CN209516899U - A kind of magnetic coupling with conical surface location structure - Google Patents
A kind of magnetic coupling with conical surface location structure Download PDFInfo
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- CN209516899U CN209516899U CN201821910353.5U CN201821910353U CN209516899U CN 209516899 U CN209516899 U CN 209516899U CN 201821910353 U CN201821910353 U CN 201821910353U CN 209516899 U CN209516899 U CN 209516899U
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- conical surface
- magnetic coupling
- tapered sleeve
- location structure
- screw
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Abstract
A kind of magnetic coupling with conical surface location structure, the inside and outside p-m rotor of magnetic coupling is subjected to substantially roughly coaxial positioning by conical surface location structure, after shaft coupling is installed between drive shaft and bearing shaft, again to the identical outer rotor carrier of outer diameter and positioning tapered sleeve precise alignment centering, tapered sleeve will be positioned by the effect of supporting screw later to move axially at preset distance to postive stop baffle, accurately control conical surface gap, guarantee the uniformity of magnetic coupling air gap, and axial locking is carried out to tapered sleeve by lock-screw, so that conical surface gap is less than magnetic coupling air gap, realize non-contact magnetic coupling transmission.Positioning tapered sleeve is fixed by way of " drawing on a top one ", and pass through postive stop baffle axially position, can effectively prevent factor supporting screw will position tapered sleeve ejection positioning tapered sleeve deformation caused by inconsistent, reduce unbalancing value when rotation, nut is provided in supporting screw and lock-screw simultaneously, for locking, positioning fixed form is relatively reliable.
Description
Technical field
This patent is related to technical field of mechanical transmission, and in particular, to a kind of magnetic coupling with conical surface location structure.
Background technique
Synchronous magnetic coupling (or permanent magnet clutch) is mainly made of active p-m rotor and driven p-m rotor, according to
Structure is divided into tray type structure and core structure again, and tray type structure magnetic coupling is because there are axial forces, in order to avoid producing after installation
Raw additional axial force, so generally using core structure, i.e. two p-m rotors radially participate in magnetic coupling, theoretically several piece permanent-magnet magnetic
The N-S magnetic pole suction of steel is equal in magnitude, is with joint efforts zero, i.e. two rotors are in " magnetic pull equilibrium state ", but due to processing, assembling
The factors such as error, in-site installation error, the magnetic coupling air gap of two p-m rotors not uniformity, certainly will have size of gaps
That is, there is certain magnetic biasing heart suction in difference, when two p-m rotors are attached together, scene is often difficult to separate, and cause
It can 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 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, guarantee that two p-m rotors will not adsorb
Together.But this structure has certain problems: first, due to the presence of angular installation error, drive during the installation process
Axis and bearing shaft can not completely on the same axis, therefore the cone match certainly will have gap in a circumferential direction, this structure
Though can guarantee that two p-m rotors will not be attached together during the installation process, simultaneously inconvenient angular centering；Second, in the patent
When the outer cone interplanting is axially displaced, axial limit structure is had no, external conical sleeve is ejected respectively by more screws, do not can guarantee
Axial displacement it is accurate, inner magnet coupling gap value is unknown in addition, and conical surface gap width size is inconvenient to control, and easily leads to external conical sleeve
Deformation, the error of centralization are uncontrollable；The problems such as third, there are volumes for the structure greatly, heavy, installation effectiveness is low, such as interior p-m rotor
It need to be set as the double-sleeve structure with inner and outer sleeves.Therefore, although this structure can prevent synchronous two permanent magnetism of magnetic coupling
Rotor is attached together, but there are centerings it is inconvenient, unreliable, installation effectiveness is low, element structure is complicated, volume is big the problems such as.
Utility model content
The technical problem to be solved is that overcome two p-m rotors existing for magnetic coupling in the prior art inclined for this patent
Heart absorption and centering problem.
For this purpose, this patent provides a kind of magnetic coupling with conical surface location structure, which includes detachable
The outer rotor axle sleeve and outer rotor of connection, periphery are fixed with the internal rotor axle sleeve of internal rotor permanent-magnetic magnet steel, and outer rotor includes outer turns
Subcarrier and the external rotor permanent magnet magnet steel for being secured within week, the magnetic coupling have conical surface location structure, conical surface positioning
Structure includes being fixed on inner rotor shaft set to position tapered sleeve, and locating cone set has inner conical surface, which further includes
The male cone (strobilus masculinus) having on outer rotor carrier is positioned to be formed between the inner conical surface of tapered sleeve and the male cone (strobilus masculinus) of outer rotor carrier and separably be bored
Face cooperation.
