CN201435693Y - Electromagnet-ostriction actuator - Google Patents
Electromagnet-ostriction actuator Download PDFInfo
- Publication number
- CN201435693Y CN201435693Y CN2009200291834U CN200920029183U CN201435693Y CN 201435693 Y CN201435693 Y CN 201435693Y CN 2009200291834 U CN2009200291834 U CN 2009200291834U CN 200920029183 U CN200920029183 U CN 200920029183U CN 201435693 Y CN201435693 Y CN 201435693Y
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- magnetic conduction
- urceolus
- solenoid
- mangneto
- actuator
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model relates to an electric motor or a generator which uses electromagnet-ostriction or magnetostriction for generating linear movement, and particularly to an actuator. The electromagnet-ostriction actuator provided by the utility model comprises an electromagnetic coil and a magnetostriction rod provided in the electromagnetic coil. A magnet conduction outer sleeve packs the periphery of the electromagnetic coil. One side or two opposite sides of the magnet conduction outer sleeve are provided with through holes. An insulation plate is fixedly provided at the end of the magnetostriction rod. The insulation plate is connected with a dynamic connection plate through a fastening bolt. The fastening bolt can move freely relatively to the through holes. A spring is provided between the insulation plate and the magnetic conduction outer sleeve. The mechanism provided by the utility model can be used for developing the instrument and device which require large displacement, large load and high precision driving function, improving the prior-art magnetostriction driving device and instrument, and can be widely used for the fields of actuator, brake, motor, vibration and control device, robot, precise manufacturing, biomedicine engineering, etc.
Description
Technical field
The utility model relates to straight-line electrostriction or magnetostrictive motor or the generator of utilizing of a kind of generation, relates in particular to a kind of actuator.
Background technology
In the last few years, electricity, the development of magnetostrictive material field are rapidly, produced the magnetostriction intellectual material that can be used for precision actuators development novel as giant magnetostriction material and magnetostriction marmem etc., it is big that this class material has energy density, the power output height, advantage such as telescopic shape change is big, control is accurate.But the actuation device that is based on this class telescopic material development often needs to produce the big current excitation of strong-electromagnetic field for reaching big telescopic displacement and heavy load actuation capability.But because the restriction of brake project organization makes the size of required solenoid limited usually, and can not produce ultrastrong magnetic field, when loading big electric current in particular for producing the magnet excitation field, coil thermal losses aggravation, coil heating will directly make magnetostrictive material produce thermal expansion, and directly influence the precision of magnetostriction mechanism displacement.
People are this type of problem of solution at present, the heating of often adopting in actuator inside the more additional cover liquid or the gas cooled circulatory system to come the balance solenoid.Though this solution cooling effect is pretty good, whole actuator structure complexity, overall dimensions increases, and needs extra pump to defectives such as systems.Chinese patent as Granted publication on the 28th March in 2007, Granted publication number is CN1307780C, a kind of phase change temperature control type ultra-magnetostriction microdisplacement actuator is disclosed, it increases phase-change temperature control device between giant magnetostrictive rod and drive coil, though can overcome the heating problem of solenoid within the specific limits, but still have the above-mentioned defective of pointing out.
The utility model content
Technique effect of the present utility model can overcome above-mentioned defective, and a kind of electromagnetism expansion actuator is provided, and its load is big, displacement is accurate.
For achieving the above object, the utility model adopts following technical scheme: it comprises solenoid and is arranged on the interior mangneto inductive rod of solenoid, solenoid periphery parcel magnetic conduction urceolus, and a side of magnetic conduction urceolus or relative both sides are provided with openings; The affixed division board in mangneto inductive rod end; Division board is connected with moving tie-plate by trip bolt at the openings place, but trip bolt is with respect to the openings free movement; Be provided with spring between division board and the magnetic conduction urceolus.
Mangneto excitation strain mechanism according to magnetostriction class intellectual material, promptly for the magnetostrictive material body, when adding electromagnetic field effect, the magnetostrictive material body will be created in the telescopic displacement (as giant magnetostriction material) on the external magnetic field loading direction, or be created in the telescopic displacement (as the mangneto marmem) on the vertical external magnetic field loading direction.In view of the above, when exciting field that external electromagnetic coil produces can be imported in the magnetostrictor by magnetic circuit, magnetostrictor will produce the magnetostriction distortion, promptly produce magnetostrictive displacement.Produced distortion before and after the permanent magnetic field excitation that magnetostrictor is being produced by external electromagnetic coil, this distortion passes by the rigidity magnetic conductive rod with every the magnetic end block in the mode of elongation displacement, and finally promotes load.
The magnetic conduction urceolus has two kinds of frame modes: 1. be provided with openings in relative both sides, it is symmetrical structure, and the deformation quantity of mangneto inductive rod can externally show by two opposite directions like this.2. only be provided with the actuator of openings in a side of magnetic conduction urceolus, be provided with at the relative opposite side of magnetic conduction urceolus and decide tie-plate, the deformation quantity of mangneto inductive rod only externally shows by a direction like this; It is affixed by bolt to decide tie-plate and magnetic conduction urceolus; Solenoid and decide to be provided with between the tie-plate magnetic conduction base plate, the periphery of magnetic conduction base plate contacts with the inner side edge of magnetic conduction urceolus.Be provided with isolating pad between magnetic conduction base plate and the mangneto inductive rod.Be provided with spacer between spring and the magnetic conduction urceolus; Spacer is connected with bolted cover by adjustment screw, and bolted cover is fixed on the magnetic conduction urceolus by screw thread, and the decrement of bolted cover regulating spring realizes compressing and fixed-site of mangneto inductive rod.The side of magnetic conduction urceolus is provided with the lead delivery outlet of solenoid.
The mangneto inductive rod is a kind of object that can produce flexible behavior under the excitation effect of magnetic field in the actuator, and magnetostrictor can adopt mangneto marmem, magnetostrictive material rod, magnetic rheological liquid etc.Spring can adopt other rubber-like object.
This actuator can be realized big electric current high-intensity magnetic field, and the electromagnetic excitation coil heating does not produce direct negative effect to magnetostrictive material.The precision that the present invention is specially adapted to small size, high-intensity magnetic field, big displacement, heavy load and avoids the temperature rise influence to require drives, the device research and development of positioning field.
The shape of electromagnetic circuit body permeability magnetic material bar is that Magnetic Circuit Shape can be changed according to practical structures environment needs, as long as electromagnetism magnetic field can be imported in the mangneto inductive rod.
Mechanism of the present invention can be used for developing the instrument and equipment that requires to produce big displacement, heavy load, high accuracy driving function, and, can be widely used in fields such as actuator, brake, motor, vibration and control appliance, robot, accurate manufacturing, biomedical engineering to having the improvement of magnetostriction driving arrangement, instrument now.
Description of drawings
Fig. 1 is the actuator schematic top plan view;
Fig. 2 is the schematic diagram of actuator embodiment 1.
Embodiment
This device comprises solenoid 5 and is arranged on the interior mangneto inductive rod 4 of solenoid, solenoid periphery parcel magnetic conduction urceolus 6, and a side of magnetic conduction urceolus 6 is provided with four openings, and opposite side is provided with decides tie-plate 1; It is affixed by bolt 14 with magnetic conduction urceolus 6 to decide tie-plate 1; Solenoid 5 and decide to be provided with between the tie-plate 1 magnetic conduction base plate 2, the periphery of magnetic conduction base plate 2 contacts with the inner side edge of magnetic conduction urceolus 6.Be provided with isolating pad 3 between magnetic conduction base plate 2 and the mangneto inductive rod 4.The affixed division board 13 in mangneto inductive rod 4 ends; Division board 13 is connected with moving tie-plate 7 by trip bolt 8 at the openings place, but trip bolt 8 is with respect to the openings free movement; Be provided with spring 12 between division board 13 and the magnetic conduction urceolus 6.Be provided with spacer 11 between spring 12 and the magnetic conduction urceolus 6; Spacer 11 is connected with bolted cover 10 by adjustment screw 9, and bolted cover 10 is fixed on the magnetic conduction urceolus 6 by screw thread, and the decrement of bolted cover 10 regulating springs realizes compressing and fixed-site of mangneto inductive rod 4.The side of magnetic conduction urceolus 6 is provided with the lead delivery outlet 15 of solenoid 5.
During work, solenoid 5 is fed electric current, produce magnetic field, this magnetic field 5 imports mangneto inductive rod 4, at this moment, and mangneto inductive rod 4 excitations.Because magnetostrictive material characteristic, mangneto inductive rod 4 are subjected to will produce elongation strain along importing magnetic direction after the magnetic field excitation.The electromagnetic field intensity that produces when solenoid 5 is enough greatly the time, its elongation strain power greater than spring 12 at mangneto inductive rod 4 two ends applied pressures, producing distortion will outwards be transmitted by the division board 13 that is positioned at 4 connections of mangneto inductive rod, spring 12 is compressed, and final moving tie-plate 7 loads that promote to be connected with division board 13 produce the outwards action of elongation.
When electromagnetic excitation is cancelled, mangneto inductive rod 4 is excitation and shrinking no longer, under the recovery pressure effect of spring 12, with the contraction of mangneto inductive rod 4, drives division board 13 simultaneously, and then moving tie-plate 7 loads that drive outermost end produce the action of promptly shortening to lira.So far, by to solenoid 5 electric current of make-and-break, make actuator produce flexible actuation function; And the displacement of the actuating of should stretching and the size of power output can accurately be controlled by the size of loading current intensity in the control solenoid 5.
Centre at the upper side edge of magnetic conduction urceolus 6 is provided with an openings, and other position sealing is provided with.Moving tie-plate 7 is provided with spring with the inboard of the upper side edge of magnetic conduction urceolus.Other is with embodiment 1.
Claims (5)
1. an electromagnetism expansion actuator is characterized in that comprising solenoid and is arranged on the interior mangneto inductive rod of solenoid, solenoid periphery parcel magnetic conduction urceolus, and a side of magnetic conduction urceolus or relative both sides are provided with openings; The affixed division board in mangneto inductive rod end; Division board is connected with moving tie-plate by trip bolt at the openings place, but trip bolt is with respect to the openings free movement; Be provided with spring between division board and the magnetic conduction urceolus.
2. electromagnetism expansion actuator according to claim 1 is characterized in that only being provided with in a side of magnetic conduction urceolus the actuator of openings, is provided with at the relative opposite side of magnetic conduction urceolus and decides tie-plate; It is affixed by bolt to decide tie-plate and magnetic conduction urceolus; Solenoid and decide to be provided with between the tie-plate magnetic conduction base plate, the periphery of magnetic conduction base plate contacts with the inner side edge of magnetic conduction urceolus.
3. electromagnetism expansion actuator according to claim 2 is characterized in that being provided with isolating pad between magnetic conduction base plate and the mangneto inductive rod.
4. according to claim 1 or 2 or 3 described electromagnetism expansion actuators, it is characterized in that being provided with spacer between spring and the magnetic conduction urceolus; Spacer is connected with bolted cover by adjustment screw, and bolted cover is fixed on the magnetic conduction urceolus by screw thread, and the decrement of bolted cover regulating spring realizes compressing and fixed-site of mangneto inductive rod.
5. electromagnetism expansion actuator according to claim 4 is characterized in that the side of magnetic conduction urceolus is provided with the lead delivery outlet of solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200291834U CN201435693Y (en) | 2009-07-01 | 2009-07-01 | Electromagnet-ostriction actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200291834U CN201435693Y (en) | 2009-07-01 | 2009-07-01 | Electromagnet-ostriction actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435693Y true CN201435693Y (en) | 2010-03-31 |
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ID=42054507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200291834U Expired - Lifetime CN201435693Y (en) | 2009-07-01 | 2009-07-01 | Electromagnet-ostriction actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435693Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118119A (en) * | 2011-04-08 | 2011-07-06 | 南昌工程学院 | Precision linear motor with giant magnetostrictive rare earth rod as drive source |
| CN103762889A (en) * | 2013-12-31 | 2014-04-30 | 杭州电子科技大学 | Lever-type vibration energy collector based on giant magnetostriction film |
| CN103762888A (en) * | 2013-12-31 | 2014-04-30 | 杭州电子科技大学 | Lever-type giant magnetostriction vibration energy collecting device |
| CN106100436A (en) * | 2016-06-24 | 2016-11-09 | 沈阳工业大学 | Nested type giant magnetostrictive actuator |
| CN108972510A (en) * | 2018-08-22 | 2018-12-11 | 广州大学 | Soft robot, mold former based on ferrofluid driving and preparation method thereof |
| CN110034032A (en) * | 2019-04-25 | 2019-07-19 | 广东工业大学 | A kind of compound bonding apparatus of force feedback closed-loop control |
| CN111516664A (en) * | 2020-04-15 | 2020-08-11 | 浙江吉利汽车研究院有限公司 | Braking system and vehicle with same |
-
2009
- 2009-07-01 CN CN2009200291834U patent/CN201435693Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118119A (en) * | 2011-04-08 | 2011-07-06 | 南昌工程学院 | Precision linear motor with giant magnetostrictive rare earth rod as drive source |
| CN103762889A (en) * | 2013-12-31 | 2014-04-30 | 杭州电子科技大学 | Lever-type vibration energy collector based on giant magnetostriction film |
| CN103762888A (en) * | 2013-12-31 | 2014-04-30 | 杭州电子科技大学 | Lever-type giant magnetostriction vibration energy collecting device |
| CN103762889B (en) * | 2013-12-31 | 2016-04-13 | 杭州电子科技大学 | Based on the lever vibrational energy collector of giant magnetostrictive thin film |
| CN106100436A (en) * | 2016-06-24 | 2016-11-09 | 沈阳工业大学 | Nested type giant magnetostrictive actuator |
| CN108972510A (en) * | 2018-08-22 | 2018-12-11 | 广州大学 | Soft robot, mold former based on ferrofluid driving and preparation method thereof |
| CN108972510B (en) * | 2018-08-22 | 2022-01-04 | 广州大学 | Soft robot based on ferrofluid drive, mold model and preparation method thereof |
| CN110034032A (en) * | 2019-04-25 | 2019-07-19 | 广东工业大学 | A kind of compound bonding apparatus of force feedback closed-loop control |
| CN110034032B (en) * | 2019-04-25 | 2020-10-20 | 广东工业大学 | Force feedback closed-loop control composite bonding device |
| CN111516664A (en) * | 2020-04-15 | 2020-08-11 | 浙江吉利汽车研究院有限公司 | Braking system and vehicle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |