CN102562897A - Double-outlet rod magnet rheologic elastic body damper - Google Patents
Double-outlet rod magnet rheologic elastic body damper Download PDFInfo
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- CN102562897A CN102562897A CN2012100337497A CN201210033749A CN102562897A CN 102562897 A CN102562897 A CN 102562897A CN 2012100337497 A CN2012100337497 A CN 2012100337497A CN 201210033749 A CN201210033749 A CN 201210033749A CN 102562897 A CN102562897 A CN 102562897A
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- damping
- slave cylinder
- clutch release
- release slave
- damping block
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Abstract
The invention discloses a double-outlet rod magnet rheologic elastic body damper, which comprises two damping rods, a damping block, two damping rollers and a working cylinder, wherein the cross section of an inner cavity of a working cylinder is rectangular; baffles are fixed at both the two ends of the working cylinder; a hole is formed in the middle of each baffle; sliding bearings are fixed in the holes; a layer of magnet rheologic elastic body is fixed on the surface of each of two short sides in the working cylinder; the section of the damping block is I-shaped; a magnet exciting coil is wound in the middle of the damping block; a semi-circular groove is arranged in each middle of the two ends of the damping block; central axles of the grooves are perpendicular to central axes of the damping rods; diameters of the grooves are greater than diameters of the damping rollers; the damping rollers are arranged in the semi-circular grooves at the both ends of the damping block; one end of each two damping rods is fixed at the two ends of the damping block, respectively; and the other end of each two damping rods stretches out from inner side of the working cylinder through the sliding bearings on the baffles at the both ends of the working cylinder, respectively.
Description
Technical field
The invention belongs to a kind of damper, be specifically related to a kind of pair of outstretch pole magnetorheological elastomer damper.
Background technique
Existing pair of outstretch pole magnetorheological damper mainly adopts the structure of clutch release slave cylinder, piston and piston rod; In clutch release slave cylinder, also be full of simultaneously magnetic flow liquid; This type MR damper is to drive the to-and-fro motion of piston in clutch release slave cylinder through piston rod to produce damping force, and the magnetic flow liquid in clutch release slave cylinder is taken out of outside the clutch release slave cylinder with piston rod, normally between clutch release slave cylinder and piston rod, adopts seal arrangement to solve the motive sealing problem of piston rod; Because magnetic flow liquid is the amalgam that contains the attritive powder of multiple composition at mineral oil; Therefore, it is carried out very difficulty of motive sealing, in case the leakage of magnetic flow liquid takes place; Light then make the decreased performance of MR damper; Heavy then make MR damper total failure, therefore, the motive sealing problem of piston rod has become industry and has improved the MR damper major obstacle in working life.
Summary of the invention
In the deficiency aspect the piston rod motive sealing, the present invention proposes brand-new MR damper, that is: a kind of pair of outstretch pole magnetorheological elastomer damper to existing MR damper.
Technological scheme of the present invention is following:
A kind of pair of outstretch pole magnetorheological elastomer damper, it comprises: two damper rods, damping block, two damping rollers, clutch release slave cylinder; The cross section of clutch release slave cylinder inner chamber is a rectangular, all is fixed with plate washer at the two ends of clutch release slave cylinder, and the middle part of plate washer is porose, and internal fixation has sliding bearing in the hole, and one deck magnetic rheology elastic body has all been fixed on the surface of two minor faces in clutch release slave cylinder; The cross section of damping block is I-shaped, is wound with field coil at the middle part of damping block, at the middle part at damping block two ends a semicircular groove is arranged respectively, and the shaft axis of groove is vertical with the shaft axis of damper rod, and the diameter of groove is greater than the diameter of damping roller; The damping roller is installed in the semi-circular recesses at damping block two ends; One end of two damper rods is separately fixed at the two ends of damping block, and the other end of two damper rods stretches out in clutch release slave cylinder through the sliding bearing on the plate washer of clutch release slave cylinder two ends respectively; The width at damping block two ends is less than the spacing of magnetic rheology elastic body on two minor faces in the clutch release slave cylinder; Width between the damping block two ends damping roller is greater than spacing between the magnetic rheology elastic body on two minor faces in the clutch release slave cylinder; Width between the damping block two ends damping roller is less than the spacing between two minor faces in the clutch release slave cylinder, and clutch release slave cylinder, damping block and two damping rollers are made up of permeability magnetic material.There is through hole at the center of a damper rod in two damper rods, and the lighting outlet of damping block middle part field coil leads to outside the clutch release slave cylinder through the center hole of damper rod.
