided rectangle iron plate of N piece on piston is placed in clutch release slave cylinder in the gap between each rectangle electromagnet, and make on the rectangle plane of each rectangle electromagnet in clutch release slave cylinder and piston the magnetic rheology elastic body on each two-sided rectangle iron plate bonding, stretch out in clutch release slave cylinder by the sliding bearing on the single face rectangle electromagnet of clutch release slave cylinder two ends respectively at the two ends of piston rod, gap in clutch release slave cylinder between each rectangle electromagnet equals the thickness of two-sided rectangle iron plate on piston and the magnetic rheology elastic body thickness sum on two rectangular surfaces, the iron core of two-sided rectangle electromagnet is certain thickness rectangular block, respectively be evenly equipped with at least 4 pairs of magnetic poles on two of rectangular block parallel rectangle planes, be wound with field coil on each magnetic pole, and the diameter of two-sided rectangle electromagnet mesopore is greater than the diameter of piston rod and leave free gap, the iron core of single face rectangle electromagnet is certain thickness rectangular block, be evenly equipped with at least 4 pairs of magnetic poles on a rectangle plane of rectangular block, be wound with field coil on each magnetic pole, the length of two-sided rectangle iron plate and width are less than length and the width of clutch release slave cylinder rectangle outer tube bore longitudinal plane and leave free gap.
function of the present invention is achieved in that all bonding magnetic rheology elastic body of one deck same thickness on surface due to each the two-sided rectangle iron plate on piston, therefore, after in piston is arranged on clutch release slave cylinder, after the two-sided rectangle iron plate of each on piston is placed in clutch release slave cylinder in the gap between each rectangle electromagnet, make the rectangle plane (that is: magnetic pole strength) of each rectangle electromagnet in the magnetic rheology elastic body on two-sided rectangle iron plate and clutch release slave cylinder on piston bonding, therefore, when piston rod drive piston moves in clutch release slave cylinder, to make the magnetic rheology elastic body between each rectangle electromagnet in each two-sided rectangle iron plate on piston and clutch release slave cylinder occur to stretch or compression, when the field coil of each rectangle electromagnet in clutch release slave cylinder does not have electric current to pass through, each rectangle electromagnet does not generate an electromagnetic field, make the elasticity of the magnetic rheology elastic body between each rectangle electromagnet in each rectangle iron plate of being on piston and clutch release slave cylinder less, make piston rod drive the damping force that is subject to when piston moves in clutch release slave cylinder less, when the field coil of each rectangle electromagnet in clutch release slave cylinder has electric current to pass through, each rectangle electromagnet will generate an electromagnetic field, be evenly equipped with at least 4 pairs of magnetic poles on each rectangle plane due to each rectangle electromagnet, therefore, every pair of magnetic pole in clutch release slave cylinder on the rectangle plane of each rectangle electromagnet will by and piston on each rectangle iron plate between magnetic rheology elastic body form closed magnetic circuit, make the ferromagnetic particle in the magnetic rheology elastic body that is on closed magnetic circuit form chain or column aggregated structure and make its elasticity higher at magnetic direction, make piston rod drive the damping force that is subject to when piston moves in clutch release slave cylinder larger, therefore, enter the size of current in each rectangle electromagnet in clutch release slave cylinder by adjustment, it is the electromagnetic field intensity that each rectangle electromagnet of capable of regulating produces, each rectangle electromagnet of being in clutch release slave cylinder and the elasticity size of the magnetic rheology elastic body between each the two-sided rectangle iron plate on piston are adjusted, thereby the damping force of a kind of pair of rod magnetorheological elastomer rectangle vibration damper is adjusted.
A kind of pair of rod magnetorheological elastomer rectangle vibration damper of the present invention also can be adjusted its bearing capacity by adjusting its rectangular area size and the number of plies, compares a kind of pair of rod magnetorheological elastomer rectangle vibration damper of the present invention with magnetic rheological liquid damper and more can be applicable to ocsillator strenght greatly and the less vibration damping occasion of amplitude.
