CN105915107B - Ultra-magnetic deformation actuator with automatic thermal compensation function - Google Patents
Ultra-magnetic deformation actuator with automatic thermal compensation function Download PDFInfo
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- CN105915107B CN105915107B CN201610464580.9A CN201610464580A CN105915107B CN 105915107 B CN105915107 B CN 105915107B CN 201610464580 A CN201610464580 A CN 201610464580A CN 105915107 B CN105915107 B CN 105915107B
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 120
- 230000001939 inductive effect Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 17
- 230000036316 preload Effects 0.000 abstract description 15
- 239000000463 material Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 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
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002902 ferrimagnetic material Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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 present invention relates to a kind of ultra-magnetic deformation actuators with automatic thermal compensation function, including being mounted on bottom upper part of the cover shell, lower magnetic conductive cover inside bottom cover top cylinder yoke, coil rack inside lower magnetic conductive cover top cylinder yoke, mounted on bottom upper part of the cover cylinder yoke, the pretension bolt being arranged at bottom cover center, in the endoporus of coil rack, the lower magnetic inductive block being arranged on above pretension bolt, giant magnetostrictive rod is mounted in the circular groove of lower magnetic inductive block, upper magnetic inductive block above giant magnetostrictive rod, mounted on the top of coil rack, the upper magnetic conductive cover of through-hole is carried at cylinder yoke inside center, head cover above upper magnetic conductive cover；Lower end is mounted on the transmission shaft of the ladder axis shape in top cap central bore, across the preload lid on transmission shaft top, the disk spring between transmission shaft and preload lid.Can effective compensation giant magnetostrictive rod thermal deformation, improve displacement output accuracy, realize the accurate of output displacement.
Description
Technical field
The present invention relates to super magnetostrictive actuating device field, specifically a kind of super magnetic with automatic thermal compensation function
Cause expansion actuator.
Background technology
Giant magnetostrictive material be the 1970s occur novel Rare Earth Functional Materials, the material be after rare earth forever
The one kind for being considered as the national high-tech synthesized competitiveness of 21 century raising after magnetic, rare earth luminous, rare earth high temperature superconducting materia is new
The strategic functional material of type.Magnetostrictive effect is one of important physical of the material, and magnetostrictive effect refers to ferromagnetic
After material or ferrimagnetic material are acted on by externally-applied magnetic field, due to the change of its magnetized state, length and volume will occur
The phenomenon that minor change.Simultaneously because the material has, big magnetostriction coefficient, energy density are high, response is fast, magnetomechanical conversion effect
The characteristics such as rate height and resistance to compression, so micro-displacement driving device can be made using giant magnetostrictive material and magnetostrictive effect,
That is ultra-magnetic deformation actuator.Ultra-magnetic deformation actuator is with output displacement range is big, drift is small, simple in structure, is easy to drive
Dynamic, the advantages that operating frequency range is wide, therefore it is widely used in sonar system, and in Precision Machining, super
The engineering fields such as Precision Machining, fluid machinery show good application prospect.
At present, in super magnetostrictive actuating device field, the methods of being controlled with software mainly is controlled to super using temperature
The thermal deformation of magnetic deformation actuator compensates.For example, in 40-41 pages of volume 44 of the machine-building of in August, 2006, that delivers is super
In the thermotropic output of magnetic telescopic driver and its suppressing method, Liu Chuhui proposes a kind of thermal deformation suppression based on phase change temperature control
Method processed.In Tianjin Enginnering Normal College's journal second phase of volume 20 in June, 2010, the magnetic telescopic driver delivered is vulcanized
It repays in research, LI Xiaopeng et al. proposes a kind of upward compensation method for thermal of the magnetic deformation actuator based on software.But it utilizes
The research that the thermal compensation mechanism that ultra-magnetic deformation actuator carries compensates its thermal expansion deformation automatically, is but rarely reported.
Invention content
Goal of the invention
The present invention is directed to influence of the thermal deformation of giant magnetostrictive material to ultra-magnetic deformation actuator output displacement precision,
It is proposed a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, it can be achieved that in the ultra-magnetic deformation actuator course of work
In the thermal deformation of material is compensated automatically, and then improve ultra-magnetic deformation actuator output displacement precision and Bit andits control
Accuracy.
Technical solution
A kind of ultra-magnetic deformation actuator with automatic thermal compensation function, including shell；It is characterized in that：Shell is installed
On bottom cover top, lower magnetic conductive cover is mounted on inside bottom cover top cylinder yoke；Coil rack is mounted on lower magnetic conductive cover top cylinder
Inside yoke；Cylinder yoke is mounted on bottom cover top, and pretension bolt is arranged at bottom cover center, and lower magnetic inductive block is mounted on coil bone
It in the endoporus of frame, is arranged on above pretension bolt, giant magnetostrictive rod, upper magnetic inductive block is installed in the circular groove of lower magnetic inductive block
Mounted on the top of giant magnetostrictive rod, cabling ring is cased with outside giant magnetostrictive rod；The upper magnetic conductive cover of through-hole is carried at center
Inside the top of coil rack, cylinder yoke, head cover is installed above upper magnetic conductive cover；The transmission shaft of ladder axis shape
Lower end is mounted in the centre bore of head cover, and transmission shaft lower face is contacted with the upper recess bottom surface of upper magnetic inductive block；Lid is pre-tightened to wear
The top of transmission shaft is crossed, disk spring is installed between transmission shaft and preload lid；Bottom cover and shell lower end pass through bolt and nut
It is locked in axial direction；Shell upper end, head cover and preload lid are locked upwards by bolt and nut shaft.
Shell all carries the cylinder of flange for top and bottom, and upper flange and lower flange all carry circumferentially uniformly distributed bolt
Hole, shell side carry uniformly distributed screw hole, and screw passes through the screw hole on shell radially to lock shell and cylinder yoke.
Bottom cover is square, and with circular through hole at center, there are four circumferentially uniformly distributed axially extending bore, bottom covers around through-hole
Edge has uniformly distributed bolt hole；Bottom cover lower end carries round boss, and there are four circumferentially uniformly distributed radial through-hole for tool on boss.
Tool is there are one threaded hole at lower magnetic conductive cover center, and there are four circumferentially uniformly distributed through-holes around threaded hole；Lower magnetic conductive cover
Uniformly distributed ladder threaded hole is carried on circumference；Coil rack top and bottom all have there are four circumferentially uniformly distributed threaded hole；Under lead
The lower end of magnetic lid and coil rack is fixed by screw, lower to have gap between magnetic conductive cover lower end and bottom cover；In cylinder yoke lower end
Side carries seam allowance；Lower magnetic conductive cover side and the bottom end side of coil rack are contacted with seam allowance side.
With circular groove at lower magnetic inductive block central upper portion, there are four symmetrical groove, the following tables of lower magnetic inductive block for circumferential band
Face is contacted with the upper surface of pretension bolt；There are circular groove in upper magnetic inductive block top and bottom, and there are four symmetrical ditches for circumferential band
Slot；It walks with through-hole at wire loop center, there are four symmetrical grooves for circumferential band；The lower surface of the giant magnetostrictive rod of cylindrical shape
Contacted with the circular groove bottom surface of lower magnetic inductive block, giant magnetostrictive rod passes through away wire loop, the upper surface of giant magnetostrictive rod with it is upper
The circular groove bottom surface contact of magnetic inductive block lower end.
Tool is there are one through-hole at upper magnetic conductive cover center, and there are four uniformly distributed threaded holes for tool on upper magnetic conductive cover；Upper magnetic inductive block with
There is gap between coil rack and upper magnetic conductive cover；Head cover is circle, and with through-hole at center, there are four uniformly distributed for tool on head cover
Ladder threaded hole and uniformly distributed bolt hole；Head cover is connected by screw fixation with upper magnetic conductive cover and coil rack.
It pre-tightens and covers to be square, through-hole is carried at center, is had at lower central with round boss, preload lid edge
Uniformly distributed bolt hole；It is mounted on transmission shaft and preload lid across two disk springs on transmission shaft top；Transmission shaft is perpendicular
Nogata has gap between head cover, two disk springs, preload lid upwards.
Lid is pre-tightened to compress two disk springs by the thread fitting between nut and bolt.
Four grooves on upper magnetic inductive block walk four grooves on wire loop, four grooves on lower magnetic inductive block, lower magnetic conductive cover
On four through-holes it is corresponding with four through-holes on bottom cover.
Advantage and effect
The present invention is a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, is had the following advantages that and beneficial to effect
Fruit：
The present apparatus provides a kind of carry and vulcanizes automatically by using the magnetostrictive effect characteristic of giant magnetostrictive material
The ultra-magnetic deformation actuator of function is repaid, which is made of with a kind of coil rack, pretension bolt, giant magnetostrictive rod
Thermal compensation mechanism, can effective compensation giant magnetostrictive rod thermal deformation, improve the displacement output accuracy of ultra-magnetic deformation actuator,
Realization accurately controls its output displacement；The bottom cover of square and the preload lid of square make entire ultra-magnetic deformation actuator
Vertical direction can not only be operated in, and can be worked in the horizontal direction.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is bottom cover schematic diagram, wherein Fig. 2（a）For bottom cover front view, Fig. 2（b）For bottom cover vertical view.
Fig. 3 is head cover schematic diagram, wherein Fig. 3（a）It is capping top view, Fig. 3（b）It is Fig. 3（a）B-B sectional views.
Fig. 4 is to pre-tighten lid schematic diagram, wherein Fig. 4（a）It is to pre-tighten lid vertical view, Fig. 4（b）It is Fig. 4（a）C-C sectional views.
Fig. 5 is upper magnetic inductive block schematic diagram, wherein Fig. 5（a）It is upper magnetic inductive block vertical view, Fig. 5（b）It is Fig. 5（a）D-D cut open
Face figure.
Fig. 6 is lower magnetic inductive block schematic diagram, wherein Fig. 6（a）It is lower magnetic inductive block vertical view, Fig. 6（b）It is Fig. 6（a）E-E cut open
Face figure.
Fig. 7 is to walk wire loop schematic diagram, wherein Fig. 7（a）It is the vertical view for walking wire loop, Fig. 7（b）It is Fig. 7（a）F-F sections
Figure.
Fig. 8 is lower magnetic conductive cover schematic diagram, Fig. 8（a）It is the vertical view of lower magnetic conductive cover, Fig. 8（b）It is Fig. 8（a）G-G sections
Figure.
Reference sign：
1. transmission shaft, 2. preload lids, 3. head covers, 4. shells, 5. cylinder yokes, 6. driving coils, 7. coil racks, 8.
Pretension bolt, 9. bottom covers, 10. times magnetic conductive covers, 11. times magnetic inductive blocks, 12. walk wire loop, 13. giant magnetostrictive rods, magnetic conduction on 14.
Block, magnetic conductive cover on 15., 16. disk springs.
Specific embodiment
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
During work, realize that the thermal deformation to giant magnetostrictive rod is compensated automatically using the thermal expansion of coil rack, Jin Erti
The output displacement precision of high ultra-magnetic deformation actuator and the accuracy of Bit andits control.The operation principle of the present invention：Utilize super magnetic
The magnetostrictive effect characteristic of telescopic material is caused, gives the certain precompression of giant magnetostrictive rod first to increase its magnetostriction
Strain, is then passed through alternating current to driving coil, and giant magnetostrictive rod is made to generate magnetostriction deformation, makes actuator transmission shaft
Generate axial displacement.The thermal deformation of giant magnetostrictive rod is compensated automatically using the thermal expansion of coil rack, it is super to eliminate
Influence of the magnetostrictive rod thermal deformation to output displacement, so as to fulfill the accurate control to its output displacement.
Fig. 1 is the structure diagram of the present invention, when operating, rotates pretension bolt 8 first and gives giant magnetostrictive rod 13
Apply certain precompression, giant magnetostrictive rod 13 is made to be operated in pressured state to increase its magnetostrictive strain, then to driving
Alternating current is passed through in moving winding 6, which generates magnetic field inside driving coil 6, and giant magnetostrictive rod 13 is caused to generate magnetic
Dilatation, the output displacement proportional to driving current are caused, which pushes actuator transmission shaft 1 to generate axial displacement.From
Dynamic thermal compensation mechanism is made of coil rack 7, pretension bolt 8, giant magnetostrictive rod 13,7 upper end of coil rack and upper magnetic conductive cover
15 fix with head cover 3, and the bottom of coil rack 7 is connected with lower magnetic conductive cover 10 and pretension bolt 8, coil rack 7 and pretension bolt 8
It can be moved according to the opposite direction of 13 magnetostrictive displacement of giant magnetostrictive rod.When ultra-magnetic deformation actuator works, by
It is fixed in 7 upper end of coil rack with head cover 3 and upper magnetic conductive cover 15, lower 10 lower end of magnetic conductive cover and bottom cover 9 are there are gap, so line
Ring framework 7 will be extended with the raising of temperature and downwards, meanwhile, pretension bolt 8 is connected through a screw thread with coil rack 7, is pre-tightened
Bolt 7 can similarly extend downwards, this just moves down lower magnetic inductive block 11, make giant magnetostrictive rod 13 and lower magnetic inductive block 11 it
Preceding generation gap, since the coefficient of thermal expansion and length of coil rack 7 can ensure its thermal deformation and ultra-magnetic telescopic by design
The thermal deformation of stick 13 is equal, so the thermal expansion curve that giant magnetostrictive rod 13 itself generates at this time can be cancelled, so as to
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, such as institute in Fig. 1-Fig. 8
Show, shell 4 is mounted on 9 top of bottom cover, and lower magnetic conductive cover 10 is inside 9 top of bottom cover, cylinder yoke 5；Coil rack 7 is installed
Inside lower 10 top of magnetic conductive cover, cylinder yoke 5, driving coil 6 is wrapped on coil rack 7；Cylinder yoke 5 is mounted on bottom cover
9 tops, pretension bolt 8 are arranged at 9 center of bottom cover, and lower magnetic inductive block 11 is mounted in the endoporus of coil rack 7, is arranged on preload
Above bolt 8, giant magnetostrictive rod 13 is installed in the circular groove of lower magnetic inductive block 11, upper magnetic inductive block 14 is stretched mounted on super mangneto
The top of contracting stick 13 is cased with cabling ring 12 outside giant magnetostrictive rod 13；The upper magnetic conductive cover 15 with through-hole is mounted at center
Inside the top of coil rack 7, cylinder yoke 5, the top of upper magnetic conductive cover 15 is equipped with head cover 3；The transmission shaft 1 of ladder axis shape
Lower end is mounted in the centre bore of head cover 3, and 1 lower face of transmission shaft is contacted with the upper recess bottom surface of upper magnetic inductive block 14；It pre-tightens
Lid 2 passes through the top of transmission shaft 1, and disk spring 16 is equipped between transmission shaft 1 and preload lid 2.Bottom cover 9 and 4 lower end of shell lead to
It crosses bolt and nut shaft is locked upwards；4 upper end of shell, head cover 3 and preload lid 2 are locked upwards by bolt and nut shaft.Apparatus
Whole device internal structure is encapsulated in by shell 4, head cover 3, bottom cover 9, preload lid 2 and the transmission shaft 1 for having the aluminum material of big magnetic resistance
The inside can effectively prevent external environment to have an impact the inside magnetic circuit of whole device.
Shell 4 all carries the cylinder of flange for top and bottom, and upper flange and lower flange all carry circumferentially uniformly distributed bolt
Hole, 4 side of shell carry uniformly distributed screw hole；Screw passes through the screw hole on shell 4 radially to lock shell 4 and cylinder yoke 5
Tightly.Shell 4 uses flanged cylinder, convenient for fixed and processing.Shell 4 and cylinder yoke 5 are locked, so as to increase
The stability of whole device.
Bottom cover 9 is square, and with circular through hole at center, there are four circumferentially uniformly distributed axially extending bore, bottoms around through-hole
9 edge of lid has uniformly distributed bolt hole；9 lower end of bottom cover carries round boss, and there are four circumferentially uniformly distributed radial directions for tool on boss
Through-hole.Bottom cover 9, which is set as square, can make ultra-magnetic deformation actuator that can not only work in the horizontal direction, can also work
In vertical direction.
Tool is there are one threaded hole at lower 10 center of magnetic conductive cover, and there are four circumferentially uniformly distributed through-holes around threaded hole；Lower magnetic conduction
Uniformly distributed ladder threaded hole is carried on 10 circumference of lid.7 top and bottom of coil rack all have there are four circumferentially uniformly distributed threaded hole.
The lower end of lower magnetic conductive cover 10 and coil rack 7 is fixed by screw, has gap between lower 10 lower end of magnetic conductive cover and bottom cover 9, in this way
Make coil rack 7 when thermal expansion is generated, can move down coil rack 7 and lower magnetic conductive cover 10, to thermal expansion position
Shifting compensates..5 lower end inside of cylinder yoke carries seam allowance, the bottom end side of lower 10 side of magnetic conductive cover and coil rack 7 with only
The contact of mouth side, can fix the coil rack 7 of lower end and lower magnetic conductive cover 10.
With circular groove at lower 11 central upper portion of magnetic inductive block, circumferential band there are four symmetrical groove, lower magnetic inductive block 11
Lower surface is contacted with the upper surface of pretension bolt 8.There are circular groove in upper 14 top and bottom of magnetic inductive block, and there are four right for circumferential band
The groove of title.It walks with through-hole at 12 center of wire loop, there are four symmetrical grooves for circumferential band.The giant magnetostrictive rod of cylindrical shape
13 lower surface is contacted with the circular groove bottom surface of lower magnetic inductive block 11, and giant magnetostrictive rod 13 passes through away wire loop, ultra-magnetic telescopic
The upper surface of stick 13 is contacted with the circular groove bottom surface of upper 14 lower end of magnetic inductive block.Lower magnetic inductive block, upper magnetic inductive block and walk wire loop setting
Groove can facilitate cabling.
Tool is there are one through-hole at upper 15 center of magnetic conductive cover, and there are four uniformly distributed threaded holes for tool on upper magnetic conductive cover 15.Upper magnetic conduction
There is gap between block 14 and coil rack 7 and upper magnetic conductive cover 15.Head cover 3 is circle, and through-hole is carried at center, is had on head cover 3
There are four uniformly distributed ladder threaded hole and uniformly distributed bolts hole.Head cover 3 is connected by screw with upper magnetic conductive cover 15 and coil rack 7
It is fixed.Upper magnetic conductive cover 15 is to be attached with head cover 3, coil rack 7 there are threaded hole.Upper magnetic inductive block 14 and coil rack
There is gap, it is possible to reduce frictional force makes the displacement that transmission shaft exports more accurate between 7 and upper magnetic conductive cover 15.
Lid 2 is pre-tightened as square, through-hole is carried at center, round boss is carried at lower central, pre-tightens 2 edge of lid tool
There is uniformly distributed bolt hole.It is mounted on transmission shaft 1 and preload lid 2 across two disk springs 16 on 1 top of transmission shaft；Transmission
Axis 1 has gap between 3, two disk springs 16 of head cover, preload lid 2 in the vertical direction.It pre-tightens lid 2 and is set as square
It can make ultra-magnetic deformation actuator that can not only work in the horizontal direction, vertical direction, lower part setting circle can also be operated in
Shape boss facilitates cabling and adjusts pretension bolt 8.
Lid 2 is pre-tightened to compress two disk springs 16 by the thread fitting between nut and bolt.So as to whole device
It is pre-tightened, giant magnetostrictive rod 13 is made to be operated in pressured state to increase its magnetostrictive strain.
Four grooves on upper magnetic inductive block 14, walk four grooves on wire loop 12, four grooves on lower magnetic inductive block 11, under
Four through-holes on magnetic conductive cover 10 are corresponding with four through-holes on bottom cover 9.Setting can be in order to cabling in this way.
Claims (9)
1. a kind of ultra-magnetic deformation actuator with automatic thermal compensation function, including shell（4）；It is characterized in that：Shell（4）
Mounted on bottom cover（9）Top, lower magnetic conductive cover（10）Mounted on bottom cover（9）Top cylinder yoke（5）It is internal；Coil rack（7）Peace
Mounted in lower magnetic conductive cover（10）Top cylinder yoke（5）It is internal；Cylinder yoke（5）Mounted on bottom cover（9）Top, pretension bolt（8）
It is arranged on bottom cover（9）At center, lower magnetic inductive block（11）Mounted on coil rack（7）Endoporus in, be arranged on pretension bolt（8）On
Side, lower magnetic inductive block（11）Circular groove in giant magnetostrictive rod is installed（13）, upper magnetic inductive block（14）It is stretched mounted on super mangneto
Contracting stick（13）Top, giant magnetostrictive rod（13）Outside is cased with cabling ring（12）；The upper magnetic conductive cover of through-hole is carried at center
（15）Mounted on coil rack（7）Top, cylinder yoke（5）Inside, upper magnetic conductive cover（15）Top head cover is installed（3）；
The transmission shaft of ladder axis shape（1）Lower end is mounted on head cover（3）Centre bore in, and transmission shaft（1）Lower face and upper magnetic inductive block
（14）Upper recess bottom surface contact；Pre-tighten lid（2）Across transmission shaft（1）Top, transmission shaft（1）It is covered with pre-tightening（2）Between
Disk spring is installed（16）；Bottom cover（9）And shell（4）It is locked upwards by bolt and nut shaft lower end；Shell（4）Upper end,
Head cover（3）It is covered with pre-tightening（2）It is locked upwards by bolt and nut shaft.
2. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：Shell
（4）The cylinder of flange is all carried for top and bottom, upper flange and lower flange are all with circumferentially uniformly distributed bolt hole, shell（4）
Side carries uniformly distributed screw hole, and screw passes through shell（4）On screw hole by shell（4）With cylinder yoke（5）Radially lock.
3. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：Bottom cover
（9）For square, with circular through hole at center, there are four circumferentially uniformly distributed axially extending bore, bottom covers around through-hole（9）Edge
With uniformly distributed bolt hole；Bottom cover（9）Lower end carries round boss, and there are four circumferentially uniformly distributed radial through-hole for tool on boss.
4. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：Under lead
Magnetic lid（10）Tool is there are one threaded hole at center, and there are four circumferentially uniformly distributed through-holes around threaded hole；Lower magnetic conductive cover（10）Circumference
It is upper to carry uniformly distributed ladder threaded hole；Coil rack（7）Top and bottom all have there are four circumferentially uniformly distributed threaded hole；Lower magnetic conduction
Lid（10）With coil rack（7）Lower end fixed by screw, lower magnetic conductive cover（10）Lower end and bottom cover（9）Between have gap；Circle
Cylinder yoke（5）Lower end inside carries seam allowance；Lower magnetic conductive cover（10）Side and coil rack（7）Bottom end side connect with seam allowance side
It touches.
5. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：Under lead
Magnetic patch（11）With circular groove at central upper portion, there are four symmetrical groove, lower magnetic inductive blocks for circumferential band（11）Lower surface with
Pretension bolt（8）Upper surface contact；Upper magnetic inductive block（14）There are circular groove in top and bottom, and there are four symmetrical for circumferential band
Groove；Walk wire loop（12）With through-hole at center, there are four symmetrical grooves for circumferential band；The giant magnetostrictive rod of cylindrical shape
（13）Lower surface and lower magnetic inductive block（11）Circular groove bottom surface contact, giant magnetostrictive rod（13）Pass through away wire loop（12）,
Giant magnetostrictive rod（13）Upper surface and upper magnetic inductive block（14）The circular groove bottom surface contact of lower end.
6. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：On lead
Magnetic lid（15）There are one through-hole, upper magnetic conductive covers for tool at center（15）There are four uniformly distributed threaded holes for upper tool；Upper magnetic inductive block（14）With
Coil rack（7）With upper magnetic conductive cover（15）Between have gap；Head cover（3）For circle, with through-hole, head cover at center（3）On
There are four uniformly distributed ladder threaded hole and uniformly distributed bolts hole for tool；Head cover（3）With upper magnetic conductive cover（15）And coil rack（7）Pass through
Screw connection is fixed.
7. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：It pre-tightens
Lid（2）For square, with through-hole at center, with round boss at lower central, lid is pre-tightened（2）Edge has uniformly distributed
Bolt hole；Across transmission shaft（1）Two disk springs on top（16）Mounted on transmission shaft（1）It is covered with pre-tightening（2）Between；Transmission
Axis（1）In the vertical direction with head cover（3）, two disk springs（16）, pre-tighten lid（2）Between have gap.
8. the ultra-magnetic deformation actuator according to claim 1 with automatic thermal compensation function, it is characterised in that：It pre-tightens
Lid（2）By the thread fitting between nut and bolt by two disk springs（16）Compression.
9. the ultra-magnetic deformation actuator with automatic thermal compensation function according to claim 3,4 or 5, feature exist
In：Upper magnetic inductive block（14）On four grooves, walk wire loop（12）On four grooves, lower magnetic inductive block（11）On four grooves,
Lower magnetic conductive cover（10）On four through-holes and bottom cover（9）On four through-holes it is corresponding.
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| 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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|---|---|---|---|
| CN201610464580.9A CN105915107B (en) | 2016-06-24 | 2016-06-24 | Ultra-magnetic deformation actuator with automatic thermal compensation function |
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| CN105915107B true CN105915107B (en) | 2018-06-29 |
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| 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 |
| 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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| CN1307780C (en) * | 2004-03-19 | 2007-03-28 | 浙江大学 | Phase change temp controlling super magneto strictive extension microshifting actuator |
| CN2779718Y (en) * | 2005-01-27 | 2006-05-10 | 上海交通大学 | Bias magnetic field continuously adjustable over-magnetostrictive actuator |
| CN204810174U (en) * | 2015-04-13 | 2015-11-25 | 陈泉南 | Automatic thermal compensation formula giant magnetostrictive power take -off |
| CN205754058U (en) * | 2016-06-24 | 2016-11-30 | 沈阳工业大学 | Ultra-magnetic deformation actuator with automatic thermal compensation function |
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