CN106100438A - Dynamic permanent magnet field drive-type ultra-magnetic deformation actuator - Google Patents
Dynamic permanent magnet field drive-type ultra-magnetic deformation actuator Download PDFInfo
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- CN106100438A CN106100438A CN201610485452.2A CN201610485452A CN106100438A CN 106100438 A CN106100438 A CN 106100438A CN 201610485452 A CN201610485452 A CN 201610485452A CN 106100438 A CN106100438 A CN 106100438A
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- 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 claims description 26
- 230000005291 magnetic effect Effects 0.000 abstract description 28
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 241000270959 Pelophylax nigromaculatus Species 0.000 description 1
- 229910001329 Terfenol-D Inorganic materials 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002520 smart material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- 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
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of dynamic permanent magnet field drive-type ultra-magnetic deformation actuator, two parts of body are installed together along centrosymmetry, and connect fastening by studs and nut；The upper surface of body contacts with the lower surface of outside support medial flange, installs driving gear shaft in the bottom of outside support, equipped with driving shaft deep groove ball bearing between lower end and the outside support of driving gear shaft；The upper end of driving gear shaft is equipped with driving gear, and actively back-up ring is tightened on driving gear shaft and is axially fixed by driving gear, driving gear and two driven gear engagements；Two parts of outside support are installed together along centrosymmetry, and in the counter sink of studs support mounted externally both sides, two parts of outside support are fastened by nut.The present invention, by the combination of permanent magnet with mechanical rotating mechanism, is formed and is moved by permanent magnet and produce the excitation mode of dynamic alternating magnetic field；Avoid magnetic excitation coil mode and drive the drawbacks such as power is big, heating is serious, volume is big.
Description
Technical field
The invention belongs to magnetic deformation actuator field, particularly to a kind of side producing dynamic alternating magnetic field with permanent magnet
Formula drives the ultra-magnetic deformation actuator of giant magnetostrictive rod dither.
Background technology
Giant magnetostrictive material is a kind of novel functional material, and it is to have extremely strong magnetostrictive effect under a kind of room temperature
A metal compound, its Typical Representative is Tb0.27Dy0.73Fe1.95And T0.7Dy0.73Fe2, trade name Terfenol-D.
As a kind of new and effective magnetic energy-mechanical energy transition material, with common magnetostriction materials (such as cobalt, nickel) and piezoelectric
Other materials such as (such as PZT) is compared, and it is high that it has big strain, highly efficient power density, precision height, fast response time and reliability
Advantage.
When ferromagnetic material magnetizes in magnetic field, meeting elongating or shortening along direction of magnetization generation trace, this phenomenon quilt
It is referred to as magneto-striction phenomenon, also referred to as Joule effect.Magnetostrictive effect is the important physical effect that giant magnetostrictive material has
One of answer, according to this effect, it is possible to use the deformation of giant magnetostrictive material realizes micron-sized accurate displacement and controls.Therefore,
Giant magnetostrictive material can be used to make driving means, i.e. ultra-magnetic deformation actuator.The application of ultra-magnetic deformation actuator
Wide, relate to many advanced civilian technology fields and military technological field, add with ultraprecise including Sonar system, precision
Work, fluid machinery, biomedicine, space flight etc..Such as, 2009 Smart Materials and Structures volume 18
9th phase, in the A high speed magnetostrictive mirror deflector delivered, Angara devises one
Can be used for the high speed ultra-magnetic telescopic deflection mirror surface device in radar and laser system.2007 at International
The Journal of Advanced Manufacturing Technology volume 33 3-4 phase, the Control of a delivered
In dual stage magnetostrictive actuator and linear motor feed drive system, wheat
This especially big of Rana nigromaculata have developed a kind of twin-stage feed drive system for controlling working angles.
Currently for most ultra-magnetic deformation actuators, mainly by being connected with produced by the coil of alternating current
Alternating magnetic field drives giant magnetostrictive rod to vibrate.But, this kind of type of drive needs to be provided alternation by large power supply
Electric current, it shows magnetic field intensity compared with the drawback such as little, coil heating amount is big, volume is big, have impact on the magnetic of giant magnetostrictive material
Cause telescopicing performance.Although additional pressure cooling system can improve coil drive formula ultra-magnetic deformation actuator to a certain extent
Heating problem, but the method can not reduce the generation of heat from root, have impact on the output of ultra-magnetic deformation actuator
Displacement accuracy.Therefore, inherently improve excitation field intensity and overcome heating problem, needing to study a kind of new field drives
Mode.At present, rarely has the mode using the permanent magnet dynamic alternating magnetic field of generation to drive giant magnetostrictive rod to produce dither
Report.
Summary of the invention
Goal of the invention
Many for the heating of solenoid drive-type ultra-magnetic deformation actuator, volume is big, inefficient problem, the present invention designs
A kind of using giant magnetostrictive rod as core parts, utilize the permanent magnet of high-speed rotation as dynamic alternating magnetic field source, make super mangneto
Extension stem produces the dynamic permanent magnet field drive-type ultra-magnetic deformation actuator of dither.
Technical scheme
A kind of dynamic permanent magnet field drive-type ultra-magnetic deformation actuator, this device overall structure is axisymmetric structure, its feature
It is: two parts of body are installed together along centrosymmetry, and connects fastening by body studs and body nut；Machine
The upper surface of body contacts with the lower surface of outside support medial flange, installs driving gear shaft in the bottom of outside support, actively
Equipped with driving shaft deep groove ball bearing between lower end and the outside support of gear shaft；The upper end of driving gear shaft equipped with driving gear,
Actively back-up ring is tightened on driving gear shaft and is axially fixed by driving gear, and two driven gears of driving gear and its both sides are nibbled
Close；Two parts of outside support are installed together along centrosymmetry, outside support studs support mounted externally both sides
In counter sink, two parts of outside support are fastened by outside support nut；Driven gear be arranged over lower rotor part, lower rotor part
Thin axle upper rotor part inserted above in, bar magnet is separately mounted on the groove that upper rotor part is corresponding with lower rotor part, deep-groove ball axle
Holding the bottom inner portion being arranged on upper rotor part and lower rotor part, the thin axle on lower rotor part passes through through the through hole on body with upper rotor part
Bonded；Driven gear is axially mounted on lower rotor part by key, and driven back-up ring is tightened on lower rotor part driven gear is axial
Fixing；Barred body pedestal is arranged in the groove on body, and the upper end of barred body pedestal is provided with giant magnetostrictive rod, ultra-magnetic telescopic
Rod upper surface contacts with the cascaded surface of the shoulder hole in waveguide rod；Spring is arranged on the upper surface of the upper surface of waveguide rod, spring
Contact with body.
Lower rotor part is stairstepping cylinder, and thin axle upper end has keyway, has annular groove around thin axle lower end；Lower turn
Sub-edge has 4 uniform cylindrical holes of circumference vertically；Having screwed hole at lower rotor part bottom center, side has key
Groove；Screwed driven back-up ring is arranged in the screwed hole of lower rotor part, is axially fixed by driven gear.
Upper rotor part is cylinder, and edge has 4 uniform cylindrical holes of circumference vertically, is provided with circle at lower center
Column-shaped trench, cylindrical trench bottom has cylindrical axial trough, axial trough has keyway；The upper end of the thin axle of lower rotor part is arranged on
In rotor axial trough, key is arranged in keyway and the upper rotor part keyway of lower rotor part thin axle upper end, and the thin axle of lower rotor part and upper rotor part
Axial trough between be interference fit, the keyway of key and lower rotor part thin axle upper end and the keyway of upper rotor part are interference fit.
Deep groove ball bearing is separately mounted in upper rotor part groove and lower rotor part groove, and deep groove ball bearing and upper rotor part and under
Rotor all uses interference fit.
Bar magnet is cylindrical, is separately mounted in the cylindrical hole of upper rotor part and lower rotor part, and bar magnet with
For being interference fit between upper rotor part and lower rotor part.
Body is made up of symmetrical two parts；Upper end claims with two corresponding thereto with two round boss, lower end
Round boss；The center of boss has through hole, has two symmetrical shoulder hole b inside boss；Have at upper end center
Shoulder hole c, and shoulder hole c upper end diameter is less than lower end diameter；Body side is with two pairs of through holes.
Barred body pedestal is stepped cylindrical shape, and center is with shoulder hole, and the diameter of lower stomidium is less than the diameter of upper end hole；Super
The lower end of magnetostrictive rod is arranged in the upper end hole of barred body pedestal, the two interference fits, and the lower surface of giant magnetostrictive rod
Contact with the bottom surface of barred body pedestal upper end hole；The groove of the shoulder hole b that barred body pedestal is arranged on body, and barred body pedestal 5
And it is interference fit between body.
Waveguide rod is stepped cylindrical shape, and lower end is with two symmetrical shoulder holes；Waveguide rod is arranged on the ladder on body
In the c of hole；The upper end of giant magnetostrictive rod is arranged in the shoulder hole of waveguide rod, and the upper surface of giant magnetostrictive rod and shoulder hole
Cascaded surface contact.
Outside support is made up of symmetrical two parts, and upper end is with flange；Having shoulder hole at lower center, driving shaft is deep
Ditch ball bearing is arranged at the cascaded surface of shoulder hole, and and shoulder hole between be interference fit；The both sides of an outside support often part
It is respectively arranged with a pair counter sink and a through hole.
Driving gear shaft is multidiameter, is threaded hole at upper end center, and top and bottom have keyway；With spiral shell
The active back-up ring of stricture of vagina is arranged in the threaded upper ends hole of driving gear shaft, is fixed in the axial direction by driving gear.
Advantage and effect
The present invention is a kind of dynamic permanent magnet field drive-type ultra-magnetic deformation actuator, has the advantage that and beneficial effect:
The present invention is to be provided the ultra-magnetic deformation actuator in dynamic exciting magnetic field by the permanent magnet moved, and embeds the permanent magnetism in rotor
Ferrum produces two dynamic alternating magnetic fields under high-speed electric expreess locomotive drives simultaneously, drives two giant magnetostrictive rods that height occurs simultaneously respectively
Frequency vibration.This device, by the combination of permanent magnet with mechanical rotating mechanism, defines a kind of being moved by permanent magnet and produces dynamically
The excitation mode of alternating magnetic field；Avoid that the driving power that magnetic excitation coil mode had is big, heating is serious, volume
The drawback such as big.This device uses two giant magnetostrictive rods deform upon simultaneously, improve power output scope, enhance system
Job stability.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of actuator, and wherein Fig. 1 (a) is the axis side view such as grade of actuator.Fig. 1 (b) be actuator another
The axis side view such as grade in individual direction.
Fig. 2 is the structural representation of actuator.
Fig. 3 is the half sectional view of actuator
Fig. 4 is the axis side view such as grade of body.
Fig. 5 is the half sectional view of body.
Fig. 6 is the axis side view such as grade of outside support.
Fig. 7 is the half sectional view of outside support.
Fig. 8 is the axis side view such as grade of lower rotor part, and wherein Fig. 8 (a) is the view in a direction, and Fig. 8 (b) is another direction
View.
Fig. 9 is lower rotor part schematic diagram, and wherein Fig. 9 (a) is the front view of lower rotor part, and Fig. 9 (b) is the A-A section view of lower rotor part
Figure.
Figure 10 is waveguide rod schematic diagram, wherein 10(a) it is the front view of waveguide rod, Figure 10 (b) is that the B-B of Figure 10 (a) cuts open
View.
Figure 11 is upper rotor part schematic diagram, and wherein Figure 11 (a) is the top view of upper rotor part, and Figure 11 (b) is the C-C of Figure 11 (a)
Sectional view.
Figure 12 is the axis side views such as driving gear shaft.
Figure 13 is Magnet scheme of installation.
Description of reference numerals:
1. body, 2. outside support, 3. upper rotor part, 4. giant magnetostrictive rod, 5. barred body pedestal, 6. deep groove ball bearing,
7. lower rotor part, 8. driven gear, 9. driving gear shaft, 10. driving shaft deep groove ball bearing, 11. driving gears, 12. is main
Dynamic back-up ring, 13. body nuts, 14. body studs, 15. outside support studs, 16. outside support nuts,
17. waveguide rod, 18. springs, 19. driven back-up rings, 20. bar magnets.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings:
The present invention design a kind of using giant magnetostrictive rod as core parts, utilize the permanent magnet of high-speed rotation as dynamic alternation magnetic
Field source, make giant magnetostrictive rod produce dither dynamic permanent magnet field drive-type ultra-magnetic deformation actuator.This dynamic permanent magnet
The operation principle of field drive-type ultra-magnetic deformation actuator is: the magnetostrictive effect principle of foundation giant magnetostrictive material, when
The axial dimension that will cause rod when the magnetized state of giant magnetostrictive rod changes changes；The bar magnet meeting of motion
Producing dynamic alternating magnetic field, under this action of a magnetic field, the magnetized state of giant magnetostrictive rod changes, and then super mangneto is stretched
Contracting rod produces continuous print dither；Then, the vibration of giant magnetostrictive rod is delivered to the external world by connected waveguide rod.
Fig. 1 is the schematic diagram of actuator, and Fig. 2 is the structural representation of actuator, and Fig. 3 is the half sectional view of actuator, figure
Middle upper rotor part 3 and lower rotor part 7 are internal each equipped with 4 bar magnets 20, as shown in figure 13, the bar magnet filled in upper rotor part 3
20 is contrary with being arranged on bar magnet 20 magnetic pole longitudinally opposed in lower rotor part 7, the magnetic pole between adjacent magnets on same rotor
The most contrary；Upper rotor part 3 and the every half-twist of lower rotor part 7, the direction in magnetic field will overturn once, and then produces dynamic alternating magnetic field.
During work, the motor being connected on driving gear shaft 9 drives driving gear 11 to rotate by driving gear shaft 9, then driving tooth
Wheel 11 drive driven gear 8 rotates, and driven gear 8 drives lower rotor part 7 and upper rotor part 3 to rotate.Along with upper rotor part 3 and lower rotor part 7
Rotation, the contact area between shoulder hole b on the end face of bar magnet 20 and body 1 constantly changes, and which results in magnetic
Road constantly changes, so that the size in magnetic field recurs change.Under action of alternating magnetic field, giant magnetostrictive rod 4 produces
Vibration, the vibration of giant magnetostrictive rod is delivered to the external world by the waveguide rod 18 being attached thereto.Barred body pedestal 5 is with super in figure 3
It is interference fits between magnetostrictive rod 4, it is to avoid giant magnetostrictive rod 4 occurs breakage when mounted；Barred body pedestal 5 and body 1
Between be interference fit, it is achieved that the bottom of giant magnetostrictive rod 4 is clamped.Remaining each design of part is shown in Fig. 4-Figure 13.
This device overall structure is axisymmetric structure, driven gear 8 be arranged over lower rotor part 7, the thin axle of lower rotor part 7
In upper rotor part 3 inserted above, bar magnet 20 is separately mounted on the groove of upper rotor part 3 and lower rotor part 7 correspondence, deep groove ball bearing
6 bottom inner portion being arranged on upper rotor part 3 and lower rotor part 7, the thin axle on lower rotor part 7 is through the through hole a on body 1 and upper rotor part 3
By bonded；Driven gear 8 is axially mounted on lower rotor part 7 by key, and driven back-up ring 19 is tightened in driven on lower rotor part 7
Gear 8 axial restraint；Barred body pedestal 5 is arranged in the grooves d on body 1, and the upper end of barred body pedestal 5 is provided with ultra-magnetic telescopic
Rod 4, giant magnetostrictive rod 4 upper surface contacts with the cascaded surface of the shoulder hole in waveguide rod 17；Spring 18 is arranged on waveguide rod 17
Upper surface, the upper surface of spring 18 contacts with body 1.After above-mentioned part installs, by two parts of body 1 along centrosymmetry
Install, and with body studs 14 and body nut 13, two parts of body 1 are connected fastening.The upper surface of body 1 is with outer
The lower surface contact of portion's support 2 medial flange.Driving gear shaft 9, driving gear shaft 9 times are installed in the bottom of outside support 2
Equipped with driving shaft deep groove ball bearing 10 between end and outside support 2；The upper end of driving gear shaft 9 is equipped with driving gear 11, actively
Back-up ring 12 is tightened in driving gear 11 axial restraint on driving gear shaft 9, and driving gear 11 engages with two driven gears 8.
Two parts of outside support 2 are installed along centrosymmetry, the countersunk head of outside support studs 15 support mounted externally both sides
Kong Zhong, and with outside support nut 16, two parts of outside support 2 are fastened.
Lower rotor part 7 is stairstepping cylinder, and thin axle upper end has keyway, has annular groove around thin axle lower end；Under
Rotor 7 edge has 4 uniform cylindrical holes of circumference vertically；Screwed hole, side opening is had at lower rotor part 7 bottom center
There is keyway；Screwed driven back-up ring 19 is arranged in the screwed hole of lower rotor part 7, by driven gear 8 axial restraint.
Upper rotor part 3 is cylinder, and edge has 4 uniform cylindrical holes of circumference vertically, is provided with at lower center
Cylindrical trench, cylindrical trench bottom has cylindrical axial trough, axial trough has keyway；The upper end of the thin axle of lower rotor part 7 is installed
In upper rotor part 3 axial trough, key is arranged in keyway and upper rotor part 3 keyway of the thin axle upper end of lower rotor part 7, and the thin axle of lower rotor part 7 with
Being interference fit between upper rotor part 3 axial trough, key is interference fit with keyway and upper rotor part 3 keyway of the thin axle upper end of lower rotor part 7.It is bonded
Upper rotor part 3 and the installation and removal of lower rotor part 7 are easy in the structure design connect.
Deep groove ball bearing 6 is separately mounted in upper rotor part 3 groove and lower rotor part 7 groove, and deep-groove ball axle 6 holds and upper rotor part
3 and lower rotor part 7 all use interference fit.Outside deep groove ball bearing 6 is built in upper rotor part 3 and lower rotor part 7 when being possible to prevent work
Boundary's dust impurity enters the internal accelerated wear test of deep groove ball bearing 6.
Bar magnet 20 is cylindrical, is separately mounted in the cylindrical hole of upper rotor part 3 and lower rotor part 7, and bar shaped magnetic
For being interference fit between ferrum 20 and upper rotor part 3 and lower rotor part 7.Interference between bar magnet 20 and upper rotor part 3 and lower rotor part 7
Coordinate and be possible to prevent upper rotor part 3 and lower rotor part 7 bar magnet 20 loose or dislocation within when high speed rotating.
Body 1 is made up of symmetrical two parts；Upper end claims with two corresponding thereto with two round boss, lower end
Round boss；The center of boss has through hole a, has two symmetrical shoulder hole b inside boss；Have at upper end center
Shoulder hole c, and shoulder hole c upper end diameter is less than lower end diameter；Body 1 side is with two pairs of through holes.Due to body 1 internal structure
More complicated, it is designed into two parts and is easy to processing, also allow for dismounting simultaneously and safeguard.
Barred body pedestal 5 is stepped cylindrical shape, and center is with shoulder hole, and the diameter of lower stomidium is less than the diameter of upper end hole.
The lower end of giant magnetostrictive rod 4 is arranged in the upper end hole of barred body pedestal 5, the two interference fits, and giant magnetostrictive rod 4 times
End face contacts with the bottom surface of barred body pedestal 5 upper end hole.At the grooves d of the shoulder hole b that barred body pedestal 5 is arranged on body 1, and rod
It it is interference fit between susceptor body 5 and body 1.The stairstepping via design of barred body pedestal 5 both can guarantee that the axle of giant magnetostrictive rod 4
Directly contact with low magnetic fields to the fixing lower end that can make again giant magnetostrictive rod 4 and be conducive to giving full play to giant magnetostrictive rod 4
Performance.
Waveguide rod 17 is stepped cylindrical shape, and lower end is with two symmetrical shoulder holes.Waveguide rod 17 is arranged on body 1
In shoulder hole c.The upper end of giant magnetostrictive rod 4 is arranged in the shoulder hole of waveguide rod 17, and the upper surface of giant magnetostrictive rod 4
Contact with the cascaded surface of shoulder hole.Two symmetrical shoulder holes both ensure that the connection of giant magnetostrictive rod 4 and waveguide rod 17 was fixed
The upper end that can make again giant magnetostrictive rod 4 contacts the performance of beneficially giant magnetostrictive rod 4 performance with magnetic field, top.
Outside support 2 is made up of symmetrical two parts, and upper end is with flange；Shoulder hole, driving shaft is had at lower center
Deep groove ball bearing 10 is arranged at the cascaded surface of shoulder hole, and and shoulder hole between be interference fit.The every part of outside support 2
Both sides are respectively arranged with a pair counter sink and a through hole.
Driving gear shaft 9 is multidiameter, is threaded hole at upper end center, and top and bottom have keyway；With
The active back-up ring 12 of screw thread is arranged in the threaded upper ends hole of driving gear shaft, is fixed in the axial direction by driving gear 11.
Claims (10)
1. a dynamic permanent magnet field drive-type ultra-magnetic deformation actuator, this device overall structure is axisymmetric structure, and it is special
Levy and be: two parts of body (1) are installed together along centrosymmetry, and by body studs (14) and body nut
(13) fastening is connected；The upper surface of body (1) contacts with the lower surface of outside support (2) medial flange, at outside support (2)
Driving gear shaft (9) is installed in bottom, equipped with driving shaft deep-groove ball axle between lower end and the outside support (2) of driving gear shaft (9)
Hold (10)；The upper end of driving gear shaft (9) is equipped with driving gear (11), and actively back-up ring (12) is tightened on driving gear shaft (9)
By driving gear (11) axial restraint, driving gear (11) engages with two driven gears (8) of its both sides；Outside support (2)
Two parts be installed together along centrosymmetry, the counter sink of outside support studs (15) support mounted externally both sides
In, two parts of outside support (2) are fastened by outside support nut (16)；Driven gear (8) be arranged over lower rotor part
(7), in thin axle upper rotor part inserted above (3) of lower rotor part (7), bar magnet (20) is separately mounted to upper rotor part (3) and lower turn
On the groove that son (7) is corresponding, deep groove ball bearing (6) is arranged on upper rotor part (3) and the bottom inner portion of lower rotor part (7), lower rotor part (7)
On thin axle through the through hole (a) on body (1) with upper rotor part (3) by bonded；Driven gear (8) is axially pacified by key
Being contained on lower rotor part (7), driven back-up ring (19) is tightened in driven gear (8) axial restraint on lower rotor part (7)；Barred body pedestal
(5) being arranged in the groove (d) on body (1), the upper end of barred body pedestal (5) is provided with giant magnetostrictive rod (4), and super mangneto is stretched
Contracting rod (4) upper surface contacts with the cascaded surface of the shoulder hole in waveguide rod (17)；Spring (18) is arranged on the upper of waveguide rod (17)
End face, the upper surface of spring (18) contact with body (1).
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: lower rotor part
(7) being stairstepping cylinder, thin axle upper end has keyway, has annular groove around thin axle lower end；Lower rotor part (7) edge
There are 4 uniform cylindrical holes of circumference vertically；Having screwed hole at lower rotor part (7) bottom center, side has keyway；Band
Threaded driven back-up ring (19) is arranged in the screwed hole of lower rotor part (7), by driven gear (8) axial restraint.
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: upper rotor part
(3) being cylinder, edge has 4 uniform cylindrical holes of circumference vertically, is provided with cylindrical trench at lower center, circle
Column-shaped trench bottom has cylindrical axial trough, and axial trough has keyway；The upper end of the thin axle of lower rotor part (7) is arranged on upper rotor part (3)
In axial trough, key is arranged in keyway and upper rotor part (3) keyway of the thin axle upper end of lower rotor part (7), and the thin axle of lower rotor part (7) is with upper
Being interference fit between the axial trough of rotor (3), the key keyway of axle upper end thin with lower rotor part (7) and the keyway of upper rotor part (3) are interference
Coordinate.
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: deep-groove ball axle
Hold (6) to be separately mounted in upper rotor part (3) groove and lower rotor part (7) groove, and deep groove ball bearing (6) and upper rotor part (3) and under
Rotor (7) all uses interference fit.
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: bar magnet
(20) it is cylindrical, is separately mounted in the cylindrical hole of upper rotor part (3) and lower rotor part (7), and bar magnet (20) is with upper
For being interference fit between rotor (3) and lower rotor part (7).
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: body (1)
It is made up of symmetrical two parts；Upper end is with two round boss, and lower end is with two round boss claimed corresponding thereto；Convex
The center of platform has through hole (a), has two symmetrical shoulder hole b inside boss；Shoulder hole c is had at upper end center, and
Shoulder hole c upper end diameter is less than lower end diameter；Body (1) side is with two pairs of through holes.
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: barred body pedestal
(5) being stepped cylindrical shape, center is with shoulder hole, and the diameter of lower stomidium is less than the diameter of upper end hole；Giant magnetostrictive rod (4)
Lower end be arranged in the upper end hole of barred body pedestal (5), the two interference fits, and the lower surface of giant magnetostrictive rod (4) with rod
The bottom surface contact of susceptor body (5) upper end hole；Barred body pedestal (5) is arranged on groove (d) place of the shoulder hole b on body (1), and rod
It is interference fit between susceptor body 5 and body (1).
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: waveguide rod
(17) being stepped cylindrical shape, lower end is with two symmetrical shoulder holes；Waveguide rod (17) is arranged on the shoulder hole c on body (1)
In；The upper end of giant magnetostrictive rod (4) is arranged in the shoulder hole of waveguide rod (17), and the upper surface of giant magnetostrictive rod (4)
Contact with the cascaded surface of shoulder hole.
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: outside support
(2) being made up of symmetrical two parts, upper end is with flange；Shoulder hole, driving shaft deep groove ball bearing (10) is had at lower center
Be arranged at the cascaded surface of shoulder hole, and and shoulder hole between be interference fit；The both sides of the every part of outside support (2) are respectively arranged with one
To counter sink and a through hole.
Dynamic permanent magnet field the most according to claim 1 drive-type ultra-magnetic deformation actuator, it is characterised in that: driving tooth
Wheel shaft (9) is multidiameter, is threaded hole at upper end center, and top and bottom have keyway；Screwed active keeps off
Circle (12) is arranged in the threaded upper ends hole of driving gear shaft, is fixed in the axial direction by driving gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610485452.2A CN106100438B (en) | 2016-06-24 | 2016-06-24 | Dynamic permanent magnet field drive-type ultra-magnetic deformation actuator |
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| CN106533251A (en) * | 2016-11-30 | 2017-03-22 | 沈阳工业大学 | Dynamic permanent magnetic field driven magnetostrictive actuator with displacement amplification function |
| CN110995054A (en) * | 2018-10-03 | 2020-04-10 | 佳能株式会社 | Vibration actuator and device comprising a vibrating element |
| CN115824108A (en) * | 2023-02-22 | 2023-03-21 | 零声科技(苏州)有限公司 | Waveguide rod and ultrasonic monitoring equipment |
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| CN106100438B (en) | 2017-12-01 |
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