Function of the present invention be achieved in that since the width at damping block two ends less than the spacing of magnetic rheology elastic body on two minor faces in the clutch release slave cylinder; Width between the damping block two ends damping roller is greater than spacing between the magnetic rheology elastic body on two minor faces in the clutch release slave cylinder; Width between the damping block two ends damping roller is less than the spacing between two minor faces in the clutch release slave cylinder; So; When damper rod drives damping block and in clutch release slave cylinder, does back and forth operation, in the clutch release slave cylinder on two minor faces magnetic rheology elastic body under the roll extrusion of the damping roller at damping block two ends, will be crushed, make damper rod drive damping block and in clutch release slave cylinder, will receive certain damping force during reciprocal the operation.
When the field coil on damping block does not have electric current to pass through; Just there is not the magnetic line of force to pass through the magnetic rheology elastic body on damping block and interior two minor faces of clutch release slave cylinder; Therefore; The elasticity of the magnetic rheology elastic body on interior two minor faces of clutch release slave cylinder is less; When damping roller that damper rod drives the damping block two ends will receive less pressure during the magnetic rheology elastic body on two minor faces in the roll extrusion clutch release slave cylinder, make damper rod drive damping block in clutch release slave cylinder back and forth during operation suffered damping force less, and the magnetic rheology elastic body on two minor faces that flattened by the damping roller in the clutch release slave cylinder returns to normal after the damping roller is removed immediately;
After the field coil on the damping block feeds electric current; Damping block will generate an electromagnetic field; The magnetic line of force that this electromagnetic field produces will form closed magnetic circuit through magnetic rheology elastic body and the clutch release slave cylinder on interior two minor faces of damping roller, clutch release slave cylinder at damping block, damping block two ends; When damper rod drives damping block in clutch release slave cylinder during to-and-fro motion; The electromagnetic field that damping block produces will be along with damping block to-and-fro motion and magnetic rheology elastic body on two minor faces in the constantly inswept clutch release slave cylinder in clutch release slave cylinder; Make in the clutch release slave cylinder that is between damping block and the clutch release slave cylinder ferromagnetic particle in the magnetic rheology elastic body on two minor faces form chain or column aggregated structure and make its elasticity higher at magnetic direction; That is: the effect that makes in the clutch release slave cylinder magnetic line of force that the magnetic rheology elastic body on two minor faces produces at damping block is quilt " curing " down; Therefore; When the magnetic rheology elastic body on two minor faces in the roll extrusion clutch release slave cylinder of the damping roller on the damping block two ends will receive bigger pressure; Make damper rod drive damping block in clutch release slave cylinder during to-and-fro motion suffered damping force bigger, simultaneously, after electromagnetic field that damping block produces moves past in the clutch release slave cylinder zone of the magnetic rheology elastic body on two minor faces; Magnetic rheology elastic body on interior two minor faces of clutch release slave cylinder just can return to normal; If damping block continues to-and-fro motion in clutch release slave cylinder, the magnetic rheology elastic body that has then returned to normal on the magnetic rheology elastic body on two minor faces in the clutch release slave cylinder will be once more by " curing " with by the roll extrusion of damping roller under the effect of the electromagnetic field that damping block produces, make on interior two minor faces of clutch release slave cylinder the magnetic rheology elastic body on the same area under the effect of damping block electromagnetic field constantly by " curing ", return to normal again by roll extrusion and after damping block is removed.
Therefore; Get into the size of current in the field coil on the damping block through adjustment; Can adjust the electromagnetic field intensity that damping block produces; Thereby change the elasticity size be in the electromagnetic field zone that damping block produces in the clutch release slave cylinder magnetic rheology elastic body on two minor faces, make the damping force of two outstretch pole magnetorheological elastomer dampers obtain adjusting.Compare with existing pair of outstretch pole magnetorheological damper; " a kind of pair of outstretch pole magnetorheological elastomer damper " of the present invention is the magnetic rheology elastic body that is fixed in the clutch release slave cylinder on two minor faces because of its working medium; There is not motive sealing problem to magnetic flow liquid; So, " a kind of pair of outstretch pole magnetorheological elastomer damper " of the present invention but the service behaviour stable for extended periods of time and be improved working life.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the work schematic representation during the field coil no electric circuit among the present invention.
Fig. 4 be among the present invention field coil energising back damper rod to the work schematic representation of left movement.
Fig. 5 is the work schematic representation that field coil energising back damper rod moves right among the present invention.
Fig. 6 is the schematic representation that the field coil energising back magnetic line of force forms closed magnetic circuit among the present invention.
Embodiment
Specify structure of the present invention below in conjunction with accompanying drawing:
Referring to Fig. 1 and Fig. 2; This is a kind of concrete structure of the present invention; A kind of pair of outstretch pole magnetorheological elastomer damper, it comprises: two damper rods 8 and 23 that are made up of non-magnet_conductible material, constituted damping block 16, constituted two damping rollers 3 and 14, constituted clutch release slave cylinder 1 by permeability magnetic material by permeability magnetic material by permeability magnetic material; The cross section of clutch release slave cylinder 1 inner chamber is a rectangular; Be fixed with plate washer 6 and 17 at the two ends of clutch release slave cylinder 1; Middle part in plate washer 6 and 17 is porose, and internal fixation has sliding bearing 7 and 24 in the hole, has all fixed one deck magnetic rheology elastic body 2 and 12 on the surface of clutch release slave cylinder 1 interior two minor faces; The cross section of damping block 16 is I-shaped; Be wound with field coil 5 and 13 at the middle part of damping block 16; Be filled with insulating material 18 in the gap between field coil 5 and 13; A semicircular groove 4 and 15 are respectively arranged at the middle part at damping block 16 two ends, and groove 4 is vertical with the shaft axis of damper rod 8 with 15 shaft axis, and groove 4 and 15 diameter are greater than the diameter of damping roller 3 and 14; Damping roller 3 and 14 axles 19 through its two ends are installed in the semi-circular recesses 4 and 15 at damping block 16 two ends with axle 20, axle 21 and axle 22; Two damper rods 8 and an end of 23 are separately fixed at the two ends of damping block 16; Two damper rods 8 and 23 the other end stretch out in clutch release slave cylinder 1 through the sliding bearing 7 and 24 on clutch release slave cylinder 1 two ends plate washer 6 and 17 respectively; Wherein: there is through hole 9 at the center of damper rod 8, field coil 5 and 13 lighting outlet 11 center hole 9 through damper rod 8 lead to clutch release slave cylinder 1 outer with control power supply 10 and be connected; The width at damping block 16 two ends is less than the spacing of magnetic rheology elastic body 2 on clutch release slave cylinder 1 interior two minor faces and 12; Width between the damping block 16 two ends damping rollers 3 and 14 is greater than spacing between the magnetic rheology elastic body 2 and 12 on clutch release slave cylinder 1 interior two minor faces, and the width between the damping block 16 two ends damping rollers 3 and 14 is less than the spacing between clutch release slave cylinder 1 interior two minor faces.
Combine now Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 that a kind of pair of outstretch pole magnetorheological elastomer damper of the present invention further described: when controlling power supply 10 not on damping block 16 when field coil 5 and 13 output currents; If it is reciprocating in clutch release slave cylinder 1 that damper rod 8 drives damping block 16; The magnetic rheology elastic body 2 and 12 on clutch release slave cylinder 1 interior two minor faces then; Under the roll extrusion of the damping roller 3 at damping block 1 two ends and 14, will be crushed (seeing Fig. 3 for details); Make damper rod 8 drive damping blocks 16 and clutch release slave cylinder 1 in, will receive certain damping force during to-and-fro motion, and returned to normal immediately after damping roller 3 and 14 is removed by the magnetic rheology elastic body 2 and 12 on two minor faces of damping roller 3 and 14 flattenings in the clutch release slave cylinder 1;
When controlling power supply 10 behind field coil 5 on the damping block 16 and 13 output currents; Damping block 16 will generate an electromagnetic field; The magnetic line of force that this electromagnetic field produces will be through the damping roller 3 and 14 at damping block 16, damping block 16 two ends, magnetic rheology elastic body 2 and 12 and clutch release slave cylinder 1 formation closed magnetic circuit (seeing Fig. 6 for details) on clutch release slave cylinder 1 interior two minor faces; Make the ferromagnetic particle in the magnetic rheology elastic body 2 and 12 on clutch release slave cylinder 1 interior two minor faces that are between damping block 16 and the clutch release slave cylinder 1 form chain or column aggregated structure and make its elasticity higher at magnetic direction; When damper rod 8 drives damping blocks 16 in clutch release slave cylinder 1 during to left movement; Damping roller 3 on damping block 16 two ends and 14 on roll extrusion clutch release slave cylinder 1 interior two minor faces magnetic rheology elastic body 2 and will receive bigger pressure at 12 o'clock; Make damper rod 8 drive damping blocks 16 in clutch release slave cylinder 1 when left movement suffered damping force bigger; After electromagnetic field that damping block 16 produces moves past the magnetic rheology elastic body 2 and 12 zone on clutch release slave cylinder 1 interior two minor faces, the magnetic rheology elastic body 2 and 12 on clutch release slave cylinder 1 interior two minor faces just can return to normal (seeing 25 among Fig. 4 and 26 for details); Get into the size of current in the field coil 5 and 13 on the damping block 16 through adjustment; Can adjust the electromagnetic field intensity that damping block 16 produces; Be in magnetic rheology elastic body 2 on clutch release slave cylinder 1 interior two minor faces in the electromagnetic field zone that damping block 16 produced and 12 elasticity size thereby change, make the damping force of pair outstretch pole magnetorheological elastomer dampers obtain adjusting.Situation when damper rod 8 drive damping blocks 16 move right in clutch release slave cylinder 1 is similar with it, repeats no more here.
