CN102748419A - Magnetic suspension damping method - Google Patents
Magnetic suspension damping method Download PDFInfo
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- CN102748419A CN102748419A CN2011101013999A CN201110101399A CN102748419A CN 102748419 A CN102748419 A CN 102748419A CN 2011101013999 A CN2011101013999 A CN 2011101013999A CN 201110101399 A CN201110101399 A CN 201110101399A CN 102748419 A CN102748419 A CN 102748419A
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Abstract
The invention discloses a magnetic suspension damping principle and method which are creatively invented by applying the characteristic principle that magnetic force lines of a magnetic material attract each other in the same direction and repel in the opposite directions. According to the principle and method, a damping device is designed according to the application field and the damping aim. The damping effect of the magnetic suspension damping device designed by using the method disclosed by the invention is superior to that of the damping device in the prior art; and the magnetic suspension damping device has the advantages of favorable damping effect, simple structure, long service life, small occupied space, maintenance freeness and wide application range and is widely applied to the fields of national defense, traffic carrying vehicles and the like.
Description
Technical field:
Magnetic suspension oscillation damping method of the present invention relates to a kind of new vibration attenuation mechanism and technology, and the vibration damping equipment that uses art designs of the present invention to produce extensively is useful for fields such as national defence, communications and transportation, machinery, building.
Goal of the invention:
The objective of the invention is to country; Society provides a kind of new vibration attenuation mechanism and method; National defense and military fields particularly; For vibration and noise reducing, the quietness technology aspect on nuclear powered submarine, diesel electric submarines, naval vessel gets a promotion, for maneuverability and the supportability that improves equipment vehicles such as guided missile transportation, emission, communication, commander provides technical support, for improve cannon, the small arms firing precision provides safeguard.Aspect civilian, for traffic delivery means provides the vibration-damping function new technology, like the bus occupant seat, the full vehicle seats vibration damping of car, underground railway track vibration dampings etc. improve travelling comfort, health, Security, reliability.Suggestion the present invention limitation is applied to national defense and military equipment field, and for improving equipment capability, new product development provides the choice of technology.
Technical background:
Before the present invention proposed, existing damping technology had two big types, and one type is to use material with damping property like plastic foam, rubber, spring etc.Another kind of is vibration damping equipment, reaches the vibration damping purpose through vibration damping equipment, and its technology and method have mechanical vibration reducing and air vibration damping.Mechanical vibration reducing is through spring, and the effect of damper makes ocsillator strenght obtain decay, and the air vibration damping is to reach the vibration damping purpose with the air for the vibration damping media.This dual mode is existing main in the world vibration attenuation mechanism and technology; These two kinds of damping technologies all have a common shortcoming, and their mechanical structure all is hard the connection, and this has created passage for the transmission of ocsillator strenght; Effectively effectiveness in vibration suppression is within the specific limits; Need certain sufficient condition of elder generation besides, need power supply like the air vibration damping equipment, source of the gas.
Summary of the invention:
Principle of the present invention is the physical property that two magnetic material element magnetic lines of force of utilization are inhaled mutually in the same way, repelled each other relatively, is applied to antivibration area, uses the magnetic element of material different, prescription, explained hereafter various uses.
The raw material of magnetic element, prescription can be adjusted according to purposes, purpose, and can make various geometrical shapies, select magnetizing direction.The magnetic force decay of magnetic material element is about annual a thousandth.Magnetic material have high temperature demagnetization, frangible, produce the unfavorable factor in magnetic field, when design is used, to consider these factors, the defence of taking measures, screen close.Special magnetic material heatproof can reach more than 300 ℃, can satisfy the technical specifications of big portion magnetic suspension vibration damping equipment.The use of magnetic material element must be that two relative magnetic elements of the magnetic line of force are used, and two is one group.
Referring to illustration 2: use two 40 * 12 common high magnetic cells, be adsorbed on respectively on two block plates, make their magnetic line of force relative; Lower plate is placed on the simple and easy supporter; One people is vertically pressed to lower plate with upper plate, and a people's strength can not press together upper and lower plate, and another people impacts the lower plate bottom with hammer on the other hand; The transfer of vibration situation of another hand touch feeling upper plate and lower plate; The ocsillator strenght transmission of experiment proof lower plate is less than upper plate, and the magnetic force that repels mutually can have big bearing load ability, and principle is set up.Positioning rod among the figure is an experiment usefulness, and it also is the passage of transfer of vibration, does not have positioning rod in the technical products of the present invention.
Said structure can only solve the method for the object of which movement of a direction of restriction; Add a block plate again; Two same magnetic elements, like Fig. 3, just middle steel plate at magnetic force factor low suspension in the middle of upper and lower plates; Hit upper plate, lower plate and intermediate plate respectively and experience the transfer of vibration situation, have ready conditions and use the concrete data of apparatus measures.Solved the problem of the upper and lower motion both direction of control object like this; Other four directions are used same principle; Intermediate plate is not contacting low suspension in the magnetic force structure with any object; And can bear load, and the ocsillator strenght transmission of six direction is less than intermediate plate, and the ocsillator strenght of opposite intermediate plate is also transmitted less than six direction.
Do experiment and adopt three plates, the intermediate plate magnetic suspension is in the middle of upper and lower plate, and magnetic suspension damping block of the present invention has only two plates; The upper plate magnetic suspension is in lower plate; Or in the interior cover magnetic suspension its external sleeve, the upper and lower plates of magnetic suspension damping block can be respectively and vibration source, subtracted the thing installation position and connect; Also can vertically install, effectiveness in vibration suppression is constant.
Magnetic suspension vibration damping equipment of the present invention, it is made up of basic structure and magnetic element.Basic structure do not have specific shape, pattern, its shape can be plate class, cover class, lopps etc. other are irregularly shaped, its basic structure divides two partly, some is a connection vibration source or by the vibration damping thing; Be called top or inside; Another partly is that the magnetic suspension vibration damping equipment connects with storing, installation ground, is called bottom or outside, and the material of magnetic suspension damping device structure is according to selections such as purposes, purpose, technology, costs; Can be metal, non-metal kind, macromolecular material.The purpose of basic structure is N to be organized corresponding magnetic element be limited on the position with six directions, and installation is arranged, and connects function.
Magnetic suspension vibration damping equipment of the present invention, according to the technical parameter of purposes, purpose and structure, size decision magnetic element, usage quantity is installed restriction site, gap etc.The motion of a direction of control object can be adopted one or more groups, and a cover magnetic levitation system needs N group magnetic element.
Utilization principle of the invention technology, according to vibration damping purposes and purpose design magnetic suspension vibration damping equipment, comprehensive condition can be divided three classes:
The first kind: be the integral vibration damping purpose, the typical technology product is the magnetic suspension damping block, and its function is to need object, machine, the equipment of vibration damping to obtain thinking the body vibration damping.The product development project can be selected nuclear power, the diesel engine of diesel electric submarines, and generator produces the base damping block of the equipment of vibration during work such as water pump, make ocsillator strenght that these equipment produce drop to minimum through damping block to the influence of vibration of ship shell.The similar missile transporter vehicle a selected damping block, the Security of guided missile must be with raising, and can improve the speed of a motor vehicle, improves maneuverability.And the base damping block of the unmanned automatic gun of highi degree of accuracy, machine gun, middle-size and small-size bore warship canon, antiaircraft gun, high machine etc., improve the fire accuracy of cannon.The damping block of the seat of the equipment under the acceleration condition, tank, armored vehicle, commander, communication van etc., instrument, equipment etc.The magnetic suspension damping block that the present invention's technology is produced; Can accomplish 1 kilogram to 100 tons of bearing load; Even prior object carries out the universal effective vibration damping of integral body, the size and the structure of magnetic suspension damping block load, the prescription of magnetic element, technology, volume, magnetic force; Usage quantity is relevant, and is relevant with magnetic suspension damping block usage quantity.Magnitude is promptly enough under during the vibration damping of tank seat only needs one, and the magnetic suspension damping block of submarine diesel engine, a missile transporter vehicle some heavyweight of need, the instrument on communication, the information staff vehicles, display screen etc. only need light weight and get final product.The magnetic suspension damping block can arbitrary direction use, like display screen, and lower plate and the vertical installation of vehicle railway carriage wall, display screen is installed on the upper plate, and effect is constant.
Second type: to tubular body is purpose, and the typical technology product is the part or all of vibration damping of equipment for magnetic suspension vibration damping cover or ring, its function.Product development can be selected the vibration damping of opportunity of combat warship canon, guided missile, rocket-launching battery, frame, gun tube, gun barrel, improves fire accuracy.
The 3rd type: comprehensive, the vibration damping needs that are designed to satisfy equipment of its special shape, or comprehensively preceding two series products make a variation, and form comprehensive vibration insulating system, and it does not have specific shape, vibration insulating system tool secondary vibration-damping function.Product development can select the unmanned automatic gun of highi degree of accuracy, machine gun, high machine, warship short range cannon, tank ammunition vibration damping to touch piece etc.
The present invention can realize through following technical measures:
The magnetic suspension damping block that uses with conventional bavin electricity submarine diesel engine is the example item, and the submarine diesel engine power is big, and ocsillator strenght is high; Existing technology is at the some oil immersion property damping blocks of diesel engine bottom pad, sees Fig. 4, and it is by the square Plate Steel of two block lengths; The centre is worn around Spring Steel Wire and is formed, and ocsillator strenght obtains decay through the Spring Steel Wire distortion and reaches the vibration damping purpose, and shortcoming is that ocsillator strenght is delivered to down soon by Spring Steel Wire equally; Effectiveness in vibration suppression is in certain limit, and structure is direct hard friction, influences the life-span; Need to lubricate, produce greasy dirt, undamped system, its vibration frequency and diesel engine are synchronous, are easy to discerned by enemy's sonar.
Technical products magnetic suspension damping block of the present invention, it is by upper plate, lower plate, positive stop strip, magnetic element is formed.Upper plate is the U type groove by steel plate compression molding, and two long two short four assembly weldings form the rectangle upper plate on mounting plate; The opening of U groove is outside; Each horizontal vertical position welding steel bar of four edges below the upper plate, the top and bottom of the outside of steel bar and two long limit grooves are pasted with positive stop strip respectively; Positive stop strip has the rectangular hole of putting the rectangular magnetic element above by the macromolecular material moulding.Lower plate also is the U type groove of steel plate compression molding, four of two long two weak points, and wherein n shape is formed in the welding of a both sides groove and a translot, when assembling at last, another translot connects with the both sides groove, shaping rectangular lower plate, lower plate U channel opening is inside.The bottom of four U type grooves and groove top and bottom, limit are pasted with positive stop strip, in the rectangular hole of the positive stop strip on the upper and lower plates, press the relative principle of the magnetic line of force respectively and put the rectangular magnetic element.Use frock that upper plate is packed in the lower plate, another translot of lower plate is connected with lower plate both sides groove, formation is with integral body, unclamps to adorn to obtain product.Upper plate is suspended in the lower plate through the magnetic repellence effect of the magnetic element on upper plate and the lower plate, not direct contact any with lower plate; Each magnetic element on the upper plate; A position that is limited in designing with its corresponding magnetic element is all arranged, and two magnetic elements are one group, each one of upper plate, lower plate; The magnetic line of force is relative, and the certain designed gap is arranged between them.
The example item of technical products magnetic suspension damping block of the present invention uses 18 groups altogether, 36 magnetic elements, and each 18 of upper plate, lower plates, four groups of control upper plates seesaw, four groups of control side-to-side movements, four groups of controls move upward, and six groups of controls move downward.
The present invention thinks ratio with prior art:
1. the universal vibration-damping function of tool, little, the good damping result of amplitude.
2. application is wide, the design space big, product takes up room little.
3. technology is simple, cost is low, use standard equipment, adapts to and produces in batches.
Life-span long, use effectiveness in vibration suppression unattenuated for a long time.
Without damper, not electricity consumption, without source of the gas, do not lubricate, do not keep in repair, do not maintain.
Description of drawings:
Fig. 1: the outline drawing of the present invention's example magnetic suspension damping block.
Fig. 2: principle of the invention experiment schematic representation.1. detect the transfer of vibration situation, 2. detect the bearing load situation.
Fig. 3: principle of the invention experiment schematic representation, the transfer of vibration effect of suspension board in the middle of detecting.
Fig. 4: existing technology submarine diesel engine base vibration damping equipment schematic representation.
Fig. 5: the upper plate plan view of the present invention's example magnetic suspension damping block, plan view.(mounting plate in the above during use)
Fig. 6: the lower plate plan view of the present invention's example magnetic suspension damping block, plan view.
Fig. 7: the positive stop strip plan view of the present invention's example magnetic suspension damping block, sectional view.
Fig. 8: the schematic representation of upper plate magnetic suspension in lower plate of the present invention's example magnetic suspension damping block.
The specific embodiment of the invention:
Referring to illustration 1, Fig. 5 to Fig. 8, the example of a magnetic suspension oscillation damping method of the present invention magnetic suspension damping block, it is made up of upper plate (1), lower plate (2), positive stop strip (3), magnetic element (4).Upper plate is the U type groove by steel plate compression molding, same specification, and two long two is short; Assembly welding is gone up at mounting plate (14) and is formed rectangular upper plate (1); The opening of U type groove is outside, each horizontal vertical position welding steel bar (5) of following four limits of upper plate (1), and the outside of steel bar (5) is bonded with positive stop strip (3); Limit groove (6), (7) above and below of upper plate (1) are stained with positive stop strip (3) equally, and the rectangular hole (8) of placing rectangular magnetic element (4) is arranged on the positive stop strip (3).Lower plate (2) also is the U type groove of steel plate compression molding; Same specification, two long two is short, but the assembly welding rectangularity; Wherein both sides groove (9), (10) are welded into an integral body with an end slot (11); Another end slot (12) connects with both sides groove (9), (10) when assembling at last and forms rectangular lower plate (2), and both sides groove (9), (10) respectively are welded with installs angle steel (13), and the U type groove (9) of lower plate (2), (10), (11), (12) opening are inside; Four interior bottom surfaces of groove are bonded with positive stop strip (3), the top and following positive stop strip (3) that is stained with respectively in limit groove (9), (10).In upper plate (1), put magnetic element (4) in the positive stop strip (3) on the lower plate (2), use assembly tooling that upper plate (1) is packed in the lower plate (2), another end slot (12) of lower plate (2) is connected with both sides groove (9), (10) of lower plate (2), form an integral body.
Claims (4)
1. magnetic suspension oscillation damping method of the present invention is characterized in that using the physical property principle of magnetic material, is applied to the method for antivibration area.Inhale mutually in the same way according to two magnetic material element magnetic lines of force, the physical features that repels each other relatively, design magnetic suspension vibration damping equipment is created a kind of new magnetic suspension oscillation damping method and technology.
2. magnetic suspension oscillation damping method of the present invention according to claims 1 described magnetic suspension vibration damping equipment, is characterized in that it is made up of basic structure and magnetic element.Practical application is according to purposes, purpose utilization the inventive method design magnetic suspension vibration damping equipment, and it can be that other are irregularly shaped for plate class, lopps, cover class etc. that the structure of magnetic suspension vibration damping equipment does not have specific shape, pattern, its shape.Its basic structure divides two partly, and some is to connect vibration source or by the vibration damping thing, be called top or inside.Another partly is the storing that connects the magnetic suspension vibration damping equipment, installation ground, be called bottom or outside.The structural material of magnetic suspension vibration damping equipment can be metal, nonmetal, macromolecular material according to selections such as purposes, purpose, technology, costs.
3. magnetic suspension oscillation damping method of the present invention is according to claims 2 described magnetic elements, according to technology, prescription, geometrical shape, the magnetizing direction of purposes purpose decision magnetic material; Per two magnetic elements are one group, make their magnetic line of force form the state that repels each other relatively during assembling, and one group of magnetic element can be controlled the object of which movement of a direction; If magnetic suspension vibration damping equipment volume is bigger; Can adopt many groups, use N group magnetic element, be distributed in the six direction of magnetic suspension damping device structure; Just can control six direction, realize universal vibration damping.
4. magnetic suspension oscillation damping method of the present invention; According to the basic structure and the magnetic element of claims 2,3 described magnetic suspension vibration damping equipments, it is characterized in that N organizes magnetic element and puts respectively, be installed in top or inner and the bottom or the outside interior position of correspondence each other of basic structure; And the gap that designs arranged; In the bottom, or inside is suspended in the outside assembling superior posterior at the magnetic force low suspension, does not have directly each other to contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101013999A CN102748419A (en) | 2011-04-22 | 2011-04-22 | Magnetic suspension damping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101013999A CN102748419A (en) | 2011-04-22 | 2011-04-22 | Magnetic suspension damping method |
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| Publication Number | Publication Date |
|---|---|
| CN102748419A true CN102748419A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101013999A Pending CN102748419A (en) | 2011-04-22 | 2011-04-22 | Magnetic suspension damping method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657377A (en) * | 2018-05-23 | 2018-10-16 | 武汉麦康德设备有限公司 | Four buckets are nested shape marine pump group vibration isolation mounts |
| CN109296685A (en) * | 2018-11-29 | 2019-02-01 | 美钻深海能源科技研发（上海）有限公司 | Underwater magnetcisuspension damper |
| CN112727973A (en) * | 2020-12-30 | 2021-04-30 | 清华大学 | Magnetic liquid vibration damper |
| RU2780875C1 (en) * | 2022-03-24 | 2022-10-04 | Акционерное общество "Завод N 9" (АО "Завод N 9") | Towed artillery piece transported on an external helicopter sling |
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| FR2586462B1 (en) * | 1985-08-21 | 1987-10-30 | Alsthom | DEVICE FOR MAGNETICALLY SUPPORTING A LOAD |
| JPH04317745A (en) * | 1991-04-16 | 1992-11-09 | Ebara Corp | Magnetic levitation type vibration damping system |
| CN1179201A (en) * | 1995-03-21 | 1998-04-15 | 泰尔狄克斯有限公司 | Magnetically mounted oscillation-damped flywheel |
| DE69315768T2 (en) * | 1992-08-26 | 1998-07-16 | Ebara Corp | Device for eliminating vibrations of the "zero force control" type |
| JP2001239490A (en) * | 2000-02-24 | 2001-09-04 | Sumitomo Special Metals Co Ltd | Magnetic suspension and support device |
| CN2509007Y (en) * | 2001-08-06 | 2002-09-04 | 马加良 | Magnetic suspension vibration damper |
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2011
- 2011-04-22 CN CN2011101013999A patent/CN102748419A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586462B1 (en) * | 1985-08-21 | 1987-10-30 | Alsthom | DEVICE FOR MAGNETICALLY SUPPORTING A LOAD |
| JPH04317745A (en) * | 1991-04-16 | 1992-11-09 | Ebara Corp | Magnetic levitation type vibration damping system |
| DE69315768T2 (en) * | 1992-08-26 | 1998-07-16 | Ebara Corp | Device for eliminating vibrations of the "zero force control" type |
| CN1179201A (en) * | 1995-03-21 | 1998-04-15 | 泰尔狄克斯有限公司 | Magnetically mounted oscillation-damped flywheel |
| JP2001239490A (en) * | 2000-02-24 | 2001-09-04 | Sumitomo Special Metals Co Ltd | Magnetic suspension and support device |
| CN2509007Y (en) * | 2001-08-06 | 2002-09-04 | 马加良 | Magnetic suspension vibration damper |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108657377A (en) * | 2018-05-23 | 2018-10-16 | 武汉麦康德设备有限公司 | Four buckets are nested shape marine pump group vibration isolation mounts |
| CN108657377B (en) * | 2018-05-23 | 2024-01-30 | 武汉麦康德设备有限公司 | Four-bucket overlapping type marine pump set vibration isolation base |
| CN109296685A (en) * | 2018-11-29 | 2019-02-01 | 美钻深海能源科技研发（上海）有限公司 | Underwater magnetcisuspension damper |
| CN112727973A (en) * | 2020-12-30 | 2021-04-30 | 清华大学 | Magnetic liquid vibration damper |
| RU2780875C1 (en) * | 2022-03-24 | 2022-10-04 | Акционерное общество "Завод N 9" (АО "Завод N 9") | Towed artillery piece transported on an external helicopter sling |
| RU2786273C1 (en) * | 2022-05-25 | 2022-12-19 | Акционерное общество "Завод N 9" (АО "Завод N 9") | Removable equipment for transporting a towed artillery gun on an external helicopter sling |
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Application publication date: 20121024 |