CN107579645A - A kind of distance-limiting type permanent magnet clutch - Google Patents
A kind of distance-limiting type permanent magnet clutch Download PDFInfo
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- CN107579645A CN107579645A CN201711008438.4A CN201711008438A CN107579645A CN 107579645 A CN107579645 A CN 107579645A CN 201711008438 A CN201711008438 A CN 201711008438A CN 107579645 A CN107579645 A CN 107579645A
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- rotor cylinder
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- permanent magnet
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- end plate
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Abstract
This application discloses a kind of distance-limiting type permanent magnet clutch, including：Driving shaft, power rotor cylinder, driven shaft, driven rotor cylinder；Power rotor cylinder and the driving shaft drive connection；The driven rotor cylinder is arranged on driven shaft；The driven shaft is provided with adjacent drive mechanism and disengagement structure, for making driven rotor cylinder and the driven shaft free switching between drive connection and disengagement；One in the power rotor cylinder and driven rotor cylinder is arranged on another inner side, and transmission permanent magnet is equipped with the adjacent side wall of two cylinders；It is respectively equipped with power rotor cylinder and the adjacent end plate of driven rotor cylinder and disengages permanent magnet and conductor, the end plate of power rotor cylinder and the end plate of driven rotor cylinder be arranged in parallel.When moment of torsion is excessive to be slipped, shaft coupling disengages automatically in the presence of magnetic field repulsive force, realizes the overload protection to shaft coupling.
Description
Technical field
The present invention relates to permanent magnet transmission apparatus field, more particularly to a kind of distance-limiting type permanent magnet clutch.
Background technology
Permanent magnet clutch couples as on-mechanical, and the synchronous revolving of prime mover and working machine, its spy are realized by the magnetic line of force
Kind of function is to be moved to closing space transmission or power, so as to realize totally-enclosed or positive confinement, in petrochemical industry, vacuum, boat
My god, diving, diet, medicine, film, plating, the industry such as instrument be widely used.
But permanent magnet clutch is less as just transmission application, because when there is S.acus Linnaeus exact, inside and outside half shaft coupling
Device will slip asynchronous, occur to slip generation vortex between magnet, amount of heat is produced in the short time, causes binding agent to lose
Effect, magnet demagnetization, magnetic patch are stuck, the consequence of bringing on a disaster property.
If will can be disengaged when being slipped because driving torque is excessive between driving shaft and power transmission shaft, so that
The rotary resistance for obtaining rotor is reduced, and due to slippage, caused vortex is also corresponding reduces, then the achievable mistake to permanent magnet clutch
Carry protection.
The content of the invention
The present invention is in view of the above-mentioned problems, propose distance-limiting type permanent magnet clutch.
The technical scheme that the present invention takes is as follows：A kind of distance-limiting type permanent magnet clutch, including：Driving shaft, power rotor circle
Cylinder, driven shaft, driven rotor cylinder；Power rotor cylinder and the driving shaft drive connection；The driven rotor cylinder is set
On driven shaft；The driven shaft is provided with adjacent drive mechanism and disengagement structure, for make driven rotor cylinder with it is driven
Axle free switching between drive connection and disengagement；One in the power rotor cylinder and driven rotor cylinder is arranged on separately
On the inside of one, transmission permanent magnet is equipped with the adjacent side wall of two cylinders；Power rotor cylinder and driven rotor cylinder are adjacent
End plate on be respectively equipped with and disengage permanent magnet and conductor, the end plate of power rotor cylinder is parallel with the end plate of driven rotor cylinder to be set
Put.
In one embodiment, the power rotor barrel sizes are more than driven rotor cylinder, and driven rotor cylinder is set
In power rotor cylinder interior.
In one embodiment, the power rotor barrel sizes are less than driven rotor cylinder, and power rotor cylinder is set
In driven rotor cylinder interior.
In one embodiment, the set location of the disengagement permanent magnet and conductor is exchanged.
The curved structure of cylinder is side wall；The rounded planar structure of cylinder end is because end plate, according to the knot of cylinder
Structure and the position set can be divided into top plate and bottom plate.End plate is perpendicular to driving shaft or the axis direction of driven shaft.
Transmission permanent magnet on power rotor cylinder follows spindle rotation, and the transmission permanent magnet on driven rotor cylinder exists
Rotation is followed by under magnetic fields and conveys power to driven shaft.Due to the effect of inertia, the transmission on driven rotor cylinder is forever
Magnet will lag one attitude angle of permanent magnet on power rotor cylinder.The attitude angle is continuously increased in start-up course, is moved to
The attitude angle is kept constant after stable state.On startup, if output torque exceedes the torque capacity of permanent magnet clutch, actively turn
Slipped between son and driven rotor, the magnetic field that conductor cutting disengages permanent magnet produces strong induced-current, the induced electricity
The polarity of the magnetic field of stream is identical with disengaging permanent magnet pole, where powerful repulsion causes end plate where conductor and disengages permanent magnet
End plate between disengage.Driven rotor cylinder is displaced to disengagement structure from the drive mechanism on driven shaft, stops transmission power, if
It is standby to shut down, realize overload protection.
In one embodiment of the invention, the transmission permanent magnet polarity in same side wall is alternately arranged.
Same side wall mentioned here, refer to be arranged in the side wall of power rotor cylinder, or be arranged at from
In the side wall of the sub- cylinder of turn.
In one embodiment of the invention, the transmission permanent magnet in same side wall arranges in Halbach array.
Transmission permanent magnet is arranged by the way of alternating polarity or arranged using Halbach array, can be same
Stronger magnetic field and the Geng Gao torque transmission upper limit are provided on barrel sizes, improve transmission efficiency.
In one embodiment of the invention, the transmission permanent magnet is shaped as tile-type.
When the transmission permanent magnet of tile-type is arranged in power rotor roller and driven rotor roller, rolling can be preferably bonded
The structure of cylinder side wall so that magnetic field is more uniform caused by permanent magnet.
In one embodiment of the invention, the drive mechanism includes external splines, and the driven rotor roller is provided with interior flower
Key, engaged transmission between external splines and internal spline.
In one embodiment of the invention, the quantity of the power rotor cylinder and driven rotor cylinder is no less than two, master
The end plate of the sub- cylinder of turn and the end plate of driven rotor cylinder, which correspond, to be arranged in parallel.
Multiple power rotor cylinders and corresponding driven rotor cylinder, every group of power rotor are set on a shaft coupling
Cylinder and driven rotor cylinder can play the effect of transmission rotative power, so as to improve the driving torque upper limit of shaft coupling.
In one embodiment of the invention, the power rotor cylinder and driven rotor cylinder respectively have two, driven rotor circle
The end plate of cylinder is arranged between the end plate of power rotor cylinder.
Brief description of the drawings：
Fig. 1 is the structural representation of distance-limiting type permanent magnet clutch of the present invention；
Fig. 2 is the structural representation of the embodiment of distance-limiting type permanent magnet clutch one of the present invention.
Each reference is in figure：
1st, driving shaft；2nd, power rotor cylinder；21st, the end plate of power rotor cylinder；3rd, driven shaft；31st, drive mechanism；
32nd, disengagement structure；4th, driven rotor cylinder；41st, the end plate of driven rotor cylinder；5th, it is driven permanent magnet；61st, permanent magnet is disengaged；
62nd, conductor.
Embodiment：
With reference to each accompanying drawing, the present invention is described in detail.
Fig. 1 is refer to, the embodiment of the present invention provides a kind of distance-limiting type permanent magnet clutch, including：Driving shaft 1, power rotor
Cylinder 2, driven shaft 3, driven rotor cylinder 4；Power rotor cylinder 2 and driving shaft 1 are connected；Driven rotor cylinder 4 is set
On driven shaft 3；Driven shaft 3 is provided with adjacent drive mechanism 31 and disengagement structure 32, for make driven rotor cylinder 4 with from
The free switching between drive connection and disengagement of moving axis 3；One in power rotor cylinder 2 and driven rotor cylinder 4 is arranged on
On the inside of another, transmission permanent magnet 5 is equipped with the adjacent side wall of two cylinders；Power rotor cylinder 2 and driven rotor cylinder 4
It is respectively equipped with adjacent end plate and disengages permanent magnet 61 and conductor 62, the end plate 21 of power rotor cylinder and driven rotor cylinder
End plate 41 be arranged in parallel.
Fig. 1 is refer to, in one embodiment, the size of power rotor cylinder 2 is more than driven rotor cylinder 4, driven rotor
Cylinder 4 is arranged on inside power rotor cylinder 2.
In one embodiment, the size of power rotor cylinder 2 is less than driven rotor cylinder 4, and power rotor cylinder 2 is arranged on
Inside driven rotor cylinder 4.
In one embodiment, disengage permanent magnet 61 and the set location of conductor 62 is exchanged.
The curved structure of cylinder is side wall；The rounded planar structure of cylinder end is because end plate, according to the knot of cylinder
Structure and the position set can be divided into top plate and bottom plate.End plate is perpendicular to driving shaft or the axis direction of driven shaft.
Transmission permanent magnet 5 on power rotor cylinder 2 follows driving shaft 1 to rotate, the transmission permanent magnetism on driven rotor cylinder 4
Body 5 followed by rotation under magnetic fields and convey power to driven shaft 3.Due to the effect of inertia, on driven rotor cylinder 4
Transmission permanent magnet 5 will lag 5 one attitudes angle of transmission permanent magnet on power rotor cylinder 2.The attitude angle is not in start-up course
Disconnected increase, the attitude angle keeps constant after moving to stable state.On startup, if output torque exceedes permanent magnet clutch most
Big torque, is slipped between power rotor and driven rotor, and the magnetic field that the cutting of conductor 62 disengages permanent magnet 61 produces strongly
Induced-current, the faradic polarity of the magnetic field is identical with disengaging the magnetic pole of permanent magnet 61, and powerful repulsion causes where conductor 62
End plate and disengaging disengage between end plate where permanent magnet 61.Driven rotor cylinder 4 is from the drive mechanism 31 on driven shaft 3
Disengagement structure 32 is moved on to, stops transmission power, equipment downtime, realizes overload protection.
As a kind of embodiment, the alternating polarity of transmission permanent magnet 5 arrangement in same side wall.
Same side wall mentioned here, refer to be arranged in the side wall of power rotor cylinder 2, or be arranged at from
In the side wall of the sub- cylinder 4 of turn.
As a kind of embodiment, the transmission permanent magnet 5 in same side wall arranges in Halbach array.
Transmission permanent magnet 5 is arranged by the way of alternating polarity or arranged using Halbach array, can be same
Barrel sizes on the stronger magnetic field and Geng Gao torque transmission upper limit is provided, improve transmission efficiency.
As a kind of embodiment, transmission permanent magnet 5 is shaped as tile-type.
When the transmission permanent magnet 5 of tile-type is arranged on 4 in power rotor roller 2 and driven rotor roller, can preferably it paste
Close the structure of cylinder wall so that magnetic field is more uniform caused by permanent magnet.
As a kind of embodiment, drive mechanism 31 includes external splines, and driven rotor roller 4 is provided with internal spline, external splines
The engaged transmission between internal spline.
As a kind of embodiment, the quantity of power rotor cylinder 2 and driven rotor cylinder 4 is no less than two, power rotor
The end plate 21 of cylinder and the end plate 41 of driven rotor cylinder, which correspond, to be arranged in parallel.
Multiple power rotor cylinders 2 and corresponding driven rotor cylinder 4 are set on a shaft coupling, and every group actively turns
Sub- cylinder 2 and driven rotor cylinder 4 can play the effect of transmission rotative power, so as to improve on the driving torque of shaft coupling
Limit.
Fig. 2 is refer to, as a kind of embodiment, power rotor cylinder 2 and driven rotor cylinder 4 respectively there are two, from turn
The end plate 41 of sub- cylinder is arranged between the end plate 21 of power rotor cylinder.
The preferred embodiments of the present invention are these are only, not thereby limit the scope of patent protection of the present invention, every fortune
The equivalent structure transformation made with description of the invention and accompanying drawing content, directly or indirectly it is used in other related technology necks
Domain, similarly include within the scope of the present invention.
Claims (7)
- A kind of 1. distance-limiting type permanent magnet clutch, it is characterised in that including：Driving shaft, power rotor cylinder, driven shaft, from turn Sub- cylinder；Power rotor cylinder and the driving shaft drive connection；The driven rotor cylinder is arranged on driven shaft；The driven shaft is provided with adjacent drive mechanism and disengagement structure, for making driven rotor cylinder be driven with driven shaft Free switching between connection and disengagement；One in the power rotor cylinder and driven rotor cylinder is arranged on another inner side, the adjacent side wall of two cylinders On be equipped with transmission permanent magnet；It is respectively equipped with power rotor cylinder and the adjacent end plate of driven rotor cylinder and disengages permanent magnet and conductor, power rotor circle The end plate of cylinder and the end plate of driven rotor cylinder be arranged in parallel.
- 2. distance-limiting type permanent magnet clutch as claimed in claim 1, it is characterised in that the transmission permanent magnetism in same side wall Body alternating polarity arranges.
- 3. distance-limiting type permanent magnet clutch as claimed in claim 1, it is characterised in that the transmission permanent magnetism in same side wall Body arranges in Halbach array.
- 4. distance-limiting type permanent magnet clutch as claimed in claim 1, it is characterised in that the transmission permanent magnet is shaped as tile-type.
- 5. distance-limiting type permanent magnet clutch as claimed in claim 1, it is characterised in that the drive mechanism includes external splines, institute State driven rotor roller and be provided with internal spline, engaged transmission between external splines and internal spline.
- 6. distance-limiting type permanent magnet clutch as claimed in claim 1, it is characterised in that the power rotor cylinder and driven rotor The quantity of cylinder is no less than two, and the end plate of power rotor cylinder and the end plate of driven rotor cylinder, which correspond, to be arranged in parallel.
- 7. distance-limiting type permanent magnet clutch as claimed in claim 6, it is characterised in that the power rotor cylinder and driven rotor Cylinder respectively has two, and the end plate of driven rotor cylinder is arranged between the end plate of power rotor cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008438.4A CN107579645A (en) | 2017-10-25 | 2017-10-25 | A kind of distance-limiting type permanent magnet clutch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008438.4A CN107579645A (en) | 2017-10-25 | 2017-10-25 | A kind of distance-limiting type permanent magnet clutch |
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| Publication Number | Publication Date |
|---|---|
| CN107579645A true CN107579645A (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711008438.4A Pending CN107579645A (en) | 2017-10-25 | 2017-10-25 | A kind of distance-limiting type permanent magnet clutch |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115535A (en) * | 2018-02-06 | 2019-08-13 | 佛山市顺德区美的电热电器制造有限公司 | DPU disk pack unit, stirring cup assembly and food cooking machine |
| CN110535321A (en) * | 2019-09-05 | 2019-12-03 | 安徽理工大学 | A kind of Halbach array formula coupler |
| CN111211663A (en) * | 2020-01-13 | 2020-05-29 | 合肥工业大学 | Hybrid coupling and assembling method thereof |
| CN111478550A (en) * | 2020-04-01 | 2020-07-31 | 南宁学院 | Magnetic coupling |
| WO2021072615A1 (en) * | 2019-10-15 | 2021-04-22 | 安徽理工大学 | Halbach array type coupler |
| CN114160898A (en) * | 2021-12-17 | 2022-03-11 | 通用技术集团机床工程研究院有限公司 | Direct-connection magnetic coupling rotating shaft for electric spark forming machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629818A (en) * | 2012-04-27 | 2012-08-08 | 南京艾凌节能技术有限公司 | Torque-limiting permanent magnet coupler |
| CN103326537A (en) * | 2013-06-19 | 2013-09-25 | 南京艾凌永磁调速技术研究有限公司 | Moment-limiting type permanent magnet coupler |
| CN207475388U (en) * | 2017-10-25 | 2018-06-08 | 诸暨和创电机科技有限公司 | A kind of distance-limiting type permanent magnet clutch |
-
2017
- 2017-10-25 CN CN201711008438.4A patent/CN107579645A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629818A (en) * | 2012-04-27 | 2012-08-08 | 南京艾凌节能技术有限公司 | Torque-limiting permanent magnet coupler |
| CN103326537A (en) * | 2013-06-19 | 2013-09-25 | 南京艾凌永磁调速技术研究有限公司 | Moment-limiting type permanent magnet coupler |
| CN207475388U (en) * | 2017-10-25 | 2018-06-08 | 诸暨和创电机科技有限公司 | A kind of distance-limiting type permanent magnet clutch |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115535A (en) * | 2018-02-06 | 2019-08-13 | 佛山市顺德区美的电热电器制造有限公司 | DPU disk pack unit, stirring cup assembly and food cooking machine |
| CN110115535B (en) * | 2018-02-06 | 2022-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic disc assembly, stirring cup assembly and food processor |
| CN110535321A (en) * | 2019-09-05 | 2019-12-03 | 安徽理工大学 | A kind of Halbach array formula coupler |
| CN110535321B (en) * | 2019-09-05 | 2020-06-26 | 安徽理工大学 | Halbach array coupler |
| WO2021072615A1 (en) * | 2019-10-15 | 2021-04-22 | 安徽理工大学 | Halbach array type coupler |
| CN111211663A (en) * | 2020-01-13 | 2020-05-29 | 合肥工业大学 | Hybrid coupling and assembling method thereof |
| CN111478550A (en) * | 2020-04-01 | 2020-07-31 | 南宁学院 | Magnetic coupling |
| CN114160898A (en) * | 2021-12-17 | 2022-03-11 | 通用技术集团机床工程研究院有限公司 | Direct-connection magnetic coupling rotating shaft for electric spark forming machine |
| CN114160898B (en) * | 2021-12-17 | 2023-10-03 | 通用技术集团机床工程研究院有限公司 | Direct-connection magnetic coupling rotating shaft for electric spark forming machine |
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