CN203130890U - Fracture piston single rod magnetorheological damper - Google Patents
Fracture piston single rod magnetorheological damper Download PDFInfo
- Publication number
- CN203130890U CN203130890U CN 201320021485 CN201320021485U CN203130890U CN 203130890 U CN203130890 U CN 203130890U CN 201320021485 CN201320021485 CN 201320021485 CN 201320021485 U CN201320021485 U CN 201320021485U CN 203130890 U CN203130890 U CN 203130890U
- Authority
- CN
- China
- Prior art keywords
- piston
- slave cylinder
- clutch release
- release slave
- slip damping
- 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 utility model discloses a fracture piston single rod magnetorheological damper. The fracture piston single rod magnetorheological damper comprises a piston, a piston rod, a working cylinder, a compensation air bag and an externally-arranged electromagnet, wherein the piston is formed by a piston body, two sliding damping blocks and a sliding damping block position adjuster, the piston body is of a cuboid shape, two short edges of the vertical section of the piston body are of circular-arc shapes, two symmetrical grooves which penetrate through the piston body are formed in the two long edges of the vertical section of the piston body in the axial direction, the two sliding damping blocks are arranged in the two grooves respectively, the two sliding damping blocks are fixedly arranged on the sliding damping block position adjustor, the piston rod is provided with a central through hole, one end of the piston rod is fixed with the piston body, the other end of the piston rod passes through a sealing device at one end of the working cylinder and a sliding bearing and extends out of the inner portion of the working cylinder, the compensation air bag is fixedly arranged on the bottom inside the working cylinder, the externally-arranged electromagnet is fixedly arranged on an outer shell of the working cylinder, the piston is arranged in the working cylinder, and the working cylinder is filled with magnetorheological fluid.
Description
Technical field
The utility model belongs to a kind of MR damper, is specifically related to a kind of crack piston single outstretch pole magnetorheological damper.
Background technique
MR damper is a kind of intelligent vibration damping device, the structure of common MR damper is that piston is installed in clutch release slave cylinder, and in clutch release slave cylinder, be filled with magnetic flow liquid, adjust the electromagnetic field intensity that is applied to magnetic flow liquid in the clutch release slave cylinder by the control power supply, the viscosity of magnetic flow liquid in the clutch release slave cylinder is changed, thereby make the magnetic flow liquid in the clutch release slave cylinder when the working clearance that is pressed through between piston periphery wall and the clutch release slave cylinder inner circle wall, can obtain different damping forces, because the working clearance between piston periphery wall and the clutch release slave cylinder inner circle wall in this class MR damper is certain value, so the regulation range of its damping force is difficult to enlarge, and crack of the present utility model piston single outstretch pole magnetorheological damper not only can be regulated its damping force by the control power supply, can also be by the gap width between slip damping block and the trapezoidal groove on the adjustment piston, working clearance between piston periphery wall and the clutch release slave cylinder inner circle wall is changed, that is: the size of the damp channel that the magnetic flow liquid in the clutch release slave cylinder flows is changed, thereby the damping force when making its work obtain bigger expansion.
Summary of the invention
Can not regulate at the working clearance between piston periphery wall in the common MR damper and the clutch release slave cylinder inner circle wall, the deficiency that makes its damping force regulation range be difficult to enlarge, the utility model proposes a kind of novel MR damper, that is: a kind of crack piston single outstretch pole magnetorheological damper, the technical solution of the utility model is as follows:
A kind of crack piston single outstretch pole magnetorheological damper, it comprises piston, piston rod, clutch release slave cylinder, compensation air bag and external electromagnet; Piston wherein is made of piston only, two slip damping blocks, slip damping block position regulators, piston only is cuboid shape, two minor faces of piston only longitudinal plane are circular arc, two long limits of piston only longitudinal plane are at the groove of the perforation piston only that two symmetries are axially arranged, groove is isosceles trapezoid axially piston only, and an axial strip through-hole is arranged in the bottom of two grooves; Two slip damping blocks are installed in respectively in two grooves, the shape of slip damping block and the shape of groove are identical, the thickness of slip damping block is identical with the degree of depth of groove, the width on the narrow limit of slip damping block equates that with the width on the narrow limit of groove the length of slip damping block is less than the length of groove; Two slip damping blocks are fixed on the slip damping block position regulator, and slip damping block position regulator is installed in the strip through-hole of two bottom portion of groove; The longitudinal plane shape of clutch release slave cylinder inner chamber and the longitudinal plane shape of piston are identical, and the longitudinal plane area of clutch release slave cylinder inner chamber leaves the mobile gap of magnetic flow liquid greater than the longitudinal plane area of piston between piston periphery wall and clutch release slave cylinder inner circle wall; At the two ends of clutch release slave cylinder two end caps are arranged fixedly, one of them end cap has center hole, and seal arrangement and sliding bearing are installed in center hole; Piston rod has central through bore, and an end and the piston only of piston rod are fixed, and the other end of piston rod stretches out in clutch release slave cylinder by seal arrangement and the sliding bearing of clutch release slave cylinder one end; The compensation air bag is fixed on the bottom in the clutch release slave cylinder; External electromagnet is fixed on the shell of clutch release slave cylinder; Piston is installed in the clutch release slave cylinder, in clutch release slave cylinder, be full of magnetic flow liquid, slip damping block position regulator is made of connecting rod and regulating lever, connecting rod passes the strip through-hole of bottom portion of groove, the middle part of the two ends of connecting rod and two slip damping blocks is fixed, the threaded end of regulating lever passes the screw at connecting rod middle part and is installed in the axial two ends of strip through-hole, and the other end of regulating lever extend in the central through bore of piston rod; Piston and slip damping block adopt permeability magnetic material to constitute; Clutch release slave cylinder is made of non-magnet_conductible material.
