CN109764080A - A kind of oscillation of rotary machine rotor control system using shear thickening fluid damper - Google Patents
A kind of oscillation of rotary machine rotor control system using shear thickening fluid damper Download PDFInfo
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- CN109764080A CN109764080A CN201910184720.0A CN201910184720A CN109764080A CN 109764080 A CN109764080 A CN 109764080A CN 201910184720 A CN201910184720 A CN 201910184720A CN 109764080 A CN109764080 A CN 109764080A
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Abstract
A kind of oscillation of rotary machine rotor control system using shear thickening fluid damper involved according to the present invention, including the rotary machine rotor portion with shaft, at least one shear thickening fluid damper, at least one rotor oscillation transfer unit and test analysis unit, the vibrational energy of shaft is equally passed to shear thickening fluid damper by rotor oscillation transfer unit, shear thickening fluid damper exports variable damping force with the vibration frequency of shaft and the variation of vibration amplitude, then is reacted to variable damping force in shaft by rotor oscillation transfer unit；The vibration displacement signal of shaft is converted electric signal by test analysis unit, and real-time monitoring simultaneously analyzes the Vibration Condition in rotary machine rotor portion and the damping vibration attenuation effect of shear thickening fluid damper.So the present invention has the characteristics that passive, adaptive, structure is simple, it is highly suitable for the requirement that the control of rotor oscillation system is simplified.
Description
Technical field
The invention belongs to vibration control technology fields, and in particular to a kind of rotating machinery using shear thickening fluid damper
Rotor oscillation control system.
Background technique
Rotating machinery such as industrial compressors, steam turbine, aero-engine and various motor etc. is set as the core of industry
It is standby, it is widely used in the national economy such as aviation, electric power, petrochemical industry, metallurgy field.As modern rotating is towards enlargement, height
Speedization, efficient direction are developed, and the rigidity of rotary machine rotor reduces, flexibility increases, and cause the vibration problem of rotor further prominent
Out.Conference is crossed due to rotor oscillation, adverse effect is brought to the stable operation of unit, compressor emergency shutdown can be caused even to send out when serious
Raw destructiveness accident.Therefore the vibration for how reducing and controlling rotor becomes and guarantees the important of rotating machinery safe and stable operation
Link and one of the key technology of high-speed rotating machine development.
The method of the control of rotor oscillation at present mainly uses dynamic balancing technique, but dynamic balancing technique fails sometimes, and
It must be carried out when shutting down, can not accomplish online vibration control；Commonly rotor oscillation control method also mainly includes
Electromagnetic method, additional press film damper etc., but vibration control technology is still not perfect in many cases, such as electromagnetic method
It may not apply in non-ferrous material；If squeeze film damper design is improper to will increase dramatically the non-linear of oil-film force, dash forward
It sends out amount of unbalance biggish and will lead to damper failure, and is unobvious in the non-critical revolving speed area effectiveness in vibration suppression of rotor, and not
Real-time monitoring can be carried out according to Vibration Condition.
Adaptive damping control technology is the common method of rotor oscillation control, is such as made of electric/magnetic rheological liquid controllable dynamic
The SMART FLUID damper of force characteristic, by change electric/magnetic rheological fluid damper control electric current, adjust output damping force to turn
Son vibration carries out dynamic control, has a lot of research and application in rotor oscillation control field, and achieve good damping
Effectiveness in vibration suppression.But electric/magnetic rheological liquid is due to being respectively adopted dielectric particles, ferromagnetism solid particle is made, for a long time using easy
It precipitates, resistance to settling is poor, causes its rheology controllability to change, performance is unstable；Secondly in the application there is also
The defects of power consumption is big, magnetic structure is complicated, will increase the complexity of rotating machinery structure.Accordingly, it is desirable to obtain
A kind of structure is more simple, function admirable, can utilize the method for adaptive damping control oscillation of rotary machine rotor.
Summary of the invention
It is being carried out the present invention be directed to the defect of damping shock absorber in current rotating machinery and problem, and it is an object of the present invention to provide
A kind of oscillation of rotary machine rotor control system using shear thickening fluid damper, utilizes the Rate-dependency of shear thickening liquid
With shear thickening effect, larger and variable viscous damping force, the control of Lai Shixian rotatory mechanical system rotor oscillation are generated.
