CN105317923B - A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration - Google Patents
A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration Download PDFInfo
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- CN105317923B CN105317923B CN201410323693.8A CN201410323693A CN105317923B CN 105317923 B CN105317923 B CN 105317923B CN 201410323693 A CN201410323693 A CN 201410323693A CN 105317923 B CN105317923 B CN 105317923B
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Abstract
A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration：1. when vibrating rotator and stator not in contact with when, ultrasonic vibrator part (1) is fixed at the vibration maximum position detected, ultrasonic vibrator part (1) surface is kept the gap not less than rotor (5) amplitude with rotor (5) surface；2. when rotor (5) contacts with stator because of vibration, ultrasonic vibrator part (1) is fixed on the radial end face of rotor (5) and stator contact surface；3. when rotor-support-foundation system, which produces amplitude, is more than the larger vibration of rotor (5) diameter 1/10th, open ultrasonic vibrator system, squeeze film radial load caused by ultrasonic vibrator system vibration and frictional force drive rotor (5) are that equilbrium position is close to its axis, reduce rotor (5) amplitude and coefficient of friction.Present device fault rate is low, and system run all right is good.It can apply to the vibration for suppressing small rotary machinery rotor-support-foundation system.
Description
Technical field
The present invention relates to science, specifically provides one kind and suppresses small rotary machinery vibration of rotor system using ultrasonic vibration
Method.
Background technology
In the prior art, all kinds of miniature high-speed rotating machinery extensive uses in national economy, get over stator gap is turned
Next smaller, equipment fault problem caused by its vibration is more and more prominent, and because rotating speed is very high, these failures can cause serious danger
Evil, the stable operation of equipment is not only influenceed, some even cause catastrophic consequence.
The method for suppressing vibration at present mainly uses dynamic balancing technique, but dynamic balancing technique fails sometimes, and moves
Balance must be carried out when shutting down, and can not accomplish online suppression vibration；The method of control vibration mainly includes electromagnetism side
Method, damped method, various adjusters etc., but vibrotechnique also imperfection is controlled under many circumstances, as electromagnetic method does not have to answer
For in non-ferrous material, magnetic flow liquid be affected by temperature larger, damper can usually fail, and be produced in the supercritical region of rotor
Serious instability problem etc..
Accordingly, it is desirable to obtain a kind of excellent energy of technique effect suppresses small rotary machinery rotor using ultrasonic vibration
The method of vibration.
The content of the invention
The invention aims to suppress the vibration of small rotary machinery rotor-support-foundation system, to reduce equipment fault, improve
System run all right, makes up the deficiency for suppressing vibrotechnique at present, and the present invention proposes a kind of using caused by ultrasonic vibration
Suspend and antifriction effect, produce larger radial load and appropriate frictional force acts on and vibrates the radial surface for turning stator to realize
Suppress the method for vibration.
The invention provides a kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration, its feature
It is：At the maximum position for determining the vibration of rotor 5 first；It is fixed on using ultrasonic vibrator part 5 on the rotor-support-foundation system；For
Different situations or the different phase of vibration are specifically handled using following methods respectively：
1. when vibration rotor 5 and stator not in contact with when, ultrasonic vibrator part 1 is fixed on to the vibration dominant bit detected
Place is put, the surface of ultrasonic vibrator part 1 and gap of the surface of rotor 5 holding not less than the amplitude of rotor 5 are made by micro-adjusting mechanism 2；②
When rotor 5 contacts with stator due to vibrating, moveable ultrasonic vibrator part 1 is fixed at rotor 1 and stator contact surface
Radial end face on；3. when rotor-support-foundation system, which produces amplitude, is more than the larger vibration of the diameter 1/10th of rotor 5, open ultrasound and shake
Subsystem, squeeze film radial load caused by ultrasonic vibrator system vibration and frictional force drive rotor 5 to its axis be equilbrium position
It is close, so that the amplitude of rotor and coefficient of friction reduce, reach the purpose for suppressing vibration.
The method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration, it is characterised in that：Work as rotor
When the vibration of system is larger, while suppress to vibrate using at least two ultrasonic vibrator system, i.e., by least two ultrasonic vibrator system
System is along the circumferential direction uniformly on the circumference of radial section where rotor maximum vibration position and radially and circumferentially solid by it
Fixed, radial load caused by least two ultrasonic vibrator system or frictional force act on the radial surface of rotor 5 simultaneously, can suppress
Larger vibration.
When vibrating rotator 5 and stator not in contact with when, for not in contact with rotor-stator system, following methods suppressions are also replaced
Small rotary machinery vibration of rotor system processed：
Utilize micro-adjusting mechanism adjustment ultrasonic vibrator and the gap length on the surface of rotor 5, as shown in Equation 1, gap h0It is smaller, squeeze
Press mold bearing capacity W is bigger, and it is better to suppress the effect that rotor 5 vibrates；
It is described to suppress to be arranged on rotor 5 used in the method for small rotary machinery vibration of rotor system using ultrasonic vibration
On ultrasonic vibration vibration suppression device form it is as follows：Ultrasonic vibrator part 1, micro-adjusting mechanism 2, seal casinghousing 3, eccentric block 4；Its
In：Micro-adjusting mechanism 2 and ultrasonic vibrator part 1 are arranged on rotor 5 and can be adjustable along its axial location；Micro-adjusting mechanism 2 is arranged
Between rotor 5 and ultrasonic vibrator part 1；Eccentric block 4 is arranged on rotor 5 and the rotation axis of its deviation of gravity center rotor 5, surpasses
Sound and vibration subassembly 1, micro-adjusting mechanism 2, eccentric block 4 are all disposed within seal casinghousing 3.
In Fig. 8：Seal casinghousing 3 is " by rotor-support-foundation system and the system sealing of ultrasonic vibrator part 1 " as shown in Figure 1 encapsulation
A casing inside；Eccentric block 4 is the eccentric balance weight structure part as shown in Figure 1 set on rotor 5, and it is acted on
Principle is reversely being vibrated with the reverse vibration source of reformation to slacken as auxiliary；During system vibration the amplitude h1 and h2 of rotor by
Sensor measures.
The present invention is achieved through the following technical solutions：
The model of rotor-support-foundation system is initially set up, the dynamics of system is obtained using signal processing technology and Model Calculating Method
Characteristic, analysis are obtained at the maximum position of the vibration of rotor 5；When vibrating rotator 5 and stator not in contact with when, moveable ultrasound is shaken
Subassembly 1 is fixed on rotor 5 and vibrated at maximum position, passes through the surface of 2 ultrasonic vibrator part of micro-adjusting mechanism 1 and the table of rotor 5
Face keeps certain gap, and gap can neither be more than the amplitude of rotor 5, the surface of ultrasonic vibrator part 1 will not again encountered and is vibrated
The surface of rotor 5, finally by rotor-support-foundation system and the system sealing of ultrasonic vibrator part 1, for adjusting environmental stress；When rotor 5 with
Stator is due to when vibration contacts, rotor 5 and the longitudinal end near stator contact surface are fixed on by moveable ultrasonic vibrator part 1
On face and by system sealing.
When rotor-support-foundation system is started working, larger vibration is produced, now opens ultrasonic vibrator system；When vibrating rotator with
Stator not in contact with when, using levitation effect, ultrasonic vibrator part 1, which vibrates, causes extruding air film in small―gap suture, ultrasound extruding gas
Radial load caused by film acts on the radial surface of rotor 5 of vibration, and drive rotor 5 is that equilbrium position is close to its axis, so as to
So that the amplitude of rotor 5 reduces, reach the purpose for suppressing vibration；When rotor 5 contacts with stator, antifriction effect, ultrasound are utilized
The vibration of oscillator component 1 causes extruding air film in contact point surrounding and acts on the radial surface of rotor 5 of vibration, for slight
Contact, extrude air film caused by radial load can make to turn stator contact surface to separate, i.e., drive rotor 5 is that equilbrium position is leaned on to its axis
Closely, the vibration of rotor 5 reduces, and for serious contact, even if radial load can not separate contact surface, antifriction effect also makes to turn stator
Between coefficient of friction reduce, serious contact is changed into slight contact, suppress the vibration of rotor-support-foundation system.
When the vibration of rotor-support-foundation system is larger, can suppress to vibrate using multiple ultrasonic vibrator parts 1 simultaneously, Ji Jiangduo
It is on the circumference in section and it is radially and circumferentially solid where individual ultrasonic vibrator part 1 is uniformly arranged on the maximum vibration position of rotor 5
Fixed, radial load caused by so multiple ultrasonic vibrator parts 1 or frictional force act on the radial surface of rotor 5 simultaneously, can press down
Make larger vibration；For not in contact with rotor-stator system, micro-adjusting mechanism 2 can also be utilized to adjust ultrasonic vibrator part 1 with turning
The gap length on sub 5 surfaces, according to extruding film theory, gap is smaller, and squeeze film bearing capacity is bigger, suppresses the effect that rotor 5 vibrates
Fruit is better.
This method, which can solve the problem that, suppresses the problem of vibration of rotor-support-foundation system many places is larger, that is, is wanting to suppress many places position vibrated
The one or more ultrasonic vibrator parts 1 of installation are put, suppress to turn simultaneously with antifriction effect using suspending caused by ultrasonic vibrator part 1
The vibration of sub 5 many places.
Advantage and effect：This method can carry out the suppression of vibration of rotor system under the conditions of non-stop-machine, be one to finish
The complete online method for suppressing vibration, greatly reduces the loss of shutdown；And can suppress simultaneously rotor 5 many places vibration, have compared with
High service efficiency；And due to the controllability of ultrasonic vibration so that the suppression precision of this method is very high, suppresses vibration effect
Fruit is notable, compensate for the deficiency in current vibration suppression field.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation：
Fig. 1 is the structure principle chart for the principle schematic that ultrasonic vibration of the present invention suppresses vibration；
Fig. 2 is the non-contact partial enlarged drawing for the principle schematic that ultrasonic vibration of the present invention suppresses vibration；
Fig. 3 is the gentle touchdown partial enlarged drawing for the principle schematic that ultrasonic vibration of the present invention suppresses vibration；
Fig. 4 is the serious contact partial enlarged drawing for the principle schematic that ultrasonic vibration of the present invention suppresses vibration；
Fig. 5 is the non-contact squeeze film schematic diagram for the principle schematic that ultrasonic vibration of the present invention suppresses vibration；
Fig. 6 is the contact squeeze film schematic diagram for the principle schematic that ultrasonic vibration of the present invention suppresses vibration；
Fig. 7 is more ultrasonic vibrator action principle schematic diagrames (being 3 ultrasonic vibrator parts 1 in figure)；
Fig. 8 is that the present invention suppresses rotor many places vibration principle schematic diagram (being at 3 in figure).
Embodiment
Reference implication explanation：Ultrasonic vibrator part 1, micro-adjusting mechanism 3, seal casinghousing 3, eccentric block 4, rotor 5, supporting
Part 6；The amplitude h1 of rotor 5, rotor 5 are squeezed the amplitude h2 after the effect of film radial load, micro-adjusting mechanism 2 with turning during system vibration
The primary clearance h3 on sub 5 surfaces, squeeze film the radial load F1 and frictional force F2 for being produced by ultrasonic vibrator and acting on rotor surface,
Squeeze film 7.
A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration, referring to accompanying drawing 1-8, this implementation
Example is to suppress the vibration of small rotary machinery rotor-support-foundation system to reduce equipment fault, improve system run all right, make up
The one kind for suppressing the insufficient of vibrotechnique at present and proposing is produced larger using being suspended and antifriction effect caused by ultrasonic vibration
Radial load and appropriate frictional force, which act on, vibrates the radial surface for turning stator to realize the method for suppressing to vibrate.
A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration：Determine that rotor 5 vibrates first
Maximum position at；It is fixed on using ultrasonic vibrator part 5 on the rotor-support-foundation system；For different situations or the difference of vibration
Stage is specifically handled using following methods respectively：
1. when vibration rotor 5 and stator not in contact with when, ultrasonic vibrator part 1 is fixed on to the vibration dominant bit detected
Place is put, the surface of ultrasonic vibrator part 1 and gap of the surface of rotor 5 holding not less than the amplitude of rotor 5 are made by micro-adjusting mechanism 2；②
When rotor 5 contacts with stator due to vibrating, moveable ultrasonic vibrator part 1 is fixed at rotor 1 and stator contact surface
Radial end face on；3. when rotor-support-foundation system, which produces amplitude, is more than the larger vibration of the diameter 1/10th of rotor 5, open ultrasound and shake
Subsystem, squeeze film radial load caused by ultrasonic vibrator system vibration and frictional force drive rotor 5 to its axis be equilbrium position
It is close, so that the amplitude of rotor and coefficient of friction reduce, reach the purpose for suppressing vibration.
It is described using ultrasonic vibration suppress small rotary machinery vibration of rotor system method, when rotor-support-foundation system vibration compared with
When big, while suppress to vibrate using at least two ultrasonic vibrator system, i.e., by least two ultrasonic vibrator system along the circumferential direction
Uniform radially and circumferentially to be fixed on the circumference of radial section where rotor maximum vibration position and by it, at least two surpasses
Radial load caused by sound and vibration subsystem or frictional force act on the radial surface of rotor 5 simultaneously, can suppress larger vibration.
When vibrating rotator 5 and stator not in contact with when, for not in contact with rotor-stator system, following methods suppressions are also replaced
Small rotary machinery vibration of rotor system processed：
Utilize micro-adjusting mechanism adjustment ultrasonic vibrator and the gap length on the surface of rotor 5, as shown in Equation 1, gap h0It is smaller, squeeze
Press mold bearing capacity W is bigger, and it is better to suppress the effect that rotor 5 vibrates；
It is described to suppress to be arranged on rotor 5 used in the method for small rotary machinery vibration of rotor system using ultrasonic vibration
On ultrasonic vibration vibration suppression device form it is as follows：Ultrasonic vibrator part 1, micro-adjusting mechanism 2, seal casinghousing 3, eccentric block 4；Its
In：Micro-adjusting mechanism 2 and ultrasonic vibrator part 1 are arranged on rotor 5 and can be adjustable along its axial location；Micro-adjusting mechanism 2 is arranged
Between rotor 5 and ultrasonic vibrator part 1；Eccentric block 4 is arranged on rotor 5 and the rotation axis of its deviation of gravity center rotor 5, surpasses
Sound and vibration subassembly 1, micro-adjusting mechanism 2, eccentric block 4 are all disposed within seal casinghousing 3.
In Fig. 8：Seal casinghousing 3 is " by rotor-support-foundation system and the system sealing of ultrasonic vibrator part 1 " as shown in Figure 1 encapsulation
A casing inside；Eccentric block 4 is the eccentric balance weight structure part as shown in Figure 1 set on rotor 5, and it is acted on
Principle is reversely being vibrated with the reverse vibration source of reformation to slacken as auxiliary；During system vibration the amplitude h1 and h2 of rotor by
Sensor measures.
In Fig. 1, the system of rotor 5 with eccentric block 4 is driven by motor, is established the model of system, is utilized signal transacting
Technology and Model Calculating Method obtain the dynamics of system, and analysis is understood at the maximum position that rotor 5 vibrates；Ultrasound is shaken
Subassembly 1 and micro-adjusting mechanism 2 are installed at the section of rotor 5 where this opening position, ultrasonic vibrator part 1 as shown in Figure 1, are opened
Breakdown closes, when rotor 5 and stator not in contact with when, using levitation effect, ultrasonic vibrator part 1 vibrates the extruding caused in small―gap suture
Radial load F1 caused by air film 7 acts on the radial surface of vibrating rotator 5, by the surface dominant bit of rotor 5 of radial forces
Move and h2 is changed to by h1, therefore vibration herein is suppressed due to squeeze film radial load F1 influence caused by ultrasonic vibration；When
When rotor 5 contacts with stator, using antifriction effect, the vibration of ultrasonic vibrator 1 causes extruding air film 7 in contact point surrounding and acted on
In the radial surface of vibrating rotator 5, for slight contact, radial load F1 caused by extruding air film 7 can make to turn stator contact surface point
Open, i.e., drive rotor 5 is that equilbrium position is close to its axis, and the vibration of rotor 5 reduces, for serious contact, even if radial load
F1 can not separate contact surface, and the coefficient of friction that frictional force F2 caused by antifriction effect also makes to turn between stator reduces, and make serious
Contact be changed into slight contact, suppress the vibration of rotor 5.
In fig. 2, can be simultaneously using multiple if the effect that single ultrasonic vibrator part suppresses vibration does not meet to require
Ultrasonic vibrator part 1, and be distributed in the cross-sectional periphery of rotor 5, while opening reduces vibration, as shown in fig. 7,3 ultrasounds
Oscillator component 1 is uniformly distributed circumferentially suppression rotor 5 and vibrated.
In fig. 8, if there is plurality of positions to need to suppress vibration in rotor 5, the present embodiment also can solve the problem that this problem, that is, exist
Ultrasonic vibrator part 1 is placed in each position for needing to suppress to vibrate, while opens reduction vibration, as shown in figure 8, on rotor
3 groups of ultrasonic vibrator systems (being made up of ultrasonic vibrator part 1 and micro-adjusting mechanism 2) are placed, and system can be put incessantly per system
1 ultrasonic vibrator part 1 or micro-adjusting mechanism 2 are put, can be good at solving to suppress vibration problem.
The present embodiment is achieved through the following technical solutions：
The model of rotor-support-foundation system is initially set up, the dynamics of system is obtained using signal processing technology and Model Calculating Method
Characteristic, analysis are obtained at the maximum position of the vibration of rotor 5；When vibrating rotator 5 and stator not in contact with when, moveable ultrasound is shaken
Subassembly 1 is fixed on rotor 5 and vibrated at maximum position, passes through the surface of 2 ultrasonic vibrator part of micro-adjusting mechanism 1 and the table of rotor 5
Face keeps certain gap, and gap can neither be more than the amplitude of rotor 5, the surface of ultrasonic vibrator part 1 will not again encountered and is vibrated
The surface of rotor 5, finally by rotor-support-foundation system and the system sealing of ultrasonic vibrator part 1, for adjusting environmental stress；When rotor 5 with
Stator is due to when vibration contacts, rotor 5 and the longitudinal end near stator contact surface are fixed on by moveable ultrasonic vibrator part 1
On face and by system sealing.
When rotor-support-foundation system is started working, larger vibration is produced, now opens ultrasonic vibrator system；When vibrating rotator with
Stator not in contact with when, using levitation effect, ultrasonic vibrator part 1, which vibrates, causes extruding air film in small―gap suture, ultrasound extruding gas
Radial load caused by film acts on the radial surface of rotor 5 of vibration, and drive rotor 5 is that equilbrium position is close to its axis, so as to
So that the amplitude of rotor 5 reduces, reach the purpose for suppressing vibration；When rotor 5 contacts with stator, antifriction effect, ultrasound are utilized
The vibration of oscillator component 1 causes extruding air film in contact point surrounding and acts on the radial surface of rotor 5 of vibration, for slight
Contact, extrude air film caused by radial load can make to turn stator contact surface to separate, i.e., drive rotor 5 is that equilbrium position is leaned on to its axis
Closely, the vibration of rotor 5 reduces, and for serious contact, even if radial load can not separate contact surface, antifriction effect also makes to turn stator
Between coefficient of friction reduce, serious contact is changed into slight contact, suppress the vibration of rotor-support-foundation system.
When the vibration of rotor-support-foundation system is larger, can suppress to vibrate using multiple ultrasonic vibrator parts 1 simultaneously, Ji Jiangduo
It is on the circumference in section and it is radially and circumferentially solid where individual ultrasonic vibrator part 1 is uniformly arranged on the maximum vibration position of rotor 5
Fixed, radial load caused by so multiple ultrasonic vibrator parts 1 or frictional force act on the radial surface of rotor 5 simultaneously, can press down
Make larger vibration；For not in contact with rotor-stator system, micro-adjusting mechanism 2 can also be utilized to adjust ultrasonic vibrator part 1 with turning
The gap length on sub 5 surfaces, according to extruding film theory, gap is smaller, and squeeze film bearing capacity is bigger, suppresses the effect that rotor 5 vibrates
Fruit is better.
This method, which can solve the problem that, suppresses the problem of vibration of rotor-support-foundation system many places is larger, that is, is wanting to suppress many places position vibrated
The one or more ultrasonic vibrator parts 1 of installation are put, suppress to turn simultaneously with antifriction effect using suspending caused by ultrasonic vibrator part 1
The vibration of sub 5 many places.
Advantage and effect：This method can carry out the suppression of vibration of rotor system under the conditions of non-stop-machine, be one to finish
The complete online method for suppressing vibration, greatly reduces the loss of shutdown；And can suppress simultaneously rotor 5 many places vibration, have compared with
High service efficiency；And due to the controllability of ultrasonic vibration so that the suppression precision of this method is very high, suppresses vibration effect
Fruit is notable, compensate for the deficiency in current vibration suppression field.
Claims (4)
- A kind of 1. method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration, it is characterised in that：Determine first At the maximum position of rotor (5) vibration；It is fixed on using ultrasonic vibrator part on the rotor-support-foundation system；For different situations or The different phase of vibration is specifically handled using following methods respectively：1. when vibration rotor (5) and stator not in contact with when, moveable ultrasonic vibrator part (1) is fixed on to shaking of detecting At dynamic maximum position, it is not less than by micro-adjusting mechanism (2) ultrasonic vibrator part (1) surface and the holding of rotor (5) surface and is turned The gap of sub (5) amplitude, finally by rotor-support-foundation system and ultrasonic vibrator part (1) system sealing in a casing；2. work as rotor (5) with stator due to vibration contacts when, moveable ultrasonic vibrator part (1) is fixed on rotor (5) with stator contact surface On the radial end face in outside and by system sealing；3. when rotor-support-foundation system produce amplitude be more than rotor (5) diameter 1/10th compared with During big vibration, ultrasonic vibrator system, squeeze film radial load caused by ultrasonic vibrator system vibration and frictional force drive rotor are opened (5) it is that equilbrium position is close to its axis, so that the amplitude of rotor and coefficient of friction reduce, reaches the mesh for suppressing vibration 's.
- 2. according to the method for utilizing ultrasonic vibration to suppress small rotary machinery vibration of rotor system described in claim 1, its feature It is：Suppress to vibrate when the vibration of rotor-support-foundation system is larger, while using at least two ultrasonic vibrator system, i.e., by least two Where ultrasonic vibrator system is along the circumferential direction uniformly arranged on rotor maximum vibration position on the circumference of radial section and by its footpath To with it is circumferentially fixed, radial load caused by least two ultrasonic vibrator system or frictional force act on rotor (5) radial direction table simultaneously Face, larger vibration can be suppressed.
- 3. according to the method for utilizing ultrasonic vibration to suppress small rotary machinery vibration of rotor system described in claim 1, its feature It is：When vibrating rotator (5) and stator not in contact with when, for not in contact with rotor-stator system, following methods suppressions are also replaced Small rotary machinery vibration of rotor system processed：Utilize micro-adjusting mechanism adjustment ultrasonic vibrator and the gap length on rotor (5) surface, as shown in formula (1), gap h0It is smaller, squeeze Press mold bearing capacity W is bigger, and the effect for suppressing rotor (5) vibration is better；
- 4. according to one of the claim 1-3 sides for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration Method, it is characterised in that：It is described to suppress installation used in the method for small rotary machinery vibration of rotor system using ultrasonic vibration Ultrasonic vibration vibration suppression device on rotor (5) forms as follows：Ultrasonic vibrator part (1), micro-adjusting mechanism (2), capsul Body (3), eccentric block (4)；Wherein：Micro-adjusting mechanism (2) and ultrasonic vibrator part (1) are arranged on rotor (5) and can be along its axles It is adjustable to position；Micro-adjusting mechanism (2) is arranged between rotor (5) and ultrasonic vibrator part (1)；Eccentric block (4) is arranged in rotor (5) on and its deviation of gravity center rotor (5) rotation axis, ultrasonic vibrator part (1), micro-adjusting mechanism (2), eccentric block (4) all cloth Put in seal casinghousing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410323693.8A CN105317923B (en) | 2014-07-08 | 2014-07-08 | A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410323693.8A CN105317923B (en) | 2014-07-08 | 2014-07-08 | A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration |
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| CN105317923A CN105317923A (en) | 2016-02-10 |
| CN105317923B true CN105317923B (en) | 2017-12-26 |
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| CN201410323693.8A Expired - Fee Related CN105317923B (en) | 2014-07-08 | 2014-07-08 | A kind of method for suppressing small rotary machinery vibration of rotor system using ultrasonic vibration |
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| CN110805643B (en) * | 2019-11-07 | 2020-12-25 | 西安交通大学 | Self-powered rotating shaft vibration active control system and active control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176354A (en) * | 1996-09-07 | 1998-03-18 | Itw－阿特克有限公司 | Rotation damper |
| CN102072276A (en) * | 2010-12-30 | 2011-05-25 | 上海交通大学 | Electromagnetic active control device for longitudinal vibration of marine shafting |
| DE102010041405A1 (en) * | 2010-09-27 | 2012-03-29 | Zf Friedrichshafen Ag | Arrangement for compensating rotational irregularities on a drive shaft |
| CN203193433U (en) * | 2012-11-14 | 2013-09-11 | 吉林大学 | Novel supporting structure used for high-speed motor rotor |
| CN103375529A (en) * | 2012-04-24 | 2013-10-30 | 美卓造纸机械公司 | Arrangement for damping vibration of rollers of calender |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009008075A1 (en) * | 2009-02-10 | 2010-08-12 | Siemens Aktiengesellschaft | Damping system and method for eliminating torsional vibrations |
-
2014
- 2014-07-08 CN CN201410323693.8A patent/CN105317923B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176354A (en) * | 1996-09-07 | 1998-03-18 | Itw－阿特克有限公司 | Rotation damper |
| DE102010041405A1 (en) * | 2010-09-27 | 2012-03-29 | Zf Friedrichshafen Ag | Arrangement for compensating rotational irregularities on a drive shaft |
| CN102072276A (en) * | 2010-12-30 | 2011-05-25 | 上海交通大学 | Electromagnetic active control device for longitudinal vibration of marine shafting |
| CN103375529A (en) * | 2012-04-24 | 2013-10-30 | 美卓造纸机械公司 | Arrangement for damping vibration of rollers of calender |
| CN203193433U (en) * | 2012-11-14 | 2013-09-11 | 吉林大学 | Novel supporting structure used for high-speed motor rotor |
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Granted publication date: 20171226 Termination date: 20180708 |