CN103904862B - The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing - Google Patents
The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing Download PDFInfo
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- CN103904862B CN103904862B CN201410096299.5A CN201410096299A CN103904862B CN 103904862 B CN103904862 B CN 103904862B CN 201410096299 A CN201410096299 A CN 201410096299A CN 103904862 B CN103904862 B CN 103904862B
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Abstract
The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face is fixing, belongs to permanent-magnet eddy current drive technology field.Speed regulator of the present invention can ensure to install and the concentric locating in running automatically, enormously simplify installation difficulty and decrease workload, gravity suffered by speed regulator of the present invention and outer active force can be directly passed to motor stator in operation, avoid motor rotary shaft system and bear additional external force.The present invention includes power rotor, end face positioning seat, transition axis, driven rotor and speed adjusting gear; Power rotor is made up of fixed rotor body, sliding rotor body and permanent magnet layer, and fixed rotor body forms by fixing inner cylinder, middle support plate and fixing outer cylinder, and driven rotor is made up of driven rotor body, end-cover axle and ring of eddy; Driven rotor body is made up of the driven inner cylinder coaxially arranged, outer support plate and driven outer cylinder, and end-cover axle is made up of coaxially arranged end cap and driven shaft, and end face positioning seat is made up of the end face positioning disk coaxially arranged and positioning bearing seat.
Description
Technical field
The invention belongs to permanent-magnet eddy current drive technology field, particularly relate to the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing.
Background technology
Permanent-magnet eddy current speed regulating device realize speed governing by the speed discrepancy changed between prime mover and load, and it has energy-conservation, flexible startup, vibration damping, structure is simple, strong adaptability, own loss are little, easy to maintenance, the life-span is long and improve the advantages such as work system reliability.Permanent-magnet eddy current speed regulating device are made up of the ring of eddy rotor made without nonmagnetic electrically conductive material (being generally copper), the permanent magnet rotor studding with permanent magnet and governor motion three part.The basic functional principle of permanent-magnet eddy current speed governing is: when permanent magnet rotor and ring of eddy rotor do relative rotary motion each other, cutting magnetic line in the alternating intense magnetic field that ring of eddy rotor produces in permanent magnet rotor, alternating intense magnetic field responds to generation alternation eddy current in ring of eddy rotor, and then alternation eddy current produces alternation Induced magnetic field again in ring of eddy rotor, stop the relative motion of ring of eddy rotor and permanent magnet rotor, thus the torque transfer realized between prime mover and load and speed governing.The version of permanent-magnet eddy current speed regulating device mainly contains at present by regulating air gap distance to realize the square position type permanent-magnet eddy current speed regulator that driving torque regulates and the socket type permanent-magnet eddy current speed regulator regulated by regulating coupling area to realize driving torque.Wherein socket type permanent-magnet eddy current speed regulator has that radial structure is small and exquisite, weight is light, it is little to vibrate, permanent magnetic material efficiency is high, shaftless to properity features such as additional forces, application of succeeding in numerous workplace.
But, existing permanent-magnet eddy current transmission patented technology, generally pay close attention to not to the positioning connection of permanent magnet rotor and ring of eddy rotor, existing coaxial sleeve cartridge type permanent-magnet eddy current speed regulator product, normally to adopt the following two kinds mode to realize two rotors and installs location: a kind of is utilize connecting bushing to be directly sleeved on the drive shaft of prime mover or load by permanent magnet rotor and ring of eddy rotor; Another kind arranges special support to be supported respectively by two rotors, and the drive shaft of prime mover, load couples together with the rotating shaft of two rotors by recycling joint member respectively.All there is obvious deficiency in these two kinds of connected modes: front a kind of connected mode is by permanent magnet rotor and all weight of ring of eddy rotor and the stressed drive shaft all directly putting on prime mover or load, especially there is larger radial forces when directly installing belt pulley or gear, considerably increase the stressed of prime mover or load drive shaft spring bearing, thus cause the severe of its working condition, the increase of vibrating noise, the reduction of useful working life; Rear a kind of connected mode is owing to adding one or two cover supports, make prime mover, between load and support, ensure that the concentric locating of rotating shaft is more difficult, bring very big inconvenience to installation exercise, also give during system cloud gray model simultaneously and bring more exciting source and uncertain adverse factor.Therefore, develop more rational permanent magnet eddy current coupling positioning connection structure, there is the clear and definite market demand.
