CN207848293U - A kind of Vehicle Suspension System MR damper - Google Patents
A kind of Vehicle Suspension System MR damper Download PDFInfo
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- CN207848293U CN207848293U CN201820263110.0U CN201820263110U CN207848293U CN 207848293 U CN207848293 U CN 207848293U CN 201820263110 U CN201820263110 U CN 201820263110U CN 207848293 U CN207848293 U CN 207848293U
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- piston
- piston head
- vessel
- closing
- cylinder body
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of Vehicle Suspension System MR dampers, are mainly made of rear end cap, floating piston, the first and second piston heads, piston rod, magnet exciting coil, cylinder body and drive end bearing bracket etc..When car body vibrates, it is corresponding mobile that piston rod drives first piston head and second piston head to make so that respective change occurs for closing vessel II and the volume for closing vessel IV, and closing III volume of vessel remains unchanged.When magnet exciting coil loading current, the pressure of closing vessel III increases;Since closing vessel II is high-voltage oil cavity, closing vessel IV is low pressure oil pocket, is more advantageous to two piston heads in this way and does axial translational movement, is vibrated caused by road surface with offsetting, to reach real-time effectiveness in vibration suppression.The utility model is mounted in Vehicle Suspension System, and damping can be voluntarily adjusted according to traveling state of vehicle so that vibration insulating system can achieve the purpose that improve vehicle riding comfort and control stability according to road conditions real-time control damping force.
Description
Technical field
The utility model is related to a kind of MR damper, more particularly, to a kind of Vehicle Suspension System with magnetorheological
Damper.
Background technology
With the raising of the high speed development and people's living standard of industrial technology, vehicle cruising characteristic increasingly by
To the concern of people.In vehicle travel process, since the contact between wheel and ground can make vehicle generate vibration.Work as vehicle
For traveling in severe road conditions, this vibration can be stronger, can not only influence the health of driver and passenger, or even can threaten and drive people
The life security of member.
With the development of magnetic converting technique, MR damper is applied to the research of vehicle suspension increasingly by weight
Depending on achievement in research is also more and more.But the damper that some low and middle-grade vehicle suspension systems domestic at present use is substantially
Common damper cannot adapt to various road conditions and vehicle service condition in real time very well.Only some high-end vehicle's suspension vibration dampings
System MR damper installed above, the reaction time is shorter, can accomplish real-time dynamic regulation, be capable of providing and almost connect
The longer damping of continuous variation, range is adjusted, but its apparatus structure is complicated, and cost is higher.
Based on this, it is necessary to design that a kind of simple and compact for structure, cost is high and the vehicle suspension of real-time damping control subtracts
Vibrating system MR damper is realized and mitigates the purpose that vehicle vibrates under severe road conditions, ensures that the seating of driver and passenger is relaxed
Adaptive and safety.
Invention content
In order to overcome the problems, such as that Vehicle Suspension System MR damper described in background technology exists, this practicality is new
Type provides a kind of Vehicle Suspension System MR damper.The MR damper is mounted on Vehicle Suspension System
In, it can be according to traveling state of vehicle automatic damping adjusting so that vehicle suspension system can be damped according to road conditions real-time control, from
And mitigate the vibration that ground passes to vehicle suspension.When vehicle traveling road conditions change, car body vibrates, and can drive work
Stopper rod moves forward and backward in cylinder body, and at the same time, it is corresponding mobile that piston rod drives first piston head and second piston head to make, and makes
Vessel II must be closed and close the volume generation respective change of vessel IV;The sensor of detection body vibrations can send out letter at this time
Number, and by this signal by power delivery to central processing unit, after the control algolithm processing of central processing unit itself storage, in
Central processor can send out control signal to magnet exciting coil, and then control the size of magnetic field intensity produced by magnet exciting coil.By changing
Varying magnetic field intensity changes the damped coefficient of magnetorheological fluid, plays control damper damping force, come offset by road surface or other
Vibration force caused by aspect.
