CN208433896U - It is a kind of to medium-sized permanent magnet clutch - Google Patents
It is a kind of to medium-sized permanent magnet clutch Download PDFInfo
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- CN208433896U CN208433896U CN201821134651.XU CN201821134651U CN208433896U CN 208433896 U CN208433896 U CN 208433896U CN 201821134651 U CN201821134651 U CN 201821134651U CN 208433896 U CN208433896 U CN 208433896U
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- permanent magnet
- suspension
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Abstract
This patent is related to a kind of to medium-sized permanent magnet clutch, is mainly made of internal rotor flange shaft sleeve, magnetic coupling ontology, outer rotor flange shaft sleeve.The magnetic attraction coupling for the permanent magnetic steel N-S magnetic pole that magnetic coupling ontology in this patent is arranged by interior p-m rotor and outer p-m rotor, so that the permanent magnet clutch can transmit torque, permanent magnet suspension magnet steel is separately provided in magnetic coupling ontology simultaneously and passes through the effect of the mutually exclusive power of N-N magnetic pole or S-S magnetic pole, so that two p-m rotors are radial or radial and are axially in magnetic suspension state, it ensure that the relative homogeneity of Radial Coupling magnet steel air gap, and solve two p-m rotors because of rigging error, installation error, the factors such as unbalance stress are installed and may cause the eccentric technical problem being attached together.
Description
Technical field
This patent is related to technical field of mechanical transmission, and in particular, to a kind of to medium-sized permanent magnet clutch.
Background technique
Precise alignment, vibration isolation and damping effect is good, later maintenance workload is small, structure because being not necessarily to when its installation for permanent magnetic coupling
Simply, it is suitable for the characteristics such as various bad working environments, is just applied in machine driven system more and more.Synchronous permanent-magnet shaft coupling
Device is mainly made of active p-m rotor and driven p-m rotor, again includes tray type structure and core structure.
Tray type structure permanent magnet clutch axial force is larger, in order to avoid generating additional axial force after installation, generally more
Using core structure, i.e. two p-m rotors radially participate in magnetic coupling, theoretically several piece active p-m rotor magnet steel and driven permanent magnetism
The N-S magnetic pole suction of rotor magnetic steel is equal in magnitude, is with joint efforts zero, i.e. two rotors are in " magnetic pull equilibrium state ", but due to adding
The factors such as work, rigging error, in-site installation error, the magnetic coupling air gap of two p-m rotors not uniformity, certainly will have gas
That is, there is certain magnetic biasing heart suction in the difference of gap size, when two p-m rotors are attached together, scene is often difficult to point
From leading to not install and use.In order to avoid two p-m rotor bias are adsorbed onto together when in-site installation, need to apply two rotors
Add certain constraint.
Chinese invention patent (Authorization Notice No.: CN104038020B) discloses a kind of permanent magnet coupling shaft coupling and protects from centering
Protection unit, the device pass through cone match during installation and position to two p-m rotors, pack into locating cone after being installed
Row displacement guarantees the non-contact torque transmitting of two p-m rotors.But the positioning tapered sleeve in this structure only makes when installing positioning
With positioning after the completion still needs to that it is fixed, and which increase component number and weight, structure is complex.Meanwhile it is fixed fixed
The quantity of screw needed for the tapered sleeve of position is more, and never allows the fasteners such as several screws to be installed in cantilever fashion when high speed rotation
Far from the centre of gyration.Therefore, although this structure can position two rotor of synchronous permanent-magnet shaft coupling, structure is complicated,
Installation effectiveness is low, and security reliability is not high, and there are some potential safety problemss.
Utility model content
The technical problem to be solved is that overcome two permanent magnetism existing for synchronous permanent-magnet shaft coupling in the prior art to turn for this patent
Sub eccentric absorption and centering problem.
For this purpose, this patent provide it is a kind of to medium-sized permanent magnet clutch, including internal rotor flange shaft sleeve, magnetic coupling ontology and
Outer rotor flange shaft sleeve, the magnetic coupling ontology are the magnetic coupling transmission and magnetic coupling for including interior p-m rotor Yu outer p-m rotor
Floating parts, the interior p-m rotor include internal rotor carrier, internal rotor suspension magnet steel and internal rotor permanent-magnetic magnet steel, it is described it is outer forever
Magnet rotor includes outer rotor carrier, outer rotor suspension magnet steel, external rotor permanent magnet magnet steel；Wherein, the internal rotor permanent-magnetic magnet steel, interior
Rotor suspension magnet steel is arranged on internal rotor carrier periphery, and the external rotor permanent magnet magnet steel, the setting of outer rotor suspension magnet steel are outside
In rotor carrier inner circumferential, internal rotor permanent-magnetic magnet steel is diametrically arranged with external rotor permanent magnet magnet steel, internal rotor permanent-magnetic magnet steel and outer
There are air gap between rotor permanent magnet magnet steel, internal rotor suspension magnet steel is diametrically arranged with outer rotor suspension magnet steel, and internal rotor is outstanding
There are air gaps between floating magnet steel and outer rotor suspension magnet steel.
Preferably, the external rotor permanent magnet magnet steel and the internal rotor permanent-magnetic magnet steel are arranged in outer rotor carrier and interior
The middle part of rotor carrier, magnetic circuit is alternately arranged using N-S magnetic pole or Halbach array structure, constitutes magnetic coupling transmission part.
Preferably, the outer rotor suspension magnet steel is arranged in the both ends of the outer rotor carrier inner circumferential, and the internal rotor is outstanding
Floating magnet steel is arranged in the both ends of the internal rotor carrier inner circumferential, constitutes magnetic coupling floating parts.
Preferably, the outer rotor suspension magnet steel is arranged in the axial sides of the outer rotor magnet steel, and the internal rotor is outstanding
Floating magnet steel is arranged in the axial sides of the internal rotor magnetic steel, constitutes magnetic coupling floating parts.
Preferably, the magnetic circuit that internal rotor suspension magnet steel and outer rotor suspension magnet steel are formed uses N-N magnetic pole or S-S magnetic pole knot
Structure.
Preferably, internal rotor suspension magnet steel and outer rotor suspension magnet steel are axially horizontally disposed with, between the two radially
It is positioned opposite, make between the two by the magnetic repulsion of N-N magnetic pole or S-S magnetic pole in radial suspension state.
Preferably, internal rotor suspension magnet steel and outer rotor suspension magnet steel are obliquely installed to axial, between the two parallel cloth
It sets, makes between the two by the magnetic repulsion of N-N magnetic pole or S-S magnetic pole in radial and axial suspended state.
Preferably, the outer rotor carrier can be split type structure, including suspend two outer rotors are respectively set
Two outer rotor suspension magnet steel carrier portions of magnet steel, and the external rotor permanent magnet magnet steel carrier portion of setting external rotor permanent magnet magnet steel,
External rotor permanent magnet magnet steel carrier location is between two outer rotor suspension magnet steel carrier portions.
It preferably, is rigid connection between external rotor permanent magnet magnet steel carrier portion and two outer rotor suspension magnet steel carrier portions.
Preferably, internal rotor flange shaft sleeve and internal rotor carrier, outer rotor flange shaft sleeve and outer rotor carrier are all made of tightly
Firmware connection.
Through the above technical solutions, this patent has the following technical effect that:
1, the magnetic coupling ontology in this patent is passed because the magnetic attraction of interior p-m rotor and the N-S magnetic pole of outer p-m rotor couples
Movement is used, so that two p-m rotors are combined by permanent-magnet.P-m rotor, outer p-m rotor axial sides in simultaneously
The permanent magnet suspension magnet steel of arrangement is by the effect of the mutually exclusive power of N-N magnetic pole or S-S magnetic pole, so that two p-m rotor radial directions or diameter
It is in magnetic suspension state to axial, the relative homogeneity of Radial Coupling magnet steel air gap is ensure that, solves two p-m rotors
It may cause the eccentric technical problem being attached together because of factors such as rigging error, installation error, installation unbalance stress.
