CN107681869A - Shaft coupling - Google Patents
Shaft coupling Download PDFInfo
- Publication number
- CN107681869A CN107681869A CN201711052966.XA CN201711052966A CN107681869A CN 107681869 A CN107681869 A CN 107681869A CN 201711052966 A CN201711052966 A CN 201711052966A CN 107681869 A CN107681869 A CN 107681869A
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- China
- Prior art keywords
- magnetic conductive
- conductive disk
- magnet
- sleeve
- disk
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
Abstract
The invention provides a kind of shaft coupling, is related to mechanically operated technical field, and the shaft coupling includes input shaft and output shaft, is installed with the first magnetic conductive disk on input shaft, the second magnetic conductive disk is arranged with output shaft.Second magnetic conductive disk is affixed by connection component and the first magnetic conductive disk, and the second magnetic conductive disk can be with respect to output shaft rotation.The middle magnetic conductive disk affixed with output shaft is provided between first magnetic conductive disk and the second magnetic conductive disk.One end of first magnetic conductive disk and the second magnetic conductive disk face is arranged at intervals with multiple first magnets and multiple second magnets.One end of second magnetic conductive disk and the first magnetic conductive disk face is installed with multiple 3rd magnets and multiple 4th magnets.Multiple lug bosses are provided with the end face of middle magnetic conductive disk.The circumference face where circumference and the first magnet and the second magnet where each lug boss, middle magnetic conductive disk is relative to during the first magnetic conductive disk rotates, magnetic induction line that lug boss can be between the first magnetic conductive disk and the second magnetic conductive disk.The shaft coupling is used for machine driving.
Description
Technical field
The present invention relates to technical field of mechanical transmission, more particularly, to a kind of shaft coupling.
Background technology
Shaft coupling is that a kind of more universal part is applied in mechanical field, is mainly used to couple two in different institutions
Axle (i.e. drive shaft and bearing axle), so that the two can rotate to transmit moment of torsion jointly.In the mechanical transmission course of high-speed overload
In, shaft coupling can play an important role in protection power set etc..
Traditional mechanical coupling generally includes with the part of driving axis connection and the part with loading axis connection, and two
Directly contacted between part, can produce larger frictional force during moment of torsion is transmitted, easily cause the damage of shaft coupling.For
Solves this problem, mouse-cage type magnetic shaft coupling initially enters the visual field of people, but existing mouse-cage type magnetic shaft coupling
Inductiopn rotor uses cage rotor, sliver cutting magnetic induction line to be generated heat after producing electric current, easily causes bar failure, or even meeting
Influence the overall performance of shaft coupling.
Therefore, it is highly desirable to design a kind of new shaft coupling to improve after mouse-cage type magnetic shaft coupling sliver produces electric current
Heating, is easily broken, or even can influence the technical problem of shaft coupling overall performance.
The content of the invention
It is an object of the invention to provide a kind of shaft coupling, to alleviate mouse-cage type magnetic shaft coupling present in prior art
Sliver generates heat after producing electric current, is easily broken, or even can influence the technical problem of shaft coupling overall performance.
Shaft coupling provided by the invention includes the input shaft being connected with drive device and the output shaft with load connection, described
The axis of the axis of input shaft and the output shaft is located along the same line；The first magnetic conduction is fixedly connected with the input shaft
Disk, the second magnetic conductive disk with the first magnetic conductive disk face is arranged with the output shaft；Second magnetic conductive disk passes through connection
Component is fixedly connected with first magnetic conductive disk, and relatively described output shaft can be turned under the drive of first magnetic conductive disk
It is dynamic；The middle magnetic conductive disk being fixedly connected with the output shaft is provided between first magnetic conductive disk and second magnetic conductive disk,
Gap is left between first magnetic conductive disk and second magnetic conductive disk and the middle magnetic conductive disk；
First magnetic conductive disk and one end of the second magnetic conductive disk face are installed with multiple first magnets and multiple second
Magnet, first magnet and second magnet are arranged alternately on same circumference, and adjacent first magnet and institute
State the second magnet interval setting；Each one end of first magnet away from first magnetic conductive disk is the arctic, each second magnetic
The one end of body away from first magnetic conductive disk is the South Pole；Second magnetic conductive disk and one end of the first magnetic conductive disk face are fixed
There are multiple 3rd magnets and multiple 4th magnets, the 3rd magnet and the 4th magnet are arranged alternately on same circumference,
And adjacent the 3rd magnet and the 4th magnet are arranged at intervals；Each 3rd magnet is away from second magnetic conductive disk
One end is the South Pole, and each described one end of 4th magnet away from second magnetic conductive disk is the arctic；The end face of the middle magnetic conductive disk
On be provided with multiple lug bosses, multiple lug bosses are in same circumferentially spaced about setting；
First magnet and the corresponding 3rd magnet face, second magnet and corresponding 4th magnet
Face；Circumference face of the circumference where with first magnet and second magnet where each lug boss, in described
Between magnetic conductive disk relative to during first magnetic conductive disk and second magnetic conductive disk rotate, the lug boss can be cut correspondingly
First magnet and corresponding 3rd magnet between magnetic induction line or corresponding second magnet with it is corresponding
Magnetic induction line between 4th magnet.
Further, the lug boss includes being arranged at the middle magnetic conductive disk close to one end of first magnetic conductive disk
First lug boss and it is arranged at second lug boss of the middle magnetic conductive disk close to one end of second magnetic conductive disk, each described the
One lug boss and the corresponding second lug boss face.
Further, the center of circle and first magnetic of the axis of the output shaft by the circumference where the lug boss
The center of circle of circumference where body and second magnet.
Further, the middle magnetic conductive disk and the lug boss are formed by silicon steel sheet compacting.
Further, each first magnet and the distance between adjacent second magnet are equal, and each described
Three magnets and the distance between adjacent the 4th magnet are also equal；
The lug boss is uniform on the corresponding circumference.
Further, the connection component includes being fixedly arranged on first magnetic conductive disk the first sleeve, be fixedly arranged on it is described
Second sleeve and screw bolt and nut on second magnetic conductive disk；It is provided with first magnetic conductive disk and the first sleeve face
First through hole, be provided with the second through hole with the second sleeve face on second magnetic conductive disk, first sleeve with
The second sleeve face simultaneously abuts；
The bolt through the first through hole, first sleeve, the second sleeve and second through hole with
The corresponding nut connection, the relative position of fixed first magnetic conductive disk and second magnetic conductive disk.
Further, the connection component includes being fixedly arranged on first magnetic conductive disk the first sleeve, be fixedly arranged on it is described
Second sleeve and screw bolt and nut on second magnetic conductive disk；It is provided with first magnetic conductive disk and the first sleeve face
First through hole, be provided with the second through hole with the second sleeve face on second magnetic conductive disk, first sleeve with
The second sleeve face；
At least one pad is provided between first sleeve and the second sleeve, the bolt passes through described first
Through hole, first sleeve, the pad, the second sleeve and second through hole connect with the corresponding nut,
The relative position of fixed first magnetic conductive disk and second magnetic conductive disk.
Further, the shape of cross section of the shape of cross section of first magnetic conductive disk and second magnetic conductive disk is circle
Shape, first sleeve are along uniform three of the circumferencial direction of first magnetic conductive disk, and the second sleeve is along described the
Uniform three of the circumferencial directions of two magnetic conductive disks, each first sleeve corresponds with each second sleeve.
Further, second magnetic conductive disk is arranged on the output shaft by bearing.
Further, first magnet, second magnet, the 3rd magnet and the 4th magnet are four
Individual, the lug boss is six.
Shaft coupling provided by the invention having the beneficial effect that compared with prior art：
Shaft coupling provided by the invention includes the input shaft that be connected with drive device and the output shaft connected with load, and first
Magnetic conductive disk is fixedly connected on input shaft, and the second magnetic conductive disk is sheathed on output shaft, the first magnet on the first magnetic conductive disk and
3rd magnet face corresponding on two magnetic conductive disks, the second magnet the 4th magnetic corresponding with the second magnetic conductive disk on the first magnetic conductive disk
Body face.The middle magnetic conductive disk being fixedly connected with output shaft, middle magnetic conduction are provided between first magnetic conductive disk and the second magnetic conductive disk
Air gap be present between disk and the first magnetic conductive disk and the second magnetic conductive disk, when the boss on middle magnetic conductive disk is in corresponding first
When magnet is with the magnetic field that the 3rd magnet the is formed or magnetic field of corresponding second magnet and the formation of the 4th magnet, air gap is most
Small, magnetic resistance is also minimum；When the magnetic that the depressed area between adjacent two lug boss is formed in corresponding first magnet and the 3rd magnet
When in the or magnetic field of corresponding second magnet and the formation of the 4th magnet, air gap is maximum, and magnetic resistance is also maximum.