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 two-sided rectangle iron plate in the present invention.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is a kind of structural representation of two-sided rectangle electromagnet in the present invention.
Fig. 6 is the sectional view of Fig. 5.
Fig. 7 is a kind of structural representation of single face rectangle electromagnet in the present invention.
Fig. 8 is the sectional view of Fig. 7.
Fig. 9 is a kind of work schematic diagram of the present invention.
Figure 10 is a kind of application schematic diagram of the present invention.
Embodiment
Describe structure of the present invention in detail below in conjunction with accompanying drawing:
referring to Fig. 1 to Fig. 8, this is that (that is: the quantity of two-sided rectangle electromagnet is a kind of concrete structure of the present invention: the situation during N=1), a kind of pair of rod magnetorheological elastomer rectangle vibration damper, it comprises clutch release slave cylinder 1, piston 11 and piston rod 4, and wherein: clutch release slave cylinder 1 is to consist of two blocks of single face rectangle electromagnet 2, two-sided rectangle electromagnet 8 and rectangle outer tube 6, on two cornerwise intersection points of single face rectangle electromagnet 2, mesopore is arranged, sliding bearing 5(is installed in mesopore see for details: Fig. 7 and Fig. 8), two blocks of single face rectangle electromagnet 2 are separately fixed at the upper/lower terminal of rectangle outer tube 6, two-sided rectangle electromagnet 8 by identical spaced and parallel be fixed on the inner chamber of two rectangle outer tubes 6 between single face rectangle electromagnet 2, piston 11 consists of two two-sided rectangle iron plates 9, all bonding magnetic rheology elastic body 3 and the magnetic rheology elastic body 7 of one deck same thickness on two rectangle planes of every two-sided rectangle iron plate 9, have mesopore 13(to see for details on two cornerwise intersection points of every two-sided rectangle iron plate 9: Fig. 3 and Fig. 4), an end of piston rod 4 passes the mesopore 13 of two two-sided rectangle iron plates 9 and fixing with it, piston 11 is arranged in clutch release slave cylinder 1, make two two-sided rectangle iron plates 9 on piston 11 be placed in the interior rectangle electromagnet 2 of clutch release slave cylinder 1 and 8, in gap between 8 and 2, and make the interior rectangle electromagnet 2 of clutch release slave cylinder 1, magnetic rheology elastic body 3 and magnetic rheology elastic body 7 on 8 and 2 rectangle plane and piston 11 on two-sided rectangle iron plate 9 are bonding, stretch out in clutch release slave cylinder 1 by the sliding bearing 5 on the single face rectangle electromagnet 2 at clutch release slave cylinder 1 two ends respectively at the two ends of piston rod 4, the interior rectangle electromagnet 2 of clutch release slave cylinder 1 and 8, gap between 8 and 2 equals thickness and the magnetic rheology elastic body 3 on two rectangular surfaces and the magnetic rheology elastic body 7 thickness sums of two-sided rectangle iron plate 9 on piston 11, the iron core of two-sided rectangle electromagnet 8 is certain thickness rectangular block, respectively be evenly equipped with at least 4 to (8) magnetic pole 15 on two of rectangular block parallel rectangle planes, being wound with field coil 16(on each magnetic pole 15 sees for details: Fig. 5 and Fig. 6), and the diameter of the mesopore 14 of two-sided rectangle electromagnet 8 is greater than the diameter of piston rod 5 and leave free gap, the iron core of single face rectangle electromagnet 2 is certain thickness rectangular block, be evenly equipped with at least 4 to (8) magnetic pole on a rectangle plane of rectangular block, being wound with field coil 16(on each magnetic pole 15 sees for details: Fig. 7 and Fig. 8), the length of two-sided rectangle iron plate 9 and width are less than length and the width of clutch release slave cylinder 1 rectangle outer tube 6 inner chamber longitudinal planes and leave free gap and (see for details: Fig. 2).