The present invention provides a kind of oscillation of rotary machine rotor control system using shear thickening fluid damper, features
It is, comprising: the rotary machine rotor portion with shaft；At least one shear thickening fluid damper；At least one rotor oscillation
Transfer unit；And test analysis unit,
Wherein, rotor oscillation transfer unit is socketed in shaft；
It is fixedly connected on the outside of shear thickening fluid damper and rotor oscillation transfer unit；
Current vortex sensor is used to acquire the vibration displacement signal of shaft, and the outside of shaft is arranged in,
Test analysis unit is used for real-time monitoring and analyzes the Vibration Condition and shear thickening liquid in rotary machine rotor portion
The damping vibration attenuation effect of damper.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It having a feature in that wherein, rotor oscillation transfer unit has rotor oscillation transmitting ring and additional bearing,
Additional bearing is socketed in shaft, and rotor oscillation transmitting ring is socketed on additional bearing.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, additional bearing is rolling bearings or plain bearings.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, shear thickening fluid damper includes piston rod, piston, upper end cover, lower cover and cylinder body, cylinder
The upper end of body has upper end cover, and the lower end of cylinder body has lower cover, has shear thickening liquid in cylinder body,
One end of piston rod is connect with rotor oscillation transmitting ring, and the other end passes through upper end cover and enters in cylinder body,
The middle section of piston rod is arranged in piston, as the movement of piston rod moves back and forth in cylinder body.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, shear thickening liquid is Polymer Solution.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, test analysis unit includes that current vortex sensor, connecting terminal, signal conditioning module, data are adopted
Truck and analysis module,
Current vortex sensor is fixed on the outside of shaft by cordless, acquires the vibration displacement signal of shaft and incites somebody to action
The vibration displacement signal is converted into initial electrical signal,
One end of connecting terminal and current vortex sensor communicate to connect, and the other end and signal conditioning module communicate to connect, and connect
Initial electrical signal is accessed signal conditioning module by line terminals, which is rectified initial electrical signal, filter and
Analog electrical signal is obtained after amplification,
Data collecting card one end and signal conditioning module communicate to connect, and the other end and analysis module communicate to connect, and data are adopted
Analog electrical signal is converted into digital electric signal by truck, and the digital electric signal is input in analysis module.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, rotary machine rotor portion is fixed on the surface of first foundation, one end of shear thickening fluid damper
It is fixed on the surface on the second basis, is fixedly connected on the outside of the other end and rotor oscillation transfer unit,
The surface of first foundation and the surface on the second basis are mutually perpendicular to.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, rotary machine rotor portion is fixed on the surface of first foundation, one end of shear thickening fluid damper
It is fixed on the surface on the second basis, is fixedly connected on the outside of the other end and rotor oscillation transfer unit,
The surface of first foundation is parallel with the surface on the second basis.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It having a feature in that wherein, rotary machine rotor portion is fixed on the surface of first foundation,
One end of one shear thickening fluid damper is fixed on the surface on the second basis, and the other end and rotor oscillation transmitting are single
The outside of member is fixedly connected,
One end of another shear thickening fluid damper is fixed on the surface on third basis, and the other end and rotor oscillation are transmitted
It is fixedly connected on the outside of unit,
The surface of first foundation is parallel with the surface on the second basis, and the surface of first foundation and the surface on third basis are hung down
Directly.
It, can be in the oscillation of rotary machine rotor control system provided by the invention using shear thickening fluid damper
It has a feature in that wherein, at least two rotor oscillation transfer units, each rotor oscillation transfer unit is installed in shaft
On a shear thickening fluid damper is at least installed.
The action and effect of invention
The oscillation of rotary machine rotor control system of application shear thickening fluid damper, rotor involved according to the present invention
Vibration transfer unit is socketed in shaft, and the vibrational energy of shaft is equally passed to shear thickening fluid damper；Traditional magnetic
The control of rheology fluid damper is generally switch control or Discrete control, and the variation of voltage or electric current is step, that is, provides
Damping force is not continuous, and shear thickening fluid damper of the invention is with the vibration frequency of shaft and the variation of vibration amplitude
Variable damping force is exported, then is reacted to variable damping force in shaft by rotor oscillation transfer unit, to reach adaptive
Answer the effect of damping vibration attenuation；The vibration displacement signal of shaft is converted initial electrical signal by test analysis unit, and real-time monitoring is simultaneously
The Vibration Condition in rotary machine rotor portion and the damping vibration attenuation effect of shear thickening fluid damper are analyzed, convenient for according to practical feelings
Condition adjusts the installation number and installation site of shear thickening fluid damper.So application shearing according to the present invention increases
The oscillation of rotary machine rotor control system of magma damper has the characteristics that passive, adaptive and structure is simple, very suitable
The requirement simplified for the control of rotor oscillation system.
Detailed description of the invention
Fig. 1 is the oscillation of rotary machine rotor control system using shear thickening fluid damper in the embodiment of the present invention one
The structural schematic diagram of system；
Fig. 2 is the structural representation of the rotor oscillation transfer unit and shear thickening fluid damper in the embodiment of the present invention one
Figure；
Fig. 3 is the structural schematic diagram of the shear thickening fluid damper in the embodiment of the present invention one；
Fig. 4 is the test analysis cellular construction schematic diagram in the embodiment of the present invention one；
Fig. 5 is the shear thickening fluid damper schematic view of the mounting position in the embodiment of the present invention two；And
Fig. 6 is the shear thickening fluid damper schematic view of the mounting position in the embodiment of the present invention three.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
It applies example combination attached drawing and the present invention is specifically addressed using the oscillation of rotary machine rotor control system of shear thickening fluid damper.
<embodiment one>
Vibration damping basic principle of the invention is: rotating machinery generates excessive vibration due to various reasons at work,
Oscillation of rotary machine rotor larger part installs shear thickening fluid damper, and one end of shear thickening fluid damper is fixed on basis
On, the vibrational energy that shaft generates is passed to the piston rod of shear thickening fluid damper by the vibration transmitting ring in shaft,
Piston rod band piston moves back and forth in shear thickening fluid damper, makes shear thickening liquid and shear thickening fluid damper
Piston generate relative motion, rub, thermal energy consumption converted by mechanical energy by vibrational energy and is dissipated.Shear thickening liquid due to
Have shear thickening effect and Rate-dependency, can be generated in a certain range with the increase of vibration frequency and vibration amplitude fast
The damping force that speed increases exports variable damping force, has the function that self-adaptive damping vibration damping.In addition, can also be according to actual needs
The shear thickening liquid damping material of different damping performance is placed in damper cylinder body；It can also be by designing various sizes of work
Plug adjusts the overall performance of the controlling measurements shear thickening fluid dampers such as fluid gap.
Fig. 1 is the oscillation of rotary machine rotor control system using shear thickening fluid damper in the embodiment of the present invention one
The structural schematic diagram of system.
As shown in Figure 1, the oscillation of rotary machine rotor control system using shear thickening fluid damper has rotating machinery
Rotor portions 1, rotor oscillation transfer unit 2, shear thickening fluid damper 3 and test analysis unit.
Rotary machine rotor portion 1 has shaft 11, shaft coupling 12, motor 13, bearing 14 and wheel disc 15.Shaft 11 passes through
Shaft coupling 12 is connect with motor 13, and the power that motor 13 provides passes to shaft 11 by shaft coupling 12, and 14 one end of bearing are fixed
On first foundation 51, another end cap supports the normal operation of shaft 11 in shaft 11.One 14 setting of bearing connects in shaft 11
One end of nearly shaft coupling 12, the one end of shaft 11 far from shaft coupling 12 is arranged in another.
Wheel disc 15 is socketed in the outside of shaft 11, on the effect of vibration to shaft 11 of wheel disc 15.
In the present embodiment, wheel disc can be impeller, blade, gear etc..
Rotor oscillation transfer unit 2 is socketed in the position that shaft 11 needs to carry out vibration control.
Shear thickening fluid damper 3 is fixed on the second basis 52.
The piston rod 31 that shear thickening fluid damper 3 includes is fixedly connected with rotor oscillation transfer unit 2.
Current vortex sensor 41 in test analysis unit is fixed at the outside of shaft 11 by cordless, adopts
Then the vibration displacement signal for collecting shaft 11 converts initial electrical signal for the vibration displacement signal.
