CN106685181A - Vehicular permanent magnet eddy current flexible coupler - Google Patents
Vehicular permanent magnet eddy current flexible coupler Download PDFInfo
- Publication number
- CN106685181A CN106685181A CN201710157033.0A CN201710157033A CN106685181A CN 106685181 A CN106685181 A CN 106685181A CN 201710157033 A CN201710157033 A CN 201710157033A CN 106685181 A CN106685181 A CN 106685181A
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- CN
- China
- Prior art keywords
- supporting plate
- permanent magnet
- driving disc
- clutch
- plate
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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
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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
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention discloses a vehicular permanent magnet eddy current flexible coupler. The vehicular permanent magnet eddy current flexible coupler comprises a driving disc and a driven disc, wherein the driving disc comprises a first supporting plate and a second supporting plate which are fixed along the axial direction; the inner side of the first supporting plate is provided with a first cushion plate and/or the inner side of the second supporting plate is provided with a second cushion plate; the cushion plates are made of copper; the driven disc is coaxially and rotationally supported on the first supporting plate and the second supporting plate and is positioned in a gap between the supporting plates; the driven disc is provided with an even number of permanent magnets which are circumferentially distributed around the axis; the magnetic poles of the surfaces at the same sides of two adjacent permanent magnets are opposite; and the driving disc is used for receiving the rotating power of an engine, and the driven disc is connected with a load. The vehicular permanent magnet eddy current flexible coupler disclosed by the invention can generate high-intensity electric eddy current in low-speed difference, can transfer larger torque and has the advantages of no friction, low noise, free maintenance, flexible transmission, overload protection, isolation from the torsional vibration of the engine and prolonging of the service life of the engine and a transmission system and the like.
Description
Technical field
The invention belongs to shaft coupling technical field, more particularly to a kind of automobile permanent magnet vortex flexible clutch.
Background technology
Shaft coupling is two axles (driving shaft and driven shaft) in coupling different institutions, so as to be allowed to common rotation with
The machine components of transmitting torque.Shaft coupling is used to play a part of transmitting torque.In the power transmission of high-speed overload, some connection
Axle device also has buffering, vibration damping and improves the effect of shafting dynamic property.Shaft coupling is made up of two half parts, respectively with driving shaft and
Driven shaft couples.General engine major part is all connected by means of shaft coupling with working machine, is the transmission of engineering goods shafting
The most frequently used connection member.Conventional shaft coupling has diaphragm coupling, gear coupling, plum coupling, oldham coupling, drum
Shape gear coupling, Hooks coupling universal coupling, safety coupling, yielding coupling and Falk flexible coupling.The two of traditional shaft coupling
Half part during transmitting torque, can be produced between two half parts of shaft coupling and rubbed generally by the way that connection is physically contacted
Wiping, heat, and noise are big, and torsion damping effect is limited, and causes power loss.
Magnetic coupling is that it breaks biography the characteristics of its is maximum in addition to the function with yielding coupling buffering absorbing
The structure type of system shaft coupling, using brand-new magnetic coupling principle, realizes not passing through directly contact between driving shaft and driven shaft
Just the transmission of power and torque can be carried out, can solves the problems, such as that traditional elastic shaft coupling noise is larger and weares and teares, but prior art
Magnetic Force Transmission Coupling there is very big defect, such as transmitting torque is small, in addition, the meeting when increase produces slippage suddenly for load
Produce extra big twisting vibration.Can not be big in speed discrepancy or run in the state of skidding, otherwise can serious heating burnout
Shaft coupling.
The content of the invention
The purpose of the present invention is the defect for overcoming existing magnet coupler transmitting torque small, there is provided a kind of automobile permanent magnet vortex
Flexible clutch, realizes transmitting large torque while being nearly free from axial force.
It is of the invention it is another be that purpose is to provide a kind of automobile permanent magnet vortex flexible clutch, reduce shaft coupling transmission torque
When the vibrations that produce.
