CN108361269A - A kind of magnetic rheology elastic body washer and its control device - Google Patents
A kind of magnetic rheology elastic body washer and its control device Download PDFInfo
- Publication number
- CN108361269A CN108361269A CN201810186092.5A CN201810186092A CN108361269A CN 108361269 A CN108361269 A CN 108361269A CN 201810186092 A CN201810186092 A CN 201810186092A CN 108361269 A CN108361269 A CN 108361269A
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- CN
- China
- Prior art keywords
- elastic body
- washer
- rheology elastic
- magnetic rheology
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 71
- 238000000518 rheometry Methods 0.000 title claims abstract description 51
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 7
- 239000000806 elastomer Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 7
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000035882 stress Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
Abstract
The invention discloses a kind of magnetic rheology elastic body washer and its control devices, the magnetic rheology elastic body washer is made of the ferromagnetic particle of rubber matrix and microsize, with variation rigidity characteristic, the control device of the washer includes mainly electromagnet, adjustable source, pressure sensor and controller, collectively form feedback control loop, the rigidity of magnetic rheology elastic body washer can be adjusted in real time, the configuration of the present invention is simple, it is at low cost, washer can carry out self compensation to itself stress and deformation, the stability of fastener can be improved, the leakproofness of pipeline or valve body interface, extend the service life of washer, it is particularly suitable for safety, the high environment of precision requirement.
Description
Technical field
The invention belongs to elastomer washer fields, and in particular to one kind is based on magnetic rheology elastic body washer and its control dress
It sets.
Background technology
Elastomer washer is generally widely used in various mechanical equipments, the effects that playing liner, sealing, buffer.For example, washer
With in the fasteners, play the role of buffering cushioning to nut, washer is used in the interface of pipeline or valve body, can reduce because just
Body destroys caused by vibrating, and can play sealing function prevents fluid from leaking.In practical applications, common elastomer washer is steady
It is qualitative it is poor, service life is short, aging, relaxation, deformation are easy under various forms of load effects or under the corrosion of fluid,
To fail, failure is caused to the mechanical equipment in production, if these equipment are high-pressure bottle, pressure piping or nuclear power station
The middle equipment used, then can bring huge harm and loss.
Invention content
In order to overcome existing elastomer washer stability poor, it is easy to aging, failure and service life it is short the problems such as, the present invention
Provide a kind of magnetic rheology elastic body washer and its control device.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of magnetic rheology elastic body washer is provided, the washer body is magnetorheological elastomer material, has variation rigidity characteristic, pad
Cycle basis this shape is sheet, and single hole, porous or other irregularly-shaped holes are provided on ontology.
Further, the magnetorheological elastomer material is made of the ferromagnetic particle of rubber matrix and microsize,
The ferromagnetic particle can be uniformly distributed in the rubber matrix, can also press certain regular row as needed
Cloth.
A kind of control device of magnetic rheology elastic body washer is also provided, the control device includes electromagnet, adjustable economize on electricity
Source, pressure sensor and controller, the electromagnet magnetic rheology elastic body bead interior or around, adjustable power supply and electromagnetism
Iron phase connects and the current value of regulating winding, and the sensing element of pressure sensor is connected with magnetic rheology elastic body washer, disposed thereon
Surface or lower surface, controller connected adjustable power supply and pressure sensor, they collectively form a backfeed loop, can be real-time
Adjust the rigidity of magnetic rheology elastic body washer.
Further, the electromagnet can be wrapped up by non-magnetic metal-back and be embedded into magnetic rheology elastic body bead interior,
It can also be wrapped up and be fixed on around magnetic rheology elastic body washer by non-magnetic metal-back, it can be direct in the form of hot-wire coil
It is implanted to magnetic rheology elastic body bead interior, depending on actual use operating mode.
Further, the sensing element of the pressure sensor selects the first devices insensitive to electromagnetic field such as optical strain gauge strips
Part.
