CN104539132A - Cone-type permanent magnet speed regulator - Google Patents
Cone-type permanent magnet speed regulator Download PDFInfo
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- CN104539132A CN104539132A CN201410802710.6A CN201410802710A CN104539132A CN 104539132 A CN104539132 A CN 104539132A CN 201410802710 A CN201410802710 A CN 201410802710A CN 104539132 A CN104539132 A CN 104539132A
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- bevel
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a cone-type permanent magnet speed regulator. The cone-type permanent magnet speed regulator is characterized by comprising a first rotation assembly, a second rotation assembly and a gap adjustment device, wherein the first rotation assembly and the second rotation assembly are arranged coaxially, the gap adjustment device is connected with the first rotation assembly or the second rotation assembly, the gap adjustment device comprises an output shaft, the output shaft is arranged in a sleeve cup through a pair of rolling bearings, the sleeve cup is fixed to a base, one end of the sleeve cup is provided with a screw pair, the outside of the screw pair is provided with a worm gear and a worm, and the other end of the screw pair is provided with a push-pull sleeve through a rolling bearing. The cone-type permanent magnet speed regulator is small in overall size, low in weight and large in transmission torque, a speed regulation mechanism is simple, labor is saved during adjustment, the size of an air gap is changed, and the coupling area is also changed.
Description
Technical field
The present invention relates to the mechanical power transmission system in electromechanical engineering, particularly relate to a kind of novel radial direction, end play can the bevel-type permanent-magnet speed governor of structure adjusting.
Background technology
Invent adjustable magnetic coupler (CN1248354A) from U.S. Magnadriive in 1999, in the drive system be made up of load equipment and motor, achieved soft start, speed is adjustable, overload protection function.At present, the permanent-magnet speed governor of application on site is nothing more than two types: tray type structure (axial type), tub structure (radial).Axial type permanent-magnet speed governor regulates the axial distance between driving link and driven member, namely regulates air-gap; Radial permanent magnet speed regulator is also regulate axial displacement, and coupling area is changed.
Axial type permanent-magnet speed governor adopts two permanent magnetic disk and two-conductor dish, and axial force is balanced, and speed governing is carried out in the gap generally by changing permanent magnetic disk and conductor disc, but because magnetic patch is arranged on disk, the radius of gyration is little, makes its volume comparatively large, so the speed adjusting gear of entirety is complicated.
Radial permanent magnet speed regulator magnet is arranged on drum surface, and the radius of gyration strengthens, and driving torque improves, but speed governing changes coupling area, overcome excessive axial force, makes speed adjusting gear become heavy.
The present invention, with regard to this deficiencies in the prior art part, proposes bevel-type permanent-magnet speed governor, combines the pluses and minuses of first two speed regulator, namely changes void dimension, change coupling area again, is third generation permanent-magnet speed governor.
Summary of the invention
The object of the invention is to provide a kind of bevel-type permanent-magnet speed governor, overall dimensions is little lightweight, and driving torque is large, and speed adjusting gear is simple, adjusts laborsaving, not only changes size of gaps, and changes coupling area.
For achieving the above object, technical scheme of the present invention is:
Bevel-type permanent-magnet speed governor, is characterized in that: comprise the first rotary components, the second rotary components that coaxial line is installed, also comprise the lash adjusting device be connected with the first rotary components or the second rotary components.
The present invention is done further preferably, when speed regulator runs well, air-gap setting minimum value Lgmin between described first rotary components and described second rotary components, during starting, air gap is maximum Lgmax, the horizontal axis displacement of described second rotary components is x, cone angle on it is d, then Lgmax=Lgmin+x sin α.
The present invention is done further preferably, it is one with the first cone rotor of electric conductor that described first rotary components comprises, matrix groove is formed on the surface at the inner cone of described first cone rotor, in described matrix groove, fan-shaped copper coin or rectangular-bar copper are set, number of magnet poles on the fan-shaped copper coin embedded or rectangular-bar copper number and the second rotary components is unequal, described copper coin or rectangular-bar copper inner and outer ring, by thin copper belt Bao Wei, form the induced current loop closed.
