CN206850655U - A kind of spherical permanent magnetic coupling of fixed air gap - Google Patents

A kind of spherical permanent magnetic coupling of fixed air gap Download PDF

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Publication number
CN206850655U
CN206850655U CN201720172883.3U CN201720172883U CN206850655U CN 206850655 U CN206850655 U CN 206850655U CN 201720172883 U CN201720172883 U CN 201720172883U CN 206850655 U CN206850655 U CN 206850655U
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CN
China
Prior art keywords
rotor
conductor
spherical
air gap
main part
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Expired - Fee Related
Application number
CN201720172883.3U
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Chinese (zh)
Inventor
兰宏伟
王娜
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Lanzhou Jiaotong University
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Lanzhou Jiaotong University
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Priority to CN201720172883.3U priority Critical patent/CN206850655U/en
Application granted granted Critical
Publication of CN206850655U publication Critical patent/CN206850655U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of spherical permanent magnetic coupling of fixed air gap.It includes drive shaft and driven shaft;Also include being connected to the conductor rotor on the right side of the drive shaft;The p-m rotor being arranged on the outside of the driven shaft;The conductor rotor has a spherical chamber, and the p-m rotor is located in the spherical chamber;The medial surface of the conductor rotor posts copper conductor, the copper conductor and the p-m rotor it is cylindrical between be spaced by spherical air gap.The utility model takes full advantage of sphere to provide bigger operating magnetic field flux, and under the overall dimensions maintained like, can transmit higher moment of torsion;The magnetic flux points to spherical air gap, the i.e. magnetic flux with radial direction along p-m rotor sphere, it may have axial magnetic flux, the advantages of having tubular and desk permanent-magnet coupler concurrently.

Description

A kind of spherical permanent magnetic coupling of fixed air gap
Technical field
A kind of magnetic couple device is the utility model is related to, in particulars relate to a kind of spherical permanent magnet coupling of fixed air gap Device.
Background technology
Permanent magnetic coupling is to realize to be transmitted by the torque of motor to load by the air gap between copper conductor and permanent magnet Device, can be achieved motor and load between the kind of drive without mechanical connection.Its operation principle is relative between the two to transport When dynamic, copper conductor cutting magnetic line, vortex flow, vortex flow and then generation induced field produced in copper conductor, is produced with permanent magnet Raw magnetic field reciprocation, so as to realize the transmission of torque between the two.
Permanent magnetic coupling has the function that buffer starting, overload protection, and can eliminate the vibration between motor and load Transmit, and energy-saving effect is notable, power saving rate reaches 25%~66%, adapts to various adverse circumstances, thus has obtained extensive Using.
The permanent magnetic coupling of existing fixed air gap mainly has tubular permanent magnetic coupling and desk permanent-magnet coupler, and tubular is forever The magnetic force direction of magnetic coupler is radially, it is allowed to has larger axial float, but is axially taken up too much space;Desk permanent-magnet coupling The magnetic force direction of clutch is axial direction, requires very tight to axial float, but axial space is smaller.To sum up, above two permanent magnet coupling Device respectively has quality.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is to propose that one kind has more efficient transmission The spherical permanent magnetic coupling of fixation air gap of moment of torsion and structure more compact and reasonable.It has tubular permanent magnetic coupling and disc type concurrently forever The advantages of magnetic coupler, and eliminate its shortcoming
To realize above-mentioned technical purpose, the utility model, which adopts the following technical scheme that, to be achieved.
A kind of spherical permanent magnetic coupling of fixed air gap, including drive shaft and driven shaft;Also include being connected to the driving Conductor rotor on the right side of axle;The p-m rotor being arranged on the outside of the driven shaft;The conductor rotor has a spherical chamber, institute P-m rotor is stated to be located in the spherical chamber;The medial surface of the conductor rotor posts copper conductor, the copper conductor with it is described P-m rotor it is cylindrical between be spaced by spherical air gap.
Preferably, the conductor rotor includes the first conductor rotor;First conductor rotor includes the first hollow hemisphere Shape main part, the first connecting portion to be stretched out by the centre position of the outer wall of the first hollow hemisphere shape main part;It is empty by first The second connecting portion that the outer wall of the hemispherical main part of the heart and the junction of a section stretch out.
Preferably, the conductor rotor includes the second conductor rotor;Second conductor rotor includes the second hollow hemisphere Shape main part;By the 3rd connecting portion extended outside the outer wall of the second hollow hemisphere shape main part and the junction of a section;It is described First hollow hemisphere shape main part and the second hollow hemisphere shape main part surround the spherical chamber;The first connecting portion and institute State being connected by the first fastener for the flange convex shoulder of drive shaft;The second connecting portion passes through second with the 3rd connecting portion Fastener connects.
Preferably, the hemispherical copper conductor includes the first copper conductor and the second copper conductor, and first copper conductor is located at The medial surface of first hollow hemisphere shape main part of first conductor rotor;Second copper conductor is located at the second conductor rotor The second hollow hemisphere shape main part medial surface.
Preferably, the p-m rotor is made up of the first p-m rotor and the second p-m rotor;First p-m rotor The driven shaft is threadedly connected to, and is fastened with shaft end locking nut;Second p-m rotor passes through the 3rd fastener and institute Driven shaft is stated to link together.
Preferably, first p-m rotor and second p-m rotor include the hemisphere iron core made of soft iron, And it is arranged at the intracardiac permanent magnetic steel of the hemisphere;The hemisphere iron core is provided with permanent magnet trough, the permanent magnetic steel insertion In permanent magnet trough.
The beneficial effects of the utility model:The utility model takes full advantage of rotor sphere and is built in spherical rotor The magnet accumulating cap of tangential permanent magnetic magnet steel, using the teaching of the invention it is possible to provide bigger effective operating magnetic field flux, under the overall dimensions maintained like, energy Transmit higher moment of torsion;And the magnetic flux points to spherical air gap, the i.e. magnetic flux with radial direction along p-m rotor sphere, it may have axially Magnetic flux, the advantages of having tubular and desk permanent-magnet coupler concurrently.
Brief description of the drawings
Fig. 1 is the sectional view for the permanent magnetic coupling that the utility model fixes air gap.
Fig. 2 is the permanent magnetic coupling p-m rotor schematic diagram that the utility model fixes air gap.
In figure:Drive shaft 1-1;Driven shaft 1-2;First fastener 2-1;Second fastener 2-2;3rd fastener 2-3;Axle Hold locking nut 3;First p-m rotor 4-1;First p-m rotor 4-2;Spherical conductor rotor 5-1;First hollow hemisphere shape master Body portion 5-1-1;First connecting portion 5-1-2;Second connecting portion 5-1-3;Spherical conductor rotor 5-2;Second hollow hemisphere shape main body Portion 5-2-1;3rd connecting portion 5-2-2;Copper conductor 6-1;Copper conductor 6-2;Permanent magnet trough 7;Permanent magnetic steel 8;Spherical gap 9;Method Blue convex shoulder 10.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1 to Figure 2, the spherical permanent magnetic coupling for a kind of fixed air gap that the utility model embodiment provides, bag Include drive shaft 1-1 and driven shaft 1-2;The conductor rotor being connected on the right side of the drive shaft 1-1;It is arranged in the driven shaft 1-2 The p-m rotor in outside;The conductor rotor has a spherical chamber, and the p-m rotor is located in the spherical chamber;It is described The medial surface of conductor rotor posts copper conductor, the copper conductor and the p-m rotor it is cylindrical between pass through the spherical phase of air gap 9 Separate.
The conductor rotor is made up of the first conductor rotor 5-1 and the second conductor rotor 5-2.
The first conductor rotor 5-1 includes the first hollow hemisphere shape main part 5-1-1, by the first hollow hemisphere shape main body The first connecting portion 5-1-2 that the centre position of portion 5-1-1 outer wall stretches out;By the first hollow hemisphere shape main part 5-1-1 Outer wall and a section the second connecting portion 5-1-3 that stretches out of junction.
The second conductor rotor 5-2 includes the second hollow hemisphere shape main part 5-2-1;By the second hollow hemisphere shape main body The 3rd connecting portion 5-2-2 that the junction of portion 5-2-1 outer wall and a section stretches out.
The first hollow hemisphere shape main part 5-1-1 and the second hollow hemisphere shape main part 5-2-1 surrounds described spherical Chamber.The first connecting portion 5-1-2 is connected with the flange convex shoulder 10 of the drive shaft 1-1 by the first fastener 2-1, will The drive shaft 1-1 connects with the first conductor rotor 5-1.The second connecting portion 5-1-3 is connected with the described 3rd Portion 5-2-2 is connected the first conductor rotor 5-1 with the second conductor rotor 5-2 by the second fastener 2-2 connections Get up.
The hemispherical copper conductor includes the first copper conductor 6-1 and the second copper conductor 6-2, the first copper conductor 6-1 positions In the first hollow hemisphere shape main part 5-1-1 of the first conductor rotor 5-1 medial surface;The second copper conductor 6-2 positions In the second conductor rotor 5-2 the second hollow hemisphere shape main part 5-2-1 medial surface.
The p-m rotor is made up of the first p-m rotor 4-1 and the second p-m rotor 4-2.The first p-m rotor 4- 1 is threadedly connected to the driven shaft 1-2, and is fastened with shaft end locking nut 3.The second p-m rotor 4-2 is tight by the 3rd Firmware 2-3 links together with driven shaft 1-2.The first fastener 2-1, the second fastener 2-2, the 3rd fastener 2-3 are One kind in bolt, screw or stud.
Between first p-m rotor 4-1 and the first copper conductor 6-1, the second p-m rotor 4-2 is led with second bronze medal The spherical air gap 9 is equipped between body 6-2.
The first p-m rotor 4-1 and the second p-m rotor 4-2 includes the hemisphere iron core made of soft iron, with And it is arranged at the intracardiac permanent magnetic steel 8 of the hemisphere.The hemisphere iron core is provided with permanent magnet trough 7, and the permanent magnetic steel 8 inserts In permanent magnet trough 7.The permanent magnet trough 7 and its internal permanent magnetic steel 8 are trapezium structure in hemisphere.The permanent magnetic steel 8 are magnetized using circumferential, and the magnetic pole distribution of permanent magnetic steel 8 is as shown in Figure 2.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.