Preferably, internal rotor axle sleeve periphery has integrally formed radial flange flange, and the end face of radial flange flange is solid
A fixed postive stop baffle, positioning tapered sleeve can axially move to against postive stop baffle.
Preferably, for internal rotor axle sleeve by the integrally formed former stationary positioned tapered sleeve in its periphery, the periphery diameter of former is big
In the periphery diameter of radial flange flange.
Preferably, magnetic coupling further includes supporting screw and lock-screw, and locating cone, which is put on, to be provided with for supporting screw
The threaded hole of installation and the unthreaded hole installed for lock-screw use thread connection between one end and positioning tapered sleeve of supporting screw,
It is connected between one end of lock-screw and the former of internal rotor axle sleeve, the other end of supporting screw and lock-screw is provided with spiral shell
It is female.
Preferably, position is clearance fit between tapered sleeve and the radial flange flange of internal rotor axle sleeve.
Preferably, it positions and meets between axial movement distance L, conical surface gap A and the frustoconical bevel angle α of tapered sleeve:
Wherein, the value range of L is 10~20mm；The value range of frustoconical bevel angle α is 0~25 °；
The value range of magnetic coupling air gap B between two rotor permanent magnet magnet steel is 3~7mm；Conical surface gap A and magnetic coupling
Meet between air gap B: A < B, i.e. conical surface gap are less than magnetic coupling air gap.
Preferably, thread connection or rigid attachment are used between one end of lock-screw and the former of internal rotor axle sleeve.
Preferably, outer rotor axle sleeve is detachably coupled with the outer rotor carrier of outer rotor by bolt.
Preferably, postive stop baffle is by fastening screw against the end face for being fixed on radial flange flange.
Preferably, the outer diameter for positioning tapered sleeve is identical as the outer diameter of outer rotor carrier.
Preferably, the periphery of outer rotor carrier has a radial flange, positions the outer diameter and the radial flange outer diameter of tapered sleeve
It is equal.
Preferably, outer rotor axle sleeve is installed on drive shaft, and internal rotor axle sleeve is installed on bearing shaft, and vice versa.
Through the above technical solutions, this patent has the following technical effect that:
1, the conical surface that the magnetic coupling with conical surface location structure in this patent passes through positioning tapered sleeve and outer rotor carrier
Cooperation, so that external rotor permanent magnet magnet steel and the magnetic-coupled air gap of internal rotor permanent-magnetic magnet steel are relatively equal in a pre-installation for magnetic coupling
It is even, therefore solve two p-m rotors and cause bias to be adsorbed on because of factors such as rigging error, installation error, installation unbalance stress
Problem together.
2, due to identical as the positioning outer diameter setting of tapered sleeve at the maximum periphery of outer rotor carrier, magnetic force shaft coupling in this patent
During the installation process, the radial alignment for being highly convenient for magnetic coupling by outer circle by the tool cards such as ruler or knife ruler is (coaxial for device
Degree) it adjusts, it is easy to operate, greatly save the set-up time.
3, the magnetic coupling with conical surface location structure in this patent is installed on drive shaft and bearing shaft and completes centering
After operation, tapered sleeve will be positioned by the effect of supporting screw and moved axially at preset distance to postive stop baffle, cone is accurately controlled
Face gap, so that conical surface gap is less than magnetic coupling air gap, to protect magnet steel.Especially, by the way that postive stop baffle is arranged, can effectively prevent
Only factor supporting screw will position tapered sleeve ejection and position caused by inconsistent the deformation of tapered sleeve, when reducing rotation
Unbalance dynamic ensure that the fault-free long-life operation of shaft coupling, safety and good economy performance.
4, several supporting screws and lock-screw, lock-screw and inner rotor shaft are provided on locating cone set in this patent
It covers flange flange and uses thread connection or rigid attachment, fixed positioning tapered sleeve by way of " drawing on a top one ", and pass through limit
Position baffle axially position, is provided with nut in supporting screw and lock-screw at the same time, and for locking, positioning fixed form is more
Add reliable.
5, the magnetic coupling with conical surface location structure of this patent compared with the existing technology for, have small in size, again
Measure light, compact-sized, easy to assembly, safe and reliable advantage.
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 structural schematic diagram of the magnetic coupling of this patent embodiment one.
Fig. 2 is the schematic diagram after the magnetic coupling of this patent embodiment one is installed.
Fig. 3 is the structural schematic diagram of the magnetic coupling of this patent embodiment two.
Fig. 4 is the structural schematic diagram of the magnetic coupling of this patent embodiment three.
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.
Embodiment one
As shown in Figure 1, 2, the magnetic coupling with conical surface location structure is mainly outer by detachably being coupled by bolt 2
Rotor axle sleeve 1 and outer rotor carrier 3, positioning tapered sleeve 4, internal rotor axle sleeve 7, supporting screw 6, postive stop baffle 9, lock-screw 10,
The composition such as external rotor permanent magnet magnet steel 11, internal rotor permanent-magnetic magnet steel 12, wherein outer rotor carrier 3 has male cone (strobilus masculinus) and positioning tapered sleeve 4
Inner conical surface formed cone match；Internal rotor axle sleeve 7 has radial flange flange 72, is used for stationary positioned tapered sleeve 4；Postive stop baffle
9 are installed on the end face of the radial flange flange 71 of internal rotor axle sleeve 7.It is equably machined on positioning tapered sleeve 4 and pacifies for supporting screw 6
The threaded hole of dress and the unthreaded hole installed for lock-screw 10.Thread connection, locking are used between supporting screw 6 and positioning tapered sleeve 4
Thread connection or rigid attachment are used between screw 10 and the former 72 of internal rotor axle sleeve 7, and screw thread glue connection is such as added using screw thread,
Or welding.
Wherein, positioning tapered sleeve 4 is fixed on internal rotor axle sleeve 7, has inner conical surface, the male cone (strobilus masculinus) with outer rotor carrier 3
Cone match is formed, while the outer diameter for positioning tapered sleeve 4 is identical as the outer diameter of outer rotor carrier 3.Position tapered sleeve 4 and internal rotor axle sleeve
It is clearance fit between 7 radial flange flange 71, positions axial movement distance L, conical surface gap A and the frustoconical bevel angle α of tapered sleeve 4
Between meet:
Wherein, the value range of L is 10~20mm；
The value range of frustoconical bevel angle α is 0~25 °；
In addition, meeting between conical surface gap A and magnetic coupling air gap B: A < B, wherein the value range of magnetic coupling air gap B be
3~7mm, i.e. conical surface gap are less than magnetic coupling air gap, guarantee magnet steel without mechanical Contact Transmission.
Wherein, the supporting screw 6 positioned on tapered sleeve 4 is more screws being uniformly arranged, and can preferentially select interior hexagonal flush end
Holding screw, and it is matched equipped with nut, and the length of screw is revolved with positioning after tapered sleeve 4 moves at postive stop baffle 9 convenient for nut
It is combined into preferably.The lock-screw 10 positioned on tapered sleeve 4 is more screws being uniformly arranged, convex with the radial flange of internal rotor axle sleeve 7
Thread connection or rigid attachment are used between edge 72.Lock-screw can preferentially select interior hexagonal flush end holding screw or fluting tightening
Screw, and it is matched equipped with nut, and the length of screw is advisable with positioning tapered sleeve 4 and moving to screw at postive stop baffle 9 convenient for nut.
Postive stop baffle 9 is installed on the end face of the radial flange flange 71 of internal rotor axle sleeve by fastening screw 8.
Wherein, external rotor permanent magnet magnet steel and internal rotor permanent-magnetic magnet steel are arranged in outer rotor carrier and internal rotor axle sleeve
On, magnetic circuit is alternately arranged using N-S magnetic pole or Halbach array structure, and there are air gap B between two rotor permanent magnet magnet steel, relies on
Magnetic attraction transmits torque and revolving speed.
