CN108696095A - A kind of high-temperature superconductor non-contact transmission mechanism - Google Patents
A kind of high-temperature superconductor non-contact transmission mechanism Download PDFInfo
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- CN108696095A CN108696095A CN201810480135.0A CN201810480135A CN108696095A CN 108696095 A CN108696095 A CN 108696095A CN 201810480135 A CN201810480135 A CN 201810480135A CN 108696095 A CN108696095 A CN 108696095A
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- Prior art keywords
- protective cover
- dewar
- motor
- rotatable platform
- corner brace
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The present invention relates to a kind of high-temperature superconductor non-contact transmission mechanisms; including protective cover; corner brace is fixed in protective cover; corner brace bottom surface is fixedly installed motor; the output shaft of motor is through corner brace and upwardly extends, and the output shaft top of motor is fixed with shaft coupling, and the shaft coupling other end is installed with a connecting rod; connecting rod top is fixedly installed magnet rotatable platform, and multiple permanent magnets are installed in the groove of magnet rotatable platform top surface;It is provided with Dewar rotating mechanism above protective cover, Dewar rotating mechanism includes Dewar shell, is fixed on the Dewar rotatable platform of Dewar housing tip and is set to the superconduction block material of Dewar enclosure interior;The present invention utilizes distinctive flux pinning force between high-temperature superconductor and permanent magnet, realizes stabilization contactless transmission of the motor to workpiece, avoids mechanical friction and component wear, have the advantages that it is reliable and stable, be easily isolated.
Description
Technical field
The invention belongs to technical field of driving, and in particular to a kind of high-temperature superconductor non-contact transmission mechanism.
Background technology
In the prior art, transmission device, which is essentially relying between motor and workpiece, is added shaft coupling, bearing, friction
The components such as wheel, gear, leading screw, to realize transmission of the power from motor to workpiece.This kind of drive utilizes machinery
Mode passing power, machine driving are generally divided into two classes:First, the friction of the frictional force passing power and movement between parts passes
It is dynamic.Second is that being engaged with driven member by driving link or engaging passing power or the engaged transmission of movement by middleware.This two classes machine
The tool kind of drive has a very wide range of applications, but mechanical drive mode because its is simple in structure, technology maturation in mechanical engineering
There is also clearly disadvantageous, i.e., presence frictions between motor and transmission parts, each transmission parts, transmission parts and workpiece
Power, therefore, in transmission process inevitably there are mechanical friction, component wear, generate heat, have the problems such as noise.These
Often also needed to that the modes such as lubrication, cooling are added to improve the stability of operating between component, be vulnerable to external working environment because
The influence of element, can not also work under some harsh environments.Simultaneously because in transmission system lubricating oil, coolant addition,
So that it is not suitable for the working spaces such as constant temperature, noiseless, dustless yet.
And the contactless kind of drive can largely solve frictional dissipation caused by conventional mechanical transmission mode
The problems such as.For example, application No. is 200910062234.8 patent of invention, by the junction of transmission parts, using pole pair
The permanent magnet answered, or replaced with electromagnetic induction facilities such as the electromagnets of magnetic adjustable variation, constitute a kind of electromagnetism sense
It should gently contact and non-contact magnetic transmission structure, realize light contact and contactless transmission;Authorization Notice No. is CN
The patent of invention of 203823001 U is by introducing permanent magnetic rotation disc and conductor turntable so that permanent magnetic rotation disc is acted on by electromagnetic induction
Power mode coordinates with the transmission of conductor turntable, realizes touchless transmission;Authorization Notice No. is the hair of 206226258 U of CN
Bright patent is by introducing permanent magnet gear so that driving wheel and follower do not contact again while intermeshing, realize non-contact
Magnetic drives speed change.
But though these above-mentioned patents to overcome abrasion, broken teeth, noise present in the existing machinery kind of drive larger etc.
Problem, but since these above-mentioned kinds of drive generally use the original of " identical charges repel each other, and there is a natural attraction between the sexes " between permanent magnet or electromagnet
The characteristics of reason, and the active force between permanent magnet is apparent with distance change, and stability is poor, " attract or repel " makes
Transmission process is obtained to be not sufficiently stable and accurately, need to bear coming from for bigger so as to cause the bearing connecting with magnet in operational process
Lateral power so that bearing fluctuation of service, it is also more easy to wear.
