CN203413016U - Magneto-rheological elastomer double-ejection rod and single-annular membrane type damper - Google Patents
Magneto-rheological elastomer double-ejection rod and single-annular membrane type damper Download PDFInfo
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- CN203413016U CN203413016U CN201320484047.0U CN201320484047U CN203413016U CN 203413016 U CN203413016 U CN 203413016U CN 201320484047 U CN201320484047 U CN 201320484047U CN 203413016 U CN203413016 U CN 203413016U
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- annular damping
- double
- annular
- clutch release
- release slave
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Abstract
The utility model discloses a magneto-rheological elastomer double-ejection rod and single-annular membrane type damper. The magneto-rheological elastomer double-ejection rod and single-annular membrane type damper comprises a working cylinder, a damping rod, two annular damping membranes, two annular damping sheets and a double-faced annular electromagnet, wherein the working cylinder is cylindrical; end covers are fixedly at the two ends of the working cylinder; the outer periphery of the double-faced annular electromagnet is fixedly arranged on the inner wall of the working cylinder between the two end covers; at least four pairs of magnetic poles are uniformly distributed on each annular face of the double-faced annular electromagnet; each magnetic pole is wound with a magnet exciting coil; the two annular damping membranes are composed of magneto-rheological elastomers; the outer peripheries of the annular damping sheets are fixedly arranged on the inner peripheries of the annular damping membranes; the outer peripheries of the two annular damping membranes are respectively fixed on the inner walls of the working cylinder between the double-faced annular electromagnet and the two end covers in parallel; the damping rod penetrates through central holes of the two annular damping sheets and is used for fixing the two annular damping sheets at the middle part of the damping rod; the two ends of the damping rod stretch out of the two ends of the working cylinder through sliding bearings on the two end covers of the working cylinder.
Description
Technical field
The utility model belongs to a kind of MR damper, is specifically related to the two rod monocycle film dampers of a kind of magnetic rheology elastic body.
Background technique
MR damper is a kind of intelligent vibration damping device, existing MR damper adopts piston and clutch release slave cylinder structure more, piston mostly wherein is the cylindrical consisting of magnetic conductive metal, and by the viscosity of magnetic flow liquid in changing between piston and clutch release slave cylinder, adjust the damping force of its output, the MR damper that this class adopts cylindrical piston structure because of the quality of piston compared with the gap between large and piston and clutch release slave cylinder compared with the little vibration damping demand that is difficult to be applicable to the vibration occasion of the little amplitude of high frequency.
Summary of the invention
For the quality of piston in existing MR damper compared with large and be difficult to be applicable to the deficiency of the vibration occasion vibration damping of the little amplitude of high frequency, the utility model proposes a kind of novel MR damper, that is: two rod monocycle film dampers, the technical solution of the utility model is as follows:
Two rod monocycle film dampers, it comprises clutch release slave cylinder, damper rod, two annular damping membranes, two annular damping fins and a Double-face ring electromagnet, clutch release slave cylinder is wherein cylindrical shape, at the two ends of clutch release slave cylinder, is fixed with end cap, porose at the center of two end caps, in the center hole of end cap, sliding bearing is installed, the excircle of Double-face ring electromagnet is fixed on the inwall of two clutch release slave cylinders between end cap, and Double-face ring electromagnet equates with the spacing between two end caps, on each toroidal surface of Double-face ring electromagnet, be evenly equipped with at least 4 pairs of magnetic poles, on each magnetic pole, be wound with field coil, the internal diameter of Double-face ring electromagnet is greater than the diameter of damper rod and leaves the axially gap of activity of damper rod, two annular damping membranes consist of magnetic rheology elastic body, the excircle of annular damping fin is fixed on the inner circumference of annular damping membrane, and the excircle of two annular damping membranes is fixed on respectively on the inwall of the clutch release slave cylinder between Double-face ring electromagnet and two end cap abreast, damper rod passes the mesopore of two annular damping fins and two annular damping fins is fixed on to the middle part of damper rod, stretch out from the two ends of clutch release slave cylinder by the sliding bearing on two end caps of clutch release slave cylinder at the two ends of damper rod, the cylinder of clutch release slave cylinder, annular damping fin and damper rod consist of non-magnet_conductible material, two end caps of clutch release slave cylinder consist of permeability magnetic material, spacing between two end caps and Double-face ring electromagnet is greater than the thickness of annular damping fin and annular damping membrane and leaves annular damping fin and the axial movable gap of annular damping membrane, on the toroidal surface of annular damping fin, be evenly equipped with at least two through holes.