Claims (6)

1. a kind of spherical permanent magnetic coupling of fixed air gap, including drive shaft and driven shaft;It is characterized in that:Also include being connected to Conductor rotor on the right side of the drive shaft (1-1);The p-m rotor being arranged on the outside of the driven shaft (1-2);The conductor turns Son has a spherical chamber, and the p-m rotor is located in the spherical chamber;The medial surface of the conductor rotor posts copper and led Body, the copper conductor and the p-m rotor it is cylindrical between be spaced by spherical air gap (9).
2. the spherical permanent magnetic coupling of fixed air gap according to claim 1, it is characterised in that:The conductor rotor includes First conductor rotor (5-1);First conductor rotor (5-1) includes the first hollow hemisphere shape main part (5-1-1), by first The first connecting portion (5-1-2) that the centre position of the outer wall of hollow hemisphere shape main part (5-1-1) stretches out;It is hollow by first The second connecting portion (5-1-3) that the outer wall of hemispherical main part (5-1-1) and the junction of a section stretch out.
3. the spherical permanent magnetic coupling of fixed air gap according to claim 2, it is characterised in that:The conductor rotor includes Second conductor rotor (5-2);Second conductor rotor (5-2) includes the second hollow hemisphere shape main part (5-2-1);By second The 3rd connecting portion (5-2-2) extended outside the outer wall of hollow hemisphere shape main part (5-2-1) and the junction of a section;Described One hollow hemisphere shape main part (5-1-1) and the second hollow hemisphere shape main part (5-2-1) surround the spherical chamber;Described One connecting portion (5-1-2) is connected with the flange convex shoulder (10) of the drive shaft (1-1) by the first fastener (2-1);It is described Second connecting portion (5-1-3) is connected with the 3rd connecting portion (5-2-2) by the second fastener (2-2).
4. the spherical permanent magnetic coupling of fixed air gap according to claim 3, it is characterised in that:The hemispherical copper conductor Including the first copper conductor (6-1) and the second copper conductor (6-2), first copper conductor (6-1) is located at first conductor rotor The medial surface of the first hollow hemisphere shape main part (5-1-1) of (5-1);Second copper conductor (6-2) is located at the second conductor and turned The medial surface of the second hollow hemisphere shape main part (5-2-1) of sub (5-2).
5. the spherical permanent magnetic coupling of fixed air gap according to claim 3, it is characterised in that:The p-m rotor is by One p-m rotor (4-1) and the second p-m rotor (4-2) composition;First p-m rotor (4-1) be threadedly connected to it is described from Moving axis (1-2), and fastened with shaft end locking nut (3);Second p-m rotor (4-2) by the 3rd fastener (2-3) with The driven shaft (1-2) links together.
6. the spherical permanent magnetic coupling of fixed air gap according to claim 5, it is characterised in that:First p-m rotor It is unshakable in one's determination that (4-1) and second p-m rotor (4-2) include the hemisphere made of soft iron, and to be arranged at the hemisphere intracardiac Permanent magnetic steel (8);The hemisphere iron core is provided with permanent magnet trough (7), and the permanent magnetic steel (8) is inserted in permanent magnet trough (7) It is interior.
CN201720172883.3U 2017-02-25 2017-02-25 A kind of spherical permanent magnetic coupling of fixed air gap Expired - Fee Related CN206850655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720172883.3U CN206850655U (en) 2017-02-25 2017-02-25 A kind of spherical permanent magnetic coupling of fixed air gap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720172883.3U CN206850655U (en) 2017-02-25 2017-02-25 A kind of spherical permanent magnetic coupling of fixed air gap

Publications (1)

Publication Number Publication Date
CN206850655U true CN206850655U (en) 2018-01-05

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110739828A (en) * 2019-10-25 2020-01-31 山东大学 ball type permanent magnet coupling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110739828A (en) * 2019-10-25 2020-01-31 山东大学 ball type permanent magnet coupling

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180105

Termination date: 20190225