in conjunction with Fig. 9, with Figure 10, a kind of pair of rod magnetorheological elastomer rectangle vibration damper of the present invention is further described now: rectangle electromagnet 2,8 is connected and (sees for details: Fig. 9) with control power supply 18 by lead-in wire with the field coil 16 of being connected, four jiaos of jumbo 20 bottoms by sending out on the blue piston rod 4 that is fixed to 4 two rod magnetorheological elastomer rectangle vibration dampers 19, and shell and the ground of two rod magnetorheological elastomer rectangle vibration dampers 19 are fixed and (seen for details: Figure 10), when controlling power supply 18 not to 1 each rectangle electromagnet 2 in clutch release slave cylinder, 8 and 2 field coil 16 output current, each rectangle electromagnet 2,8 and 2 does not generate an electromagnetic field, make the elasticity of magnetic rheology elastic body 3 between each rectangle electromagnet 2,8 and 2 in each rectangle iron plate 9 of being on piston 11 and clutch release slave cylinder 1 and magnetic rheology elastic body 7 less, make piston rod 4 drive pistons 11 are subject to when the interior motion of clutch release slave cylinder 1 damping force less, when controlling power supply 18 to 1 interior rectangle electromagnet 2 in clutch release slave cylinder, after 8 and 2 field coil 16 output currents, rectangle electromagnet 2, 8 and 2 will generate an electromagnetic field, due to rectangle electromagnet 2, be evenly equipped with at least 4 pairs of magnetic poles on each rectangle plane of 8 and 2, therefore, the interior rectangle electromagnet 2 of clutch release slave cylinder 1, every pair of magnetic pole on 8 and 2 rectangle plane will by and piston 11 on rectangle iron plate 9 between magnetic rheology elastic body 3 and magnetic rheology elastic body 7 form closed magnetic circuits, make the ferromagnetic particle in the magnetic rheology elastic body 3 that is on closed magnetic circuit and magnetic rheology elastic body 7 form chain or column aggregated structure and make that its elasticity is higher (to be seen for details: the dotted line frame in Fig. 9) at magnetic direction, piston rod 4 drive pistons 11 are subject to when the interior motion of clutch release slave cylinder 1 damping force is larger, therefore, control power supply 18 by adjustment and output to the size of current in each rectangle electromagnet 2,8 and 2 in clutch release slave cylinder 1, be each rectangle electromagnet 2 of capable of regulating, 8 and 2 electromagnetic field intensities that produce, make each rectangle electromagnet 2 of being in clutch release slave cylinder 1,8 and 2 and piston 11 on each two-sided rectangle iron plate 9 between magnetic rheology elastic body 3 and the elasticity size of magnetic rheology elastic body 7 be adjusted, thereby the damping force of a kind of pair of rod magnetorheological elastomer rectangle vibration damper is adjusted, and the vibration that jumbo 20 is produced is inhibited.
Claims (5)
1. two rod magnetorheological elastomer rectangle vibration damper, it comprises clutch release slave cylinder, piston and piston rod, it is characterized in that: described clutch release slave cylinder is to consist of two identical two-sided rectangle electromagnet and rectangle outer tubes of identical single face rectangle electromagnet, N piece; On two cornerwise intersection points of single face rectangle electromagnet, mesopore is arranged, sliding bearing is installed in mesopore, two blocks of single face rectangle electromagnet are separately fixed at the two ends of rectangle outer tube, the two-sided rectangle electromagnet of N piece by identical spaced and parallel be fixed on the inner chamber of two rectangle outer tubes between single face rectangle electromagnet; Described piston consists of the two-sided rectangle iron plate of N+1 piece, the all bonding magnetic rheology elastic body of one deck same thickness on two rectangle planes of every two-sided rectangle iron plate, on two cornerwise intersection points of every two-sided rectangle iron plate, mesopore is arranged, an end of piston rod passes the mesopore of the two-sided rectangle iron plate of N+1 piece and fixing with it; Described piston is arranged in clutch release slave cylinder, the two-sided rectangle iron plate of N+1 piece on piston is placed in clutch release slave cylinder in the gap between each rectangle electromagnet, and making on the rectangle plane of each rectangle electromagnet in clutch release slave cylinder and piston the magnetic rheology elastic body on each two-sided rectangle iron plate bonding, stretch out in clutch release slave cylinder by the sliding bearing on the single face rectangle electromagnet of clutch release slave cylinder two ends respectively at the two ends of piston rod.
