CN203398973U - Inner mushroomed static speed-regulation pulley type permanent magnetic coupler - Google Patents
Inner mushroomed static speed-regulation pulley type permanent magnetic coupler Download PDFInfo
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- CN203398973U CN203398973U CN201320404672.XU CN201320404672U CN203398973U CN 203398973 U CN203398973 U CN 203398973U CN 201320404672 U CN201320404672 U CN 201320404672U CN 203398973 U CN203398973 U CN 203398973U
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Abstract
An inner mushroomed static speed-regulation pulley type permanent magnetic coupler comprises a conductive external rotor and a permanent magnetic internal rotor, wherein the conductive external rotor comprises an outer rotating ring, a copper ring connected with the outer rotating ring through a rivet and side air inlet sheets welded on the outer rotating ring. A motor shaft is connected with the outer rotating ring through a motor shaft key. The permanent magnetic internal rotor comprises a mushroomed integral magnet ring, an inner rotating ring connected through viscose glue and an inner rotating ring seat connected with the inner rotating ring through a sliding key, and a pull bar screw is connected with the inner rotating ring through screw threads. A push rod screw is connected with the inner rotating ring seat through screw threads, and the inner rotating ring seat is connected with a shaft of the rotating ring through a screw. A pulley is connected with the rotating disc shaft through a rotating disc shaft chain key, and a separation blade is fixed on the rotating disc shaft through screws. The inner rotating ring seat and the outer rotating ring are connected through two internal support bearings. The permanent magnetic coupler is of a torque contactless flexible transmission type, and realizes purposes of soft start, real overload slip protection, speed regulation and energy conservation. The permanent magnetic coupler is reliable in operation, and high in transmission efficiency.
Description
Technical field
The utility model relates to a kind of permanent magnet clutch, is specifically related to the static speed governing belt wheel of a kind of interior radiation ring type type permanent magnet clutch.
Background technology
Belt wheel is the parts that often use in mechanical system power transmission process.With transmission, be exactly a kind in frictional drive, belong to " flexible driving " in mechanical basic system, utilize belt to connect two driving link and driven members that directly do not contact, the pulling force that frictionally produces transmits motion and power.Operation principle with transmission is that belt is tightly placed on driving wheel and driven pulley, thereby the contact surface of belt and wheel exists normal pressure, when prime mover driven driving wheel turns round, between belt and driving wheel contact surface, just produce frictional force, make driving wheel affect belt, then belt affects again driven pulley, and the torque on driving shaft and motion are passed to driven shaft.
Pulley structure is simple, with transmission, has advantages of smooth running, low noise, low vibration and overload protection.But its can not really transship slippage protection, bumper and absorbing shock is poor, transmission efficiency is low, and soft start function and speed-regulating function can not be provided.Concrete manifestation is as follows: (1) belt pulley transmission can mild load impacting, and it is by belt Elastic Sliding and realizations of skidding, transmission efficiency lower with gearratio inaccuracy; And shortened life-span of belt; When device start, soft start function cannot be provided, while being subject to large impact, belt shake is severe, noise and vibration aggravation, and make motor, load equipment is also subject to large impact, corresponding electric current has strengthened the impact to electrical network simultaneously, and to motor, belt and load equipment infringement are very large.(2) belt pulley transmission has the function that overload is safeguarded; Its by belt creep, sacrifice belt life and realize, motor rotation blockage heating, belt creep heating, reducing gear is subject to alternating force load quick abrasion, as power-off protection not in time, by motor damage, is damaged belt and reducing gear.(3) pulley structure determines that it can only unanimously with motor speed rotate, and cannot regulate belt wheel output speed by not changing belt wheel self.
Utility model content
The purpose of this utility model is to provide the static speed governing belt wheel of a kind of interior radiation ring type type permanent magnet clutch, has solved existing belt pulley transmission and can not really transship slippage protection and the problem of soft start function and speed-regulating function can not be provided.
