CN204784405U - Magneto rheological damper with mixed flow formula flow channel - Google Patents
Magneto rheological damper with mixed flow formula flow channel Download PDFInfo
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- CN204784405U CN204784405U CN201520507625.7U CN201520507625U CN204784405U CN 204784405 U CN204784405 U CN 204784405U CN 201520507625 U CN201520507625 U CN 201520507625U CN 204784405 U CN204784405 U CN 204784405U
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Abstract
The utility model discloses a magneto rheological damper with mixed flow formula flow channel mainly comprises piston rod, attenuator end cover, sleeve, piston end cover, valve barrel, case, floating piston, excitation coil, location disc, magnetic conduction disc and lug etc.. Flow channel between left side magnetic conduction disc, valve barrel and the case constitutes the I th section and stage II effective damping clearance, flow channel between right side magnetic conduction disc and the case constitutes the III th section and the IV th section effective damping clearance, when for excitation coil when electrically conductive, the magnetic field that will produce a sizing in four sections effective damping clearances, the magnetorheological suspensions viscosity increase in the four sections damping clearances of flowing through, yield stress reinforcing to it forms the pressure differential to hold chamber I and hold the chamber at the attenuator between II. Exert the effective control that the big I of electric current realized the damping force through control. This magneto rheological damper damping force dynamic adjustment scope is big, simple structure and small, the damping antidetonation system of specially adapted railway, car, bridge isotructure.
Description
Technical field
The utility model relates to a kind of MR damper, particularly relates to a kind of MR damper with mixed flow dynamic formula liquid chunnel.
Background technique
MR damper is a kind of Novel intelligent damper part be widely used in semi-active control aystem.It is mainly by applying a certain size electric current to the drive coil in damper piston winding slot, produce magnetic field and the yield strength of the magnetic flow liquid flowed through in liquid chunnel is changed, thus dynamically changes output damping force.
The feature that the Millisecond speed of response that MR damper has, large control range and large damping force export, makes it become half outstanding active actuators part of industrial application.At present, MR damper obtains extensive use in vibration damping of the vibration damping vibration prevention system of building and bridge, rail vehicles and automobile suspension system etc.
In vibration control system, MR damper is mainly used to the vibration that control system device produces, and meets the requirement of all kinds of machinery to various operating mode.Therefore the performance of MR damper directly has influence on static and dynamic performance and the functional reliability of various system, is the core cell in vibration insulating system.Along with the development of new and high technology, the requirement of engineer applied to damping element of vibration insulating system is more and more higher, existing MR damper great majority are all the shearing-type damping devices of single channel, the liquid flowing resistance passage of magnetic flow liquid is mainly arranged on coil inside and between coil and sleeve, need to ensure that flowing to of magnetic direction and magnetic flow liquid is perpendicular, otherwise just can not reach optimum efficiency; Under this prerequisite, the area of liquid flowing resistance passage also will be made large as far as possible, and to obtain enough damping forces, therefore its volume is general larger, and damping force adjustable extent is narrow.
During MR damper structural design, the flow direction of magnetic flow liquid in effective damping gap first should be made mutually vertical with magnetic direction; Next is that the liquid chunnel making magnetic flow liquid in MR damper inside as far as possible lengthens.What MR damper designed at present adopted mostly is single circular ring type liquid flow damping passage, and is the adjustable extent being improved MR damper damping force by following two kinds of methods.One is under identical input current, improves the magnetic induction intensity in effective damping gap as far as possible in magnetic flow liquid saturation range.Conventional method is the damping clearance width reducing MR damper, but is long placed in not with when again enabling due to magnetic flow liquid, easily occurs particle precipitation thus blocks damping clearance, causing MR damper to lose efficacy.Second is exactly improve effective damping gap length, but significantly can increase the volume of MR damper like this, and take more installation and usage space, manufacture cost is corresponding increase also.
Based on this, in actual design process, want to increase the magnetic induction intensity in effective damping gap simultaneously and improve the length in effective damping gap more difficult.Therefore, design a kind of stable performance and the MR damper of structure relative compact, the damping force that MR damper is exported is larger, damping force control range is wider, and being the problem that the industry needs solution badly, is also the prerequisite widening MR damper commercial Application further.
