CN110504863A - The actuator with three-level micro displacement magnifying mechanism of skeleton offer axial magnetic field - Google Patents
The actuator with three-level micro displacement magnifying mechanism of skeleton offer axial magnetic field Download PDFInfo
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- CN110504863A CN110504863A CN201910715676.1A CN201910715676A CN110504863A CN 110504863 A CN110504863 A CN 110504863A CN 201910715676 A CN201910715676 A CN 201910715676A CN 110504863 A CN110504863 A CN 110504863A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 69
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 230000003321 amplification Effects 0.000 claims description 100
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 100
- 239000000463 material Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of skeletons to provide the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, comprising: the non-magnetic shell of H-type, upper end cover, lower cover, solenoid, assembly, three-level micro displacement magnifying mechanism, output rod.The present invention can amplify the displacement of former driver, effectively increase the output displacement of driver, and the volume of driver is reduced under the premise of same output condition, so that driver minimizes.
Description
Technical field
The present invention relates to accurate control fields, specifically, be related to a kind of skeleton provide axial magnetic field with three-level microbit
Move the novel actuator of enlarger.
Background technique
In recent years, high-resolution, it is including microelectronics, nanometer skill that each quasi-driver of fast response time, which is widely used,
Art, biomedical engineering, the every field such as Precision Machining.And as technology continues to develop, all kinds of indexs of driver are proposed
Higher requirement.Giant magnetostrictive material has big strain value, high response speed, high-energy density, big mechanical-electric coupling
Coefficient, a series of excellent characteristics such as high reliability show good application prospect in field of drivers.
For needing lower output areas some, such as 100um 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 some output require it is biggish
Field and/or the environment limited driver volume, single fulfil assignment by magnetic telescopic driver 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.
Chinese patent CN100466319C discloses a kind of magnetostrictive actuator, including magnetostriction element, driving rod,
Electromagnetic coil, shell, wherein shell is made of the permanent magnet of tubulose and ferromagnet, applies quiescent biasing magnetic for magnetostriction element
.The magnetic field and quiescent biasing magnetic field superposition generated using electromagnetic coil shortens magnetostriction element elongation.It utilizes mangneto
The strain of telescopic material itself externally exports, and output displacement is smaller；Permanent magnet is placed in shell, externally generates magnetic field, actuator
Nearby have and is easy to influence internal bias magnetic field when ferromagnetic material to influence actuator output.
Chinese patent CN101166005B discloses a kind of ultra-magnetostriction microdisplacement mechanism using lever amplifying mechanism.
Including cylinder, lever construction, drive plate, lower limit circle, magnet exciting coil, magnetostrictive rod, upper limit disk, output rod, pedestal, answer
Position spring, is equipped with enlarger between magnetostriction barred body and output rod, has lever building and drive plate to constitute.Using one to
Three-level lever amplifies the output displacement of magnetostriction barred body, and radial volume is larger, and due to enlarger components
More, assembly complexity is higher in small size driver, realizes more difficulty, while causing under its output accuracy and reliability
Drop.
Chinese patent CN2376137Y discloses a kind of magnetic telescopic driver amplified using spring beam contraposition shifting,
It is driven using ultra-magnetic telescopic barred body, magnet exciting coil generates magnetic field after being powered, and extends giant magnetostrictive material, will export
Displacement is transmitted to fixed spring beam input terminal with power, causes its flexible deformation, by output end by displacement equations.Spring beam amplification
Mechanism utilize lever amplification principle, 5.1 times of maximum amplification.Its cantilever beam enlarger amplification factor is smaller, radial volume
It is larger, it is larger for the loss of power output.
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, the body of enlarger part
Product can still restrict its use, and how to keep the volume of driver to obtain big output displacement while miniaturization is still one
Problem to be solved.
Summary of the invention
Technical problem solved by the invention is to provide a kind of amplifying with three-level micro-displacement for skeleton offer axial magnetic field
The actuator of mechanism can amplify the displacement of former driver, effectively increase the output displacement of driver, same defeated
The volume of driver is reduced under the premise of condition out, so that driver minimizes.
Technical solution is as follows:
A kind of actuator with three-level micro displacement magnifying mechanism of skeleton offer axial magnetic field, comprising: the non-magnetic shell of H-type
Body, upper end cover, lower cover, solenoid, assembly, three-level micro displacement magnifying mechanism, output rod；It opens at the non-magnetic shell both ends of H-type
Mouthful, inner wall is provided with baffle, and baffle plate setting has input rod through-hole；Upper end cover is connected to front opening, and upper end cover is provided with output
Rod through-hole, lower cover are connected to open rearward end；Solenoid is mounted in the non-magnetic shell of H-type, and is located at the rear portion of baffle, front end
It is against on baffle, rear end is against on lower cover；Solenoid is provided with axially extending bore, and solenoid is provided with coil, in axially extending bore
Outer wall be provided with permanent magnet；Axially extending bore connection input rod through-hole, assembly are mounted in axially extending bore；Three-level micro-displacement is put
Great institutions are mounted in the non-magnetic shell of H-type, and are located at the front of baffle, and the displacement input lever of three-level micro displacement magnifying mechanism is stretched
Enter to input rod through-hole and connects the end of assembly；Output rod one end is connected to the output end of three-level micro displacement magnifying mechanism, separately
One end is stretched out from output rod through-hole.
Further, three-level micro displacement magnifying mechanism includes: including two asymmetric three-level enlarged structures, and asymmetric three-level is put
Big structure includes three asymmetric amplifying units, and respectively first order amplifying unit, second level amplifying unit, third level amplification is single
Member；Asymmetric amplifying unit includes: amplification output rod, amplification fixed link, input terminal hinge, amplification fixing end hinge；Amplify defeated
Rod lateral arrangement, the lower part that amplification fixed link is hingedly connected at amplification output rod by amplifying fixing end, amplification fixing end hinge
Chain is located at the position that amplification output rod leans on close end；The lower part of amplification output rod is arranged in input terminal hinge, and it is solid to be located at amplification
The inside of fixed end hinge；The input terminal hinge of first order amplifying unit connects input terminal, and second level amplifying unit passes through input terminal
Hinge connects the top of the amplification output rod of first order amplifying unit；Third level amplifying unit passes through input terminal hinge connection second
The top at the top of the amplification output rod of grade amplifying unit, third level amplifying unit connects output end by amplification output hinge,
Output end lateral arrangement；Input terminal hinge, amplification fixing end hinge, amplification output hinge use flexible hinge；Two asymmetric
The position of second level amplifying unit is opposite and arranged superposed, two input terminals being in contact are connected, two amplifications being in contact
Fixed link is connected, and two output ends being in contact are connected.
Further, the bottom of input terminal is provided with input lever.
Further, asymmetric amplifying unit uses non axial symmetrical structure.
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, solenoid includes: support end face, helical tube body, coil；Helical tube body is arranged in support end face
Both ends, coil are arranged on the outer wall of helical tube body；Helical tube body includes: magnetizer and permanent magnet, magnetizer and permanent magnetism
Body is cyclic structure, multiple magnetizers and permanent magnet alternate intervals arrangement, and is connected in the end face of contact.
Further, axially extending bore is provided with thermal insulation layer, and helical tube body is tubular structure.
Further, the structure of helical tube body is in two sides symmetrical structure using axial centre as midpoint；Permanent magnet is at least 2
Group, the monosymmetric permanent magnet magnetic performance of central point are identical；Midpoint is gradually decreased to the magnetic property for the permanent magnet that both ends are distributed.
Further, magnetizer is at least 3 groups, and axial center point is gradually increased to the length for the magnetizer that both ends are distributed.
Further, support end face is connected with magnetizer, and the material of thermal insulation layer uses non-magnet material.
The technology of the present invention effect includes:
Present invention can apply to include microelectronics, nanotechnology, biomedical engineering, the fields such as Precision Machining.
1. the displacement of former driver is exaggerated due to using the third level amplifying unit based on flexible hinge,
The output displacement of driver is effectively increased, the volume of driver is reduced under the premise of same output condition, so that driving
Dynamic device miniaturization.
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 method for replacing original solenoid skeleton due to using permanent magnet combination magnetizer, driver does not have to row again and sets
Bias magnetic field is counted, the space of device is effectively saved, makes device miniaturization.
Detailed description of the invention
Fig. 1 is that the structure for the actuator with second level micro displacement magnifying mechanism that middle skeleton of the present invention provides axial magnetic field is shown
It is intended to；
Fig. 2 is the structural schematic diagram of asymmetric amplifying unit in the present invention；
Fig. 3 is the structural schematic diagram of asymmetric three-level enlarged structure in the present invention；
It is the structural schematic diagram of three-level micro displacement magnifying mechanism in the present invention that Fig. 4, which is in the present invention,；
Fig. 5 is solenoidal structural schematic diagram in the present invention；
Fig. 6 is solenoidal structural schematic diagram in the embodiment of the present invention 1；
Fig. 7 is solenoidal structural schematic diagram in the embodiment of the present invention 2；
Fig. 8 is solenoidal usage state diagram in the embodiment of the present invention 2.
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 middle skeleton of the present invention provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field
Structural schematic diagram.
The actuator with three-level micro displacement magnifying mechanism of skeleton offer axial magnetic field, comprising: the non-magnetic shell 1 of H-type,
Upper end cover 2, lower cover 3, solenoid 4, assembly 5, three-level micro displacement magnifying mechanism 6, output rod 7.
The both ends open of the non-magnetic shell 1 of H-type, inner wall are provided with baffle 11, and baffle 11 is provided with input rod through-hole.Upper end
Lid 2 is connected to front opening, and upper end cover 2 is provided with output rod through-hole, and lower cover 3 is connected to open rearward end；Solenoid 4 is mounted on
In the non-magnetic shell 1 of H-type, and it is located at the rear portion of baffle 11, front end is against on baffle 11, and rear end is against on lower cover 3；Solenoid
4 are provided with axially extending bore, and solenoid 4 is wound with coil 43, the outer wall of axially extending bore are provided with permanent magnet, permanent magnet is in axial direction
Through hole forms axial permanent magnetic magnetic field；Axially extending bore connection input rod through-hole, assembly 5 are mounted in axially extending bore；Three-level is micro-
Displacement amplifying mechanism 6 is mounted in the non-magnetic shell 1 of H-type, and is located at the front of baffle 11, three-level micro displacement magnifying mechanism 6
Displacement input lever protrudes into input rod through-hole and connects the end of assembly 5；7 one end of output rod is connected to three-level micro-displacement enlarger
The output end 63 of structure 6, the other end are stretched out from output rod through-hole.
Assembly 5 is magnetostrictive rod, and telescopic displacement is passed to the input lever 65 of three-level micro displacement magnifying mechanism 6, the
The fixing end of three-level amplifying unit 6 is connected on baffle 11, and three-level micro displacement magnifying mechanism 6 will pass to output after displacement equations
Bar 7, output rod 7 export displacement.
As shown in Fig. 2, being the structural schematic diagram of asymmetric amplifying unit 61 in the present invention.
Asymmetric amplifying unit 61 includes: amplification output rod 611, amplification fixed link 612, input terminal hinge 613, amplifies admittedly
Fixed end hinge 614；Amplify 611 lateral arrangement of output rod, amplification fixed link 12 is connected to amplification by amplifying fixing end hinge 614
The lower part of output rod 11, amplification fixing end hinge 14 are located at the position that amplification output rod 611 leans on close end；Input terminal hinge 613
The lower part of amplification output rod 611 is set, and is located at the inside of amplification fixing end hinge 614.Input terminal hinge 613, amplification are solid
Fixed end hinge 614 uses flexible hinge.
Using lever principle, the end for amplifying 614 pairs of fixing end hinge amplification output rods 611 plays a part of to draw, input terminal
Hinge 613 plays a supportive role, and can change times magnification in the position of amplification output rod 611 by adjusting input terminal hinge 613
Number.
Asymmetric amplifying unit 61 uses non axial symmetrical structure, efficiently avoids in traditional axial symmetry mode to putting
Part the space occupied of big effect, reduces the volume of enlarger.
As shown in figure 3, being the structural schematic diagram of asymmetric three-level enlarged structure in the present invention.
Asymmetric three-level enlarged structure includes: three asymmetric amplifying units 61 mutually concatenated, and three asymmetric amplifications are single
Member 61 is respectively first order amplifying unit, second level amplifying unit, third level amplifying unit；The input terminal of first order amplifying unit
Hinge 613 connects input terminal 62, and input terminal 62 is connected with input lever 65；Second level amplifying unit is connected by input terminal hinge 613
Connect the top of the amplification output rod 611 of first order amplifying unit；Third level amplifying unit passes through the connection of input terminal hinge 613 second
The top of the amplification output rod 611 of grade amplifying unit, the amplification fixed link 612 and first order amplifying unit of third level amplifying unit
Amplification fixed link 612 be connected；The amplification fixed link 612 of three asymmetric amplifying units 61 is located at 62 two sides of input terminal；The
The top of three-level amplifying unit connects output end 63,63 lateral arrangement of output end by amplification output hinge 64.Amplification output hinge
Chain 64 uses flexible hinge.
It can be adjusted by adjusting the input terminal hinge 613 of first order amplifying unit in the position of amplification output rod 611
Amplification factor, it is further, defeated by the input terminal hinge 613 and amplification that adjust second level amplifying unit, third level amplifying unit
The link position of rod 611 changes amplification factor.
As shown in figure 4, the structural schematic diagram of to be in the present invention be three-level micro displacement magnifying mechanism in the present invention.
Three-level micro displacement magnifying mechanism includes: two asymmetric three-level enlarged structures, two asymmetric three-level enlarged structures
Position is opposite and arranged superposed, after two asymmetric three-level enlarged structures overlappings, two input terminals 62 being in contact are connected,
Two input levers 65 being in contact are connected, and two amplification fixed links 612 being in contact are connected, two output ends being in contact
63 are connected.The other unattached portions of three-level micro displacement magnifying mechanism can be move freely.Input lever 65 can facilitate the introduction of microbit
It moves.
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 second level amplifying unit.
The amplification method of three-level micro displacement magnifying mechanism, specific steps include:
The microbit that assembly 5 inputs is transferred to input terminal 62 moved through input lever 65, and displacement is transferred to first by input terminal 62
Displacement is transferred to the amplification output rod of first order amplifying unit by the input terminal hinge 613 of grade amplifying unit, input terminal hinge 613
611；The amplification output rod 611 of two first order amplifying units deflects simultaneously, and end moves up；
Amplified displacement is passed to two second level amplifying units by the amplification output rod 611 of first order amplifying unit
Input terminal hinge 613, the amplification that displacement is transferred to second level amplifying unit by the input terminal hinge 613 of second level amplifying unit are defeated
The amplification output rod 611 of rod 611, 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 611 of second level amplifying unit
Enter to hold hinge 613, the input terminal hinge 613 of third level amplifying unit exports the amplification that displacement is transferred to third level amplifying unit
The amplification output rod 611 of bar 611, third level amplifying unit deflects, and end moves up；
Displacement after amplification is passed to amplification output hinge 64 by the amplification output rod 611 of two third level amplifying units, is put
Big output hinge 64 drives the output end 63 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 612 is fixed, by amplification fixing end hinge 614 to first order amplifying unit
Drawing is played the role of in the end of bar 611, and input terminal is pushed up by amplification output rod 611 of the input terminal hinge to first order amplifying unit
It rises, the amplification output rod 611 of first order amplifying unit deflects；The amplification fixed link 612 of second level amplifying unit is fixed not
Dynamic, the amplification fixed link 612 of second level amplifying unit is defeated to the amplification of second level amplifying unit by amplification fixing end hinge 614
Play the role of drawing in the end of rod 611；The amplification output rod 611 of first order amplifying unit is right by amplification output hinge 613
The amplification output rod 611 of second level amplifying unit jacks up, and the amplification output rod 611 of second level amplifying unit deflects, end
It moves up；The amplification fixed link 612 of third level amplifying unit is by amplification fixing end hinge 614 to third level amplifying unit
Drawing is played the role of in the end of amplification output rod 611, and the amplification output rod 611 of second level amplifying unit passes through amplification output hinge
The amplification output rod 11 of 613 pairs of third level amplifying units jacks up, and the amplification output rod 611 of third level amplifying unit deflects,
End moves up.
By adjust the input terminal hinge 613 of first order amplifying unit, second level amplifying unit input terminal hinge 613,
The link position of the input terminal hinge 613 of third level amplifying unit and amplification output rod 611 changes amplification factor.
As shown in figure 5, being the structural schematic diagram of solenoid 4 in the present invention.
Solenoid 4 provides axial permanent magnetic magnetic field, can be used as the excitation field of the devices such as magnetostriction type brake, driver
And bias magnetic field.
The structure of solenoid 4, comprising: support end face 41, helical tube body 42, coil 43；End face 41 is supported to be arranged in spiral shell
The both ends of spool ontology 42, coil 43 are arranged on the outer wall of helical tube body 42.Helical tube body 42 is tubular structure, in order to
Enhance heat insulation, thermal insulation layer 44 is provided on the inner wall of helical tube body 42.
Helical tube body 42 includes: magnetizer 421 and permanent magnet 422, and magnetizer 421 and permanent magnet 422 are cyclic structure,
Multiple magnetizers 421 and 422 alternate intervals of permanent magnet arrangement, and be connected in the end face of contact.Multiple magnetizers 421 and forever
Magnet 422 is coaxially distributed, and internal diameter is identical.
The structure of helical tube body 42 is in two sides symmetrical structure using axial centre as midpoint.Coil 43 is twined using enameled wire
Around forming.Permanent magnet 422 is at least 2 groups, and monosymmetric 422 magnetic property of permanent magnet of central point is identical；Midpoint is distributed to both ends
The magnetic property of permanent magnet 422 gradually decrease.Magnetizer is greater than 3 groups, the magnetizer 421 that axial center point is distributed to both ends,
Length gradually increases.Support end face 41 is connected with magnetizer 421.The material of thermal insulation layer 44 uses non-magnet material.
As shown in fig. 6, being the structural schematic diagram of solenoid 4 in the embodiment of the present invention 1.
Helical tube body 42 includes two magnetizers 421 and three permanent magnets 422.
As shown in fig. 7, being the structural schematic diagram of solenoid 4 in the embodiment of the present invention 2；As shown in figure 8, being implementation of the present invention
The usage state diagram of solenoid 4 in example 2.
Helical tube body 42 includes eight magnetizers 421 and seven permanent magnets 422.
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 (10)
1. a kind of skeleton provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field characterized by comprising H
The non-magnetic shell of type, upper end cover, lower cover, solenoid, assembly, three-level micro displacement magnifying mechanism, output rod；H-type is non-magnetic
Shell both ends open, inner wall are provided with baffle, and baffle plate setting has input rod through-hole；Upper end cover is connected to front opening, upper end cover
It is provided with output rod through-hole, lower cover is connected to open rearward end；Solenoid is mounted in the non-magnetic shell of H-type, and is located at baffle
Rear portion, front end is against on baffle, and rear end is against on lower cover；Solenoid is provided with axially extending bore, and solenoid is provided with coil,
The outer wall of axially extending bore is provided with permanent magnet；Axially extending bore connection input rod through-hole, assembly are mounted in axially extending bore；Three
Grade micro displacement magnifying mechanism is mounted in the non-magnetic shell of H-type, and is located at the front of baffle, the position of three-level micro displacement magnifying mechanism
Input lever is moved to protrude into input rod through-hole and connect the end of assembly；Output rod one end is connected to three-level micro displacement magnifying mechanism
Output end, the other end are stretched out from output rod through-hole.
2. skeleton as described in claim 1 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, three-level micro displacement magnifying mechanism includes: including two asymmetric three-level enlarged structures, and asymmetric three-level enlarged structure includes
Three asymmetric amplifying units mutually concatenated, three asymmetric amplifying units are respectively first order amplifying unit, second level amplification
Unit, third level amplifying unit；Asymmetric amplifying unit includes: amplification output rod, amplification fixed link, input terminal hinge, amplification
Fixing end hinge；Amplify output rod lateral arrangement, amplification fixed link is hingedly connected at amplification output rod by amplifying fixing end
Lower part, amplification fixing end hinge are located at the position that amplification output rod leans on close end；Amplification output rod is arranged in input terminal hinge
Lower part, and it is located at the inside of amplification fixing end hinge；The input terminal hinge of first order amplifying unit connects input terminal, and the second level is put
Big unit connects the top of the amplification output rod of first order amplifying unit by input terminal hinge；Third level amplifying unit passes through defeated
Enter to hold the top of the amplification output rod of hinge connection second level amplifying unit, the top of third level amplifying unit passes through amplification output
Hinge connects output end, output end lateral arrangement；Input terminal hinge, amplification fixing end hinge, amplification output hinge are using flexible
Hinge；The position of two asymmetric second level amplifying units is opposite and arranged superposed, two input terminals being in contact are connected, and two
A amplification fixed link being in contact is connected, and two output ends being in contact are connected.
3. skeleton as claimed in claim 2 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, the bottom of input terminal is provided with input lever.
4. skeleton as claimed in claim 2 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, asymmetric amplifying unit uses non axial symmetrical structure.
5. skeleton as claimed in claim 2 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, the input terminal hinge by adjusting first order amplifying unit, second level amplifying unit or third level amplifying unit is being put
The position of big output rod adjusts amplification factor.
6. skeleton as described in claim 1 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, solenoid includes: support end face, helical tube body, coil；The both ends of helical tube body, coil is arranged in support end face
It is arranged on the outer wall of helical tube body；Helical tube body includes: magnetizer and permanent magnet, and magnetizer and permanent magnet are cyclic annular knot
Structure, multiple magnetizers and permanent magnet alternate intervals arrangement, and be connected in the end face of contact.
7. skeleton as claimed in claim 6 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, axially extending bore is provided with thermal insulation layer, and helical tube body is tubular structure.
8. skeleton as claimed in claim 6 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, the structure of helical tube body is in two sides symmetrical structure using axial centre as midpoint；Permanent magnet is at least 2 groups, central point two
The symmetrical permanent magnet magnetic performance in side is identical；Midpoint is gradually decreased to the magnetic property for the permanent magnet that both ends are distributed.
9. skeleton as claimed in claim 8 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, magnetizer is at least 3 groups, and axial center point is gradually increased to the length for the magnetizer that both ends are distributed.
10. skeleton as claimed in claim 7 provides the actuator with three-level micro displacement magnifying mechanism of axial magnetic field, feature
It is, support end face is connected with magnetizer, and the material of thermal insulation layer uses non-magnet material.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715676.1A CN110504863B (en) | 2019-08-05 | 2019-08-05 | Actuator with three-stage micro-displacement amplification mechanism with framework providing axial magnetic field |
| JP2021505987A JP7090234B2 (en) | 2019-08-05 | 2020-02-21 | Micro-displacement expansion mechanism and its expansion method |
| PCT/CN2020/076120 WO2021022803A1 (en) | 2019-08-05 | 2020-02-21 | Micro-displacement amplification mechanism, and amplification method for same |
| US17/159,429 US11616456B2 (en) | 2019-08-05 | 2021-01-27 | Micro-displacement amplifying apparatus and amplification method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021022803A1 (en) * | 2019-08-05 | 2021-02-11 | 包头稀土研究院 | Micro-displacement amplification mechanism, and amplification method for same |
| CN112879513A (en) * | 2019-11-29 | 2021-06-01 | 中国航发商用航空发动机有限责任公司 | Micro-displacement amplification mechanism, amplification system, amplification method, measurement system, aircraft engine and test stand |
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| CN101145742A (en) * | 2007-10-19 | 2008-03-19 | 北京工业大学 | A dual-phase set ultra-magnetism flexible driver and its implementation method |
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| CN109861581A (en) * | 2018-12-05 | 2019-06-07 | 中国科学院长春光学精密机械与物理研究所 | A kind of micro displacement magnifying mechanism |
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| JPH0945972A (en) * | 1995-07-26 | 1997-02-14 | Sumitomo Electric Ind Ltd | Actuator |
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| WO2021022803A1 (en) * | 2019-08-05 | 2021-02-11 | 包头稀土研究院 | Micro-displacement amplification mechanism, and amplification method for same |
| CN112879513A (en) * | 2019-11-29 | 2021-06-01 | 中国航发商用航空发动机有限责任公司 | Micro-displacement amplification mechanism, amplification system, amplification method, measurement system, aircraft engine and test stand |
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| CN110504863B (en) | 2022-06-21 |
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