The technical scheme that the utility model adopts is, the static speed governing belt wheel of interior radiation ring type type permanent magnet clutch, comprise conductor external rotor and permanent magnetism internal rotor, conductor external rotor comprises outward turning change, the copper ring being connected with outward turning change by rivet and is welded on the side air inlet sheet in outward turning change, copper ring and outward turning change form outer inductor, motor shaft is connected with outward turning change by motor axle key bar, and motor shaft holding screw is fixed motor shaft and outward turning change, permanent magnetism internal rotor comprises the whole magnet ring of radiant type and field of conjugate action adjusting mechanism, field of conjugate action adjusting mechanism comprises interior rotating ring and the interior rotating ring seat being connected with interior rotating ring by slide key, pull bar screw is connected with interior rotating ring by screw thread, push rod screw is connected with interior rotating ring seat by screw thread, the whole magnet ring of radiant type and interior rotating ring are connected by viscose glue, interior rotating ring seat and rotating disk axle are connected by screw, belt wheel is connected with rotating disk axle by rotating disk axle key bar, catch is fixed by screws on rotating disk axle, interior rotating ring seat is connected by two inner support bearings with outward turning change, between two inner support bearings, be provided with bearing spacer sleeve.
Feature of the present utility model is also,
Between conductor external rotor and permanent magnetism internal rotor, radially there is fixing air gap.
The axial trough of inner support bearing is provided with jump ring.
Between two inner support bearings, be provided with lubricating cup.
The groove of interior rotating ring is provided with sealing ring.
The beneficial effects of the utility model are,
1. the static speed governing belt wheel of radiation ring type type permanent magnet clutch in the utility model, utilize outer induction copper ring and the whole internal magnetic ring of radiant type relatively rotate magnetic guiding loop with radially fixedly the magnetic line of force of air gap cutting permanent-magnetic clamp produce magnetic induction force, realize the contactless flexible transmission of moment of torsion between motor and belt wheel.According to the requirement of in good time load output variable, under static state, by speed adjusting gear, can meet the requirement of belt wheel speed governing and change load output variable size, realize significantly energy-conservation and raising motor working efficiency of motor.Utilize high efficiency and heat radiation, guarantee that system magnetic working is stable.Own overload slippage protective feature, when load is transshipped, motor is stall not, and belt is non-slip, has realized the overload protection to motor, belt wheel and load equipment.Guarantee that motor, load equipment and interior radiation ring type are harmless in the static speed governing belt wheel type permanent magnet clutch short time.
2. the static speed governing belt wheel of radiation ring type type permanent magnet clutch in the utility model; for the contactless flexible shaft coupling transmitting of moment of torsion; install simple; soft start be can realize, really slippage protection (stopping belt creep protection) and variable speed energy saving transshipped; long service life; reliable; non-maintaining; transmission efficiency is high; greatly reduce systematic running cost and extended useful life of equipment, can dwindle capacity motor, eliminate " low load with strong power " phenomenon; realize energy-conservationly 10～30%, and meet " energy-saving and emission-reduction " policy of country.
Accompanying drawing explanation
Fig. 1 is the structural representation of the static speed governing belt wheel of radiation ring type type permanent magnet clutch in the utility model;
Fig. 2 is the structural representation of the static speed governing belt wheel of radiation ring type type permanent magnet clutch conductor external rotor in the utility model;
Fig. 3 is the structural representation of the static speed governing belt wheel of radiation ring type type permanent magnet clutch permanent magnetism internal rotor in the utility model;
Fig. 4 is the structural representation of the static speed governing belt wheel of radiation ring type type permanent magnet clutch field of conjugate action adjusting mechanism in the utility model.
In figure, 1. outward turning change, 2. copper ring, 3. rivet, 4. side air inlet sheet, 5. whole magnet ring, 6. interior rotating ring, 7. interior rotating ring seat of radiant type, 8. rotating disk axle, 9. belt wheel, 10. catch, 11. rotating disk axle key bars, 12. jump rings, 13. lubricating cups, 14. bearing spacer sleeves, 15. viscose glues, 16. inner support bearings, 17. sealing rings, 18. slide keys, 19. pull bar screws, 20. push rod screws, 21. motor shaft holding screws, 22. motor shafts, 23. motor axle key bars.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The static speed governing belt wheel of radiation ring type type permanent magnet clutch in the utility model, referring to accompanying drawing 1, comprise conductor external rotor and permanent magnetism internal rotor, as shown in Figure 2, between conductor external rotor and permanent magnetism internal rotor, radially there is fixing air gap, conductor external rotor comprises outward turning change 1, the copper ring 2 being connected with outward turning change 1 by rivet 3 and be welded on the side air inlet sheet 4 in outward turning change 1, side air inlet sheet 4 provides cooling air for system, copper ring 2 forms outer inductor with outward turning change 1, motor shaft 22 is connected with outward turning change 1 by motor axle key bar 23, motor shaft holding screw 21 is fixing with outward turning change 1 by motor shaft 22, guarantee that outward turning change 1 fixes in motor shaft 22Shang position, as shown in Figure 3, permanent magnetism internal rotor comprises the whole magnet ring 5 of radiant type and field of conjugate action adjusting mechanism, as shown in Figure 4, field of conjugate action adjusting mechanism comprises interior rotating ring 6 and the interior rotating ring seat 7 being connected with interior rotating ring 6 by slide key 18, pull bar screw 19 is connected with interior rotating ring 6 by screw thread, push rod screw 20 is connected with interior rotating ring seat 7 by screw thread, the whole magnet ring 5 of radiant type is connected by viscose glue with interior rotating ring 6, interior rotating ring seat 7 is connected by screw with rotating disk axle 8, belt wheel 9 is connected with rotating disk axle 8 by rotating disk axle key bar 11, catch 10 is fixed by screws on rotating disk axle 8, guarantee that belt wheel 9 fixes and limit belt wheel 9 axial motions in rotating disk axle 8 Shang positions, interior rotating ring seat 7 is connected by two inner support bearings 16 with outward turning change 1, between two inner support bearings 16, be provided with bearing spacer sleeve 14, the axial trough of inner support bearing 16 is provided with jump ring 12, stop inner support bearing 16 to move axially, between two inner support bearings 16, be provided with lubricating cup 13, by lubricating cup 13, regularly give inner support bearing 16 lubricated, guarantee inner support bearing 16 working stabilities, the groove of interior rotating ring 6 is provided with sealing ring 17, prevent that lubricating oil from leaking outside.
Under static state, the loosening push rod screw 20 of first manual rotation, rotating rod screw 19 again, because interior rotating ring seat 7 axial locations maintain static and be subject to the restriction of slide key 18, interior rotating ring 6 can only move axially, thereby pull permanent magnetism inner rotor shaft to relatively moving, to change relative axial position between conductor external rotor and permanent magnetism internal rotor, and then the magnetic force area of contact that changes copper ring 2 and the whole magnet ring 5 of radiant type is big or small, realizes the size that changes transmitting torque between conductor external rotor and permanent magnetism internal rotor.
In the utility model, the static speed governing belt wheel of radiation ring type type permanent magnet clutch is to control by regulating moment of torsion to realize speed, permanent magnetism internal rotor is under the effect of field of conjugate action adjusting mechanism, come and go vertically while moving, the magnetic force area of contact of the whole magnet ring 5 of the copper ring 2 between permanent magnetism internal rotor and conductor external rotor and radiant type changes.Area of contact is large, and the moment of torsion of transmission is large, and band wheel speed is high; Area of contact is little, and the moment of torsion of transmission is little, and band wheel speed is little.Motor outputs to the moment of torsion of the static speed governing belt wheel of interior radiation ring type type permanent magnet clutch and moment of torsion that the static speed governing belt wheel of interior radiation ring type type permanent magnet clutch outputs to belt wheel equates.Like this, we can be according to the requirement of output variable in load actual moving process, regulate magnetic force area of contact size, meet the requirement of belt wheel speed governing and change load output variable size, load torque is little, motor output torque is little, and corresponding power output is also little, realizes significantly energy-conservation and raising motor working efficiency of motor.
In the utility model, the static speed governing belt wheel of radiation ring type type permanent magnet clutch conductor external rotor adopts the single circle ring in outside, different according to transmitted power, change outer copper ring 2 diameters and gauge, design the static speed governing belt wheel of the interior radiation ring type type permanent magnet clutch of different size.Permanent magnetism internal rotor adopts whole magnet ring structure--the single circle ring of the radially oriented ring type in inner side, different according to transmitted power, in changing, the static speed governing belt wheel of the interior radiation ring type type permanent magnet clutch of design different size is realized the moment of torsion transmission of the static speed governing belt wheel of the interior radiation ring type type permanent magnet clutch of different size to whole magnet ring 5 physical dimensions of radiant type with the number of poles that magnetizes is how many.
In the utility model, the course of work of the static speed governing belt wheel of radiation ring type type permanent magnet clutch is as follows:
During electric motor starting, the rotation of conductor external rotor and motor synchronous high-speed, because the induction copper ring 2 of conductor external rotor and the whole magnet ring 5 of the radiant type of permanent magnetism internal rotor are contactless shaft coupling, permanent magnetism internal rotor can not rotate immediately.In electric machine rotation process, outer copper ring 2 in conductor external rotor list annulus inductor produces relative rotation with the whole magnet ring 5 of the interior radiant type of permanent magnetism internal rotor, alternating magnetic field is responded to outside on copper ring 2 and is produced eddy current by air gap, eddy current produces the permanent magnetic field interaction of induced field and the whole magnet ring 5 of interior radiant type simultaneously, due to the effect of belt wheel load torque, passive permanent magnetism internal rotor is still in static, when active conductor external rotor turns over after an angle, between induced field in its outer induction copper ring 2 and the permanent magnetic field of the whole magnet ring 5 of interior radiant type, there is certain slip angle, according to magnetic pole two like magnetic poles repel each other, the principle that there is a natural attraction between the sexes, thereby static poised state is broken, the size of the angle that initiatively conductor external rotor turns over depends on the size of belt wheel load torque, now permanent magnetism internal rotor can be subject to the effect of electromagnetic torque, electromagnetic torque increases along with the increase at the slip angle of active electric machine conductors external rotor and driven permanent magnetism internal rotor, when electromagnetic torque surpasses belt wheel load torque, driven permanent magnetism internal rotor starts to rotate.After this, under the driving of motor, initiatively electric machine conductors external rotor will keep certain slip angle synchronous operation with driven permanent magnetism internal rotor.Thereby drives permanent magnetism internal rotor along the direction rotation identical with electric machine conductors external rotor, on load-side belt wheel 9, produce torque, thereby band movable belt pulley 9 rotates,, realize contactless flexible transmission of moment of torsion.Realize the moment of torsion transmission between motor and belt wheel.When load variable load, the static speed governing belt wheel of interior radiation ring type type permanent magnet clutch self-regulating rotary declinate, guarantees that moment of torsion transmission is smooth.Utilize efficient radiating apparatus simultaneously, reduce the temperature of the whole magnet ring 5 of copper ring 2 and radiant type, guarantee that system magnetic working is stable.
Whole process starting current peak value greatly reduce and start-up time very short, realized electric machine soft starting, reduce the starting power consumption of motor and avoid causing larger rush of current.Be particularly useful for frequent motor starting and load variable load and under operating mode, by the static speed governing belt wheel of interior radiation ring type type permanent magnet clutch, connect motor and load equipment frequently.
The maximum load torque that in the utility model, the static speed governing belt wheel of radiation ring type type permanent magnet clutch can bear is determined by the peak torque of static torque characteristic, when load torque values surpasses this peak value size, will produce step-out phenomenon.According to slippage principle; there is not stall in motor; belt is non-slip; realized the overload protection to motor, belt and load equipment; namely permanent-magnetic outer rotor stall (belt wheel 9 does not turn); copper ring 2 in conductor external rotor still can keep motor speed constant with the radially fixedly magnetic line of force of the whole magnet ring 5 of the radiant type of air gap cutting permanent magnetism internal rotor, simultaneously motor overload work.Own overload slippage protective feature, guarantees that motor, load equipment and radiation ring type are harmless in the static speed governing belt wheel type permanent magnet clutch short time.
The static speed governing belt wheel of radiation ring type type permanent magnet clutch in the utility model, utilize outer induction copper ring 2 and the whole internal magnetic ring 5 of radiant type relatively rotate magnetic guiding loop with radially fixedly the magnetic line of force of air gap cutting permanent-magnetic clamp produce magnetic induction force, realize the contactless flexible transmission of moment of torsion between motor and belt wheel 9.According to the requirement of in good time load output variable, under static state, by speed adjusting gear, can meet the requirement of belt wheel 9 speed governing and change load output variable size, realize significantly energy-conservation and raising motor working efficiency of motor.Own overload slippage protective feature, when load is transshipped, motor is stall not, and belt wheel is non-slip, has realized the overload protection to motor, belt wheel and load equipment.Guarantee that motor, load equipment and interior radiation ring type are harmless in the static speed governing belt wheel type permanent magnet clutch short time.