After having taked technique scheme, make the working clearance between clutch release slave cylinder inner carrier and the clutch release slave cylinder change into a variable from a definite value, crack of the present utility model piston single outstretch pole magnetorheological damper is not when adjusting the position of slip damping block, and is similar with the working condition of common single outstretch pole magnetorheological damper; When adjusting diverse location at piston upper trapezoid groove of two slip damping blocks on the piston by slip damping block position regulator, can form the passage that four magnetic flow liquids flow at axial (that is: on the flow direction at magnetic flow liquid) of piston periphery wall (that is: two of piston planes), therefore, can be by the gap width between slip damping block and the trapezoidal groove on the adjustment piston, make the magnetic flow liquid in the clutch release slave cylinder not only can be along the Clearance Flow between piston periphery wall and the clutch release slave cylinder inner circle wall, but also can be by the channel flow between slip damping block and the trapezoidal groove on the piston, increased the flow channel of magnetic flow liquid in the clutch release slave cylinder thus, because piston only and slip damping block are made of permeability magnetic material, so, the intensity maximum of the electromagnetic field in the gap between piston periphery wall and the clutch release slave cylinder inner circle wall, make the magnetic flow liquid that flows along piston periphery wall axial passage also will be subjected to the effect that external electromagnet generates an electromagnetic field, make the adjustment range of the work damping force of crack piston single outstretch pole magnetorheological damper obtain expanding.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model, also is the schematic representation of slip damping block when the home position.
Fig. 2 be Fig. 1 A-A to sectional view.
Fig. 3 be Fig. 1 B-B to sectional view.
Schematic representation when Fig. 4 is the utility model work also is the schematic representation after the slip damping block leaves the home position.
Fig. 5 be Fig. 4 A-A to sectional view.
Fig. 6 be Fig. 4 B-B to sectional view.
Fig. 7 is the schematic representation when the slip damping block is adjusted to maximum position on the piston in the utility model.
Fig. 8 be Fig. 7 A-A to sectional view.
Fig. 9 be Fig. 7 B-B to sectional view.
Embodiment
Describe structure of the present utility model in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, Fig. 2, Fig. 3, this is a kind of concrete structure of the present utility model, a kind of crack piston single outstretch pole magnetorheological damper, and it comprises piston 6, piston rod 13, clutch release slave cylinder 5, compensation air bag 2 and external electromagnet 1; Piston 6 wherein is made of piston only 6, two slip damping blocks 9, slip damping block position regulators, the piston only 6 that is made of permeability magnetic material is cuboid shape, two minor faces of piston only 6 longitudinal planes are circular arc E, two long limits of piston only 6 longitudinal planes are at the groove 7 of the perforation piston only that two symmetries are axially arranged, groove 7 is isosceles trapezoid axially piston only 6, and an axial strip through-hole 10 is arranged in the bottom of two grooves 7; Two slip damping blocks 9 that are made of permeability magnetic material are installed in respectively in two grooves 7, the shape of the shape of slip damping block 9 and groove 7 is identical, the thickness of slip damping block 9 is identical with the degree of depth of groove 7, the width on the narrow limit of slip damping block 9 equates that with the width on the narrow limit of groove 7 length of slip damping block 9 is less than the length of groove 7; Two slip damping blocks 9 are fixed on the slip damping block position regulator, slip damping block position regulator is made of connecting rod 22 and regulating lever 18, connecting rod 22 passes the strip through-hole 10 of groove 7 bottoms, the middle part of the two ends of connecting rod 22 and two slip damping blocks 9 is fixed, regulating lever 18 has an end of screw thread 21 to pass the screw 29 at connecting rod 22 middle parts and is installed on the bearing 20 at the axial two ends of strip through-hole 10, and the other end of regulating lever 18 extend in the central through bore 19 of piston rod 13; The longitudinal plane shape of clutch release slave cylinder 5 inner chambers that are made of non-magnet_conductible material and the longitudinal plane shape of piston 6 are identical, the longitudinal plane area of clutch release slave cylinder 5 inner chambers leaves the mobile gap 8 of magnetic flow liquid greater than the longitudinal plane area of piston 6 between piston 6 periphery walls and clutch release slave cylinder 5 inner circle walls; At the two ends of clutch release slave cylinder 5 end cap 14 and end cap 28 are arranged fixedly, wherein: end cap 28 has center hole, and seal arrangement 11 and sliding bearing 12 are installed in center hole; Piston rod 13 has central through bore 19, and an end of piston rod 13 and piston only 6 are fixing, and the other end of piston rod 13 stretches out in clutch release slave cylinder 5 by seal arrangement 11 and the sliding bearing 12 of clutch release slave cylinder 5 one ends; The compensation air bag 2 that has charged into certain air pressure 3 is fixed on the bottom in the clutch release slave cylinder 5; External electromagnet solid 1 fixes on the shell of clutch release slave cylinder 5; Piston 6 is installed in the clutch release slave cylinder 5, has been full of magnetic flow liquid 4 in clutch release slave cylinder 5, and control power supply 25 is connected with external electromagnet 1 by going between.
Crack piston single outstretch pole magnetorheological damper working condition is such: referring to Fig. 1 to Fig. 6, when the slip damping block 9 of crack of the present utility model piston single outstretch pole magnetorheological damper be in the home position time (seeing for details: Fig. 1 and Fig. 2), crack piston single outstretch pole magnetorheological damper, can adjust the damping force of its output by control power supply 25 in good time, namely similar with common single outstretch pole magnetorheological damper working condition.
When by the diverse location of two slip damping blocks 9 on regulating lever 18 regulating pistons 6 of adjusting slip damping block position regulator at piston 6 upper trapezoid grooves 7, the passage 26(that can flow at four magnetic flow liquids of axial formation of piston 6 periphery walls (that is: two of piston plane P) sees for details: Fig. 4 and Fig. 5), therefore, can be by (gap) passage 26 width between slip damping block 9 and the trapezoidal groove 7 on the adjustment piston 6, magnetic flow liquid 4 in the clutch release slave cylinder 5 not only can be flowed along the gap 8 between piston 6 periphery walls and clutch release slave cylinder 5 inner circle walls, but also can flow by the passage 26 between slip damping block 9 on the piston 6 and the trapezoidal groove 7, increased the flow channel of magnetic flow liquid 4 in the clutch release slave cylinder 5 thus, because piston only 6 and slip damping block 9 are made of permeability magnetic material, so, the intensity maximum of the electromagnetic field in the gap 8 between piston 6 periphery walls and clutch release slave cylinder 5 inner circle walls, make the magnetic flow liquid 4 that flows along piston 6 periphery wall axial passages 26 also will be subjected to the effect that external electromagnet 1 generates an electromagnetic field, make the adjustment range of the work damping force of crack piston single outstretch pole magnetorheological damper obtain expanding.
Claims (3)
1. crack piston single outstretch pole magnetorheological damper, it comprises piston, piston rod, clutch release slave cylinder, compensation air bag and external electromagnet; It is characterized in that: described piston is made of piston only, two slip damping blocks, slip damping block position regulators, piston only is cuboid shape, two minor faces of piston only longitudinal plane are circular arc, two long limits of piston only longitudinal plane are at the groove of the perforation piston only that two symmetries are axially arranged, groove is isosceles trapezoid axially piston only, and an axial strip through-hole is arranged in the bottom of two grooves; Two slip damping blocks are installed in respectively in two grooves, the shape of slip damping block and the shape of groove are identical, the thickness of slip damping block is identical with the degree of depth of groove, the width on the narrow limit of slip damping block equates that with the width on the narrow limit of groove the length of slip damping block is less than the length of groove; Two slip damping blocks are fixed on the slip damping block position regulator, and slip damping block position regulator is installed in the strip through-hole of two bottom portion of groove; The longitudinal plane shape of described clutch release slave cylinder inner chamber and the longitudinal plane shape of piston are identical, and the longitudinal plane area of clutch release slave cylinder inner chamber leaves the mobile gap of magnetic flow liquid greater than the longitudinal plane area of piston between piston periphery wall and clutch release slave cylinder inner circle wall; At the two ends of clutch release slave cylinder two end caps are arranged fixedly, one of them end cap has center hole, and seal arrangement and sliding bearing are installed in center hole; Described piston rod has central through bore, and an end and the piston only of piston rod are fixed, and the other end of piston rod stretches out in clutch release slave cylinder by seal arrangement and the sliding bearing of clutch release slave cylinder one end; Described compensation air bag is fixed on the bottom in the clutch release slave cylinder; Described external electromagnet is fixed on the shell of clutch release slave cylinder; Described piston is installed in the clutch release slave cylinder, has been full of magnetic flow liquid in clutch release slave cylinder.
2. a kind of crack as claimed in claim 1 piston single outstretch pole magnetorheological damper, it is characterized in that: described slip damping block position regulator is made of connecting rod and regulating lever, connecting rod passes the strip through-hole of bottom portion of groove, the middle part of the two ends of connecting rod and two slip damping blocks is fixed, the threaded end of regulating lever passes the screw at connecting rod middle part and is installed in the axial two ends of strip through-hole, and the other end of regulating lever extend in the central through bore of piston rod.
3. a kind of crack as claimed in claim 1 piston single outstretch pole magnetorheological damper, it is characterized in that: described piston and slip damping block adopt permeability magnetic material to constitute; Described clutch release slave cylinder is made of non-magnet_conductible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320021485 CN203130890U (en) | 2013-01-16 | 2013-01-16 | Fracture piston single rod magnetorheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320021485 CN203130890U (en) | 2013-01-16 | 2013-01-16 | Fracture piston single rod magnetorheological damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130890U true CN203130890U (en) | 2013-08-14 |
Family
ID=48938870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320021485 Expired - Fee Related CN203130890U (en) | 2013-01-16 | 2013-01-16 | Fracture piston single rod magnetorheological damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062275A (en) * | 2013-01-16 | 2013-04-24 | 谢宁 | Gapped magneto-rheological damper with single piston rod out |
| CN111398014A (en) * | 2020-03-30 | 2020-07-10 | 河海大学 | Correction method for shear-type fracture test of magnetic suspension soil body |
-
2013
- 2013-01-16 CN CN 201320021485 patent/CN203130890U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062275A (en) * | 2013-01-16 | 2013-04-24 | 谢宁 | Gapped magneto-rheological damper with single piston rod out |
| CN103062275B (en) * | 2013-01-16 | 2015-03-04 | 谢宁 | Gapped magneto-rheological damper with single piston rod out |
| CN111398014A (en) * | 2020-03-30 | 2020-07-10 | 河海大学 | Correction method for shear-type fracture test of magnetic suspension soil body |
| CN111398014B (en) * | 2020-03-30 | 2020-12-08 | 河海大学 | Correction method for shear-type fracture test of magnetic suspension soil body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203051609U (en) | Combined cylinder double-outlet-rod magneto-rheological damper | |
| CN203926577U (en) | Magnetorheological fluid shock absorber | |
| CN104595412B (en) | Double-barrel structure magneto-rheological vibration damper based on flow pattern | |
| CN105003589A (en) | Magnetorheological damper with built-in magnetorheological valve for damping performance control | |
| CN103032512B (en) | Combined piston double-rod magnetorheological damper | |
| CN203130890U (en) | Fracture piston single rod magnetorheological damper | |
| CN102364154B (en) | Passive damping adjustable magneto-rheological fluid shock absorber | |
| CN103062275B (en) | Gapped magneto-rheological damper with single piston rod out | |
| CN203051607U (en) | Fracture piston double-ejection-rod magnetorheological damper | |
| CN205118106U (en) | Magneto rheological damper with serial -type flow channel | |
| CN203130891U (en) | Combination cylinder single-output rod magneto-rheological damper | |
| CN103089904B (en) | Combined cylinder double rod-out magnetorheological damper | |
| CN203130889U (en) | Single-rod magnet-rheological damper of combined piston | |
| CN103062276B (en) | Gapped magneto-rheological damper with two piston rods out | |
| CN203130892U (en) | Gap-splitting cylinder single-rod-out magneto-rheological damper | |
| CN103557262A (en) | Damping self-adjustment shock absorber | |
| CN105179574A (en) | Single-rod multistage-piston active single-control variable-damping magneto-rheological damper | |
| CN203051610U (en) | Crack cylinder double-extending-rod magneto-rheological damper | |
| CN103089885A (en) | Combined cylinder single rod-out magnetorheological damper | |
| CN103032511B (en) | Combined piston single-rod magnetorheological damper | |
| CN103089905B (en) | Crack cylinder double-out rod magneto-rheological damper | |
| CN104033527A (en) | Gasbag-free single-rod magneto-rheological damper | |
| CN105156558A (en) | Self-adaptive magneto-rheological damper with single-rod variable cylinder body | |
| CN203051606U (en) | Combined-piston double-rod magneto-rheological damper | |
| CN105065528A (en) | Single-pole multi-grade piston adaptive magneto-rheological damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140116 |