Technical solution includes used by the utility model solves its technical problem:Rear end cap (1), floating piston (2), spiral shell
Female (3), second piston head (4), piston rod (5), magnet exciting coil (6), cylinder body (7), drive end bearing bracket (8), right lifting lug (9), damping hole
(10), first piston head (11), axle sleeve (12) and left lifting lug (13);Rear end cap (1) is fixedly connected by screw with cylinder body (7);
Rear end cap (1) left end external process has external screw thread, left lifting lug (13) right end hollow part to be machined with internal thread hole;Rear end cap (1)
It is threadably secured and connect with left lifting lug (13);Floating piston (2) circumferential outer surface is matched with cylinder body (7) circumferential inner surface gap
It closes, the two is sealed by a seal ring;Drive end bearing bracket (8) is fixedly connected by screw with cylinder body (7);Add among drive end bearing bracket (8)
Work has circular through hole, piston rod (5) right end and drive end bearing bracket (8) circular through hole clearance fit, and is sealed by a seal ring;It is living
Stopper rod (5) right part outer surface is machined with external screw thread, and right lifting lug (9) left end hollow part is machined with internal thread hole, piston rod (5)
It is threadably secured and connect with right lifting lug (9);Second piston head (4) circumferential outer surface coordinates with cylinder body (7) internal surface gaps, and
It is sealed by a seal ring;Second piston head (4) right side abuts axle sleeve (12) left side;Axle sleeve (12) right side is against the
One piston head (11) left side;The shoulder axially position that first piston head (11) right side passes through the intermediate position of piston rod (5);The
Two piston heads (4), axle sleeve (12) and first piston head (11) center are machined with circular through hole respectively, and circular through hole is and piston
Bar (5) transition coordinates;Piston rod (5) left part outer surface is machined with external screw thread, and nut (3) is solid by screw thread with piston rod (5)
Fixed connection, is used for axial restraint second piston head (4), axle sleeve (12) and first piston head (11);First piston head (11) circumference
Outer surface is machined with toroidal cavity, and magnet exciting coil (6) is wrapped in toroidal cavity;Two leads of magnet exciting coil (6) are logical
The fairlead of the wire lead slot and cylinder body (7) of crossing first piston head (11) is drawn;Rear end cap (1), cylinder body (7) and floating piston (2)
Between surround closing vessel I;Closing vessel II is surrounded between second piston head (4), floating piston (2) and cylinder body (7);Second lives
Closing vessel III is surrounded between chock plug (4), cylinder body (7) and first piston head (11);Drive end bearing bracket (8), cylinder body (7) and first piston
Closing vessel IV is surrounded between head (11);It closes in vessel II, closing vessel III and closing vessel IV and is filled with magnetorheological fluid, envelope
It closes and fills compressed gas in vessel I;Closing vessel III and closing vessel IV pass through equally distributed 3 on first piston head (11)
Circular through hole is connected;Damping hole (10) is machined on the intermediate position axis direction of piston rod (5), damping hole (10) is used for being connected to
Close vessel II and closing vessel IV;When piston rod (5) in axial direction moves, closing vessel II and the body for closing vessel IV
Respective change can occur for product, and floating piston (2) can be floated by the left and right of axial direction to realize volume compensation at this time.
The utility model compared with the background art, has an advantageous effect in that:
(1) the utility model can more accurately determine closing vessel II and closing using first piston head and second piston head
The volume of vessel IV;In addition, the constancy of volume of closing vessel III closes vessel III and closing when magnet exciting coil loading current
The damping force of vessel IV will increase, and the pressure at this moment closing vessel III increases;Since closing vessel II is high-voltage oil cavity, closing is held
Chamber IV is low pressure oil pocket, is more advantageous to two piston heads in this way and does axial translational movement to the right, with offset by road surface or other
Vibration caused by aspect, to achieve the effect that the real-time vibration damping of damper.
(2) the utility model is applied in Vehicle Suspension System, can be automatically adjusted and be hindered according to traveling state of vehicle
Buddhist nun so that Vehicle Suspension System can be damped according to pavement behavior real-time control, mitigate vehicle traveling in road conditions to reach
Vibration when severe ensures the purpose of driver and passenger's riding comfort and safety.
(3) not only vibration insulating system control principle is simple for the utility model, and have both it is compact-sized, convenient for the excellent of manufacture
Point.The performance for greatly enhancing Vehicle Suspension System MR damper can be good at improving vehicle
Riding comfort and control stability.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples:
It is the utility model structure diagram shown in Fig. 1, the utility model includes rear end cap (1), floating piston (2), spiral shell
Female (3), second piston head (4), piston rod (5), magnet exciting coil (6), cylinder body (7), drive end bearing bracket (8), right lifting lug (9), damping hole
(10), first piston head (11), axle sleeve (12) and left lifting lug (13).The right end end of piston rod (5) is equipped with to be connected with vehicle hanging
The right lifting lug (9) connect, the two are threadably secured connection.The left end end of rear end cap (1) is equipped with the left side for being connect with car body
Lifting lug (13), the two are threadably secured connection.
Utility model works principle is as follows:
When vehicle traveling road conditions change, car body vibrates, and piston rod can be driven to be moved forward and backward in cylinder body,
At the same time, piston rod drives first piston head and second piston head to make corresponding mobile so that closing vessel II and closing vessel
Respective change occurs for IV volume;The sensor of detection body vibrations can send out signal at this time, and this signal is passed by power supply
It is defeated by central processing unit, after the control algolithm processing of central processing unit itself storage, central processing unit can send out control signal
To magnet exciting coil, and then control the size of magnetic field intensity produced by magnet exciting coil.It is magnetorheological to change by changing magnetic field intensity
The damped coefficient of liquid plays control damper damping force, to offset the vibration force caused by road surface or other aspects, to subtract
Light road conditions pass to the vibration of vehicle body, achieve the purpose that improve vehicle traveling riding comfort and control stability.