The assembling process of the magnetic coupling with conical surface location structure is as follows: first, by outer rotor axle sleeve from outer rotor
It is dismantled on carrier, outer rotor axle sleeve is installed on drive shaft or bearing shaft；Second, internal rotor axle sleeve is installed on bearing shaft or drive
Moving axis, outer rotor carrier, internal rotor axle sleeve, positioning each component such as tapered sleeve and inside and outside permanent magnetic steel are combined by magnetic coupling at this time
Magnetic coupling ontology is constituted together, i.e., magnetic coupling ontology is installed on bearing shaft or drive shaft；Outer rotor axle sleeve is cooperateed with and is driven by third
Moving axis or bearing shaft are coupled with magnetic coupling ontology；4th, magnetic coupling installation is adjusted in, by ruler or
Knife ruler blocks by outer rotor carrier simultaneously and positions the external cylindrical surface of tapered sleeve, carries out concentricity adjustment to drive shaft and bearing shaft；The
Five, locating cone is covered and carries out conical surface lock out operation, had nut at disassembly supporting screw and lock-screw, by several supporting screws
It screws in, positioning tapered sleeve is just ejected according to preset distance L to progress axially position at postive stop baffle, is positioned tapered sleeve at this time and is turned with outer
Subcarrier forms conical surface gap A, then locks all nuts, forms the coupling mechanism force inwardly drawn, so far, outer turn of magnetic coupling
Son thoroughly realizes non-contact transmission with internal rotor, installs, as shown in Figure 2.
The magnetic coupling with conical surface location structure of this patent passes through conical surface location structure for magnetic coupling before installation
Inside and outside p-m rotor carry out substantially roughly coaxial positioning, prevent magnetic coupling bias to be attached together, be installed on to shaft coupling
After between drive shaft and bearing shaft, then the identical outer rotor carrier of outer diameter and positioning tapered sleeve are blocked by installation tool (such as knife ruler)
Precise alignment centering is carried out by outer circle, the effect for passing through supporting screw later will position tapered sleeve and move axially preset distance to limit
At baffle, conical surface gap is accurately controlled, guarantees the uniformity of magnetic coupling air gap, and carry out axially to tapered sleeve by lock-screw
Locking realizes non-contact magnetic coupling transmission so that conical surface gap is less than magnetic coupling air gap.It will by way of " drawing on a top one "
Positioning tapered sleeve is fixed, and by postive stop baffle axially position, can effectively prevent factor supporting screw will position tapered sleeve ejection away from
From positioning tapered sleeve deformation caused by inconsistent, unbalancing value when rotation is reduced, while in supporting screw and locking screw
Nail is provided with nut, and for locking, positioning fixed form is relatively reliable.
Embodiment two
This patent has another preferred magnetic coupling, as shown in figure 3, the difference in its structure with embodiment one exists
There is a radial flange 31' in the periphery of outer rotor carrier 3', the outer diameter for positioning tapered sleeve 4' is equal with the radial flange outer diameter.
Embodiment three
This patent has another preferred magnetic coupling, as shown in figure 4, the difference of itself and previous embodiment is,
Its frustoconical bevel angle α is taken as 0, i.e., does not use tapered face fit structure, but in outer rotor carrier 3 " end face on setting one it is axial convex
Edge 31 ", correspondingly, in positioning tapered sleeve 4 " another axial ledge 41 is arranged on matched end face ".Position tapered sleeve 4 " outer diameter
With outer rotor carrier 3 " outer diameter it is equal.
Before installation, clearance fit is formed by the outer circle of outer rotor carrier and the inner hole of positioning tapered sleeve, to magnetic force shaft coupling
The outer rotor and internal rotor of device are positioned, and guarantee the uniformity of magnetic coupling air gap.In installation process, equally locating cone is packed into
Row is axially displaced, and the clearance fit size L1 of the inner hole formation of the outer circle and positioning tapered sleeve of outer rotor carrier is less than positioning tapered sleeve
Axial displacement distance L.
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 (12)
1. a kind of magnetic coupling with conical surface location structure, which includes the outer rotor axle sleeve detachably coupled
(1) and outer rotor, periphery are fixed with the internal rotor axle sleeve (7) of internal rotor permanent-magnetic magnet steel (12), and outer rotor includes outer rotor carrier
(3) and be secured within week external rotor permanent magnet magnet steel (11), it is characterised in that:
The magnetic coupling has conical surface location structure, which includes being fixed on internal rotor axle sleeve (7) to determine
Position tapered sleeve (4), positioning tapered sleeve (4) have inner conical surface, which further includes the outer cone having on outer rotor carrier (3)
Face positions and forms separably cone match between the inner conical surface of tapered sleeve (4) and the male cone (strobilus masculinus) of outer rotor carrier (3).
2. a kind of magnetic coupling with conical surface location structure as described in claim 1, it is characterised in that: internal rotor axle sleeve
(7) periphery has integrally formed radial flange flange (71), and a postive stop baffle is fixed in the end face of radial flange flange (71)
(9), positioning tapered sleeve (4) can axially move to against postive stop baffle (9).
3. a kind of magnetic coupling with conical surface location structure as claimed in claim 2, it is characterised in that: internal rotor axle sleeve
(7) by the integrally formed former in its periphery (72) stationary positioned tapered sleeve (4), it is convex that the periphery diameter of former (72) is greater than radial flange
The periphery diameter of edge (71).
4. a kind of magnetic coupling with conical surface location structure as claimed in claim 3, it is characterised in that: magnetic coupling is also
Including supporting screw (6) and lock-screw (10), position be provided on tapered sleeve (4) for supporting screw (6) installation threaded hole and
For the unthreaded hole of lock-screw (10) installation, thread connection, locking are used between one end and positioning tapered sleeve (4) of supporting screw (6)
Be connected between one end of screw (10) and the former (72) of internal rotor axle sleeve (7), supporting screw (6) and lock-screw (10) it is another
One end is provided with nut (5).
5. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: positioning tapered sleeve (4)
It is clearance fit between the radial flange flange (71) of internal rotor axle sleeve (7).
6. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: positioning tapered sleeve (4)
Axial movement distance L, conical surface gap A and frustoconical bevel angle α between meet:
Wherein, the value range of L is 10~20mm；The value range of frustoconical bevel angle α is 0~25 °；
The value range of magnetic coupling air gap B between two rotor permanent magnet magnet steel is 3~7mm；Conical surface gap A and magnetic coupling air gap B
Between meet: A < B, i.e. conical surface gap be less than magnetic coupling air gap.
7. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: lock-screw (10)
One end and internal rotor axle sleeve (7) former (72) between use thread connection or rigid attachment.
8. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: outer rotor axle sleeve
(1) detachably coupled with the outer rotor carrier (3) of outer rotor by bolt (2).
9. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: postive stop baffle (9)
By fastening screw (8) against the end face for being fixed on radial flange flange (71).
10. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: positioning tapered sleeve (4)
Outer diameter it is identical as the outer diameter of outer rotor carrier (3).
11. a kind of magnetic coupling with conical surface location structure as claimed in claim 4, it is characterised in that: outer rotor carrier
(3') periphery has a radial flange, and the outer diameter of positioning tapered sleeve (4') is equal with radial flange outer diameter (31').
12. such as a kind of described in any item magnetic couplings with conical surface location structure of claim 1-11, it is characterised in that:
Outer rotor axle sleeve (1) is installed on drive shaft, and internal rotor axle sleeve (7) is installed on bearing shaft, and vice versa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910353.5U CN209516899U (en) | 2018-11-19 | 2018-11-19 | A kind of magnetic coupling with conical surface location structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910353.5U CN209516899U (en) | 2018-11-19 | 2018-11-19 | A kind of magnetic coupling with conical surface location structure |
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| Publication Number | Publication Date |
|---|---|
| CN209516899U true CN209516899U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821910353.5U Active CN209516899U (en) | 2018-11-19 | 2018-11-19 | A kind of magnetic coupling with conical surface location structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600016A (en) * | 2018-11-19 | 2019-04-09 | 江苏磁谷科技股份有限公司 | A kind of magnetic coupling with conical surface location structure |
| CN115059695A (en) * | 2022-02-22 | 2022-09-16 | 株洲时代新材料科技股份有限公司 | Intermediate structure of wind power coupling and dynamic balance device |
-
2018
- 2018-11-19 CN CN201821910353.5U patent/CN209516899U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600016A (en) * | 2018-11-19 | 2019-04-09 | 江苏磁谷科技股份有限公司 | A kind of magnetic coupling with conical surface location structure |
| CN109600016B (en) * | 2018-11-19 | 2020-09-15 | 江苏磁谷科技股份有限公司 | Magnetic coupling with conical surface positioning structure |
| CN115059695A (en) * | 2022-02-22 | 2022-09-16 | 株洲时代新材料科技股份有限公司 | Intermediate structure of wind power coupling and dynamic balance device |
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