CN107147244B - It is a kind of to touch rub protective device and the rotating machinery using it - Google Patents
It is a kind of to touch rub protective device and the rotating machinery using it Download PDFInfo
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- CN107147244B CN107147244B CN201710387604.XA CN201710387604A CN107147244B CN 107147244 B CN107147244 B CN 107147244B CN 201710387604 A CN201710387604 A CN 201710387604A CN 107147244 B CN107147244 B CN 107147244B
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- kinetic energy
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- energy buffer
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- rubs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention disclose it is a kind of touch rub protection and application its rotating machinery, main includes touching the bump leveller that rubs, kinetic energy buffer and electrical energy recovery device.The bump leveller that rubs is touched with good damping vibration attenuation effect and high-temperature stability.After unstability occurs for rotary machine rotor, and the bump leveller interaction that rubs is touched, will touch and rub and can dissipate, and a large amount of rotation function is transmitted in the form of touching and rubbing as kinetic energy buffer, be converted into the rotation function of kinetic energy buffer.Kinetic energy buffer is connected with generator, converts power output for rotation function, stores to battery.The present invention can carry out impact-rub malfunction protection to the rotating machinery of a variety of patterns, and the development that rubs is touched in effectively control, and damaged condition of rubbing is touched in mitigation.
Description
Technical field
The present invention relates to rotating machinery vibrating control fields, in particular to a kind of to touch rub protective device and the rotation using it
It is mechanical.
Background technique
Rotating machinery is used widely in modern industrial production, it is mainly by rotor, stator, bearing, shaft coupling etc.
Component is constituted.Rotor is the important component of rotating machinery, causes to shut down once breaking down, it is likely that causes huge economic damage
It loses.Impact-rub malfunction is a kind of failure mode common in rotating machinery operational process.Currently, in the efficient requirement of high revolving speed
Under, the gap in rotating machinery between rotor and stator is smaller and smaller, and rubbing phenomenon is caused constantly to occur, and less serious case causes event
Barrier is shut down, and severe one can generate a series of consequences very serious such as rotor rupture, locking and unit damage.
Rubbing is a great research topic in rotating machinery field, in recent years, has developed and has largely touched the event that rubs
Hinder diagnostic method, such as the identification of analysis of vibration signal, acoustic emission signal, such method and measure, for rotating machinery bump-scrape event
Diagnosis and forecast have certain effect to barrier in advance, but still fall within trouble-saving field, and after failure occurs, how effectively to control
Fault progression processed, to mitigate failure damage be a newer project.
Summary of the invention
(1) technical problems to be solved
The present invention propose it is a kind of touch rub protective device and application its rotating machinery, solve engineering rotating machinery in practice
Impact-rub malfunction problem can be controlled effectively and touch the development that rubs, and abrasion evil is touched in mitigation, and is recycled and touched the kinetic energy that rubs, and be converted into electric energy storage.
(2) technical solution
The present invention provides one kind to touch protective device of rubbing, and is used for rotating machinery, including touch rub bump leveller and kinetic energy buffer;
Wherein, at least one layer of resistance for touching the bump leveller that rubs and including at least one layer of wear-resistant material layer and being set in outside wear-resistant material layer
Buddhist nun's damping layer;Outermost damping vibration attenuation layer is installed on the kinetic energy buffer.
In some embodiments of the invention, the bump leveller that rubs that touches further includes a pedestal, outermost damping vibration attenuation layer
Flush-mounted in the pedestal, the pedestal is installed on the kinetic energy buffer.
The kinetic energy buffer includes forming integrated flywheel and protruding shaft, the pedestal in some embodiments of the invention
It is installed on the flywheel inner wall.
In some embodiments of the invention, the kinetic energy buffer is the cyclic structure with ball bearing one.
In some embodiments of the invention, the wear-resistant material layer is using silica gel, rubber, graphite or sealing with holes modeling
Material;The damping vibration attenuation layer uses metal-rubber, spring ring, metal wound gasket.
The present invention also provides a kind of rotating machinery, including rotor and any above-mentioned touch protective device of rubbing.
In some embodiments of the invention, the rotor is accumulated energy flywheel, and the protruding shaft of the kinetic energy buffer passes through rolling
Pearl bearing is installed on rotating machinery, and the accumulated energy flywheel is supported by the spring bearing of the kinetic energy buffer and rotating machinery, inserts
Enter described to touch the bump leveller and there are gaps with the wear-resistant material layer of innermost layer of rubbing.
In some embodiments of the invention, the protruding shaft of the kinetic energy buffer and generator are fixed in one.
In some embodiments of the invention, the rotor is supported by two sets of spring bearings, described to touch protective device peace of rubbing
Loaded on the outside of spring bearing, the rotor, which passes through, described touches the bump leveller and there are gaps with the wear-resistant material layer of innermost layer of rubbing.
In some embodiments of the invention, the wear-resistant material layer for touching the bump leveller innermost layer that rubs and the gap of rotor etc.
Gap between the spring bearing and rotor.
(3) beneficial effect
It can be seen from the above technical proposal that the present invention, which touches protective device and application its rotating machinery of rubbing, to be had and following has
Beneficial effect:
(1) present invention can effectively control accumulated energy flywheel and touch the development that rubs, and rotation function is transferred to kinetic energy buffering as soon as possible
Device, and the further brake power generating of generator can be passed through.
(2) bump leveller that rubs is touched with good rigidity and damping effect, and can be very good absorption flywheel rotor touches the energy that rubs
Amount, effective protection rotor rubbing face.
(3) for the rotor axial system that generally does work, such as turbine generators, when impeller occurring and volute small―gap suture touches when rubbing,
The present invention, which can quickly absorb, touches the energy that rubs, and avoiding touching rubbing further to develop leads to shaft and gas bearing locking.
(4) protective device of rubbing of touching of the invention belongs to Fault Control and reparation field, has preferable economic benefit.
Detailed description of the invention
Fig. 1 is that first embodiment of the invention touches the protective device structural schematic diagram that rubs.
Fig. 2 is that second embodiment of the invention touches the protective device structural schematic diagram that rubs.
Fig. 3 is the rotating machinery structural schematic diagram of third embodiment of the invention.
Fig. 4 is the rotating machinery structural schematic diagram of fourth embodiment of the invention.
[symbol description]
10- touches the bump leveller that rubs;11- rubber layer;12- metal-rubber layer;13- carbon steel ring group seat;
20- kinetic energy buffer;21- flywheel;22- protruding shaft;23- ball bearing;
31- pedestal;32- sliding bearing;33- dynamoelectric machine;34- vacuum casting;35- accumulated energy flywheel;36- generator;
37- Permanent-magnet bearing;
41- turbine;42- compressor;43- spiral case;44- casing;45- rotor;46- shaft;47- spring bearing.
Specific embodiment
The present invention proposes a kind of rotating machinery bump-scrape, can effectively control the process of rubbing of touching, substantially mitigate fault harm, have
Good promotional value and economic benefit.
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
As shown in Figure 1, the rotating machinery bump-scrape protective device of first embodiment of the invention, including touch the bump leveller 10 and dynamic of rubbing
It can buffer 20.
Wherein, touching the bump leveller 10 that rubs is shellring shape sleeve structure, the rubber layer 11 of the internal layer including coaxial arrangement, centre
The metal-rubber layer 12 of layer and the carbon steel ring group seat 13 of outer layer, rubber layer 11 and metal-rubber layer 12 are flush-mounted in carbon steel
Ring group seat 13.
Kinetic energy buffer 20 includes the flywheel 21 and protruding shaft 22 for forming one, and flywheel 21 is cylindric knot open at one end
Structure, protruding shaft 22 and flywheel 21 are coaxial, are set to the not opening one end of flywheel, and one end of protruding shaft 22 is equipped with ball bearing 23.Carbon
Plain steel loop pedestal 13 is coaxially installed on 21 inner wall of flywheel, so that touching the bump leveller 10 that rubs is mounted as a whole on kinetic energy buffer 20.It touches and rubs
Protective device is installed on rotating machinery by ball bearing 23, touches turn of rub bump leveller 10 and kinetic energy buffer 20 and rotating machinery
Son 45 is coaxial, and rotor 45, which protrudes into, to be touched in the bump leveller 10 that rubs, and there are gaps with the rubber layer of internal layer 11.
The rotating machinery bump-scrape protective device of the present embodiment, when rotor and internal layer rubber layer generation rubbing, rotor
Kinetic energy pass through and touch each layer of the bump leveller that rubs and quickly pass to kinetic energy buffer, the kinetic energy of rotor, which converts, gives kinetic energy buffer, makes
The steady reduction of speed of rotor is obtained, rotating machinery fault and damage are prevented.
Rotor touches there are many patterns of rubbing with internal layer rubber layer, and developing stage is typically all to be touched to rub to multiple spot by single-point to touch
It rubs or partial rub, until full annular rub;It is the resultant force mistake from simple friction to friction and collision from the point of view of the stress of contact point
Journey;Dry friction, sliding friction, abrasive wear, rolling, collision etc. are classified as according to the mechanical property rubbed is touched.
Touch rub 10 middle layer of bump leveller be metal-rubber layer 12, be a kind of elastic cellular substance of homogeneous, can pass through by
The wire of spiral status is emitted in an orderly manner in punching press (or rolling) mold, is then made of cold stamping method, high temperature,
There is good damping vibration attenuation effect under the environment such as low temperature, high pressure, high vacuum and high vibration.
A large amount of machines when with the rubber layer for touching the bump leveller that rubs rubbing occurs for rotor, stored by high-speed rotating rotor
In tool kinetic energy, there are about 5~10% rotation function by dry friction, abrasion, collision etc. it is a variety of touch rub in the form of be lost, be converted into
The energy of the diversified forms such as sound, vibration, heat;There are about the resistances that 5~10% rotation function will be touched the metal-rubber layer for the bump leveller that rubs
Buddhist nun's effect dissipates, and is converted into heat and touches the vibration for the bump leveller that rubs;And will be absorbed by kinetic energy buffer more than 80% rotation function,
It is converted into the rotation function of kinetic energy buffer.Rotor kinetic energy is passed to kinetic energy buffer by the process in the form of touching and rub, and is realized and is turned
Son touches the transmitting and conversion for the energy that rubs.
The above is only illustratively the present embodiment is illustrated, but the present embodiment is not limited to this.Touch the bump leveller that rubs
10 are also possible to the sleeve structure more than three layers, including at least one layer of rubber like layer wear-resistant material layer, be sleeved on it is resistance to
It grinds the damping vibration attenuation layer of at least one layer of metalloid rubber layer of material layer outer layer and is set with the similar carbon of damping vibration attenuation layer
The pedestal of steel loop pedestal;The shape of its each layer can be other axially symmetric structures in addition to ring-type.
Touching 10 internal layer of bump leveller that rubs can also be using silica gel or other wear resistant elastic material, such as graphite, sealing with holes
Plastics etc..Middle layer can also using spring ring, metal wound gasket is contour can elastic structural material.Outermost layer can also be using guarantor
Demonstrate,prove other metal materials of structural strength.
Kinetic energy buffer is also possible to other axial symmetry rotational structures, and specific pattern depends on the structure of rotor.This
The kinetic energy buffer of embodiment is tubular flywheel-type, and it is suitable for the rotating machineries that rotor is accumulated energy flywheel.Kinetic energy buffer
Effect is the kinetic energy for absorbing rotor storage, converts the rotation function of itself by touching to rub for the rotation function of rotor.For list
Position storage volumetric energy as much as possible, the higher carbon steel of density may be selected in kinetic energy buffer, so that kinetic energy buffer
With biggish rotary inertia.
Protective device of rubbing is touched using the present embodiment, can effectively control rotor rubbing development, as soon as possible by rotation function
It is transferred to kinetic energy buffer, so that the steady reduction of speed of rotor, effectively prevent rotating machinery fault and damage.Touching the bump leveller that rubs has very
Good rigidity and damping effect, can be very good absorption rotor touches the energy that rubs, effective protection rotor rubbing face.
The rotating machinery bump-scrape protective device of second embodiment of the invention, in order to achieve the purpose that brief description, above-mentioned
Any technical characteristic for making same application describes all and in this, without repeating identical narration in one embodiment.
As shown in Fig. 2, different from the first embodiment, touch rubber layer 11 and centre of the bump leveller 10 that rubs only including internal layer
The metal-rubber layer 12 of layer, metal-rubber layer 12 are directly set in kinetic energy buffer 20, and kinetic energy buffer 20 is and ball bearing
Integrated cyclic structure will touch protective device of rubbing by ball bearing and be installed on rotating machinery, and it is slow to touch the bump leveller 10 that rubs, kinetic energy
The rotor coaxial of device 20 Yu rotating machinery is rushed, rotor, which protrudes into, to be touched in the bump leveller 10 that rubs, and there are gaps with the rubber layer of internal layer 11.
It is similar with first embodiment, rotor rubbing development equally can be effectively controlled, rotation function is shifted as soon as possible
It kinetic energy buffer is given, so that the steady reduction of speed of rotor, effectively prevent rotating machinery fault and damage, and good absorption rotor touches
Rub energy, effective protection rotor rubbing face.
The kinetic energy buffer of the present embodiment is multilayer circular ring structure, it is suitable for the rotating machinery for the rotor that generally does work, than
Such as, the shaft of turbomachinery, the rotor of motor/generator, electro spindle rotor etc., since this rotor moment of inertia is smaller, with
Accumulated energy flywheel is compared, and the rotation function of storage is less, is touched to rub and is touched the bump leveller consumption kinetic energy that rubs when occurring, is converted into kinetic energy buffer
Kinetic energy, rotor gradually steady reduction of speed can be effectively prevented the failures such as shafting damage and bearing locking and occurs.
As shown in figure 3, third embodiment of the invention provides a kind of rotating machinery, including accumulated energy flywheel and aforementioned first
Protective device of rubbing is touched described in embodiment.
Rotating machinery further includes pedestal 31, and the vacuum casting 34 being fixed on pedestal 31,34 bottom end of vacuum casting is equipped with
Sliding bearing 32, the ball bearing 23 for touching protective device of rubbing are installed on 34 top of vacuum casting, the face of kinetic energy buffer flywheel 21
Permanent-magnet bearing 37 is installed to the inner wall of sliding bearing 32, the axis of 35 one end of accumulated energy flywheel is supported by sliding bearing 32, the axis with
There is dynamoelectric machine 33 between vacuum casting 34, the axis of the other end, which protrudes into, to be touched in the bump leveller 10 that rubs and there are certain with its internal layer
Gap is supported by Permanent-magnet bearing 37 or electromagnetic bearing, can be rotated around its symmetry axis.The protruding shaft 22 and a generator of kinetic energy buffer
36 are fixed in one, and generator 36 can be permanent magnet generator or other kinds of influence generator.Permanent-magnet bearing 37 can also be with
It is replaced with electromagnetic bearing.
For this rotating machinery, since accumulated energy flywheel is due to being stored with a large amount of rotation function, rotary inertia
Larger, general mechanical bearing is difficult to bear the operating condition of high-speed overload, therefore accumulated energy flywheel is generally using shown in Fig. 3 vertical
Formula bearing, and combine Permanent-magnet bearing and carry out axial gravity unloading, the generally weight of unloading 70%, then by sliding bearing or ball
Bearing is as aiding support.
Once accumulated energy flywheel shafting unstability, due to huge rotational kinetic energy, caused by damage can be very big, and rehabilitation cost
It is very high.For energy-storing flywheel system shown in Fig. 3, after shaft train instability, accumulated energy flywheel top will with touch the bump leveller that rub occur it is direct
Effect is rubber layer due to touching the bump leveller internal layer that rubs, there is elasticity and wearability well, can be very good protection accumulated energy flywheel top
Hold injury-free, and then touching the form of rubbing and touch from point and rubbing fast-developing is part and full annular rub, and the rotation function of accumulated energy flywheel will
Kinetic energy buffer is passed to quickly, and kinetic energy buffer also rotates.
Kinetic energy buffer and generator are fixed in one, have good load brake effect, kinetic energy is rapidly converted into
Power output charges a battery.The rotation function of storage flywheel by with the interaction of touching the bump leveller that rubs, quickly pass to
Kinetic energy buffer after generator connects electric loading, loses since the protruding shaft of kinetic energy buffer is equipped with permanent magnetism or influence generator
A large amount of kinetic energy of steady flywheel storage translate into electric energy, charge a battery, for users to use, to improve accumulated energy flywheel system
The whole efficiency of system.It is equivalent to the affixed integrated generator of kinetic energy buffer to kinetic energy buffer and is applied with reactive torque, lead to
Cross electric loading braking, accumulated energy flywheel rotation function be eventually converted into electric energy, can quickly braking stored-energy flywheel, be greatly decreased
It touches action time of rubbing, protects flywheel bad from touching abrasion to greatest extent, there is good protective effect and preferable economic effect
Benefit.
As shown in figure 4, fourth embodiment of the invention provides a kind of rotating machinery, including turbine and compressor and aforementioned
Protective device of rubbing is touched described in second embodiment.
Rotating machinery shown in Fig. 4 is a turbine generators, can be used for ORC (organic Rankine cycle) low-temperature cogeneration, can also be with
For supercritical carbon dioxide circulating generation, shafting structure is one end turbine 41, other end compressor 42, turbine 41 and is calmed the anger
Machine 42 is located in spiral case 43, and the centre of casing 44 is equipped with permanent magnet generator, and the shaft 46 of 45 two sides of rotor respectively installs a set of support
Bearing 47, such as gas bearing or sliding bearing, to support rotor 45 to rotate.One is respectively installed in the outside of spring bearing 47 to touch
It rubs protective device, touches protective device of rubbing by ball bearing and be installed on casing 44, touch the bump leveller that rubs, kinetic energy buffer 20 and rotor
45 is coaxial, and the shaft 46 of rotor, which passes through, touches the bump leveller that rubs, and there are gaps with the rubber layer of internal layer 11.
In order to improve the efficiency of turbine and compressor, the gap of the impeller and volute of turbine and compressor is smaller and smaller, and
When gas bearing or sliding bearing are run, it is easy to half-speed vortex even air film, oil whip occur, amplitude can increase the short time
Greatly, cause impeller to touch with volute to rub, once unstability will further result in rotor and spring bearing touch rub, locking, even result in forever
Magnetic generator is also damaged.
Different from the upright support structure of accumulated energy flywheel, the rotor of turbine generators is all made of horizontal type structure, and when operation is logical
Normal two ends of rotor amplitude is larger, i.e., the amplitude of shaft can be greater than bearing diameter of axle position shaft on the outside of gas bearing or sliding bearing
Amplitude.Protective device of rubbing will be touched to be mounted on the outside of bearing, when touch rub when, touching the bump leveller that rubs will touch first of the screen to rub
The rotation function of barrier, rotor will be quickly by touching the bump leveller dissipation that rubs, and quickly passes to kinetic energy buffer, and effectively control, which is touched, rubs
Development, avoids rotor from damaging.
Further, it rubs in order to enable touching the bump leveller that rubs and being touched prior to spring bearing with rotor, with rotor shaft
Gap is equal to the gap between spring bearing and rotor, that is, the gap for touching rub bump leveller internal layer rubber layer and rotor shaft is equal to branch
Support the gap between bearing and rotor.It is located on the outside of spring bearing due to touching the bump leveller that rubs, amplitude is bigger herein, therefore will be preferential
It touches and rubs, play a protective role.Due to being similar to the rotating machinery of turbine generators, the rotary inertia very little of rotor, storage
Rotation function it is seldom because It is not necessary to carry out electric energy recycling, only rub bump leveller and kinetic energy buffer touch rubbing by touching
Protection.The present embodiment can quickly absorb for the rotor axial system that generally does work, such as turbine generators and touch the energy that rubs, and avoid touching and rub
Further development leads to shaft and spring bearing locking.
So far, attached drawing is had been combined the present embodiment is described in detail.According to above description, those skilled in the art
Its rotating machinery of the protective device that should rub to of the invention touching and application has clear understanding.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and not only limiting
Various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out simply more it
Change or replaces, such as:
(1) direction term mentioned in embodiment, such as "upper", "lower", "front", "rear", "left", "right" etc. are only ginsengs
The direction for examining attached drawing, the protection scope being not intended to limit the invention;
(2) above-described embodiment can be based on the considerations of design and reliability, and the collocation that is mixed with each other uses or and other embodiments
Mix and match uses, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (4)
1. one kind touches protective device of rubbing, it is used for rotating machinery, including touch rub bump leveller and kinetic energy buffer;Wherein,
At least one layer of damping for touching the bump leveller that rubs and including at least one layer of wear-resistant material layer and being set in outside wear-resistant material layer
Damping layer;
Outermost damping vibration attenuation layer is installed on the kinetic energy buffer;
The kinetic energy buffer is axial symmetry rotational structure, and the protruding shaft and permanent magnet generator of the kinetic energy buffer are fixed in one
The protruding shaft of body, the kinetic energy buffer is installed on the vacuum casting top of permanent magnet generator, can absorb the rotation function of rotor,
The rotation function of the rotor is converted into the rotation function of the kinetic energy buffer by touching to rub, the rotation of the kinetic energy buffer
Kinetic energy is converted into power output by permanent magnet generator;The bump leveller that rubs that touches further includes a pedestal, outermost damping vibration attenuation
Layer is flush-mounted in the pedestal, and the pedestal is installed on the kinetic energy buffer;The kinetic energy buffer includes forming integrated fly
Wheel and protruding shaft, the pedestal are installed on the flywheel inner wall;
The damping vibration attenuation layer uses metal-rubber, spring ring or metal wound gasket.
2. touching protective device of rubbing as described in claim 1, the kinetic energy buffer is the cyclic structure with ball bearing one.
3. touching protective device of rubbing as described in claim 1, the wear-resistant material layer uses silica gel, rubber, graphite or with holes close
Seal plastics.
4. a kind of rotating machinery, including rotor and claims 1 to 3 is described in any item touches protective device of rubbing;The rotor
Protruding shaft for accumulated energy flywheel, the kinetic energy buffer is installed on rotating machinery by ball bearing, and the accumulated energy flywheel is by described
The support of the spring bearing of kinetic energy buffer and rotating machinery is touched described in insertion to rub and bump leveller and be stayed with the wear-resistant material layer of innermost layer
There is gap;
The rotor is supported by two sets of spring bearings, and the protective device of rubbing of touching is installed on the outside of spring bearing, and the rotor is worn
It crosses and described touches the bump leveller and there are gaps with the wear-resistant material layer of innermost layer of rubbing;The wear-resistant material for touching the bump leveller innermost layer that rubs
The gap of layer and rotor is equal to the gap between the spring bearing and rotor.
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CN109973227B (en) * | 2019-04-18 | 2021-08-20 | 江西科技师范大学 | Motor stator and rotor rub-impact shutdown protection device |
CN113241893B (en) * | 2021-05-31 | 2022-06-07 | 中国科学院工程热物理研究所 | Flywheel protection structure and energy storage system |
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EP0728378A4 (en) * | 1993-11-08 | 1998-03-04 | Rosen Motors Lp | Flywheel system for mobile energy storage |
CN102102722B (en) * | 2011-02-16 | 2012-06-13 | 东南大学 | Rub-impact damping protection device for high-speed rotating machinery |
CN201956793U (en) * | 2011-02-16 | 2011-08-31 | 东南大学 | Flywheel energy storing device with permanent magnetic bearing and thrust bearing |
CN105915015B (en) * | 2016-05-31 | 2018-08-07 | 武汉理工大学 | A kind of marine drive shafting vibration damping energy recycle device |
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US6630761B1 (en) * | 2000-08-10 | 2003-10-07 | Christopher W. Gabrys | Combination mechanical and magnetic support for a flywheel power supply |
CN105253239A (en) * | 2015-09-29 | 2016-01-20 | 重庆大学 | Bicycle and brake apparatus thereof |
CN205768713U (en) * | 2016-07-11 | 2016-12-07 | 西安科技大学 | A kind of automotive braking energy recovering device |
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