2, internal rotor flange shaft sleeve, outer rotor flange shaft sleeve and magnetic are used to medium-sized permanent magnet clutch described in this patent
The seperated connection for coupling ontology, that is, use two-flange shaft nested structure, and when installation can be first each by internal rotor axle sleeve or outer rotor axle sleeve
Self installation later again couples two-flange shaft set, installation and removal in drive shaft or bearing shaft with magnetic coupling ontology respectively
It is convenient, problem of demagnetizing caused by percussion when avoiding installation to the heating of intermediate magnetic coupling portion point and acutely.
3, should be to medium-sized permanent magnet clutch, in terms of existing technologies, structural refinement be small in size, light-weight, safety
Reliably, long service life, it is good in economic efficiency.
Other feature and advantage of this patent will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to this patent, and constitute part of specification, with following tool
Body embodiment is used to explain this patent together, but does not constitute the limitation to this patent.In the accompanying drawings:
Fig. 1 is the structure and magnetic circuit schematic diagram from a kind of preferred embodiment to medium-sized permanent magnet clutch of this patent.
Fig. 2 is the structure and magnetic circuit schematic diagram from another preferred embodiment to medium-sized permanent magnet clutch of this patent.
Fig. 3 is this patent to a kind of medium-sized permanent magnet clutch optionally magnetic circuit schematic cross-section.
Fig. 4 is this patent to medium-sized permanent magnet clutch optionally another magnetic circuit schematic cross-section.
Description of symbols
1, internal rotor flange shaft sleeve；2, internal rotor carrier；3,8, internal rotor suspension magnet steel；4,7, outer rotor suspension magnet steel；
5, external rotor permanent magnet magnet steel；6, internal rotor permanent-magnetic magnet steel；9, outer rotor carrier；10, outer rotor flange shaft sleeve.
Specific embodiment
Specific implementation of the patent mode is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining this patent, is not limited to this patent.
In this patent, in the absence of explanation to the contrary, the noun of locality used such as "outside" typically refers to as shown in Figure 1
The direction for being radially away from axis, the noun of locality used such as "inner" typically refers to as shown in Figure 1 radially close to the direction of axis.
Embodiment one
As shown in Figure 1, should be certainly to medium-sized permanent magnet clutch mainly by internal rotor flange shaft sleeve 1, magnetic coupling ontology, outer rotor
Flange shaft sleeve 10 forms, wherein magnetic coupling ontology is the magnetic coupling part being made of interior p-m rotor and outer p-m rotor；Forever inside
Magnet rotor includes internal rotor carrier 2, internal rotor suspension magnet steel 3,8 and internal rotor permanent-magnetic magnet steel 6 again；Outer p-m rotor includes outer again
Rotor carrier 9, outer rotor suspension magnet steel 4,7 and external rotor permanent magnet magnet steel 5.
External rotor permanent magnet magnet steel 5 and internal rotor permanent-magnetic magnet steel 6 are arranged in outer rotor carrier 9 and internal rotor carrier 2
Portion, magnetic circuit is alternately arranged using N-S magnetic pole or Halbach array structure, constitutes magnetic coupling transmission part, two rotor permanent magnet magnet steel
Between there are air gaps, transmit torque and revolving speed by magnetic attraction.
Outer rotor suspension magnet steel 4,7 and internal rotor suspension magnet steel 3,8 are arranged in outer rotor carrier 9 and internal rotor carrier
2 both ends, two rotor magnetic circuits all use N-N or S-S field structure, so that two p-m rotors are in magnetic repulsion suspended state.
There are air gaps between outer rotor suspension magnet steel and internal rotor suspension magnet steel, constitute magnetic coupling floating parts.
Internal rotor flange shaft sleeve 1 and internal rotor carrier 2, outer rotor flange shaft sleeve 10 and outer rotor carrier 9 are all made of bolt
Equal fasteners are attached.
Wherein, external rotor permanent magnet magnet steel 5 and internal rotor permanent-magnetic magnet steel 6 are arranged in outer rotor carrier 9 and internal rotor carries
2 middle part of body, is provided with air gap between the two, is coupled by N-S magnetic pole magnetic attraction to transmit torque.Outer rotor suspension magnet steel 4,7
2 both ends of outer rotor carrier 9 and internal rotor carrier are arranged in internal rotor suspension magnet steel 3,8, diametrically opposite arrangement relies on
The magnetic repulsion of N-N or S-S magnetic pole makes two p-m rotors be in radial suspension state.
Fig. 3, Fig. 4 are this patent optionally from the magnetic circuit schematic cross-section to medium-sized permanent magnet clutch.Wherein left figure be it is interior,
The magnetic circuit schematic cross-section of external rotor permanent magnet magnet steel, right figure are the magnetic circuit schematic cross-section of inner and outer Rotator suspension magnet steel.
Fig. 4 is this patent to medium-sized permanent magnet clutch optionally another magnetic circuit schematic cross-section.
Embodiment two
This patent have it is another preferred to medium-sized permanent magnet clutch, as shown in Fig. 2, in its structure with embodiment one
Difference is that outer rotor suspension magnet steel 4,7 and internal rotor suspension magnet steel 3,8 are arranged in outer rotor carrier 9 and internal rotor carrier
2 both ends, and two rotor magnetic steels are tilted a certain angle parallel arrangement, by the magnetic repulsion of the pole N-N or S-S magnetic pole two permanent magnetism are turned
Son is in radial and axial suspended state.
Embodiment three
This patent has another preferred to medium-sized permanent magnet clutch, wherein outer rotor carrier is split type structure, packet
Include two outer rotor suspension magnet steel carrier portions two outer rotor suspension magnet steel are respectively set, and setting external rotor permanent magnet
The external rotor permanent magnet magnet steel carrier portion of magnet steel, external rotor permanent magnet magnet steel carrier location in two outer rotor suspension magnet steel carrier portions it
Between, it is rigid connection between external rotor permanent magnet magnet steel carrier portion and two outer rotor suspension magnet steel carrier portions, forms integral structure.
The preferred embodiment of this patent is described in detail in conjunction with attached drawing above, still, this patent is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of this patent, a variety of letters can be carried out to the technical solution of this patent
Monotropic type, these simple variants belong to the protection scope of this patent.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, this patent to it is various can
No further explanation will be given for the combination of energy.
Claims (10)
1. a kind of to medium-sized permanent magnet clutch, it is characterised in that: should include certainly internal rotor flange shaft to medium-sized permanent magnet clutch
Set, magnetic coupling ontology and outer rotor flange shaft sleeve, the magnetic coupling ontology are the magnetic for including interior p-m rotor Yu outer p-m rotor
Coupled drive and magnetic coupling floating parts, the interior p-m rotor include internal rotor carrier, internal rotor suspension magnet steel and internal rotor
Permanent magnetic steel, the outer p-m rotor include outer rotor carrier, outer rotor suspension magnet steel and external rotor permanent magnet magnet steel；Wherein, institute
State internal rotor permanent-magnetic magnet steel, internal rotor suspension magnet steel is arranged on internal rotor carrier periphery, the external rotor permanent magnet magnet steel, outer turn
Sub- suspension magnet steel is arranged in outer rotor carrier inner circumferential, and internal rotor permanent-magnetic magnet steel is diametrically arranged with external rotor permanent magnet magnet steel,
There are air gap between internal rotor permanent-magnetic magnet steel and external rotor permanent magnet magnet steel, internal rotor suspension magnet steel and outer rotor suspension magnet steel are radial
It is oppositely arranged, there are air gaps between internal rotor suspension magnet steel and outer rotor suspension magnet steel.
2. as described in claim 1 a kind of to medium-sized permanent magnet clutch, it is characterised in that: the external rotor permanent magnet magnet steel with
The internal rotor permanent-magnetic magnet steel is arranged in the middle part of outer rotor carrier and internal rotor carrier, and magnetic circuit is replaced using N-S magnetic pole
Arrangement or Halbach array structure constitute magnetic coupling transmission part.
3. as described in claim 1 a kind of to medium-sized permanent magnet clutch, it is characterised in that: the outer rotor suspension magnet steel cloth
It sets at the both ends of the outer rotor carrier inner circumferential, the internal rotor suspension magnet steel is arranged in the two of the internal rotor carrier inner circumferential
End constitutes magnetic coupling floating parts.
4. as described in claim 1 a kind of to medium-sized permanent magnet clutch, it is characterised in that: the outer rotor suspension magnet steel cloth
The axial sides in the outer rotor magnet steel are set, the internal rotor suspension magnet steel is arranged in axial the two of the internal rotor magnetic steel
Side constitutes magnetic coupling floating parts.
5. as described in claim 3 or 4 a kind of to medium-sized permanent magnet clutch, it is characterised in that: internal rotor suspension magnet steel and
The magnetic circuit that outer rotor suspension magnet steel is formed uses N-N magnetic pole or S-S field structure.
6. as claimed in claim 5 a kind of to medium-sized permanent magnet clutch, it is characterised in that: internal rotor suspension magnet steel and outer turn
Sub- suspension magnet steel is axially horizontally disposed with, between the two diametrically opposed arrangement, is denounceed by the magnetic of N-N magnetic pole or S-S magnetic pole
Power makes between the two in radial suspension state.
7. as claimed in claim 5 a kind of to medium-sized permanent magnet clutch, it is characterised in that: internal rotor suspension magnet steel and outer turn
Sub- suspension magnet steel is obliquely installed to axial, is arranged in parallel between the two, and the magnetic repulsion by N-N magnetic pole or S-S magnetic pole makes
It is in radial and axial suspended state between the two.
8. as claimed in claims 6 or 7 a kind of to medium-sized permanent magnet clutch, it is characterised in that: the outer rotor carrier can
Think split type structure, including two outer rotor suspension magnet steel carrier portions two outer rotor suspension magnet steel are respectively set,
And the external rotor permanent magnet magnet steel carrier portion of setting external rotor permanent magnet magnet steel, external rotor permanent magnet magnet steel carrier location is in outside two turns
Between sub- suspension magnet steel carrier portion.
9. as claimed in claim 8 a kind of to medium-sized permanent magnet clutch, it is characterised in that: external rotor permanent magnet magnet steel carrier portion
It is rigid connection between two outer rotor suspension magnet steel carrier portions.
10. such as claim 1-4,6,7,9 is described in any item a kind of to medium-sized permanent magnet clutch, it is characterised in that: interior
Rotor flange axle sleeve is all made of fastener with outer rotor carrier and connect with internal rotor carrier, outer rotor flange shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821134651.XU CN208433896U (en) | 2018-07-17 | 2018-07-17 | It is a kind of to medium-sized permanent magnet clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821134651.XU CN208433896U (en) | 2018-07-17 | 2018-07-17 | It is a kind of to medium-sized permanent magnet clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208433896U true CN208433896U (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821134651.XU Active CN208433896U (en) | 2018-07-17 | 2018-07-17 | It is a kind of to medium-sized permanent magnet clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208433896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696097A (en) * | 2018-07-17 | 2018-10-23 | 江苏磁谷科技股份有限公司 | It is a kind of to medium-sized permanent magnet clutch |
| CN109889016A (en) * | 2019-03-11 | 2019-06-14 | 三峡大学 | A kind of high torque density magnetic-gear of non-homogeneous air gap |
| 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 |
-
2018
- 2018-07-17 CN CN201821134651.XU patent/CN208433896U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696097A (en) * | 2018-07-17 | 2018-10-23 | 江苏磁谷科技股份有限公司 | It is a kind of to medium-sized permanent magnet clutch |
| CN109889016A (en) * | 2019-03-11 | 2019-06-14 | 三峡大学 | A kind of high torque density magnetic-gear of non-homogeneous air gap |
| 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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