Do further preferably the present invention, it is the first cone rotor that described first rotary components comprises, and be provided with on the surface by the extremely tight permanent magnet alternately of N pole, S at the inner cone of described first cone rotor, described permanent magnet magnetic number of poles is even number.
Do further preferably to the present invention, it is one with the second cone rotor of axle that described second rotary components comprises, and be provided with on the surface by N pole, S extremely closely permanent magnet alternately at the outer cone of described second cone rotor, described permanent magnet magnetic number of poles is even number.
The present invention is done further preferably, it is one with the second cone rotor of axle, electric conductor that described second rotary components comprises, be provided with on the surface at the outer cone of described second cone rotor and form matrix groove, in described matrix groove, arrange fan-shaped copper coin or rectangular-bar copper, the number of magnet poles on the fan-shaped copper coin of embedding or rectangular-bar copper number and the first rotary components is unequal.
Do further preferably the present invention, outer rim and the spoke of described first cone rotor, described second cone rotor have ventilation hole, and the back side is with Air flow twisted blade.
Do further preferably to the present invention, described first rotary components, described second rotary components any one can as initiatively, another is driven, and conical surface socket therebetween, keeps uniform gap.
The present invention is done further preferably, described lash adjusting device comprises output shaft, described output shaft is arranged on a set of cups inside by a pair rolling bearing, described a set of cups is fixed on base, described a set of cups one end is provided with screw pair, the outside of described screw pair, with worm gear and worm screw, is provided with push-and-pull cover at the other end of described screw pair by rolling bearing.
Do further preferably the present invention, described worm screw is with servomotor.
Compared with prior art, beneficial effect of the present invention:
In the present invention on the first cone rotor with electric conductor, with permanent magnet on the second cone rotor, when permanent magnet and electric conductor do relative motion, in electric conductor, just produce the electromagnetic field of eddy current and induction.Due to the interaction of permanent magnetic field and electromagnetic field, create relative torques, achieve the torque transfer between electric conductor and permanent magnet (motor and load).One of described two assemblies by lash adjusting device push-and-pull, can realize axial displacement, change the gap between magnet and conductor and coupling area, realize the output speed change on bearing axle, thus realize load torque change.So the present invention well solves the problems such as soft start, damping, speed governing and overload protection.
Air gap in the present invention between permanent magnet and electric conductor is pyramid type, changes size of gaps, change coupling area again during the two displacement to axial.Combine the pluses and minuses of disc type and cartridge type two kinds of speed regulators in the past, overall dimensions is little lightweight, and driving torque is large, and speed adjusting gear is simple, adjusts laborsaving.It is third generation permanent-magnet eddy current speed regulator.
The present invention can drive the first cone rotor or the second cone rotor, and copper coin is another taper multi-pole magnet-ring cutting magnetic line relatively, and the copper coin (bar) on rotating disk will produce induced current on the surface.According to faraday electromagnetic induction principle, this induced current and permanent magnet magnetic field interactions, make clutch plate produce one and turn to identical electromagnetic torque with rotating magnetic field, thus drive clutch plate rotating Vortex, realizes the noncontact transmission of torque.
The concrete transmission scheme of the present invention has four kinds:
The first scheme: the first cone rotor is as active, and at inner cone surface inserting copper coin or the copper bar of steel tapered base, the second cone rotor, as driven, taper magnetic conduction matrix is equipped with even number permanent magnets, permanent magnets radial magnetizing, N, S pole is alternately arranged.First cone rotor original position rotates, and the second cone rotor moves axially and rotates.This kind of form is beneficial to heat radiation, but axially adjusts effort.
First scheme: the first cone rotor, as initiatively, taper magnetic conduction base inner surface is equipped with even number permanent magnets, permanent magnets radial magnetizing, N, S pole is alternately arranged.Second cone rotor is driven, at outer cone surface inserting copper coin or the copper bar of steel tapered base.First cone rotor original position rotates, and the second cone rotor moves axially and rotates.This kind of form heat radiation is bad, but axially adjustment is laborsaving.
The third scheme: the second cone rotor is as active, and at outer cone surface inserting copper coin or the copper bar of steel tapered base, the first cone rotor, as driven, taper magnetic conduction matrix is equipped with even number permanent magnets, permanent magnets radial magnetizing, N, S pole is alternately arranged.Second cone rotor original position rotates, and outer roller axial moves and rotates.This kind of form is unfavorable for heat radiation, axially adjusts effort.
4th kind of scheme: the second cone rotor, as initiatively, taper magnetic conduction outer surface of matrix is equipped with even number permanent magnets, permanent magnets radial magnetizing, N, S pole is alternately arranged.First cone rotor is driven, at inner cone surface inserting copper coin or the copper bar of steel tapered base.Second cone rotor original position rotates, and the first cone rotor moves axially and rotates.This kind of form good heat dissipation, axially adjustment is also required great effort.
As from the foregoing, overall dimensions of the present invention is little lightweight, and driving torque is large, and speed adjusting gear is simple, adjusts laborsaving, not only changes size of gaps, and changes coupling area.
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the graph of a relation of the present invention when speed governing between the first rotary components and the second rotary components.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, present embodiment discloses a kind of bevel-type permanent-magnet speed governor, it is characterized in that: comprise the first rotary components 1, second rotary components 2 that coaxial line is installed, also comprise the lash adjusting device be connected with the first rotary components 1 or the second rotary components 2.When speed regulator runs well, air-gap setting minimum value Lgmin between described first rotary components 1 and described second rotary components 2, during starting, air gap is maximum Lgmax, the horizontal axis displacement of described second rotary components 2 is x, cone angle on it is α, then Lgmax=Lgmin+x sin α.
As shown in Figure 1, described in the present invention, the first rotary components 1 comprises the first cone rotor, matrix groove is formed on the surface at the inner cone of described first cone rotor, in described matrix groove, electric conductor 3 is set, described electric conductor 3 is fan-shaped copper coin or rectangular-bar copper, number of magnet poles on the fan-shaped copper coin embedded or rectangular-bar copper number and the second rotary components 2 is unequal, described copper coin or rectangular-bar copper inner and outer ring are by thin copper belt Bao Wei, form the induced current loop closed, it is one with the second cone rotor of axle that described second rotary components 2 comprises, be provided with by N pole on the surface at the outer cone of described second cone rotor, the extremely tight permanent magnet 4 alternately of S, described permanent magnet 4 number of magnetic poles is even number.
As shown in Figure 2, it is the first cone rotor that first rotary components 1 described in the present invention comprises, be provided with by N pole on the surface at the inner cone of described first cone rotor, the extremely tight permanent magnet 4 alternately of S, described permanent magnet 4 number of magnetic poles is even number, it is one with axle that described second rotary components 2 comprises, second cone rotor of electric conductor 3, the matrix groove formed for placing electric conductor 3 is provided with on the surface at the outer cone of described second cone rotor, described electric conductor 3 is fan-shaped copper coin or rectangular-bar copper, number of magnet poles on the fan-shaped copper coin embedded or rectangular-bar copper number and the first rotary components 1 is unequal.
Outer rim and the spoke of the first cone rotor described in the present invention, described second cone rotor have ventilation hole, and the back side is with Air flow twisted blade 5.
First rotary components described in the present invention, described second rotary components any one can as initiatively, another is driven, and conical surface socket therebetween, keeps uniform gap.
The present invention is done further preferably, described lash adjusting device comprises output shaft 10, described output shaft 10 is arranged on a set of cups 12 inside by a pair rolling bearing 11, described a set of cups 12 is fixed on base 13, described a set of cups 12 one end is provided with screw pair 14, the outside of described screw pair 14 is with worm gear 15 and worm screw 16, and be provided with push-and-pull cover 17 at the other end of described screw pair 14 by rolling bearing 11, described worm screw 16 is with servomotor.