Function of the present utility model is achieved in that the top that vibration source is placed in to damper rod one end, when the Double-face ring electromagnet in the middle part of being positioned at clutch release slave cylinder is not switched on, electromagnetic field intensity in clutch release slave cylinder is zero, the annular damping membrane being formed by magnetic rheology elastic body because not having the magnetic line of force to pass, annular damping membrane now has lower stretching or distortion elasticity, after Double-face ring electromagnet energising in clutch release slave cylinder, the part magnetic line of force that magnetic pole on two anchor rings of Double-face ring electromagnet circle generates an electromagnetic field can form closed magnetic circuit through the end cap at the annular damping membrane consisting of magnetic rheology elastic body and clutch release slave cylinder two ends strengthens the magnetic intensity in clutch release slave cylinder, make the elasticity of two annular damping membranes when stretching or be out of shape higher, therefore, the size of current that is input to Double-face ring electromagnet by adjustment is the intensity of the electromagnetic field in capable of regulating clutch release slave cylinder, the elasticity size of two annular damping membranes in clutch release slave cylinder is changed, making damper rod pass through two annular damping fins drives the damping force of two annular damping membranes when clutch release slave cylinder in-draw or distortion to change, thereby the damping force of the two rod monocycle film dampers of magnetic rheology elastic body of the present utility model is adjusted, the air of through hole on annular damping fin for releasing between two annular damping fins, to improve the working sensitivity of the two rod monocycle film dampers of magnetic rheology elastic body, the beneficial effects of the utility model are: because of the quality of the damping fin in the utility model and damping membrane less, so, make the utility model there is reaction flexibly for high frequency small amplitude motion, because its total quality is lower, inertia is less, can be pointed the vibration of the little amplitude of high frequency is carried out to effective damping.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the sectional view of a kind of structure of Double-face ring electromagnet in Fig. 1.
Fig. 3 is the plan view of Double-face ring electromagnet in Fig. 2.
Fig. 4 is the worm's eye view of Double-face ring electromagnet in Fig. 2.
Schematic diagram when Fig. 5 is work of the present utility model.
Fig. 6 is the schematic diagram of the utility model when application.
Embodiment
Below in conjunction with accompanying drawing, describe structure of the present utility model in detail:
Referring to Fig. 1 to Fig. 4, this is a kind of concrete structure of the present utility model, two rod monocycle film dampers, it comprises clutch release slave cylinder 4, damper rod 18, two annular damping membranes 3 and 9, two annular damping fins 1 and 12 and Double-face ring electromagnet 8, wherein: clutch release slave cylinder 4 is cylindrical shape, at the two ends of clutch release slave cylinder 4, be fixed with the end cap 10 being formed by permeability magnetic material, sliding bearing 17 is installed in the center hole of end cap 10, the excircle of Double-face ring electromagnet 8 is fixed on the inwall of two clutch release slave cylinders 4 between end cap 10, and Double-face ring electromagnet 8 equates with the spacing between two end cap 10, on a toroidal surface on Double-face ring electromagnet 8, be evenly equipped with 4 pairs of magnetic poles 15, on each magnetic pole 15, be wound with field coil 22, on a toroidal surface below Double-face ring electromagnet 8, be also evenly equipped with 4 pairs of magnetic poles 14, on each magnetic pole 14, be wound with field coil 23, the diameter of the endoporus 13 of Double-face ring electromagnet 8 is greater than the diameter of damper rod 18 and leaves the axially gap of activity of damper rod 18, two annular damping membranes 3 and 9 consist of magnetic rheology elastic body, the excircle of the annular damping fin 1 consisting of non-magnet_conductible material is fixed on the inner circumference of annular damping membrane 3, and the excircle of the annular damping fin 12 consisting of non-magnet_conductible material is fixed on the inner circumference of annular damping membrane 9, the excircle of annular damping membrane 3 is fixed on the inwall of the clutch release slave cylinder between Double-face ring electromagnet 8 and an end cap 10, and the excircle of annular damping membrane 9 is fixed on the inwall of the clutch release slave cylinder between Double-face ring electromagnet 8 and another end cap 10, the damper rod 18 consisting of non-magnet_conductible material passes the mesopore of two annular damping fins 1 and 12 and two annular damping fins 1 and 12 is fixed on to the middle part of damper rod 18, stretch out from the two ends of clutch release slave cylinder 4 by the sliding bearing 17 on 4 two end caps 10 of clutch release slave cylinder at the two ends of damper rod 18, the cylinder 4 of clutch release slave cylinder 4 consists of non-magnet_conductible material, and on the toroidal surface of annular damping fin 1, be evenly equipped with two through holes 2, on the toroidal surface of annular damping fin 12, be evenly equipped with two through holes 11.