Summary of the invention
In order to overcome in background technique Problems existing and meet MR damper actual operation requirements, the utility model proposes a kind of MR damper with mixed flow dynamic formula liquid chunnel.The liquid chunnel of this MR damper is made up of the mixed flow dynamic formula liquid chunnel in combined piston, under the magnetic fields that field coil produces, the liquid chunnel between left magnetic conduction disk, valve pocket and spool forms the Ith section of axial flow dynamic formula damping clearance and the IIth section of radial flow dynamic formula damping clearance; Liquid chunnel between right magnetic conduction disk and spool forms the IIIth section of radial flow dynamic formula damping clearance and the IVth section of axial flow dynamic formula damping clearance; When passing into electric current to field coil, will produce a certain size magnetic field in four sections of effective damping gaps, the magnetic flow liquid viscosity flowing through four sections of damping clearances increases, and yield stress strengthens, thus mineralization pressure is poor between MR damper cavity volume I and cavity volume II.By controlling to apply effective control that size of current can realize damping force.This structural design make use of the trend of the magnetic line of force fully, under the prerequisite not reducing damping clearance width, increase effective damping length and shearing area, ensure that damper can export enough large damping force, can not result in blockage because damping clearance is too narrow simultaneously.The damping force dynamic adjustments scope of this MR damper is large, structure simple and volume is little, is specially adapted to railway, automobile, the isostructural vibration damping vibration prevention system of bridge.
The utility model solves the technological scheme that its technical problem adopts and comprises: piston rod (1), damper left end cap (2), seal ring I (3), sleeve (4), piston left end cap (5), screw I (6), seal ring II (7), seal ring III (8), valve pocket (9), seal ring IV (10), spool (11), screw II (12), piston right end cap (13), seal ring V (14), right hanger (15), damper right end cap (16), screw III (17), floating piston (18), seal ring VI (19), seal ring VII (20), slotted countersunk flat head screw I (21), right magnetic conduction disk (22), pad I (23), field coil (24), positioning disc (25), pad II (26), slotted countersunk flat head screw II (27), left magnetic conduction disk (28), screw IV (29), seal ring VIII (30), fairlead (31) and left hanger (32), piston rod (1) left end is connected by screw threads for fastening with left hanger (32), manhole is provided with in the middle of damper left end cap (2), piston rod (1) coordinates with damper left end cap (2) manhole internal surface gaps, and piston rod (1) is sealed by seal ring VIII (30) with damper left end cap (2) manhole internal surface, piston rod (1) right-hand member is processed with outside thread, and be processed with tapped through hole in the middle of piston left end cap (5), piston rod (1) right-hand member is connected by screw threads for fastening with piston left end cap (5), damper left end cap (2) is fixedly connected with by screw IV (29) with sleeve (4), sealed by seal ring I (3) between damper left end cap (2) and sleeve (4), piston left end cap (5) right side contacts with valve pocket (9) left side, and piston left end cap (5) is fixedly connected with by screw I (6) with valve pocket (9), sealed by seal ring II (7) between piston left end cap (5) and valve pocket (9), valve pocket (9) outer surface coordinates with sleeve (4) internal surface gaps, and valve pocket (9) and sleeve (4) are sealed by seal ring IV (10), be furnished with pad II (26) between left magnetic conduction disk (28) and positioning disc (25), the width of pad II (26) is 1.0mm, left magnetic conduction disk (28), pad II (26) and positioning disc (25) are fixedly connected with by slotted countersunk flat head screw II (27), leave the radial clearance passed through for magnetic flow liquid between left magnetic conduction disk (28) radial peripheral surface and valve pocket (9) internal surface, radial gap width is 1.0mm, positioning disc (25) is processed with internal thread through hole, and spool (11) left end is processed with outside thread, and positioning disc (25) is fixedly connected with by screw thread with spool (11), the groove surrounded between positioning disc (25) and spool (11) forms winding slot, and field coil (24) is wrapped in winding slot, two of field coil (24) lead-in wires are drawn by the fairlead in valve pocket (9) and the corresponding fairlead of piston left end cap (5), and draw outside damper through fairlead (31), positioning disc (25) coordinates with valve pocket (9) radial clearance, is sealed between positioning disc (25) and valve pocket (9) by seal ring III (8), be furnished with pad I (23) between right magnetic conduction disk (22) and spool (11) right side, pad I (23) width is 1.0mm, right magnetic conduction disk (22), pad I (23) and spool (11) right side are fixedly connected with by slotted countersunk flat head screw I (21), leave the radial clearance passed through for magnetic flow liquid between right magnetic conduction disk (22) radial peripheral surface and spool (11) right side internal surface, radial gap width is 1.0mm, piston right end cap (13) left side contacts with spool (11) its right end face, and piston right end cap (13) radial end face and sleeve (4) internal surface gaps coordinate, sealed by seal ring VII (20) between piston right end cap (13) and spool (11), piston right end cap (13), spool (11) are fixedly connected with by screw II (12) with valve pocket (9), floating piston (18) outer surface coordinates with sleeve (4) internal surface gaps, and floating piston (18) and sleeve (4) are sealed by seal ring VI (19), damper right end cap (16) and sleeve (4) right side Spielpassung, damper right end cap (16) is fixedly connected with by screw III (17) with sleeve (4), damper right end cap (16) and sleeve (4) are sealed by seal ring V (14), damper right end cap (16) right-hand member is fixedly connected with by screw thread with right hanger (15).
Closed cavity volume I is surrounded between damper left end cap (2), sleeve (4) and piston left end cap (5); Closed cavity volume II is surrounded between piston right end cap (13), sleeve (4) and floating piston (18); Closed cavity volume III is surrounded between floating piston (18), sleeve (4) and damper right end cap (16); Close in cavity volume I and II and fill magnetic flow liquid; Close in cavity volume III and fill pressurized gas; When piston rod (1) in axial direction under tension or compression motion, can there is respective change in the volume closing cavity volume I and II, now floating piston (18) can be floated by the left and right of axial direction and realize volume compensation.
Combined piston (33) is by piston left end cap (5), screw I (6), seal ring II (7), seal ring III (8), valve pocket (9), spool (11), screw II (12), piston right end cap (13), seal ring VII (20), slotted countersunk flat head screw I (21), right magnetic conduction disk (22), pad I (23), field coil (24), positioning disc (25), pad II (26), slotted countersunk flat head screw II (27) and left magnetic conduction disk (28) composition, through hole A, B, C, D formation liquid chunnel (34) that in the middle of piston left end cap (5), 4 circumferences are evenly arranged, liquid chunnel (35) is formed between piston left end cap (5) right side and left magnetic conduction disk (28) left side, liquid chunnel (36) is formed between left magnetic conduction disk (28) radial peripheral surface and valve pocket (9) internal surface, liquid chunnel (37) is formed between left magnetic conduction disk (28) right side and spool (11) left side and positioning disc (25) left side, in the middle of spool (11), manhole E forms liquid chunnel (38), liquid chunnel (39) is formed between spool (11) right side and right magnetic conduction disk (22) left side, liquid chunnel (40) is formed between right magnetic conduction disk (22) radial peripheral surface and spool (11) right side internal surface, liquid chunnel (41) is formed between right magnetic conduction disk (22) right side and piston right end cap (13) left side, through hole F, G, H, I that middle 4 circumferences of piston right end cap (13) are evenly arranged become liquid chunnel (42) with intermediate throughholes J-shaped, mixed flow dynamic formula liquid chunnel is made up of liquid chunnel (34), liquid chunnel (35), liquid chunnel (36), liquid chunnel (37), liquid chunnel (38), liquid chunnel (39), liquid chunnel (40), liquid chunnel (41) and liquid chunnel (42), under the prerequisite not changing damper monnolithic case size, this mixed flow dynamic formula liquid chunnel effectively can increase magnetorheological effective damping length, when piston rod (1) Tensile, the mixed flow dynamic formula liquid chunnel of the magnetic flow liquid in cavity volume I in combined piston (33) enters cavity volume II, when piston rod (1) by compression time, the mixed flow dynamic formula liquid chunnel of the magnetic flow liquid in cavity volume II in combined piston (33) enters cavity volume I.