Claims (3)
1. two outstretch pole magnetorheological elastomer damper; It comprises: two damper rods, damping block, two damping rollers, clutch release slave cylinder; It is characterized in that: the cross section of said clutch release slave cylinder inner chamber is a rectangular, all is fixed with plate washer at the two ends of clutch release slave cylinder, and the middle part of plate washer is porose; Internal fixation has sliding bearing in the hole, and one deck magnetic rheology elastic body has all been fixed on the surface of two minor faces in clutch release slave cylinder; The cross section of said damping block is I-shaped, is wound with field coil at the middle part of damping block, at the middle part at damping block two ends a semicircular groove is arranged respectively, and the shaft axis of groove is vertical with the shaft axis of damper rod, and the diameter of groove is greater than the diameter of damping roller; Said damping roller is installed in the semi-circular recesses at damping block two ends; One end of said two damper rods is separately fixed at the two ends of damping block, and the other end of two damper rods stretches out in clutch release slave cylinder through the sliding bearing on the plate washer of clutch release slave cylinder two ends respectively; The width at said damping block two ends is less than the spacing of magnetic rheology elastic body on two minor faces in the clutch release slave cylinder; Width between the said damping block two ends damping roller is greater than spacing between the magnetic rheology elastic body on two minor faces in the clutch release slave cylinder, and the width between the said damping block two ends damping roller is less than the spacing between two minor faces in the clutch release slave cylinder.
2. a kind of pair of outstretch pole magnetorheological elastomer damper as claimed in claim 1 is characterized in that: said clutch release slave cylinder, damping block and two damping rollers are made up of permeability magnetic material; Said two damper rods are made up of non-magnet_conductible material.
3. a kind of pair of outstretch pole magnetorheological elastomer damper as claimed in claim 1; It is characterized in that: there is through hole at the center of a damper rod in said two damper rods, and the lighting outlet of said damping block middle part field coil leads to outside the clutch release slave cylinder through the center hole of damper rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100337497A CN102562897A (en) | 2012-02-15 | 2012-02-15 | Double-outlet rod magnet rheologic elastic body damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100337497A CN102562897A (en) | 2012-02-15 | 2012-02-15 | Double-outlet rod magnet rheologic elastic body damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102562897A true CN102562897A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100337497A Pending CN102562897A (en) | 2012-02-15 | 2012-02-15 | Double-outlet rod magnet rheologic elastic body damper |
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| CN (1) | CN102562897A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853016A (en) * | 2012-09-28 | 2013-01-02 | 谢宁 | Double-outgoing rod annular air bag vertical-type absorber |
| CN103291813A (en) * | 2013-06-25 | 2013-09-11 | 苏州唐氏机械制造有限公司 | Working method of buffer automatically attracting and releasing slider |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4583621A (en) * | 1983-04-08 | 1986-04-22 | Industrie Pirelli S.P.A. | Differentiated action oscillation damping device |
| US6394239B1 (en) * | 1997-10-29 | 2002-05-28 | Lord Corporation | Controllable medium device and apparatus utilizing same |
| CN102297230A (en) * | 2011-08-19 | 2011-12-28 | 谢宁 | Double-outstretch pole plate magneto-rheological damper |
| CN202441801U (en) * | 2012-02-15 | 2012-09-19 | 谢宁 | Magnetorheological elastomer damper with double extending rods |
-
2012
- 2012-02-15 CN CN2012100337497A patent/CN102562897A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4583621A (en) * | 1983-04-08 | 1986-04-22 | Industrie Pirelli S.P.A. | Differentiated action oscillation damping device |
| US6394239B1 (en) * | 1997-10-29 | 2002-05-28 | Lord Corporation | Controllable medium device and apparatus utilizing same |
| CN102297230A (en) * | 2011-08-19 | 2011-12-28 | 谢宁 | Double-outstretch pole plate magneto-rheological damper |
| CN202441801U (en) * | 2012-02-15 | 2012-09-19 | 谢宁 | Magnetorheological elastomer damper with double extending rods |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853016A (en) * | 2012-09-28 | 2013-01-02 | 谢宁 | Double-outgoing rod annular air bag vertical-type absorber |
| CN102853016B (en) * | 2012-09-28 | 2014-07-16 | 谢宁 | Double-outgoing rod annular air bag vertical-type absorber |
| CN103291813A (en) * | 2013-06-25 | 2013-09-11 | 苏州唐氏机械制造有限公司 | Working method of buffer automatically attracting and releasing slider |
| CN103291813B (en) * | 2013-06-25 | 2015-08-26 | 苏州飞华铝制工业有限公司 | The method of work of the buffer of a kind of automatic pick, release slider |
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| PB01 | Publication | ||
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Application publication date: 20120711 |