CN103036473B - Super magnetic telescopic high-frequency brake experiment table driver and assembling method thereof - Google Patents
Super magnetic telescopic high-frequency brake experiment table driver and assembling method thereof Download PDFInfo
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- CN103036473B CN103036473B CN201210530809.6A CN201210530809A CN103036473B CN 103036473 B CN103036473 B CN 103036473B CN 201210530809 A CN201210530809 A CN 201210530809A CN 103036473 B CN103036473 B CN 103036473B
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Abstract
The invention discloses a super magnetic telescopic high-frequency brake experiment table driver and an assembling method thereof. The super magnetic telescopic high-frequency brake experiment table driver comprises an amplifying mechanism and an exciter, wherein the amplifying mechanism is fixed on an extending end of an ejector pillar of the exciter through a second fixed bolt group, and the amplifying mechanism comprises a connection plate, a twisting-prevention rod and a flexible hinge displacement amplifier. The flexible hinge displacement amplifier is fixed on the connection plate through a flat screw, the twisting-prevention rod is contacted with the displacement amplifier and is fixed on the connection plate through a lat screw, and the exciter comprises an exciter outer shell, an exciting coil, a coil framework, an adjusting plug screw, a first magnetic conduction gasket, a super magnetic telescopic stick, a second magnetic conduction gasket, a disc spring group and the ejector pillar. The exciter outer shell comprises a top cover, a shell body, a bottom cover and a first fixed bolt group. The super magnetic telescopic high-frequency brake experiment table driver is suitable for transduction of stick-shaped super magnetic telescopic materials, and the super magnetic telescopic high-frequency brake experiment table driver has the advantages of being good in universal use performance, easy to machine, big in output displacement, and suitable for experiment environment, saving materials and the like, and a bias magnetic field and the curve of prestressing force are simple and convenient to adjust.
Description
Technical field
The present invention relates to super-magnetostrictive drive, particularly relate to a kind of super magnetic telescopic high-frequency brake experiment table driver and assemble method thereof.
Background technology
Along with the progress of science, High-speed machining, as the machine-building means of advanced person, causes in developed country and pays close attention to widely and developed rapidly.For high speed machine processing, quick position is very important technology.Along with the raising of process velocity and precision, system accuracy also needs corresponding raising.Simultaneously in order to increase work efficiency, also require that navigation system responds rapidly, accelerating, brake rapidly to realize quick position.But the braking technology of routine is difficult to realize high-speed high-precision positioning requirements, therefore explore high frequency braking mechanism, and develop high frequency braking system and require it is very urgent to the high position precision met needed for lathe.
Giant magnetostrictive material is a kind of emerging intellectual material, its size is flexible can with the proportional change of externally-applied magnetic field, and magnetostriction coefficient is much larger than traditional magnetostrictive material, have more response fast, power output is strong, strain is large, power density is high and the feature such as good reliability.By the end of at present, all have the research carried out in the application of different field for GMM both at home and abroad, application surface relates to the numerous areas such as Aero-Space, defence and military, electronics, machinery, oil, weaving, agricultural, greatly facilitates the technological progress of related industry.Because giant magnetostrictive material has above advantage, be therefore suitable for very much the driving original paper as high-frequency brake test platform.The super magnetic field that telescopic material need of work is stronger with greetings, as driving, often needs the driving magnetic field using super telescopic driver with greetings to provide its work necessary for giant magnetostrictive material in the application.
Direct Action Type super-magnetostrictive drive common at present adopts energization solenoid to provide excitation field usually, permanent magnet is adopted to provide bias magnetic field, the helical spring of single specification is adopted to provide pretightning force, employing integral housing designs, and directly exports the deformation that giant magnetostrictive material produces by magnetic fields during work.This design cannot change by magnetic field of permanent magnet, and the restriction that pretightning force adjustment curve cannot change, and wide usage is poor, is only applicable to single kind specification and the known giant magnetostrictive material of performance, is not suitable for the experimental situation that unknown quantity is more; The housing difficulty of processing of integral type is comparatively large, and waste material; Because the displacement of material deformation directly exports without amplification, cause output displacement less, the driver being not suitable as the braking equipment needing to make up gap uses.Present people thirst for a kind of novel super-magnetostrictive drive, solve the problem in reality.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of super magnetic telescopic high-frequency brake experiment table driver and assemble method thereof are provided.
Super magnetic telescopic high-frequency brake experiment table driver comprises enlarger, exciter, enlarger is fixed on exciter fore-set external part via the second hold-down screw group, and enlarger comprises connecting plate, anti-torsion bar, flexible hinge displacement amplifier, flexible hinge displacement amplifier is fixed on connecting plate by flat head screw, and anti-torsion bar contacts with displacement amplifier and is fixed on connecting plate by flat head screw, exciter bag exciter shell, excitation coil, coil rack, regulate plug screw, first magnetic conduction pad, giant magnetostrictive rod, second magnetic conduction pad, disc spring group, fore-set, exciter shell comprises top cover, housing, bottom, first hold-down screw group, top cover is fixed on shell one end by the first hold-down screw group, and bottom is fixed on the housing other end by the first hold-down screw group, the fore-set on exciter enclosure axis direction, second magnetic conduction pad, giant magnetostrictive rod, first magnetic conduction pad, regulate plug screw to be interconnected by bonding, regulate plug screw to be threaded connection on bottom, be provided with disc spring group between fore-set and top cover, be provided with coil rack between giant magnetostrictive rod and inner walls, excitation coil is evenly wound on coil rack,
Described excitation coil is that the enamel covered wire coiling being not less than 1.18mm forms by external diameter, is maximumly not less than 8A by electric current, and coil total number of turns is not less than 2500, and the theoretical magnetic field intensity that hub of a spool position produces is not less than 125A/m.
The material of described coil rack is take wood powder as the phenolic plastics of filler, adopts the turning of cylinder section bar to make.Described flexible hinge amplifier end connects brake block.
The assemble method of described super magnetic telescopic high-frequency brake experiment table driver is:
1) connecting plate is provided with the square groove for fixing flexible hinge amplifier, anti-torsion bar, square groove is provided with through hole, flexible hinge amplifier is identical with above-mentioned groove width with anti-torsion bar stiff end width, and bottom stiff end, be provided with the screwed hole matched with above-mentioned through hole, time fixing, square groove restriction flexible hinge amplifier on connecting plate and all rotational freedom of anti-torsion bar and the translational degree of freedom perpendicular to channel opening and connecting plate axis direction, screw coordinates residue two translational degree of freedom limiting flexible hinge amplifier and anti-torsion bar with above-mentioned through hole, screwed hole;
2) housing upper and lower end face is equipped with for fixed roof, the annular boss of bottom, annular boss is provided with screwed hole, top cover and bottom are all provided with the cannelure coordinated with above-mentioned annular boss installing end face, and in cannelure, be provided with the counter sink coordinated with above-mentioned screwed hole, time fixing, above-mentioned annular boss respectively with top cover, the cannelure of bottom coordinates, restriction top cover, bottom is perpendicular to the rotational freedom of two on housing axis direction and two translational degree of freedom, first hold-down screw group and above-mentioned through hole, screwed hole coordinates, restriction top cover, the translational degree of freedom of bottom on housing axis direction and rotational freedom.
Before the invention solves super-magnetostrictive drive owing to adopting, permanent magnet provides that bias magnetic field, preloading spring specification are single, housing adopts unitary design, displacement export the wide usage caused without amplifying poor, be difficult to regulate, difficulty of processing is large, waste material, output displacement is little, be not suitable for the problems such as the more experimental situation of unknown quantity.This super magnetic telescopic high-frequency brake experiment table driver provides bias magnetic field by excitation coil, makes the adjustment of bias magnetic field more easy; By using replaceable disc spring group to provide pretightning force as flexible member, pretightning force adjustment curve can be changed; By adopting Split type casing design, make the processing of housing components easier, material is more saved; By using groove-screw thread fixing means, make assembling more easily and dress to skim precision higher; By setting up flexible hinge enlarger, output displacement is made to be met braking system demand.This super magnetic telescopic high-frequency brake experiment table driver has that wide usage is good, bias magnetic field and prestressing force curve adjustment easy, be easy to processing, save material, output displacement is large, be applicable to the features such as high frequency braking experimental situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of super magnetic telescopic high-frequency brake experiment table driver;
Fig. 2 is the assembly structure schematic diagram of enlarger part;
Fig. 3 is the revolved sectional view of exciter;
Fig. 4 is the partial enlarged drawing in A portion in Fig. 3;
In figure, top cover 1, housing 2, excitation coil 3, coil rack 4, bottom 5, adjustment plug screw 6, first magnetic conduction pad 7, giant magnetostrictive rod 8, second magnetic conduction pad 9, first hold-down screw group 10, disc spring group 11, fore-set 12, connecting plate 13, second hold-down screw group 14, anti-torsion bar 15, flexible hinge amplifier 16, flat head screw 17.
Embodiment
As Fig. 1, 2, 3, shown in 4, super magnetic telescopic high-frequency brake experiment table driver comprises enlarger, exciter, enlarger is fixed on exciter fore-set 12 external part via the second hold-down screw group 14, and enlarger comprises connecting plate 13, anti-torsion bar 15, flexible hinge displacement amplifier 16, flexible hinge displacement amplifier 16 is fixed on connecting plate 13 by flat head screw 17, and anti-torsion bar 15 contacts with displacement amplifier 16 and is fixed on connecting plate 13 by flat head screw 17, exciter bag exciter shell, excitation coil 3, coil rack 4, regulate plug screw 6, first magnetic conduction pad 7, giant magnetostrictive rod 8, second magnetic conduction pad 9, disc spring group 11, fore-set 12, exciter shell comprises top cover 1, housing 2, bottom 5, first hold-down screw group 10, top cover 1 is fixed on housing 2 one end by the first hold-down screw group 10, and bottom 5 is fixed on housing 2 other end by the first hold-down screw group 10, the fore-set 12 on exciter enclosure axis direction, second magnetic conduction pad 9, giant magnetostrictive rod 8, first magnetic conduction pad 7, plug screw 6 is regulated to be interconnected by bonding, plug screw is regulated to be threaded connection on bottom 5, be provided with disc spring group 11 between fore-set 12 and top cover 1, be provided with coil rack 4 between giant magnetostrictive rod 8 and housing 2 inwall, excitation coil 3 is evenly wound on coil rack 4.
Giant magnetostrictive rod 8 produces driving magnetic field needed for magnetostrictive effect and for avoiding the bias magnetic field of frequency-doubled effect to provide by excitation coil 3, excitation coil 3 is that the enamel covered wire coiling being not less than 1.18mm forms by external diameter, short time is maximum is not less than 8A by electric current, coil total number of turns is not less than 2500, and the producible theoretical magnetic field intensity in hub of a spool position is not less than 125A/m; The material of coil rack 4 is take wood powder as the phenolic plastics of filler, adopts the turning of cylinder section bar to make.Flexible hinge amplifier 16 end connects brake block, and described excitation coil 3 connects ultra-magnetic telescopic high-frequency brake test platform control system.
The assemble method of super magnetic telescopic high-frequency brake experiment table driver:
1) connecting plate 13 is provided with for fixing flexible hinge amplifier 16, the square groove of anti-torsion bar 15, square groove is provided with through hole, flexible hinge amplifier 16 is identical with above-mentioned groove width with anti-torsion bar 15 stiff end width, and bottom stiff end, be provided with the screwed hole matched with above-mentioned through hole, time fixing, square groove restriction flexible hinge amplifier 16 on connecting plate 13 and all rotational freedom of anti-torsion bar 15 and the translational degree of freedom perpendicular to channel opening and connecting plate axis direction, screw 17 and above-mentioned through hole, screwed hole coordinates residue two translational degree of freedom of restriction flexible hinge amplifier 16 and anti-torsion bar 15,
2) housing upper and lower end face is equipped with for fixed roof 1, the annular boss of bottom 5, annular boss is provided with screwed hole, top cover 1 and bottom 5 are all provided with the cannelure coordinated with above-mentioned annular boss installing end face, and in cannelure, be provided with the counter sink coordinated with above-mentioned screwed hole, time fixing, above-mentioned annular boss respectively with top cover 1, the cannelure of bottom 5 coordinates, restriction top cover 1, bottom 5 is perpendicular to two rotational freedoms on housing 2 axis direction and two translational degree of freedom, first hold-down screw group 10 and above-mentioned through hole, screwed hole coordinates, restriction top cover 1, the translational degree of freedom of bottom 5 on housing 2 axis direction and rotational freedom.
The control method of super magnetic telescopic high-frequency brake experiment table driver is:
1) giant magnetostrictive rod 8 axial pre tightening force regulates plug screw 6 to realize by rotating, and turns clockwise and regulates plug screw 6, can increase pretightning force, is rotated counterclockwise and regulates plug screw 6 to reduce pretightning force;
2) regulate the adjustment of plug screw 6 displacements-giant magnetostrictive rod 8 axial pretightening force curve to be realized by configuration disc spring group 11, in disc spring group 11, the model of disc spring, quantity, installation direction all can adjust;
3) the multiplying power relation between the actual output displacement of driver and the deformational displacement of giant magnetostrictive rod 8 adjusts and realizes by changing flexible hinge amplifier.
Claims (1)
1. an assemble method for fixing super magnetic telescopic high-frequency brake experiment table driver, is characterized in that:
Described super magnetic telescopic high-frequency brake experiment table driver comprises enlarger, exciter, enlarger is fixed on exciter fore-set (12) external part via the second hold-down screw group (14), and enlarger comprises connecting plate (13), anti-torsion bar (15), flexible hinge amplifier (16), flexible hinge amplifier (16) is fixed on connecting plate (13) by flat head screw (17), anti-torsion bar (15) contacts with flexible hinge amplifier (16) and passes through flat head screw (17) and is fixed on connecting plate (13), and exciter comprises exciter shell, excitation coil (3), coil rack (4), regulate plug screw (6), first magnetic conduction pad (7), giant magnetostrictive rod (8), second magnetic conduction pad (9), disc spring group (11), fore-set (12), exciter shell comprises top cover (1), housing (2), bottom (5), first hold-down screw group (10), top cover (1) is fixed on housing (2) one end by the first hold-down screw group (10), bottom (5) is fixed on housing (2) other end by the first hold-down screw group (10), the fore-set (12) on exciter enclosure axis direction, second magnetic conduction pad (9), giant magnetostrictive rod (8), first magnetic conduction pad (7), plug screw (6) is regulated to be interconnected by bonding, plug screw is regulated to be threaded connection on bottom (5), disc spring group (11) is provided with between fore-set (12) and top cover (1), be provided with coil rack (4) between giant magnetostrictive rod (8) and housing (2) inwall, excitation coil (3) is evenly wound on coil rack (4),
Assemble method is:
1) connecting plate (13) is provided with for fixing flexible hinge amplifier (16), the square groove of anti-torsion bar (15), square groove is provided with through hole, flexible hinge amplifier (16) is identical with square groove groove width with anti-torsion bar (15) stiff end width, and bottom stiff end, be provided with the screwed hole matched with above-mentioned through hole, time fixing, square groove restriction flexible hinge amplifier (16) on connecting plate (13) and all rotational freedom of anti-torsion bar (15) and the translational degree of freedom perpendicular to channel opening and connecting plate axis direction, screw (17) and through hole, screwed hole coordinates residue two translational degree of freedom of restriction flexible hinge amplifier (16) and anti-torsion bar (15),
2) housing upper and lower end face is equipped with for fixed roof (1), the annular boss of bottom (5), annular boss is provided with screwed hole, top cover (1) and bottom (5) are all provided with the cannelure coordinated with above-mentioned annular boss installing end face, and in cannelure, be provided with the counter sink coordinated with housing (2) annular boss upper screwed hole, time fixing, annular boss respectively with top cover (1), the cannelure of bottom (5) coordinates, restriction top cover (1), bottom (5) is perpendicular to two rotational freedoms on housing (2) axis direction and two translational degree of freedom, first hold-down screw group (10) is through the through hole on top cover (1) and coordinate with the screwed hole on housing (2) annular boss, restriction top cover (1), the translational degree of freedom of bottom (5) on housing (2) axis direction and rotational freedom.
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| CN201210530809.6A CN103036473B (en) | 2012-12-11 | 2012-12-11 | Super magnetic telescopic high-frequency brake experiment table driver and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210530809.6A CN103036473B (en) | 2012-12-11 | 2012-12-11 | Super magnetic telescopic high-frequency brake experiment table driver and assembling method thereof |
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| CN103036473A CN103036473A (en) | 2013-04-10 |
| CN103036473B true CN103036473B (en) | 2015-05-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103216595A (en) * | 2013-04-11 | 2013-07-24 | 浙江大学 | Fillet-type-flexible-hinge-based micro-displacement high-power magnification mechanism and method thereof |
| CN106849742A (en) * | 2017-02-15 | 2017-06-13 | 沈阳工业大学 | The displacement amplifying mechanism of ultra-magnetic deformation actuator |
| CN112290825B (en) * | 2020-09-18 | 2021-09-24 | 浙大宁波理工学院 | Vibration handle of a knife based on giant magnetostriction processing high density aramid fiber paper honeycomb |
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| CN101324227A (en) * | 2007-06-12 | 2008-12-17 | 北京航空航天大学 | High-frequency tetrad composite hydraulic pumps and control method thereof |
| CN201435692Y (en) * | 2009-04-28 | 2010-03-31 | 河南优克电子材料有限公司 | Lever displacement amplifier driven by strictive material |
| CN102025288A (en) * | 2010-11-26 | 2011-04-20 | 大连理工大学 | Giant magnetostrictive actuator with permanet torque output and control method thereof |
| CN102029408A (en) * | 2010-10-27 | 2011-04-27 | 东南大学 | Rare-earth ultra-magnetostrictive actuator-based two-dimensional micro-feeding cutter frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2860658B1 (en) * | 2003-10-01 | 2006-01-13 | Hutchinson | ACTIVE DEVICE FOR DAMPING VIBRATIONS OF A VIBRATION ELEMENT |
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|---|---|---|---|---|
| CN101324227A (en) * | 2007-06-12 | 2008-12-17 | 北京航空航天大学 | High-frequency tetrad composite hydraulic pumps and control method thereof |
| CN201435692Y (en) * | 2009-04-28 | 2010-03-31 | 河南优克电子材料有限公司 | Lever displacement amplifier driven by strictive material |
| CN102029408A (en) * | 2010-10-27 | 2011-04-27 | 东南大学 | Rare-earth ultra-magnetostrictive actuator-based two-dimensional micro-feeding cutter frame |
| CN102025288A (en) * | 2010-11-26 | 2011-04-20 | 大连理工大学 | Giant magnetostrictive actuator with permanet torque output and control method thereof |
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Inventor after: Liu Yucheng Inventor after: Hong Ling Inventor after: Xu Aiqun Inventor after: Jia Xiangwu Inventor after: Huang Changlin Inventor after: Hu Shugen Inventor after: Song Xiaowen Inventor after: Wang Yun Inventor before: Hong Ling Inventor before: Liu Yucheng Inventor before: Xu Aiqun Inventor before: Jia Xiangwu Inventor before: Huang Changlin Inventor before: Hu Shugen Inventor before: Song Xiaowen Inventor before: Wang Yun |
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Free format text: CORRECT: INVENTOR; FROM: HONG LING LIU YUCHENG XU AIQUN JIA XIANGWU HUANG CHANGLIN HU SHUGEN SONG XIAOWEN WANG YUN TO: LIU YUCHENG HONG LING XU AIQUN JIA XIANGWU HUANG CHANGLIN HU SHUGEN SONG XIAOWEN WANG YUN |
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