CN102207162B - Single-rod magnetorheological damper with laminated piston - Google Patents
Single-rod magnetorheological damper with laminated piston Download PDFInfo
- Publication number
- CN102207162B CN102207162B CN2011101566997A CN201110156699A CN102207162B CN 102207162 B CN102207162 B CN 102207162B CN 2011101566997 A CN2011101566997 A CN 2011101566997A CN 201110156699 A CN201110156699 A CN 201110156699A CN 102207162 B CN102207162 B CN 102207162B
- Authority
- CN
- China
- Prior art keywords
- disk
- clutch release
- release slave
- slave cylinder
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a single-rod magnetorheological damper with a laminated piston, which comprises a working cylinder, an external electromagnet, a compensating airbag, the laminated piston and a piston rod and is characterized in that: the laminated piston is composed of three or more wafers; the outer diameters of the wafers are smaller than the inner diameter of the working cylinder, and gaps for the flow of a magnetorheological fluid are retained among the wafers; the wafers are connected through a hinge or a connecting rod mechanism in an axial direction; the first wafer is fixed to one end of the piston rod, and the other end of the piston rod stretches out of the working cylinder through a sealing device and a bearing which are arranged on the end face of the working cylinder; the compensating airbag is arranged at the bottom of the inner part of the working cylinder; the external electromagnet is fixed on the outer circumference of the working cylinder; the working cylinder is made of a non-magnetic material; and the magnetorheological fluid is filled in the working cylinder.
Description
Technical field
The invention belongs to a kind of MR damper, be specifically related to a kind of lamination piston single outstretch pole magnetorheological damper.
Background technique
Working stroke is shorter owing to receive the restriction of clutch release slave cylinder inner carrier length for common single outstretch pole magnetorheological damper; Be difficult to be applicable to the occasion of working space limited length system; And the lamination piston in a kind of lamination piston single outstretch pole magnetorheological damper of the present invention is made up of a plurality of disks; And each disk is axially connecting through hinge or linkage mechanism, thus after the gap between each disk can be compressed the length of lamination piston is reduced, therefore; Under the identical situation of clutch release slave cylinder length, bigger working stroke can be provided, make the application area of single outstretch pole magnetorheological damper be able to expansion.
Summary of the invention
The present invention is directed to the common less deficiency of single outstretch pole magnetorheological damper working stroke; A kind of novel MR damper has been proposed; That is: a kind of lamination piston single outstretch pole magnetorheological damper; Because lamination piston single outstretch pole magnetorheological damper can provide bigger working stroke under the identical situation of clutch release slave cylinder length, thereby Applicable scope is more extensive.
Technological scheme of the present invention is following:
A kind of lamination piston single outstretch pole magnetorheological damper; It comprises clutch release slave cylinder, external electromagnet, compensation air bag, lamination piston and piston rod, and wherein, the lamination piston is to be made up of three or more disk; The external diameter of disk is less than the internal diameter of clutch release slave cylinder and leave the gap that magnetic flow liquid flows; Axially connecting through hinge or linkage mechanism between each disk, an end of piston rod and first disk are fixed, and the other end of piston rod stretches out in clutch release slave cylinder through the seal arrangement and the bearing of clutch release slave cylinder end face; The compensation air bag is installed in the bottom in the clutch release slave cylinder; External electromagnet is fixed on the excircle of clutch release slave cylinder, and clutch release slave cylinder is made up of non-magnet_conductible material, in clutch release slave cylinder, has been full of magnetic flow liquid.
The present invention's's (constituting example by three disks with the lamination piston) function is achieved in that
In the time of in promoting piston rod entering clutch release slave cylinder; Piston rod will at first promote first disk of lamination piston; First disk will push the magnetic flow liquid in the gap between first disk and second disk; This part magnetic flow liquid that is squeezed is flowed out through the gap between clutch release slave cylinder internal diameter and the disk external diameter; Gap between first disk and second disk is dwindled, and axial hinge or the linkage mechanism between first disk and second disk will fold gradually simultaneously, and be overlapping up to first disk and second disk; In the time of in promoting piston rod continuation entering clutch release slave cylinder; Piston rod will promote first disk and the second overlapping with it disk in the lamination piston; Make the magnetic flow liquid in the gap between second disk of second disk extruding and the 3rd disk; This part magnetic flow liquid that is squeezed is flowed out through the gap between clutch release slave cylinder internal diameter and the disk external diameter; Gap between second disk and the 3rd disk is dwindled, and axial hinge or the linkage mechanism between second disk and the 3rd disk will fold gradually simultaneously, and be overlapping up to second disk and the 3rd disk; After whole disks of lamination piston are overlapping; If when continuing to promote in the piston rod entering clutch release slave cylinder; Piston rod makes the magnetic flow liquid in the clutch release slave cylinder pass through the Clearance Flow between clutch release slave cylinder internal diameter and the disk external diameter magnetic flow liquid in the whole disk extruding clutch release slave cylinders that promote to overlap; Getting into the volume-variation that causes in the clutch release slave cylinder in the clutch release slave cylinder because of piston rod compensates through the compensation air bag; When the external electromagnet no electric circuit, the magnetic intensity in the clutch release slave cylinder is zero, and the interior magnetic flow liquid viscosity minimum of clutch release slave cylinder this moment makes the damping force minimum that receives when promoting in the piston rod entering clutch release slave cylinder; After the external electromagnet energising, the magnetic intensity in the clutch release slave cylinder is higher, makes the magnetic flow liquid viscosity in the clutch release slave cylinder higher, makes the damping force that receives when promoting in the piston rod entering clutch release slave cylinder bigger; The size of current of adjustment input external electromagnet can be adjusted the magnitude of field intensity in the clutch release slave cylinder, thereby the adjustment piston rod gets into the size of damping force suffered in the clutch release slave cylinder, makes the damping force of lamination piston single outstretch pole magnetorheological damper obtain adjustment.Opposite in the time of in the pulling piston rod is deactivated cylinder with said circumstances, repeat no more here.Because each disk in the lamination piston in the lamination piston single outstretch pole magnetorheological damper is axially connecting through hinge or linkage mechanism; So; The length of lamination piston is reduced; Compare with common single outstretch pole magnetorheological damper, lamination piston single outstretch pole magnetorheological damper can provide bigger working stroke under the identical situation of clutch release slave cylinder length, thereby Applicable scope is more extensive.
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 of the whole disks among the present invention when overlapping.
Fig. 4 constitutes the disk diameter of the lamination piston a kind of structural representation when identical 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; It comprises the clutch release slave cylinder 2 that is made up of non-magnet_conductible material, external electromagnet 1, compensation air bag 3, and the lamination piston is made up of disk 6, disk 7 and disk 8, and the diameter of disk 6 is greater than the diameter of the diameter of disk 7, disk 7 diameter greater than disk 8 simultaneously; The diameter of disk 6, disk 7 and disk 8 is all less than the internal diameter of clutch release slave cylinder 2 and leave gap 16, gap 17 and the gap 18 that magnetic flow liquid flows; Axially connecting through linkage 11 and linkage 12 between disk 6, disk 7 and the disk 8, an end of piston rod 13 and first disk 8 are fixing, and the other end of piston rod 13 stretches out in clutch release slave cylinder 2 with bearing 9 through the seal arrangement 10 of clutch release slave cylinder 2 end faces; Compensation air bag 3 is installed in the bottom in the clutch release slave cylinder 2; Be filled with pressurized air 4 in compensation in the air bag 3, external electromagnet 1 is fixed on the excircle of clutch release slave cylinder 2, and clutch release slave cylinder 2 is made up of non-magnet_conductible material; In clutch release slave cylinder 2, be full of magnetic flow liquid 5, external electromagnet 1 is connected with control power supply 15 through lighting outlet 14.