Left magnetic conduction disk (28), right magnetic conduction disk (22), valve pocket (9) and spool (11) are made up of low carbon steel permeability magnetic material; Remaining parts is made by non-magnet_conductible material.
Liquid chunnel between left magnetic conduction disk (28), valve pocket (9) and spool (11) forms the Ith section of axial flow dynamic formula damping clearance and the IIth section of radial flow dynamic formula damping clearance; Liquid chunnel between right magnetic conduction disk (22) and spool (11) forms the IIIth section of radial flow dynamic formula damping clearance and the IVth section of axial flow dynamic formula damping clearance; The width in four sections of effective damping gaps is 1.0mm; When passing into a certain size electric current to field coil (24), a certain size magnetic field will be produced in four sections of effective damping gaps, and the magnetic line of force passes perpendicularly through this four sections of effective damping gaps, the magnetic flow liquid viscosity flowing through four sections of damping clearances is increased, yield stress strengthens, thus mineralization pressure is poor between the cavity volume I and the cavity volume II of piston right end cap (13) right-hand member of piston left end cap (5) left end, by changing the size applying electric current, effective control of MR damper damping force can be realized.
The utility model is compared with background technique, and the beneficial effect had is:
(1) liquid chunnel of the utility model MR damper is made up of the mixed flow dynamic formula liquid chunnel in combined piston.Under the magnetic fields that field coil produces, the liquid chunnel between left magnetic conduction disk, valve pocket and spool forms the Ith section of axial flow dynamic formula damping clearance and the IIth section of radial flow dynamic formula damping clearance; Liquid chunnel between right magnetic conduction disk and spool forms the IIIth section of radial flow dynamic formula damping clearance and the IVth section of axial flow dynamic formula damping clearance; When passing into electric current to field coil, will produce a certain size magnetic field in four sections of effective damping gaps, the magnetic flow liquid viscosity flowing through four sections of damping clearances increases, and yield stress strengthens, thus mineralization pressure is poor between damper cavity volume I and cavity volume II.By controlling to apply effective control that size of current can realize damping force.This structural design make use of the trend of the magnetic line of force fully, under the prerequisite not reducing damping clearance width, increase effective damping length and shearing area, ensure that MR damper can export enough large damping force, can not result in blockage because damping clearance is too narrow simultaneously.
(2) compared with the MR damper of liquid chunnel single with tradition, this MR damper adopts mixed flow dynamic formula liquid chunnel, under the prerequisite not increasing MR damper outside dimensions, adopt less field current just exportable larger controllable damping force, damping force dynamic adjustments scope is wider simultaneously, is specially adapted to railway, automobile, the isostructural vibration damping vibration prevention system of bridge.
(3) the utility model MR damper part used is except left magnetic conduction disk, right magnetic conduction disk, valve pocket and spool are made up of low carbon steel permeability magnetic material, and remaining parts is made by non-magnet_conductible material.This design can effectively ensure the magnetic line of force as far as possible integrated distribution in four sections of effective damping gaps, give full play to the effect of vertical magnetic field to magnetic flow liquid, improve the efficiency of MR damper, and effectively reduce the energy consumption of MR damper.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is mixed flow dynamic formula liquid flowing channel structure schematic diagram in the utility model combined piston.
When Fig. 3 is the utility model Tensile, magnetic flow liquid flows through mixed flow formula liquid chunnel schematic diagram.
Fig. 4 is the distribution of the utility model combined piston magnetic line of force and damping clearance distribution schematic diagram.
Fig. 5 is the utility model piston left end cap left view.
Fig. 6 is the utility model piston right end cap right elevation.
Fig. 7 is the utility model spool right elevation.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises: piston rod 1, damper left end cap 2, seal ring I 3, sleeve 4, piston left end cap 5, screw I 6, seal ring II 7, seal ring III 8, valve pocket 9, seal ring IV 10, spool 11, screw II 12, piston right end cap 13, seal ring V 14, right hanger 15, damper right end cap 16, screw III 17, floating piston 18, seal ring VI 19, seal ring VII 20, slotted countersunk flat head screw I 21, right magnetic conduction disk 22, pad I 23, field coil 24, positioning disc 25, pad II 26, slotted countersunk flat head screw II 27, left magnetic conduction disk 28, screw IV 29, seal ring VIII 30, fairlead 31 and left hanger 32.