Claims (1)
1. a kind of Vehicle Suspension System MR damper, it is characterised in that:Including rear end cap (1), floating piston
(2), nut (3), second piston head (4), piston rod (5), magnet exciting coil (6), cylinder body (7), drive end bearing bracket (8), right lifting lug (9),
Damping hole (10), first piston head (11), axle sleeve (12) and left lifting lug (13);Rear end cap (1) is fixed by screw and cylinder body (7)
Connection;Rear end cap (1) left end external process has external screw thread, left lifting lug (13) right end hollow part to be machined with internal thread hole;Rear end
Lid (1) is threadably secured with left lifting lug (13) to be connect;Between floating piston (2) circumferential outer surface and cylinder body (7) circumferential inner surface
Gap coordinates, and the two is sealed by a seal ring;Drive end bearing bracket (8) is fixedly connected by screw with cylinder body (7);In drive end bearing bracket (8)
Between be machined with circular through hole, piston rod (5) right end and drive end bearing bracket (8) circular through hole clearance fit, and carried out by sealing ring close
Envelope;Piston rod (5) right part outer surface is machined with external screw thread, and right lifting lug (9) left end hollow part is machined with internal thread hole, piston
Bar (5) is threadably secured with right lifting lug (9) and connect;Second piston head (4) circumferential outer surface is matched with cylinder body (7) internal surface gaps
It closes, and is sealed by a seal ring;Second piston head (4) right side abuts axle sleeve (12) left side;Axle sleeve (12) right side
Against first piston head (11) left side;First piston head (11) right side is axial by the shoulder at the intermediate position of piston rod (5)
Positioning;Second piston head (4), axle sleeve (12) and first piston head (11) center are machined with circular through hole, circular through hole respectively
Coordinate with piston rod (5) transition;Piston rod (5) left part outer surface is machined with external screw thread, and nut (3) is logical with piston rod (5)
The connection that is screwed is crossed, axial restraint second piston head (4), axle sleeve (12) and first piston head (11) are used for;First piston head
(11) circumferential outer surface is machined with toroidal cavity, and magnet exciting coil (6) is wrapped in toroidal cavity;The two of magnet exciting coil (6)
Root lead is drawn by the wire lead slot of first piston head (11) and the fairlead of cylinder body (7);Rear end cap (1), cylinder body (7) and floating
Closing vessel I is surrounded between piston (2);Closing vessel is surrounded between second piston head (4), floating piston (2) and cylinder body (7)
Ⅱ;Closing vessel III is surrounded between second piston head (4), cylinder body (7) and first piston head (11);Drive end bearing bracket (8), cylinder body (7)
And closing vessel IV is surrounded between first piston head (11);It is filled in closing vessel II, closing vessel III and closing vessel IV
Magnetorheological fluid, closing vessel I is interior to fill compressed gas;It closes vessel III and closes vessel IV and pass through on first piston head (11)
3 circular through holes of even distribution are connected;It is machined with damping hole (10), damping hole on the intermediate position axis direction of piston rod (5)
(10) it is used for being connected to closing vessel II and closing vessel IV;When piston rod (5) in axial direction moves, vessel II and envelope are closed
Respective change can be occurred by closing the volume of vessel IV, and floating piston (2) can be floated by the left and right of axial direction to realize body at this time
Product compensation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820263110.0U CN207848293U (en) | 2018-02-23 | 2018-02-23 | A kind of Vehicle Suspension System MR damper |
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CN201820263110.0U CN207848293U (en) | 2018-02-23 | 2018-02-23 | A kind of Vehicle Suspension System MR damper |
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CN207848293U true CN207848293U (en) | 2018-09-11 |
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CN201820263110.0U Expired - Fee Related CN207848293U (en) | 2018-02-23 | 2018-02-23 | A kind of Vehicle Suspension System MR damper |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110556755A (en) * | 2019-07-23 | 2019-12-10 | 武汉船用机械有限责任公司 | Cable bridge |
CN110566624A (en) * | 2019-09-27 | 2019-12-13 | 天津大学仁爱学院 | Semi-active vibration damper capable of phase-splitting self-adaptive control |
CN113027978A (en) * | 2021-04-30 | 2021-06-25 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
-
2018
- 2018-02-23 CN CN201820263110.0U patent/CN207848293U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110556755A (en) * | 2019-07-23 | 2019-12-10 | 武汉船用机械有限责任公司 | Cable bridge |
CN110566624A (en) * | 2019-09-27 | 2019-12-13 | 天津大学仁爱学院 | Semi-active vibration damper capable of phase-splitting self-adaptive control |
CN110566624B (en) * | 2019-09-27 | 2024-02-06 | 天津大学仁爱学院 | Semi-active vibration damper capable of phase-splitting self-adaptive control |
CN113027978A (en) * | 2021-04-30 | 2021-06-25 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
CN113027978B (en) * | 2021-04-30 | 2022-11-04 | 重庆大学 | Multi-loop asymmetric magnetorheological damper |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20200223 |
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CF01 | Termination of patent right due to non-payment of annual fee |