CN110445414A - The novel actuator with three-level enlarger of bar offer axial magnetic field - Google Patents
The novel actuator with three-level enlarger of bar offer axial magnetic field Download PDFInfo
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- CN110445414A CN110445414A CN201910715681.2A CN201910715681A CN110445414A CN 110445414 A CN110445414 A CN 110445414A CN 201910715681 A CN201910715681 A CN 201910715681A CN 110445414 A CN110445414 A CN 110445414A
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 192
- 238000006073 displacement reaction Methods 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000003321 amplification Effects 0.000 claims description 239
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 239
- 239000000178 monomer Substances 0.000 claims description 124
- 239000007787 solid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
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- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
- H02N2/043—Mechanical transmission means, e.g. for stroke amplification
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Abstract
The invention discloses a kind of bars to provide the novel actuator with three-level enlarger of axial magnetic field, comprising: non-magnetic shell, magnetic conductive frame, magnet exciting coil, assembly, three-level micro displacement magnifying mechanism, output rod；Magnet exciting coil is sleeved on outside assembly, and magnet exciting coil is placed in magnetic conductive frame, and magnetic conductive frame and assembly constitute closed magnetic circuit；Magnetic conductive frame is arranged in non-magnetic shell, and non-magnetic shell is for constraining magnetic conductive frame；One end of assembly connects magnetic conductive frame, the input lever of other end connection three-level micro displacement magnifying mechanism, the fixing end of three-level micro displacement magnifying mechanism is connected in magnetic conductive frame, output end connect output rod rear end, the front end of output rod never magnetic conductive shell through-hole stretch out；Three-level micro displacement magnifying mechanism will pass to output rod after the displacement equations of assembly, output rod will be for that will be displaced output.The present invention effectively increases the output displacement of driver, reduces the volume of driver, so that driver minimizes.
Description
Technical field
The present invention relates to a kind of accurate control techniques, specifically, be related to a kind of bar provide axial magnetic field with three-level
The novel actuator of enlarger.
Background technique
In recent years, high-resolution, fast response time each quasi-driver be widely used, application range include: microelectronics,
The every field such as nanotechnology, biomedical engineering, Precision Machining.As technology continues to develop, to all kinds of indexs of driver
More stringent requirements are proposed.Giant magnetostrictive material has big strain value, high response speed, high-energy density, big electromechanics
A series of excellent characteristics such as the coefficient of coup, high reliability show good application prospect in field of drivers.
For needing lower output areas some, such as 100 μm hereinafter, or some pairs of driver volumes there is no limit
Under environment, magnetic telescopic driver can complete independently operation, do not need by ancillary equipment.But it is required in some outputs biggish
Field and/or the environment that driver volume is limited, it is single fulfil assignment by magnetic telescopic driver be it is inadequate,
The device for just needing a kind of pair of driver output displacement to amplify at this time.
Flexible hinge has many advantages, such as that no friction, gapless, Motion Resolution rate are high as machine driving and supporting mechanism, In
Micro displacement magnifying mechanism field is widely used.The working principle of flexible displacement amplifying mechanism is become by the elasticity of flexible hinge
Shape is moved, and in order to avoid hunt effect and the warm error brought, the configuration of mechanism mostly uses axisymmetric to design greatly.But
It is that there are some problems for such design: in the case where enlarger constancy of volume, in order to guarantee symmetrical structure, to times magnification
The effective transverse structure of number only has half, and in the case where guaranteeing amplification factor, whole transverse structure can expand one again
Times.In addition, generally all driver is placed on inside enlarger since enlarger volume is larger.In this way take into account it is small
Under the working condition of volume and big amplification factor, the application of flexible displacement amplifying mechanism will be restricted.
China Patent Publication No. CN1670977A discloses a kind of magnetostrictive actuator, including magnetostriction element, drive
Dynamic stick, electromagnetic coil, shell, wherein shell is made of the permanent magnet of tubulose and ferromagnet, is applied for magnetostriction element static
Bias magnetic field, the magnetic field and quiescent biasing magnetic field superposition generated using electromagnetic coil shorten magnetostriction element elongation.Its benefit
It is externally exported with the strain of magnetostriction materials itself, output displacement is smaller；Permanent magnet is placed in shell, externally generates magnetic field,
Actuator, which nearby has, is easy to influence internal bias magnetic field to influence actuator output when ferromagnetic material.
Chinese patent literature CN2376137Y discloses a kind of super magnetostriction material high-speed strong microdisplacement mechanism, in cylinder
Magnetostrictive rod, the drive block of the lower end of magnetostrictive rod and two deformations for being mounted in sleeve two sides are housed in intracorporal magnet exciting coil
Beam upper surface is in contact, and the mandril in sleeve is in contact with the lower port of two variable shaped beams, changes electric current on magnet exciting coil
Size, i.e., the size of changeable output displacement.It being driven using magnetostriction barred body, magnet exciting coil generates magnetic field after being powered,
Magnetostriction materials are extended, output displacement and power are transmitted to fixed variable shaped beam input terminal, cause its flexible deformation, by defeated
Outlet is by displacement equations.Variable shaped beam enlarger utilizes lever amplification principle, and 5.1 times of maximum amplification, cantilever beam amplifies
Mechanism amplification factor is smaller, and radial volume is larger, larger for the loss of power output.
Chinese patent CN101166005A discloses a kind of micro-displacement mechanism of giant magnetostrictive material driving, including cylinder
Body, drive plate, lower limit circle, magnet exciting coil, magnetostrictive rod, upper limit disk, output rod, pedestal, resets bullet at lever construction
Spring is equipped with enlarger between magnetostriction barred body and output rod, has lever building and drive plate to constitute.Utilize one to three-level
Lever amplifies the output displacement of magnetostriction barred body, and radial volume is larger, and since enlarger components are more,
Assembly complexity is higher in small size driver, realizes more difficulty, while causing its output accuracy and reliability decrease.
With being increasingly miniaturized for present various accurate devices, the requirement to driver is similarly improved, existing at present
Although the mode that enlarger is placed on the inside of driver can be minimized driver volume, enlarger part
Volume can still restrict its use, and how to keep the volume of driver to obtain big output displacement while miniaturization is still one
A problem to be solved.
Summary of the invention
Technical problem solved by the invention be to provide a kind of bar provide axial magnetic field with three-level enlarger
Novel actuator effectively increases the output displacement of driver, reduces driver under the premise of same output condition
Volume, so that driver minimizes.
Technical solution is as follows:
A kind of novel actuator with three-level enlarger of bar offer axial magnetic field, comprising: non-magnetic shell is led
Magnet frame frame, magnet exciting coil, assembly, three-level micro displacement magnifying mechanism, output rod；Magnet exciting coil is sleeved on outside assembly, is encouraged
Magnetic coil is placed in magnetic conductive frame, and magnetic conductive frame and assembly constitute closed magnetic circuit；Magnetic conductive frame is arranged in non-magnetic shell
Interior, non-magnetic shell is for constraining magnetic conductive frame；One end of assembly connects magnetic conductive frame, and other end connection three-level micro-displacement is put
The input lever of great institutions, assembly pass to three-level micro displacement magnifying mechanism for that will be displaced, three-level micro displacement magnifying mechanism
Fixing end is connected in magnetic conductive frame, and output end connects the rear end of output rod, the through-hole of the front end of output rod never magnetic conductive shell
It stretches out；Three-level micro displacement magnifying mechanism will pass to output rod after the displacement equations of assembly, output rod will be for that will be displaced output.
Further, assembly includes: magnetizer, permanent magnet, magnetostrictive rod, and magnetizer includes multiple magnetic conduction monomers, forever
Magnet includes multiple permanent magnetic monomers, and magnetostrictive rod includes multiple magnetostrictive rod monomers；Magnetic conduction monomer is connected to permanent magnetism
Monomer two sides, form magnet unit, and magnet unit is connected to magnetostrictive rod monomer two sides；The magnetic conduction monomer of rear end connects magnetic conduction
The magnetic conduction monomer of frame, front end connects three-level micro displacement magnifying mechanism.
Further, alternate intervals are distributed in the axial direction for magnet unit and magnetostrictive rod.
Further, three-level micro displacement magnifying mechanism includes two asymmetric three-level enlarged structures, and two asymmetric three-levels are put
Big structure position is opposite and folded spell is arranged, the magnetic conduction monomer of the input terminal connection assembly of asymmetric three-level enlarged structure.
Further, asymmetric three-level enlarged structure includes three asymmetric amplifying units mutually concatenated, and three asymmetric to put
Big unit is respectively first order amplifying unit, second level amplifying unit, third level amplifying unit；The structure of asymmetric amplifying unit
It include: amplification output rod, amplification fixed link, input terminal hinge, amplification fixing end hinge；Amplify output rod lateral arrangement, amplification
The lower part that fixed link is hingedly connected at amplification output rod by amplifying fixing end, amplification fixing end hinge are located at amplification output rod and lean on
The position of close end；The lower part of amplification output rod is arranged in input terminal hinge, and is located at the inside of amplification fixing end hinge；First
The input terminal hinge of grade amplifying unit connects input terminal, and second level amplifying unit is single by the connection first order amplification of input terminal hinge
The top of the amplification output rod of member；Third level amplifying unit connects the amplification output of second level amplifying unit by input terminal hinge
The top at the top of bar, third level amplifying unit connects output end, output end lateral arrangement by amplification output hinge；Input terminal
Hinge, amplification fixing end hinge, amplification output hinge use flexible hinge；Two amplification fixed links being in contact are connected, and two
A output end being in contact is connected.
Further, pass through the input of adjusting first order amplifying unit, second level amplifying unit or third level amplifying unit
End hinge adjusts amplification factor in the position of amplification output rod.
Further, the amplification fixed link of third level amplifying unit is connected with the amplification fixed link of first order amplifying unit.
Further, the end of the input lever of two asymmetric three-level enlarged structures is fixed with the magnetic conduction monomer of assembly respectively
Connection, output end and output end are fixedly connected with the rear end of output rod respectively；The fixed link of asymmetric three-level enlarged structure is distinguished
It is fixedly connected with magnetic conductive frame.
The technology of the present invention effect includes:
The present invention utilizes multiple groups identical magnetostrictive rods and multiple groups set of permanent magnets synthesis magnetostrictive rod and permanent magnet
Assembly can be applied to include microelectronics, nanotechnology, biomedical engineering to provide uniform axial permanent magnetic magnetic field, accurate
Processing and other fields.
1. being exaggerated, having to the displacement of former driver due to using the three-level enlarger based on flexible hinge
The output displacement of driver is increased to effect, while the volume of driver can also be reduced, so that driver minimizes.The present invention by
In using the three-level enlarger based on flexible hinge, the displacement of former driver is exaggerated, drive is effectively increased
The output displacement of dynamic device minimizes driver under the premise of same output.
2. due to the inside that enlarger is placed in rareearth super magnetostrictive driver, and vacant additional space, because
This extends its application environment while holding driver big output displacement.
3. the combination of permanent magnetism magnetic conduction is added between multiple groups magnetostriction barred body and each group magnetostriction barred body due to using
Body, the method for forming assembly effectively improve the uniformity coefficient of bias magnetic field, make the work of rareearth super magnetostrictive driver
It is more stable to make state.
Detailed description of the invention
Fig. 1 is the structural representation for the novel actuator with three-level enlarger that bar provides axial magnetic field in the present invention
Figure；
Fig. 2 is the structural schematic diagram of assembly in the present invention；
Fig. 3 is the structural schematic diagram of three-level micro displacement magnifying mechanism in the present invention；
Fig. 4 is the structural schematic diagram of asymmetric amplifying unit in the present invention；
Fig. 5 is the structural schematic diagram of asymmetric three-level enlarged structure in the present invention；
Fig. 6 is the structural schematic diagram of asymmetric three-level enlarged structure a in the present invention；
Fig. 7 is the structural schematic diagram of asymmetric three-level enlarged structure b in the present invention；
Fig. 8 is the structural schematic diagram of embodiment 1 in the present invention；
Fig. 9 is the structural schematic diagram of the assembly of embodiment 2 in the present invention；
Figure 10 is the structural schematic diagram of the assembly of embodiment 3 in the present invention.
Specific embodiment
Be described below and specific embodiments of the present invention be fully shown, with enable those skilled in the art to practice and
It reproduces.
As shown in Figure 1, being that bar provides the novel actuator with three-level enlarger of axial magnetic field in the present invention
Structural schematic diagram.
The novel actuator with three-level enlarger 5 of bar offer axial magnetic field, comprising: non-magnetic shell 1, magnetic conduction
Frame 2, magnet exciting coil 3, magnetostrictive rod and the assembly 4 of permanent magnetism magnetic conduction combination, three-level micro displacement magnifying mechanism 5, output
Bar 6.
Magnet exciting coil 3 is sleeved on outside assembly 4, and magnet exciting coil 3 is placed in magnetic conductive frame 2, magnetic conductive frame 2 with combine
Body 4 constitutes closed magnetic circuit；Magnetic conductive frame 2 is arranged in non-magnetic shell 1, and non-magnetic shell 1 is for constraining magnetic conductive frame 2；Group
One end of zoarium 4 connects magnetic conductive frame 2, and the other end connects the input lever of three-level micro displacement magnifying mechanism 5, and assembly 4 is used for will
Displacement passes to three-level micro displacement magnifying mechanism 5, and the fixing end of three-level micro displacement magnifying mechanism 5 is connected in magnetic conductive frame 2, defeated
Outlet connect output rod 6 rear end, the front end of output rod 6 never magnetic conductive shell 1 through-hole stretch out；Three-level micro displacement magnifying mechanism
5 will pass to output rod 6 after the displacement equations of assembly 4, output rod 6 exports displacement.
As shown in Fig. 2, being the structural schematic diagram of assembly 4 in the present invention.
The structure of assembly 4 includes: magnetizer, permanent magnet, magnetostrictive rod, and magnetizer includes multiple magnetic conduction monomers (mark
Number for 401,403,405,407 ..., 4 (4n-3), 4 (4n-1), 4 (4n+1), 4 (4n+3), wherein n >=1), permanent magnet includes
Multiple permanent magnetic monomers (marked as 402,406 ..., 4 (4n-2), 4 (4n+2), wherein n >=1), magnetostrictive rod includes multiple
Magnetostrictive rod monomer (marked as 404 ..., 4 (4n), wherein n >=1).Magnetic conduction monomer is connected to permanent magnetic monomers two sides,
Magnet unit is formed, magnet unit is connected to magnetostrictive rod monomer two sides.The magnetic conduction monomer of rear end connects magnetic conductive frame 2, preceding
The magnetic conduction monomer at end connects three-level micro displacement magnifying mechanism 5.Alternate intervals are divided in the axial direction for magnet unit and magnetostrictive rod
Cloth.
Magnetic conduction monomer 401 connects permanent magnetic monomers 402, and permanent magnetic monomers 402 connect magnetic conduction monomer 403, and magnetic conduction monomer 403 connects
Magnetostrictive rod monomer 404；Magnetostrictive rod monomer 404 connects magnetic conduction monomer 405, and magnetic conduction monomer 405 connects permanent magnetic monomers
406, permanent magnetic monomers 406 connect magnetic conduction monomer 407 ... ..., and magnetic conduction monomer 4 (4n-3) connects permanent magnetic monomers 4 (4n-2), permanent magnetism list
Body 4 (4n-2) connects magnetic conduction monomer 4 (4n-1), and magnetic conduction monomer 4 (4n-1) connects magnetostrictive rod monomer 4 (4n), magnetostriction
Stick monomer 4 (4n) connects magnetic conduction monomer 4 (4n+1), and magnetic conduction monomer 4 (4n+1) connects permanent magnetic monomers 4 (4n+2), permanent magnetic monomers 4
(4n+2) connects magnetic conduction monomer 4 (4n+3), forms assembly 4.
As shown in figure 3, being the structural schematic diagram of three-level micro displacement magnifying mechanism 5 in the present invention.
Three-level micro displacement magnifying mechanism 5 includes: two asymmetric three-level enlarged structures, i.e., asymmetric three-level enlarged structure a
The opposite and arranged superposed with the position of asymmetric three-level enlarged structure b, two asymmetric three-level enlarged structures, two asymmetric three
After grade enlarged structure overlapping, two input terminals 502 being in contact are connected, and two input levers 505 being in contact are connected, and two
The amplification fixed link 512 being in contact is connected, and two output ends 503 being in contact are connected.Three-level micro displacement magnifying mechanism its
Its unattached portion can be move freely.Input lever 505 can facilitate the introduction of micro-displacement.
Two asymmetric three-level enlarged structure positions are on the contrary, after i.e. one asymmetric 180 ° of three-level enlarged structure flip horizontal
For another asymmetric three-level enlarged structure.
As shown in figure 4, being the structural schematic diagram of asymmetric amplifying unit 501 in the present invention.
Asymmetric amplifying unit 501 includes: amplification output rod 511, amplification fixed link 512, input terminal hinge 513, amplification
Fixing end hinge 514；Amplify 511 lateral arrangement of output rod, amplification fixed link 512 is connected to by amplifying fixing end hinge 514
Amplify the lower part of output rod 511, amplification fixing end hinge 14 is located at the position that amplification output rod 511 leans on close end；Input terminal hinge
The lower part of amplification output rod 511 is arranged in chain 513, and is located at the inside of amplification fixing end hinge 514.Input terminal hinge 513 is put
Big fixing end hinge 514 uses flexible hinge.
Using lever principle, the end for amplifying 514 pairs of fixing end hinge amplification output rods 511 plays a part of to draw, input terminal
Hinge 513 plays a supportive role, and can change times magnification in the position of amplification output rod 511 by adjusting input terminal hinge 513
Number.
Asymmetric amplifying unit 501 uses non axial symmetrical structure, and it is right in traditional axial symmetry mode to efficiently avoid
The invalid part the space occupied of amplification effect, reduces the volume of enlarger.
As shown in figure 5, being the structural schematic diagram of asymmetric three-level enlarged structure in the present invention.
Asymmetric three-level enlarged structure, comprising: three asymmetric amplifying units 501 mutually concatenated, three asymmetric amplifications
Unit 501 is respectively first order amplifying unit, second level amplifying unit, third level amplifying unit；First order amplifying unit it is defeated
Enter to hold hinge 513 to connect input terminal 502, input terminal 502 is connected with input lever 505；Second level amplifying unit is cut with scissors by input terminal
Chain 513 connects the top of the amplification output rod 511 of first order amplifying unit；Third level amplifying unit passes through input terminal hinge 513
Connect the top of the amplification output rod 11 of second level amplifying unit, the amplification fixed link 512 and the first order of third level amplifying unit
The amplification fixed link 12 of amplifying unit is connected；The amplification fixed link 512 of three asymmetric amplifying units 501 is located at input terminal
502 two sides；The top of third level amplifying unit connects output end 503, the lateral cloth of output end 503 by amplification output hinge 504
It sets.Amplification output hinge 504 uses flexible hinge.
It can be put by adjusting the input terminal hinge 513 of level-one enlarger in the position of amplification output rod 511 to adjust
Big multiple, further, by the input terminal hinge 513 and amplification output rod 511 that adjust second level enlarger, three-level enlarger
Link position change amplification factor.
The amplification method of three-level micro displacement magnifying mechanism, specific steps include:
The input lever 505 of first order amplifying unit connects the displacement output end of magnetic telescopic driver, amplifies fixed link 12
It is fixedly connected on the inside of magnetic telescopic driver；
The microbit of magnetic telescopic driver input is transferred to input terminal 502 moved through input lever 505, and input terminal 502 will be displaced
It is transferred to the input terminal hinge 513 of first order amplifying unit, displacement is transferred to first order amplifying unit by input terminal hinge 513
Amplify output rod 511；The amplification output rod 511 of two first order amplifying units deflects simultaneously, and end moves up；
Amplified displacement is passed to the defeated of two second level enlargers by the amplification output rod 511 of first order amplifying unit
Enter to hold hinge 513, the input terminal hinge 513 of second level amplifying unit exports the amplification that displacement is transferred to second level amplifying unit
The amplification output rod 511 of bar 511, second level amplifying unit deflects, and end moves up；
Displacement after amplification is passed to the defeated of two third level amplifying units by the amplification output rod 511 of second level amplifying unit
Enter to hold hinge 513, the input terminal hinge 13 of third level amplifying unit exports the amplification that displacement is transferred to third level amplifying unit
The amplification output rod 511 of bar 511, third level amplifying unit deflects, and end moves up；
Displacement after amplification is passed to amplification output hinge 504 by the amplification output rod 511 of two third level amplifying units, is put
Big output hinge 504 drives the output end 503 of third level amplifying unit to move up, and realizes the micro-displacement of magnetic telescopic driver
Amplification output.
Amplify the amplification output that fixed link 512 is fixed, by amplification fixing end hinge 14 to first order amplifying unit
Drawing is played the role of in the end of bar 511, and input terminal is pushed up by amplification output rod 511 of the input terminal hinge to level-one enlarger
It rises, the amplification output rod 511 of first order amplifying unit deflects；The amplification fixed link 512 of second level amplifying unit is fixed not
Dynamic, the amplification fixed link 512 of second level amplifying unit is defeated to the amplification of second level amplifying unit by amplification fixing end hinge 514
Play the role of drawing in the end of rod 511；The amplification output rod 511 of first order amplifying unit is right by amplification output hinge 513
The amplification output rod 511 of second level amplifying unit jacks up, and the amplification output rod 511 of second level amplifying unit deflects, end
It moves up；The amplification fixed link 512 of third level amplifying unit is by amplification fixing end hinge 14 to third level amplifying unit
Drawing is played the role of in the end of amplification output rod 511, and the amplification output rod 511 of second level amplifying unit passes through amplification output hinge
The amplification output rod 511 of 513 pairs of third level amplifying units jacks up, and the amplification output rod 511 of third level amplifying unit deflects,
End moves up.
By adjust the input terminal hinge 513 of first order amplifying unit, second level amplifying unit input terminal hinge 513,
The link position of the input terminal hinge 513 of third level amplifying unit and amplification output rod 511 changes amplification factor.
As shown in fig. 6, being the structural schematic diagram of asymmetric three-level enlarged structure a in the present invention.
Asymmetric three-level enlarged structure a includes: input lever 1a, input terminal 2a, input terminal hinge 3a, first order amplification fixation
Bar 4a, first order amplification fixing end hinge 5a, first order amplification output rod 6a, first order amplification output hinge 7a, the second level are put
Big fixed link 8a, the second level amplify fixing end hinge 9a, output rod 10a is amplified in the second level, second level amplification exports hinge 11a,
The third level amplifies fixed link 12a, the third level amplifies fixing end hinge 13a, the third level amplifies output rod 14a, third level amplification is defeated
Hinge 15a, output end 16a out.
Input terminal hinge 3a is connected between input terminal 2a and first order amplification output rod 6a, and the first order amplifies fixing end hinge
Chain 5a is connected between first order amplification fixed link 4a and first order amplification output rod 6a, and the second level is amplified fixing end hinge 9a and connected
It connects and amplifies between fixed link 8a and second level amplification output rod 10a in the second level, first order amplification output hinge 7a is connected to the
Level-one is amplified between the amplification of output rod 6a and 2 output rod 10a, and second level amplification output hinge 11a is connected to the second level and puts
Between big output rod 10a and third level amplification output rod 14a, third level amplification fixing end hinge 13a is connected to third level amplification
Between fixed link 12a and third level amplification output rod 14a；The third level amplification output hinge 15a connection third level amplifies output rod
14a and output end 16a, the rear end of output end 16a connection output rod 6.
First order amplification fixing end hinge 5a and first order amplification output hinge 7a are located at first order amplification output rod
The two sides of 6a.Second level amplification fixing end hinge 9a and second level amplification output hinge 11a are located at second level amplification output
The two sides of bar 10a.Third level amplification fixing end hinge 13a and third level amplification output hinge 15a are located at third level amplification
The two sides of output rod 14a.Input terminal hinge 3a, which is located among first order amplification output rod 6a, is biased to first order amplification fixing end hinge
The side chain 5a.First order amplification output hinge 7a, which is located among second level amplification output rod 10a, is biased to second level amplification fixing end
The side hinge 9a.Second level amplification output hinge 11a, which is located at deviation third level amplification among third level amplification output rod 14a, to be fixed
Hold the side hinge 13a.
The magnetic conduction monomer of the end connection assembly 4 of input lever 1a, is transferred to input terminal for the micro-displacement that assembly 4 inputs
2a；Displacement is transferred to input terminal hinge 3a by input terminal 2a, and displacement is transferred to first order amplification output rod by input terminal hinge 3a
6a drives first order amplification output rod 6a to move upwards, and first order amplification fixed link 4a is fixed, and the first order amplifies fixing end
Hinge 5a deflects under the drive of first order amplification output rod 6a, becomes nock on the left of first order amplification fixing end hinge 5a
Small, right side nock becomes larger, to make the first order amplification upper left side output rod 6a inclination, the first order amplifies output rod 6a and drives input
Hinge 3a run-off the straight is held, making the left side input terminal hinge 3a, nock becomes smaller, right side nock becomes larger.The first order amplifies output rod 6a will
Displacement passes to the first order amplification output hinge 7a, first order amplification output hinge 7a and displacement is transferred to second level amplification output
Bar 10a drives second level amplification output rod 10a to move upwards, and second level amplification fixed link 8a is fixed, and second level amplification is solid
Fixed end hinge 9a deflects under the drive of second level amplification output rod 10a, makes on the left of second level amplification fixing end hinge 9a
Nock becomes larger, right side nock becomes smaller, to make second level amplification output rod 10a, output rod is amplified in inclined upward, the second level to the right
10a drive first order amplification output hinge 7a run-off the straight makes the left side first order amplification output hinge 7a nock become larger, right side arc
Mouth becomes smaller.Amplify output rod 10a and displacement is transferred to second level amplification output hinge 11a, second level amplification output hinge in the second level
Displacement is transferred to third level amplification output rod 14a by chain 11a, and second level amplification output hinge 11a drives third level amplification output
Bar 14a is moved upwards, and third level amplification fixed link 12a is fixed, and the third level amplifies fixing end hinge 13a and amplifies in the third level
It deflects under the drive of output rod 14a, making the left side third level amplification fixing end hinge 13a, nock becomes smaller, right side nock becomes larger,
To make third level amplification output rod 14a inclined upward to the left, the third level amplifies output rod 14a and drives second level amplification output hinge
Chain 11a run-off the straight, making the second level left side amplification output hinge 11a, nock becomes smaller, right side nock becomes larger.Third level amplification output
Displacement is transferred to third level amplification output hinge 15a by bar 14a, drives third level amplification output hinge 15a upper direction to the left,
Third level amplification output hinge 15a drives output end 16a to move upwards, since the third level amplifies output hinge 15a to upper left side
Inclination, output end 16a also will inclined upwards to the left.
Such as the structural schematic diagram that Fig. 7 is asymmetric three-level enlarged structure b.
Asymmetric three-level enlarged structure b includes: input lever 1b, input terminal 2b, input terminal hinge 3b, first order amplification fixation
Bar 4b, first order amplification fixing end hinge 5b, first order amplification output rod 6b, first order amplification output hinge 7b, the second level are put
Big fixed link 8b, the second level amplify fixing end hinge 9b, output rod 10b is amplified in the second level, second level amplification exports hinge 11b,
The third level amplifies fixed link 12b, the third level amplifies fixing end hinge 13b, the third level amplifies output rod 14b, third level amplification is defeated
Hinge 15b, output end 16b out.
Input terminal hinge 3b is connected between input terminal 2b and first order amplification output rod 6b, and the first order amplifies fixing end hinge
Chain 5b is connected between first order amplification fixed link 4b and first order amplification output rod 6b, and the second level is amplified fixing end hinge 9b and connected
It connects and amplifies between fixed link 8b and second level amplification output rod 10b in the second level, first order amplification output hinge 7b is connected to the
Level-one is amplified between output rod 6b and second level amplification output rod 10b, and second level amplification output hinge 11b is connected to the second level and puts
Between big output rod 10b and third level amplification output rod 14b, third level amplification fixing end hinge 13b is connected to third level amplification
Between fixed link 12b and third level amplification output rod 14b；The third level amplification output hinge 15b connection third level amplifies output rod
14b and output end 16b, the rear end of output end 16b connection output rod 6.
First order amplification fixing end hinge 5b and first order amplification output hinge 7b are located at first order amplification output rod
The two sides of 6b.Second level amplification fixing end hinge 9b and second level amplification output hinge 11b are located at second level amplification output
The two sides of bar 10b.Third level amplification fixing end hinge 13b and third level amplification output hinge 15b are located at third level amplification
The two sides of output rod 14b.Input terminal hinge 3b, which is located among first order amplification output rod 6b, is biased to a amplification fixing end hinge
The side chain 5b.First order amplification output hinge 7b, which is located among second level amplification output rod 10b, is biased to second level amplification fixing end
The side hinge 9b.Second level amplification output hinge 11b, which is located at deviation third level amplification among third level amplification output rod 14b, to be fixed
Hold the side hinge 13b.
The magnetic conduction monomer of the end connection assembly 4 of input lever 1b, is transferred to input terminal for the micro-displacement that assembly 4 inputs
2b；Displacement is transferred to input terminal hinge 3b by input terminal 2b, and displacement is transferred to first order amplification output rod by input terminal hinge 3b
6b drives first order amplification output rod 6b to move upwards, and first order amplification fixed link 4b is fixed, and the first order amplifies fixing end
Hinge 5b deflects under the drive of first order amplification output rod 6b, becomes nock on the left of first order amplification fixing end hinge 5b
Small, right side nock becomes larger, to make the first order amplification upper right side output rod 6b inclination, the first order amplifies output rod 6b and drives input
Hinge 3b run-off the straight is held, making the left side input terminal hinge 3b, nock becomes smaller, right side nock becomes larger.The first order amplifies output rod 6b will
Displacement passes to the first order amplification output hinge 7b, first order amplification output hinge 7b and displacement is transferred to second level amplification output
Bar 10b drives second level amplification output rod 10b to move upwards, and second level amplification fixed link 8b is fixed, and second level amplification is solid
Fixed end hinge 9b deflects under the drive of second level amplification output rod 10b, makes on the left of second level amplification fixing end hinge 9b
Nock becomes smaller, right side nock becomes larger, to make second level amplification output rod 10b, output rod is amplified in inclined upward, the second level to the right
10b drive first order amplification output hinge 7b run-off the straight makes the left side first order amplification output hinge 7b nock become smaller, right side arc
Mouth becomes larger.Amplify output rod 10b and displacement is transferred to second level amplification output hinge 11b, second level amplification output hinge in the second level
Displacement is transferred to third level amplification output rod 14b by chain 11b, and second level amplification output hinge 11b drives three-level to amplify output rod
14b is moved upwards, and third level amplification fixed link 12b is fixed, and it is defeated in third level amplification that the third level amplifies fixing end hinge 13b
It deflects under the drive of rod 14b, making the left side 13b, nock becomes larger, right side nock becomes smaller, so that the third level be made to amplify output rod
14b to the right amplify output rod 14b and drive second level amplification output hinge 11b run-off the straight by inclined upward, the third level, makes the second level
Nock becomes larger, right side nock becomes smaller on the left of amplification output hinge 11b.The third level amplifies output rod 14b and displacement is transferred to third
Grade amplification output hinge 15b drives three-level amplification output hinge 15b upper direction to the right, third level amplification output hinge 15b band
Dynamic output end 16b is moved upwards, and since the third level amplifies output hinge 15b, inclined upward, output end 16b also will be to upper rights to the right
Side's inclination.
The end of the input lever 1a and input lever 1b of 2 asymmetric three-level enlarged structure a, asymmetric three-level enlarged structure b
It is fixedly connected respectively with the magnetic conduction monomer of assembly 4, output end 16a and output end 16b are fixed with the rear end of output rod 6 connect respectively
It connects；First order amplification fixed link 4a, second level amplification fixed link 8a and the amplification of asymmetric three-level of asymmetric three-level enlarged structure a
First order amplification fixed link 4b, the third level fixed link 8b of structure b is fixedly connected with magnetic conductive frame 2 respectively.Other parts can be certainly
By activity, hinge is entirely flexible hinge.
It can be put by adjusting input terminal hinge 3a, input terminal hinge 3b and first order amplification output hinge 7a, the first order
Big output hinge 7b and second level amplification output hinge 11a, the second level amplify the position of output hinge 11b to change amplification
Multiple.
After output end 16a and output end 16b is respectively fixedly connected with output rod 6, under force,
Under force, to make the left side third level amplification output hinge 15a, nock becomes larger, right side nock becomes smaller；And
Nock becomes smaller, right side nock becomes larger on the left of third level amplification output hinge 15b；Therefore output end 16a and output end after connecting
The displacement of 16b output is displacement axially upwards, eliminates lateral displacement, avoids generating shearing force, is effectively increased axial defeated
Precision out.
Embodiment 1
As shown in figure 8, being the structural schematic diagram of the embodiment of the present invention 1.
Bar is provided in the novel actuator with three-level enlarger 5 of axial magnetic field, and assembly 4 includes two magnets
A single and magnetostrictive rod monomer, magnet unit are connected to magnetostrictive rod monomer two sides.
Magnetic conduction monomer 401 connects permanent magnetic monomers 402, and permanent magnetic monomers 402 connect magnetic conduction monomer 403, and magnetic conduction monomer 403 connects
Magnetostrictive rod monomer 404, magnetostrictive rod monomer 404 connect magnetic conduction monomer 405, and magnetic conduction monomer 405 connects permanent magnetic monomers
406, permanent magnetic monomers 406 connect magnetic conduction monomer 407, form assembly 4.It is magnet exciting coil 3 outside assembly 4, magnet exciting coil 3 is put
Set in magnetic conductive frame 2, magnetic conductive frame 2 and assembly constitute closed magnetic circuit, and shell 1 constrains magnetic conductive frame 2, magnetostrictive rod with
Assembly one end of permanent magnet holds out against magnet exciting coil 2, and the other end holds out against the input terminal of three-level enlarger 5, displacement is passed to
Three-level enlarger 5, the fixing end of three-level enlarger 5 are fixedly connected with magnetic conductive frame 2, and output end connects output rod 6, will be displaced
Output rod 6 is passed to after amplification, output rod 6 exports displacement.
Embodiment 2
As shown in figure 9, being the structural schematic diagram of the assembly 4 of embodiment 2 in the present invention.
Assembly 4 includes three magnet lists and two magnetostrictive rod monomers.
Magnetic conduction monomer 401 connects permanent magnetic monomers 402, and permanent magnetic monomers 402 connect magnetic conduction monomer 403, and magnetic conduction monomer 403 connects
Magnetostrictive rod monomer 404, magnetostrictive rod monomer 404 connect magnetic conduction monomer 405, and magnetic conduction monomer 405 connects permanent magnetic monomers
406, permanent magnetic monomers 406 connect magnetic conduction monomer 407, and magnetic conduction monomer 407 connects magnetostrictive rod monomer 408, magnetostrictive rod list
Body 408 connects magnetic conduction monomer 409, and magnetic conduction monomer 409 connects permanent magnetic monomers 410, and permanent magnetic monomers 410 connect magnetic conduction monomer 411, shape
At assembly 4.
Embodiment 3
As shown in Figure 10, be embodiment 3 in the present invention assembly 4 structural schematic diagram.
Assembly 4 includes five magnet lists and four magnetostrictive rod monomers.
Magnetic conduction monomer 401 connects permanent magnetic monomers 402, and permanent magnetic monomers 402 connect magnetic conduction monomer 403, and magnetic conduction monomer 403 connects
Magnetostrictive rod monomer 404, magnetostrictive rod monomer 404 connect magnetic conduction monomer 405, and magnetic conduction monomer 405 connects permanent magnetic monomers
406, permanent magnetic monomers 406 connect magnetic conduction monomer 407, and magnetic conduction monomer 407 connects magnetostrictive rod monomer 408, magnetostrictive rod list
Body 408 connects magnetic conduction monomer 409, and magnetic conduction monomer 409 connects permanent magnetic monomers 410, and permanent magnetic monomers 410 connect magnetic conduction monomer 411, lead
Magnetic monomer 411 connects magnetostrictive rod monomer 412, and magnetostrictive rod monomer 412 connects magnetic conduction monomer 413, and magnetic conduction monomer 413 connects
Permanent magnetic monomers 414 are connect, permanent magnetic monomers 414 connect magnetic conduction monomer 415, and magnetic conduction monomer 415 connects magnetostrictive rod monomer 416, magnetic
Extension stem monomer 416 is caused to connect magnetic conduction monomer 417, magnetic conduction monomer 417 connects permanent magnetic monomers 418, and permanent magnetic monomers 418 connect magnetic conduction
Monomer 419 forms assembly 4.
Term used herein is explanation and term exemplary, and not restrictive.Since the present invention can be with a variety of
Form be embodied without departing from invention spirit or essence, it should therefore be appreciated that above-described embodiment be not limited to it is any above-mentioned
Details, and should widely explaining within the spirit and scope of the appended claims, thus fall into claim or its etc.
Whole change and modification in effect range all should be appended claims and be covered.
Claims (8)
1. a kind of bar provides the novel actuator with three-level enlarger of axial magnetic field characterized by comprising do not lead
Magnetic shell, magnetic conductive frame, magnet exciting coil, assembly, three-level micro displacement magnifying mechanism, output rod；Magnet exciting coil is sleeved on combination
Outside body, magnet exciting coil is placed in magnetic conductive frame, and magnetic conductive frame and assembly constitute closed magnetic circuit；Magnetic conductive frame is arranged not
In magnetic conductive shell, non-magnetic shell is for constraining magnetic conductive frame；One end of assembly connects magnetic conductive frame, and the other end connects three-level
The input lever of micro displacement magnifying mechanism, assembly pass to three-level micro displacement magnifying mechanism for that will be displaced, and three-level micro-displacement is put
The fixing end of great institutions is connected in magnetic conductive frame, and output end connects the rear end of output rod, and the front end of output rod is from non-magnetic outer
The through-hole of shell stretches out；Three-level micro displacement magnifying mechanism will pass to output rod after the displacement equations of assembly, output rod is used for will
Displacement output.
2. bar as described in claim 1 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In assembly includes: magnetizer, permanent magnet, magnetostrictive rod, and magnetizer includes multiple magnetic conduction monomers, and permanent magnet includes multiple
Permanent magnetic monomers, magnetostrictive rod include multiple magnetostrictive rod monomers；Magnetic conduction monomer is connected to permanent magnetic monomers two sides, composition
Magnet unit, magnet unit are connected to magnetostrictive rod monomer two sides；The magnetic conduction monomer of rear end connects magnetic conductive frame, and front end is led
Magnetic monomer connects three-level micro displacement magnifying mechanism.
3. bar as claimed in claim 2 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In alternate intervals are distributed in the axial direction for magnet unit and magnetostrictive rod.
4. bar as claimed in claim 2 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In three-level micro displacement magnifying mechanism includes two asymmetric three-level enlarged structures, two asymmetric three-level enlarged structure position phases
Anti- and folded spell arranges that the input terminal of asymmetric three-level enlarged structure connects the magnetic conduction monomer of assembly.
5. bar as claimed in claim 4 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In asymmetric three-level enlarged structure includes three asymmetric amplifying units mutually concatenated, and three asymmetric amplifying units are respectively
First order amplifying unit, second level amplifying unit, third level amplifying unit；The structure of asymmetric amplifying unit includes: that amplification is defeated
Rod, amplification fixed link, input terminal hinge, amplification fixing end hinge；Amplify output rod lateral arrangement, amplification fixed link is by putting
Big fixing end is hingedly connected at the lower part of amplification output rod, and amplification fixing end hinge is located at the position that amplification output rod leans on close end
It sets；The lower part of amplification output rod is arranged in input terminal hinge, and is located at the inside of amplification fixing end hinge；First order amplifying unit
Input terminal hinge connect input terminal, second level amplifying unit by input terminal hinge connect first order amplifying unit amplification it is defeated
The top of rod；Third level amplifying unit connects the top of the amplification output rod of second level amplifying unit by input terminal hinge,
The top of third level amplifying unit connects output end, output end lateral arrangement by amplification output hinge；Input terminal hinge, amplification
Fixing end hinge, amplification output hinge use flexible hinge；Two amplification fixed links being in contact are connected, and two are in contact
Output end is connected.
6. bar as claimed in claim 5 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In the input terminal hinge by adjusting first order amplifying unit, second level amplifying unit or third level amplifying unit is amplifying
The position of output rod adjusts amplification factor.
7. bar as claimed in claim 5 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In the amplification fixed link of third level amplifying unit is connected with the amplification fixed link of first order amplifying unit.
8. bar as claimed in claim 5 provides the novel actuator with three-level enlarger of axial magnetic field, feature exists
In the end of the input lever of two asymmetric three-level enlarged structures is fixedly connected with the magnetic conduction monomer of assembly respectively, output end
It is fixedly connected respectively with the rear end of output rod with output end；The fixed link of asymmetric three-level enlarged structure is solid with magnetic conductive frame respectively
Fixed connection.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715681.2A CN110445414A (en) | 2019-08-05 | 2019-08-05 | The novel actuator with three-level enlarger of bar offer axial magnetic field |
| PCT/CN2020/076120 WO2021022803A1 (en) | 2019-08-05 | 2020-02-21 | Micro-displacement amplification mechanism, and amplification method for same |
| JP2021505987A JP7090234B2 (en) | 2019-08-05 | 2020-02-21 | Micro-displacement expansion mechanism and its expansion method |
| US17/159,429 US11616456B2 (en) | 2019-08-05 | 2021-01-27 | Micro-displacement amplifying apparatus and amplification method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715681.2A CN110445414A (en) | 2019-08-05 | 2019-08-05 | The novel actuator with three-level enlarger of bar offer axial magnetic field |
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| Publication Number | Publication Date |
|---|---|
| CN110445414A true CN110445414A (en) | 2019-11-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910715681.2A Pending CN110445414A (en) | 2019-08-05 | 2019-08-05 | The novel actuator with three-level enlarger of bar offer axial magnetic field |
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| CN (1) | CN110445414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021022803A1 (en) * | 2019-08-05 | 2021-02-11 | 包头稀土研究院 | Micro-displacement amplification mechanism, and amplification method for same |
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