The present invention provide technical scheme be：
A kind of automobile permanent magnet is vortexed flexible clutch, including：
Driving disc spacing pressing, it includes the first supporting plate being axially fixed and the second supporting plate, and the first supporting plate inner side sets
It is equipped with the first backing plate and/or second supporting plate inner side is provided with the second backing plate；The backing plate uses copper material；And
Clutch plate, it is coaxially rotatably supported in first supporting plate and the second supporting plate and positioned at the support
In gap between plate, the permanent magnet that even number is arranged circumferentially about around axis, two neighboring permanent magnetism are provided with the clutch plate
The same side surface magnetic pole of body is opposite；
The driving disc spacing pressing is used to receive the rotary power of engine, and the clutch plate is connected with load.
Preferably, the clutch plate includes being close to first disk and second disk of arrangement, first disk and the
The groove for installing permanent magnet is provided with the inside of two disks.
Preferably, multiple support sets being arranged circumferentially about are provided between first supporting plate and the second supporting plate,
First supporting plate and the second supporting plate are separately fixed at the two ends of support set.
Preferably, the clutch plate is fixedly connected with hub splines, is connected by hub splines and loaded；The splined shaft
Set is rotatably supported in the supporting plate.
Preferably, the hub splines passes through bearings in the centre bore of the supporting plate.
A kind of automobile permanent magnet is vortexed flexible clutch, including：
First driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；And
Second driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；
The inner side of supporting plate described at least one sets the backing plate of copper material；First driving disc spacing pressing and the second driving disc spacing pressing are same
Axle is fixed；
Two clutch plates coaxially are fixed, its rotatable coaxial support is on the driving disc spacing pressing and respectively positioned at the support
In gap between plate, the permanent magnet that even number is arranged circumferentially about around axis, two neighboring permanent magnetism are provided with the clutch plate
The same side surface magnetic pole of body is opposite；
The driving disc spacing pressing is used to receive the rotary power of engine, and the clutch plate is connected with load.
Preferably, it is provided with fin between first driving disc spacing pressing and the second driving disc spacing pressing.
Preferably, the clutch plate includes being close to two disks of arrangement, and use is provided with the inside of described two disks
In the groove for installing permanent magnet.
A kind of automobile permanent magnet is vortexed flexible clutch, including：
Driving disc spacing pressing, it includes axially opposed co-axially fixed two supporting plates in interval；And
Clutch plate, itself and the driving disc spacing pressing set multiple coaxially and between the supporting plate, on the clutch plate
Around the permanent magnet that axis is arranged circumferentially about, the same side surface magnetic pole of two adjacent permanent magnets is opposite.
A kind of automobile permanent magnet is vortexed flexible clutch, including：
First driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；And
Second driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；First driving disc spacing pressing and second
Driving disc spacing pressing is coaxially fixed side by side；
Two clutch plates coaxially are fixed, its rotatable coaxial support is on the driving disc spacing pressing and respectively positioned at the support
In gap between plate, the permanent magnet that even number is arranged circumferentially about around axis, two neighboring permanent magnetism are provided with the clutch plate
The same side surface magnetic pole of body is opposite.
Beneficial effects of the present invention are embodied in the following aspects：
1st, disk both sides pole plate is arranged symmetrically, and magnetic field utilization ratio is high, and suction is in opposite direction, cancels each other, and eliminates axially
Power.
2nd, contactless (air gap) transmitting torque, isolates twisting vibration, reduces vibration and noise, while there is flexibility to start,
Prevent overload from acting on, improve power and transmission system life-span.
3rd, double disk arrangements, magnetic fields area is big, and transmitting torque is high.
4th, additional layer copper coin etc. has high conductivity material on the supporting plate, and enhancing strength of vortex, increase moment of torsion make torsion
Square transmission efficiency brings up to 96% -98%.
Brief description of the drawings
Fig. 1 is that automobile permanent magnet of the present invention is vortexed flexible clutch decomposition texture schematic diagram.
Fig. 2 is that automobile permanent magnet of the present invention is vortexed flexible clutch general structure schematic diagram.
Fig. 3 is driving disc spacing pressing decomposition texture schematic diagram of the present invention.
Fig. 4 is clutch plate decomposition texture schematic diagram of the present invention.
Fig. 5 is that automobile permanent magnet of the present invention is vortexed flexible clutch fundamental diagram.