2. a kind of pair of rod magnetorheological elastomer rectangle vibration damper as claimed in claim 1 is characterized in that: the gap in described clutch release slave cylinder between each rectangle electromagnet equals the thickness of two-sided rectangle iron plate on piston and the magnetic rheology elastic body thickness sum on two rectangular surfaces.
3. a kind of pair of rod magnetorheological elastomer rectangle vibration damper as claimed in claim 1, it is characterized in that: the iron core of described two-sided rectangle electromagnet is certain thickness rectangular block, respectively be evenly equipped with at least 4 pairs of magnetic poles on two of rectangular block parallel rectangle planes, be wound with field coil on each magnetic pole, and the diameter of two-sided rectangle electromagnet mesopore is greater than the diameter of piston rod and leave free gap.
4. a kind of pair of rod magnetorheological elastomer rectangle vibration damper as claimed in claim 1, it is characterized in that: the iron core of described single face rectangle electromagnet is certain thickness rectangular block, be evenly equipped with at least 4 pairs of magnetic poles on a rectangle plane of rectangular block, be wound with field coil on each magnetic pole.
5. a kind of pair of rod magnetorheological elastomer rectangle vibration damper as claimed in claim 1 is characterized in that: the length of described two-sided rectangle iron plate and width are less than length and the width of clutch release slave cylinder rectangle outer tube bore longitudinal plane and leave free gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193383XA CN102678802B (en) | 2012-06-13 | 2012-06-13 | Dual-ejector-rod magnetorheological elastomer rectangular shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193383XA CN102678802B (en) | 2012-06-13 | 2012-06-13 | Dual-ejector-rod magnetorheological elastomer rectangular shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102678802A CN102678802A (en) | 2012-09-19 |
| CN102678802B true CN102678802B (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210193383XA Expired - Fee Related CN102678802B (en) | 2012-06-13 | 2012-06-13 | Dual-ejector-rod magnetorheological elastomer rectangular shock absorber |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747412Y (en) * | 2004-11-16 | 2005-12-21 | 中国船舶重工集团公司第七○二研究所 | Active-passive vabrition damper |
| CN201902492U (en) * | 2010-12-21 | 2011-07-20 | 南车二七车辆有限公司 | Friction magnetorheological elastomer buffer |
| CN202203325U (en) * | 2011-08-25 | 2012-04-25 | 谭晓婧 | Internally-built rod-plate-type megneto-rheological damper |
| CN202628908U (en) * | 2012-06-13 | 2012-12-26 | 谢宁 | Double-outlet rod magneto-rheological elastomer rectangular damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005147161A (en) * | 2003-11-11 | 2005-06-09 | Bridgestone Corp | Laminated support |
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2012
- 2012-06-13 CN CN201210193383XA patent/CN102678802B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747412Y (en) * | 2004-11-16 | 2005-12-21 | 中国船舶重工集团公司第七○二研究所 | Active-passive vabrition damper |
| CN201902492U (en) * | 2010-12-21 | 2011-07-20 | 南车二七车辆有限公司 | Friction magnetorheological elastomer buffer |
| CN202203325U (en) * | 2011-08-25 | 2012-04-25 | 谭晓婧 | Internally-built rod-plate-type megneto-rheological damper |
| CN202628908U (en) * | 2012-06-13 | 2012-12-26 | 谢宁 | Double-outlet rod magneto-rheological elastomer rectangular damper |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-147161A 2005.06.09 |
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| CN102678802A (en) | 2012-09-19 |
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