CN105675276A - Device and method for testing vibration damping property of elastic support extruded oil film damper - Google Patents
Device and method for testing vibration damping property of elastic support extruded oil film damper Download PDFInfo
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- CN105675276A CN105675276A CN201610020546.2A CN201610020546A CN105675276A CN 105675276 A CN105675276 A CN 105675276A CN 201610020546 A CN201610020546 A CN 201610020546A CN 105675276 A CN105675276 A CN 105675276A
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- 238000013016 damping Methods 0.000 title claims abstract description 36
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- 230000004044 response Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 34
- 238000003556 assay Methods 0.000 claims description 23
- 230000001133 acceleration Effects 0.000 claims description 19
- 239000010687 lubricating oil Substances 0.000 claims description 14
- 238000004088 simulation Methods 0.000 claims description 12
- 230000008520 organization Effects 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
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- 238000009434 installation Methods 0.000 abstract 2
- 238000013461 design Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
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- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a device and a method for testing the vibration damping property of an elastic support extruded oil film damper. The device comprises an installation base, an elastic support, an extruded oil film outer ring, a loading ring, an excitation simulating mechanism, and a control mechanism. The elastic support comprises a body and a bearing base. The extruded oil film outer ring is fixed to the installation base around the bearing base. One end of the loading ring is arranged inside the bearing base. The loading ring can rotate with respect to the bearing base. The excitation simulating mechanism comprises an exciter, an excitation rod, a force sensor, and an accelerometer. Under the effect of the exciter, the excitation rod applies exciting force to the loading ring so that the bearing base vibrates. A dynamic signal analyzer can receive an exciting force signal sent by the force sensor and a vibration responding signal sent by the accelerometer, and can obtain a relationship curve of the vibration response of the damper to the exciting force.
Description
Technical field
This invention relates generally to elastic bearing squeeze film damper, the damping behavior in particular to aeroengine rotor elastic bearing squeeze film damper is tested.
Background technology
Elastic bearing squeeze film damper has been widely used in Small Aeroengine rotor-bearing system. In the course of the work, it can effectively absorb the vibrational energy that rotor causes due to unbalance residual content, is substantially reduced the vibration displacement of rotor and reduces the load of bearing, improves the job stability of electromotor and the working life of reliability and prolongation bearing.
Research to elastic bearing squeeze film damper damping behavior, domestic be mainly partial to Analysis on Mechanism, the foundation of Conventional mathematical mechanical model and correlation theory derive, algorithm research or improvement and experimental study that some are confirmatory. On theory analysis, the commonly used at present Reynolds equation based on ideal viscous fluid basic assumption is as the fundamental analysis theory of squeeze film damper dynamic trait. In fact, owing to the operation principle of squeeze film damper, working condition and kinestate are all sufficiently complex, therefore simple relevant it is assumed that be difficult to accurately and truly describe the dynamic trait that squeeze film damper has in the course of the work comprehensively with some by Reynolds equation. On verification experimental verification, the rotation test device that current commonly used rotor and damping support are constituted implements the analysis of experiments to elastic bearing squeeze film damper dynamic trait. What mainly reflect due to process of the test is the comprehensive dynamic characteristic of " rotor-bearing system ", is difficult to therefrom extract the dynamic trait composition of elastic bearing squeeze film damper itself, carries out relatively fully and targetedly investigating and analysis. Therefore, result of the test is often not enough to effectively disclose the complicated characteristics of motion of elastic bearing squeeze film damping, it is impossible to provide instruction more targetedly to the Curve guide impeller of elastic bearing squeeze film damper.
It addition, the existing assay device for elastic bearing squeeze film damper, process of the test exists fluid and splashes, the problems such as oil film pressure is too small, experimental enviroment is very severe, not only can stained test apparatus and equipment, also the physical and mental health of testing crew can be brought adverse effect.
At present, rarely have the report of assay device for elastic bearing squeeze film damper, the assay device having been reported design complexity, operating difficulties.
In information above-mentioned disclosed in described background section only for strengthening the understanding of the background to the present invention, therefore it can include not constituting the information to prior art known to persons of ordinary skill in the art.
Summary of the invention
One main purpose of the present invention is in that to overcome at least one defect of above-mentioned prior art, a kind of elastic bearing squeeze film damper damping behavior assay device and method are provided, its design is simple effectively, easy accessibility, reliable operation, can obtain the vibratory response of elastic bearing squeeze film damper and the relation curve of exciting force.
For achieving the above object, the present invention adopts the following technical scheme that
According to an aspect of the invention, it is provided a kind of elastic bearing squeeze film damper damping behavior assay device, including mounting seat, resiliency supported, squeeze film outer shroud, loaded ring, exciting simulation mechanism and controlling organization.
Resiliency supported includes body and bearing block, and body is fixed in mounting seat, and bearing block is fixed with body and is connected and prominent from the side of body; Squeeze film outer shroud is fixed on mounting seat and the periphery around bearing block is arranged, and there is gap, squeeze film outer shroud offers oil supplying hole between squeeze film outer shroud and bearing block, and it connects with gap, and lubricating oil can enter in gap via oil supplying hole; One end of loaded ring is sheathed on the inside of bearing block, and loaded ring can rotate relative to bearing block; Exciting simulation mechanism includes vibrator, exciting rod, force transducer and acceleration transducer, one end of exciting rod is connected with vibrator, the other end of exciting rod is connected with the other end of loaded ring, force transducer is fixed on exciting rod, acceleration transducer is arranged on the other end of loaded ring, acceleration transducer is positioned on the straight line of exciting rod place, and is oppositely arranged with exciting rod; Controlling organization includes dynamic signal analyzer.
Wherein, under the effect of vibrator, exciting rod applies exciting force to loaded ring, bearing block is made to produce vibration, dynamic signal analyzer its be able to receive that exciting force signal that force transducer sends and the vibration response signal that acceleration transducer sends, and obtain the vibratory response of elastic bearing squeeze film damper and the relation curve of exciting force.
According to an aspect of the invention, it is provided a kind of elastic bearing squeeze film damper damping behavior test method, it utilizes above-mentioned elastic bearing squeeze film damper damping behavior assay device to carry out, and comprises the following steps:
Exciting force is applied to loaded ring so that bearing block produces vibration with vibrator;
Sensed exciting force by force transducer, and responded by acceleration transducer sense vibrations; And
The vibration response signal that the exciting force signal sent by dynamic signal analyzer reception sensor and acceleration transducer are sent, and obtain the vibratory response of elastic bearing squeeze film damper and the relation curve of exciting force.
As shown from the above technical solution, advantages of the present invention uses assay device of the present invention with having the active effect that, carry out the test of certain h type engine h elastic bearing squeeze film damper damping behavior, obtain elastic bearing squeeze film damper and elastic supporting rigidity, oil clearance, lubricating oil pressure, the dynamic trait data that oil viscosity etc. are relevant, and the percent value of elastic support shaft bearing outer wall amplitude when initially entering inelastic region and oil clearance, to elastic bearing squeeze film damper aero-engine develop in application have important references to be worth. further, the design of the assay device of the present invention is simple effectively, easy accessibility, reliable operation, can carry out the experimental study to its damping behavior affecting laws of many physical parameters of elastic bearing squeeze film damper.
Accompanying drawing explanation
Considering following the following detailed description of the embodiment of the present invention in conjunction with the drawings, the various targets of the present invention, feature and advantage will become apparent from. Accompanying drawing is only the exemplary diagram of the present invention, is not necessarily drawn to scale. In the accompanying drawings, same accompanying drawing labelling represents same or similar parts all the time. Wherein:
Fig. 1 is a kind of elastic bearing squeeze film damper damping behavior pilot system block diagram according to an illustrative embodiments;
Fig. 2 is the overall structure figure of a kind of elastic bearing squeeze film damper damping behavior assay device according to an illustrative embodiments;
Fig. 3 is the transverse sectional view in Fig. 2 along line A-A;
Fig. 4 is the transverse sectional view in Fig. 2 along line B-B; And
Fig. 5 is the partial enlarged drawing in Fig. 3 in C line.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing. But, example embodiment can be implemented in a variety of forms, and is not understood as limited to embodiment set forth herein; On the contrary, it is provided that these embodiments make the present invention will fully and completely, and the design of example embodiment is conveyed to those skilled in the art all sidedly. Accompanying drawing labelling identical in figure represents same or similar structure, thus will omit their detailed description.
Described feature, structure or characteristic can be combined in one or more embodiment in any suitable manner. In the following description, it is provided that many details are thus providing fully understanding embodiments of the present invention. It will be appreciated, however, by one skilled in the art that one or more without in described specific detail of technical scheme can be put into practice, or other method, assembly, material etc. can be adopted. In other cases, known features, material or operation are not shown in detail or describe to avoid fuzzy each aspect of the present invention.
As shown in Figures 1 to 5, the present invention provides a kind of elastic bearing squeeze film damper damping behavior assay device, including mounting seat 10, resiliency supported 20, squeeze film outer shroud 30, loaded ring 40, exciting simulation mechanism and controlling organization.
Resiliency supported 20 includes body 21 and bearing block 22, and body 21 is fixed in mounting seat 10, and bearing block 22 is fixing with body 21 to be connected and prominent from the side of body 21. Squeeze film outer shroud 30 is fixed on mounting seat 10 and the periphery around bearing block 22 is arranged, gap is there is between squeeze film outer shroud 30 and bearing block 22, offering oil supplying hole 31 on squeeze film outer shroud 30, it connects with gap, and lubricating oil can enter in gap via oil supplying hole 31. One end of loaded ring 40 is sheathed on the inside of bearing block 22, and loaded ring 40 can rotate relative to bearing block 22. Exciting simulation mechanism includes vibrator (not shown), exciting rod 51, force transducer 52 and acceleration transducer 53, one end of exciting rod 51 is connected with vibrator, the other end of exciting rod 51 is connected with the other end of loaded ring 40, force transducer 52 is fixed on exciting rod 51, acceleration transducer 53 is arranged on the other end of loaded ring 40, acceleration transducer 53 is positioned on the straight line of exciting rod 51 place, and is oppositely arranged with exciting rod 51. Controlling organization includes dynamic signal analyzer.
Wherein, under the effect of vibrator, exciting rod 51 applies exciting force to loaded ring 40, bearing block 21 is made to produce vibration, dynamic signal analyzer its be able to receive that exciting force signal that force transducer 52 sends and the vibration response signal that acceleration transducer 53 sends, and obtain the vibratory response of elastic bearing squeeze film damper and the relation curve of exciting force.
The elastic bearing squeeze film damper damping behavior assay device of the present invention is to be installed in mounting seat by existing resiliency supported, false bearings is simulated with loaded ring, vibrator produces sine excitation power and encourages flexibly mounted bearing block, thus load when model rotor rotates, elastic bearing squeeze film damper applied. When flexibly mounted bearing block produces circumference precession, and between squeeze film outer shroud, form typical squeeze film. The vibratory response under vibrator encourages of the elastic bearing squeeze film damper is measured by acceleration transducer.
Use assay device of the present invention, carry out the test of certain h type engine h elastic bearing squeeze film damper damping behavior, obtain the dynamic trait data that elastic bearing squeeze film damper is relevant with elastic supporting rigidity, oil clearance, lubricating oil pressure, oil viscosity etc., and the percent value of elastic support shaft bearing outer wall amplitude when initially entering inelastic region and oil clearance, there is important references to be worth the application in aero-engine is developed of the elastic bearing squeeze film damper. Further, the design of the assay device of the present invention is simple effectively, easy accessibility, reliable operation, can carry out the experimental study to its damping behavior affecting laws of many physical parameters of elastic bearing squeeze film damper.
In the present embodiment, flexibly mounted body 21 is fixed in mounting seat 10 by 8 stove bolts 23 and little nut 24, and the outer wall of flexibly mounted bearing block 22, towards squeeze film outer shroud 3, exists therebetween small?gap suture. The upper and lower end face of squeeze film outer shroud 30 is plane, and squeeze film outer shroud 30 is connected with mounting seat 10 by 6 king-bolts 32. But, the connected mode of said structure is not limited to this.
Squeeze film outer shroud 30 inwall has oil groove 33 and two seal grooves 34, and two seal grooves 34 are positioned at the both sides of oil groove 33. The lubricating oil of oil pump (not shown) supply is delivered to oil supplying hole 31 through fuel feed pump 35, subsequently into oil groove 33, and then is covered with whole squeeze film chamber D. It is equipped with sealing ring 36 in two seal grooves 34, the outer wall of sealing ring 36 and bearing block 21 closely cooperates, play sealing function, so make the lubricating oil with certain pressure will not reveal from the two ends in squeeze film chamber, not only improve the foundation of squeeze film pressure, simultaneously it is also ensured that the comfortableness of good test environment and tester's operation.
Common exciting force can be analyzed to two orthogonal power, therefore, in the present embodiment, it is provided with two set exciting simulation mechanisms, the two angle is 90 °, same frequency that two vibrators produce, the sine excitation power of phase contrast 90 ° then can the flexibly mounted bearing block 22 of synchronization motivationtheory, thus load when model rotor rotates, elastic bearing squeeze film damper applied.
Wherein, two set exciting simulation mechanisms are for be symmetrical arranged relative to elastic bearing, under two orthogonal excitation cycle power effects, the vibratory response of flexibly mounted bearing block outer wall, the vibratory response of its correspondence measured respectively by acceleration transducer, and vibratory response and the mutually perpendicular exciting force of both direction together access dynamic signal analyzer. Through analyzing and processing further, the relation curve between elastic bearing squeeze film damper vibratory response and exciting force can be obtained.
In the present embodiment, each exciting simulation mechanism also includes force-transmitting seat 54, and the other end of exciting rod 51 is connected with force-transmitting seat 54 by power transmission bolt 55 and locking nut 56, and the two ends of force-transmitting seat 54 are fixed on loaded ring 40 by hold-down bolt 57.
Wherein, one end of loaded ring 40 is annular, and the other end of loaded ring 40 is square, and force-transmitting seat 54 is arch, and the other end of the two ends of force-transmitting seat 54 and loaded ring 40 is fixed.
As shown in Figure 1, in the present embodiment, controlling organization may also include signal generator, power amplifier and controller, and signal generator can the frequency of exciting force of adjusting vibration exciter and amplitude, power amplifier can the power of adjusting vibration exciter, controller is used for controlling vibrator. By change exciting force size can the size of out-of-balance force in model rotor real work, the frequency changing exciting force can different rotating speeds in model rotor real work. Further, it is also possible to study the parameter impacts on elastic bearing squeeze film damper damping behavior such as different elastic supporting rigidity, oil clearance, oil viscosity, lubricating oil pressure, namely obtain the damping behavior of elastic bearing squeeze film damper.
Particularly as follows: HIOKI-7075 double-channel signal generator two frequencies of generation are identical with amplitude, the sinusoidal signal of phase 90 °. This two-way sinusoidal signal, after B&K-2721 single channel power amplifier amplifies, controls the output parameter of two B&K-4826 vibrators respectively so that it is produce amplitude and the controlled equivalent rotary exciting force of frequency. Exciting force, after two BISE5110 dynamic force sensor measurements, is loaded on elastic bearing squeeze film damper. The elastic bearing squeeze film damper vibratory response that two B&K-4382V acceleration transducers are measured, with the exciting force signal after SK6881 single channel charge amplifier amplifies of two BISE5110 force sensor measurings after B&K-2692-0S4 four-way charge amplifier amplifies, together access DEWE-3021 dynamic signal analyzer. Analyze and process further through Dewesoft6.6.7 Dynamic Signal record and analysis software, the relation curve of elastic bearing squeeze film damper vibratory response and exciting force can be obtained and it is with elastic supporting rigidity, oil clearance, oil viscosity, the isoparametric Changing Pattern of lubricating oil pressure, namely obtain the damping behavior of elastic bearing squeeze film damper.
In in one embodiment, elastic bearing squeeze film damper damping behavior test method is: adopts the excitation of orthogonal 2 the vibrator same frequencys in direction, phase contrast 90 ° to obtain rotation field of force exciting, is scanned exciter test within the scope of (10-1000) Hz. In process of the test, measure the root vibration strains amount of orthogonal two springs on tested elastic bearing, measure the exciting force of exciting rod on this two direction; Measure the accekeration on orthogonal two directions of elastic support shaft bearing, measure output and the frequency (being equivalent to speed-frequency) thereof etc. of vibrator, record the data such as oil viscosity, lubricating oil pressure.
Change elastic supporting rigidity, oil clearance, oil viscosity and lubricating oil pressure etc. by design value and carry out above-mentioned test. Select suitable elastic supporting rigidity, oil clearance, oil viscosity and lubricating oil pressure, classification changes exciting force size, obtain the relation curve of elastic bearing strain and amplitude, find the percent value of amplitude when initially entering inelastic region and oil clearance, it is thus achieved that the damping behavior of elastic bearing squeeze film damper.
Above in relation to elastic bearing squeeze film damper damping behavior assay device, it is only for this device, specific design and the implementation process of the present invention is described, it is not limited to the concrete structure of assay device. For a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Although exemplary embodiment describing the present invention with reference to several, it is to be understood that, term used is to illustrate and exemplary and nonrestrictive term. The spirit without deviating from invention or essence can be embodied as in a variety of forms due to the present invention, it is to be understood that, above-described embodiment is not limited to any aforesaid details, and should explain widely in the spirit and scope that appended claims limit, therefore fall into the whole changes in claim or its equivalent scope and remodeling all should be appended claims and contained.
Claims (10)
1. an elastic bearing squeeze film damper damping behavior assay device, including:
Mounting seat;
Resiliency supported, it includes body and bearing block, and body is fixed in mounting seat, and bearing block is fixed with body and is connected and prominent from the side of body;
Squeeze film outer shroud, it is fixed on mounting seat and the periphery around bearing block is arranged, and there is gap, squeeze film outer shroud offers oil supplying hole between squeeze film outer shroud and bearing block, and it connects with gap, and lubricating oil can enter in gap via oil supplying hole;
Loaded ring, its one end is sheathed on the inside of bearing block;
Exciting simulation mechanism, including vibrator, exciting rod, force transducer and acceleration transducer, one end of exciting rod is connected with vibrator, the other end of exciting rod is connected with the other end of loaded ring, force transducer is fixed on exciting rod, acceleration transducer is arranged on the other end of loaded ring, and acceleration transducer is positioned on the straight line of exciting rod place, and is oppositely arranged with exciting rod; And
Controlling organization, it includes dynamic signal analyzer;
Wherein, under the effect of vibrator, exciting rod applies exciting force to loaded ring, bearing block is made to produce vibration, dynamic signal analyzer its be able to receive that exciting force signal that force transducer sends and the vibration response signal that acceleration transducer sends, and obtain the vibratory response of elastic bearing squeeze film damper and the relation curve of exciting force.
2. elastic bearing squeeze film damper damping behavior assay device as claimed in claim 1, wherein, squeeze film outer shroud inwall has oil groove and two seal grooves, two seal grooves are positioned at the both sides of oil groove, lubricating oil can enter in gap via oil supplying hole and oil groove, the outer wall being equipped with sealing ring, sealing ring and bearing block in two seal grooves closely cooperates.
3. elastic bearing squeeze film damper damping behavior assay device as claimed in claim 2, wherein, the quantity of exciting simulation mechanism is two sets, and the angle of two set exciting simulation mechanisms is 90 °, and the vibrator of two set exciting simulation mechanisms produces the exciting force of same frequency and phase contrast 90 °.
4. elastic bearing squeeze film damper damping behavior assay device as claimed in claim 3, wherein, each exciting simulation mechanism also includes force-transmitting seat, the other end of exciting rod is connected with force-transmitting seat by power transmission bolt and lock nut, and the two ends of force-transmitting seat are fixed on loaded ring by hold-down bolt.
5. elastic bearing squeeze film damper damping behavior assay device as claimed in claim 4, wherein, one end of loaded ring is annular, and the other end of loaded ring is square, and force-transmitting seat is arch, and the two ends of force-transmitting seat and the other end of loaded ring are fixed.
6. elastic bearing squeeze film damper damping behavior assay device as claimed in claim 1, wherein, controlling organization also includes signal generator, power amplifier and controller, signal generator can the frequency of adjusting vibration exciter and amplitude, power amplifier can the power of adjusting vibration exciter, controller is used for controlling vibrator.
7. an elastic bearing squeeze film damper damping behavior test method, it utilizes the elastic bearing squeeze film damper damping behavior assay device as according to any one of claim 1 to 6 to carry out, and comprises the following steps:
Exciting force is applied to loaded ring so that bearing block produces vibration with vibrator;
Sensed exciting force by force transducer, and responded by acceleration transducer sense vibrations; And
The vibration response signal that the exciting force signal sent by dynamic signal analyzer reception sensor and acceleration transducer are sent, and obtain the vibratory response of elastic bearing squeeze film damper and the relation curve of exciting force.
8. elastic bearing squeeze film damper damping behavior test method as claimed in claim 7, wherein, also include: by the frequency of signal generator adjusting vibration exciter and amplitude, by the power of power amplifier adjusting vibration exciter, and control vibrator by controller.
9. elastic bearing squeeze film damper damping behavior test method as claimed in claim 8, wherein, also includes: the parameter changing elastic bearing squeeze film damper carries out above-mentioned test procedure, and by this parameter of dynamic signal analyzer record.
10. elastic bearing squeeze film damper damping behavior test method as claimed in claim 9, wherein, the parameter of elastic bearing squeeze film damper includes elastic supporting rigidity, oil clearance, oil viscosity and lubricating oil pressure.
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| CN201610020546.2A CN105675276B (en) | 2016-01-13 | 2016-01-13 | A kind of elastic bearing squeeze film damper damping behavior experimental rig |
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| CN201610020546.2A CN105675276B (en) | 2016-01-13 | 2016-01-13 | A kind of elastic bearing squeeze film damper damping behavior experimental rig |
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| CN106289645A (en) * | 2016-11-07 | 2017-01-04 | 北京东方振动和噪声技术研究所 | Rotor dynamic balancing assay method based on steady stimulation method and device |
| CN106353076A (en) * | 2016-07-07 | 2017-01-25 | 大连海事大学 | Tester for determining dynamic characteristic coefficient of squeeze film damper |
| CN106768986A (en) * | 2017-02-22 | 2017-05-31 | 大连海事大学 | Fluid film lubrication damping test platform |
| CN106907355A (en) * | 2017-04-28 | 2017-06-30 | 中国航发湖南动力机械研究所 | A kind of elastic bearing squeeze film damper |
| CN106989917A (en) * | 2017-06-01 | 2017-07-28 | 中国航发湖南动力机械研究所 | Flexibly support the dynamic stiffness measurement device and its measuring method of squeeze film damper |
| CN108279119A (en) * | 2017-12-28 | 2018-07-13 | 华中科技大学 | A kind of squeeze film damper performance test apparatus of Parameter adjustable |
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| CN116127629A (en) * | 2022-12-16 | 2023-05-16 | 中国核动力研究设计院 | Calculation method and system for small-gap structure extrusion film force based on magnitude analysis |
| CN116840195A (en) * | 2023-05-18 | 2023-10-03 | 中国船舶集团有限公司第七〇三研究所 | Dynamic transmittance test device for sealing ring of extrusion oil film damper based on machine vision |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657800A (en) * | 2004-12-03 | 2005-08-24 | 西北工业大学 | Method and device for suppression of vibration of rotor system with elastic support |
| JP2009270612A (en) * | 2008-05-07 | 2009-11-19 | Toyota Motor Corp | Bearing structure of turbocharger |
| CN102425639A (en) * | 2011-11-30 | 2012-04-25 | 中国航空动力机械研究所 | Elastic supporting structure |
-
2016
- 2016-01-13 CN CN201610020546.2A patent/CN105675276B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657800A (en) * | 2004-12-03 | 2005-08-24 | 西北工业大学 | Method and device for suppression of vibration of rotor system with elastic support |
| JP2009270612A (en) * | 2008-05-07 | 2009-11-19 | Toyota Motor Corp | Bearing structure of turbocharger |
| CN102425639A (en) * | 2011-11-30 | 2012-04-25 | 中国航空动力机械研究所 | Elastic supporting structure |
Non-Patent Citations (1)
| Title |
|---|
| 陈钊: "弹支挤压油膜阻尼器动力特性分析方法研究", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
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