The static speed governing belt wheel of radiation ring type type permanent magnet clutch in the utility model; for the contactless flexible shaft coupling transmitting of moment of torsion; install simple; soft start be can realize, really slippage protection (stopping belt creep protection) and variable speed energy saving transshipped; long service life; reliable; non-maintaining; transmission efficiency is high; greatly reduce systematic running cost and extended useful life of equipment, can dwindle capacity motor, eliminate " low load with strong power " phenomenon; realize energy-conservationly 10～30%, and meet " energy-saving and emission-reduction " policy of country.
Claims (5)
1. the static speed governing belt wheel of interior radiation ring type type permanent magnet clutch, it is characterized in that, comprise conductor external rotor and permanent magnetism internal rotor, described conductor external rotor comprises outward turning change (1), the copper ring (2) being connected with described outward turning change (1) by rivet (3) and be welded on the side air inlet sheet (4) in described outward turning change (1), described copper ring (2) forms outer inductor with described outward turning change (1), motor shaft (22) is connected with described outward turning change (1) by motor axle key bar (23), motor shaft holding screw (21) is fixing by described motor shaft (22) and described outward turning change (1), described permanent magnetism internal rotor comprises the whole magnet ring (5) of radiant type and field of conjugate action adjusting mechanism, described field of conjugate action adjusting mechanism comprises interior rotating ring (6) and the interior rotating ring seat (7) being connected with described interior rotating ring (6) by slide key (18), pull bar screw (19) is connected with described interior rotating ring (6) by screw thread, push rod screw (20) is connected with described interior rotating ring seat (7) by screw thread, the whole magnet ring of described radiant type (5) is connected by viscose glue (15) with described interior rotating ring (6), described interior rotating ring seat (7) is connected by screw with rotating disk axle (8), belt wheel (9) is connected with described rotating disk axle (8) by rotating disk axle key bar (11), catch (10) is fixed by screws on described rotating disk axle (8), described interior rotating ring seat (7) is connected by two inner support bearings (16) with described outward turning change (1), between two described inner support bearings (16), be provided with bearing spacer sleeve (14).
2. the static speed governing belt wheel of interior radiation ring type according to claim 1 type permanent magnet clutch, is characterized in that radially there is fixing air gap between described conductor external rotor and described permanent magnetism internal rotor.
3. the static speed governing belt wheel of interior radiation ring type according to claim 1 and 2 type permanent magnet clutch, is characterized in that, the axial trough of described inner support bearing (16) is provided with jump ring (12).
4. the static speed governing belt wheel of interior radiation ring type according to claim 3 type permanent magnet clutch, is characterized in that, is provided with lubricating cup (13) between two described inner support bearings (16).
5. the static speed governing belt wheel of interior radiation ring type according to claim 4 type permanent magnet clutch, is characterized in that, the groove of described interior rotating ring (6) is provided with sealing ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404672.XU CN203398973U (en) | 2013-07-08 | 2013-07-08 | Inner mushroomed static speed-regulation pulley type permanent magnetic coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404672.XU CN203398973U (en) | 2013-07-08 | 2013-07-08 | Inner mushroomed static speed-regulation pulley type permanent magnetic coupler |
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| Publication Number | Publication Date |
|---|---|
| CN203398973U true CN203398973U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320404672.XU Expired - Fee Related CN203398973U (en) | 2013-07-08 | 2013-07-08 | Inner mushroomed static speed-regulation pulley type permanent magnetic coupler |
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| CN (1) | CN203398973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038020A (en) * | 2014-05-21 | 2014-09-10 | 镇江市江南矿山机电设备有限公司 | Permanent magnet coupling shaft coupling self-centering protecting device |
| CN110752734A (en) * | 2019-10-30 | 2020-02-04 | 南京银茂永磁节能科技有限公司 | Speed regulating method of stepped permanent magnet energy-saving speed regulator |
-
2013
- 2013-07-08 CN CN201320404672.XU patent/CN203398973U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038020A (en) * | 2014-05-21 | 2014-09-10 | 镇江市江南矿山机电设备有限公司 | Permanent magnet coupling shaft coupling self-centering protecting device |
| CN104038020B (en) * | 2014-05-21 | 2017-03-29 | 江苏磁谷科技股份有限公司 | Permanent magnet coupling shaft coupling is from centering protection device |
| CN110752734A (en) * | 2019-10-30 | 2020-02-04 | 南京银茂永磁节能科技有限公司 | Speed regulating method of stepped permanent magnet energy-saving speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20190708 |