The vibration equivalent of shaft 1 is passed to shear thickening fluid damper 3, shear thickening by rotor oscillation transfer unit 2
Fluid damper 3 exports variable damping force with the vibration frequency of shaft and the variation of vibration amplitude, then is transmitted by rotor oscillation
Unit 2 reacts to damping force in shaft 11, and damping force is transmitted to rotary machine rotor portion 1 by shaft 11 again, to reach
The purpose of self-adaptive damping vibration damping.
In the present embodiment, because the top of shaft 11 there are enough spaces, vertically installed in the top of shaft 11
Shear thickening fluid damper 3.
Shear thickening fluid damper 3 is fixed on the second basis 52, and the second basis 52 is located at the top of first foundation 51, the
The surface on two bases 52 is parallel with 51 surface of first foundation, and piston rod 31 is vertical with the surface of first foundation 51.
In the present embodiment, basis refers to a fixed structure of platform or platform connection, can be vibration-isolating platform, case
Body or ground.
Fig. 2 is the structural representation of the rotor oscillation transfer unit and shear thickening fluid damper in the embodiment of the present invention one
Figure.
Fig. 3 is the structural schematic diagram of the shear thickening fluid damper in the embodiment of the present invention one.
As shown in Figures 2 and 3, there is rotor oscillation transfer unit 2 additional bearing 21 and rotor oscillation to transmit ring 22.
Additional bearing 21 is socketed in shaft 11, and rotor oscillation transmitting ring 22 is socketed on additional bearing 21, additional bearing
The vibration of shaft 11 is passed to rotor oscillation transmitting ring 22 by 21.
Additional bearing 21, which can be rolling bearings or plain bearings etc., can play the role of vibrating any bearing of transmitting.
The outside that ring 22 is transmitted in rotor oscillation has the screw hole adaptable with the outer diameter of piston rod 31, the top of piston rod 31
Holding has the external screw thread being adapted with the screw hole, and rotor oscillation transmitting ring 22 is connected through a screw thread with piston rod 31.
Shear thickening fluid damper 3 is made of piston rod 31, piston 35, upper end cover 32, lower cover 33 and cylinder body 34.On
End cap 32 covers the upper end in cylinder body 34, and lower cover 33 covers the lower end in cylinder body 34, and three closes to form a cavity, in the cavity
Full of shear thickening liquid.Piston rod 31 passes through upper cylinder cover 32 and enters in cylinder body 34, piston rod 31 be located at one end outside cylinder body 34 and
Rotor oscillation transfer unit 2 is fixedly connected.The vibration equivalent of shaft 11 is passed to piston rod 31 by vibration transfer unit 2, living
Stopper rod 31 with piston 35 with shaft 11 vibration full of shear thickening liquid cylinder body 34 in move back and forth, continuous shear scissors
Cut thickening fluid.With the frequency and amplitude difference for crossing vibration, shear thickening fluid viscosity changes, to realize that self-adaptive damping variable is defeated
Out, passive energy dissipation is realized.
Shear thickening fluid damper 3 can be increased rapidly with the vibration frequency of shaft 11 and the increase generation of vibration amplitude
Damping force, export variable damping force.
In the present embodiment, shear thickening liquid is Polymer Solution.
Fig. 4 is the test analysis cellular construction schematic diagram in the embodiment of the present invention one.
As shown in figure 4, test analysis unit has current vortex sensor 41, connecting terminal 42, signal conditioning module 43, number
According to capture card 44 and analysis module 45.
One end of current vortex sensor 41 and connecting terminal 42 communicate to connect, and the other end is fixed on by cordless to be turned
Then the outside of axis 11, the vibration displacement signal for acquiring shaft 11 convert initial electrical signal for the vibration displacement signal.
One end of connecting terminal 42 and current vortex sensor 41 communicate to connect, the other end and 43 communication link of signal conditioning module
It connects, initial electrical signal is accessed signal conditioning module 43 by connecting terminal 42, and signal conditioning module 43 carries out initial electrical signal whole
Analog electrical signal is obtained after stream, filtering and amplification.
44 one end of data collecting card and signal conditioning module 43 communicate to connect, and the other end and analysis module 45 communicate to connect,
Analog electrical signal is converted into digital electric signal by data collecting card 44, and the digital electric signal is input in analysis module 45,
Pre-set programs real-time monitoring in analysis module 45 and Vibration Condition and the damping of shear thickening liquid for analyzing rotary machine rotor portion 1
The damping vibration attenuation effect of device 3.