The present invention technical concept be：Magnetic rheology elastic body washer is under the magnetic fields of varying strength, the rigidity of itself
It can adjust, pressure sensor, electromagnet, adjustable source and controller collectively form a backfeed loop, pressure sensor
It is responsible for the pressure value that detection magnetic rheology elastic body washer is born, electromagnet can be that magnetic rheology elastic body washer carries as electromagnet
For the magnetic field of different demands, adjustable source is responsible for changing the electric current of electromagnet and then changes magnetic field intensity, and controller is responsible for connecing
The collection of letters number simultaneously makes feedback, and the stress of washer and shape is maintained to be always maintained at stabilization.
The beneficial effects of the invention are as follows：1）It, can be to washer rigidity using magnetorheological elastomer material as the ontology of washer
It is controlled, further increases automation, the intelligence degree of engineering goods；2）Change the magnetic around magnetic rheology elastic body washer
Field intensity can carry out self compensation to the stress and shape of the washer of relaxation, deformation, be allowed to meet duty requirements again, in turn
Washer service life can be extended；3）Can in real time it be changed according to magnetic rheology elastic body washer both sides rigid body vibration situation
The rigidity of magnetic field intensity and then adjusting washer (disk), plays cushioning effect, reduces the extent of the destruction of rigid body to a certain extent；4）Magnetic current
The situation of washer can be gone out with Real-time Feedback by becoming the control device of elastomer washer, and stability is high, is suitable for safety and precision
Degree requires high working environment；5）Magnetic rheology elastic body washer and its control device is simple in structure, at low cost, technology maturation, pole
Easily promote the use of in actual production.
The invention will be further described with specific implementation mode below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the electromagnet embedded magnetic rheological elastomer washer and its control device schematic diagram of the present invention.
Fig. 2 is the electromagnet external magnetic magnetorheological elastomer washer and its control device schematic diagram of the present invention.
Fig. 3 is the magnetic rheology elastic body washer and its control device schematic diagram of the implanted coil of the present invention.
Fig. 4 is the composition schematic diagram of the magnetic rheology elastic body washer of the present invention.
Fig. 5 is present invention application schematic diagram in pipeline connection.
In attached drawing, 1 it is magnetic rheology elastic body washer, 2 is non-magnetic metal-back, 3 is electromagnet, 4 is pressure sensor, 5
For adjustable source, 6 in order to control device, 7 be electromagnet, 8 be valve body or pipe joint, 9 be fastener.
Specific implementation mode
Referring to figs. 1 to Fig. 5, the invention will be further described, and the process is based on following form but is not limited to following
Form can be adjusted according to practical situations：
A kind of magnetic rheology elastic body washer, the washer body are magnetorheological elastomer material, have variation rigidity characteristic, washer base
This shape is sheet, and single hole, porous or other irregularly-shaped holes are provided on ontology.
Further, the magnetorheological elastomer material is made of the ferromagnetic particle of rubber matrix and microsize,
The ferromagnetic particle can be uniformly distributed in the rubber matrix, can also press certain regular row as needed
Cloth.
Also a kind of control device of magnetic rheology elastic body washer, the control device includes electromagnet 3, adjustable source
5, pressure sensor 4 and controller 6, the electromagnet 3 inside or around magnetic rheology elastic body washer 1, adjustable power supply 5 with
Electromagnet 3 is connected and the current value of regulating winding, the sensing element of pressure sensor 4 are connected with magnetic rheology elastic body washer 1, position
Surface or lower surface thereon, 6 connected adjustable power supply 5 of controller and pressure sensor 4, they collectively form one and feed back to
Road can adjust the rigidity of magnetic rheology elastic body washer 1 in real time.
Further, the electromagnet can be wrapped up by non-magnetic metal-back and be embedded into magnetic rheology elastic body bead interior,
It can also be wrapped up and be fixed on around magnetic rheology elastic body washer by non-magnetic metal-back, it can be direct in the form of hot-wire coil
It is implanted to magnetic rheology elastic body bead interior, depending on actual use operating mode.