Invention content
In order to solve the above technical problems existing in the prior art, the present invention provides following technical schemes:
A kind of high-temperature superconductor non-contact transmission mechanism, including protective cover are fixed with corner brace, the corner brace bottom surface in the protective cover
It is fixedly installed motor, the output shaft of the motor through corner brace and upwardly extends, and the output shaft top of the motor is fixed with
Shaft coupling, the shaft coupling other end are installed with a connecting rod, and the connecting rod top is fixedly installed magnet rotatable platform, institute
It states and is installed with multiple permanent magnets in the groove of magnet rotatable platform top surface;
It is provided with Dewar rotating mechanism above the protective cover, the Dewar rotating mechanism includes Dewar shell, it is described to be fixed on
The Dewar rotatable platform of Dewar housing tip and the superconduction block material for being set to the Dewar enclosure interior.
As the further explanation of the present invention, the permanent magnet arranges in such a way that the poles N and S are extremely staggered.
As the further explanation of the present invention, the protective cover is made of polytetrafluoroethylene material.
As the further explanation of the present invention, the protective cover bottom surface is provided with Waterproof connector of cable.
As the further explanation of the present invention, groove body is provided on the protection cover outer wall.
A kind of high-temperature superconductor non-contact transmission mechanism, including protective cover are fixed with corner brace, the corner brace in the protective cover
Bottom surface is fixedly installed motor, and the output shaft of the motor through corner brace and upwardly extends, and the output shaft top of the motor is solid
There are shaft coupling, the shaft coupling other end to be installed with a connecting rod, it is flat that the connecting rod top is fixedly installed Dewar rotation surely
Platform, Dewar rotatable platform top surface are fixedly installed Dewar shell, superconduction block material are provided in the Dewar shell;
It is provided with magnet rotatable platform above the protective cover, is installed in the groove of magnet rotatable platform bottom surface more
A permanent magnet.
As the further explanation of the present invention, the permanent magnet arranges in such a way that the poles N and S are extremely staggered.
As the further explanation of the present invention, the protective cover is made of polytetrafluoroethylene material.
As the further explanation of the present invention, the protective cover bottom surface is provided with Waterproof connector of cable.
As the further explanation of the present invention, groove body is provided on the protection cover outer wall.
Compared with prior art, what the present invention obtained has the beneficial effect that:
1, the present invention passes through the battle array of square shaped permanent magnet using the distinctive flux pinning force between high-temperature superconductor and permanent magnet
Row design, realizes stabilization contactless transmission of the motor to workpiece;Flux pinning force be compared to traditional permanent magnet it
Between magnetic force, have stability high, be a kind of passive stable suspersion the characteristics of being automatically controlled without the external world.
2, closed protective cover can be such that motor working space is isolated with external environment, therefore motor part is operable with nothing and makes an uproar
The spaces such as sound, dustless can also work in the harsh environments such as etchant gas, liquid.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Description of the drawings
Fig. 1 is the non-contact transmission mechanism structural schematic diagram of embodiment 1.
Fig. 2 is the non-contact transmission mechanism structural schematic diagram of embodiment 2.
In figure:1, protective cover;2, corner brace;3, motor;4, shaft coupling;5, connecting rod;6, magnet rotatable platform;7, permanent magnet;
8, Dewar shell;9, Dewar rotatable platform;10, superconduction block material;11, Waterproof connector of cable;12, groove body.
Specific implementation mode
Reach the technological means and effect that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to specific implementation mode, structure feature and its effect of the present invention, detailed description are as follows.
In the description of the invention, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies to describe, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For the limitation to the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be removable for example, it may be being fixedly connected
Connection is unloaded, or is integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
The appearance of super-conductive magnetic suspension technology is so that stable Non-touch Transmission Technology is achieved.Super-conductive magnetic suspension is mainly
It is realized and is suspended using low temperature superconducting material and high temperature superconducting materia, low-temperature superconducting technology is generated strong using the circulation in superconducting magnet
Big magnetic field, and and interreaction, generation is a kind of to suspend to buoyancy to realize.High-temperature superconducting magnetic levitation is then one
Using 10 flux pinning properties of high-temperature superconducting block, the technology of stable suspersion is can be achieved with without active control, its foundation
Non-fully diamagnetism of the RE, Ba and Cu oxide series of high temperature superconduction block material 10 in superconducting state may be implemented passive steady in magnetic field
Fixed to suspend, this passive stabilization flux pinning properties make it have prodigious application prospect in terms of Non-touch Transmission Technology.