Summary of the invention
For prior art Problems existing, the invention provides the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing, compared with common coaxial sleeve cartridge type permanent-magnet eddy current speed regulator, speed regulator of the present invention is directly installed on motor front end boss, can automatically ensure to install and the concentric locating in running, enormously simplify installation difficulty and decrease workload, gravity suffered by speed regulator of the present invention and outer active force can be directly passed to motor stator in operation, avoid motor rotary shaft system and bear additional external force.
To achieve these goals, the present invention adopts following technical scheme:
The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face is fixing, comprises power rotor, end face positioning seat, transition axis, driven rotor and speed adjusting gear; Described power rotor is made up of fixed rotor body, sliding rotor body and permanent magnet layer, and fixed rotor body forms by fixing inner cylinder, middle support plate and fixing outer cylinder, and fixing inner cylinder and fixing outer cylinder are coaxially fixed on middle support plate; Sliding rotor body is made up of the inner cylinder that slides, interior support plate and slip outer cylinder, and slip inner cylinder and slip outer cylinder are coaxially fixed on interior support plate; Arranged in a crossed manner between described fixing inner cylinder, fixing outer cylinder and slip inner cylinder, slip outer cylinder, and fixing outer cylinder is arranged between slip inner cylinder and slip outer cylinder, matched by rotor feather key between slip outer cylinder with fixing outer cylinder, permanent magnet layer is fixed on the lateral wall of slip outer cylinder; Described driven rotor is arranged on the outside of power rotor, is made up of driven rotor body, end-cover axle and ring of eddy; Driven rotor body is made up of the driven inner cylinder coaxially arranged, outer support plate and driven outer cylinder, the outer end of described transition axis is by being connected by driven bearing between the fixing inner cylinder of fixed rotor body and the driven inner cylinder of driven rotor body, and transition axis is coaxially fixedly connected with fixing inner cylinder; Ring of eddy is fixed on the madial wall of driven outer cylinder, between ring of eddy and permanent magnet layer, leave radial clearance; End-cover axle is made up of the end cap coaxially arranged and driven shaft, and end cap is coaxially fixedly connected with the driven inner cylinder of driven rotor body; Described end face positioning seat is made up of the end face positioning disk coaxially arranged and positioning bearing seat, and positioning bearing seat is fixed on end face positioning disk, and the outer face of end face positioning disk is provided with step seam; Be connected by location bearing between positioning bearing seat and the inner of transition axis, described speed adjusting gear is connected with sliding rotor body.
Described permanent magnet layer is made up of even numbered blocks permanent-magnet block, and permanent-magnet block is along the circumferential direction evenly distributed on the lateral wall of slip outer cylinder of sliding rotor body; The magnetizing direction of each piece of permanent-magnet block is identical with the radial direction of slip outer cylinder, the polar orientation that magnetizes of adjacent two pieces of permanent-magnet blocks is contrary, close contact or leave gap between adjacent two pieces of permanent-magnet blocks, if leave gap, then fills non-magnetic isolating pad in gap.
The outer surface of described permanent magnet layer is provided with magnet encapsulating, leaves radial clearance between magnet encapsulating and ring of eddy, magnet encapsulating is made up without magnetic metal material of corrosion-resistant.
Described speed adjusting gear, between end face positioning disk and middle support plate, is made up of supporting bracket, buncher, speed regulating bearing seat, speed regulating bearing, governor gear, speed governing tooth bar and speed governing sliding sleeve; Supporting bracket is fixed on end face positioning disk, and buncher is fixing, and motor shaft is connected with speed regulating bearing seat by speed regulating bearing on the supporting plate, and speed regulating bearing seat is fixing on the supporting plate; Motor shaft is coaxially fixedly installed governor gear, and speed governing tooth bar is meshed with governor gear, and speed governing tooth bar is along on the lateral wall being axially fixed in speed governing sliding sleeve of transition axis; Speed governing sliding sleeve is matched by positioning and guiding key with between positioning bearing seat, is connected between speed governing sliding sleeve with slip inner cylinder by active bearings.