Analysis module 45 is arranged in computer, the Vibration Condition and shear thickening fluid damper 3 in rotary machine rotor portion 1
Damping vibration attenuation effect be intuitively presented on the screen of computer in real time, according to monitoring analysis result to shear thickening liquid damp
The installation number and installation site of device adjust.
<embodiment two>
In the present embodiment, for being identically numbered with structure identical in embodiment one use and omitting identical explanation.
In the present embodiment, except the installation site of shear thickening fluid damper 3, remaining is identical with embodiment one.
In the present embodiment, because the horizontal direction of shaft 11 there are enough spaces, pacify in the horizontal direction of shaft 11
Fill shear thickening fluid damper 3.
Fig. 5 is the shear thickening fluid damper schematic view of the mounting position in the embodiment of the present invention two.
As shown in figure 5, shear thickening fluid damper 3 is fixed on third basis 53, third basis 53 and first foundation 51
Surface is vertical, and piston rod 31 is parallel with the surface of first foundation 51.
<embodiment three>
In the present embodiment, for being identically numbered with structure identical in embodiment one use and omitting identical explanation.
In the present embodiment, except the quantity and installation site of shear thickening fluid damper 3, remaining and complete phase in embodiment one
Together.
In the present embodiment, because the horizontal direction of shaft 11 and vertical direction have enough spaces, in shaft 11
Horizontal direction and vertical direction one shear thickening fluid damper 3 is respectively installed.Two shear thickening fluid dampers 3 are taken, respectively
It is named as shear thickening fluid damper 3A and shear thickening fluid damper 3B.
Fig. 6 is the shear thickening fluid damper schematic view of the mounting position in the embodiment of the present invention three.
As shown in fig. 6, shear thickening fluid damper 3A and shear thickening fluid damper 3B transmit ring 22 with rotor oscillation
Outside screw connection.
Shear thickening fluid damper 3A is fixed on the second basis 52, and the second basis 52 is located at the top of first foundation 51,
The surface on the second basis 52 is parallel with 51 surface of first foundation, and piston rod 31A is vertical with the surface of first foundation 51.
Shear thickening fluid damper 3B is fixed on third basis 53, and third basis 53 is vertical with 51 surface of first foundation,
Piston rod 31B is parallel with the surface of first foundation 51.
<example IV>
In the present embodiment, for being identically numbered with structure identical in embodiment one use and omitting identical explanation.
In the present embodiment, except the quantity and installation site of rotor oscillation gear unit 2 and shear thickening fluid damper 3
Outside, remaining is identical with embodiment one.
Can one rotor oscillation be installed respectively and be driven with needs, multiple suitable positions in shaft according to the actual situation
Unit 2 on each rotor oscillation gear unit 2, can install one or more shearings along the radial different directions of shaft and increase
Magma damper 3 can be placed on any position on rotor axial, while inhibiting rotary machine rotor as long as space allows
Level, vertical direction or the vibration of any position in portion 1.
The action and effect of embodiment
The oscillation of rotary machine rotor control system that shear thickening fluid damper is applied according to involved in the present embodiment, turns
Sub- vibration transfer unit is socketed in shaft, and the vibrational energy of shaft is equally passed to shear thickening fluid damper；Tradition
The control of magnetic rheological liquid damper is generally switch control or Discrete control, and the variation of voltage or electric current is step, that is, provides
Damping force be not continuous, and the shear thickening fluid damper of the present embodiment is with the vibration frequency and vibration amplitude of shaft
Variation output variable damping force, then reacted to variable damping force in shaft by rotor oscillation transfer unit, to reach
The effect of self-adaptive damping vibration damping；The vibration displacement signal of shaft is converted initial electrical signal by test analysis unit, supervises in real time
The Vibration Condition in rotary machine rotor portion and the damping vibration attenuation effect of shear thickening fluid damper are surveyed and analyze, convenient for according to reality
Border situation adjusts the installation number and installation site of shear thickening fluid damper.So application involved in the present embodiment
The oscillation of rotary machine rotor control system of shear thickening fluid damper has the characteristics that passive, adaptive and structure is simple,
It is highly suitable for the requirement that the control of rotor oscillation system is simplified.
