CN207504785U - A kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces - Google Patents
A kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces Download PDFInfo
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- CN207504785U CN207504785U CN201721623344.3U CN201721623344U CN207504785U CN 207504785 U CN207504785 U CN 207504785U CN 201721623344 U CN201721623344 U CN 201721623344U CN 207504785 U CN207504785 U CN 207504785U
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Abstract
The utility model belongs to magnetostriction two-stage precision drive area, and more particularly to a kind of magnetostriction type using giant magnetostrictive material as core element splices the twin-stage displacement regulating mechanism of more minute surfaces.The mechanism includes three groups of identical twin-stage displacement regulating mechanism, Elastic Steel, flexible rubber block, central supported seat, centre post and support bases;Twin-stage displacement regulating mechanism includes electric cylinder, support plate and ultra-magnetic deformation actuator.The prior art utilizes the minute surface regulating mechanism of magnetostrictive effect principle development, and majority can only realize the level-one adjusting to displacement;And the utility model is directed to the deficiency of existing segmented mirror regulating structure for micro displacement technology, design one kind is using electric cylinder as level-one fast driving, splice the twin-stage displacement regulating mechanism of more minute surfaces as the magnetostriction type of two level precision actuation using ultra-magnetic deformation actuator, solve the problems, such as that the sub- mirror of splicing cannot be carried out at the same time quick-speed large-scale adjustment and precision positioning.
Description
Technical field
The utility model belongs to magnetostriction two-stage precision drive area, it is more particularly to a kind of using giant magnetostrictive material as
The magnetostriction type of core element splices the twin-stage displacement regulating mechanism of more minute surfaces.
Background technology
Since the 1980s, with the continuous development of space and the relevant science and technology of military field, various countries are always
It is dedicated to the detection to space, at the same time space telescope is constantly improved.And it is used for the telescope mouth of space exploration
Diameter constantly increases, and inconvenience is brought, therefore the active optics technology that has been born to design and manufacture.Splicing is as active light
One branch of technology can efficiently solve the mirror design of large aperture telescope with manufacturing this problem.Segmented mirror
Optical technology is that the smaller sub- mirror of polylith bore is spliced into bigbore primary mirror, and sub- mirror is mounted on same stent, makes numerous
Sub- mirror board pieces together the primary mirror with certain surface figure accuracy, and needs to carry out Precision measurement to main mirror face in this process, so
To each, sub- mirror board carries out accurate pose adjustment afterwards.Regulating structure for micro displacement is support and the regulating mechanism of sub- minute surface, can
It is the important device for ensureing segmented mirror optical technology operating accuracy to carry out multivariant pose adjustment to panel.
At present, mainly motor-speed reducer type regulating structure for micro displacement, hydraulic pressure in telescope is applied to scale the position that declines
Move regulating mechanism and the regulating structure for micro displacement based on piezo technology etc..For example, in Optics and in 2005
Page 332-338 of Precision Engineering volumes 13, in the design and detection of a kind of mechanical micro-displacement actuator delivered,
In the form of stepper motor driving retarder, accurate lead screw, the Micro-displacement Driving structure of big stroke is realized;In optics essence in 2011
1320-1326 pages of volume 19 of close engineering, in the spherical pair brace type rapid control reflector design for the voice coil motor driving delivered,
Propose a kind of spherical pair brace type rapid adjustable mechanism using linear voice coil motor as driver.The 1970s occurs
Giant magnetostrictive material be a kind of rare earth ferroalloy functional material, magnetostrictive effect be the material important physical it
One.Magnetostrictive effect, the magnetized state hair of material internal can occur when giant magnetostrictive material is acted on by externally-applied magnetic field
It is raw to change, and then minor change occurs for the length of material and volume.Therefore, the magnetostrictive effect of giant magnetostrictive material is utilized
Characteristic can make the ultra-magnetic deformation actuator exported with micro-displacement, and micro-displacement adjusting is carried out to optic splice mirror.Mesh
Before, using the minute surface regulating mechanism of magnetostrictive effect principle development, majority can only realize the level-one adjusting to displacement, such as day
Literary telescope spectrometer regulating structure for micro displacement.And it there is no the magnetostriction microdisplacement in relation to the adjustment of displacement twin-stage can be achieved at present
The report of optic splice minute surface regulating mechanism.