Beneficial effect of the present invention:
Speed regulator of the present invention have employed end face location structure, location bearing has been added outside the transition axis be directly connected with motor rotary shaft, thus the whole gravity making to act on speed regulator of the present invention and additional forces are directly passed to the front end surface location of institute's adapted motor, avoid motor rotary shaft system and bear additional external force; Automatically can ensure to install and the concentric locating in running simultaneously structure, greatly reduce installation difficulty and decrease workload.
Accompanying drawing explanation
Fig. 1 is the structural representation that coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face of the present invention is fixed is in complete couple state;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation that coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face of the present invention is fixed is in partial coupling state;
In figure, 1--motor, 11--motor rotary shaft, 12-motor axle key, 13-motor front end boss, 2--end face positioning seat, 21--end face positioning disk, 22-positioning bearing seat, 23--step seam, 24--location bearing, 25-positioning and guiding key, 3-transition axis, 31--hollow shaft section, 32-solid shaft part, 33--transition axle key, 4--power rotor, 40-slip outer cylinder, 41--fixed rotor body, 42--sliding rotor body, 43--rotor feather key, 44--active bearings, 45--fixes inner cylinder, support plate in 46--, 47--fixes outer cylinder, 48-slip inner cylinder, 49-interior support plate, 5--permanent magnet layer, 51--permanent-magnet block, the non-magnetic isolating pad of 52--, 53--magnet is encapsulated, 6--driven rotor, 60-screw, 61-driven rotor body, 62-end-cover axle, 63-driven bearing, 64-ring of eddy, 65-driven inner cylinder, 66-outer support plate, 67-driven outer cylinder, 68-end cap, 69-driven shaft, 7-speed adjusting gear, 71-supporting bracket, 72-motor cabinet, 73-buncher, 74-speed regulating bearing seat, 75-speed regulating bearing, 76-speed governing axle, 77-governor gear, 78-speed governing tooth bar, 79-speed governing sliding sleeve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As Fig. 1, Fig. 2, shown in Fig. 3, the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing, comprise power rotor 4, end face positioning seat 2, transition axis 3, driven rotor 6 and speed adjusting gear 7, described power rotor 4 is by the fixed rotor body 41 coaxially arranged, sliding rotor body 42 and permanent magnet layer 5 form, fixed rotor body 41 is by the fixing inner cylinder 45 coaxially arranged, middle support plate 46 and fixing outer cylinder 47 form, fixing inner cylinder 45 and fixing outer cylinder 47 are cylinder type, and be fixed on the middle support plate 46 of collar plate shape towards on the madial wall of motor 1, fixing inner cylinder 45 is arranged on the inside of fixing outer cylinder 47, sliding rotor body 42 is made up of the slip inner cylinder 48 coaxially arranged, interior support plate 49 and slip outer cylinder 40, slip inner cylinder 48 and slip outer cylinder 40 are cylinder type, and be fixed on the lateral wall of the motor dorsad 1 of the interior support plate 49 of collar plate shape, slip inner cylinder 48 is arranged on the inside of slip outer cylinder 40, described fixing inner cylinder 45, fixing outer cylinder 47 and slip inner cylinder 48 and slip outer cylinder 40 arranged in a crossed manner, and fixing outer cylinder 47 is arranged between slip inner cylinder 48 and slip outer cylinder 40, the lateral wall of fixing outer cylinder 47 is provided with three rotor feather keys 43 vertically, the madial wall of slip outer cylinder 40 is provided with three the first keyways, first keyway matches with rotor feather key 43, and slip outer cylinder 40 and fixing outer cylinder 47 can make relative translation motion vertically, slip outer cylinder 40 is made up of permeability magnetic material, and permanent magnet layer 5 is arranged on the lateral wall of slip outer cylinder 40, and described transition axis 3 by the through hole of the fixing inner cylinder 45 of fixed rotor body 41, and is coaxially fixedly connected with fixing inner cylinder 45, the lateral wall of transition axis 3 is provided with three transition axle keys 33 vertically, and the madial wall of fixing inner cylinder 45 is provided with three the second keyways, and the second keyway matches with transition axle key 33, transition axis 3 is hollow shaft section 31 towards a section of motor 1, the madial wall of hollow shaft section 31 is provided with key-groove, key-groove matches, for there being the dynamic of movement clearance to coordinate between hollow shaft section 31 with motor rotary shaft 11 with the motor axle key 12 of the motor rotary shaft 11 of the B35 type motor 1 of institute adapted, other parts except the transition axis 3 of hollow shaft section 31 are solid shaft part 32, and the middle part lateral wall of solid shaft part 32 is provided with transition axle key 33, and transition axle key 33 matches with the fixed rotor body 41 of power rotor 4,
Described driven rotor 6 is arranged on the outside of power rotor 4, is made up of driven rotor body 61, end-cover axle 62 and ring of eddy 64; Driven rotor body 61 is made up of the driven inner cylinder 65 coaxially arranged, outer support plate 66 and driven outer cylinder 67, and outer support plate 66 is collar plate shape structure, is arranged in the side of the motor dorsad 1 of the support plate 46 of power rotor 4; Driven inner cylinder 65 is cylinder type, is fixed on the end face of the motor dorsad 1 of outer support plate 66; Driven inner cylinder 65 is connected by driven bearing 63 with between transition axis 3, and the inner ring of driven bearing 63 is fixedly connected with the lateral wall of the outer end of the solid shaft part 32 of transition axis 3, and the outer ring of driven bearing 63 is fixedly connected with the madial wall of driven inner cylinder 65; Driven outer cylinder 67 is cylinder type, be fixed on outer support plate 66 towards on the end face of motor 1, be positioned at the outside of the slip outer cylinder 40 of sliding rotor body 42; Driven outer cylinder 67 is made up of permeability magnetic material, and ring of eddy 64 is fixed on the madial wall of driven outer cylinder 67; Ring of eddy 64 is cylinder type, is made up of copper product, between ring of eddy 64 and permanent magnet layer 5, leave radial clearance; End-cover axle 62 is made up of the end cap 68 of the collar plate shape coaxially arranged and the driven shaft 89 of column type, and end cap 68 is coaxially fixed on the outer face of driven inner cylinder 65 of driven rotor body 61 by screw 60, and driven shaft 69 and motor rotary shaft 11 are coaxially arranged; Described end face positioning seat 2 is made up of collar plate shape end face positioning disk 21 and the cylinder type positioning bearing seat 22 be coaxially fixed on end face positioning disk, the outer face of end face positioning disk 21 towards motor 1 is provided with stepped ramp type step seam 23, for matching with B35 type motor front end boss 13, end face positioning disk 21 is bolted on motor 1 stator; Be connected by location bearing 24 between positioning bearing seat 22 and the hollow shaft section 31 of transition axis 3, the inner ring of location bearing 24 is fixedly connected with the lateral wall of the hollow shaft section 31 of transition axis 3, and the outer ring of location bearing 24 is fixedly connected with the madial wall of positioning bearing seat 22.
Described permanent magnet layer 5 is made up of 24 pieces of permanent-magnet blocks 51, and permanent-magnet block 51 is along the circumferential direction evenly distributed on the lateral wall of slip outer cylinder 40 of sliding rotor body 42; The magnetizing direction of each piece of permanent-magnet block 51 is identical with the radial direction of slip outer cylinder 40, and the polar orientation that magnetizes of adjacent two pieces of permanent-magnet blocks 51 is contrary, leaves gap, and in gap, fill non-magnetic isolating pad 52 between adjacent two pieces of permanent-magnet blocks 51; Permanent magnet layer 5 outer surface is provided with magnet encapsulating 53, leaves radial clearance between magnet encapsulating 53 and ring of eddy 64, magnet encapsulating 53 is made up without magnetic metal material of corrosion-resistant; When sliding rotor body 42 moves near middle support plate 46, permanent magnet layer 5 aligns setting with the ring of eddy 64 of driven rotor 6 in the axial direction.
Described speed adjusting gear 7 is between end face positioning disk 21 and middle support plate 46, and speed adjusting gear 7 is made up of supporting bracket 71, buncher 73, speed regulating bearing seat 74, speed regulating bearing 75, speed governing axle 76, governor gear 77, speed governing tooth bar 78 and speed governing sliding sleeve 79; Supporting bracket 71 is fixed on end face positioning disk 21, and buncher 73 is fixed on the top of supporting bracket 71 by motor cabinet 72, and speed regulating bearing seat 74 is fixed on the bottom of supporting bracket 71; Be connected by speed regulating bearing 75 between speed regulating bearing seat 74 with speed governing axle 76, speed governing axle 76 is coaxially fixedly connected with motor shaft; Be fixed with governor gear 77 in the bottom of speed governing axle 76, speed governing tooth bar 78 is meshed with governor gear 77, speed governing tooth bar 78 along transition axis 3 be axially fixed in speed governing sliding sleeve 79 towards on the lateral wall of motor 1 side; The madial wall of speed governing sliding sleeve 79 towards motor 1 side is provided with three the 4th keyways, the lateral wall of positioning bearing seat 22 is fixed with three positioning and guiding keys the 25, four keyway vertically and matches with positioning and guiding key 25; Speed governing sliding sleeve 79 is ladder barrel type structure, and its diameter towards one end of motor 1 is greater than one end of motor 1 dorsad; One end of speed governing sliding sleeve 79 motor 1 dorsad is connected by active bearings 44 with between slip inner cylinder 48, and the inner ring of active bearings 44 is fixedly connected with the lateral wall of speed governing sliding sleeve 79, and the outer ring of active bearings 44 is fixedly connected with the madial wall of slip inner cylinder 48; When buncher 73 drives governor gear 77 to rotate by speed governing axle 76, governor gear 77 drives speed governing tooth bar 78 moving axially along transition axis 3, thus drive speed governing sliding sleeve 79, active bearings 44 and sliding rotor body 42 moving axially along transition axis 3, the permanent magnet layer 5 be fixed on sliding rotor body 42 is changed with the coupling area of ring of eddy 64.
Below in conjunction with accompanying drawing, operation principle of the present invention and process are described:
As shown in Figure 1, Figure 2, Figure 3 shows, the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face provided by the invention is fixing, in the course of the work, first motor rotary shaft 11 rotates, motor rotary shaft 11 drives transition axis 3 to rotate by motor axle key 12, transition axis 3 drives fixed rotor body 41 to rotate by transition axle key 33, fixed rotor body 41 drives sliding rotor body 42 to rotate by rotor feather key 43, thus makes the permanent magnet layer 5 be fixed on sliding rotor body 42 make synchronous axial system with motor rotary shaft 11; And now driven rotor 6 does not rotate, when producing relative rotary motion between power rotor 4 and driven rotor 6, because the polar orientation that magnetizes of two pieces of permanent-magnet blocks 51 adjacent on permanent magnet layer 5 is contrary, the permanent-magnet block 51 therefore in permanent magnet layer 5 can form alternating magnetic field in the ring of eddy 64 on driven rotor body 61; Because ring of eddy 64 is become by conductor material copper, the alternating magnetic field that permanent-magnet block 51 produces can generate the eddy current of alternation in ring of eddy 64, and then this eddy current produces Induced magnetic field again in ring of eddy 64; The stationary magnetic field of the permanent magnet layer 5 of Induced magnetic field and power rotor 4 interacts, and just between two rotors, produces coupling torque, thus drives driven rotor 6 to do the rotary motion identical with power rotor 4 direction; After this, in the timing of driven shaft 69 output torque one, certain speed discrepancy is kept between power rotor 4 and driven rotor 6, power rotor 4 is faster than driven rotor 6 rotating speed all the time, motion for the relative rotation is remained between the two, thus maintain above-mentioned coupling process all the time, reach the object transmitting motion-promotion force between two rotors.