Fig. 6 is that automobile permanent magnet of the present invention is vortexed flexible clutch Distribution of Magnetic Field schematic diagram.
Fig. 7 has one group of driving disc spacing pressing and clutch plate coupler structure schematic diagram for of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in fig. 7, the invention provides a kind of automobile permanent magnet vortex flexible clutch, including driving disc spacing pressing 110 and driven
Disk 120.Include the first supporting plate 111 and the second supporting plate 112 positioned opposite refering to driving disc spacing pressing 110 described in Fig. 1 in the lump, the
Edge between one supporting plate 111 and the second supporting plate 112 is provided with multiple the first support sets 113 circumferentially arranged, makes
First supporting plate 111 and the second supporting plate 112 are fixed by screws in the two ends of support set 113, so that the He of the first supporting plate 111
The space for accommodating clutch plate is formed between second supporting plate 112.The inner side of the first supporting plate 111 is provided with the first backing plate 114,
The inner side of the second supporting plate 112 is provided with the second backing plate 115, the backing plate 115 of first backing plate 114 and second uses copper material
Matter.Clutch plate 120 is arranged between the first supporting plate 111 and the second supporting plate 112, and away from the first supporting plate 111 and second
The distance of supporting plate 112 is equal.
As shown in figure 4, the clutch plate 120 includes being close to first disk 121 and second disk 122 of arrangement, described the
The inner side of one disk 121 and second disk 122 is provided with the groove for installing permanent magnet, and multiple permanent magnetism are provided with groove
Body 123, and the permanent magnet 123 is multiple even number, is arranged circumferentially about relative to axis, the upper table of two adjacent permanent magnets 123
Face magnetic pole is opposite.
Driving disc spacing pressing 110 is connected with engine flywheel, and the clutch plate 120 is connected with load.When driving disc spacing pressing 110 with
When engine flywheel rotates at a high speed, driving disc spacing pressing 110 cuts the magnetic line of force of clutch plate generation in rotary course, in driving disc spacing pressing 110
On backing plate induced inside formed current vortex.The magnetic field force that the induced-current on motion conduct is produced is known according to Lenz's law
The motion of conductor is always hindered, then clutch plate 120 can follow driving disc spacing pressing 110 to move together, so there is the magnetic that current vortex is produced
The magnetic field interaction that field and the inner magnet of clutch plate 120 are produced, plays a part of transmitting torque.
In another embodiment, the invention provides a kind of automobile permanent magnet vortex flexible clutch, including two sets vertically
The driving disc spacing pressing 110 being fixed together, and it is arranged on the clutch plate 120 in driving disc spacing pressing 110.
As shown in Figure 1, Figure 2, Figure 3 shows, the driving disc spacing pressing includes the first supporting plate 111 and the second supporting plate positioned opposite
112, the edge between the first supporting plate 111 and the second supporting plate 112 is provided with multiple the first supports circumferentially arranged
Set 113, makes the first supporting plate 111 and the second supporting plate 112 be fixed by screws in the two ends of support set 113, so that first
The space for accommodating clutch plate is formed between the supporting plate 112 of fagging 111 and second.The inner side of the first supporting plate 111 is provided with
One backing plate 114, the second backing plate 115, the backing plate 115 of first backing plate 114 and second are provided with the inner side of the second supporting plate 112
Use copper material.Two sets of driving disc spacing pressings 110 are fixed together by the second support set 116, and between two sets of driving disc spacing pressings 110
Fin 117 is provided with, when two sets of driving disc spacing pressings 110 are together rotated, disturbs air-flow by fin 117, Neng Gouqi
To more preferable radiating effect.
As described in Fig. 1, Fig. 4, the clutch plate 120 is arranged between the first backing plate 114 and the second backing plate 115, and with
Gap is left between first backing plate 114 and the second backing plate 115.The clutch plate 120 is also equipped with two sets, is separately positioned on two sets
In driving disc spacing pressing 110.The clutch plate 120 includes being close to first disk 121 and second disk 122 of arrangement, first disk
121 and the inner side of second disk 122 be provided with groove for installing permanent magnet, multiple permanent magnets 123 are installed in groove,
And the permanent magnet 123 is multiple even number, is arranged circumferentially about relative to axis, the upper surface magnetic pole of two adjacent permanent magnets 123
Conversely.
Two sets of clutch plates 120 are fixedly and coaxially connected with hub splines 130.Spline is provided with the hub splines 130
Groove, can be such that clutch plate 120 is connected with load by hub splines 130.
As shown in figure 1, bearing 140 is separately installed with two two supporting plates at the assembly two ends of driving disc spacing pressing 110, and
Bearing 140 is fixed by bearing cap 141.Inner ring of the two ends of hub splines 130 respectively with two bearings 140 is matched somebody with somebody
Close.
As shown in Figure 5, Figure 6, driving disc spacing pressing 110 is connected with engine flywheel, and the clutch plate 120 is connected with load.
When driving disc spacing pressing 110 rotates at a high speed with engine flywheel, driving disc spacing pressing 110 cuts the magnetic force of clutch plate generation in rotary course
Line, current vortex is formed in the backing plate induced inside of driving disc spacing pressing 110.Because the first backing plate 114 and the second backing plate 115 use copper coin,
The conductance of copper coin is 4-5 times of steel plate, and the current vortex of high intensity can be produced in low speed, knows that motion is led according to Lenz's law
The magnetic field force that induced-current on body is produced always hinders the motion of conductor, and then clutch plate 120 can follow driving disc spacing pressing 110 1
Motion is played, so there is the magnetic field that current vortex is produced and the magnetic field interaction that the inner magnet of clutch plate 120 is produced, played transmission and turn round
The effect of square.
The automobile permanent magnet that the present invention is provided is vortexed flexible clutch due to using copper coin, and high intensity can be produced in low speed
Current vortex, can transmit larger moment of torsion, without friction in the course of work, have the advantages that noise is low, long service life.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of automobile permanent magnet is vortexed flexible clutch, it is characterised in that including：
Driving disc spacing pressing, it includes the first supporting plate being axially fixed and the second supporting plate, and the first supporting plate inner side is provided with
First backing plate and/or second supporting plate inner side are provided with the second backing plate；The backing plate uses copper material；And
Clutch plate, its be coaxially rotatably supported in first supporting plate and the second supporting plate and positioned at the supporting plate it
Between gap in, the permanent magnet that even number is arranged circumferentially about around axis is provided with the clutch plate, two adjacent permanent magnets are same
One side surface magnetic pole is opposite；
The driving disc spacing pressing is used to receive the rotary power of engine, and the clutch plate is connected with load.
2. automobile permanent magnet according to claim 1 is vortexed flexible clutch, it is characterised in that the clutch plate includes being close to
It is provided with the facing surface of first disk and second disk of arrangement, first disk and second disk for installing forever
The groove of magnet.
3. automobile permanent magnet according to claim 1 and 2 is vortexed flexible clutch, it is characterised in that first supporting plate
And second be provided with multiple support sets being arranged circumferentially about between supporting plate, first supporting plate and the second supporting plate are solid respectively
It is scheduled on the two ends of support set.
4. automobile permanent magnet according to claim 3 is vortexed flexible clutch, it is characterised in that the clutch plate and splined shaft
Set is fixedly connected, and is connected by hub splines and loaded；The hub splines is rotatably supported in the supporting plate.
5. automobile permanent magnet according to claim 4 is vortexed flexible clutch, it is characterised in that the hub splines passes through axle
Hold and be supported in the centre bore of the supporting plate.
6. a kind of automobile permanent magnet is vortexed flexible clutch, it is characterised in that including：
First driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；And
Second driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；
The inner side of supporting plate described at least one sets the backing plate of copper material；First driving disc spacing pressing and the second driving disc spacing pressing are coaxially solid
It is fixed；
Coaxially fix two clutch plates, its rotatable coaxial support be located on the driving disc spacing pressing and respectively the supporting plate it
Between gap in, the permanent magnet that even number is arranged circumferentially about around axis is provided with the clutch plate, two adjacent permanent magnets are same
One side surface magnetic pole is opposite；
The driving disc spacing pressing is used to receive the rotary power of engine, and the clutch plate is connected with load.
7. automobile permanent magnet according to claim 6 vortex flexible clutch, it is characterised in that first driving disc spacing pressing and the
Fin is provided between two driving disc spacing pressings.
8. automobile permanent magnet according to claim 7 is vortexed flexible clutch, it is characterised in that the clutch plate includes being close to
Two disks of arrangement, are provided with the groove for installing permanent magnet on the inside of described two disks.
9. a kind of automobile permanent magnet is vortexed flexible clutch, it is characterised in that including：
Driving disc spacing pressing, it includes axially opposed co-axially fixed two supporting plates in interval；And
Clutch plate, itself and the driving disc spacing pressing set multiple around axle coaxially and between the supporting plate, on the clutch plate
The permanent magnet that line is arranged circumferentially about, the same side surface magnetic pole of two adjacent permanent magnets is opposite.
10. a kind of automobile permanent magnet is vortexed flexible clutch, it is characterised in that including：
First driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；And
Second driving disc spacing pressing, it includes two fixed supporting plates of axially opposed interval；First driving disc spacing pressing and second is actively
Disk is coaxially fixed side by side；
Coaxially fix two clutch plates, its rotatable coaxial support be located on the driving disc spacing pressing and respectively the supporting plate it
Between gap in, the permanent magnet that even number is arranged circumferentially about around axis is provided with the clutch plate, two adjacent permanent magnets are same
One side surface magnetic pole is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157033.0A CN106685181A (en) | 2017-03-16 | 2017-03-16 | Vehicular permanent magnet eddy current flexible coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157033.0A CN106685181A (en) | 2017-03-16 | 2017-03-16 | Vehicular permanent magnet eddy current flexible coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106685181A true CN106685181A (en) | 2017-05-17 |
Family
ID=58828803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710157033.0A Pending CN106685181A (en) | 2017-03-16 | 2017-03-16 | Vehicular permanent magnet eddy current flexible coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106685181A (en) |
Cited By (2)
| 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 |
| CN112398306A (en) * | 2020-11-30 | 2021-02-23 | 合肥工业大学 | Low power sinusoidal torque output transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095097A (en) * | 2012-12-20 | 2013-05-08 | 上海曜中能源科技有限公司 | Transmission system with permanent magnet speed regulation clutch |
| CN103107679A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Permanent magnet eddy coupling with smaller time-lag effects in disc type |
| CN203933337U (en) * | 2014-05-22 | 2014-11-05 | 南京中信达动力传动技术有限公司 | A kind of novel damping distance-limiting type permanent-magnet eddy current coupler |
| WO2016078039A1 (en) * | 2014-11-19 | 2016-05-26 | 南方科技大学 | Magnetic transmission device |
| CN206533266U (en) * | 2017-03-16 | 2017-09-29 | 迈格钠磁动力股份有限公司 | A kind of automobile permanent magnet is vortexed flexible clutch |
-
2017
- 2017-03-16 CN CN201710157033.0A patent/CN106685181A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095097A (en) * | 2012-12-20 | 2013-05-08 | 上海曜中能源科技有限公司 | Transmission system with permanent magnet speed regulation clutch |
| CN103107679A (en) * | 2013-01-14 | 2013-05-15 | 浙江大学 | Permanent magnet eddy coupling with smaller time-lag effects in disc type |
| CN203933337U (en) * | 2014-05-22 | 2014-11-05 | 南京中信达动力传动技术有限公司 | A kind of novel damping distance-limiting type permanent-magnet eddy current coupler |
| WO2016078039A1 (en) * | 2014-11-19 | 2016-05-26 | 南方科技大学 | Magnetic transmission device |
| CN206533266U (en) * | 2017-03-16 | 2017-09-29 | 迈格钠磁动力股份有限公司 | A kind of automobile permanent magnet is vortexed flexible clutch |
Cited By (3)
| 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 |
| CN112398306A (en) * | 2020-11-30 | 2021-02-23 | 合肥工业大学 | Low power sinusoidal torque output transmission |
| CN112398306B (en) * | 2020-11-30 | 2021-09-17 | 合肥工业大学 | Low power sinusoidal torque output transmission |
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