In addition, additional bearing is socketed in shaft, rotor oscillation transmitting ring is socketed on additional bearing, and additional bearing is rolling
The vibration equivalent of shaft is passed to rotor oscillation transmitting ring by dynamic bearing or sliding bearing.
In addition, all being needed currently used for rotor oscillation control electricity consumption/magnetic rheological liquid damper due to being controlled by electric and magnetic fields
Biggish additional source of energy is wanted to provide the control to electric and magnetic fields, the shear thickening fluid damper of the present embodiment is molten using macromolecule
Liquid is controlled by shear rate field, therefore does not depend on extraneous additional source of energy, does not need external energy and complicated magnetic structure,
Structure is simple, not will increase the complexity of rotating machinery structure.
In addition, the vibration displacement signal of shaft is passed to analysis mould by the current vortex sensor that test analysis unit has
Block, so that the Vibration Condition and shear thickening liquid of program real-time monitoring and analysis rotary machine rotor portion built in analysis module
The damping vibration attenuation effect of damper, so as to the subsequent classification and shear thickening fluid damper for according to circumstances modulating shear thickening liquid
Installation site.
In addition, installation number and position are flexible, can be installed according to the actual situation with needs, the suitable position in shaft
Shear thickening fluid damper can also place damper in multiple directions, multiple positions in single direction, single location,
As long as space allows, it can be placed on any position on rotor axial, the horizontal, vertical of rotary machine rotor portion can be inhibited simultaneously
The vibration in direction or any position.
Above embodiment is preferred case of the invention, the protection scope being not intended to limit the invention.
Claims (10)
1. a kind of oscillation of rotary machine rotor control system using shear thickening fluid damper characterized by comprising
Rotary machine rotor portion with shaft；
At least one shear thickening fluid damper；
At least one rotor oscillation transfer unit；And
Test analysis unit including current vortex sensor,
Wherein, the rotor oscillation transfer unit is socketed in the shaft；
It is fixedly connected on the outside of the shear thickening fluid damper and the rotor oscillation transfer unit；
The current vortex sensor is used to acquire the vibration displacement signal of the shaft, and the outside of the shaft is arranged in,
The test analysis unit is for real-time monitoring and analyzes the Vibration Condition in the rotary machine rotor portion and described cuts
Cut the damping vibration attenuation effect of thickening fluid damper.
2. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, the rotor oscillation transfer unit has rotor oscillation transmitting ring and additional bearing,
The additional bearing is socketed in the shaft,
The rotor oscillation transmitting ring is socketed on the additional bearing.
3. the oscillation of rotary machine rotor control system according to claim 2 using shear thickening fluid damper, special
Sign is:
Wherein, the additional bearing is rolling bearings or plain bearings.
4. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, the shear thickening fluid damper includes piston rod, piston, upper end cover, lower cover and cylinder body,
The upper end of the cylinder body has the upper end cover, and the lower end of the cylinder body has the lower cover,
Shear thickening liquid is filled in the cylinder body,
One end of the piston rod is connect with rotor oscillation transmitting ring, and the other end passes through the upper end cover and enters the cylinder
In vivo,
The middle section of the piston rod is arranged in the piston, as the movement of the piston rod moves back and forth in the cylinder body.
5. the oscillation of rotary machine rotor control system according to claim 4 using shear thickening fluid damper, special
Sign is:
Wherein, the shear thickening liquid is Polymer Solution.
6. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, the test analysis unit include current vortex sensor, connecting terminal, signal conditioning module, data collecting card with
And analysis module,
The current vortex sensor is fixed on the outside of the shaft by cordless, acquires the vibration displacement of the shaft
Signal simultaneously converts initial electrical signal for the vibration displacement signal,
One end of the connecting terminal and the current vortex sensor communicate to connect, and the other end is communicated with the signal conditioning module
The initial electrical signal is accessed the signal conditioning module by connection, the connecting terminal, which will be described first
Beginning electric signal obtains analog electrical signal after being rectified, filtered and being amplified,
Described data collecting card one end and the signal conditioning module communicate to connect, the other end and the analysis module communication link
It connects, the analog electrical signal is converted into digital electric signal by the data collecting card, and the digital electric signal is input to described
In analysis module.
7. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, the rotary machine rotor portion is fixed on the surface of first foundation,
One end of the shear thickening fluid damper is fixed on the surface on the second basis, and the other end and rotor oscillation transmitting are single
The outside of member is fixedly connected,
The surface of the first foundation and the surface on second basis are mutually perpendicular to.
8. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, the rotary machine rotor portion is fixed on the surface of first foundation,
One end of the shear thickening fluid damper is fixed on the surface on the second basis, and the other end and rotor oscillation transmitting are single
The outside of member is fixedly connected,
The surface of the first foundation is parallel with the surface on second basis.
9. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, the rotary machine rotor portion is fixed on the surface of first foundation,
One end of one shear thickening fluid damper is fixed on the surface on the second basis, and the other end and the rotor oscillation pass
It passs and is fixedly connected on the outside of unit,
One end of another shear thickening fluid damper is fixed on the surface on third basis, the other end and the rotor oscillation
It is fixedly connected on the outside of transfer unit,
The surface of the first foundation is parallel with the surface on second basis,
The surface of the first foundation is vertical with the surface on the third basis.
10. the oscillation of rotary machine rotor control system according to claim 1 using shear thickening fluid damper, special
Sign is:
Wherein, at least two rotor oscillation transfer units are installed in the shaft,
One shear thickening fluid damper is at least installed on each rotor oscillation transfer unit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979733A (en) * | 2019-12-11 | 2020-04-10 | 兰州飞行控制有限责任公司 | Rotary damper testing device and method |
| CN113090710A (en) * | 2021-03-23 | 2021-07-09 | 南京航空航天大学 | Annular shear thickening fluid type damper and rotor-supporting system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099430A (en) * | 1988-10-28 | 1992-03-24 | Joseph Hirsch | Method and apparatus for continuously suppressing unwanted rotational phenomena in a rotating body |
| CN102758874A (en) * | 2012-07-17 | 2012-10-31 | 北京化工大学 | Self-adaptive variable-damping variable-stiffness shock absorber for multi-frequency component vibration of rotary machine rotator |
| CN103511554A (en) * | 2013-10-17 | 2014-01-15 | 北京化工大学 | Rotor variable-mass frequency-modulation dynamic vibration absorber of rotating machinery |
| CN103742591A (en) * | 2013-12-25 | 2014-04-23 | 北京化工大学 | Rotor adaptive continuous frequency shifting tuned mass damper (TMD) for rotary machinery |
| EP2944966A1 (en) * | 2014-05-15 | 2015-11-18 | Etel S. A.. | Vibration sensor |
| CN109404477A (en) * | 2018-11-21 | 2019-03-01 | 沈阳建筑大学 | A kind of SMA spring-STF viscous damper |
-
2019
- 2019-03-12 CN CN201910184720.0A patent/CN109764080A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099430A (en) * | 1988-10-28 | 1992-03-24 | Joseph Hirsch | Method and apparatus for continuously suppressing unwanted rotational phenomena in a rotating body |
| CN102758874A (en) * | 2012-07-17 | 2012-10-31 | 北京化工大学 | Self-adaptive variable-damping variable-stiffness shock absorber for multi-frequency component vibration of rotary machine rotator |
| CN103511554A (en) * | 2013-10-17 | 2014-01-15 | 北京化工大学 | Rotor variable-mass frequency-modulation dynamic vibration absorber of rotating machinery |
| CN103742591A (en) * | 2013-12-25 | 2014-04-23 | 北京化工大学 | Rotor adaptive continuous frequency shifting tuned mass damper (TMD) for rotary machinery |
| EP2944966A1 (en) * | 2014-05-15 | 2015-11-18 | Etel S. A.. | Vibration sensor |
| CN109404477A (en) * | 2018-11-21 | 2019-03-01 | 沈阳建筑大学 | A kind of SMA spring-STF viscous damper |
Non-Patent Citations (1)
| Title |
|---|
| 赵倩: "剪切增稠阻尼在转子系统振动控制中的应用研究", 《中国博士学位论文全文数据库工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110979733A (en) * | 2019-12-11 | 2020-04-10 | 兰州飞行控制有限责任公司 | Rotary damper testing device and method |
| CN113090710A (en) * | 2021-03-23 | 2021-07-09 | 南京航空航天大学 | Annular shear thickening fluid type damper and rotor-supporting system |
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