The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face provided by the present invention is fixing, when needs regulate power rotor 4, the moment of torsion transmitted between driven rotor 6, when rotating speed or power, start the buncher 73 in speed adjusting gear 7, buncher 73 drives governor gear 77 to rotate by speed governing axle 76, governor gear 77 drives the speed governing tooth bar 78 that is engaged with along the axial translation of transition axis 3, thus drive the translation vertically of speed governing sliding sleeve 79, the sliding rotor body 42 also translation vertically be thereupon connected by active bearings 44 with speed governing sliding sleeve 79, this causes the permanent magnet layer 5 on sliding rotor body 42 to change with the coupling area of the ring of eddy 64 on driven rotor 6, and then cause the magnetic coupling moment between power rotor 4 and driven rotor 6 to change, rotating speed and the power output of driven shaft 69 change thereupon, when speed governing sliding sleeve 79 moves to the position aligned with ring of eddy 64 near middle support plate 46, permanent magnet layer 5 vertically, power rotor 4, the driven rotor 6 of speed regulator of the present invention are in complete couple state, as shown in Figure 1, when the position that speed governing sliding sleeve 79 only has part corresponding to motor 1 direction translation, permanent magnet layer 5 with ring of eddy 64, power rotor 4, the driven rotor 6 of speed regulator of the present invention are in partial coupling state, as shown in Figure 3.
In the course of the work, except the gravity of speed regulator of the present invention self, driven shaft 69 is also likely subject to motive power and the moment of different directions, these effect force and moments pass to driven rotor body 61 through driven shaft 69 and end cap 68, the solid shaft part 32 of transition axis 3 is passed to again through driven bearing 63, due to transition axis 3 hollow shaft section 31 with between motor rotary shaft 11 for there being the dynamic of movement clearance to coordinate, so the external force that the solid shaft part 32 of transition axis 3 bears mainly passes to the location bearing 24 be connected with hollow shaft section 31, the motor front end boss 13 of B35 type motor 1 is passed to finally by positioning bearing seat 22 and end face positioning disk 21.
Claims (4)
1. the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face is fixing, is characterized in that comprising power rotor, end face positioning seat, transition axis, driven rotor and speed adjusting gear; Described power rotor is made up of fixed rotor body, sliding rotor body and permanent magnet layer, and fixed rotor body forms by fixing inner cylinder, middle support plate and fixing outer cylinder, and fixing inner cylinder and fixing outer cylinder are coaxially fixed on middle support plate; Sliding rotor body is made up of the inner cylinder that slides, interior support plate and slip outer cylinder, and slip inner cylinder and slip outer cylinder are coaxially fixed on interior support plate; Arranged in a crossed manner between described fixing inner cylinder, fixing outer cylinder and slip inner cylinder, slip outer cylinder, and fixing outer cylinder is arranged between slip inner cylinder and slip outer cylinder, matched by rotor feather key between slip outer cylinder with fixing outer cylinder, permanent magnet layer is fixed on the lateral wall of slip outer cylinder; Described driven rotor is arranged on the outside of power rotor, is made up of driven rotor body, end-cover axle and ring of eddy; Driven rotor body is made up of the driven inner cylinder coaxially arranged, outer support plate and driven outer cylinder, the outer end of described transition axis is by being connected by driven bearing between the fixing inner cylinder of fixed rotor body and the driven inner cylinder of driven rotor body, and transition axis is coaxially fixedly connected with fixing inner cylinder; Ring of eddy is fixed on the madial wall of driven outer cylinder, between ring of eddy and permanent magnet layer, leave radial clearance; End-cover axle is made up of the end cap coaxially arranged and driven shaft, and end cap is coaxially fixedly connected with the driven inner cylinder of driven rotor body; Described end face positioning seat is made up of the end face positioning disk coaxially arranged and positioning bearing seat, and positioning bearing seat is fixed on end face positioning disk, and the outer face of end face positioning disk is provided with step seam; Be connected by location bearing between positioning bearing seat and the inner of transition axis, described speed adjusting gear is connected with sliding rotor body.