When promotion piston rod 13 gets in the clutch release slave cylinder 2 left; Because of the diameter of disk 7 in the lamination piston diameter greater than disk 8; Make the power that power that the disk 7 in the magnetic flow liquid 5 receives receives to left movement greater than disk 8 that is in together when left movement; Therefore, the magnetic flow liquid in gap 20 between disk 8 and the disk 7 is being flowed after the extruding that receives disk 8 through the gap 16 between lamination piston and the clutch release slave cylinder 2, gap 17 and gap 18, the gap 20 between disk 8 and the disk 7 is dwindled gradually; Make linkage 12 folding gradually, overlapping up to disk 8 and disk 7; In the time of in promoting piston rod 13 continuation entering clutch release slave cylinders 2; Piston rod 13 will promote disk after overlapping 8 and disk 7 in the lamination piston; Make disk 7 push the magnetic flow liquid in the gap 19 between disks 7 and the disk 6; Because of the diameter of disk 6 in the lamination piston diameter, make the power that power that the disk 6 in the magnetic flow liquid 5 receives to left movement receives to left movement greater than disk 7 that is in together, therefore greater than disk 7; Magnetic flow liquid between disk 7 and the disk 6 is being flowed through the gap 16 between lamination piston and the clutch release slave cylinder 2, gap 17 and gap 18 after the extruding that receives disk 7; Gap 19 between disk 7 and the disk 6 is dwindled, and the axial linkage 11 between disk 7 and the disk 6 will fold gradually simultaneously, and will be overlapping up to disk 7 and disk 6; Referring to Fig. 3; After the disk 6 of lamination piston, disk 7 and disk 8 are overlapping; If when continuing to promote in the piston rod 13 entering clutch release slave cylinders 2; Piston rod 13 makes the magnetic flow liquid 5 in the clutch release slave cylinder 2 flow through the gap 16 between clutch release slave cylinder 2 internal diameters and the lamination piston external diameter, gap 17 and gap 18 magnetic flow liquid 5 in the disk 6 that promotes to overlap, disk 7 and the disk 8 extruding clutch release slave cylinders 2; Getting into the volume-variation that causes in the clutch release slave cylinder 2 in the clutch release slave cylinder 2 because of piston rod 13 compensates through compensation air bag 3; The size of current that adjustment control power supply 15 is input in the external electromagnet 1 can be adjusted the magnitude of field intensity in the clutch release slave cylinder 2; Thereby adjustment piston rod 13 gets into the size of damping force suffered in the clutch release slave cylinder 2, makes the damping force of lamination piston single outstretch pole magnetorheological damper obtain adjustment.Opposite with said circumstances when spurring piston rod 13 to the right and deactivate in the cylinder 2, repeat no more here.
Claims (1)
1. lamination piston single outstretch pole magnetorheological damper; It comprises clutch release slave cylinder, external electromagnet, compensation air bag, lamination piston and piston rod, it is characterized in that: said lamination piston is to be made up of three or more disk, and the external diameter of disk is less than the internal diameter of clutch release slave cylinder and leave the gap that magnetic flow liquid flows; Axially connecting between each disk through hinge or linkage mechanism; And the length of lamination piston is reduced, and an end of piston rod and first disk are fixed, and the other end of piston rod stretches out in clutch release slave cylinder through the seal arrangement and the bearing of clutch release slave cylinder end face; The compensation air bag is installed in the bottom in the clutch release slave cylinder; External electromagnet is fixed on the excircle of clutch release slave cylinder, and clutch release slave cylinder is made up of non-magnet_conductible material, in clutch release slave cylinder, has been full of magnetic flow liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101566997A CN102207162B (en) | 2011-06-13 | 2011-06-13 | Single-rod magnetorheological damper with laminated piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101566997A CN102207162B (en) | 2011-06-13 | 2011-06-13 | Single-rod magnetorheological damper with laminated piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102207162A CN102207162A (en) | 2011-10-05 |
| CN102207162B true CN102207162B (en) | 2012-08-01 |