When shaft coupling is static, boss in corresponding first magnet with it is in the magnetic field that the 3rd magnet is formed or corresponding
In the magnetic field that second magnet and the 4th magnet are formed, now, air gap is minimum, and magnetic resistance is also minimum；When the first magnetic conductive disk and second are led
Disk under the drive of drive device relatively among magnetic conductive disk when rotating, then air gap increases, and magnetic resistance also increases, according to magnetic resistance
Minimum principle, middle magnetic conductive disk then can concomitant rotation, and then then can pass through output shaft band dynamic load rotate.
Shaft coupling provided by the invention, what is utilized is magnetic resistance minimum principle, and sliver is not present, thus sliver less be present
Heating or the possibility of fracture, solve after mouse-cage type magnetic shaft coupling sliver present in prior art produces electric current and send out
Heat, easily it is broken, or even the technical problem of shaft coupling overall performance can be influenceed.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram of shaft coupling provided in an embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of another angle of shaft coupling provided in an embodiment of the present invention；
Fig. 3 is the structure of the first magnetic conductive disk and the first magnet, second magnet etc. in shaft coupling provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is the structural representation of middle magnetic conductive disk in shaft coupling provided in an embodiment of the present invention.
Icon：1- input shafts；2- output shafts；The magnetic conductive disks of 3- first；The magnetic conductive disks of 4- second；5- connection components；6-
Middle magnetic conductive disk；The magnets of 31- first；The magnets of 32- second；The magnets of 41- the 3rd；The magnets of 42- the 4th；The sleeves of 51- first；
52- second sleeves；61- lug bosses；The lug bosses of 611- first；The lug bosses of 612- second.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As depicted in figs. 1 and 2, the shaft coupling that the present embodiment provides includes the input shaft 1 being connected with drive device and with bearing
The output shaft 2 of connection is carried, the axis of the axis and output shaft 2 of input shaft 1 is located along the same line.It is fixedly connected on input shaft 1
There is the first magnetic conductive disk 3, the second magnetic conductive disk 4 with the face of the first magnetic conductive disk 3 is arranged with output shaft 2.Second magnetic conductive disk 4 passes through company
Connected components 5 are fixedly connected with the first magnetic conductive disk 3, and can be rotated under the drive of the first magnetic conductive disk 3 relative to output shaft 2.First
The middle magnetic conductive disk 6 being fixedly connected with output shaft 2, the first magnetic conductive disk 3 and are provided between magnetic conductive disk 3 and the second magnetic conductive disk 4
Gap is left between two magnetic conductive disks 4 and middle magnetic conductive disk 6.
One end of first magnetic conductive disk 3 and the face of the second magnetic conductive disk 4 is installed with multiple first magnets 31 and multiple second magnets
32, the first magnet 31 and the second magnet 32 are arranged alternately on same circumference, and adjacent the first magnet 31 and the second magnet 32
It is arranged at intervals.The one end of each first magnet 31 away from the first magnetic conductive disk 3 is the arctic (i.e. N poles), and each second magnet 32 is away from first
One end of magnetic conductive disk 3 is the South Pole (i.e. S poles).One end of second magnetic conductive disk 4 and the face of the first magnetic conductive disk 3 is installed with multiple 3rd magnetic
Body 41 and multiple 4th magnets 42, the 3rd magnet 41 and the 4th magnet 42 are arranged alternately on same circumference, and the adjacent the 3rd
The magnet 42 of magnet 41 and the 4th is arranged at intervals.Each one end of 3rd magnet 41 away from the second magnetic conductive disk 4 is the South Pole, each 4th magnet
42 one end away from the second magnetic conductive disk 4 are the arctic.Multiple lug bosses 61, multiple projections are provided with the end face of middle magnetic conductive disk 6
Portion 61 is in same circumferentially spaced about setting.
First magnet 31 and the corresponding face of 3rd magnet 41, the second magnet 32 and the corresponding face of 4th magnet 42.Respectively
The circumference face where circumference and the first magnet 31 and the second magnet 32 where lug boss 61, middle magnetic conductive disk 6 relative first
During the magnetic conductive disk 4 of magnetic conductive disk 3 and second rotates, lug boss 61 can cut corresponding first magnet 31 and the corresponding 3rd
The magnetic induction line between magnetic induction line or corresponding second magnet 32 and corresponding 4th magnet 42 between magnet 41.
The shaft coupling that the present embodiment provides includes the input shaft 1 being connected with drive device and the output shaft 2 with load connection,
First magnetic conductive disk 3 is fixedly connected on input shaft 1, and the second magnetic conductive disk 4 is sheathed on output shaft 2, and first on the first magnetic conductive disk 3
The face of the 3rd magnet 41 corresponding with the second magnetic conductive disk 4 of magnet 31, the second magnet 32 and the second magnetic conduction on the first magnetic conductive disk 3
The face of 4th magnet 42 corresponding on disk 4.It is provided between first magnetic conductive disk 3 and the second magnetic conductive disk 4 and is fixedly connected with output shaft 2
Middle magnetic conductive disk 6, air gap be present between the middle magnetic conductive disk 3 of magnetic conductive disk 6 and first and the second magnetic conductive disk 4, when middle magnetic conduction
Lug boss 61 on disk 6 is located in the magnetic field that corresponding first magnet 31 is formed with the 3rd magnet 41 or corresponding second magnet
32 and the 4th in the magnetic field that is formed of magnet 42 when, air gap is minimum, and magnetic resistance is also minimum；Depressed part between adjacent two lug boss 61
In the magnetic field that corresponding first magnet 31 is formed with the 3rd magnet 41 or the magnet 42 of corresponding second magnet 32 and the 4th
When in the magnetic field of formation, air gap is maximum, and magnetic resistance is also maximum.
When shaft coupling is static, lug boss 61 be located at corresponding first magnet 31 with the magnetic field of the 3rd magnet 41 formation or
In the magnetic field that the corresponding magnet 42 of second magnet 32 and the 4th is formed, now, air gap is minimum, and magnetic resistance is also minimum；When the first magnetic conduction
The magnetic conductive disk 4 of disk 3 and second under the drive of drive device relatively among magnetic conductive disk 6 when rotating, then air gap increases, magnetic resistance
Increase, according to magnetic resistance minimum principle, middle magnetic conductive disk 6 then can concomitant rotation, and then then can by output shaft 2 with dynamic load turn
It is dynamic.
The shaft coupling that the present embodiment provides, what is utilized is magnetic resistance minimum principle, and sliver is not present, thus less exists and lead
Bar generates heat or the possibility of fracture, solves after mouse-cage type magnetic shaft coupling sliver present in prior art produces electric current and sends out
Heat, easily it is broken, or even the technical problem of shaft coupling overall performance can be influenceed.In addition, the shaft coupling that the present embodiment provides
There is no any type of winding, therefore do not have in similar squirrel-cage shaft coupling manufacturing process and cast the problem of bad, shaft coupling
Mechanical strength is higher, can be used for ultrahigh speed operating (such as per minute up to ten thousand turns)；The starting torque of shaft coupling is big, therefore is needing
It is applicable very much in heavy-load start or the mechanical device of long period low-speed heave-load operation.The shaft coupling that the present embodiment provides also is applicable
In the transmission process of frequent start-stop and forward and reverse conversion operation.
Specifically, the second magnetic conductive disk 4 can be arranged on output shaft 2 by bearing.
The first magnetic conductive disk 3 is fixedly connected with input shaft 1, specifically, can be that the first magnetic conductive disk 3 is fixedly installed on input
Close to one end of the second magnetic conductive disk 4 on axle 1.The structure of first magnetic conductive disk 3 and the first magnet 31, the second magnet 32 etc. can be such as figure
Shown in 3.
First magnet 31, the second magnet 32, the 3rd magnet 41 and the 4th magnet 42 can be permanent magnet, due to rare earth
The magnetic property of permanent-magnet material is excellent, and it no longer needs external energy just can establish very strong permanent-magnetic field after magnetizing, and is used for
Magnetic shaft coupling not only efficiency high, and simple in construction, reliable made of traditional electrical excitation place is substituted, can also be accomplished
It is small volume, in light weight, it can reach the incomparable high-performance of traditional electrical excitation shaft coupling.
Can be the first magnet of face 31 of the first magnet 31 on first magnetic conductive disk 3, the face of the second magnet 32 carries for the second time, the
Can be the magnet 41 of 41 face of the 3rd magnet the 3rd on two magnetic conductive disks 4, the magnet 42 of 42 face of the 4th magnet the 4th.
Relative to during the first magnetic conductive disk 3 and the second magnetic conductive disk 4 rotate, lug boss 61 can be cut middle magnetic conductive disk 6
Magnetic induction line or corresponding second magnet 32 and corresponding between corresponding first magnet 31 and corresponding 3rd magnet 41
Magnetic induction line between four magnets 42, i.e. middle magnetic conductive disk 6 relative to during the first magnetic conductive disk 3 and the second magnetic conductive disk 4 rotate,
Lug boss 61 can pass through corresponding magnetic field between first magnet 31 and corresponding 3rd magnet 41 or corresponding second magnetic
Magnetic field between body 32 and corresponding 4th magnet 42.
As shown in Figure 1, Figure 2 and shown in Fig. 4, in the present embodiment, lug boss 61 can be close including being arranged at middle magnetic conductive disk 6
First lug boss 611 of one end of the first magnetic conductive disk 3 and middle magnetic conductive disk 6 is arranged at close to the of one end of the second magnetic conductive disk 4
Two lug bosses 612, each first lug boss 611 and the corresponding face of second lug boss 612.
In the present embodiment, the axis of output shaft 2 can pass through the center of circle and the first magnet of the circumference at the place of lug boss 61
31 and the second magnet 32 where circumference the center of circle.
The center of circle and first magnet 31 and second magnet 32 institute of the axis of output shaft 2 by the circumference where lug boss 61
Circumference the center of circle, be more beneficial for the stable drive of shaft coupling.
In the present embodiment, middle magnetic conductive disk 6 and lug boss 61 can be suppressed by silicon steel sheet and formed.
Middle magnetic conductive disk 6 and lug boss 61 are formed by silicon steel sheet compacting, make the magnetic conduction effect of middle magnetic conductive disk 6 more preferable, have
Beneficial to the possibility for reducing generation vortex.
In the present embodiment, the distance between each first magnet 31 and second adjacent magnet 32 can be equal, and each 3rd
Magnet 41 and the distance between the 4th adjacent magnet 42 are also equal.Lug boss 61 is uniform on corresponding circumference.
Each first magnet 31 and the distance between the second adjacent magnet 32 are equal, each 3rd magnet 41 and adjacent the
The distance between four magnets 42 are also equal, while lug boss 61 is uniform on corresponding circumference, are advantageous to the stabilization of shaft coupling
Transmission.
Each first magnet 31 and the distance between the second adjacent magnet 32 are equal, i.e., multiple first magnets 31 and multiple
Second magnet 32 is arranged alternately on same circumference, and the spacing between two neighboring magnet is equal；Similarly, each 3rd magnet 41
The distance between the 4th adjacent magnet 42 is equal, i.e., multiple 3rd magnets 41 and multiple 4th magnets 42 are in same circumference
On be arranged alternately, and the spacing between two neighboring magnet is equal.
As shown in figure 1, in the present embodiment, connection component 5 can include bolt, nut, be fixedly arranged on the first magnetic conductive disk 3
First sleeve 51 and the second sleeve 52 being fixedly arranged on the second magnetic conductive disk 4.It is provided with first magnetic conductive disk 3 and the first sleeve 51
The first through hole of face, the second through hole with the face of second sleeve 52, the first sleeve 51 and second are provided with the second magnetic conductive disk 4
The face of sleeve 52 simultaneously abuts.Bolt passes through first through hole, the first sleeve 51, the through hole of second sleeve 52 and second and corresponding spiral shell
Mother's connection, fix the relative position of the first magnetic conductive disk 3 and the second magnetic conductive disk 4.
The arctic of first magnet 31 and the South Pole face of the 3rd magnet 41, the South Pole and the 4th magnet 42 of the second magnet 32
Arctic face, synonyms pole are attracted each other, and the first magnetic conductive disk 3 and can be then limited by the first sleeve 51 and second sleeve 52
The spacing of two magnetic conductive disks 4, makes corresponding magnetic pole to be drawn together, and can finally lock first by screw bolt and nut leads
The relative position of the magnetic conductive disk 4 of disk 3 and second.It is the connection and fixation that can realize shaft coupling by several parts, structure is simple
It is single, and cost is also than relatively low.
Specifically, the first sleeve 51 can eccentric setting, second sleeve 52 can be in the second magnetic conductions on the first magnetic conductive disk 3
Eccentric setting on disk 4.
Alternatively, connection component 5 can also include being fixedly arranged on the first sleeve 51 on the first magnetic conductive disk 3,
The second sleeve 52 and screw bolt and nut being fixedly arranged on the second magnetic conductive disk 4.It is provided with first magnetic conductive disk 3 and the first sleeve 51
The first through hole of face, the second through hole with the face of second sleeve 52, the first sleeve 51 and second are provided with the second magnetic conductive disk 4
The face of sleeve 52.At least one pad is provided between first sleeve 51 and second sleeve 52, bolt passes through first through hole, first
Sleeve 51, pad, the through hole of second sleeve 52 and second connect with corresponding nut, fix the first magnetic conductive disk 3 and the second magnetic conduction
The relative position of disk 4.
Pad is set between the first sleeve 51 and second sleeve 52, by the quantity of adjust pad or can be changed not
The pad of stack pile changes the gap between the first magnetic conductive disk 3 and the second magnetic conductive disk 4 and middle magnetic conductive disk 6, and then can change
The size of variable reluctance, change the speed ratio of input shaft 1 and output shaft 2, be not only advantageous to save, the connection for also providing the present embodiment
The wider model of use range of axle device.
In the present embodiment, the shape of cross section of the shape of cross section of the first magnetic conductive disk 3 and the second magnetic conductive disk 4 can be circle
Shape, the first sleeve 51 are three along the circumferencial direction of the first magnetic conductive disk 3 uniformly, and second sleeve 52 is along the second magnetic conductive disk 4
Uniform three of circumferencial direction, each first sleeve 51 corresponds with each second sleeve 52.
First sleeve 51 and second sleeve 52 correspond, be along three of corresponding circumference uniform distribution, make the first magnetic conductive disk 3 with
Connection between second magnetic conductive disk 4 is more reliable, and the transmission of shaft coupling is more reliable.
In the present embodiment, the first magnet 31, the second magnet 32, the 3rd magnet 41 and the 4th magnet 42 can be four
Individual, lug boss 61 can be six.
First magnet 31, the second magnet 32, the 3rd magnet 41 and the 4th magnet 42 are four, and lug boss 61 is six
Individual, not only simple in construction, cost is than relatively low, and rotation pulsation is smaller, and stability of rotation is also relatively good.
Alternatively, the first magnet 31, the second magnet 32, the 3rd magnet 41 and the 4th magnet be can also be
42 be six, and lug boss 61 is eight.
Shaft coupling efficiency high (can reach more than 90%) that the present embodiment provides, loss is small, heating is few, due in the absence of
High current, so performance is higher than other magnetic shaft couplings.In addition, the content of rare earth in China accounts for the 36% of the world, occupy first place in the world,
Raw material sources enrich, and make the shaft coupling cost that the present embodiment provides be advantageous to mass produce than relatively low.
The shaft coupling that the present embodiment provides can also substitute choke valve and frequency converter etc. under certain condition, can realize
Speed governing on demand is carried out to blower fan, water pump, controls its flow, and reach the effect of energy-conservation.And with other arrangements for speed regulation cost,
Performance and energy-conservation etc. carry out Comprehensive Correlation, and the shaft coupling has obvious advantage.The shaft coupling can apply to various needs
The occasion of speed governing is carried out to motor, the application field of the speed governing magnetic shaft coupling can be：Thermal power plant, waterworks etc..
Due to carrying out Flow-rate adjustment to blower fan, water pump at present, mostly using choke valve, cause the waste of mass energy, and
Mass energy can be then saved using the shaft coupling provided using the present embodiment.
In the prior art：(1) choke valve is directly to limit what fluid passed through by the size adjusted with control valve inner opening
Flow reaches the purpose of throttling.Due to being to force throttling of being obstructed, so larger pressure differential, controlled fluid can be produced before and after throttling
The pressure loss it is bigger, that is to say, that the pressure after throttling can reduce, and can not reach the effect of energy-conservation.
(2) liquid transmission
Transmission liquid is easily revealed, overheat, and it is inconvenient to safeguard.
(3) eddy-current coupling
Shaft coupling itself is less efficient, and heating is serious
(4) frequency converter
Cost is high, motor overheating when slowing down, and produces harmonic wave, produces shaft current, damage bearing, is vulnerable to lightning influence.
Above-mentioned technical problem can be alleviated or even be solved to the shaft coupling that the present embodiment provides to a certain extent.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. shaft coupling, it is characterised in that the output shaft including the input shaft (1) being connected with drive device and with load connection (2), the axis of the axis and the output shaft (2) of the input shaft (1) is located along the same line；It is solid on the input shaft (1) Surely the first magnetic conductive disk (3) is connected with, the second magnetic conduction with the first magnetic conductive disk (3) face is arranged with the output shaft (2) Disk (4)；Second magnetic conductive disk (4) is fixedly connected by connection component (5) with first magnetic conductive disk (3), and can be in institute State and rotated under the drive of the first magnetic conductive disk (3) relative to the output shaft (2)；First magnetic conductive disk (3) and second magnetic conduction It is provided with the middle magnetic conductive disk (6) being fixedly connected with the output shaft (2) between disk (4), first magnetic conductive disk (3) and described Gap is left between second magnetic conductive disk (4) and the middle magnetic conductive disk (6)；One end of first magnetic conductive disk (3) and the second magnetic conductive disk (4) face is installed with multiple first magnets (31) and more Individual second magnet (32), first magnet (31) and second magnet (32) are arranged alternately on same circumference, and adjacent First magnet (31) and second magnet (32) be arranged at intervals；Each first magnet (31) is led away from described first One end of disk (3) is the arctic, and the one end of each second magnet (32) away from first magnetic conductive disk (3) is the South Pole；It is described Second magnetic conductive disk (4) and one end of the first magnetic conductive disk (3) face are installed with multiple 3rd magnets (41) and multiple 4th magnetic Body (42), the 3rd magnet (41) and the 4th magnet (42) are arranged alternately on same circumference, and adjacent described Three magnets (41) and the 4th magnet (42) are arranged at intervals；Each 3rd magnet (41) is away from second magnetic conductive disk (4) One end be the South Pole, each 4th magnet (42) is the arctic away from one end of second magnetic conductive disk (4)；The middle magnetic conduction Multiple lug bosses (61) are provided with the end face of disk (6), multiple lug bosses (61) are in same circumferentially spaced about setting；First magnet (31) and corresponding 3rd magnet (41) face, second magnet (32) with it is corresponding described 4th magnet (42) face；Circumference and first magnet (31) and second magnet where each lug boss (61) (32) the circumference face where, relatively described first magnetic conductive disk (3) of the middle magnetic conductive disk (6) and second magnetic conductive disk (4) During rotation, the lug boss (61) can cut corresponding first magnet (31) and corresponding 3rd magnet (41) magnetic strength between magnetic induction line or corresponding second magnet (32) and corresponding 4th magnet (42) between Line.
- 2. shaft coupling according to claim 1, it is characterised in that the lug boss (61) is led including being arranged at the centre Disk (6) close to first magnetic conductive disk (3) one end the first lug boss (611) and be arranged at the middle magnetic conductive disk (6) The second lug boss (612) close to one end of second magnetic conductive disk (4), each first lug boss (611) and corresponding institute State the second lug boss (612) face.
- 3. shaft coupling according to claim 1, it is characterised in that the axis of the output shaft (2) passes through the lug boss (61) center of circle of the circumference where the center of circle of the circumference where and first magnet (31) and second magnet (32).
- 4. shaft coupling according to claim 1, it is characterised in that the middle magnetic conductive disk (6) and the lug boss (61) Formed by silicon steel sheet compacting.
- 5. according to the shaft coupling described in claim any one of 1-4, it is characterised in that each first magnet (31) with it is adjacent The distance between second magnet (32) it is equal, each 3rd magnet (41) and adjacent the 4th magnet (42) The distance between it is also equal；The lug boss (61) is uniform on the corresponding circumference.
- 6. according to the shaft coupling described in claim any one of 1-4, it is characterised in that the connection component (5) includes being fixedly arranged on The first sleeve (51) on first magnetic conductive disk (3), the second sleeve (52) being fixedly arranged on second magnetic conductive disk (4) and Screw bolt and nut；It is provided with the first through hole with the first sleeve (51) face on first magnetic conductive disk (3), described second The second through hole with the second sleeve (52) face, first sleeve (51) and described second are provided with magnetic conductive disk (4) Sleeve (52) face simultaneously abuts；The bolt leads to through the first through hole, first sleeve (51), the second sleeve (52) and described second Hole connects with the corresponding nut, the relative position of fixed first magnetic conductive disk (3) and second magnetic conductive disk (4).
- 7. according to the shaft coupling described in claim any one of 1-4, it is characterised in that the connection component (5) includes being fixedly arranged on The first sleeve (51) on first magnetic conductive disk (3), the second sleeve (52) being fixedly arranged on second magnetic conductive disk (4) and Screw bolt and nut；It is provided with the first through hole with the first sleeve (51) face on first magnetic conductive disk (3), described second The second through hole with the second sleeve (52) face, first sleeve (51) and described second are provided with magnetic conductive disk (4) Sleeve (52) face；At least one pad is provided between first sleeve (51) and the second sleeve (52), the bolt is described in First through hole, first sleeve (51), the pad, the second sleeve (52) and second through hole and corresponding institute State nut connection, the relative position of fixed first magnetic conductive disk (3) and second magnetic conductive disk (4).
- 8. shaft coupling according to claim 6, it is characterised in that the shape of cross section of first magnetic conductive disk (3) and institute The shape of cross section for stating the second magnetic conductive disk (4) is circle, and first sleeve (51) is the circle along first magnetic conductive disk (3) Uniform three of circumferential direction, the second sleeve (52) are along uniform three of the circumferencial direction of second magnetic conductive disk (4), respectively First sleeve (51) corresponds with each second sleeve (52).
- 9. according to the shaft coupling described in claim any one of 1-4, it is characterised in that second magnetic conductive disk (4) passes through bearing It is arranged on the output shaft (2).
- 10. according to the shaft coupling described in claim any one of 1-4, it is characterised in that first magnet (31), described Two magnets (32), the 3rd magnet (41) and the 4th magnet (42) are four, and the lug boss (61) is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052966.XA CN107681869A (en) | 2017-10-31 | 2017-10-31 | Shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052966.XA CN107681869A (en) | 2017-10-31 | 2017-10-31 | Shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107681869A true CN107681869A (en) | 2018-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052966.XA Pending CN107681869A (en) | 2017-10-31 | 2017-10-31 | Shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681869A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332634A (en) * | 2020-11-16 | 2021-02-05 | 合肥工业大学 | Permanent magnet disc type coupling torque limiting device |
| CN112366918A (en) * | 2020-11-16 | 2021-02-12 | 合肥工业大学 | Array electromagnetic permanent magnet hybrid speed regulation device |
| FR3102618A1 (en) * | 2019-10-23 | 2021-04-30 | Airbus Operations | Coupling of electric machine rotors |
| CN114069966A (en) * | 2021-11-05 | 2022-02-18 | 立马车业集团有限公司 | Hub motor with heat dissipation device |
| CN114261349A (en) * | 2021-12-27 | 2022-04-01 | 洛阳理工学院 | Heat-insulating chassis device for fire-fighting robot |
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| CN102969868A (en) * | 2012-11-13 | 2013-03-13 | 江苏大学 | Disc-shaped asynchronous magnetic coupling and speed adjustment method |
| CN103107681A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Cam type straight wing suspended magnetic eddy-current coupling |
| CN104370073A (en) * | 2014-11-25 | 2015-02-25 | 中国矿业大学 | Carrier roller sealed by magnetic liquid |
| CN104734456A (en) * | 2013-12-18 | 2015-06-24 | 麦远超 | Magnetic coupling |
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| US5855517A (en) * | 1995-07-27 | 1999-01-05 | Flex-Elektrowerkzeuge Gmbh | Releasable coupling for machine tools |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3102618A1 (en) * | 2019-10-23 | 2021-04-30 | Airbus Operations | Coupling of electric machine rotors |
| CN112332634A (en) * | 2020-11-16 | 2021-02-05 | 合肥工业大学 | Permanent magnet disc type coupling torque limiting device |
| CN112366918A (en) * | 2020-11-16 | 2021-02-12 | 合肥工业大学 | Array electromagnetic permanent magnet hybrid speed regulation device |
| CN112366918B (en) * | 2020-11-16 | 2022-03-18 | 合肥工业大学 | Array electromagnetic permanent magnet hybrid speed regulation device |
| CN114069966A (en) * | 2021-11-05 | 2022-02-18 | 立马车业集团有限公司 | Hub motor with heat dissipation device |
| CN114261349A (en) * | 2021-12-27 | 2022-04-01 | 洛阳理工学院 | Heat-insulating chassis device for fire-fighting robot |
| CN114261349B (en) * | 2021-12-27 | 2024-03-08 | 洛阳理工学院 | Heat insulation chassis device for fire-fighting robot |
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