CN110286701A - A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control - Google Patents
A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control Download PDFInfo
- Publication number
- CN110286701A CN110286701A CN201910702133.6A CN201910702133A CN110286701A CN 110286701 A CN110286701 A CN 110286701A CN 201910702133 A CN201910702133 A CN 201910702133A CN 110286701 A CN110286701 A CN 110286701A
- Authority
- CN
- China
- Prior art keywords
- cantilever type
- type elastic
- vibration
- elastic supporting
- supporting member
- 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.)
- Pending
Links
- 230000008447 perception Effects 0.000 claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013528 artificial neural network Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Support Of The Bearing (AREA)
Abstract
A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control, is related to a kind of elastic supporting part.The present invention is to solve the problems, such as that existing cantilever type elastic supporting structure effectiveness in vibration suppression is bad and effectively, initiatively the vibrational energy of rotor can not be inhibited to the problem of transmission of stator casing.The present invention includes rotor, bearing, stator part and external power supply, the described device further includes cantilever type elastic supporting member, vibration perception unit and active control unit, the left end of elastic supporting part is connect with vibration perception unit, the right end inner ring of cantilever type elastic supporting member is connect by bearing with rotor, the right end outer ring of cantilever elastic support part is connect with active control unit, and stator part is mounted on active control unit；Active control unit is connect with vibration perception unit by external power supply.The present invention is applied to energy source and power technical field.
Description
Technical field
The present invention relates to a kind of elastic supporting parts, and in particular to a kind of rotating machinery cantilevered bullet of intelligent vibration control
Property bearing part, belongs to energy source and power technical field.
Background technique
In the high-speed rotating machines such as traditional aero-engine, gas turbine, the supporting structure of rotor-support-foundation system is usually adopted
With cantilever type elastic supporting structure, such as rod-pulling type, squirrel-cage etc., the elastic bearing of traditional structure generally only serves adjusting rotor
The effect of system stiffness, and material damping can only be often relied on for the damping effect of rotor-support-foundation system, effectiveness in vibration suppression it is micro- its
It is micro-.Therefore, a set of oil film damper in parallel is also needed in overall structural arrangement, constitutes bullet branch damper passive type vibration damping system
System.In practical applications, the shortcomings that this traditional bullet branch damper vibration damping structure is the vibration displacement of rotor of needing to rely on
There are when critical (such as revolving speed by) when certain peak value, and the extrusion effect of oil film can work, this just can not effectively,
Initiatively inhibit transmitting of the vibrational energy of rotor to stator casing, adds somewhat to the vibration noise of rotating machinery.
Summary of the invention
The present invention is that solve existing cantilever type elastic supporting structure effectiveness in vibration suppression bad and can not effectively, initiatively press down
The vibrational energy of rotor processed and then provides a kind of rotating machinery cantilevered of intelligent vibration control to the problem of transmission of stator casing
Elastic supporting part.
The technical solution adopted by the present invention to solve the above problem is as follows:
A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control, including rotor, bearing, stator part and outer
Portion's power supply, the described device further include cantilever type elastic supporting member, vibration perception unit and active control unit, elastic supporting part
The left end of part is connect with vibration perception unit, and the right end inner ring of cantilever type elastic supporting member is connect by bearing with rotor, cantilever
The right end outer ring of elastic supporting piece is connect with active control unit, and stator part is mounted on active control unit；Active control list
Member is connect with vibration perception unit by external power supply.
Further, the cantilever type elastic supporting member is an integral structure.
Further, the cantilever type elastic supporting member includes installation side, elastic deformable body and suspended wall end, the installation
Side, elastomer and suspended wall end are sequentially connected integrally from left to right.
Further, the cantilever type elastic supporting member is the cantilever type elastic supporting member of the rigid material of high-elastic alloy.
Further, the vibration perception unit includes piezoelectrics and analysis of vibration signal module, the piezoelectrics installation
On elastic deformable body；Piezoelectrics are connect with vibration analysis module, and vibration analysis module is connect by conducting wire with external power supply.
Further, the active control unit includes movement device pedestal, movement device, current amplifier and intelligent control mould
Block, the movement device pedestal are fixedly mounted on stator part, and movement device is mounted on the outer ring at suspended wall end, movement device and movement device
Pedestal is connect with current amplifier, and current amplifier is connect by conducting wire with intelligent control module.
The beneficial effects of the present invention are:
The deformable body that the vibration displacement of rotary machine rotor causes cantilever type elastic to support deforms, so as to cause piezoelectricity
Body generates voltage signal, constitutes oscillation of rotary machine rotor sensory perceptual system.Rotary machine rotor vibration can be established according to piezoelectric effect
Relationship between dynamic displacement and piezoelectrics output voltage, obtains the vibration data of rotary machine rotor by vibration analysis module；
It acts and is interacted between device pedestal and the movement device for being fixed on cantilever type elastic supporting extension arms end by electromagnetic force, it can be by defeated
The signal entered inhibits the deformation of cantilever type elastic bearing, and then realizes the active control of oscillation of rotary machine rotor, constitutes rotation
Mechanical oscillation active control system；Vibration analysis module believes the vibration that the piezoelectric signal of piezoelectrics is converted into rotary machine rotor
Number, in intelligent control module, passes through neural network method intelligent decision and generate feedback signal, then distinguish through current amplifier
Movement device pedestal and movement device are transported to, two-way interaction generates and the reversed electromagnetic force of oscillation of rotary machine rotor, realizes rotation
Turn the intelligent active control of mechanical rotor；The present invention being capable of intelligent decision, active control, the vibration that rotary machine rotor is effectively reduced
It is dynamic, solve the problems, such as that effectiveness in vibration suppression is bad in traditional elastic supporting structure.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of vibration perception unit；
Fig. 2 is active control system schematic diagram；
Fig. 3 is overall structure schematic illustration of the invention.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of intelligent vibration control of present embodiment in conjunction with Fig. 1 to Fig. 3
Rotating machinery cantilever type elastic bearing part 1, it includes rotor 10, bearing 11, stator part 9 and external power supply 8, and feature exists
In: the described device further includes cantilever type elastic supporting member 1, vibration perception unit and active control unit, elastic supporting part 1
Left end connect with vibration perception unit, the right end inner ring of cantilever type elastic supporting member 1 is connect by bearing 11 with rotor 10, outstanding
The right end outer ring of arm elastic supporting piece 1 is connect with active control unit, and stator part 9 is mounted on active control unit；Actively control
Unit processed is connect with vibration perception unit by external power supply 8.
The inner hole of the cantilever end 1-3 of 11 outer ring of bearing and cantilever elastic support part 1, by small transition, (slight interference is small
Gap) cooperation be set in together.
Specific embodiment 2: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, cantilever type elastic branch described in present embodiment
Bearing member 1 is an integral structure.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, cantilever type elastic branch described in present embodiment
Bearing member 1 includes installation side 1-1, elastic deformable body 1-2 and suspended wall end 1-3, the installation side 1-1, elastomer 1-2 and suspended wall end 1-
3 are sequentially connected integrally from left to right.
Other compositions are same as the specific embodiment one with connection relationship.
Specific embodiment 4: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, cantilever type elastic branch described in present embodiment
Bearing member 1 is the cantilever type elastic supporting member 1 of the rigid material of high-elastic alloy.Other compositions and connection relationship and one phase of specific embodiment
Together.
Specific embodiment 5: embodiment is described with reference to Fig. 1, vibration perception unit described in present embodiment includes pressure
Electric body 2 and analysis of vibration signal module 5, the piezoelectrics 2 are mounted on elastic deformable body 1-2；Piezoelectrics 2 and vibration analysis mould
Block 5 connects, and vibration analysis module 5 is connect by conducting wire with external power supply 8.
Piezoelectrics 2 are consolidated on the deformable body of cantilever type elastic bearing, the vibration displacement of rotary machine rotor causes cantilever
The elastic deformable body 1-2 of formula elastic supporting piece 1 deforms, and generates voltage signal so as to cause piezoelectrics 2, constitutes rotating machinery
Rotor oscillation sensory perceptual system.The vortex type vibration of rotary machine rotor causes the dynamic deformation of cantilever type elastic supporting member 1, is pressing
Dynamic voltage signal is generated on electric body 2, oscillation of rotary machine rotor displacement can be established according to piezoelectric effect and export electricity with piezoelectrics
Relationship between pressure is obtained the vibration data of rotary machine rotor by vibration analysis module 5, is formed and believed based on piezoelectrics piezoelectricity
Number oscillation of rotary machine rotor analysis method.
Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 6: embodiment is described with reference to Fig. 2, active control unit described in present embodiment includes dynamic
Make device pedestal 3, movement device 4, current amplifier 6 and intelligent control module 7, the movement device pedestal 3 and is fixedly mounted on stator part 9
On, movement device 4 is mounted on the outer ring of suspended wall end 1-3, and movement device 4 is connect with current amplifier 6 with movement device pedestal 3, electricity
Stream amplifier 6 is connect by conducting wire with intelligent control module 7.Movement device 4 is fixed on outstanding by interference or be bolted
On the outer ring of wall end 1-3, movement device pedestal 3 is mounted on stator part 9 by being set with or being bolted.
By size of current in control action device 4 and direction, electromagnetism is generated between movement device 4 and movement device pedestal 3
Active force, the vibration to active control rotor.It acts device pedestal 3 and is fixed on 1 cantilever end 1-3's of cantilever type elastic supporting member
It acts and is interacted between device 4 by electromagnetic force, the deformation of cantilever type elastic supporting member 1 can be inhibited by the signal of input, into
And realize the active control of oscillation of rotary machine rotor, constitute rotating machinery vibrating active control system.Vibration analysis module 5 will
The piezoelectric signal of piezoelectrics 2 is converted into the vibration signal of rotary machine rotor, in intelligent control module 7, passes through neural network
Method intelligent decision simultaneously generates feedback signal, then transports to movement device pedestal 3 and movement device 4, the two phase respectively through current amplifier 6
Interaction generation and the reversed electromagnetic force of oscillation of rotary machine rotor, realize the intelligent active control of rotary machine rotor.It is other
Composition and connection relationship are same as the specific embodiment one.
Working principle:
The present invention can be used for the measurement and active control of rotor of machine rotating at high speed vibration, such as aero-engine, combustion gas wheel
In the elastic support structure of the high-speed rotating machines such as machine.
When rotating machinery works, the deformable body that the vortex type vibration of rotor 10 causes cantilever type elastic to support occurs dynamic and becomes
Shape generates dynamic voltage signal so as to cause piezoelectrics.According to piezoelectric effect can establish oscillation of rotary machine rotor displacement with
Relationship between piezoelectrics output voltage obtains the vibration signal of rotary machine rotor by vibration analysis module.In intelligent control
In molding block, passes through neural network method intelligent decision vibration signal and generate feedback control signal, distinguish through current amplifier
Movement device pedestal and running device are transported to, two-way interaction generates and the reversed electromagnetic force of oscillation of rotary machine rotor, to press down
The deformation of cantilever type elastic bearing processed, realizes the intelligent active control of rotary machine rotor.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
For the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention, according to the technical essence of the invention,
Within the spirit and principles in the present invention, any simple modifications, equivalent substitutions and improvements to the above embodiments etc., still
Belong within the protection scope of technical solution of the present invention.
Claims (6)
1. a kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control, it includes rotor (10), bearing (11), quiet
Component (9) and external power supply (8), it is characterised in that: the described device further includes cantilever type elastic supporting member (1), vibration perception
The left end of unit and active control unit, cantilever type elastic supporting member (1) is connect with vibration perception unit, cantilever type elastic bearing
The right end inner ring of part (1) is connect by bearing (11) with rotor (10), the right end outer ring of cantilever type elastic supporting member (1) and active
Control unit connection, stator part (9) are mounted on active control unit；Active control unit and vibration perception unit pass through outside
Power supply (8) connection.
2. a kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control according to claim 1, feature
Be: the cantilever type elastic supporting member (1) is an integral structure.
3. a kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control according to claim 2, feature
Be: the cantilever type elastic supporting member (1) includes installation side (1-1), elastic deformable body (1-2) and suspended wall end (1-3), described
Installation side (1-1), elastomer (1-2) and suspended wall end (1-3) are sequentially connected integrally from left to right.
4. a kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control according to claim 2, feature
Be: the cantilever type elastic supporting member (1) is the cantilever type elastic supporting member (1) of the rigid material of high-elastic alloy.
5. a kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control according to claim 1, feature
Be: the vibration perception unit includes piezoelectrics (2) and analysis of vibration signal module (5), and the piezoelectrics (2) are mounted on bullet
On property deformable body (1-2)；Piezoelectrics (2) are connect with vibration analysis module (5), and vibration analysis module (5) passes through conducting wire and outside
Power supply (8) connection.
6. a kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control according to claim 1, feature
Be: the active control unit includes movement device pedestal (3), movement device (4), current amplifier (6) and intelligent control module
(7), the movement device pedestal (3) is fixedly mounted on stator part (9), and movement device (4) is mounted on the outer ring of suspended wall end (1-3)
On, movement device (4) is connect with current amplifier (6) with movement device pedestal (3), and current amplifier (6) passes through conducting wire and intelligence
Control module (7) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702133.6A CN110286701A (en) | 2019-07-31 | 2019-07-31 | A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702133.6A CN110286701A (en) | 2019-07-31 | 2019-07-31 | A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110286701A true CN110286701A (en) | 2019-09-27 |
Family
ID=68024424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910702133.6A Pending CN110286701A (en) | 2019-07-31 | 2019-07-31 | A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110286701A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379224Y (en) * | 1999-05-25 | 2000-05-24 | 武汉华源电力设备有限公司 | Rocking type coal unloading screen |
| CN101762368A (en) * | 2009-12-28 | 2010-06-30 | 嘉兴学院 | Elastomer dynamic response and vibration control test system under time varying load effect |
| CN103697099A (en) * | 2013-12-24 | 2014-04-02 | 武汉理工大学 | Differential magnetic suspension vibration isolator |
| CN108202587A (en) * | 2016-12-16 | 2018-06-26 | 比亚迪股份有限公司 | Suspension system, mounting structure and electric vehicle and its shock-absorbing control method |
| CN109185387A (en) * | 2018-11-12 | 2019-01-11 | 大连交通大学 | Elastic bearing active hydraulic shock-absorbing device and its rotor experiment table |
| CN210072424U (en) * | 2019-07-31 | 2020-02-14 | 中国船舶重工集团公司第七0三研究所 | Intelligent vibration control rotary mechanical cantilever type elastic supporting component |
-
2019
- 2019-07-31 CN CN201910702133.6A patent/CN110286701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2379224Y (en) * | 1999-05-25 | 2000-05-24 | 武汉华源电力设备有限公司 | Rocking type coal unloading screen |
| CN101762368A (en) * | 2009-12-28 | 2010-06-30 | 嘉兴学院 | Elastomer dynamic response and vibration control test system under time varying load effect |
| CN103697099A (en) * | 2013-12-24 | 2014-04-02 | 武汉理工大学 | Differential magnetic suspension vibration isolator |
| CN108202587A (en) * | 2016-12-16 | 2018-06-26 | 比亚迪股份有限公司 | Suspension system, mounting structure and electric vehicle and its shock-absorbing control method |
| CN109185387A (en) * | 2018-11-12 | 2019-01-11 | 大连交通大学 | Elastic bearing active hydraulic shock-absorbing device and its rotor experiment table |
| CN210072424U (en) * | 2019-07-31 | 2020-02-14 | 中国船舶重工集团公司第七0三研究所 | Intelligent vibration control rotary mechanical cantilever type elastic supporting component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5233254A (en) | Conical rotor for switched reluctance machine | |
| Wang et al. | Nonlinear dynamics of a magnetically supported rotor on safety auxiliary bearings | |
| Rens et al. | Design, analysis and realization of a novel magnetic harmonic gear | |
| CN102801358B (en) | Bi-directionally magnetically coupled and axially excited and limited rotating-shaft piezoelectric generator | |
| CN110286701A (en) | A kind of rotating machinery cantilever type elastic bearing part of intelligent vibration control | |
| US11525477B2 (en) | Fractal structure for power-generation of bearing rotating vibration | |
| CN103199631B (en) | Utilize rotor energy-storage system and the energy storage method of eddy energy | |
| CN210072424U (en) | Intelligent vibration control rotary mechanical cantilever type elastic supporting component | |
| CN109764080A (en) | A kind of oscillation of rotary machine rotor control system using shear thickening fluid damper | |
| CN102136777B (en) | Intelligent filtering and driving device | |
| CN203180653U (en) | Rotor energy storage system utilizing whirling energy | |
| Bao et al. | A wind energy conversion system with field modulated magnetic gear | |
| CN114458732B (en) | Gap type nonlinear energy trap applied to torsional vibration suppression of rotor system | |
| Mitchiner et al. | Centrifugal pendulum vibration absorbers—theory and practice | |
| CN217669477U (en) | Mechanical arm | |
| CN106884966B (en) | Web type cylindrical gear transmission piezoelectric vibration reduction transmission device and vibration reduction control method | |
| CN109538683A (en) | The damping ring stacked based on annular piezoelectric | |
| Erofeev et al. | Electromechanic installations vibration acceleration protection system | |
| CN215772761U (en) | Straight-through shaft type dynamic and static piezoelectric main shaft | |
| WO2023108528A1 (en) | Speed reducer, reduction drive system, and robot joint and robot comprising reduction drive system | |
| CN107359815B (en) | Radial tension-compression excited rotary piezoelectric generator | |
| CN209250397U (en) | A kind of micro-burst motor | |
| CN201486924U (en) | Magnetic suspension bearing supporting device of horizontal pump | |
| CN116537894A (en) | Self-adaptive regulating spring support component for engine rotor vibration | |
| CN108390491A (en) | A kind of noise reducing type servo motor casing being easily installed |
Legal Events
| 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 |