In conjunction with Fig. 5 and Fig. 6, the function of the two rod monocycle film dampers of magnetic rheology elastic body of the present utility model is further described now: referring to Fig. 1 to Fig. 6, on Double-face ring electromagnet 8 in the two rod monocycle film dampers 20 of magnetic rheology elastic body, field coil 22 is connected with control power supply 7 with 6 by connecting line 5 respectively with 23, one end of the damper rod 18 of the two rod monocycle film dampers 20 of four magnetic rheology elastic bodies (is referred to: Fig. 6) by sending out blue 21 four jiaos of being fixed on precision type instrument 16, the clutch release slave cylinder 4 of four two rod monocycle film dampers 20 of magnetic rheology elastic body is fixing with pedestal 25, the other end of damper rod 18 extend in the pit 19 of pedestal 25, the degree of depth of pit 19 is greater than the length that the other end of damper rod 18 stretches out.
When controlling power supply 7 less than the field coil 22 on the Double-face ring electromagnet 8 in clutch release slave cylinder 4 and 23 output current, electromagnetic field intensity in clutch release slave cylinder 4 is zero, the annular damping membrane 3 and 9 being formed by magnetic rheology elastic body because not having the magnetic line of force to pass, annular damping membrane 3 and 9 now has lower stretching or distortion elasticity, that is: the two rod monocycle film dampers 20 of magnetic rheology elastic body now have initial damping force; when controlling power supply 7 after Double-face ring electromagnet 8 output currents at clutch release slave cylinder 4 middle parts, the magnetic line of force of the electromagnetic field that the magnetic pole 14 and 15 on two toroidal surfaces of Double-face ring electromagnet 8 produces will also form closed magnetic circuit with two end caps 10 respectively through the annular damping membrane 3 consisting of magnetic rheology elastic body and 9 respectively, the elasticity of annular damping membrane 3 and 9 when stretching or be out of shape is uprised, therefore, by adjustment, control the size of current that power supply 7 is input to Double-face ring electromagnet 8, it is the intensity size of the electromagnetic field in capable of regulating clutch release slave cylinder 4, the elasticity size of annular damping membrane 3 in clutch release slave cylinder 4 and 9 is changed, damping force while making damper rod 18 be driven annular damping membrane 3 and 9 in clutch release slave cylinder 4 in-draws or be out of shape by annular damping fin 1 and 12 changes, thereby make the size of damping force of the two rod monocycle film dampers 20 of magnetic rheology elastic body controlled, therefore, the size that can control power supply 7 output currents by adjustment makes the size of two rod monocycle film damper 20 damping forces of magnetic rheology elastic body of the present utility model adjustable, the dither that pedestal 25 is produced is reduced after the damping by the two rod monocycle film dampers 20 of magnetic rheology elastic body, making to be placed in the vibration that the precision type instrument 16 on pedestal 25 is subject to is effectively suppressed.