Further, the sensing element of the pressure sensor selects the first devices insensitive to electromagnetic field such as optical strain gauge strips
Part.
In practical applications, as shown in figure 5, magnetic rheology elastic body washer 1 applies the connection for connecing 8 mouthfuls in two pipelines to seal
On, 3 embedded magnetic rheological elastomer washer 1 of electromagnet is selected herein, is located between two pipe joints 8, by bolt and nut
Fastening 9 is fixedly clamped, and the sensing element of pressure sensor 4 is located at the lower surface of magnetic rheology elastic body washer 1, electromagnet 3 by
The package of non-magnetic metal-back 2 is embedded in inside magnetic rheology elastic body washer 1, and adjustable source 5 is coupled, and controller 6 connects
Adjustable source 5 and pressure sensor 4, they collectively form a backfeed loop, can adjust magnetic rheology elastic body washer 1 in real time
Rigidity.When magnetic rheology elastic body washer 1 is relaxed, is thinned by load effect or flow-induced corrosion effect for a long time, suffered by
Pressure will reduce, pressure occurrence will be detected by pressure sensor 4 and send controller 6 to, controller 6 is according to pre-
Determine program to make a policy, order adjustable source increases the electric current in electromagnet 3 and then enhances around magnetic rheology elastic body washer 1
Magnetic field intensity, the washer under magnetic fields will occur the variation of microstructure, macroscopically show as the variation of rigidity, make magnetic
The stress and shape of magnetorheological elastomer washer 1 are restored to initial conditions, by such feedback regulation, can make magnetic rheology elastic body pad
Circle 1 is always held at optimum Working, and then extends its service life to a certain extent.
The present invention is exemplarily described in above-mentioned combination attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, it is all to use the inventive concept and technical scheme of the present invention and carry out insubstantial improvement, or the not improved structure by invention
Think and technical solution directly applies to other occasions, within protection scope of the present invention.
Claims (5)
1. a kind of magnetic rheology elastic body washer, which is characterized in that the washer body is magnetorheological elastomer material, has and becomes rigid
Characteristic is spent, the basic shape of washer is sheet, and single hole, porous or other irregularly-shaped holes are provided on ontology.
2. a kind of magnetic rheology elastic body washer according to claim 1, which is characterized in that the magnetic rheology elastic body material
Material is made of the ferromagnetic particle of rubber matrix and microsize, and the ferromagnetic particle can be in the rubber matrix
It is uniformly distributed, certain regular arrangement can also be pressed as needed.
3. a kind of control device of magnetic rheology elastic body washer, which is characterized in that the control device includes electromagnet, is adjusted
Power supply, pressure sensor and controller, the electromagnet magnetic rheology elastic body bead interior or around, adjustable power supply with electricity
Magnet is connected and the current value of regulating winding, the sensing element of pressure sensor are connected with magnetic rheology elastic body washer, is located at it
Upper surface or lower surface, controller connected adjustable power supply and pressure sensor, they collectively form a backfeed loop, can be real
When adjust magnetic rheology elastic body washer rigidity.
4. a kind of control device of magnetic rheology elastic body washer according to claim 3, which is characterized in that the electromagnet
Magnetic rheology elastic body bead interior can be wrapped up and be embedded by non-magnetic metal-back, can also be wrapped up simultaneously by non-magnetic metal-back
It is fixed on around magnetic rheology elastic body washer, can also be implanted directly into the form of hot-wire coil in magnetic rheology elastic body washer
Portion, depending on actual use operating mode.
5. a kind of control device of magnetic rheology elastic body washer according to claim 3, which is characterized in that the pressure passes
The sensing element of sensor selects the components insensitive to electromagnetic field such as optical strain gauge strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810186092.5A CN108361269A (en) | 2018-03-07 | 2018-03-07 | A kind of magnetic rheology elastic body washer and its control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810186092.5A CN108361269A (en) | 2018-03-07 | 2018-03-07 | A kind of magnetic rheology elastic body washer and its control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108361269A true CN108361269A (en) | 2018-08-03 |
Family
ID=63003828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810186092.5A Withdrawn CN108361269A (en) | 2018-03-07 | 2018-03-07 | A kind of magnetic rheology elastic body washer and its control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361269A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219988A (en) * | 2019-05-22 | 2019-09-10 | 河南理工大学 | A kind of high working face hydraulic support column cylinder mouth new type sealing device |
| CN112963414A (en) * | 2021-02-20 | 2021-06-15 | 浙江富春江水电设备有限公司 | Anti-loosening and anti-bending automatic compensation handle-closing bolt structure of large-scale clean energy equipment |
| CN114166646A (en) * | 2021-11-26 | 2022-03-11 | 武汉理工大学 | Testing device and testing method for creep and relaxation characteristics of magnetorheological elastomer under wide magnetic field |
| CN116498677A (en) * | 2023-06-25 | 2023-07-28 | 浙江省计量科学研究院 | Cushion pad based on magnetorheological elastomer and dynamic force calibration system |
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| US6514001B1 (en) * | 1999-12-29 | 2003-02-04 | Daimlerchrysler Corporation | Variable length shaft and method for making the same |
| US7143637B1 (en) * | 2003-04-11 | 2006-12-05 | Mcbrearty Michael | Dielectric slit die for in-line monitoring of liquids processing |
| CN100999061A (en) * | 2006-12-31 | 2007-07-18 | 广东工业大学 | Grinding polishing method based on magnetic rheology effect and its polishing device |
| CN201739418U (en) * | 2010-05-24 | 2011-02-09 | 谭和平 | Double-side intelligent magnetorheological damping pad |
| CN102673380A (en) * | 2012-01-18 | 2012-09-19 | 华南理工大学 | Built-in and suspension integrated hub motor drive electric wheel |
| CN204590520U (en) * | 2015-02-11 | 2015-08-26 | 李文新 | Hardness is adjustable damping sound insulating panel pad |
| 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 |
-
2018
- 2018-03-07 CN CN201810186092.5A patent/CN108361269A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514001B1 (en) * | 1999-12-29 | 2003-02-04 | Daimlerchrysler Corporation | Variable length shaft and method for making the same |
| US7143637B1 (en) * | 2003-04-11 | 2006-12-05 | Mcbrearty Michael | Dielectric slit die for in-line monitoring of liquids processing |
| CN100999061A (en) * | 2006-12-31 | 2007-07-18 | 广东工业大学 | Grinding polishing method based on magnetic rheology effect and its polishing device |
| CN201739418U (en) * | 2010-05-24 | 2011-02-09 | 谭和平 | Double-side intelligent magnetorheological damping pad |
| CN102673380A (en) * | 2012-01-18 | 2012-09-19 | 华南理工大学 | Built-in and suspension integrated hub motor drive electric wheel |
| CN204590520U (en) * | 2015-02-11 | 2015-08-26 | 李文新 | Hardness is adjustable damping sound insulating panel pad |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219988A (en) * | 2019-05-22 | 2019-09-10 | 河南理工大学 | A kind of high working face hydraulic support column cylinder mouth new type sealing device |
| CN112963414A (en) * | 2021-02-20 | 2021-06-15 | 浙江富春江水电设备有限公司 | Anti-loosening and anti-bending automatic compensation handle-closing bolt structure of large-scale clean energy equipment |
| CN112963414B (en) * | 2021-02-20 | 2022-09-06 | 浙江富春江水电设备有限公司 | Anti-loosening and anti-bending automatic compensation handle-closing bolt structure of large-scale clean energy equipment |
| CN114166646A (en) * | 2021-11-26 | 2022-03-11 | 武汉理工大学 | Testing device and testing method for creep and relaxation characteristics of magnetorheological elastomer under wide magnetic field |
| CN116498677A (en) * | 2023-06-25 | 2023-07-28 | 浙江省计量科学研究院 | Cushion pad based on magnetorheological elastomer and dynamic force calibration system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180803 |
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| WW01 | Invention patent application withdrawn after publication |