2. the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face according to claim 1 is fixing, it is characterized in that described permanent magnet layer is made up of even numbered blocks permanent-magnet block, permanent-magnet block is along the circumferential direction evenly distributed on the lateral wall of slip outer cylinder of sliding rotor body; The magnetizing direction of each piece of permanent-magnet block is identical with the radial direction of slip outer cylinder, the polar orientation that magnetizes of adjacent two pieces of permanent-magnet blocks is contrary, close contact or leave gap between adjacent two pieces of permanent-magnet blocks, if leave gap, then fills non-magnetic isolating pad in gap.
3. the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face according to claim 1 is fixing, it is characterized in that the outer surface of described permanent magnet layer is provided with magnet encapsulating, leave radial clearance between magnet encapsulating and ring of eddy, magnet encapsulating is made up without magnetic metal material of corrosion-resistant.
4. the coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that end face according to claim 1 is fixing, it is characterized in that described speed adjusting gear is between end face positioning disk and middle support plate, be made up of supporting bracket, buncher, speed regulating bearing seat, speed regulating bearing, governor gear, speed governing tooth bar and speed governing sliding sleeve; Supporting bracket is fixed on end face positioning disk, and buncher is fixing, and motor shaft is connected with speed regulating bearing seat by speed regulating bearing on the supporting plate, and speed regulating bearing seat is fixing on the supporting plate; Motor shaft is coaxially fixedly installed governor gear, and speed governing tooth bar is meshed with governor gear, and speed governing tooth bar is along on the lateral wall being axially fixed in speed governing sliding sleeve of transition axis; Speed governing sliding sleeve is matched by positioning and guiding key with between positioning bearing seat, is connected between speed governing sliding sleeve with slip inner cylinder by active bearings.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096299.5A CN103904862B (en) | 2014-03-14 | 2014-03-14 | The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing |
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|---|---|---|---|
| CN201410096299.5A CN103904862B (en) | 2014-03-14 | 2014-03-14 | The coaxial sleeve cartridge type permanent-magnet eddy current speed regulator that a kind of end face is fixing |
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| CN103904862A CN103904862A (en) | 2014-07-02 |
| CN103904862B true CN103904862B (en) | 2016-01-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242601A (en) * | 2014-09-09 | 2014-12-24 | 李启飞 | Fluid-speed-governing-cylinder-type magnetic coupling |
| CN105896880A (en) * | 2014-09-09 | 2016-08-24 | 李启飞 | TLE/F type fluid speed regulation barrel type magnetic coupler |
| CN106998128A (en) * | 2016-01-26 | 2017-08-01 | 刘凯平 | A kind of arrangements for speed regulation |
| CN108462367A (en) * | 2018-04-10 | 2018-08-28 | 辽宁壮龙无人机科技有限公司 | Governor, aircraft governing system and aircraft |
| CN109831087B (en) * | 2019-04-15 | 2023-08-08 | 金陵科技学院 | Novel compound permanent magnet eddy current speed regulator |
| CN112615526A (en) * | 2020-12-28 | 2021-04-06 | 诸暨和创磁电科技有限公司 | Vertical permanent magnet speed regulator |
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| CN203457028U (en) * | 2013-09-11 | 2014-02-26 | 辽阳泰科雷诺科技有限公司 | Coaxial sleeve type permanent magnetic eddy current coupling employing magnet-gathering type magnetic circuit structure |
| CN203788123U (en) * | 2014-03-14 | 2014-08-20 | 辽阳泰科雷诺科技有限公司 | Coaxially-telescopic permanent-magnetic eddy current speed regulator with fixed end surface |
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| US4752194A (en) * | 1986-10-25 | 1988-06-21 | Richter Chemi-Technik Gmbh | Magnetically coupled pump with a bipartite separating pot |
| CN202565141U (en) * | 2012-03-20 | 2012-11-28 | 大连液力机械有限公司 | Permanent-magnet eddy-current transmission device |
| CN102969868A (en) * | 2012-11-13 | 2013-03-13 | 江苏大学 | Disc-shaped asynchronous magnetic coupling and speed adjustment method |
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| CN103904862A (en) | 2014-07-02 |
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