Family
ID=44696153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101566997A Expired - Fee Related CN102207162B (en) | 2011-06-13 | 2011-06-13 | Single-rod magnetorheological damper with laminated piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102207162B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608941B (en) * | 2014-12-10 | 2017-01-11 | 重庆大学 | Magneto-rheological hinge recombination device with angle location and locking functions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351515A (en) * | 1979-07-02 | 1982-09-28 | Toyota Jidosha Kogyo Kabushiki Kaisha | Feedback control type shock absorbing suspension system |
| CN2482608Y (en) * | 2001-06-13 | 2002-03-20 | 乐清市正星健身器配件厂 | Hydraulic damper |
| EP1016805B1 (en) * | 1992-06-18 | 2003-04-09 | Lord Corporation | Magnetorheological fluid devices |
| EP2177784A2 (en) * | 2008-10-15 | 2010-04-21 | Delphi Technologies, Inc. | Magnetorheological Devices with Permanent Field Bias |
| CN101709761A (en) * | 2009-12-23 | 2010-05-19 | 谭和平 | Single outstretch pole magnetorheological damper |
| CN202100651U (en) * | 2011-06-13 | 2012-01-04 | 谭晓婧 | Magnetorheological damper for single outlet rod of laminated piston |
-
2011
- 2011-06-13 CN CN2011101566997A patent/CN102207162B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351515A (en) * | 1979-07-02 | 1982-09-28 | Toyota Jidosha Kogyo Kabushiki Kaisha | Feedback control type shock absorbing suspension system |
| EP1016805B1 (en) * | 1992-06-18 | 2003-04-09 | Lord Corporation | Magnetorheological fluid devices |
| CN2482608Y (en) * | 2001-06-13 | 2002-03-20 | 乐清市正星健身器配件厂 | Hydraulic damper |
| EP2177784A2 (en) * | 2008-10-15 | 2010-04-21 | Delphi Technologies, Inc. | Magnetorheological Devices with Permanent Field Bias |
| CN101709761A (en) * | 2009-12-23 | 2010-05-19 | 谭和平 | Single outstretch pole magnetorheological damper |
| CN202100651U (en) * | 2011-06-13 | 2012-01-04 | 谭晓婧 | Magnetorheological damper for single outlet rod of laminated piston |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102207162A (en) | 2011-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102230507B (en) | Magnetorheological damper with multi-piece piston and single rod | |
| CN108278320B (en) | A kind of big power output method of MR damper Combined-operating mode and damper | |
| EP2177784A2 (en) | Magnetorheological Devices with Permanent Field Bias | |
| CN102297228B (en) | Double-rod multidisc-piston magnetorheological fluid damper | |
| EP3771845A1 (en) | Magnetorheological hydraulic damper with passive damping chamber | |
| CN202100651U (en) | Magnetorheological damper for single outlet rod of laminated piston | |
| CN102297233B (en) | Single-ended magnetorheological damper | |
| CN102359536A (en) | Leakage-free seal-ring-free two-way controllable magnetorheological damper | |
| CN102207162B (en) | Single-rod magnetorheological damper with laminated piston | |
| CN102141108B (en) | External electromagnet retractable type magnetorheological damper | |
| CN105179575A (en) | Double-rod multistage-piston self-adaptation magnetorheological damper | |
| CN202100652U (en) | Multi-plate piston single rod magnetorheological damper | |
| CN105179574A (en) | Single-rod multistage-piston active single-control variable-damping magneto-rheological damper | |
| CN102128232A (en) | Multilevel retractable type magnetorheological damping device | |
| CN105065553A (en) | Active double-control variable-damping magnetorheological damper with single rod and changeable cylinder block | |
| CN202203326U (en) | Single outlet rod magnetic rheological damping device | |
| CN203670582U (en) | Novel intelligent damper | |
| CN101839298B (en) | Double-cylinder magneto-rheological damper | |
| CN105179567A (en) | Single-rod variable-cylinder-body active single-control variable-damping magnetorheological damper | |
| CN202158133U (en) | Double rod multiplate piston magnetorheological damper | |
| CN105065528A (en) | Single-pole multi-grade piston adaptive magneto-rheological damper | |
| CN105065534A (en) | Active dual-control variable-damping magneto-rheological damper for double-rod variable cylinder block | |
| CN102094930B (en) | Double-cylinder differential magnetorheological damper | |
| CN202203322U (en) | Double-ejection-rod magnetorheological damper | |
| CN201953897U (en) | External electromagnetic telescopic magnetorheological damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120801 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |