CN105915107A - Giant magnetostrictive actuator with automatic thermal compensation function - Google Patents
Giant magnetostrictive actuator with automatic thermal compensation function Download PDFInfo
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- CN105915107A CN105915107A CN201610464580.9A CN201610464580A CN105915107A CN 105915107 A CN105915107 A CN 105915107A CN 201610464580 A CN201610464580 A CN 201610464580A CN 105915107 A CN105915107 A CN 105915107A
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 117
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000001939 inductive effect Effects 0.000 claims description 47
- 238000006073 displacement reaction Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002902 ferrimagnetic material Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
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Abstract
The invention relates to a giant magnetostrictive actuator with an automatic thermal compensation function, which comprises a casing arranged on the upper part of a bottom cover, a lower magnetic conductive cover arranged inside a cylindrical magnetic yoke on the upper part of the bottom cover, a coil skeleton arranged inside a cylindrical magnetic yoke on the upper part of the lower magnetic conductive cover, a cylindrical magnetic yoke arranged on the upper part of the bottom cover, a pre-tightening bolt arranged in the center of the bottom cover, a lower magnetic conductive block arranged in the inner hole of the coil skeleton and above the pre-tightening bolt, a giant magnetostrictive rod arranged in a round groove in the lower magnetic conductive block, an upper magnetic conductive block arranged above the giant magnetostrictive rod, an upper magnetic conductive cover arranged above the coil skeleton and provided with a through hole in the center inside the cylindrical magnetic yoke, a top cover arranged above the upper magnetic conductive cover, a stepped shaft-shaped transmission shaft with the lower end arranged in the central hole of the top cover, a pre-tightening cover passing through the upper part of the transmission shaft and a disk spring arranged between the transmission shaft and the pre tightening cover. Thus, the thermal deformation of the giant magnetostrictive rod can be effectively compensated, the displacement output precision is improved, and the displacement output precision is realized.
Description
Technical field
The present invention relates to super magnetostrictive actuating device field, a kind of ultra-magnetic deformation actuator with automatic thermal compensation function.
Background technology
Giant magnetostrictive material is the Novel Rare Earth Functional Materials that 20 century 70s occur, this material is to be considered 21 century after rare earth permanent magnet, rare earth luminous, rare earth high temperature superconducting materia to improve the novel strategic functional material of one of country's high-tech synthesized competitiveness.Magnetostrictive effect is one of important physical of this material, magnetostrictive effect refer to ferromagnetic material or ferrimagnetic material by after externally-applied magnetic field effect, owing to the change of its magnetized state, its length and volume will occur the phenomenon of minor variations.Simultaneously because this material having big magnetostriction coefficient, energy density height, responding the characteristics such as fast, magnetomechanical conversion efficiency height and resistance to compression, so utilizing giant magnetostrictive material and magnetostrictive effect can make micro-displacement driving device, i.e. ultra-magnetic deformation actuator.Ultra-magnetic deformation actuator has that output displacement scope is big, it is little to drift about, simple in construction, be prone to the advantages such as driving, operating frequency range width, therefore it is widely used in sonar system, and shows good application prospect at engineering fields such as Precision Machining, Ultra-precision Turning, fluid machineries.
At present, in super magnetostrictive actuating device field, mainly utilize the methods such as temperature control and software control that the thermal deformation of ultra-magnetic deformation actuator is compensated.Such as, in machine-building in August, 2006 volume 44 40-41 page, the thermic output of the super-magnetostrictive drive delivered and suppressing method thereof, Liu Chuhui proposes a kind of thermal deformation suppressing method based on phase change temperature control.In Tianjin Enginnering Normal College's journal volume 20 second phase in June, 2010, in the thermal compensation research of the magnetic telescopic driver delivered, LI Xiaopeng et al. proposes a kind of magnetic deformation actuator based on software upwards compensation method for thermal.But, the research that its thermal expansion deformation is compensated by thermal compensation mechanism automatically that utilize ultra-magnetic deformation actuator to carry, but rarely have report.
Summary of the invention
Goal of the invention
The present invention is directed to the thermal deformation of the giant magnetostrictive material impact on ultra-magnetic deformation actuator output displacement precision, a kind of ultra-magnetic deformation actuator with automatic thermal compensation function is proposed, may be implemented in ultra-magnetic deformation actuator work process the thermal deformation to material automatically to compensate, and then improve output displacement precision and the accuracy of Bit andits control of ultra-magnetic deformation actuator.
Technical scheme
A kind of ultra-magnetic deformation actuator with automatic thermal compensation function, including shell；It is characterized in that: shell is arranged on bottom top, lower magnetic conductive cover is arranged on inside bottom top cylinder yoke；Coil rack is arranged on inside lower magnetic conductive cover top cylinder yoke；Cylinder yoke is arranged on bottom top, pretension bolt is arranged on bottom center, lower magnetic inductive block is arranged in the endoporus of coil rack, it is arranged on above pretension bolt, the circular groove of lower magnetic inductive block is provided with giant magnetostrictive rod, upper magnetic inductive block is arranged on the top of giant magnetostrictive rod, is cased with cabling ring outside giant magnetostrictive rod；Center is arranged on inside the top of coil rack, cylinder yoke with the upper magnetic conductive cover of through hole, upper magnetic conductive cover be arranged above top cover；The power transmission shaft lower end of multidiameter shape is arranged in the centre bore of top cover, and power transmission shaft lower surface contacts with the upper recess bottom surface of upper magnetic inductive block；Pretension lid, through the top of power transmission shaft, is provided with disk spring between power transmission shaft and pretension lid；Bottom and shell lower end are upwards locked by bolt and nut shaft；Shell upper end, top cover and pretension lid are upwards locked by bolt and nut shaft.
Shell be top and bottom all with the cylinder of flange, upper flange and lower flange all with the uniform bolt hole of circumference, shell side wears uniform screw hole, screw through the screw hole on shell by shell and the radially locking of cylinder yoke.
Bottom is square, and, with manhole, there is the axially extending bore that four circumferences are uniform center around through hole, bottom edge has uniform bolt hole；Bottom lower end, with round boss, boss has four uniform radial direction through hole of circumference.
Lower magnetic conductive cover center has a screwed hole, has the through hole that four circumferences are uniform around screwed hole；With uniform ladder screwed hole on lower magnetic conductive cover circumference；Coil rack top and bottom all have four uniform screwed holes of circumference；The lower end of lower magnetic conductive cover and coil rack is fixed by screw, has gap between lower magnetic conductive cover lower end and bottom；Cylinder yoke lower end inside is with seam；The side, bottom of lower magnetic conductive cover side and coil rack and seam contacts side surfaces.
With circular groove at lower magnetic inductive block central upper portion, circumference contacts with the upper surface of pretension bolt with four symmetrical grooves, the lower lower surface of magnetic inductive block；All there is circular groove upper magnetic inductive block top and bottom, and circumference is with four symmetrical grooves；Walking wire loop center with through hole, circumference is with four symmetrical grooves；The lower surface of the giant magnetostrictive rod of cylindrical shape contacts with the circular groove bottom surface of lower magnetic inductive block, and giant magnetostrictive rod passes away wire loop, and the upper surface of giant magnetostrictive rod contacts with the circular groove bottom surface of upper magnetic inductive block lower end.
Upper magnetic conductive cover center has a through hole, and upper magnetic conductive cover has four uniform screwed holes；Between upper magnetic inductive block and coil rack and upper magnetic conductive cover, there is gap；Top cover is circular, and center, with through hole, top cover has four uniform ladder screwed holes and uniform bolt hole；Top cover is connected by screw fixing with upper magnetic conductive cover and coil rack.
Pretension lid is square, and center is with through hole, and with round boss at lower central, pretension lid edge has uniform bolt hole；Two disk springs through power transmission shaft top are arranged on power transmission shaft and pretension lid；Power transmission shaft in the vertical direction and top cover, between two disk springs, pretension lids, there is gap.
Two disk springs are compressed by pretension lid by the threaded engagement between nut and bolt.
Four grooves on four grooves on upper magnetic inductive block, four grooves walked on wire loop, lower magnetic inductive block, four through holes on lower magnetic conductive cover are corresponding with four through holes on bottom.
Advantage and effect
The present invention is a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, has the advantage that and beneficial effect:
This device is by utilizing the magnetostrictive effect characteristic of giant magnetostrictive material, provide a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, this device has a kind of thermal compensation mechanism being made up of coil rack, pretension bolt, giant magnetostrictive rod, can the thermal deformation of effective compensation giant magnetostrictive rod, improve the displacement output accuracy of ultra-magnetic deformation actuator, it is achieved the accurate control to its output displacement；Foursquare bottom and foursquare pretension lid make whole ultra-magnetic deformation actuator can not only be operated in vertical direction, and can be operated in horizontal direction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is bottom schematic diagram, and wherein Fig. 2 (a) is bottom front view, and Fig. 2 (b) is bottom top view.
Fig. 3 is top cover schematic diagram, and wherein Fig. 3 (a) is capping top view, and Fig. 3 (b) is Fig. 3 (a) B-B profile.
Fig. 4 is pretension lid schematic diagram, and wherein Fig. 4 (a) is pretension lid top view, and Fig. 4 (b) is Fig. 4 (a) C-C profile.
Fig. 5 is upper magnetic inductive block schematic diagram, and wherein Fig. 5 (a) is upper magnetic inductive block top view, and Fig. 5 (b) is the D-D profile of Fig. 5 (a).
Fig. 6 is lower magnetic inductive block schematic diagram, and wherein Fig. 6 (a) is lower magnetic inductive block top view, and Fig. 6 (b) is the E-E profile of Fig. 6 (a).
Fig. 7 is to walk wire loop schematic diagram, and wherein Fig. 7 (a) is the top view walking wire loop, and Fig. 7 (b) is the F-F profile of Fig. 7 (a).
Fig. 8 is lower magnetic conductive cover schematic diagram, and Fig. 8 (a) is the top view of lower magnetic conductive cover, and Fig. 8 (b) is the G-G profile of Fig. 8 (a).
Description of reference numerals:
1. power transmission shaft, 2. pretension lid, 3. top cover, 4. shell, 5. cylinder yoke, 6. drive coil, 7. coil rack, 8. pretension bolt, 9. bottom, 10. descend magnetic conductive cover, 11. times magnetic inductive blocks, 12. walk wire loop, 13. giant magnetostrictive rods, magnetic inductive block on 14., magnetic conductive cover on 15., 16. disk springs.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings:
The present invention is a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, in ultra-magnetic deformation actuator work process, the thermal expansion utilizing coil rack realizes automatically compensating the thermal deformation of giant magnetostrictive rod, and then improves output displacement precision and the accuracy of Bit andits control of ultra-magnetic deformation actuator.The operation principle of the present invention: utilize the magnetostrictive effect characteristic of giant magnetostrictive material, first give the precompression certain with giant magnetostrictive rod to increase its magnetostrictive strain, then to driving coil to be passed through alternating current, make giant magnetostrictive rod produce magnetostriction deformation, make actuator power transmission shaft produce axial displacement.The thermal deformation of giant magnetostrictive rod is compensated by thermal expansion automatically that utilize coil rack, to eliminate the giant magnetostrictive rod thermal deformation impact on output displacement, thus realizes the accurate control to its output displacement.
Fig. 1 is the structural representation of the present invention, when operating, first rotate pretension bolt 8 to give giant magnetostrictive rod 13 and apply certain precompression, giant magnetostrictive rod 13 is made to be operated in pressured state to increase its magnetostrictive strain, then being passed through alternating current to driving in coil 6, this electric current is driving generation magnetic field inside coil 6, causes giant magnetostrictive rod 13 to produce magnetostriction deformation, output and the displacement driving current in proportion, this deformation promotes actuator power transmission shaft 1 to produce axial displacement.Automatic thermal compensation mechanism is made up of coil rack 7, pretension bolt 8, giant magnetostrictive rod 13, coil rack 7 upper end is fixed with top cover 3 with upper magnetic conductive cover 15, the bottom of coil rack 7 is connected with lower magnetic conductive cover 10 and pretension bolt 8, and coil rack 7 and pretension bolt 8 can move according to the rightabout of giant magnetostrictive rod 13 magnetostrictive displacement.When ultra-magnetic deformation actuator works, owing to coil rack 7 upper end is fixed with top cover 3 and upper magnetic conductive cover 15, lower magnetic conductive cover 10 lower end and bottom 9 leave gap, so the rising along with temperature is extended downwards by coil rack 7, simultaneously, pretension bolt 8 is threaded connection with coil rack 7, pretension bolt 7 can extend downwards too, this just makes lower magnetic inductive block 11 move down, giant magnetostrictive rod 13 is made to produce gap before lower magnetic inductive block 11, because through design, thermal coefficient of expansion and the length of coil rack 7 can ensure that its thermal deformation is equal with the thermal deformation of giant magnetostrictive rod 13, so the thermal expansion curve that now giant magnetostrictive rod 13 self produces just can be cancelled, thus improve the output displacement precision of ultra-magnetic deformation actuator.
The present invention proposes a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, and as shown in Fig. 1 Fig. 8, shell 4 is arranged on bottom 9 top, and lower magnetic conductive cover 10 is arranged on bottom 9 top, and cylinder yoke 5 is internal；Coil rack 7 is arranged on lower magnetic conductive cover 10 top, cylinder yoke 5 inside, drives coil 6 to be wrapped on coil rack 7；Cylinder yoke 5 is arranged on bottom 9 top, pretension bolt 8 is arranged on bottom 9 center, lower magnetic inductive block 11 is arranged in the endoporus of coil rack 7, it is arranged on above pretension bolt 8, the circular groove of lower magnetic inductive block 11 is provided with giant magnetostrictive rod 13, upper magnetic inductive block 14 is arranged on the top of giant magnetostrictive rod 13, and giant magnetostrictive rod 13 is outside is cased with cabling ring 12；It is internal that center is arranged on the top of coil rack 7, cylinder yoke 5 with the upper magnetic conductive cover 15 of through hole, upper magnetic conductive cover 15 be arranged above top cover 3；Power transmission shaft 1 lower end of multidiameter shape is arranged in the centre bore of top cover 3, and power transmission shaft 1 lower surface contacts with the upper recess bottom surface of upper magnetic inductive block 14；Pretension lid 2, through the top of power transmission shaft 1, is provided with disk spring 16 between power transmission shaft 1 and pretension lid 2.Bottom 9 and shell 4 lower end are upwards locked by bolt and nut shaft；Shell 4 upper end, top cover 3 and pretension lid 2 are upwards locked by bolt and nut shaft.With shell 4, top cover 3, bottom 9, pretension lid 2 and the power transmission shaft 1 of the aluminum with big magnetic resistance, whole device internal structure is encapsulated in the inside, can effectively prevent external environment from the inside magnetic circuit of whole device is produced impact.
Shell 4 be top and bottom all with the cylinder of flange, upper flange and lower flange all with the uniform bolt hole of circumference, shell 4 side is with uniform screw hole；Shell 4 is radially locked with cylinder yoke 5 by screw through the screw hole on shell 4.Shell 4 uses flanged cylinder, it is simple to fixing and processing.Shell 4 is locked with cylinder yoke 5, thus adds the stability of whole device.
Bottom 9 is square, and center, with manhole, has the axially extending bore that four circumferences are uniform, bottom 9 edge to have uniform bolt hole around through hole；Bottom 9 lower end, with round boss, boss has four uniform radial direction through hole of circumference.Bottom 9 is set to square can make ultra-magnetic deformation actuator be possible not only to be operated in horizontal direction, it is also possible to be operated in vertical direction.
Lower magnetic conductive cover 10 center has a screwed hole, has the through hole that four circumferences are uniform around screwed hole；With uniform ladder screwed hole on lower magnetic conductive cover 10 circumference.Coil rack 7 top and bottom all have four uniform screwed holes of circumference.The lower end of lower magnetic conductive cover 10 and coil rack 7 is fixed by screw, between lower magnetic conductive cover 10 lower end and bottom 9, there is gap, so make coil rack 7 producing thermal expansion when, coil rack 7 and lower magnetic conductive cover 10 can be made to move down, thermal expansion curve is compensated..Cylinder yoke 5 lower end inside, with seam, the side, bottom of lower magnetic conductive cover 10 side and coil rack 7 and seam contacts side surfaces, can fix the coil rack 7 of lower end and lower magnetic conductive cover 10.
With circular groove at lower magnetic inductive block 11 central upper portion, circumference contacts with the upper surface of pretension bolt 8 with four symmetrical grooves, the lower surface of lower magnetic inductive block 11.All there is circular groove upper magnetic inductive block 14 top and bottom, and circumference is with four symmetrical grooves.Walking wire loop 12 center with through hole, circumference is with four symmetrical grooves.The lower surface of the giant magnetostrictive rod 13 of cylindrical shape contacts with the circular groove bottom surface of lower magnetic inductive block 11, and giant magnetostrictive rod 13 passes away wire loop, and the upper surface of giant magnetostrictive rod 13 contacts with the circular groove bottom surface of upper magnetic inductive block 14 lower end.Lower magnetic inductive block, upper magnetic inductive block and walk wire loop and groove is set can facilitate cabling.
Upper magnetic conductive cover 15 center has a through hole, and upper magnetic conductive cover 15 has four uniform screwed holes.Between upper magnetic inductive block 14 and coil rack 7 and upper magnetic conductive cover 15, there is gap.Top cover 3 is circular, and center, with through hole, top cover 3 has four uniform ladder screwed holes and uniform bolt hole.Top cover 3 is connected by screw fixing with upper magnetic conductive cover 15 and coil rack 7.It is to be attached with top cover 3, coil rack 7 that upper magnetic conductive cover 15 leaves screwed hole.Having gap between upper magnetic inductive block 14 and coil rack 7 and upper magnetic conductive cover 15, it is possible to reduce frictional force, the displacement making power transmission shaft export is more accurate.
Pretension lid 2 is square, and center is with through hole, and with round boss at lower central, pretension lid 2 edge has uniform bolt hole.Two disk springs 16 through power transmission shaft 1 top are arranged on power transmission shaft 1 and pretension lid 2；Between power transmission shaft 1 in the vertical direction and top cover 3, two disk springs 16, pretension lids 2, there is gap.Pretension lid 2 is set to square can make ultra-magnetic deformation actuator be possible not only to be operated in horizontal direction, it is also possible to be operated in vertical direction, and bottom arranges round boss and facilitates cabling and regulation pretension bolt 8.
Two disk springs 16 are compressed by pretension lid 2 by the threaded engagement between nut and bolt.Thus whole device is carried out pretension, make giant magnetostrictive rod 13 be operated in pressured state to increase its magnetostrictive strain.
Four grooves on four grooves on upper magnetic inductive block 14, four grooves walked on wire loop 12, lower magnetic inductive block 11, four through holes on lower magnetic conductive cover 10 are corresponding with four through holes on bottom 9.So arranging can be so that cabling.
Claims (9)
1. with a ultra-magnetic deformation actuator for automatic thermal compensation function, including shell (4)；It is characterized in that: shell (4) is arranged on bottom (9) top, it is internal that lower magnetic conductive cover (10) is arranged on bottom (9) top cylinder yoke (5)；It is internal that coil rack (7) is arranged on lower magnetic conductive cover (10) top cylinder yoke (5)；Cylinder yoke (5) is arranged on bottom (9) top, pretension bolt (8) is arranged on bottom (9) center, lower magnetic inductive block (11) is arranged in the endoporus of coil rack (7), it is arranged on pretension bolt (8) top, the circular groove of lower magnetic inductive block (11) is provided with giant magnetostrictive rod (13), upper magnetic inductive block (14) is arranged on the top of giant magnetostrictive rod (13), and giant magnetostrictive rod (13) is outside is cased with cabling ring (12)；It is internal that center is arranged on the top of coil rack (7), cylinder yoke (5) with the upper magnetic conductive cover (15) of through hole, upper magnetic conductive cover (15) be arranged above top cover (3)；Power transmission shaft (1) lower end of multidiameter shape is arranged in the centre bore of top cover (3), and power transmission shaft (1) lower surface contacts with the upper recess bottom surface of upper magnetic inductive block (14)；Pretension lid (2), through the top of power transmission shaft (1), is provided with disk spring (16) between power transmission shaft (1) and pretension lid (2)；Bottom (9) and shell (4) lower end are upwards locked by bolt and nut shaft；Shell (4) upper end, top cover (3) and pretension lid (2) are upwards locked by bolt and nut shaft.
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterized in that: shell (4) is that top and bottom are all with the cylinder of flange, upper flange and lower flange are all with the bolt hole that circumference is uniform, shell (4) is radially locked with cylinder yoke (5) through the screw hole on shell (4) by shell (4) side with uniform screw hole, screw.
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterized in that: bottom (9) is square, center, with manhole, has the axially extending bore that four circumferences are uniform, bottom (9) edge to have uniform bolt hole around through hole；Bottom (9) lower end, with round boss, boss has four uniform radial direction through hole of circumference.
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterised in that: lower magnetic conductive cover (10) center has a screwed hole, has the through hole that four circumferences are uniform around screwed hole；With uniform ladder screwed hole on lower magnetic conductive cover (10) circumference；Coil rack (7) top and bottom all have four uniform screwed holes of circumference；The lower end of lower magnetic conductive cover (10) and coil rack (7) is fixed by screw, has gap between lower magnetic conductive cover (10) lower end and bottom (9)；Cylinder yoke (5) lower end inside is with seam；The side, bottom of lower magnetic conductive cover (10) side and coil rack (7) and seam contacts side surfaces.
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterized in that: with circular groove at lower magnetic inductive block (11) central upper portion, circumference contacts with the upper surface of pretension bolt (8) with four symmetrical grooves, the lower surface of lower magnetic inductive block (11)；All there is circular groove upper magnetic inductive block (14) top and bottom, and circumference is with four symmetrical grooves；Walking wire loop (12) center with through hole, circumference is with four symmetrical grooves；The lower surface of the giant magnetostrictive rod (13) of cylindrical shape contacts with the circular groove bottom surface of lower magnetic inductive block (11), giant magnetostrictive rod (13) passes away wire loop (12), and the upper surface of giant magnetostrictive rod (13) contacts with the circular groove bottom surface of upper magnetic inductive block (14) lower end.
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterised in that: upper magnetic conductive cover (15) center has a through hole, and upper magnetic conductive cover (15) has four uniform screwed holes；Between upper magnetic inductive block (14) and coil rack (7) and upper magnetic conductive cover (15), there is gap；Top cover (3) is circular, and center, with through hole, top cover (3) has four uniform ladder screwed holes and uniform bolt hole；Top cover (3) is connected by screw fixing with upper magnetic conductive cover (15) and coil rack (7).
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterized in that: pretension lid (2) is square, center is with through hole, and with round boss at lower central, pretension lid (2) edge has uniform bolt hole；Two disk springs (16) through power transmission shaft (1) top are arranged on power transmission shaft (1) and pretension lid (2)；Power transmission shaft (1) in the vertical direction and top cover (3), two disk springs (16), pretension lids have gap between (2).
Ultra-magnetic deformation actuator with automatic thermal compensation function the most according to claim 1, it is characterised in that: two disk springs (16) are compressed by pretension lid (2) by the threaded engagement between nut and bolt.
9. according to the ultra-magnetic deformation actuator with automatic thermal compensation function described in claim 3,4 or 5, it is characterised in that: four grooves on four grooves on upper magnetic inductive block (14), four grooves walked on wire loop (12), lower magnetic inductive block (11), four through holes on lower magnetic conductive cover (10) are corresponding with four through holes on bottom (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464580.9A CN105915107B (en) | 2016-06-24 | 2016-06-24 | Ultra-magnetic deformation actuator with automatic thermal compensation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610464580.9A CN105915107B (en) | 2016-06-24 | 2016-06-24 | Ultra-magnetic deformation actuator with automatic thermal compensation function |
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| CN105915107A true CN105915107A (en) | 2016-08-31 |
| CN105915107B CN105915107B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610464580.9A Active CN105915107B (en) | 2016-06-24 | 2016-06-24 | Ultra-magnetic deformation actuator with automatic thermal compensation function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106594115A (en) * | 2016-12-29 | 2017-04-26 | 合肥工业大学 | Driven-by-wire brake acting through motor in combination with magnetostriction |
| CN106884948A (en) * | 2017-04-06 | 2017-06-23 | 山东大学 | A kind of adjustable double nut ball screw assembly, of combined type pretightning force and installation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594115A (en) * | 2016-12-29 | 2017-04-26 | 合肥工业大学 | Driven-by-wire brake acting through motor in combination with magnetostriction |
| CN106594115B (en) * | 2016-12-29 | 2018-11-06 | 合肥工业大学 | A kind of brake-by-wire device of motor joint magnetostriction effect |
| CN106884948A (en) * | 2017-04-06 | 2017-06-23 | 山东大学 | A kind of adjustable double nut ball screw assembly, of combined type pretightning force and installation method |
| CN106884948B (en) * | 2017-04-06 | 2023-08-01 | 山东大学 | Combined type double-nut ball screw pair with adjustable pretightening force and installation method |
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| CN105915107B (en) | 2018-06-29 |
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