CN104500647A - Double-layer active-passive electromechanical integrated type vibration isolation device - Google Patents
Double-layer active-passive electromechanical integrated type vibration isolation device Download PDFInfo
- Publication number
- CN104500647A CN104500647A CN201510001287.4A CN201510001287A CN104500647A CN 104500647 A CN104500647 A CN 104500647A CN 201510001287 A CN201510001287 A CN 201510001287A CN 104500647 A CN104500647 A CN 104500647A
- Authority
- CN
- China
- Prior art keywords
- passive
- vibration
- signal conditioning
- integrated form
- dynamo
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
- F16F15/035—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means by use of eddy or induced-current damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
- B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The invention discloses a double-layer active-passive electromechanical integrated type vibration isolation device. The double-layer active-passive electromechanical integrated type vibration isolation device comprises a passive upper rubber vibration isolator (a), an intermediate framework structure (c), a mounting bottom plate (d), four electromagnetic exciters (b), integrated type control signal conditioning equipment and acceleration signal conditioning equipment (f), the intermediate framework structure (c) is arranged between the upper rubber vibration isolator (a) and the mounting bottom plate (d), the four electromagnetic exciters (b) serve as active executing mechanisms symmetrically arranged at the left and right sides of the intermediate framework structure (c), and the integrated type control signal conditioning equipment and acceleration signal conditioning equipment (f) are symmetrically arranged in front and rear grooves of the intermediate framework structure (c). The double-layer active-passive electromechanical integrated type vibration isolation device can well inhibit the vibration due to wide-frequency band external disturbance excitation, and the double-layer active-passive electromechanical integrated type vibration isolation device is mainly used for controlling the vibration of different kinds of marine diesel engines, steam turbines, pumps, the like rotating and reciprocating mechanical equipment, nuclear emergency power generator sets and the like large power equipment.
Description
Technical field
What the present invention relates to is a kind of isolation mounting, specifically a kind of vibration isolation device.
Background technique
Existing vibration isolation technique is mainly divided into active and passive and active-passive composite formula three kinds.Passive vibration isolation technology do not need extra power, device simple and reliable, be easy to realize, be widely used in engineering.But passive vibration isolation only has disturbs energizing frequency outside and is greater than vibrating isolation system natural frequency
times time just can work, passive vibration isolation technology if the natural frequency of isolation mounting is too low, the problems such as the excessive and unstability of the quiet distortion of whole system can be caused, so cannot obtain desirable control effects for low-frequency vibration and not be suitable for larger outer of change of frequency disturb the vibration encouraging and cause.And active vibration isolation arrangement is without any vibration isolating effect after active actuator lost efficacy completely, Security and poor stability, need the auxiliary energy and control apparatus.Therefore occurred the main passive vibration isolation technique combined, existing active-passive composite formula isolation mounting mainly will active and passive vibration isolation (normally single-layer partiting polarization) sections in series or Parallel Design.As publication number for active-passive composite formula vibration isolator disclosed in the patent document of CN2924161Y and publication number are hybrid vibration isolator disclosed in the patent document of CN102011822A etc., all initiatively to design with passive vibration isolation part in parallel, active controlling force is provided by the electromagnetic force being convenient to control, this design has vibration isolating effect for the vibration that change of frequency is larger, but belong to single-layer partiting polarization in essence, so need larger active controlling force; And publication number is resonant vibration exciter disclosed in the patent document of CN1431757A, initiatively actuator and passive vibration isolation device series connection use, and such layout can make whole height increase, and limits it use in the occasion of some limited space; And publication number is for passive hybrid vibration isolator main disclosed in the patent document of CN102748425A is by electromagnetic exciter and air bag Parallel Design, air bag is as passive vibration isolation part, there is good wideband vibration isolating effect, but also belong to single-layer partiting polarization device, and the problem such as the active force that there is tightness and gas is delayed obviously, control accuracy is not high.
Summary of the invention
The object of the present invention is to provide a kind of vibration isolating effect good, stability and reliability higher, the passive dynamo-electric integrated form isolation mounting of the bilayer master that energy consumption is low.
The object of the present invention is achieved like this:
Comprise passive upper rubber vibration isolator a, middle frame structure c, mounting base d, four electromagnetic exciter b, integrated form control signal conditioning device and acceleration signal conditioning device f, middle frame structure c is arranged between upper rubber vibration isolator a and mounting base d, described four electromagnetic exciter b are arranged symmetrically in the left and right sides of middle frame structure c as active actuator, integrated form control signal conditioning device and acceleration signal conditioning device f are arranged symmetrically in the front and back groove of middle frame structure c.
The present invention can also comprise:
1, electromagnetic exciter b is four axle inertia-type electromagnetic exciters, and a cooling fan g installed by the upper cover plate of described four axle inertia-type electromagnetic exciters.
2, described integrated form control signal conditioning device and acceleration signal conditioning device f integrated installation have acceleration transducer.
3, two vibration isolation rubber block e be arranged in parallel are set between middle frame structure c and mounting base d.
4, outside four electromagnetic exciter b, case h is set.
Advantage of the present invention is mainly reflected in:
1. the present invention is based on double-layer vibration isolating structure, have unrivaled advantage relative to single-layer partiting polarization structure, the speed that the vibration isolation efficiency of double-layer vibration isolating structure increases with the increase of frequency will far away higher than single-layer partiting polarization structure;
2. because adopt two-layer vibration isolator, and a middle frame structure is added in the middle of two-layer vibration isolator, when system vibration, the quality of middle frame structure can consume the power of a part from upper strata vibration isolator, simultaneously because the impedance of middle frame structure is less, so double-deck active vibration isolation is less relative to control force required individual layer active vibration isolation, energy consumption is less;
3. in order to ensure the realization of active vibration isolation function, a four axle inertia-type electromagnetic exciters of specialized designs of the present invention as active actuator, it than the stability of traditional single axle electromagnetic exciter and reliability higher;
4. four axle inertia-type electromagnetic exciters are integrated with the cooling of a miniature cooling fan for self when developing, and relative to traditional actuator, it does not need extra auxiliary cooling device;
5. general isolation mounting all can be restricted in design time space size, and electromagnetic exciter is arranged symmetrically on middle frame structure, then when not increasing isolation mounting whole height, space can be effectively utilized, increasing stationarity and the reliability of whole device simultaneously;
6. on middle frame structure, four four axle inertia-type electromagnetic exciters have been arranged symmetrically with, by controlling the ouput force size of four different axle inertia-type electromagnetic exciters, vertical vibration, roll and pitch vibration that upper strata quality is delivered to middle frame structure can be controlled simultaneously;
7. the present invention not only reasonably combines organic for vibration isolation device, and control signal conditioning device (low-pass filter and power amplifier), acceleration transducer and acceleration signal conditioning circuit are integrated in overall isolation mounting, not only effectively make use of space, and do not need extra supplementary equipment, have the advantages that size is little, easy to install and use;
8. the present invention bears by the static load of vibration isolation object by passive rubber vibration isolator, and ensure the working space of four axle inertia-type electromagnetic exciters, even if so the passive vibration isolation part of system still can play vibration isolation effect when active vibration isolation total failure, its reliability, Security are higher than complete active vibration isolation.
The present invention encourages the vibration caused to have good inhibition for outer the disturbing that frequency band range is wider, is mainly used in the vibration control of the rotations such as various warship diesel engine, steam turbine, pump and the large-sized power plant such as reciprocating machines and nuclear power Emergency generator.
Accompanying drawing explanation
Fig. 1 is the working principle signal of the passive dynamo-electric integrated form isolation mounting of the bilayer master based on four axle inertia-type electromagnetic exciters of the present invention;
Fig. 2 is the 3 dimensional drawing (not comprising case) of the main passive dynamo-electric integrated form isolation mounting of bilayer of the present invention;
Fig. 3 is the 3 dimensional drawing (comprising case) of the main passive dynamo-electric integrated form isolation mounting of bilayer of the present invention;
Fig. 4 is the structural representation of four axle inertia-type electromagnetic exciters;
Fig. 5 is the A-A view of Fig. 4
Fig. 6 is the left view of Fig. 4.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail.
Composition graphs 2-Fig. 3, the passive dynamo-electric integrated form isolation mounting of the bilayer master based on four axle inertia-type electromagnetic exciters comprises passive upper rubber vibration isolator a, four four axle inertia-type electromagnetic exciter b, middle frame structure c, integrated form control signal conditioning device and acceleration signal conditioning device f.Wherein four four axle inertia-type electromagnetic exciter b are arranged symmetrically in the left and right sides of middle frame structure c as active actuator, integrated form control signal conditioning device and acceleration signal conditioning device f are arranged symmetrically in the front and back groove of middle frame structure c, middle frame structure c goes back integrated installation acceleration transducer for measuring the vibration acceleration of middle frame structure, the vibration isolation rubber block e that lower floor's vibration insulation structure is arranged in parallel by two, mounting base d forms, the upper cover plate of each four axle inertia-type electromagnetic exciter is installed a cooling fan g and is used for heat radiation, h as case for four four axle inertia-type electromagnetic exciters provide protection.Individual layer hybrid vibration isolation structure different from the past initiatively excitation force directly acts on by control structure, this device adopts the design of double-layer vibration isolating, four axle inertia-type electromagnetic exciter b are as the actuator of active vibration isolation, and the excitation force of generation acts directly on middle frame structure c.Impedance like this due to middle frame structure is less, so required active controlling force is less, double-layer vibration isolating can provide the vibration isolating effect more excellent than single-layer partiting polarization simultaneously, and the combination of main Passive Control can increase substantially the efficiency of vibration isolation; The load of vibration isolation object is born by passive rubber vibration isolator completely, not only ensure that the working space of electromagnetic actuator, and can also play the function of passive vibration isolation when active vibration isolation partial failure.
Composition graphs 4-Fig. 6, in order to more effectively utilize space, increases the reliability of the main passive dynamo-electric integrated form isolation mounting of whole bilayer, four axle inertia-type electromagnetic exciters of the present invention.Adopt four symmetrical Structural Design of Shaft, can ensure that enough lateral stiffnesses are to bear certain side knock, wherein permanent magnet 11, yoke 9,14 and magnet steel 13 form closed operating fields, when passing to the control electric current of alternation in coil 10, the mover of vibration exciter produces up-down vibration at (comprising magnet steel 13, upper lower yoke 9 and 14, permanent magnet 11, bottom head covers 16) under the effect of electromagnetic force, can realize the accurate control to vibration exciter ouput force size by the size controlling electric current.
As shown in Fig. 2-Fig. 3, the present invention is arranged on by between device for vibration insutation and fondational structure in use, is connected with equipment footing bolt by upper rubber vibration isolator a, adopts four bolts to be connected by mounting base d with fondational structure; The rubber vibration isolator of upper and lower layers carries the weight of equipment, and reduces the transmission of dither to fondational structure; Speed probe and the acceleration transducer tach signal of collecting device and the acceleration oscillating signal of middle frame structure c respectively as shown in fig. 1, control signal is exported by certain control algorithm, making four axle inertia-type electromagnetic exciter b export corresponding control force acts on middle frame structure c, thus the vibration of offsetting from upper layer device, reduce the vibration being transmitted to fondational structure.
Fig. 4-6 is the structural drawing of four axle inertia-type electromagnetic exciters, and wherein yoke 9 on vibration exciter, permanent magnet 11, lower yoke 14, bottom head covers 16, middle connecting bolt 4, magnet steel 13, attachment screw 15, spring 2, spring bushing 5 constitute the mover of vibration exciter; When the coil 10 of vibration exciter passes to control electric current, the effect of Lorentz force is subject between the moving coil component (comprising top cover 8, top cover fixing bolt 1, cooling fan 7, coil 10, magazine 12) of whole vibration exciter and mover, mover can along axle 3 (totally 4) up-down vibration, the output control force required for generation; Meanwhile cooling fan 7 works and produces negative pressure, make air from the magnetic gap between magnet steel 13 and the outer surface of coil 10, flow to the gap of the bottom head covers 16 of vibration exciter, and then the air gap between upper lower yoke (9 and 14) and the internal surface of coil 10 is finally discharged from fan, thus play the effect of cooling; 17 is the external wiring terminals of four axle inertia-type electromagnetic exciters.
The working principle of the passive dynamo-electric integrated form isolation mounting of the bilayer master based on four axle inertia-type electromagnetic exciters of the present invention as shown in Figure 1, whole vibration isolation system comprises speed probe, tach signal conditioning device (low-pass filter), A/D converter, acceleration transducer, acceleration signal conditioning device (charge amplifier, low-pass filter), A/D converter, active controller (control algorithm), D/A converter, control signal conditioning device (low-pass filter and power amplifier), initiatively actuator, passive vibration isolation link etc.M in Fig. 1
1for the quality of vibration damping object (rotating and reciprocating machines), m
2for intermediate mass, m
3, k
3, c
3the mechanical model of initiatively actuator's (i.e. four axle inertia-type electromagnetic exciters) is represented with forcer G; Rigidity and the damping of upper and lower layers rubber vibration isolator are respectively k
1, c
1, k
2, c
2; The active controlling force that four axle inertia-type electromagnetic exciters produce acts on intermediate mass m
2on.Active controller regulates active controlling force to make intermediate mass m by certain control algorithm
2at vibration damping object m
1under the effect of the excitation force f produced, vibratory response is minimum.Because be double-layer vibration isolating system, as long as so decrease intermediate mass m
2vibration, just can reduce the excitation force be delivered in fondational structure, play the effect of active vibration isolation.The double-deck working principle leading passive dynamo-electric integrated form isolation mounting that Here it is.
Part in dotted line frame in Fig. 1 has mainly carried out developing with organically integrated by the present invention, mainly comprise upper and lower layers rubber vibration isolator, intermediate mass, four axle inertia-type electromagnetic exciters, acceleration transducer, acceleration signal conditioning device, control signal conditioning device, finally define based on the passive dynamo-electric integrated form isolation mounting of bilayer master, as Figure 2-3.On this basis, the present invention also designs the whole installation of this device and working method.
As shown in Figure 1, the working procedure of whole vibrating isolation system is as follows: as vibration damping object m
1when (rotating and reciprocating machines) is in running order, speed probe measures the tach signal of vibration damping object as with reference to signal, enters controller through low-pass filter, analog and digital signal (A/D) transducer; Middle frame structure m measured by acceleration transducer simultaneously
2oscillating signal as error signal, finally active controller is entered through charge amplifier, low-pass filter, analog and digital signal (A/D) transducer, active controller carries out computing to two signals according to certain control algorithm and produces corresponding control signal, then makes four four axle inertia-type electromagnetic exciters generation active controlling forces act on middle frame structure m through the driving of digital simulation (D/A) transducer, low-pass filter and power amplifier
2on.Here the active controlling force produced by control algorithm is at middle frame structure m
2the oscillating signal of upper generation and vibration damping object transfer are to middle frame structure m
2equal, the phase place of vibratory response amplitude contrary, both superpositions make middle frame structure m
2vibration minimum, the vibration being delivered to fondational structure like this will reduce, thus reaches the object of vibration isolation.
Claims (9)
1. a double-deck main passive dynamo-electric integrated form isolation mounting, comprise passive upper rubber vibration isolator (a), middle frame structure (c), mounting base (d), four electromagnetic exciters (b), integrated form control signal conditioning device and acceleration signal conditioning device (f), it is characterized in that: middle frame structure (c) is arranged between upper rubber vibration isolator (a) and mounting base (d), described four electromagnetic exciters (b) are arranged symmetrically in the left and right sides of middle frame structure (c) as active actuator, integrated form control signal conditioning device and acceleration signal conditioning device (f) are arranged symmetrically in the front and back groove of middle frame structure (c).
2. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 1, it is characterized in that: electromagnetic exciter (b) is four axle inertia-type electromagnetic exciters, a cooling fan (g) installed by the upper cover plate of described four axle inertia-type electromagnetic exciters.
3. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 1 and 2, is characterized in that: described integrated form control signal conditioning device and acceleration signal conditioning device (f) integrated installation have acceleration transducer.
4. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 1 and 2, is characterized in that: arrange two vibration isolation rubbers block (e) be arranged in parallel between middle frame structure (c) and mounting base (d).
5. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 3, is characterized in that: arrange two vibration isolation rubbers block (e) be arranged in parallel between middle frame structure (c) and mounting base (d).
6. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 1 and 2, is characterized in that: arrange case (h) outside four electromagnetic exciters (b).
7. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 3, is characterized in that: arrange case (h) outside four electromagnetic exciters (b).
8. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 4, is characterized in that: arrange case (h) outside four electromagnetic exciters (b).
9. the main passive dynamo-electric integrated form isolation mounting of bilayer according to claim 5, is characterized in that: arrange case (h) outside four electromagnetic exciters (b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001287.4A CN104500647B (en) | 2015-01-04 | 2015-01-04 | Double-deck main passive dynamo-electric integrated form isolation mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001287.4A CN104500647B (en) | 2015-01-04 | 2015-01-04 | Double-deck main passive dynamo-electric integrated form isolation mounting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500647A true CN104500647A (en) | 2015-04-08 |
| CN104500647B CN104500647B (en) | 2016-12-07 |
Family
ID=52942079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510001287.4A Active CN104500647B (en) | 2015-01-04 | 2015-01-04 | Double-deck main passive dynamo-electric integrated form isolation mounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500647B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889642A (en) * | 2016-06-12 | 2016-08-24 | 哈尔滨工程大学 | Intelligent shock absorber of pipeline |
| CN106438830A (en) * | 2016-09-07 | 2017-02-22 | 武汉源海博创科技有限公司 | Electromagnetic type active and passive integrated vibration isolator |
| CN106594169A (en) * | 2016-12-23 | 2017-04-26 | 苏州东菱智能减振降噪技术有限公司 | Quasi-zero rigidity inertia actuator |
| CN107061591A (en) * | 2017-04-27 | 2017-08-18 | 武汉微搏科技有限公司 | A kind of monoblock type metal spring active damping platform |
| CN107881707A (en) * | 2017-11-03 | 2018-04-06 | 珠海格力电器股份有限公司 | A kind of vibration absorber, washing machine and its oscillation damping method |
| CN110369246A (en) * | 2019-07-22 | 2019-10-25 | 青岛理工大学 | Inertia vibration generator and its design method based on Halbach permanent magnet array |
| CN113883353A (en) * | 2021-09-18 | 2022-01-04 | 苏州东菱智能减振降噪技术有限公司 | Six-degree-of-freedom pipeline shock absorber and shock absorption method |
| CN115234177A (en) * | 2022-07-24 | 2022-10-25 | 东北石油大学 | Energy harvesting vibration isolator and rotary drilling rig drill rod system applying same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005030423A (en) * | 2003-07-07 | 2005-02-03 | Kazuya Shimizu | Vibration removing system |
| WO2005073592A1 (en) * | 2004-01-26 | 2005-08-11 | Koninklijke Philips Electronics N.V. | Actuator arrangement for active vibration isolation using a payload as an inertial reference mass |
| CN102011822A (en) * | 2010-10-20 | 2011-04-13 | 哈尔滨工程大学 | Hybrid vibration isolator |
| JP2012036924A (en) * | 2010-08-04 | 2012-02-23 | Kurashiki Kako Co Ltd | Vibration-resistant device |
| CN102748425A (en) * | 2012-06-15 | 2012-10-24 | 中国人民解放军海军工程大学 | Driving-driven hybrid vibration isolator |
-
2015
- 2015-01-04 CN CN201510001287.4A patent/CN104500647B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005030423A (en) * | 2003-07-07 | 2005-02-03 | Kazuya Shimizu | Vibration removing system |
| WO2005073592A1 (en) * | 2004-01-26 | 2005-08-11 | Koninklijke Philips Electronics N.V. | Actuator arrangement for active vibration isolation using a payload as an inertial reference mass |
| JP2012036924A (en) * | 2010-08-04 | 2012-02-23 | Kurashiki Kako Co Ltd | Vibration-resistant device |
| CN102011822A (en) * | 2010-10-20 | 2011-04-13 | 哈尔滨工程大学 | Hybrid vibration isolator |
| CN102748425A (en) * | 2012-06-15 | 2012-10-24 | 中国人民解放军海军工程大学 | Driving-driven hybrid vibration isolator |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889642A (en) * | 2016-06-12 | 2016-08-24 | 哈尔滨工程大学 | Intelligent shock absorber of pipeline |
| CN106438830A (en) * | 2016-09-07 | 2017-02-22 | 武汉源海博创科技有限公司 | Electromagnetic type active and passive integrated vibration isolator |
| CN106438830B (en) * | 2016-09-07 | 2018-12-11 | 武汉源海博创科技有限公司 | Electromagnetic type active-passive integratedization vibration isolator |
| CN106594169A (en) * | 2016-12-23 | 2017-04-26 | 苏州东菱智能减振降噪技术有限公司 | Quasi-zero rigidity inertia actuator |
| CN106594169B (en) * | 2016-12-23 | 2019-03-15 | 苏州东菱智能减振降噪技术有限公司 | A kind of quasi- zero stiffness inertia actuator |
| CN107061591A (en) * | 2017-04-27 | 2017-08-18 | 武汉微搏科技有限公司 | A kind of monoblock type metal spring active damping platform |
| CN107881707A (en) * | 2017-11-03 | 2018-04-06 | 珠海格力电器股份有限公司 | A kind of vibration absorber, washing machine and its oscillation damping method |
| CN110369246A (en) * | 2019-07-22 | 2019-10-25 | 青岛理工大学 | Inertia vibration generator and its design method based on Halbach permanent magnet array |
| CN113883353A (en) * | 2021-09-18 | 2022-01-04 | 苏州东菱智能减振降噪技术有限公司 | Six-degree-of-freedom pipeline shock absorber and shock absorption method |
| CN113883353B (en) * | 2021-09-18 | 2023-11-03 | 苏州东菱智能减振降噪技术有限公司 | Six-degree-of-freedom pipeline vibration damper and vibration damping method |
| CN115234177A (en) * | 2022-07-24 | 2022-10-25 | 东北石油大学 | Energy harvesting vibration isolator and rotary drilling rig drill rod system applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500647B (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104500647A (en) | Double-layer active-passive electromechanical integrated type vibration isolation device | |
| CN108386481B (en) | Based on the High Linear magnetic suspended isolation device and actuator of Halbach permanent magnet array, method | |
| US8699302B2 (en) | Electromagnetic seismology vibrator systems and methods | |
| US10082128B2 (en) | Wave power generation system and method | |
| US8995232B2 (en) | Electromagnetic seismic vibrator architecture | |
| ES2684486T3 (en) | Vibration isolation | |
| CN103591138A (en) | Homopolar monocycle hybrid magnetic bearing | |
| KR101716250B1 (en) | Drivetrain testing system | |
| An et al. | Calculation model of armature reaction magnetic field of interior permanent magnet synchronous motor with segmented skewed poles | |
| CN220185679U (en) | Vibration damper for generator stator, generator stator and generator | |
| Winberg et al. | Active control of engine vibrations in a Collins class submarine | |
| CN106337893B (en) | Reluctance type electromagnetism active vibration insulator | |
| CN206246579U (en) | Reluctance type electromagnetism active vibration insulator | |
| Zhao et al. | Vibration isolation performance analysis of double layer vibration isolation system | |
| Yang et al. | Simulation analysis and experiment validation of vibration and noise of oil-immersed transformer | |
| CN211371134U (en) | Reluctance type electromagnetic active and passive integrated composite vibration isolator | |
| Torkaman et al. | Radial force characteristic assessment in a novel two-phase dual layer SRG using FEM | |
| CN107222041A (en) | Tangential vibrations to motor stator tooth carry out the toothing of active control | |
| Li et al. | Design of active vibration reduction system for intelligent ship mechanical equipment | |
| Isfahani et al. | Vibration analysis of a double-stator switched reluctance machine | |
| CN220378775U (en) | Vibration absorbing device for generator stator, generator stator and generator | |
| CN206417208U (en) | Directly drive the power distributing structure of main reducing gear | |
| Yang et al. | A vertical axis wave turbine with cup blades | |
| Chen | Mechanical design of high frequency, high power density electric machine | |
| Bo et al. | Research on electromagnetic force wave analysis and vibration characteristics of permanent magnet synchronous motor based on finite element simulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |