CN104074919B - Based on the magnetorheological hydraulic engine mount of all Radial Flow patterns - Google Patents
Based on the magnetorheological hydraulic engine mount of all Radial Flow patterns Download PDFInfo
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- CN104074919B CN104074919B CN201410323729.2A CN201410323729A CN104074919B CN 104074919 B CN104074919 B CN 104074919B CN 201410323729 A CN201410323729 A CN 201410323729A CN 104074919 B CN104074919 B CN 104074919B
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- magnetic core
- damp channel
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- channel
- lower magnetic
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- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
The invention discloses a kind of magnetorheological hydraulic engine mount based on all Radial Flow patterns, adopt the pattern that circumferential damp channel and radial damp channel combine, the length of damp channel is increased in limited physical dimension, damp channel is longer, the damping force exported is larger, because motor amplitude is less, the length increasing damp channel can increase maximum damping force, increases the adjustable extent of damping force; The width of radial damp channel is determined by the size of contact pin, and the size by changing contact pin changes the width of radial damp channel; Has liquid filling hole and exhaust port in the middle of reinforced block, when making fluid injection, exhaust is more smooth and easy, and fluid injection is convenient; Housing adopts every magnetic aluminum alloy material, and when making its work, magnetic circuit leakage field weakens.
Description
Technical field
The present invention relates to isolation mounting, be specifically related to a kind of magnetorheological hydraulic engine mount based on all Radial Flow patterns.
Background technique
The viscosity of magnetic flow liquid and yield stress can change with the change of externally-applied magnetic field, and this change has quick, reversible and controlled feature.Magnetorheological hydraulic mount is exactly this characteristic utilizing magnetic flow liquid, the output damping force that magnetic intensity changes magnetorheological hydraulic mount is changed by the electric current controlled in field coil, thus making the vibration attenuation of the motivation sent out, the response of this process is rapid, process is continuous, reversible.
The existing magnetorheological hydraulic mount based on flow pattern for motor car engine vibration isolation, exist following following not enough: 1) traditional magnetorheological hydraulic mount based on flow pattern often only has circumferential damp channel, because engine luggine amplitude is relatively little, the damping force tunability range of suspension is poor, larger damping force can not be provided at low frequency, limit the vibration isolating effect of suspension system; 2) tradition is suspended at housing central section and arranges liquid filling hole, makes its easy leakage; 3) tradition suspension is usually only provided with a liquid filling hole and makes fluid injection difficulty, easily produces bubble in injection process.
Summary of the invention
In view of this, the object of this invention is to provide a kind of magnetorheological hydraulic engine mount based on all Radial Flow patterns, circumferential damp channel and radial damp channel are set, reach the object of the damping force adjustable extent increasing suspension.
The present invention is solved the problem by following technological means: a kind of magnetorheological hydraulic engine mount based on all Radial Flow patterns, comprise the housing of open-topped, arrange and be plugged in the rubber spring of housing tip opening, the connecting rod running through rubber spring and the rubber counterdie be arranged at bottom case inside, described housing comprises the upper shell and lower shell body that are bolted, formed airtight between described rubber spring and rubber counterdie and be full of the chamber of magnetic flow liquid, core assembly is provided with in described chamber, described core assembly comprises magnetic core from top to bottom successively, it is wound with the line of flow ring support of field coil and lower magnetic core, described upper magnetic core and lower magnetic core inside are provided with circumferential damp channel, the the first radial damp channel be communicated with upper magnetic core internal circumferential damp channel is formed between described upper magnetic core and line of flow ring support, described lower magnetic core with form the second radial damp channel be communicated with lower magnetic core internal circumferential damp channel between line of flow ring support, the inertia channel of the radial damp channel of connection first and the second radial damp channel is provided with in the middle part of described line of flow ring support, described upper magnetic core is connected by the connecting bolt running through inertia channel with lower magnetic core.
Further, described upper magnetic core comprises outside upper magnetic core and interior upper magnetic core, circumferential damp channel is formed between described outside upper magnetic core and interior upper magnetic core, the first radial damp channel is formed between described interior upper magnetic core and line of flow ring support, be evenly equipped with multiple for regulating the contact pin of the first radial damp channel width in described first radial damp channel, described interior upper magnetic core is connected with lower magnetic core by connecting bolt.
Further, described lower magnetic core comprises outside lower magnetic core and interior lower magnetic core, circumferential damp channel is formed between described outside lower magnetic core and interior lower magnetic core, the second radial damp channel is formed between described interior lower magnetic core and line of flow ring support, be evenly equipped with multiple for regulating the contact pin of the second radial damp channel width in described second radial damp channel, described interior lower magnetic core is connected with interior upper magnetic core by connecting bolt.
Further, magnetic shield cylinder is provided with in described inertia channel.
Further, be provided with metallic channel in described outside lower magnetic core, described lower shell body corresponding lead groove place is provided with tapped hole, is provided with the bolt it being processed with through hole in described tapped hole, and the lead-in wire of described field coil is drawn outside housing by through hole.
Further, the inner side surface of described upper shell and lower shell body is respectively provided with a step surface, and the step surface of described upper magnetic core and upper shell fits tightly, and the two ends of rubber counterdie are pressed on the step surface of lower shell body by described lower magnetic core.
Further, the fitting surface of described upper shell and lower shell body, upper shell and upper magnetic core and lower shell body and upper magnetic core is provided with seal ring.
Further, described rubber spring is also provided with reinforced block, described reinforced block is provided with liquid filling hole and exhaust port, described connecting rod upper end is fixedly connected with reinforced block by the center screw thread of reinforced block.
Further, described housing is made by every magnetic aluminum alloy material.
Beneficial effect of the present invention:
1) magnetorheological hydraulic mount based on all Radial Flow patterns of the present invention, adopt the pattern that circumferential damp channel and radial damp channel combine, the length of damp channel is increased in limited physical dimension, damp channel is longer, the damping force exported is larger, because motor amplitude is less, the length increasing damp channel can increase maximum damping force, increases the adjustable extent of damping force.
2) magnetorheological hydraulic mount based on all Radial Flow patterns of the present invention, the width of radial damp channel (comprising the first radial damp channel and the second radial damp channel) is determined by the size of contact pin, size by changing contact pin changes the width of radial damp channel, radial damp channel width is less, damping force is larger, can increase the adjustable extent of damping force while meeting maximum output damping force further.
3) magnetorheological hydraulic mount based on all Radial Flow patterns of the present invention, reinforced block is provided with liquid filling hole and exhaust port, and when making fluid injection, exhaust is more smooth and easy, and fluid injection is convenient.
4) magnetorheological hydraulic mount based on all Radial Flow patterns of the present invention, housing adopts every magnetic aluminum alloy material, and when making its work, magnetic circuit leakage field weakens.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of upper magnetic core;
Fig. 3 is the structural representation of lower magnetic core;
Fig. 4 is line of flow ring support structural representation.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail, as Figure 1-4: the magnetorheological hydraulic engine mount based on all Radial Flow patterns of the present invention, comprise the housing of open-topped, arrange and be plugged in the rubber spring 2 of housing tip opening, the connecting rod 3 running through rubber spring and the rubber counterdie 4 be arranged at bottom case inside, described housing comprises the upper shell 1a and lower shell body 1b that are bolted, described upper shell and lower shell body are made by every magnetic aluminum alloy material, formed airtight between described rubber spring and rubber counterdie and be full of the chamber of magnetic flow liquid, core assembly is provided with in described chamber, described core assembly comprises magnetic core 5 from top to bottom successively, it is wound with the line of flow ring support 6 of field coil and lower magnetic core 7, described upper magnetic core and lower magnetic core inside are provided with circumferential damp channel 8, the the first radial damp channel 9 be communicated with upper magnetic core internal circumferential damp channel is formed between described upper magnetic core and line of flow ring support, described lower magnetic core with form the second radial damp channel 10 be communicated with lower magnetic core internal circumferential damp channel between line of flow ring support, the inertia channel 11 of the radial damp channel of connection first and the second radial damp channel is provided with in the middle part of described line of flow ring support, described upper magnetic core is connected by the connecting bolt 12 running through inertia channel 11 with lower magnetic core.
As the further improvement of technique scheme, described upper magnetic core 5 comprises outside upper magnetic core 5a and interior upper magnetic core 5b, circumferential damp channel 8 is formed between described outside upper magnetic core and interior upper magnetic core, the first radial damp channel 9 is formed between described interior upper magnetic core and line of flow ring support, be evenly equipped with multiple for regulating the contact pin 13 of the first radial damp channel width in described first radial damp channel, described interior upper magnetic core is connected with lower magnetic core by connecting bolt; Just can be adjusted the width of the first radial damp channel by the size adjusting contact pin, width is less, and the damping force of output is larger, otherwise the damping force then exported is little.
As the further improvement of technique scheme, described lower magnetic core 7 comprises outside lower magnetic core 7a and interior lower magnetic core 7b, circumferential damp channel is formed between described outside lower magnetic core and interior lower magnetic core, the second radial damp channel 10 is formed between described interior lower magnetic core and line of flow ring support, be evenly equipped with multiple for regulating the contact pin 13 of the second radial damp channel width in described second radial damp channel, described interior lower magnetic core is connected with interior upper magnetic core by connecting bolt; Metallic channel 15 is provided with in described outside lower magnetic core, described lower shell body corresponding lead groove place is provided with tapped hole, the bolt 16 it being processed with through hole is provided with in described tapped hole, the width of the second radial damp channel just can be adjusted by the size adjusting contact pin, width is less, the damping force exported is larger, otherwise the damping force then exported is little.Metallic channel is provided with in described outside lower magnetic core, described lower shell body corresponding lead groove place is provided with tapped hole, is provided with the bolt it being processed with through hole in described tapped hole, and the lead-in wire of described field coil is drawn outside housing by through hole, the gage system compact structure of this structure, lead-in wire is convenient.
As the further improvement of technique scheme, in described inertia channel, be provided with magnetic shield cylinder 14; Magnetic shield cylinder can guide the magnetic line of force to distribute, and damping force is exported more uniform and stable.
As the further improvement of technique scheme, the inner side surface of described upper shell 1a and lower shell body 1b is respectively provided with a step surface, the step surface of described upper magnetic core and upper shell fits tightly, the two ends of rubber counterdie 4 are pressed on the step surface of lower shell body by described lower magnetic core 7, and the fitting surface of described upper shell and lower shell body, upper shell and upper magnetic core and lower shell body and upper magnetic core is provided with seal ring 17; This structure is conducive to preventing magnetic flow liquid from leaking.
As the further improvement of technique scheme, described rubber spring is also provided with reinforced block 18, rubber spring is fixedly connected with reinforced block by sulfuration process, described reinforced block is provided with liquid filling hole 19 and exhaust port 20, described connecting rod is fixedly connected with reinforced block by the center screw thread of reinforced block, described connecting rod exposes suspension and divides the screw thread being provided with certain length, for being connected with motor, reinforced block is provided with liquid filling hole and exhaust port, when making fluid injection, exhaust is more smooth and easy, and fluid injection is convenient.
As the further improvement of technique scheme, be provided with vent bottom described lower shell body, vent is used for rubber counterdie side to communicate with air.
The magnetorheological hydraulic engine mount based on all Radial Flow patterns of this structure, when driven by engine connecting rod vibrates, damping force increases with the increase of field coil electric current, simultaneously, adopt the pattern that circumferential damp channel and radial damp channel (comprising the first radial damp channel and the second radial damp channel) combine, the length of damp channel is increased in limited physical dimension, damp channel is longer, the damping force exported is larger, because motor amplitude is less, the length increasing damp channel can increase maximum damping force, increase the adjustable extent of damping force.The width of radial damp channel changes by the size changing contact pin, and radial damp channel width is less, and damping force is larger, can increase the adjustable extent of damping force while meeting maximum output damping force further.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. the magnetorheological hydraulic engine mount based on all Radial Flow patterns, comprise the housing of open-topped, arrange and be plugged in the rubber spring (2) of housing tip opening, the connecting rod (3) running through rubber spring and the rubber counterdie (4) be arranged at bottom case inside, described housing comprises the upper shell (1a) and lower shell body (1b) that are bolted, formed airtight between described rubber spring and rubber counterdie and be full of the chamber of magnetic flow liquid, it is characterized in that: in described chamber, be provided with core assembly, described core assembly comprises magnetic core (5) from top to bottom successively, it is wound with line of flow ring support (6) and the lower magnetic core (7) of field coil, described upper magnetic core and lower magnetic core inside are provided with circumferential damp channel (8), the the first radial damp channel (9) be communicated with upper magnetic core internal circumferential damp channel is formed between described upper magnetic core and line of flow ring support, described lower magnetic core with form the second radial damp channel (10) be communicated with lower magnetic core internal circumferential damp channel between line of flow ring support, the inertia channel (11) of the radial damp channel of connection first and the second radial damp channel is provided with in the middle part of described line of flow ring support, described upper magnetic core is connected by the connecting bolt running through inertia channel (12) with lower magnetic core, described upper magnetic core (5) comprises outside upper magnetic core (5a) and interior upper magnetic core (5b), circumferential damp channel (8) is formed between described outside upper magnetic core and interior upper magnetic core, the first radial damp channel is formed between described interior upper magnetic core and line of flow ring support, be evenly equipped with multiple for regulating the contact pin (13) of the first radial damp channel width in described first radial damp channel, described interior upper magnetic core is connected with lower magnetic core by connecting bolt.
2. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 1, it is characterized in that: described lower magnetic core (7) comprises outside lower magnetic core (7a) and interior lower magnetic core (7b), circumferential damp channel (8) is formed between described outside lower magnetic core and interior lower magnetic core, the second radial damp channel is formed between described interior lower magnetic core and line of flow ring support, be evenly equipped with multiple for regulating the contact pin (13) of the second radial damp channel width in described second radial damp channel, described interior lower magnetic core is connected with interior upper magnetic core by connecting bolt.
3. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 2, is characterized in that: be provided with magnetic shield cylinder (14) in described inertia channel.
4. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 2, it is characterized in that: in described outside lower magnetic core, be provided with metallic channel (15), described lower shell body corresponding lead groove place is provided with tapped hole, be provided with the bolt (16) it being processed with through hole in described tapped hole, the lead-in wire of described field coil is drawn outside housing by through hole.
5. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 4, it is characterized in that: the inner side surface of described upper shell (1a) and lower shell body (1b) is respectively provided with a step surface, described upper magnetic core (5) fits tightly with the step surface of upper shell, and the two ends of rubber counterdie are pressed on the step surface of lower shell body by described lower magnetic core.
6. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 5, is characterized in that: the fitting surface of described upper shell and lower shell body, upper shell and upper magnetic core and lower shell body and upper magnetic core is provided with seal ring (17).
7. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 6, it is characterized in that: described rubber spring is also provided with reinforced block (18), described reinforced block is provided with liquid filling hole (19) and exhaust port (20), described connecting rod upper end is fixedly connected with reinforced block by the center screw thread of reinforced block.
8. the magnetorheological hydraulic engine mount based on all Radial Flow patterns according to claim 1-7 any one, is characterized in that: described housing is made by every magnetic aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410323729.2A CN104074919B (en) | 2014-07-09 | 2014-07-09 | Based on the magnetorheological hydraulic engine mount of all Radial Flow patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410323729.2A CN104074919B (en) | 2014-07-09 | 2014-07-09 | Based on the magnetorheological hydraulic engine mount of all Radial Flow patterns |
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| Publication Number | Publication Date |
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| CN104074919A CN104074919A (en) | 2014-10-01 |
| CN104074919B true CN104074919B (en) | 2016-02-24 |
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| CN201410323729.2A Expired - Fee Related CN104074919B (en) | 2014-07-09 | 2014-07-09 | Based on the magnetorheological hydraulic engine mount of all Radial Flow patterns |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439015A (en) * | 2016-11-04 | 2017-02-22 | 西安航空动力控制科技有限公司 | Guide sleeve sealing structure for end face high-pressure large-drift-diameter oil way |
| CN107351918A (en) * | 2017-06-19 | 2017-11-17 | 南京航空航天大学 | A kind of magnetic rheology elastic body body mount |
| KR102371005B1 (en) | 2017-07-15 | 2022-03-04 | 현대자동차주식회사 | Engine mount |
| CN108071731B (en) * | 2018-02-01 | 2024-03-01 | 华东交通大学 | Magnetorheological vibration absorber adopting radial arrangement of multiple exciting coils |
| CN109404475B (en) * | 2018-12-12 | 2020-09-08 | 重庆交通大学 | Variable decoupling film rigidity mixed mode magneto-rheological vibration isolator |
| CN109915533B (en) * | 2019-03-28 | 2020-06-30 | 吉林大学 | Multi-inertia-channel semi-active control hydraulic suspension based on magnetorheological fluid |
| CN110259873B (en) * | 2019-06-28 | 2021-03-02 | 重庆交通大学 | Mixed-mode magneto-rheological vibration isolator |
| CN110630678B (en) * | 2019-09-23 | 2021-02-09 | 安徽誉林汽车部件有限公司 | Engine hydraulic suspension structure capable of prolonging inertia channel |
| CN113513558B (en) * | 2021-07-07 | 2022-11-11 | 深圳市朝上科技有限责任公司 | High-output-force vibration isolation suspension based on hybrid damping mode |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19617840C2 (en) * | 1996-05-03 | 2000-07-20 | Metzeler Gimetall Ag | Two-chamber engine mount with decoupling device |
| CN2462145Y (en) * | 2000-04-24 | 2001-11-28 | 邱玲 | Magnetic fluid variable damper |
| DE10346309A1 (en) * | 2003-10-06 | 2005-04-28 | Trelleborg Automotive Tech Ct | Hydraulically damped flexible bearing for road vehicle internal combustion engine has narrow damping channel in piston moved up and down by magnetic coils connected to control module |
| JP2004301333A (en) * | 2004-06-01 | 2004-10-28 | Toyo Tire & Rubber Co Ltd | Liquid sealing type vibration absorption device |
| CN100588853C (en) * | 2008-05-07 | 2010-02-10 | 浙江骆氏减震件股份有限公司 | Engines damping-variable suspending shock-absorbing device |
| CN102829127B (en) * | 2012-09-20 | 2014-02-12 | 重庆大学 | Magneto-rheological damper of automobile engine suspension system |
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