In the present invention, worm screw 16 can be shaken by handle, and time motor-driven, handle is thrown off.Rotate forward the air gap between minimizing first rotary components 1 and the second rotary components 2, reversion increases air gap.The effect of rolling bearing 11 makes external rotor original position rotate, and internal rotor moves axially and rotates.
The present invention realizes the soft start of motor: when starter motor, by speed regulating device, the air gap between driving and driven rotor is moved to maximum, gap namely between the first rotary components 1 and the second rotary components 2 is moved to maximum, such motor and load realize maximum separation, empty load of motor or low load start, after motor is stable, then by speed regulating device, the driving and driven air gap made an inventory is transferred to preposition.Thus avoid motor in load start-up course because revolutional slip is excessive, induce very large rotor current and motor is generated heat rapidly, burning out the phenomenon of coil.Feed back to controller according to flow, pressure, dtc signal in process of the present invention, governing system changes the distance between power rotor and driven rotor at any time, realizes the size of speed Control output speed, power and torque.When overloading, dtc signal feeds back to controller, and main driven rotor spacing is maximum, avoids motor overload.
The foregoing is only embodiments of the invention, not to the restriction of this case design, all equivalent variations done according to the design key of this case, all fall into the protection range of this case.
Claims (10)
1. bevel-type permanent-magnet speed governor, is characterized in that: comprise the first rotary components, the second rotary components that coaxial line is installed, also comprise the lash adjusting device be connected with the first rotary components or the second rotary components.
2. bevel-type permanent-magnet speed governor according to claim 1, it is characterized in that: when speed regulator runs well, air-gap setting minimum value Lgmin between described first rotary components and described second rotary components, during starting, air gap is maximum Lgmax, the horizontal axis displacement of described second rotary components is x, cone angle on it is α, then Lgmax=Lgmin+x sin α.
3. bevel-type permanent-magnet speed governor according to claim 1 or 2, it is characterized in that: it is one with the first cone rotor of electric conductor that described first rotary components comprises, matrix groove is formed on the surface at the inner cone of described first cone rotor, in described matrix groove, fan-shaped copper coin or rectangular-bar copper are set, number of magnet poles on the fan-shaped copper coin embedded or rectangular-bar copper number and the second rotary components is unequal, described copper coin or rectangular-bar copper inner and outer ring, by thin copper belt Bao Wei, form the induced current loop closed.
4. bevel-type permanent-magnet speed governor according to claim 1 or 2, it is characterized in that: it is the first cone rotor that described first rotary components comprises, be provided with on the surface by the extremely tight permanent magnet alternately of N pole, S at the inner cone of described first cone rotor, described permanent magnet magnetic number of poles is even number.
5. bevel-type permanent-magnet speed governor according to claim 1 or 2, it is characterized in that: it is one with the second cone rotor of axle that described second rotary components comprises, be provided with on the surface by the extremely tight permanent magnet alternately of N pole, S at the outer cone of described second cone rotor, described permanent magnet magnetic number of poles is even number.
6. bevel-type permanent-magnet speed governor according to claim 1 or 2, it is characterized in that: it is one with the second cone rotor of axle, electric conductor that described second rotary components comprises, be provided with on the surface at the outer cone of described second cone rotor and form matrix groove, in described matrix groove, arrange fan-shaped copper coin or rectangular-bar copper, the number of magnet poles on the fan-shaped copper coin of embedding or rectangular-bar copper number and the first rotary components is unequal.
7. bevel-type permanent-magnet speed governor according to claim 3 or 4 or 5 or 6, is characterized in that: outer rim and the spoke of described first cone rotor, described second cone rotor have ventilation hole, and the back side is with Air flow twisted blade.
8. bevel-type permanent-magnet speed governor according to claim 1, is characterized in that: described first rotary components, described second rotary components any one can as initiatively, another is driven, and conical surface socket therebetween, keeps uniform gap.
9. bevel-type permanent-magnet speed governor according to claim 1, it is characterized in that: described lash adjusting device comprises output shaft, described output shaft is arranged on a set of cups inside by a pair rolling bearing, described a set of cups is fixed on base, described a set of cups one end is provided with screw pair, the outside of described screw pair, with worm gear and worm screw, is provided with push-and-pull cover at the other end of described screw pair by rolling bearing.
10. bevel-type permanent-magnet speed governor according to claim 9, is characterized in that: described worm screw is with servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802710.6A CN104539132A (en) | 2014-12-17 | 2014-12-17 | Cone-type permanent magnet speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410802710.6A CN104539132A (en) | 2014-12-17 | 2014-12-17 | Cone-type permanent magnet speed regulator |
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| Publication Number | Publication Date |
|---|---|
| CN104539132A true CN104539132A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410802710.6A Pending CN104539132A (en) | 2014-12-17 | 2014-12-17 | Cone-type permanent magnet speed regulator |
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| Country | Link |
|---|---|
| CN (1) | CN104539132A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207429A (en) * | 2015-05-04 | 2015-12-30 | 北京华电润泽环保有限公司 | Speed-regulating type permanent magnet eddy current coupling |
| CN105697154A (en) * | 2016-03-10 | 2016-06-22 | 济南大学 | Flying cone type mechanical full speed variable speed controller for diesel engine |
| CN109709657A (en) * | 2019-01-07 | 2019-05-03 | 大族激光科技产业集团股份有限公司 | A kind of rotation adjustment spectacle-frame device of unlubricated medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284956A1 (en) * | 2006-06-13 | 2007-12-13 | Garrett Petrovich | Assembly for generating energy by magnetic polar repulsion |
| CN101783576A (en) * | 2010-03-01 | 2010-07-21 | 王荣松 | Permanent-magnet speed governor |
| CN102075062A (en) * | 2009-11-20 | 2011-05-25 | 鞍山钦元节能设备制造有限公司 | Permanent-magnetic speed regulation driving system |
| CN103023271A (en) * | 2012-11-22 | 2013-04-03 | 甘肃省科学院磁性器件研究所 | Conical permanent magnet speed controller |
| CN204578336U (en) * | 2014-12-17 | 2015-08-19 | 诸暨和创磁电科技有限公司 | Bevel-type permanent-magnet speed governor |
-
2014
- 2014-12-17 CN CN201410802710.6A patent/CN104539132A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284956A1 (en) * | 2006-06-13 | 2007-12-13 | Garrett Petrovich | Assembly for generating energy by magnetic polar repulsion |
| CN102075062A (en) * | 2009-11-20 | 2011-05-25 | 鞍山钦元节能设备制造有限公司 | Permanent-magnetic speed regulation driving system |
| CN101783576A (en) * | 2010-03-01 | 2010-07-21 | 王荣松 | Permanent-magnet speed governor |
| CN103023271A (en) * | 2012-11-22 | 2013-04-03 | 甘肃省科学院磁性器件研究所 | Conical permanent magnet speed controller |
| CN204578336U (en) * | 2014-12-17 | 2015-08-19 | 诸暨和创磁电科技有限公司 | Bevel-type permanent-magnet speed governor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207429A (en) * | 2015-05-04 | 2015-12-30 | 北京华电润泽环保有限公司 | Speed-regulating type permanent magnet eddy current coupling |
| CN105207429B (en) * | 2015-05-04 | 2018-05-08 | 北京华电润泽环保有限公司 | Speed-adjusting-type permanent-magnet eddy-current coupling |
| CN105697154A (en) * | 2016-03-10 | 2016-06-22 | 济南大学 | Flying cone type mechanical full speed variable speed controller for diesel engine |
| CN105697154B (en) * | 2016-03-10 | 2018-05-08 | 济南大学 | A kind of winged bevel-type machinery for diesel engine becomes all-speed regulator |
| CN109709657A (en) * | 2019-01-07 | 2019-05-03 | 大族激光科技产业集团股份有限公司 | A kind of rotation adjustment spectacle-frame device of unlubricated medium |
| CN109709657B (en) * | 2019-01-07 | 2021-11-16 | 大族激光科技产业集团股份有限公司 | Rotary adjusting mirror bracket device without lubricating medium |
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