Fig. 2 is mixed flow dynamic formula liquid flowing channel structure schematic diagram in the utility model combined piston.Wherein, 33 is combined piston; Through hole A, B, C, D formation liquid chunnel 34 that in the middle of piston left end cap 5,4 circumferences are evenly arranged; Liquid chunnel 35 is formed between piston left end cap 5 right side and left magnetic conduction disk 28 left side; Liquid chunnel 36 is formed between left magnetic conduction disk 28 radial peripheral surface and valve pocket 9 internal surface; Liquid chunnel 37 is formed between left magnetic conduction disk 28 right side and spool 11 left side and positioning disc 25 left side; The middle manhole E of spool 11 forms liquid chunnel 38; Liquid chunnel 39 is formed between spool 11 right side and right magnetic conduction disk 22 left side; Liquid chunnel 40 is formed between internal surface on the right side of right magnetic conduction disk 22 radial peripheral surface and spool 11; Liquid chunnel 41 is formed between right magnetic conduction disk 22 right side and piston right end cap 13 left side; Through hole F, G, H, I that middle 4 circumferences of piston right end cap 13 are evenly arranged become liquid chunnel 42 with intermediate throughholes J-shaped; Mixed flow dynamic formula liquid chunnel is made up of liquid chunnel 34, liquid chunnel 35, liquid chunnel 36, liquid chunnel 37, liquid chunnel 38, liquid chunnel 39, liquid chunnel 40, liquid chunnel 41 and liquid chunnel 42.Under the prerequisite not changing damper monnolithic case size, this mixed flow dynamic formula liquid chunnel effectively can increase magnetorheological effective damping length.
When Fig. 3 is the utility model Tensile, magnetic flow liquid flows through mixed flow formula liquid chunnel schematic diagram.When piston rod 1 tension, the mixed flow dynamic formula liquid chunnel of the magnetic flow liquid in MR damper cavity volume I in combined piston 33 enters cavity volume II.
Fig. 4 is the distribution of the utility model combined piston magnetic line of force and damping clearance distribution schematic diagram.Liquid chunnel between left magnetic conduction disk 28, valve pocket 9 and spool 11 forms the Ith section of axial flow dynamic formula damping clearance and the IIth section of radial flow dynamic formula damping clearance; Liquid chunnel between right magnetic conduction disk 22 and spool 11 forms the IIIth section of radial flow dynamic formula damping clearance and the IVth section of axial flow dynamic formula damping clearance; The width in four sections of effective damping gaps is 1.0mm.
Fig. 5 is the utility model piston left end cap left view, and through hole A, B, C, D that middle 4 circumferences are evenly arranged form liquid chunnel 34.
Fig. 6 is the utility model piston right end cap right elevation, and through hole F, G, H, I that middle 4 circumferences are evenly arranged become liquid chunnel 42 with intermediate throughholes J-shaped.
Fig. 7 is the utility model spool right elevation, and middle manhole E forms liquid chunnel 38.
Utility model works principle is as follows:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, when passing into a certain size electric current to field coil 24, due to magnetic fields, its viscosity of magnetic flow liquid in four sections of effective damping gaps in mixed flow dynamic formula liquid chunnel can increase, and yield stress strengthens.Magnetic flow liquid flows through this four sections of effective damping gaps, just must overcome the intermolecular power of this catenation, thus the resistance causing magnetic flow liquid to flow through valve increases, and can slow down or stop the flowing of liquid, and makes combined piston 33 two ends produce pressure difference.By regulating size of current in field coil 24, the yield stress of magnetic flow liquid can be changed, to reach required output damping force.
Claims (3)
1. there is a MR damper for mixed flow dynamic formula liquid chunnel, it is characterized in that comprising: piston rod (1), damper left end cap (2), seal ring I (3), sleeve (4), piston left end cap (5), screw I (6), seal ring II (7), seal ring III (8), valve pocket (9), seal ring IV (10), spool (11), screw II (12), piston right end cap (13), seal ring V (14), right hanger (15), damper right end cap (16), screw III (17), floating piston (18), seal ring VI (19), seal ring VII (20), slotted countersunk flat head screw I (21), right magnetic conduction disk (22), pad I (23), field coil (24), positioning disc (25), pad II (26), slotted countersunk flat head screw II (27), left magnetic conduction disk (28), screw IV (29), seal ring VIII (30), fairlead (31) and left hanger (32), piston rod (1) left end is connected by screw threads for fastening with left hanger (32), manhole is provided with in the middle of damper left end cap (2), piston rod (1) coordinates with damper left end cap (2) manhole internal surface gaps, and piston rod (1) is sealed by seal ring VIII (30) with damper left end cap (2) manhole internal surface, piston rod (1) right-hand member is processed with outside thread, and be processed with tapped through hole in the middle of piston left end cap (5), piston rod (1) right-hand member is connected by screw threads for fastening with piston left end cap (5), damper left end cap (2) is fixedly connected with by screw IV (29) with sleeve (4), sealed by seal ring I (3) between damper left end cap (2) and sleeve (4), piston left end cap (5) right side contacts with valve pocket (9) left side, and piston left end cap (5) is fixedly connected with by screw I (6) with valve pocket (9), sealed by seal ring II (7) between piston left end cap (5) and valve pocket (9), valve pocket (9) outer surface coordinates with sleeve (4) internal surface gaps, and valve pocket (9) and sleeve (4) are sealed by seal ring IV (10), be furnished with pad II (26) between left magnetic conduction disk (28) and positioning disc (25), the width of pad II (26) is 1.0mm, left magnetic conduction disk (28), pad II (26) and positioning disc (25) are fixedly connected with by slotted countersunk flat head screw II (27), leave the radial clearance passed through for magnetic flow liquid between left magnetic conduction disk (28) radial peripheral surface and valve pocket (9) internal surface, radial gap width is 1.0mm, positioning disc (25) is processed with internal thread through hole, and spool (11) left end is processed with outside thread, and positioning disc (25) is fixedly connected with by screw thread with spool (11), the groove surrounded between positioning disc (25) and spool (11) forms winding slot, and field coil (24) is wrapped in winding slot, two of field coil (24) lead-in wires are drawn by the fairlead in valve pocket (9) and the corresponding fairlead of piston left end cap (5), and draw outside damper through fairlead (31), positioning disc (25) coordinates with valve pocket (9) radial clearance, is sealed between positioning disc (25) and valve pocket (9) by seal ring III (8), be furnished with pad I (23) between right magnetic conduction disk (22) and spool (11) right side, pad I (23) width is 1.0mm, right magnetic conduction disk (22), pad I (23) and spool (11) right side are fixedly connected with by slotted countersunk flat head screw I (21), leave the radial clearance passed through for magnetic flow liquid between right magnetic conduction disk (22) radial peripheral surface and spool (11) right side internal surface, radial gap width is 1.0mm, piston right end cap (13) left side contacts with spool (11) its right end face, and piston right end cap (13) radial end face and sleeve (4) internal surface gaps coordinate, sealed by seal ring VII (20) between piston right end cap (13) and spool (11), piston right end cap (13), spool (11) are fixedly connected with by screw II (12) with valve pocket (9), floating piston (18) outer surface coordinates with sleeve (4) internal surface gaps, and floating piston (18) and sleeve (4) are sealed by seal ring VI (19), damper right end cap (16) and sleeve (4) right side Spielpassung, damper right end cap (16) is fixedly connected with by screw III (17) with sleeve (4), damper right end cap (16) and sleeve (4) are sealed by seal ring V (14), damper right end cap (16) right-hand member is fixedly connected with by screw thread with right hanger (15).
2. a kind of MR damper with mixed flow dynamic formula liquid chunnel according to claim 1, is characterized in that: surround closed cavity volume I between damper left end cap (2), sleeve (4) and piston left end cap (5); Closed cavity volume II is surrounded between piston right end cap (13), sleeve (4) and floating piston (18); Closed cavity volume III is surrounded between floating piston (18), sleeve (4) and damper right end cap (16); Close in cavity volume I and II and fill magnetic flow liquid; Close in cavity volume III and fill pressurized gas.
3. a kind of MR damper with mixed flow dynamic formula liquid chunnel according to claim 1, it is characterized in that: combined piston (33) is by piston left end cap (5), screw I (6), seal ring II (7), seal ring III (8), valve pocket (9), spool (11), screw II (12), piston right end cap (13), seal ring VII (20), slotted countersunk flat head screw I (21), right magnetic conduction disk (22), pad I (23), field coil (24), positioning disc (25), pad II (26), slotted countersunk flat head screw II (27) and left magnetic conduction disk (28) composition, through hole A, B, C, D formation liquid chunnel (34) that in the middle of piston left end cap (5), 4 circumferences are evenly arranged, liquid chunnel (35) is formed between piston left end cap (5) right side and left magnetic conduction disk (28) left side, liquid chunnel (36) is formed between left magnetic conduction disk (28) radial peripheral surface and valve pocket (9) internal surface, liquid chunnel (37) is formed between left magnetic conduction disk (28) right side and spool (11) left side and positioning disc (25) left side, in the middle of spool (11), manhole E forms liquid chunnel (38), liquid chunnel (39) is formed between spool (11) right side and right magnetic conduction disk (22) left side, liquid chunnel (40) is formed between right magnetic conduction disk (22) radial peripheral surface and spool (11) right side internal surface, liquid chunnel (41) is formed between right magnetic conduction disk (22) right side and piston right end cap (13) left side, through hole F, G, H, I that middle 4 circumferences of piston right end cap (13) are evenly arranged become liquid chunnel (42) with intermediate throughholes J-shaped, mixed flow dynamic formula liquid chunnel is made up of liquid chunnel (34), liquid chunnel (35), liquid chunnel (36), liquid chunnel (37), liquid chunnel (38), liquid chunnel (39), liquid chunnel (40), liquid chunnel (41) and liquid chunnel (42).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520507625.7U CN204784405U (en) | 2015-07-14 | 2015-07-14 | Magneto rheological damper with mixed flow formula flow channel |
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| CN201520507625.7U CN204784405U (en) | 2015-07-14 | 2015-07-14 | Magneto rheological damper with mixed flow formula flow channel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963986A (en) * | 2015-07-14 | 2015-10-07 | 华东交通大学 | Magneto-rheological damper with mixed flow type fluid flowing channel |
| CN105508486A (en) * | 2016-01-15 | 2016-04-20 | 李长鸿 | Permanent magnet high pressure nitrogen spring |
| CN106907422A (en) * | 2015-12-23 | 2017-06-30 | 上海汽车集团股份有限公司 | Electrorheological fluid vibration damper and its control method, control unit, ECU and automobile |
| CN108105318A (en) * | 2017-12-22 | 2018-06-01 | 南阳淅减汽车减振器有限公司 | A kind of multistage radial direction magneto-rheological vibration damper |
| CN112747074A (en) * | 2020-12-28 | 2021-05-04 | 武汉理工大学 | Novel magneto-rheological damper and vehicle ride comfort control method |
| CN113027978A (en) * | 2021-04-30 | 2021-06-25 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
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2015
- 2015-07-14 CN CN201520507625.7U patent/CN204784405U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963986A (en) * | 2015-07-14 | 2015-10-07 | 华东交通大学 | Magneto-rheological damper with mixed flow type fluid flowing channel |
| CN106907422A (en) * | 2015-12-23 | 2017-06-30 | 上海汽车集团股份有限公司 | Electrorheological fluid vibration damper and its control method, control unit, ECU and automobile |
| CN106907422B (en) * | 2015-12-23 | 2019-04-19 | 上海汽车集团股份有限公司 | Electrorheological fluid vibration damper and its control method, control unit, ECU and automobile |
| CN105508486A (en) * | 2016-01-15 | 2016-04-20 | 李长鸿 | Permanent magnet high pressure nitrogen spring |
| CN108105318A (en) * | 2017-12-22 | 2018-06-01 | 南阳淅减汽车减振器有限公司 | A kind of multistage radial direction magneto-rheological vibration damper |
| CN112747074A (en) * | 2020-12-28 | 2021-05-04 | 武汉理工大学 | Novel magneto-rheological damper and vehicle ride comfort control method |
| CN113027978A (en) * | 2021-04-30 | 2021-06-25 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
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| 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: 20151118 Termination date: 20170714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |