CN206668852U - Biliquid circulation road Novel magneto-rheological damper - Google Patents
Biliquid circulation road Novel magneto-rheological damper Download PDFInfo
- Publication number
- CN206668852U CN206668852U CN201720452513.5U CN201720452513U CN206668852U CN 206668852 U CN206668852 U CN 206668852U CN 201720452513 U CN201720452513 U CN 201720452513U CN 206668852 U CN206668852 U CN 206668852U
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- China
- Prior art keywords
- piston head
- end cap
- ring
- damper
- piston
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Abstract
The utility model discloses a kind of biliquid circulation road Novel magneto-rheological damper, is mainly made up of piston rod, damper cylinder body, piston head, piston head end cap, ferromagnetic flux ring, non-magnetic ring and magnet exciting coil etc..Biliquid circulation road Novel magneto-rheological damper non-magnetic ring is inserted between the ferromagnetic flux ring of left and right, and non-magnetic ring has multiple protruding members, and extends between ring-shaped component and damper cylinder body, piston head, reaches the purpose for being directed at piston head with damper cylinder body；Ring-shaped component forms two annular fluid courses between damper cylinder body, piston head respectively, increases the magnetic flow liquid section of shear, and then provide more preferable damping；The utility model effectively reduces piston component quantity, and integrated cost is low, is used particularly suitable for machinery industry vibration damping.
Description
Technical field
It the utility model is related to a kind of MR damper, more particularly to a kind of damping of biliquid circulation road New Magnetic Field Controlled rheology
Device.
Background technology
MR damper is a kind of Novel intelligent damper part being widely used in semi-active control aystem.Its millisecond
The characteristics of level response speed, big control range and big damping force export, makes it half outstanding active of industrial application and holds
Row device.MR damper is in building and vibration damping vibration prevention system, rail vehicles and the automotive suspension of bridge at present
System vibration damping etc. obtains extensive use.
MR damper is mainly used to vibrate caused by control system device, does not meet various kinds of equipment to different operating modes and not
With the requirement under environment.Therefore the performance of MR damper directly influences the static and dynamic performance and work of various systems
Make reliability, be the core cell in vibration insulating system.
The alignment of piston head and damper cylinder body is most important for realizing for optimum performance.Ideally, piston group
Part should be moved freely in damper without with damper inner surface of cylinder block friction.In addition, the radial width of annular channel and same
Heart degree must keep accurate along passage axial length in the course of the work, to ensure to carry out Optimal Control to damping capacity.
Traditional MR damper has proposed attachment element to provide the alignment of piston head and damper cylinder body.Especially
Ground, perforation end plate is aligned in the left and right of piston head, but there is also some problems.First, attachment element adds piston
The length of component.The effective impulse stroke of damper is caused to shorten；Second, attachment element needs strict manufacturing tolerance, to incite somebody to action
The alignment of piston head and damper cylinder body；3rd, this attachment element generally includes to increase the tab of resistance when the piston is moving
Or other projections；4th, attachment element has many parts, and needs the operation such as spot welding, cause manufacturing cost high and
It is time-consuming.Therefore, there is an urgent need to a kind of modified piston component suitable for MR damper.
The content of the invention
In order to solve the problems existing in background technology, the utility model provides a kind of biliquid circulation road New Magnetic Field Controlled rheology
Damper, piston component are arranged to the ring-shaped component moved back and forth in damper cylinder body, and it is ferromagnetic that non-magnetic ring is placed on left and right
Between flux ring；Non magnetic annular spacer has multiple protruding members, and ring-shaped component and damper cylinder body, piston head it
Between extend, so as to which piston head is aligned with damper cylinder body；Ring-shaped component forms two between damper cylinder body, piston head respectively
Individual annular flow path passage, the section of shear is increased, and then more preferable damping is provided.The utility model effectively reduces
The number of parts of piston component；Manufacturing cost is low, and facilitates piston component assembling.
Technical scheme includes used by the utility model solves its technical problem：Left hanger (1), piston rod (2), left end
Cover (3), damper cylinder body (4), piston head left end cap (5), left ferromagnetic flux ring (6), non-magnetic ring (7), piston head (8), the right side
Ferromagnetic flux ring (9), piston head right end cap (10), right end cap (11), right hanger (12), counterbalance spring (13), floating piston
(14), right compression spring (15), magnet exciting coil (16) and left compression spring (17)；The left end and right-hand member of piston rod (2) add respectively
Work has external screw thread, and piston rod (2) left end is threadably secured with left hanger (1) and is connected；Piston rod (2) right-hand member respectively with piston head
Left end cap (5) and piston head (8) are threadably secured connection；Left end cap (3) is fixed with damper cylinder body (4) by screw to be connected
Connect, and sealed by sealing ring；Non-magnetic ring (7) left and right end is machined with annular groove respectively；Left ferromagnetic flux ring (6)
Right-hand member lip and non-magnetic ring (7) left end annular groove interference fits；Right ferromagnetic flux ring (9) left end lip and non-magnetic ring (7)
Right-hand member annular groove interference fits；Right compression spring (15) is arranged in non-magnetic ring (7) right-hand member annular groove, left compression spring (17)
It is arranged in non-magnetic ring (7) right-hand member annular groove；Left ferromagnetic flux ring (6) is axially pre-stressed to piston head by left compression spring (17)
Left end cap (5) right side；Right ferromagnetic flux ring (9) is axially pre-stressed to piston head right end cap (10) left end by right compression spring (15)
Face；Piston head right end cap (10) is fastenedly connected with piston head (8) by screw；Between floating piston (14) and damper cylinder body (4)
Gap coordinates, and is sealed by sealing ring；Circular counter bore, counterbalance spring are machined among damper right end cap (11) left end
(13) right-hand member coordinates with damper right end cap (11) circular counter bore gap, counterbalance spring (13) left end and floating piston (14) right-hand member
Face contacts；Right end cap (11) is fixedly connected with damper cylinder body (4) by screw, and is sealed by sealing ring；Right end cap
(11) right-hand member is machined with external screw thread, and right end cap (11) is threadably secured with right hanger (12) and is connected.
The utility model has an advantageous effect in that compared with background technology：
(1) non-magnetic ring of biliquid circulation road Novel magneto-rheological damper has multiple protruding members, in ring-shaped component, resistance
Extend between Buddhist nun's device cylinder body and piston head, piston head be aligned with damper cylinder body, and respectively with damper cylinder body, piston head
Between formed two annular flow channels.
(2) in the case where physical dimension does not increase, biliquid circulation road effectively increases relaxation length, so as to increase resistance
Buddhist nun's power adjustable extent.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model A-A sectional views.
Fig. 3 is the utility model non-magnetic ring side view.
Fig. 4 is B-B sectional views in Fig. 2.
Fig. 5 is C-C sectional views in Fig. 2.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in figure 1, the utility model include left hanger (1), piston rod (2), left end cap (3), damper cylinder body (4),
Piston head left end cap (5), left ferromagnetic flux ring (6), non-magnetic ring (7), piston head (8), right ferromagnetic flux ring (9), piston head
Right end cap (10), right end cap (11), right hanger (12), built-in spring (13), floating piston (14), right compression spring (15),
Magnet exciting coil (16), left compression spring (17)；Non-magnetic ring (7) is arranged on left ferromagnetic flux ring (6) and right ferromagnetic flux ring (9)
Between, non-magnetic ring (7) is longitudinally oriented and separated left ferromagnetic flux ring (6) and right ferromagnetic flux ring (9)；Non-magnetic ring (7)
It is constant and uniform for making piston head (8) be aligned with damper cylinder body (4) and there is this concentric alignment offer outflow path
Width, concentric outer flow path provides extra shear surface to increase damping capacity.
Fig. 2 show sectional view at the utility model A-A, and piston head right end cap (10) is machined with four and is arranged circumferentially
Waist through hole.
Fig. 3 is the utility model non-magnetic ring side view, and non magnetic annular spacer has 8 protruding members, and in ring
Extend between shape component and damper cylinder body, piston head, so as to which piston head is aligned with damper cylinder body.
Fig. 4 is B-B sectional views in Fig. 2, and this sectional view represents the region of the protruding member of no non-magnetic ring (7).
Fig. 5 is C-C sectional views in Fig. 2, and this sectional view, which represents magnetic flow liquid, can flow through the four of piston head right end cap (10)
The region of the individual waist through hole being arranged circumferentially and protruding member without non-magnetic ring (7), is Dual-flow passage area.
