CN108708930A - Magnetic rheology elastic body pipe shock absorptor - Google Patents
Magnetic rheology elastic body pipe shock absorptor Download PDFInfo
- Publication number
- CN108708930A CN108708930A CN201810810183.1A CN201810810183A CN108708930A CN 108708930 A CN108708930 A CN 108708930A CN 201810810183 A CN201810810183 A CN 201810810183A CN 108708930 A CN108708930 A CN 108708930A
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- elastic body
- rheology elastic
- magnetic rheology
- clamping device
- connector
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 62
- 238000000518 rheometry Methods 0.000 title claims abstract description 48
- 230000035939 shock Effects 0.000 title claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 19
- 239000000806 elastomer Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
- F16F2228/066—Variable stiffness
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of magnetic rheology elastic body pipe shock absorptors, including four curved columns, coil, magnetic rheology elastic body, clamp system, connector, clamping devices；The clamping device is located at the centre of entire damper；Connector is laid with outside the clamping device, described connector one end is connected with clamping device；Described connector one end outer cover has coil, connector both sides to be connected respectively with a magnetic rheology elastic body；The magnetic rheology elastic body other end is connected with curved column；The curved column outer cover has coil；Clamp system is equipped between two adjacent curved columns；Four curved columns are connected into an annular solid by clamp system, while magnetic rheology elastic body and connector being clamped.The magnetic rheology elastic body pipe shock absorptor of the present invention can achieve the effect that shift frequency vibration damping according to the size of vibration into the change of line frequency, have universality to pipeline.
Description
Technical field
The invention belongs to pipe vibration vibration damping field, especially a kind of magnetic rheology elastic body pipe shock absorptor.
Background technology
Magnetic rheology elastic body is a new branch of magnetorheological materials, it is to mix the ferromagnetic particle of micro-meter scale
Into high molecular polymer, the performances consecutive variations such as mechanics, electricity, the magnetics of material are controlled under magnetic field environment, make its solidification,
To which the particle in matrix has chain or column structure, so with controllability, invertibity, the rapid contour technical characteristic of response,
Also have the advantages that stability is well equal unique, and overcomes magnetorheological fluid free settling, the shortcomings of stability is poor, thus magnetic in recent years
Preparation, mechanism and the application of magnetorheological elastomer are more and more paid attention to, and a hot spot of magnetorheological materials research is become.Mesh
Preceding magnetic rheology elastic body is successfully used for vibration and noise reducing field, such as suspension, bushing, bump leveller, shows wide answer
Use foreground.
Current pipe shock absorptor technology mostly uses greatly the absorbing damping technology of additional spring, rubber or metallic plate, although
Such damper plays certain damping effect, but the deflection of itself has the limit due to materials such as spring or rubber
Value cannot make corresponding adjustment so being limited for absorbing the vibrational energy transmitted according to the size or frequency of vibration,
Therefore do not have universality, need to be adjusted according to different pipelines.Magnetic rheology elastic body pipe shock absorptor is based on magnetorheological bullet
Property body has devised the damper suitable for pipeline under magnetic field environment the characteristics of stiffness change, which can be according to pipe Vibration
The difference of dynamic size and frequency makes corresponding adjustment to the size of current by coil, and it is big thus to change damper internal magnetic field
Small, magnetic rheology elastic body is made a response according to magnetic field power, is changed damper intrinsic frequency and is achieved the effect that shift frequency vibration damping, to big
Most pipelines are all applicable.
Invention content
The purpose of the present invention is to provide magnetic rheology elastic body pipe shock absorptors, overcome pipe-line system to be not easy to subtract to realize
Shake, existing pipe vibration-damping technology does not have the problems such as universality, by the characteristic of new material magnetic rheology elastic body, reach to more
Number pipeline has the effect of universality.
Realize that the technical solution of the object of the invention is：
A kind of magnetic rheology elastic body pipe shock absorptor, including four curved columns, coil, magnetic rheology elastic body, clamp system, companies
Fitting, clamping device；
The clamping device is located at the centre of entire damper；Connector is laid with outside the clamping device, it is described
Connector one end is connected with clamping device；Described connector one end outer cover has a coil, connector both sides respectively with a magnetic current
Become elastomer to be connected；The magnetic rheology elastic body other end is connected with curved column；The curved column outer cover has coil；Adjacent two
Clamp system is equipped between curved column；Four curved columns are connected into an annular solid by clamp system, at the same by magnetic rheology elastic body with
Connector clamps.