Claims (4)
1. two rod monocycle film dampers of magnetic rheology elastic body, it comprises clutch release slave cylinder, damper rod, two annular damping membranes, two annular damping fins and a Double-face ring electromagnet; It is characterized in that: described clutch release slave cylinder is cylindrical shape, at the two ends of clutch release slave cylinder, is fixed with end cap, porose at the center of two end caps, in the center hole of end cap, sliding bearing is installed; The excircle of described Double-face ring electromagnet is fixed on the inwall of two clutch release slave cylinders between end cap, and Double-face ring electromagnet equates with the spacing between two end caps, on each toroidal surface of Double-face ring electromagnet, be evenly equipped with at least 4 pairs of magnetic poles, on each magnetic pole, be wound with field coil, the internal diameter of Double-face ring electromagnet is greater than the diameter of damper rod and leaves the axially gap of activity of damper rod; Described two annular damping membranes consist of magnetic rheology elastic body; The excircle of described annular damping fin is fixed on the inner circumference of annular damping membrane, and the excircle of two annular damping membranes is fixed on respectively on the inwall of the clutch release slave cylinder between Double-face ring electromagnet and two end cap abreast; Described damper rod passes the mesopore of two annular damping fins and two annular damping fins is fixed on to the middle part of damper rod, and stretch out from the two ends of clutch release slave cylinder by the sliding bearing on two end caps of clutch release slave cylinder at the two ends of damper rod.
2. the two rod monocycle film dampers of magnetic rheology elastic body as claimed in claim 1, is characterized in that: the cylinder of described clutch release slave cylinder, annular damping fin and damper rod consist of non-magnet_conductible material, and two end caps of clutch release slave cylinder consist of permeability magnetic material.
3. the two rod monocycle film dampers of magnetic rheology elastic body as claimed in claim 1, is characterized in that: the spacing between described two end caps and Double-face ring electromagnet is greater than the thickness of annular damping fin and annular damping membrane and leaves annular damping fin and the axial movable gap of annular damping membrane.
4. the two rod monocycle film dampers of magnetic rheology elastic body as claimed in claim 1, is characterized in that: on the toroidal surface of described annular damping fin, be evenly equipped with at least two through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484047.0U CN203413016U (en) | 2013-08-09 | 2013-08-09 | Magneto-rheological elastomer double-ejection rod and single-annular membrane type damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484047.0U CN203413016U (en) | 2013-08-09 | 2013-08-09 | Magneto-rheological elastomer double-ejection rod and single-annular membrane type damper |
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| Publication Number | Publication Date |
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| CN203413016U true CN203413016U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320484047.0U Expired - Fee Related CN203413016U (en) | 2013-08-09 | 2013-08-09 | Magneto-rheological elastomer double-ejection rod and single-annular membrane type damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074915A (en) * | 2014-06-26 | 2014-10-01 | 重庆大学 | Axial differential multi-stage shearing type controllable vibration isolator |
| CN104999344A (en) * | 2015-08-17 | 2015-10-28 | 宇环数控机床股份有限公司 | Magnetic field generator of magnetorheological polishing equipment |
| CN105014484A (en) * | 2015-08-17 | 2015-11-04 | 宇环数控机床股份有限公司 | Magnetic field generation device of magnetorheological polishing equipment |
| CN105458839A (en) * | 2015-08-17 | 2016-04-06 | 宇环数控机床股份有限公司 | Magnetorheological polishing method and device |
-
2013
- 2013-08-09 CN CN201320484047.0U patent/CN203413016U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074915A (en) * | 2014-06-26 | 2014-10-01 | 重庆大学 | Axial differential multi-stage shearing type controllable vibration isolator |
| CN104074915B (en) * | 2014-06-26 | 2016-02-24 | 重庆大学 | The multistage shearing type controllable vibration isolator of axial difference dynamic formula |
| CN104999344A (en) * | 2015-08-17 | 2015-10-28 | 宇环数控机床股份有限公司 | Magnetic field generator of magnetorheological polishing equipment |
| CN105014484A (en) * | 2015-08-17 | 2015-11-04 | 宇环数控机床股份有限公司 | Magnetic field generation device of magnetorheological polishing equipment |
| CN105458839A (en) * | 2015-08-17 | 2016-04-06 | 宇环数控机床股份有限公司 | Magnetorheological polishing method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140809 |
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| EXPY | Termination of patent right or utility model |