CN207750432U - A kind of two-wire ring MR damper of external cooling device - Google Patents
A kind of two-wire ring MR damper of external cooling device Download PDFInfo
- Publication number
- CN207750432U CN207750432U CN201820054474.8U CN201820054474U CN207750432U CN 207750432 U CN207750432 U CN 207750432U CN 201820054474 U CN201820054474 U CN 201820054474U CN 207750432 U CN207750432 U CN 207750432U
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- China
- Prior art keywords
- cylinder body
- end cap
- cooling
- damper
- right end
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Abstract
The utility model discloses a kind of two-wire ring MR dampers of external cooling device, are mainly made of end cap, cylinder body, coil winding frame, magnet exciting coil, cooling water storage chamber, water pump and cooling pipe etc..The cylinder interior of the damper is hollow, is equipped with the cooling water storage chamber of circular ring shape；Water pump and cooling pipe are connected by pipe fitting outside cylinder body, closed loop is formed, constitutes the cooling system of damper.Pump working makes cooling water circulate in a cooling system.The heat that damper generates when working is conducted by cooling water, to ensure the normal working temperature of magnetorheological fluid, improves system stability.The damper structure is compact, small, stability is high, is particularly suitable for using vibration dampings shock absorption systems such as automotive fields.
Description
Technical field
The utility model is related to a kind of MR damper more particularly to a kind of two-wire ring magnetic currents of external cooling device
Variable damping device.
Background technology
MR damper is a kind of MR damper of novel intelligent, is a kind of semi-active control aystem.It has
It is big to export damping force, power output is controllable and fast response time.MR damper is widely used in industrial circle, because its is excellent
Performance be repeatedly used in the vibration insulating systems such as automobile, railway locomotive and building.
In some vibration insulating systems, since the output damping force of needs is larger, MR damper is designed to a variety of knots
Structure.Wherein, most simple is exactly directly most by damper designs into Double-coil type, can not increase damper volume in this way
In the case of increase substantially output damping force.But damper designs at Double-coil type when, when magnetic current and liquid flow overdamp gap
The shear stress of bigger will be generated, therefore larger heat will be generated, heat will be dispersed into magnetorheological fluid, make magnetorheological fluid
Temperature increase, reduce the viscosity of magnetorheological fluid, substantially reduce the effectiveness in vibration suppression of damper.
Invention content
In order to overcome the problems, such as that MR damper described in background technology has and meet actually making for MR damper
With requiring, the utility model provides a kind of two-wire ring MR damper of external cooling device.In the cylinder body of the damper
Portion is hollow, and the cooling water storage chamber equipped with circular ring shape；And in one water pump of cylinder Ligation in vitro and spiral cooling pipe, shape
At a cycle closed circuit, the cooling system of damper is constituted.Circular ring shape cooling water storage chamber in cylinder body and spiral shape
Cooling pipe in be full of cooling water, pump working can be such that cooling water circulates in a cooling system.The damper course of work
In, magnetic current and liquid flow overdamp gap generates heat while generating damping force.The cooling water circulated can conduct heat
It goes out, cooling pipe design is helical, can effectively increase the contact area with air, increase the heat dissipation performance of cooling system.
Setting cooling system can avoid magnetorheological fluid because temperature raising causes viscosity to decline, and improve the stability of damper, final to protect
Hinder the output damping force of damper.
Technical solution includes used by the utility model solves its technical problem：Left hanging ring (1), piston rod (2), left end
Cover (3), cylinder body (4), water pump (5), cooling pipe (6), coil winding frame (7), right end cap (8), right hanging ring (9), spring (10),
Floating piston (11), locking nut (12), excitation coil I (13), excitation coil II (14) and cooling water storage chamber (15)；It is left
Hanging ring (1) is threadably secured with piston rod (2) and connect；Circular through hole, piston rod (2) and a left side are machined among left end cap (3)
End cap (3) circular through hole internal surface gaps coordinate, and are sealed by a seal ring；Left end cap (3) is matched with cylinder body (4) gap
It closes, and is sealed by a seal ring；Left end cap (3) is fixedly connected with cylinder body (4) by screw；Coil winding frame (7) circumference
Inner surface coordinates with the transition of piston rod (2) outer surface；It is axial fixed that coil winding frame (7) is carried out by piston rod (2) right end shoulder
Position；Piston rod (2) right end is machined with external screw thread, and coil winding frame (7) is carried out axial by locking nut (12) and piston rod (2)
It is fixedly connected；There are two winding slot, magnet exciting coil I (13) is wound respectively with magnet exciting coil II (14) for coil winding frame (7) processing
In (7) two winding slots of coil winding frame；Magnet exciting coil I (13) and the lead of magnet exciting coil II (14) pass through coil winding frame
(7) fairlead of wire lead slot and piston rod (2) is drawn；Floating piston (11) outer surface coordinates with cylinder body (4) internal surface gaps,
And it is sealed by a seal ring；There are one circular counter bores for the processing of floating piston (11) right side；Spring (10) left end and floating
Piston (11) circular counter bore clearance fit；There are one circular counter bores for the processing of right end cap (8) left side；Spring (10) right end and right end
Cover (8) circular counter bore clearance fit；Right end cap (8) and cylinder body (4) clearance fit, and be sealed by a seal ring；Right end cap
(8) it is fixedly connected by screw with cylinder body (4)；Right end cap (8) is threadably secured with right hanging ring (9) and connect；Cylinder body (4) is internal
Hollow, hollow part is equipped with the cooling water storage chamber (15) of circular ring shape；Cylinder body (4) left end passes through under pipe fitting and water pump (5)
End connection；Water pump (5) upper end is connect with cooling pipe (6) left end；Cooling pipe (6) right end is right by pipe fitting and cylinder body (4)
End connection forms closed circuit, constitutes the cooling system of damper.
The utility model compared with the background art, has an advantageous effect in that：
(1) cylinder interior of the damper is hollow, and the cooling water storage chamber equipped with circular ring shape；And in cylinder Ligation in vitro
One water pump and spiral cooling pipe form a cycle closed circuit, constitute the cooling system of damper.In cylinder body
Cooling water is full of in circular ring shape cooling water storage chamber and spiral cooling pipe, pump working can make cooling water in cooling system
It is circulated in system.In the damper course of work, magnetic current and liquid flow overdamp gap generates heat while generating damping force.
The cooling water circulated can conduct heat, can avoid magnetorheological fluid because temperature raising causes viscosity to decline, improve
The stability of damper.
(2) the cooling pipe design of the utility model is helical, can effectively increase the contact area with air, improve
The heat dissipation performance of cooling system.It is equipped with cooling system and can avoid magnetorheological fluid because temperature raising causes viscosity to decline, improve resistance
The stability of Buddhist nun's device, can effective guarantee damper output damping force.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model cooling system schematic diagram.
Fig. 3 the utility model magnet exciting coil magnetic line of force distribution schematic diagrams.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, the utility model includes：Left hanging ring (1), piston rod (2), left end cap (3), cylinder body (4), water pump
(5), cooling pipe (6), coil winding frame (7), right end cap (8), right hanging ring (9), spring (10), floating piston (11), locking
Nut (12), excitation coil I (13), excitation coil II (14) and cooling water storage chamber (15).
Fig. 2 show the utility model cooling system schematic diagram.Water pump (5) lower end passes through pipe fitting and cylinder body (4) left end
Connection；Water pump (5) upper end is connect with cooling pipe (6) left end；Cooling pipe (6) right end passes through pipe fitting and cylinder body (4) right end
Connection forms closed circuit, constitutes the cooling system of damper.
Fig. 3 show the utility model magnet exciting coil magnetic line of force distribution schematic diagram.Coil winding frame (7) and cylinder body (4) are equal
For No. 10 steel permeability magnetic materials, magnet exciting coil I (13) is with magnet exciting coil II (14) because the magnetic line of force that galvanomagnetic-effect generates sequentially passes through
Coil winding frame (7) and cylinder body (4) form closed circuit.
Utility model works principle is as follows：
When magnet exciting coil I (13) and magnet exciting coil II (14) are passed through electric current, magnet exciting coil (11) is generated because of galvanomagnetic-effect
The magnetic line of force perpendicular through effective damping channel.Due to magnetic fields, flows through the magnetorheological fluid of damp channel its viscosity and will increase,
Yield stress enhances.Magnetorheological fluid flows through the damp channel, the intermolecular power of this catenation need to be overcome, to increase magnetic
The viscous damping force of rheological damper.By adjusting size of current in magnet exciting coil (11), the surrender of changeable magnetorheological fluid is answered
Power reaches required output damping force.Damper cooling system is connect by pipe fitting with cylinder body (4), and water pump (5) work drives
Cooling water is circulated in the internal cooling water storage chamber (15) of cylinder body (4) and cooling pipe (6), and damper work is generated
Heat conducts, and further ensures the job stability of damper.
Claims (1)
1. a kind of two-wire ring MR damper of external cooling device, it is characterised in that including：Left hanging ring (1), piston rod
(2), left end cap (3), cylinder body (4), water pump (5), cooling pipe (6), coil winding frame (7), right end cap (8), right hanging ring (9),
Spring (10), floating piston (11), locking nut (12), magnet exciting coil I (13), magnet exciting coil II (14) and cooling water storage
Chamber (15)；Left hanging ring (1) is threadably secured with piston rod (2) to be connect；It is machined with circular through hole, piston among left end cap (3)
Bar (2) coordinates with left end cap (3) circular through hole internal surface gaps, and is sealed by a seal ring；Left end cap (3) and cylinder body
(4) clearance fit, and be sealed by a seal ring；Left end cap (3) is fixedly connected with cylinder body (4) by screw；Coil-winding
Frame (7) circumferential inner surface coordinates with the transition of piston rod (2) outer surface；Coil winding frame (7) by piston rod (2) right end shoulder into
Row axially position；Piston rod (2) right end is machined with external screw thread, and coil winding frame (7) passes through locking nut (12) and piston rod (2)
Carry out axial restraint connection；There are two winding slot, magnet exciting coil I (13) and magnet exciting coils II (14) for coil winding frame (7) processing
It is respectively wound around in (7) two winding slots of coil winding frame；Magnet exciting coil I (13) and the lead of magnet exciting coil II (14) pass through line
The fairlead of the wire lead slot and piston rod (2) that enclose bobbin winder bracket (7) is drawn；Floating piston (11) outer surface and cylinder body (4) inner surface
Clearance fit, and be sealed by a seal ring；There are one circular counter bores for the processing of floating piston (11) right side；Spring (10) is left
End and floating piston (11) circular counter bore clearance fit；There are one circular counter bores for the processing of right end cap (8) left side；Spring (10) is right
End and right end cap (8) circular counter bore clearance fit；Right end cap (8) and cylinder body (4) clearance fit, and carried out by sealing ring close
Envelope；Right end cap (8) is fixedly connected with cylinder body (4) by screw；Right end cap (8) is threadably secured with right hanging ring (9) and connect；Cylinder
Body (4) inner hollow, hollow part are equipped with the cooling water storage chamber (15) of circular ring shape；Cylinder body (4) left end by pipe fitting with
Water pump (5) lower end connects；Water pump (5) upper end is connect with cooling pipe (6) left end；Cooling pipe (6) right end by pipe fitting with
Cylinder body (4) right end connects to form closed circuit, constitutes the cooling system of damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054474.8U CN207750432U (en) | 2018-01-13 | 2018-01-13 | A kind of two-wire ring MR damper of external cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054474.8U CN207750432U (en) | 2018-01-13 | 2018-01-13 | A kind of two-wire ring MR damper of external cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750432U true CN207750432U (en) | 2018-08-21 |
Family
ID=63151650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054474.8U Expired - Fee Related CN207750432U (en) | 2018-01-13 | 2018-01-13 | A kind of two-wire ring MR damper of external cooling device |
Country Status (1)
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| CN (1) | CN207750432U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372940A (en) * | 2018-11-30 | 2019-02-22 | 重庆怡之驰机械有限公司 | The mounting bracket of gasoline engine |
| CN111075879A (en) * | 2019-12-05 | 2020-04-28 | 中国科学院上海光学精密机械研究所 | Constant-temperature magnetorheological damper based on flexible semiconductor temperature control technology |
| CN113357301A (en) * | 2021-05-14 | 2021-09-07 | 连云港师范高等专科学校 | Magnetorheological fluid damper with active heat dissipation function |
-
2018
- 2018-01-13 CN CN201820054474.8U patent/CN207750432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372940A (en) * | 2018-11-30 | 2019-02-22 | 重庆怡之驰机械有限公司 | The mounting bracket of gasoline engine |
| CN109372940B (en) * | 2018-11-30 | 2020-05-05 | 重庆怡之驰机械有限公司 | Mounting bracket for gasoline engine |
| CN111075879A (en) * | 2019-12-05 | 2020-04-28 | 中国科学院上海光学精密机械研究所 | Constant-temperature magnetorheological damper based on flexible semiconductor temperature control technology |
| CN113357301A (en) * | 2021-05-14 | 2021-09-07 | 连云港师范高等专科学校 | Magnetorheological fluid damper with active heat dissipation function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20190113 |