Compared with prior art, the present invention its remarkable advantage：
(1) magnetic rheology elastic body pipe shock absorptor of the invention can reach according to the size of vibration into the change of line frequency
The effect of shift frequency vibration damping has universality to pipeline.
(2) magnetic rheology elastic body pipe shock absorptor of the invention has 4 magnetic loops, more to the control of magnetic rheology elastic body
Add convenient and magnetic field utilization rate high.
(3) magnetic rheology elastic body pipe shock absorptor symmetrical structure of the invention, facilitates processing.
(4) magnetic rheology elastic body pipe shock absorptor clamping device of the invention is adjustable, facilitates the pipeline of clamping different tube diameters.
(5) magnetic rheology elastic body pipe shock absorptor of the invention expands vibration damping range by elastomer.
Present invention is further described in detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the overall structure diagram of magnetic rheology elastic body pipe shock absorptor of the present invention.
Fig. 2 is the structural schematic diagram of the connector of the present invention.
Fig. 3 is the structural schematic diagram of the clamp system of the present invention.
Fig. 4 is the structural schematic diagram of the magnetic rheology elastic body of the present invention.
Fig. 5 is magnetic circuit and direction inside magnetic rheology elastic body pipe shock absorptor of the present invention.
Specific implementation mode
In order to illustrate technical scheme of the present invention and technical purpose, below in conjunction with the accompanying drawings and specific embodiment is the present invention
It is further to introduce.
In conjunction with Fig. 1, a kind of magnetic rheology elastic body pipe shock absorptor of the invention, including it is four curved columns 4, coil 5, magnetorheological
Elastomer 3, clamp system 6, connector 2, clamping device 1；
The clamping device 1 is located at the centre of entire damper, pipeline is clamped；1 outside of the clamping device is uniformly distributed
Equipped with connector 2,2 one end of the connector is connected with clamping device 1；2 one end outer cover of the connector has coil 5, connection
2 both sides of part are connected with a magnetic rheology elastic body 3 respectively；3 other end of the magnetic rheology elastic body is connected with curved column 4；It is described curved
4 outer cover of column has coil 5；Clamp system 6 is equipped between two adjacent curved columns 4；Four curved columns are connected into one by clamp system 6
A annular solid, while magnetic rheology elastic body 3 and connector 2 being clamped.
In some embodiments, the connector 2 is a transmission pillar.
In other embodiment, in conjunction with Fig. 2, the connector 2 includes transmission pillar 10, sliding shoe 8, elastomer
9；10 one end outer cover of transmission pillar has coil 5, and the flexible body 9 of 5 outer cover of coil, is driven outside 10 other end of pillar
It is cased with sliding shoe 8；For the elastomer 9 between sliding shoe 8 and clamping device 1, elastomer 9 is in pre-compressed state；It is described
Transmission pillar 10 can be slided with respect to sliding shoe 8；When the pipe vibration in clamping device 1, vibration is passed by clamping device 1
It is delivered to transmission pillar 10, transmission pillar 10 is slided with respect to sliding shoe 8, and spacing becomes between clamping device 1 and sliding shoe 8 at this time
Change, elastomer 9 deforms upon, and plays further damping effect.
Further, the elastomer 9 is spring or rubber.
As an implementation, in conjunction with Fig. 3, the clamp system 6 includes clamping plate 11, adjusting nut 13, bolt 12；Institute
The both ends for stating curved column 4 are fixed with clamping plate 11；Multiple bolts 12 are equipped between two clamping plates 11 of 10 both sides of transmission pillar to be connected,
Adjusting nut 13 is connected with bolt 12, tightens nut 13, you can realizes the clamping of clamp system 6.
Preferably, the clamping device 1 includes clamping annulus, and the clamping annulus is equipped with multiple adjusting bolts 7, turns
Adjusting bolt 7 is fixed annulus is clamped with pipeline, can fix the pipeline of damper and various outer diameter.
In some embodiments, the clamping annulus is made of two semicircular rings, and two semicircular rings are bolted
Form an annulus.