Invention content
Purpose of utility model:
The utility model is directed to the deficiency of existing segmented mirror regulating structure for micro displacement technology, and design one kind is made with electric cylinder
For level-one fast driving, splice the twin-stage of more minute surfaces as the magnetostriction type of two level precision actuation using ultra-magnetic deformation actuator
Displacement regulating mechanism solves the problems, such as that the sub- mirror of splicing cannot be carried out at the same time quick-speed large-scale adjustment and precision positioning.
Technical solution:
The utility model is achieved through the following technical solutions:
A kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces, which includes three groups of identical twin-stage positions
Move regulating mechanism, Elastic Steel, flexible rubber block, central supported seat, centre post and support base;
Three groups of twin-stage displacement regulating mechanisms are uniformly distributed circumferentially in the lower part of Elastic Steel, and centre post lower end is mounted on
In support base, the upper end of centre post is connect by central supported seat with Elastic Steel;Flexible rubber block is mounted on Elastic Steel
Upper surface.
Twin-stage displacement regulating mechanism includes electric cylinder, support plate and ultra-magnetic deformation actuator;Electric cylinder is mounted on support
Pedestal top, the circular groove bottom surface at the center of support plate lower surface are contacted with the drive shaft upper surface of electric cylinder, and super mangneto is stretched
Contracting actuator is mounted on support plate upper surface, is equipped with output shaft at the center of ultra-magnetic deformation actuator, output shaft it is upper
Surface is contacted with the circular groove bottom surface of Elastic Steel edge.
The end cap lower thread through-hole of linear electric cylinder and the countersunk head threaded hole of support base are consolidated by head bolts
It is fixed;The external screw thread of drive shaft upper end is matched with support plate thread counterbore.
The support plate of patty is circumferential there are four identical stepped hole, and bottom cover screws sequentially pass through the ladder in support plate
Hole, the through-hole on ultra-magnetic deformation actuator bottom cover, the counterbore on sleeve;The screw-threaded counterbore and electric cylinder of support plate center
Driving axle thread match.
The ultra-magnetic deformation actuator bottom cover of axially symmetric structure is ladder circle cylindricality, has cylindrical boss, bottom cover at center
There are four the threaded holes with size for edge processing;Circular tube shaped sleeve on the top of bottom cover, sleeve upper and lower surface respectively there are four
Threaded hole;The coil rack for being wound with coil is mounted in barrel bore, and coil rack lower face is made to be contacted with bottom cover upper surface;It is super
Magnetostrictive rod is mounted in coil rack inner cavity, and giant magnetostrictive rod lower end is contacted with the boss surface of bottom cover;Multi-diameter shaft shape
The output shaft lower end groove inner bottom surface of shape and giant magnetostrictive rod upper-end contact, disk spring are mounted on the upper surface a of output shaft;
There is certain gap between output shaft and pre-load nut, disk spring;Circular top cover has tapped through hole at center, with pre-tightening spiral shell
Female external screw thread matches;There are four the ladder hole with size at cap edge, head cover and sleeve are fixed by holding screw
Connection.
The centre post lower thread connection of tapped through hole and cylindrical bar shape in the support base of circular sheet shape;Branch
Tapped through hole on support group seat is circumferentially with three groups of countersunk head threaded holes identical with electric cylinder bottom thread pore size.
There are four the through-hole with size among class triangular sheets Elastic Steel, edge is machined with and flexible rubber block upper end
The identical through-hole of b section diameters, the counterbore identical with output shaft diameter;The output shaft upper end of ultra-magnetic deformation actuator and elasticity
Counterbore bottom surface contact on steel.
Stepped central supported seat upper end square, the circumferential through-hole there are four with size, during fastening bolt passes sequentially through
Heart support base through-hole corresponding in Elastic Steel, central supported seat are existed with Elastic Steel by the clamp nut being sleeved in fastening bolt
It is locked in axial direction;Lower end is cylindrical shape, and internal diameter is identical with central supported shank diameter, and lower end side surface is machined with stepped hole, lock
Tight screw passes through the stepped hole on central supported seat and is fixed on centre post.
The external screw thread of the flexible rubber block upper end b parts of ladder circle cylindricality and the through-hole locking nut of Elastic Steel edge
It is fixed;Speculum lower surface is connect with flexible rubber block upper surface by way of gluing.
Advantage and effect:
The utility model is the twin-stage displacement regulating mechanism that a kind of magnetostriction type splices more minute surfaces, have the following advantages that and
Advantageous effect:
The utility model makes full use of the excellent properties of giant magnetostrictive material, by electric cylinder driving and ultra-magnetic telescopic material
Material driving combines, and proposes that a kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces, the device is mainly by electronic
The mechanism of cylinder and ultra-magnetic deformation actuator composition when electronic cylinder working, effectively can carry out quick, big model to reflector position
Enclose adjustment;On this basis, ultra-magnetic deformation actuator is allowed to work, the elongation of material is controlled by way of adjusting driving magnetic field
Amount is further realized and the big Range Ultraprecise of reflector position is controlled.
Description of the drawings
Fig. 1 is the twin-stage displacement regulating mechanism schematic diagram that magnetostriction type splices more minute surfaces.Wherein Fig. 1 (a) is front view,
Fig. 1 (b) is vertical view.
Fig. 2 is the displacement regulating mechanism schematic diagram of the single minute surface of magnetostriction type splicing.Fig. 2 (a) is front view, and Fig. 2 (b) is
Normal axomometric drawing.
Fig. 3 is twin-stage displacement regulating mechanism schematic diagram.
Fig. 4 is electric cylinder schematic diagram.Fig. 4 (a) is electric cylinder front view, and Fig. 4 (b) is electric cylinder vertical view, and Fig. 4 (c) is
Electric cylinder normal axomometric drawing.
Fig. 5 is ultra-magnetic deformation actuator schematic diagram, and wherein Fig. 5 (a) is ultra-magnetic deformation actuator front view, Fig. 5 (b)
It is ultra-magnetic deformation actuator vertical view, Fig. 5 (c) is ultra-magnetic deformation actuator A-A sectional views.
Fig. 6 is Elastic Steel schematic diagram, and wherein Fig. 6 (a) is Elastic Steel front view, and Fig. 6 (b) is Elastic Steel vertical view, Fig. 6
(c)It is Elastic Steel B-B sectional views.
Fig. 7 is flexible rubber block schematic diagram, and wherein Fig. 7 (a) is flexible rubber block front view, and Fig. 7 (b) is flexible rubber block
Vertical view.
Fig. 8 is support plate schematic diagram, and wherein Fig. 8 (a) is support plate front view, and Fig. 8 (b) is support plate C-C sectional views, figure
8 (c) is support plate vertical view.
Fig. 9 is central supported seat schematic diagram, and wherein Fig. 9 (a) is central supported seat front view, and Fig. 9 (b) is support plate D-D
Sectional view, Fig. 9 (c) are central supported seat vertical views.
Figure 10 is centre post schematic diagram, and wherein Figure 10 (a) is centre post front view, and Figure 10 (b) is center branch
Strut vertical view.
Figure 11 is that support base is intended to, and wherein Figure 11 (a) is support base front view, and Figure 11 (b) is that support base is overlooked
Figure, Figure 11 (c) is support base E-E sectional views.
Reference sign:
1- support bases, 2- head bolts, 3- lock-screws, 4- Elastic Steels, 5- flexible rubber blocks, 6- speculums, in 7-
Heart support base, 8- centre posts, 9- fastening bolts, 10- clamp nuts, 11- locking nuts, 12- electric cylinders, 13- support plates,
14- ultra-magnetic deformation actuators, 15- bottom cover screws, 16- end caps, 17- drive shafts, 18- bottom covers, 19- sleeves, 20- coil bones
Frame, 21- coils, 22- giant magnetostrictive rods, 23- head covers, 24- disk springs, 25- output shafts, 26- pre-load nuts, 27- tightenings
Screw, the upper surface of a- output shafts 25, the surface of b- flexible rubbers block 5.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings:
The utility model is the twin-stage displacement regulating mechanism that a kind of magnetostriction type splices more minute surfaces, utilizes ultra-magnetic telescopic
The excellent properties of material combine electric cylinder driving and giant magnetostrictive material driving, propose that a kind of magnetostriction type splicing is more
The twin-stage displacement regulating mechanism of minute surface.The operation principle of the utility model is:The device mainly by electric cylinder, support plate and surpasses
Magnetic deformation actuator composition twin-stage displacement regulating mechanism, when electronic cylinder working, electric cylinder output shaft drive support plate and
Ultra-magnetic deformation actuator carries out fast linear motion, and when reaching suitable position, electric cylinder is stopped, therefore can be effectively right
Reflector position carries out quick, a wide range of adjustment;When ultra-magnetic deformation actuator works, alternation electricity is passed through in driving coil
Stream, the electric current generate alternating magnetic field inside driving coil, and giant magnetostrictive rod generates in an axial direction under the action of alternating magnetic field
Magnetostriction deforms, and then the output shaft in ultra-magnetic deformation actuator is pushed to generate axial displacement.Utilize ultra-magnetic telescopic material
The magnetostrictive effect characteristic of material controls the elongation of material by way of adjusting driving magnetic field, further realizes to reflection
The accurate control of mirror position;Speculum is connect with Elastic Steel by flexible rubber block, is equipped with and is evenly distributed below Elastic Steel
Three groups of twin-stage displacement regulating mechanisms, be passed through current direction and size by controlling electric cylinder and ultra-magnetic deformation actuator coil
It can be realized the push-and-pull action to speculum, three groups of twin-stage displacement regulating mechanisms propulsion simultaneously or independently or retreat can be achieved anti-
The adjusting control of mirror posture is penetrated, revolution is reached into the different elevations angle in segmented mirror work, so as to fulfill to the big of reflector position
Range Ultraprecise controls.
As shown in Figure 1, a kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces, which includes three groups of phases
Same twin-stage displacement regulating mechanism, Elastic Steel 4, flexible rubber block 5, central supported seat 7, centre post 8 and support base 1;
Three groups of twin-stage displacement regulating mechanisms are uniformly distributed circumferentially in the lower part of Elastic Steel 4, the installation of 8 lower end of centre post
In support base 1, the upper end of centre post 8 is connect by central supported seat 7 with Elastic Steel 4;Flexible rubber block 5 is mounted on
The upper surface of Elastic Steel 4.
As shown in Figures 2 and 3, twin-stage displacement regulating mechanism includes electric cylinder 12, support plate 13 and ultra-magnetic telescopic actuating
Device 14;Circular groove bottom surface of the electric cylinder 12 at 1 top of support base, 13 lower surface center of support plate and electric cylinder 12
17 upper surface of drive shaft contact, ultra-magnetic deformation actuator 14 be mounted on 13 upper surface of support plate, ultra-magnetic telescopic activate
Output shaft 25 is installed, the upper surface of output shaft 25 is contacted with the circular groove bottom surface of 4 edge of Elastic Steel at the center of device 14.
As shown in figure 4, the 16 lower thread through-hole of end cap of linear electric cylinder 12 and the countersunk head threaded hole of support base 1
It is fixed by head bolts 2;The external screw thread of 17 upper end of drive shaft is matched with 13 screw-threaded counterbore of support plate.
As shown in figure 8, the support plate 13 of patty is circumferential there are four identical stepped hole, bottom cover screws 15 sequentially pass through branch
Stepped hole on fagging 13, the through-hole on 14 bottom cover 18 of ultra-magnetic deformation actuator, the counterbore on sleeve 19;13 center of support plate
The screw-threaded counterbore of position is matched with 17 screw thread of drive shaft of electric cylinder 12.
As shown in figure 5,14 bottom cover 18 of ultra-magnetic deformation actuator of axially symmetric structure is ladder circle cylindricality, there is circle at center
Cylindrical boss, there are four the threaded holes with size for the processing of 18 edge of bottom cover;Circular tube shaped sleeve 19 is in the top of bottom cover 18, sleeve
There are four threaded holes respectively for 19 upper and lower surfaces;The coil rack 20 for being wound with coil 21 is mounted in 19 inner cavity of sleeve, makes coil bone
21 lower face of frame is contacted with 18 upper surface of bottom cover;Giant magnetostrictive rod 22 is mounted in 21 inner cavity of coil rack, ultra-magnetic telescopic
22 lower end of stick is contacted with the boss surface of bottom cover 18;The 25 lower end groove inner bottom surface of output shaft and ultra-magnetic telescopic of ladder axis shape
22 upper-end contact of stick, disk spring 24 are mounted on the upper surface a of output shaft 25;Output shaft 25 and pre-load nut 26, disk spring
There is certain gap between 24;Circular top cover has tapped through hole at 23 center, is matched with 26 external screw thread of pre-load nut;Head cover
Head cover 23 is fixedly connected by 23 edges there are four the ladder hole with size by holding screw 27 with sleeve 19.
As shown in figure 11, under the tapped through hole in the support base 1 of circular sheet shape and the centre post 8 of cylindrical bar shape
End is threadedly coupled;Tapped through hole in support base 1 be circumferentially with three groups it is identical with 12 bottom thread pore size of electric cylinder
Countersunk head threaded hole.
As shown in fig. 6, there are four the through-hole with size among class triangular sheets Elastic Steel 4, edge be machined with it is soft
The 5 identical through-hole of upper end b section diameters of property rubber block, the counterbore identical with 25 diameter of output shaft;Ultra-magnetic deformation actuator 14
25 upper end of output shaft contacted with the counterbore bottom surface in Elastic Steel 4.
As shown in Figure 9 and Figure 10, stepped 7 upper end of central supported seat square, the circumferential through-hole there are four with size, tightly
Fixing bolt 9 passes sequentially through the through-hole corresponding in Elastic Steel 4 of central supported seat 7, and central supported seat 7 is with Elastic Steel 4 by being sleeved on
Clamp nut 10 in fastening bolt 9 is locked in the axial direction;Lower end is cylindrical shape, and internal diameter is identical with 8 diameter of centre post,
Lower end side surface is machined with stepped hole, and lock-screw 3 passes through the stepped hole on central supported seat 7 and is fixed on centre post 8
On.
As shown in fig. 7, the external screw thread of the 5 upper end b parts of flexible rubber block of ladder circle cylindricality and 4 edge of Elastic Steel is logical
Hole locking nut 11 is fixed;6 lower surface of speculum is connect with 5 upper surface of flexible rubber block by way of gluing.
Embodiment 1:
As shown in Figure 1, when operating, electric cylinder 12 is powered, ultra-magnetic deformation actuator 14 is under the drive of electric cylinder 12
Fast linear motion is carried out, when reaching suitable position, electric cylinder 12 is powered off and is stopped;When ultra-magnetic deformation actuator 14
During work, alternating current is passed through in driving coil 21, which generates alternating magnetic field inside driving coil 21, in alternating magnetic field
Under the action of giant magnetostrictive rod 22 generate in an axial direction magnetostriction deformation, and then push ultra-magnetic deformation actuator 14 in it is defeated
Shaft 25 generates axial displacement;6 lower surface of speculum is connect with 5 upper surface of flexible rubber block by way of gluing, flexible rubber
The external screw thread and the through-hole locking nut 11 of 4 edge of Elastic Steel of 5 upper end b parts of blob of viscose are fixed, and 4 lower section of Elastic Steel is equipped with
Three groups of twin-stage displacement regulating mechanisms being evenly distributed, by controlling electric cylinder 12 logical with 14 coil 21 of ultra-magnetic deformation actuator
Enter current direction and size and push-and-pull action to speculum 6 can be realized, three groups of twin-stage displacement regulating mechanisms make full use of elasticity
The flexural deformation of steel 4, propulsion simultaneously or independently or the adjusting control of retrogressing 6 posture of achievable speculum, segmented mirror work
It is middle that revolution is reached into the different elevations angle, it is controlled so as to fulfill big stroke, the ultraprecise to 6 position of speculum.
As shown in Figure 1, the utility model proposes the twin-stage displacement regulating mechanism that a kind of magnetostriction type splices more minute surfaces,
A kind of magnetostriction two-stage precision driving mechanism of speculum, the mechanism include three groups of identical twin-stage displacement regulating mechanisms,
Elastic Steel 4, flexible rubber block 5, central supported seat 7, centre post 8 and support base 1;
Three groups of twin-stage displacement regulating mechanisms are uniformly distributed circumferentially in the lower part of Elastic Steel 4, the installation of 8 lower end of centre post
In support base 1, the upper end of centre post 8 is connect by central supported seat 7 with Elastic Steel 4;Flexible rubber block 5 is mounted on
The upper surface of Elastic Steel 4.
As shown in Figures 2 and 3, twin-stage displacement regulating mechanism includes electric cylinder 12, support plate 13 and ultra-magnetic telescopic actuating
Device 14;Circular groove bottom surface of the electric cylinder 12 at 1 top of support base, 13 lower surface center of support plate and electric cylinder 12
17 upper surface of drive shaft contact, ultra-magnetic deformation actuator 14 be mounted on 13 upper surface of support plate, ultra-magnetic telescopic activate
Output shaft 25 is installed, the upper surface of output shaft 25 is contacted with the circular groove bottom surface of 4 edge of Elastic Steel at the center of device 14.
As shown in figure 11, under the tapped through hole in the support base 1 of circular sheet shape and the centre post 8 of cylindrical bar shape
End is threadedly coupled;Tapped through hole in support base 1 be circumferentially with three groups it is identical with 12 bottom thread pore size of electric cylinder
Countersunk head threaded hole.
As shown in figure 4, the 16 lower thread through-hole of end cap of linear electric cylinder 12 and the countersunk head threaded hole of support base 1
It is fixed by head bolts 2;The external screw thread of 17 upper end of drive shaft is matched with 13 screw-threaded counterbore of support plate.
As shown in figure 8, the support plate 13 of patty is circumferential there are four identical stepped hole, bottom cover screws 15 sequentially pass through branch
Stepped hole on fagging 13, the through-hole on 14 bottom cover 18 of ultra-magnetic deformation actuator, the counterbore on sleeve 19;13 center of support plate
The screw-threaded counterbore of position is matched with 17 screw thread of drive shaft of electric cylinder 12, can ensure that ultra-magnetic deformation actuator 14 exists in this way
Can be more steady in work, make drive displacement more accurate.
As shown in figure 5,14 bottom cover 18 of ultra-magnetic deformation actuator of axially symmetric structure is ladder circle cylindricality, there is circle at center
Cylindrical boss, there are four the threaded holes with size for the processing of 18 edge of bottom cover;Circular tube shaped sleeve 19 is in the top of bottom cover 18, sleeve
There are four threaded holes respectively for 19 upper and lower surfaces;The coil rack 20 for being wound with coil 21 is mounted in 19 inner cavity of sleeve, makes coil bone
21 lower face of frame is contacted with 18 upper surface of bottom cover;Giant magnetostrictive rod 22 is mounted in 21 inner cavity of coil rack, ultra-magnetic telescopic
22 lower end of stick is contacted with the boss surface of bottom cover 18;The 25 lower end groove inner bottom surface of output shaft and ultra-magnetic telescopic of ladder axis shape
22 upper-end contact of stick, disk spring 24 are mounted on the upper surface a of output shaft 25;Output shaft 25 and pre-load nut 26, disk spring
There is certain gap between 24;Circular top cover has tapped through hole at 23 center, is matched with 26 external screw thread of pre-load nut;Head cover
Head cover 23 is fixedly connected by 23 edges there are four the ladder hole with size by holding screw 27 with sleeve 19.
As shown in fig. 6, there are four the through-hole with size among class triangular sheets Elastic Steel 4, edge be machined with it is soft
The 5 identical through-hole of upper end b section diameters of property rubber block, the counterbore identical with 25 diameter of output shaft;Ultra-magnetic deformation actuator 14
25 upper end of output shaft contacted with the counterbore bottom surface in Elastic Steel 4.
As shown in Figure 9 and Figure 10, stepped 7 upper end of central supported seat square, the circumferential through-hole there are four with size, tightly
Fixing bolt 9 passes sequentially through the through-hole corresponding in Elastic Steel 4 of central supported seat 7, and central supported seat 7 is with Elastic Steel 4 by being sleeved on
Clamp nut 10 in fastening bolt 9 is locked in the axial direction;Lower end is cylindrical shape, and internal diameter is identical with 8 diameter of centre post,
Lower end side surface is machined with stepped hole, and lock-screw 3 passes through the stepped hole on central supported seat 7 and is fixed on centre post 8
On.
As shown in fig. 7, the external screw thread of the 5 upper end b parts of flexible rubber block of ladder circle cylindricality and 4 edge of Elastic Steel is logical
Hole locking nut 11 is fixed;6 lower surface of speculum is connect with 5 upper surface of flexible rubber block by way of gluing.
Claims (9)
1. a kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:The mechanism includes three groups of phases
Twin-stage displacement regulating mechanism together, Elastic Steel(4), flexible rubber block(5), central supported seat(7), centre post(8)And branch
Support group seat(1);
Three groups of twin-stage displacement regulating mechanisms are uniformly distributed circumferentially in Elastic Steel(4)Lower part, centre post(8)It installs lower end
In support base(1)On, centre post(8)Upper end pass through central supported seat(7)With Elastic Steel(4)Connection;Flexible rubber
Block(5)Mounted on Elastic Steel(4)Upper surface.
2. magnetostriction type according to claim 1 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:It is double
Level moves regulating mechanism and includes electric cylinder(12), support plate(13)And ultra-magnetic deformation actuator(14);Electric cylinder(12)Installation
In support base(1)Top, support plate(13)Circular groove bottom surface and electric cylinder at the center of lower surface(12)Drive shaft
(17)Upper surface contacts, ultra-magnetic deformation actuator(14)Mounted on support plate(13)Upper surface, in ultra-magnetic deformation actuator
(14)Center at output shaft is installed(25), output shaft(25)Upper surface and Elastic Steel(4)The circular groove bottom of edge
Face contacts.
3. magnetostriction type according to claim 2 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Directly
The electric cylinder of wire type(12)End cap(16)Lower thread through-hole and support base(1)Countersunk head threaded hole pass through head bolts
(2)It is fixed;Drive shaft(17)The external screw thread and support plate of upper end(13)Screw-threaded counterbore matches.
4. magnetostriction type according to claim 2 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Circle
The support plate of cheese(13)It is circumferential that there are four identical stepped hole, bottom cover screws(15)Sequentially pass through support plate(13)On ladder
Hole, ultra-magnetic deformation actuator(14)Bottom cover(18)On through-hole, sleeve(19)On counterbore;Support plate(13)Center
Screw-threaded counterbore and electric cylinder(12)Drive shaft(17)Screw thread matches.
5. magnetostriction type according to claim 2 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Axis
The ultra-magnetic deformation actuator of symmetrical structure(14)Bottom cover(18)For ladder circle cylindricality, there are cylindrical boss, bottom cover at center
(18)There are four the threaded holes with size for edge processing;Circular tube shaped sleeve(19)In bottom cover(18)Top, sleeve(19)On
There are four threaded holes respectively for lower surface;It is wound with coil(21)Coil rack(20)Mounted on sleeve(19)In inner cavity, make coil
Skeleton(21)Lower face and bottom cover(18)Upper surface contacts;Giant magnetostrictive rod(22)Mounted on coil rack(21)In inner cavity,
Giant magnetostrictive rod(22)Lower end and bottom cover(18)Boss surface contact;The output shaft of ladder axis shape(25)In the groove of lower end
Bottom surface and giant magnetostrictive rod(22)Upper-end contact, disk spring(24)Mounted on output shaft(25)Upper surface a;Output shaft
(25)With pre-load nut(26), disk spring(24)Between have certain gap;Circular top cover(23)There is screw thread to lead at center
Hole, with pre-load nut(26)External screw thread matches;Head cover(23)Edge passes through clamp screw there are four the ladder hole with size
Nail(27)By head cover(23)With sleeve(19)It is fixedly connected.
6. magnetostriction type according to claim 1 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Circle
The laminal support base of shape(1)On tapped through hole and cylindrical bar shape centre post(8)Lower thread connects;Branch support group
Seat(1)On tapped through hole be circumferentially with three groups and electric cylinder(12)The identical countersunk head threaded hole of bottom thread pore size.
7. magnetostriction type according to claim 1 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Class
Triangular sheets Elastic Steel(4)The intermediate through-hole there are four with size, edge is machined with and flexible rubber block(5)Upper end b portions
The through-hole and output shaft for dividing diameter identical(25)The identical counterbore of diameter;Ultra-magnetic deformation actuator(14)Output shaft(25)
Upper end and Elastic Steel(4)On counterbore bottom surface contact.
8. magnetostriction type according to claim 1 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Rank
Scalariform central supported seat(7)Upper end square, the circumferential through-hole there are four with size, fastening bolt(9)Pass sequentially through center branch
Support seat(7)With Elastic Steel(4)Upper corresponding through-hole, central supported seat(7)With Elastic Steel(4)By being sleeved on fastening bolt(9)On
Clamp nut(10)It locks in the axial direction;Lower end is cylindric, and internal diameter and centre post(8)Diameter is identical, lower end side
Surface is machined with stepped hole, lock-screw(3)Across central supported seat(7)On stepped hole and be fixed on centre post(8)
On.
9. magnetostriction type according to claim 1 splices the twin-stage displacement regulating mechanism of more minute surfaces, it is characterised in that:Rank
Terraced cylindrical flexible rubber block(5)The external screw thread and Elastic Steel of upper end b parts(4)The through-hole locking nut of edge(11)
It is fixed;Speculum(6)Lower surface and flexible rubber block(5)Upper surface is connected by way of gluing.
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CN201721623344.3U CN207504785U (en) | 2017-11-29 | 2017-11-29 | A kind of magnetostriction type splices the twin-stage displacement regulating mechanism of more minute surfaces |
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CN107911043A (en) * | 2017-11-29 | 2018-04-13 | 沈阳工业大学 | A kind of magnetostriction type splices the twin-stage displacement adjusting mechanism of more minute surfaces |
CN107911043B (en) * | 2017-11-29 | 2024-03-01 | 沈阳工业大学 | Two-stage displacement adjusting mechanism for magnetostriction type spliced multi-mirror-surface |
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