Contactless transmission is since there is no tradition machinery connecting shaft simultaneously so that 3 part of motor may be implemented to seal, and will not both give work
Environment brings pollution into, while being affected by the external environment and small, therefore may operate in some and require in harsh environment, such as nothing
Bacterium, dustfree environment or humidity, the environment such as be corrosive.
Embodiment 1:
The problems such as to solve friction present in mechanical transmission course existing in the prior art, loss, fever and existing
The problems such as magnetic force present in 7 Non-touch Transmission Technology of permanent magnet is unstable, bearing is easy to wear by lateral force, the present embodiment provides
A kind of high-temperature superconductor non-contact transmission mechanism, as shown in Figure 1, including protective cover 1, which is cylindrical shape, is led using non-
Magnetic, non-conductive, high temperature resistant, low temperature resistant, with excellent chemical stability and corrosion resistance polytetrafluoroethylene material are made, protection
The only lower ending opening of cover 1, for being packed into motor 3, upper end keeps its smooth by turnery processing, upper end plate magnet array slewing area
Interior plate thickness is about 2mm, and the thickness of 1 side of protective cover is 10mm, and 1 lower end face thickness of protective cover is 10mm, lower end board
It offers circular hole at center to pass through for conducting wire, Circularhole diameter 6mm, tapping is equipped with Waterproof connector of cable 11.
Corner brace 2 is fixed in above-mentioned protective cover 1,2 bottom surface of corner brace is provided with the connector for fixing motor 3,2 side of corner brace
Connector for being connect with 1 fixed beam of protective cover is set on wall, bolt is inserted into the connector, with fixed corner code 2, motor 3
And protective cover 1;The output shaft of motor 3 is through corner brace 2 and upwardly extends, and the output shaft top of motor 3 is fixed with shaft coupling 4,
4 other end of shaft coupling is installed with a connecting rod 5, and 5 top of connecting rod is fixedly installed magnet rotatable platform 6, magnet rotatable platform 6
Multiple permanent magnets 7 are installed in the groove of top surface;7 length of side of permanent magnet is 10mm, with the poles N and the extremely staggered sides of S
Formula arrange, then magnet array is embedded into the groove of magnet rotatable platform 6, be used in combination magnet glue special to magnet array into
Row is fixed, and the magnet arrangement mode and quantity are changed all in accordance with the size and shape of superconduction block material 10.
When installation, the distance of 1 top panel of magnet array upper surface distance protection cover can lead to or shaft coupling 4 be vertically connected with place into
Row adjustment, adjusts upper and lower position, and by adjusting making the distance of 1 top panel of magnet upper surface distance protection cover be 1-2mm, distance is adjusted
It is whole it is good after, corner brace 2 connect with protective cover 1 with bolt and fixation, the place of being bolted is sealed with fluid sealant;In protective cover
It is arranged a sealing ring in 1 lower end board, and is fixed and makes 1 integral sealing of protective cover, the power cord of lower end board is gone out later
It is sealed with fluid sealant at mouthful.
1 top of above-mentioned protective cover is provided with Dewar rotating mechanism, and Dewar rotating mechanism includes Dewar shell 8, is fixed on Du
The Dewar rotatable platform 9 on watt 8 top of shell and the superconduction block material 10 being set to inside Dewar shell 8.Superconduction block material 10 is placed
It is fixed in the inside of Dewar shell 8 and with Low-temperature epoxy resin glue, the form that the cooling procedure of superconduction block material 10 must use field cold,
Will first it be placed with the Dewar rotating mechanism of superconduction block material 10 at certain intervals(3-4mm)It is positioned over 1 upper center position of protective cover,
Interval can use the epoxy plate sheet support of non-magnetic material, and liquid nitrogen is added later makes superconductor integrally be cooled to liquid nitrogen temperature;
Workpiece is fastened on to the upper end of Dewar rotatable platform 9, removes support chip, connects 3 power supply of motor, you can is realized to work
Make the contactless stable drive of component.Motor 3 and magnet rotatable platform 6 are positioned in the protective cover 1 of sealing, therefore both can be with work
Make with the spaces such as noiseless, dustless, be also operable in the harsh environments such as etchant gas, liquid.
Embodiment 2:
The present embodiment provides a kind of high-temperature superconductor non-contact transmission mechanisms, as shown in Fig. 2, including protective cover 1, which is
Cylindrical shape, use is non-magnetic, non-conductive, high temperature resistant, low temperature resistant, with excellent chemical stability and corrosion resistance polytetrafluoroethyl-ne
Alkene material is made, the only lower ending opening of protective cover 1, and for being packed into motor 3, upper end keeps its smooth by turnery processing, upper end plate
Plate thickness in magnet array slewing area is about 2mm, and the thickness of 1 side of protective cover is 10mm, 1 lower end face thickness of protective cover
Circular hole is offered for 10mm, at lower end board center to pass through for conducting wire, Circularhole diameter 6mm, tapping connects equipped with cable waterproof
First 11.
Corner brace 2 is fixed in above-mentioned protective cover 1,2 bottom surface of corner brace is fixedly installed motor 3, and the output shaft of motor 3 runs through angle
Code 2 simultaneously upwardly extends, and the output shaft top of motor 3 is fixed with shaft coupling 4, and 4 other end of shaft coupling is installed with a connecting rod 5,
5 top of connecting rod is fixedly installed Dewar rotatable platform 9, and 9 top surface of Dewar rotatable platform is fixedly installed Dewar shell 8, Dewar shell
Superconduction block material 10 is provided in body 8.
When installation, conducting wire is made to pass through the circular hole among 1 lower end board of protective cover before 3 connecting wire of motor, with convenient
Subsequent assembling;Superconduction block material 10 is positioned over inside Dewar shell 8, and Low-temperature epoxy resin glue is used in combination to fix, superconduction block material 10
The form that cooling procedure must use field cold, i.e., will first be placed with the Dewar rotating mechanism of superconduction block material 10 at certain intervals(3-
4mm)It is positioned over 1 upper center position of protective cover, interval can use the epoxy plate sheet support of non-magnetic material, liquid is added later
Nitrogen makes superconductor integrally be cooled to liquid nitrogen temperature.
The distance for adjusting 1 top panel of upper surface distance protection cover of Dewar rotatable platform 9 is 1-2mm, regulative mode and reality
It is identical to apply example 1, after adjusting, with bolt fixed corner code 2, protective cover 1 and motor 3, and makes same as Example 1
Seal approach.
1 top of protective cover is provided with magnet rotatable platform 6, is installed in the groove of 6 bottom surface of magnet rotatable platform more
A permanent magnet 7.7 length of side of permanent magnet is 10mm, arranges in such a way that the poles N and S are extremely staggered, is then embedded in magnet array
Into the groove of magnet rotatable platform 6, magnet glue special be used in combination that magnet array is fixed, the magnet arrangement mode and
Quantity is changed all in accordance with the size and shape of superconduction block material 10.
Workpiece is fastened on 6 top surface of magnet rotatable platform, magnet rotatable platform 6 is positioned over protective cover 1
Top, you can stable suspersion;Connect 3 power supply of motor, you can realize the contactless stable drive to workpiece.
Embodiment 3:
On the basis of embodiment 1 or 2, groove body 12 for fixing, convenient and extraneous fixed component are carved on 1 outer wall of protective cover
Connection, and can select any angle to go to fix according to demand, to realize the transmission that suspends, suspension transmission and at any angle
Transmission.Connection between other component and component is identical as embodiment 1 or 2.
Embodiment 4:
On the basis of embodiment 2,6 upper end of magnet rotatable platform can connect the impeller of stirring, can use sealed container interior
Stirring operation, mixing position can be with 3 parts of external motor(The component of sealed container outside, i.e. protective cover 1 are whole)Shifting
It moves and moves, the connection relation between other component and component is same as Example 2.
Corner brace 2 uses stainless steel, magnet rotatable platform 6 to use aluminum alloy material, rectangular permanent magnetism in above-described embodiment
Body 7 uses the high-strength neodymium iron boron of 10 mm of the length of side(NdFeB)Permanent magnet 7, Surface field intensity can reach 0.55 T or more, magnetic
The pole orientation of body is upward, and arrangement mode is staggered using the poles the N poles S, to generate larger magnetic field gradient, to improve magnetic flux
Pining force;Superconduction block material 10 is the non-ideal type superconductor of the second class, the rare earth barium copper for specially using top seed crystal infiltration method to prepare
Oxygen(REBCO)Serial superconduction block material 10, such as yttrium barium copper oxide(YBCO), Gd-Ba-Cu-O(GdBCO), samarium barium copper oxygen(SmBCO), diameter
For 32 mm, thickness is 12 mm, and the magnetic field intensity on its surface ensure that it between permanent magnet 7 up to 1.2 T or more after magnetizing
Possess stronger flux pinning force;Dewar shell 8 should be thin as possible, to improve magnetic suspension effect;Above-mentioned support chip Cao Yong epoxy plates
Material, thickness are 1mm and 2mm, a diameter of 30mm.
For further, non-contact transmission mechanism of the invention can also only be used as a gear unit, while by more
A apparatus of the present invention form a big transmission system, to one larger workpiece of contactless suspension or suspension.When installation
A larger motor 3 can be used, the driving turntable of bigger is realized by introducing multiple 7 floating units of superconductor permanent magnet.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of high-temperature superconductor non-contact transmission mechanism, including protective cover(1), it is characterised in that:The protective cover(1)Interior fixation
There is corner brace(2), the corner brace(2)Bottom surface is fixedly installed motor(3), the motor(3)Output shaft run through corner brace(2)And to
Upper extension, the motor(3)Output shaft top be fixed with shaft coupling(4), the shaft coupling(4)The other end is installed with one
Connecting rod(5), the connecting rod(5)Top is fixedly installed magnet rotatable platform(6), the magnet rotatable platform(6)Top surface it is recessed
Multiple permanent magnets are installed in slot(7);
The protective cover(1)Top is provided with Dewar rotating mechanism, and the Dewar rotating mechanism includes Dewar shell(8), it is fixed
In the Dewar shell(8)The Dewar rotatable platform on top(9)And it is set to the Dewar shell(8)Internal superconducting block
Material(10).
2. transmission device according to claim 1, it is characterised in that:The permanent magnet(7)It is staggered with the poles N and the poles S
Mode arrange.
3. transmission device according to claim 1, it is characterised in that:The protective cover(1)Using polytetrafluoroethylene material
It is made.
4. transmission device according to claim 1, it is characterised in that:The protective cover(1)Bottom surface is provided with cable waterproof
Connector(11).
5. transmission device according to claim 1, it is characterised in that:The protective cover(1)Groove body is provided on outer wall
(12).
6. a kind of high-temperature superconductor non-contact transmission mechanism, including protective cover(1), it is characterised in that:The protective cover(1)Interior fixation
There is corner brace(2), the corner brace(2)Bottom surface is fixedly installed motor(3), the motor(3)Output shaft run through corner brace(2)And to
Upper extension, the motor(3)Output shaft top be fixed with shaft coupling(4), the shaft coupling(4)The other end is installed with one
Connecting rod(5), the connecting rod(5)Top is fixedly installed Dewar rotatable platform(9), the Dewar rotatable platform(9)Top surface is fixed
It is provided with Dewar shell(8), the Dewar shell(8)Inside it is provided with superconduction block material(10);
The protective cover(1)Top is provided with magnet rotatable platform(6), the magnet rotatable platform(6)It is solid in the groove of bottom surface
Dingan County is equipped with multiple permanent magnets(7).
7. transmission device according to claim 6, it is characterised in that:The permanent magnet(7)It is staggered with the poles N and the poles S
Mode arrange.
8. transmission device according to claim 6, it is characterised in that:The protective cover(1)Using polytetrafluoroethylene material
It is made.
9. transmission device according to claim 6, it is characterised in that:The protective cover(1)Bottom surface is provided with cable waterproof
Connector(11).
10. transmission device according to claim 6, it is characterised in that:The protective cover(1)Groove body is provided on outer wall
(12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810480135.0A CN108696095B (en) | 2018-05-18 | 2018-05-18 | A kind of high-temperature superconductor non-contact transmission mechanism |
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|---|---|---|---|
| CN201810480135.0A CN108696095B (en) | 2018-05-18 | 2018-05-18 | A kind of high-temperature superconductor non-contact transmission mechanism |
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| CN108696095B CN108696095B (en) | 2019-08-16 |
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| CN109192022A (en) * | 2018-11-08 | 2019-01-11 | 邰奕雯 | A kind of magnetic suspended guide for the high school physics verifying law of conservation of momentum |
| CN109560684A (en) * | 2019-01-24 | 2019-04-02 | 青岛博迈得海洋智能科技有限公司 | Magnetic drive device and underwater non-maintaining camera system |
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| CN112421930A (en) * | 2020-06-15 | 2021-02-26 | 苏州小男孩智能科技有限公司 | Non-contact transmission mechanism for extreme non-structural environment |
| CN113014063A (en) * | 2021-02-26 | 2021-06-22 | 河南理工大学 | Output-adjustable low-temperature Dewar driven by superconductivity-permanent magnet |
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| Publication number | Publication date |
|---|---|
| CN108696095B (en) | 2019-08-16 |
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