Further, in conjunction with Fig. 4,3 both ends of the magnetic rheology elastic body are equipped with mounting hole, and the both ends of the curved column 4 are all provided with
Have a connecting pole, the both ends of sliding shoe 8 also are provided with connecting pole, the connecting pole of sliding shoe 8, curved column 4 connecting pole be connected to it is magnetorheological
In the mounting hole of elastomer 3, with the positioning installed, magnetic rheology elastic body 3 and sliding shoe 8, curved column 4 in vibration processes are avoided
Relative displacement occurs, keeps connection relatively reliable.
In conjunction with Fig. 5, in use, the clamp system 6 of the damper of the present invention is fixed with pipeline, fluid is managed when passing through pipeline
Road generates vibration, and vibration is transmitted to by clamping device on connector, in transmittance process a part of vibrational energy conversion in order to
The deformation energy of elastomer, damper control motor according to the size of vibration and provide direct current signal of corresponding size to coil, to
Four magnetic loops are generated inside damper, each magnetic loop is each passed through two neighboring magnetic rheology elastic body, due to size of current
Change, corresponding variation also has occurred in the magnetic field power in damper, and the rigidity of magnetic rheology elastic body and damping are all with magnetic
The variation of field changes, and so that the intrinsic frequency of damper is changed, to avoid the exciting signal frequency in pipe vibration
Resonance region plays the role of vibration and noise reducing.
Claims (7)
1. a kind of magnetic rheology elastic body pipe shock absorptor, which is characterized in that including four curved columns (4), coil (5), magnetorheological bullets
Property body (3), clamp system (6), connector (2), clamping device (1)；
The clamping device (1) is located at the centre of entire damper；It is laid with connector (2) outside the clamping device (1),
Described connector (2) one end is connected with clamping device (1)；Described connector (2) one end outer cover has coil (5), connector (2)
Both sides are connected with a magnetic rheology elastic body (3) respectively；Magnetic rheology elastic body (3) other end is connected with curved column (4)；It is described
Curved column (4) outer cover has coil (5)；Clamp system (6) is equipped between two adjacent curved columns (4)；Clamp system (6) is by four
Curved column connects into an annular solid, while magnetic rheology elastic body (3) and connector (2) being clamped.
2. magnetic rheology elastic body pipe shock absorptor according to claim 1, which is characterized in that the connector (2) includes
It is driven pillar (10), sliding shoe (8), elastomer (9)；Described transmission pillar (10) one end outer cover has coil (5), and coil
(5) the flexible body of outer cover (9) is driven outside pillar (10) other end and is cased with sliding shoe (8)；The elastomer (9), which is located at, to be slided
Between motion block (8) and clamping device (1), elastomer (9) is in pre-compressed state；The transmission pillar (10) can be with respect to sliding shoe
(8) it slides；When the pipe vibration in clamping device (1), vibration is transmitted to transmission pillar by clamping device (1)
(10), transmission pillar (10) is slided with respect to sliding shoe (8), and spacing changes between clamping device (1) and sliding shoe (8), bullet
Property body (9) deforms upon further vibration damping.
3. magnetic rheology elastic body pipe shock absorptor according to claim 1, which is characterized in that the elastomer (9) is bullet
Spring or rubber.
4. magnetic rheology elastic body pipe shock absorptor according to claim 1, which is characterized in that clamp system (6) packet
Include clamping plate (11), adjusting nut (13), bolt (12)；The both ends of the curved column (4) are fixed with clamping plate (11)；It is driven pillar
(10) it is equipped with multiple bolts (12) between two clamping plates (11) of both sides to be connected, adjusting nut (13) is connected with bolt (12), twists
Tight nut 13 realizes the clamping of clamp system 6.
5. magnetic rheology elastic body pipe shock absorptor according to claim 1, which is characterized in that clamping device (1) packet
Clamping annulus is included, the clamping annulus is equipped with multiple adjusting bolts (7), and annulus and pipeline will be clamped by turning adjusting bolt (7)
It is fixed.
6. magnetic rheology elastic body pipe shock absorptor according to claim 5, which is characterized in that the clamping annulus is by two
Semicircular ring is constituted, and two semicircular rings are bolted to form an annulus.
7. magnetic rheology elastic body pipe shock absorptor according to claim 1, which is characterized in that the magnetic rheology elastic body
(3) both ends are equipped with mounting hole, and the both ends of the curved column (4) are equipped with connecting pole, and the both ends of sliding shoe (8) are equipped with connecting pole, sliding
The connecting pole of motion block (8), the connecting pole of curved column (4) are connected in the mounting hole of magnetic rheology elastic body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810183.1A CN108708930B (en) | 2018-07-20 | 2018-07-20 | Magnetorheological elastomer pipeline damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810183.1A CN108708930B (en) | 2018-07-20 | 2018-07-20 | Magnetorheological elastomer pipeline damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108708930A true CN108708930A (en) | 2018-10-26 |
| CN108708930B CN108708930B (en) | 2023-10-31 |
Family
ID=63875291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810183.1A Active CN108708930B (en) | 2018-07-20 | 2018-07-20 | Magnetorheological elastomer pipeline damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708930B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654324A (en) * | 2019-02-28 | 2019-04-19 | 沈阳天眼智云信息科技有限公司 | Magnetorheological pipe vibration-damping system and oscillation damping method |
| CN110319150A (en) * | 2019-06-28 | 2019-10-11 | 南京理工大学 | Magnetic rheology elastic body-magnetorheological fluid compound vibration-damper for whirling vibration |
| CN110410612A (en) * | 2019-08-15 | 2019-11-05 | 武汉理工大学 | A kind of frequency modulation pipe shock absorptor based on magnetic rheology elastic body |
| CN115139497A (en) * | 2021-03-30 | 2022-10-04 | 南京航空航天大学 | Method for regulating and controlling machining quality of free bending pipe fitting by novel silicon rubber-based medium core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130127098A1 (en) * | 2011-11-23 | 2013-05-23 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | Variable differential mount apparatus using magnetorheological elastomer |
| CN106382325A (en) * | 2016-11-10 | 2017-02-08 | 南京理工大学 | Magnetorheological elastomer vibration isolator based on shearing-compression composite mode |
| CN107421729A (en) * | 2017-08-11 | 2017-12-01 | 南京理工大学 | A kind of MR elastomer vibration isolator dynamic performance testing system |
| CN107524741A (en) * | 2017-07-28 | 2017-12-29 | 上海工程技术大学 | A kind of magnetic rheology elastic body suspension members for wheel hub motor |
| CN108278319A (en) * | 2017-12-01 | 2018-07-13 | 北京理工大学 | A kind of dynamical system broadband magnetic rheology elastic body dynamic tuning bump leveller |
| CN208831577U (en) * | 2018-07-20 | 2019-05-07 | 南京理工大学 | Magnetic rheology elastic body pipe shock absorptor |
-
2018
- 2018-07-20 CN CN201810810183.1A patent/CN108708930B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130127098A1 (en) * | 2011-11-23 | 2013-05-23 | Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University) | Variable differential mount apparatus using magnetorheological elastomer |
| CN106382325A (en) * | 2016-11-10 | 2017-02-08 | 南京理工大学 | Magnetorheological elastomer vibration isolator based on shearing-compression composite mode |
| CN107524741A (en) * | 2017-07-28 | 2017-12-29 | 上海工程技术大学 | A kind of magnetic rheology elastic body suspension members for wheel hub motor |
| CN107421729A (en) * | 2017-08-11 | 2017-12-01 | 南京理工大学 | A kind of MR elastomer vibration isolator dynamic performance testing system |
| CN108278319A (en) * | 2017-12-01 | 2018-07-13 | 北京理工大学 | A kind of dynamical system broadband magnetic rheology elastic body dynamic tuning bump leveller |
| CN208831577U (en) * | 2018-07-20 | 2019-05-07 | 南京理工大学 | Magnetic rheology elastic body pipe shock absorptor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654324A (en) * | 2019-02-28 | 2019-04-19 | 沈阳天眼智云信息科技有限公司 | Magnetorheological pipe vibration-damping system and oscillation damping method |
| CN110319150A (en) * | 2019-06-28 | 2019-10-11 | 南京理工大学 | Magnetic rheology elastic body-magnetorheological fluid compound vibration-damper for whirling vibration |
| CN110410612A (en) * | 2019-08-15 | 2019-11-05 | 武汉理工大学 | A kind of frequency modulation pipe shock absorptor based on magnetic rheology elastic body |
| CN115139497A (en) * | 2021-03-30 | 2022-10-04 | 南京航空航天大学 | Method for regulating and controlling machining quality of free bending pipe fitting by novel silicon rubber-based medium core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108708930B (en) | 2023-10-31 |
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