Utility model works principle is as follows：
As illustrated, when being passed through a certain size electric current to magnet exciting coil, because biliquid circulation road adds effective resistance
The Ni Jianxitongdaochu section of shear so that the magnetic line of force active area increase at this, and the utilization ratio in magnetic field is also corresponding
Increase so that yield stress also increases therewith, so as to form pressure differential between cavity volume is closed.Multiple prominent structures of non-magnetic ring
Part extends between ring-shaped component and damper cylinder body, piston head, piston head is aligned with damper cylinder body so that concentricity carries
It is high.By adjusting size of current in magnet exciting coil, the yield stress of magnetic flow liquid at damping clearance can be changed, reach it is required can
Control output damping force.
Claims (1)
- A kind of 1. biliquid circulation road Novel magneto-rheological damper, it is characterised in that including：Left hanger (1), piston rod (2), left end Cover (3), damper cylinder body (4), piston head left end cap (5), left ferromagnetic flux ring (6), non-magnetic ring (7), piston head (8), the right side Ferromagnetic flux ring (9), piston head right end cap (10), right end cap (11), right hanger (12), counterbalance spring (13), floating piston (14), right compression spring (15), magnet exciting coil (16) and left compression spring (17)；The left end and right-hand member of piston rod (2) add respectively Work has external screw thread, and piston rod (2) left end is threadably secured with left hanger (1) and is connected；Piston rod (2) right-hand member respectively with piston head Left end cap (5) and piston head (8) are threadably secured connection；Left end cap (3) is fixed with damper cylinder body (4) by screw to be connected Connect, and sealed by sealing ring；Non-magnetic ring (7) left and right end is machined with annular groove respectively；Left ferromagnetic flux ring (6) Right-hand member lip and non-magnetic ring (7) left end annular groove interference fits；Right ferromagnetic flux ring (9) left end lip and non-magnetic ring (7) Right-hand member annular groove interference fits；Right compression spring (15) is arranged in non-magnetic ring (7) right-hand member annular groove, left compression spring (17) It is arranged in non-magnetic ring (7) right-hand member annular groove；Left ferromagnetic flux ring (6) is axially pre-stressed to piston head by left compression spring (17) Left end cap (5) right side；Right ferromagnetic flux ring (9) is axially pre-stressed to piston head right end cap (10) left end by right compression spring (15) Face；Piston head right end cap (10) is fastenedly connected with piston head (8) by screw；Between floating piston (14) and damper cylinder body (4) Gap coordinates, and is sealed by sealing ring；Circular counter bore, counterbalance spring are machined among damper right end cap (11) left end (13) right-hand member coordinates with damper right end cap (11) circular counter bore gap, counterbalance spring (13) left end and floating piston (14) right-hand member Face contacts；Right end cap (11) is fixedly connected with damper cylinder body (4) by screw, and is sealed by sealing ring；Right end cap (11) right-hand member is machined with external screw thread, and right end cap (11) is threadably secured with right hanger (12) and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452513.5U CN206668852U (en) | 2017-04-27 | 2017-04-27 | Biliquid circulation road Novel magneto-rheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452513.5U CN206668852U (en) | 2017-04-27 | 2017-04-27 | Biliquid circulation road Novel magneto-rheological damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668852U true CN206668852U (en) | 2017-11-24 |
Family
ID=60371292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720452513.5U Expired - Fee Related CN206668852U (en) | 2017-04-27 | 2017-04-27 | Biliquid circulation road Novel magneto-rheological damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119600A (en) * | 2017-12-26 | 2018-06-05 | 常州大学 | The intelligent buffer device that a kind of rigidity vibration isolation is automatically switched with damping buffering |
| CN109779065A (en) * | 2019-03-15 | 2019-05-21 | 重庆恩倍克科技有限公司 | A kind of building horizontal shock-absorbing electromagnetic damper |
| CN115058958A (en) * | 2022-06-10 | 2022-09-16 | 中南大学 | Method capable of transferring earthquake risk of CRTS II-shaped bridge-rail system |
-
2017
- 2017-04-27 CN CN201720452513.5U patent/CN206668852U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119600A (en) * | 2017-12-26 | 2018-06-05 | 常州大学 | The intelligent buffer device that a kind of rigidity vibration isolation is automatically switched with damping buffering |
| CN109779065A (en) * | 2019-03-15 | 2019-05-21 | 重庆恩倍克科技有限公司 | A kind of building horizontal shock-absorbing electromagnetic damper |
| CN115058958A (en) * | 2022-06-10 | 2022-09-16 | 中南大学 | Method capable of transferring earthquake risk of CRTS II-shaped bridge-rail system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20180427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |