CN103346659A - Internal radiation ring type static speed-adjusting permanent magnetic coupling - Google Patents
Internal radiation ring type static speed-adjusting permanent magnetic coupling Download PDFInfo
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- CN103346659A CN103346659A CN 201310238114 CN201310238114A CN103346659A CN 103346659 A CN103346659 A CN 103346659A CN 201310238114 CN201310238114 CN 201310238114 CN 201310238114 A CN201310238114 A CN 201310238114A CN 103346659 A CN103346659 A CN 103346659A
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Abstract
Provided is an internal radiation ring type static speed-adjusting permanent magnetic coupling. The internal radiation ring type static speed-adjusting permanent magnetic coupling is composed of a conductor outer rotor I, a permanent magnetic inner rotor II and a gearing face adjusting mechanism III, wherein the conductor outer rotor I is connected with a motor shaft (17) and a motor shaft key strip (18) through a motor shaft expansion sleeve to lead in motor power, the permanent magnetic inner rotor II is connected with a bearing shaft (19) and a bearing shaft key strip (20) through a bearing shaft expansion sleeve to output torque, and the gearing face adjusting mechanism III is adjusted in a manual mode to change the gearing area between the conductor outer rotor I and the permanent magnetic inner rotor II in a stationary state. The internal radiation ring type static speed-adjusting permanent magnetic coupling is characterized in that the conductor outer rotor I carries out high-speed rotation on an outer copper ring in a single circular ring inductor of the conductor outer rotor I so as to carry out radial fixation and air gap cutting on a magnetic force line of an internal radiation type integral magnetic ring of the permanent magnetic inner rotor II to produce eddy current on the outer copper ring, meanwhile, the eddy current produces an induced magnetic field, and the induced magnetic field and a permanent magnetic field are in interaction to achieve power connectionless transmission. Meanwhile, a high-efficiency heat dissipation device is used for reducing the temperature of the outer copper ring and the temperature of the internal radiation type integral magnetic ring, and stable operation of system magnetic force is ensured.
Description
Technical field
The present invention relates to a kind of device of motor coupler, be applicable to connecting of motor and load under the operating mode that frequent motor starting and load output variable need adjust.
Background technology
Shaft coupling is the parts that often use in the mechanical system power transmission course, is widely used in industries such as petrochemical industry, power industry, mining and boats and ships, Aero-Space, steel and iron industry, papermaking.Along with the continuous development of science and technology, the shaft coupling application constantly enlarges, and technology is also in continuous development, and the new product new technology emerges in an endless stream.
Can the type of shaft coupling be more, usually according to the ability that uncompensated relative displacement is arranged, namely keep the function of connection under the condition that relative displacement takes place, and is divided into positive coupling and flexible coupling.
The advantage that positive coupling has is simple in structure, transmission efficiency is high.But also having can not bumper and absorbing shock, can't compensate the diaxon relative displacement and the shortcoming of soft start function is provided.
Flexible coupling comprises the flexible coupling of inelastic component and the flexible coupling that has elastic component, the former bumper and absorbing shock ability, and the latter's transmission efficiency is then lower.Flexible coupling belongs to the contact shaft coupling, and the little and very difficult assurance of centering alignment error often because the centering installation question causes vibrating and shortening the life-span of seal and bearing, reduces device temperature rising, transmission efficiency.Though the part flexible coupling allows to move under bigger error of centralization condition, can produce periodically additional load at motor and bearing axle, do not tackle the problem at its root.Heavy loading machinery equipment must have the ability to work of " soft start and the protection of overload slippage " in addition, to avoid that equipment is caused very big infringement and easily generation personal injury, reduces the impact to electrical network simultaneously.Realize the load speed governing is had only at present the fluid-flywheel clutch of contact in addition by shaft coupling, but it requires the centering alignment error little, otherwise influence transmission efficiency.
Existing flexible coupling does not possess simultaneously: the centering alignment error is big, soft start, the protection of overload slippage, four functions of speed governing.
In practice, running situation is complicated and changeable, the centering of strict guarantee diaxon in any case, and equipment all can produce vibration after operation a period of time, thereby accelerated wear test, shortens equipment life.So in order to improve the reliability of slewing, eliminate the rigid attachment of shaft coupling between motor shaft and the bearing axle, make that vibration is isolated, is independent of each other between motor and the load; Allow the bigger error of centralization, when equipment is subjected to large impact and load output variable and need adjusts, slippage protection equipment and variable speed energy saving function when soft start, overload can be provided.It is the inexorable trend of following shaft coupling development.
Summary of the invention
Can not bumper and absorbing shock in order to solve positive coupling, can't compensate the diaxon relative displacement and the shortcoming of soft start function is provided.Do not possess simultaneously with existing flexible coupling: the centering alignment error is big, the deficiency of soft start, the protection of overload slippage, four functions of speed governing; the invention provides a kind of in the static speed governing permanent magnet clutch of radiation ring type, realize simultaneously that the centering alignment error is big, soft start, the protection of overload slippage, four functions of speed governing.The power non contact transmission can be given load and have the effect of protecting motor and load equipment.Requirement according in good time load output variable, by field of conjugate action adjusting mechanism, under static state, magnetic force area of contact size between manual adjustments motor conductor external rotor and the load permanent magnetism internal rotor, change the transmission torque, adjusting by load torque realizes the change of load output speed, reaches the requirement of control load output variable.Change the torque of input simultaneously, finally change motor power output size, realize significantly energy-conservation and raising motor working efficiency of motor.
The static speed governing permanent magnet clutch of interior radiation ring type, it has the conductor external rotor I that is connected on the motor shaft and the permanent magnetism internal rotor II that is connected bearing axle, and fixing air gap is radially arranged between conductor external rotor I and the permanent magnetism internal rotor II and realize contactless moment of torsion transmission between motor shaft and the bearing axle by the magnetic force coupling; On permanent magnetism internal rotor II, also be provided with the field of conjugate action adjusting mechanism III that pulling load permanent magnetism internal rotor II axially relatively moves, and described adjusting mechanism III connects into an integral body by load adapter sleeve, slide key, internal thread adapter sleeve, holder and end ring by screw thread, screw and slide key.
Described conductor external rotor I is made of the outward turning change and the conductor loops that are connected on the motor shaft, and conductor loops is fixed on outward turning change inboard.
Fixedly there is the outer shroud fin in the rotating ring outside outside, and fixedly there is the side fin rotating ring side outside.
Rotating ring is connected on the motor shaft by the motor shaft adapter sleeve outside, and simultaneously the motor shaft adapter sleeve is equipped with the motor shaft expansion set outward and motor shaft, motor axle key bar are connected as motor power with the motor shaft adapter sleeve export.
Described permanent magnetism internal rotor II forms by being connected the whole magnet ring of interior rotating disk on the bearing axle and radiant type, the whole magnet ring of radiant type be fixed on the interior rotating disk outer shroud.
To be connected as a single entity with interior rotating disk and bearing axle by the bearing axle adapter sleeve.And with the bearing axle expansion set bearing axle adapter sleeve and bearing axle, load axle key bar are connected as a single entity and import as load power.
The static speed governing permanent magnet clutch of radiation ring type has had the advantage of positive coupling and flexible coupling concurrently in being somebody's turn to do, and is a soft start equipment that does not have the machinery connection.Owing to be to transmit moment of torsion by magnetic field, replace motor with the air gap and be connected with entity between the load.Thereby diaxon separated fully, allow the bigger error of centralization, realized soft starter for motor, eliminated nuisance vibration, wearing and tearing and fracture, transmission efficiency height, the harm that has prolonged electrical machinery life and avoided overload to cause.Under static state, by manual field of conjugate action adjusting mechanism timely adjustment loading speed, reach the requirement that changes load output variable size, realize that motor is significantly energy-conservation.
The invention has the beneficial effects as follows that the static speed governing permanent magnet clutch of interior radiation ring type is contactless shaft coupling, vibration isolation is allowed the bigger error of centralization, is installed simply, can realize soft start, the protection of overload slippage and variable speed energy saving.Long service life, reliable, non-maintaining, transmission efficiency height, energy-conservation 30 ~ 60%.Greatly reduce systematic running cost and prolonged useful life of equipment.Use it also can dwindle capacity motor, eliminate " low load with strong power " phenomenon and meet national " energy-saving and emission-reduction " policy.
This device is a kind of innovative energy-saving product that utilizes the research and development of permanent-magnet eddy current Driving technique
,Adopt the interior whole magnet ring effective dimensions of the single circular ring type induction installation in the fixed-size outside of radial air gap and radially oriented ring type to optimize structure and the high efficiency and heat radiation system, be aided with static speed adjusting gear.Utilize outer induction copper ring and the whole internal magnetic ring of radiant type relatively rotate magnetic conductor with radially fixedly the magnetic line of force of air gap cutting permanent-magnetic clamp produce magnetic strength stress, contactless moment of torsion transmission between realization motor and the load.Requirement according in good time load output variable, under static state, magnetic force area of contact size between manual adjustments motor conductor external rotor and the load permanent magnetism internal rotor, transmit torque thereby change, adjusting by load torque realizes the change of load output speed, reaches the requirement of control load output variable.Realize significantly energy-conservation and raising motor working efficiency of motor.Utilize high efficiency and heat radiation, guarantee system's magnetic force working stability.Own overload slippage protective feature guarantees that motor, load equipment and interior radiation ring type are harmless in the static speed governing permanent magnet clutch short time.
Description of drawings
1. Fig. 1 is principle schematic of the present invention.
Conductor external rotor I: drive conductor external rotor I by motor shaft and rotate at a high speed, outer copper ring is with the fixing magnetic line of force of the whole magnet ring of air gap cutting radiant type and respond to outside and produce eddy current on the copper ring radially, and eddy current produces induced field simultaneously.Utilize efficient radiating apparatus, reduce system temperature, guarantee the magnetic force working stability.
Permanent magnetism internal rotor II: the permanent magnetic field of the whole magnet ring of interior radiant type among the permanent magnetism internal rotor II is subjected to the feasible interior rotating ring rotation of interaction that the conductor external rotor is responded to the outer induction magnetic field in the copper ring outward.And by load the output torque of motor is inputed to load.
Field of conjugate action adjusting mechanism III: under static state, manual adjustments conductor external rotor I and the relative position of permanent magnetism internal rotor II on axis direction, to change the magnetic force area of contact size between conductor external rotor I and the permanent magnetism internal rotor II, control the size of transmitting torque between conductor external rotor I and the permanent magnetism internal rotor II, reach the requirement of regulating load speed and output variable size, realize that motor is energy-efficient.
2. Fig. 2 is structure structural representation of the present invention.
Motor shaft expansion set, motor shaft adapter sleeve, outward turning change, copper ring, the whole magnet ring of radiant type, bearing axle expansion set, bearing axle adapter sleeve, interior rotating ring, side fin, outer shroud fin, rivet, viscose glue, slide key, internal thread adapter sleeve, holder, end ring.
3. Fig. 3 is the static speed governing permanent magnet clutch of interior radiation ring type conductor external rotor magnetizer structure figure: be connected as the motor power output precision with motor shaft, and be system radiating simultaneously.Be the active rotation body.
4. Fig. 4 is the static speed governing permanent magnet clutch of interior radiation ring type permanent magnetism internal rotor permanent-magnetic body structure figure: be connected as the load torque input module with bearing axle, be passive rotary body.Field of conjugate action adjusting mechanism is an one parts.
5. Fig. 5 is the static speed governing permanent magnet clutch of interior radiation ring type field of conjugate action adjusting mechanism figure: be connected parts of importing as load torque with bearing axle with the outward turning change of permanent magnetism internal rotor, be passive rotary body, under static state, the magnetic force area of contact size between adjusting conductor external rotor and the permanent magnetism internal rotor.
6. Fig. 6 is the static speed governing permanent magnet clutch of interior radiation ring type conductor external rotor inductor component drawings: make system produce the device of induced field.
7. Fig. 7 is the static speed governing permanent magnet clutch of interior radiation ring type permanent magnet assembly figure: the device that permanent magnetic field is provided for system.
8. Fig. 8 is the static speed governing permanent magnet clutch of interior radiation ring type assembly drawing.
Reference numeral among the figure::
I--conductor external rotor II--permanent magnetism internal rotor III--field of conjugate action adjusting mechanism
1---motor shaft expansion set 2---motor shaft adapter sleeve 3---outward turning change,
The whole magnet ring 6---of 4---copper ring 5---radiant type bearing axle expansion set
Rotating ring 9---side fin in the 7---bearing axle adapter sleeve 8---
10--outer shroud fin 11--rivet 12--viscose glue
13--slide key 14--internal thread adapter sleeve 15--holder
16--end ring 17--motor shaft 18--motor axle key bar
19--bearing axle 20--load axle key bar.
Embodiment
Shown in Fig. 1-8:
The present invention adopts the single circular ring type induction installation in the fixed-size outside of radial air gap and the interior whole magnet ring effective dimensions of radially oriented ring type to optimize structure and the high efficiency and heat radiation system, is aided with static speed adjusting gear.Realize contactless moment of torsion transmission between motor and the load by the magnetic force coupling, utilize high efficiency and heat radiation, guarantee system's magnetic force working stability.When transshipping, load realizes the automatic slippage protection to motor and load equipment.Under static state, realize load speed governing and electrical machine energy-saving by field of conjugate action adjusting mechanism.The static speed governing permanent magnet clutch concrete structure of interior radiation ring type and technical scheme are as follows: 1 conductor external rotor I: by motor shaft expansion set 1, motor shaft adapter sleeve 2, outward turning change 3, copper ring 4, side fin 9, outer shroud fin 10 and rivet 11, the cylindrical shape integral body that connects into by screw, wherein copper ring 4 and outward turning change 3 are connected and limit copper ring 4 and outward turning change 3 axially relatively moves for machinery cooperates with rivet 11.Outer inductor is formed in copper ring 4 and outward turning change 3.By motor shaft expansion set 1 motor shaft 17, motor axle key bar 18 are connected with motor shaft adapter sleeve 2 as motor power output usefulness.Drive conductor external rotor I by motor shaft 17 during work and rotate copper ring 4 at a high speed with the fixing magnetic line of force of the whole magnet ring 5 of air gap cutting radiant type and produce eddy current at copper ring 4 radially, simultaneously eddy current produce induced field and permanent magnetic field interact drive in rotating disk 8 rotate.Pass to load with Motor torque is contactless.The induced field that eddy current produces is the basis that motor power transmits.Utilize efficient radiating apparatus simultaneously, reduce the temperature of the whole magnet ring 5 of copper ring 4 and radiant type, guarantee system's magnetic force working stability.
The static speed governing permanent magnet clutch of interior radiation ring type inductor adopts the single circle ring in the outside, according to the transmitted power difference, changes outer copper ring diameter and gauge.Design the static speed governing permanent magnet clutch of interior radiation ring type of different size.
2 permanent magnetism internal rotor II: formed by the whole magnet ring 5 of radiant type, bearing axle expansion set 6, outer silk adapter sleeve 7, interior rotating disk 8, slide key 13, internal thread adapter sleeve 14, holder 15 and end ring 16, form the load power input part.Permanent magnetism internal rotor II adopts viscose glue 12 to be connected the whole magnet ring 5 of radiant type is connected as a single entity with interior rotating disk 8.Adopting screw to connect is connected as a single entity interior rotating disk 8 and outer silk adapter sleeve 7.Adopt screw thread to be connected with slide key 13 silk adapter sleeve 7 and internal thread adapter sleeve 14 and holder 15 are connected as a single entity outward.Adopting screw to connect is connected as a single entity internal thread adapter sleeve 14 and end ring 16. during work, the permanent magnetic field of the whole magnet ring 5 of the radiant type among the permanent magnetism internal rotor II be subjected to interaction that conductor external rotor I responds to the induced field in the copper ring outward make in rotating ring 8 rotations.And by bearing axle 19 output torque of motor is inputed to load.Realize contactless moment of torsion transmission between motor and the load by the magnetic force coupling.Permanent magnetic field is the basis of transmitting the motor outputting power and inputing to load.
The static speed governing permanent magnet clutch of interior radiation ring type permanent-magnetic clamp adopts the whole magnet ring structure of inboard radially oriented ring type--single circle ring.According to the transmitted power difference, whole magnet ring 5 diameters of radiant type and gauge and magnetize number of poles what and the interior radiation ring type static state speed governing permanent magnet clutch of design different size in changing.Realize the moment of torsion transmission of the static speed governing permanent magnet clutch of interior radiation ring type of different size.
3 field of conjugate action adjusting mechanism III: be to connect into an integral body by outer silk adapter sleeve 7, slide key 13, internal thread adapter sleeve 14, holder 15 and end ring 16 by screw thread, screw and slide key.Under static state, manually rotate internal thread adapter sleeve 14, owing to be subjected to the restriction of slide key 13, outer silk adapter sleeve 7 can only move axially, thereby pulling permanent magnetism internal rotor II axially relatively moves.With the magnetic force area of contact size between the copper ring 4 that changes conductor external rotor I and the whole magnet ring 5 of the radiant type of permanent magnetism internal rotor II, realize the size of transmitting torque between change conductor external rotor I and the permanent magnetism internal rotor II.Area of contact is big, and the moment of torsion of transmission is big, the load speed height; Area of contact is little, and the moment of torsion of transmission is little, and load speed is little; The moment of torsion that the static speed governing permanent magnet clutch of the moment of torsion of the static speed governing permanent magnet clutch of radiation ring type and interior radiation ring type outputed to load in motor outputed to equates.Like this, we can be according to the requirement of output variable in the load actual moving process.Regulate magnetic force area of contact size, change the transfer of torque size, load torque is little, and the motor output torque is little, and corresponding power output is also little.Realize significantly energy-conservation and raising motor working efficiency of motor.
Own overload slippage protective feature guarantees that motor, load equipment and interior radiation ring type are harmless in the static speed governing permanent magnet clutch short time.
1. in Fig. 1, demonstration be principle of the present invention:
Formed by conductor external rotor I, permanent magnetism internal rotor II, three parts of field of conjugate action adjusting mechanism III.Be characterized in: conductor external rotor I connects motor shaft adapter sleeve 2, motor shaft 17, motor axle key bar 18 introducing motor powers by motor shaft expansion set 1.Permanent magnetism internal rotor II connects bearing axle 19, load axle key bar 20 output torques by the bearing axle expansion set 6 of field of conjugate action adjusting mechanism III; Magnetic force area of contact size between the main manual adjustments conductor of field of conjugate action adjusting mechanism III external rotor I and the permanent magnetism internal rotor II, control load moment of torsion and rotating speed size satisfy the requirement of load output variable in good time, realize that motor is significantly energy-conservation.
During work, drive conductor external rotor I and motor synchronous by motor shaft and rotate its outer induction copper ring at a high speed with the fixing magnetic line of force generation eddy current of the whole magnet ring of interior radiant type among the air gap cutting permanent magnetism internal rotor II radially, eddy current produces induced field and permanent magnetic field interaction simultaneously, driving the interior rotating ring rotation of permanent magnetism internal rotor II, connected the parts of permanent magnetism internal rotor II by bearing axle expansion set 6--the holder 15 of-field of conjugate action adjusting mechanism III and bearing axle 19 and load axle key bar 20 input to load with the output torque of motor.By the magnetic force coupling, realize contactless moment of torsion transmission between motor and the load.According to the requirement of load output variable, under static state, manually rotate internal thread adapter sleeve 14 by field of conjugate action adjusting mechanism III, owing to be subjected to the restriction of slide key 13, outer silk adapter sleeve 7 can only move axially, thus pulling permanent magnetism internal rotor II axially relatively moves.With the magnetic force area of contact size between the copper ring 4 that changes conductor external rotor I and the whole magnet ring 5 of the radiant type of permanent magnetism internal rotor II, in good time control load moment of torsion and rotating speed size; Satisfy the requirement of load output variable, realize that motor is significantly energy-conservation.Utilize efficient radiating apparatus, reduce the temperature of the whole magnet ring 5 of copper ring 4 and radiant type, guarantee system's magnetic force working stability.
2. in Fig. 2, demonstration be structure of the present invention:
Conductor external rotor I is connected with rivet 11 by screw motor shaft expansion set 1, motor shaft adapter sleeve 2, outward turning change 3, copper ring 4, lateral surface fin 9 and outer shroud fin 10 is linked to be cylindrical shape integral body, and wherein copper ring 4 and outward turning change 3 is connected and limits copper ring 4 and outward turning change 3 axially relatively moves for machinery cooperates with rivet 11.Copper ring 4 be positioned at whole magnet ring 5 excircles of radiant type and with the whole magnet ring 5 concentric layouts of radiant type, guarantee the whole magnet ring 5 external diameter radial air gaps of copper ring 4 internal diameters and radiant type evenly, fix.Radial air gap is even, fixing, can obtain the best power source transmission.Conductor external rotor I forms the motor power output block.Utilize efficient radiating apparatus, reduce system temperature, guarantee the magnetic force working stability.
Permanent magnetism internal rotor II is made up of the whole magnet ring 5 of radiant type, bearing axle expansion set 6, outer silk adapter sleeve 7, interior rotating disk 8, slide key 13, internal thread adapter sleeve 14, holder 15 and end ring 16, forms the load power input part.Permanent magnetism internal rotor II adopts viscose glue 12 to be connected the whole magnet ring 5 of radiant type is connected as a single entity with interior rotating disk 8.Adopting screw to connect is connected as a single entity interior rotating disk 8 and outer silk adapter sleeve 7.Adopt screw thread to be connected with slide key 13 silk adapter sleeve 7 and internal thread adapter sleeve 14 and holder 15 are connected as a single entity outward.Adopting screw to connect is connected as a single entity internal thread adapter sleeve 14 and end ring 16.The whole magnet ring 5 of radiant type be positioned at outer induction copper ring and with copper ring 4 concentric layouts, guarantee whole magnet ring 5 external diameters of radiant type and copper ring 4 internal diameter radial air gaps evenly, fix, with the transmission of acquisition best power source.
Field of conjugate action adjusting mechanism III is the parts of permanent magnetism internal rotor II.Be to connect into an integral body by outer silk adapter sleeve 7, slide key 13, internal thread adapter sleeve 14, holder 15 and end ring 16 by screw thread, screw and slide key.Under static state, manually rotate internal thread adapter sleeve 14, owing to be subjected to the restriction of slide key 13, outer silk adapter sleeve 7 can only move axially, thereby pulling load permanent magnetism internal rotor II axially relatively moves.To change the magnetic force area of contact size between conductor external rotor I and the permanent magnetism internal rotor II, realize changing the size of transmitting torque between conductor external rotor I and the permanent magnetism internal rotor II.Satisfy the requirement of load speed governing and output variable, realize that motor is significantly energy-conservation.
3. in Fig. 3, what show is conductor external rotor magnetizer structure installation diagram of the present invention: conductor external rotor I is linked to be single cylindrical shape integral body by motor shaft expansion set 1, motor shaft adapter sleeve 2, outward turning change 3, copper ring 4, side fin 9, outer shroud fin 10 and rivet 11, and wherein copper ring 4 and outward turning change 3 are connected and limit copper ring 4 and outward turning change 3 axially relatively moves for machinery cooperates with rivet 11.Effect: electromechanics power is converted into magnetic field force and exports to the load rotary body, utilize high efficiency and heat radiation simultaneously, reduce system temperature, guarantee system's magnetic force working stability.
Wherein motor shaft expansion set 1 and motor shaft adapter sleeve 2 are used motor shaft 17 and the conductor external rotor I output that is connected as a single entity as motor power for being connected motor shaft usefulness among Fig. 3.
4. in Fig. 4, what show is permanent magnetism internal rotor permanent-magnetic body structure installation diagram of the present invention: permanent magnetism internal rotor II is made up of the whole magnet ring 5 of radiant type, bearing axle expansion set 6, outer silk adapter sleeve 7, interior rotating disk 8, slide key 13, internal thread adapter sleeve 14, holder 15 and end ring 16, forms the load power input part.Permanent magnetism internal rotor II adopts viscose glue 12 to be connected the whole magnet ring 5 of radiant type is connected as a single entity with interior rotating disk 8.Adopting screw to connect is connected as a single entity interior rotating disk 8 and outer silk adapter sleeve 7.Adopt screw thread to be connected with slide key 13 silk adapter sleeve 7 and internal thread adapter sleeve 14 and holder 15 are connected as a single entity outward.Adopting screw to connect is connected as a single entity internal thread adapter sleeve 14 and end ring 16.Effect: magnetic field force is converted into moment of torsion and inputs to bearing axle.
Wherein bearing axle expansion set 6 is used for connecting bearing axle among Fig. 4, connect parts--holder 15, bearing axle 19 and the load axle key bar 20 of-field of conjugate action adjusting mechanism III of permanent magnetism internal rotor II by bearing axle expansion set 6, and use with the permanent magnetism internal rotor II input that is connected as a single entity as load torque.
5. in Fig. 5, demonstration be field of conjugate action adjusting mechanism figure of the present invention: field of conjugate action adjusting mechanism III is the parts of permanent magnetism internal rotor II.Connect into an integral body by outer silk adapter sleeve 7, slide key 13, internal thread adapter sleeve 14, holder 15 and end ring 16 by screw thread, screw and slide key.Under static state, manually rotate internal thread adapter sleeve 14, owing to be subjected to the restriction of slide key 13, outer silk adapter sleeve 7 can only move axially, thereby pulling load permanent magnetism internal rotor II axially relatively moves.To change the magnetic force area of contact size between conductor external rotor I and the permanent magnetism internal rotor II, realize changing the size of transmitting torque between conductor external rotor I and the permanent magnetism internal rotor II.Control load moment of torsion and rotating speed size satisfy the requirement of load output variable in good time, realize that motor is significantly energy-conservation.
6. in Fig. 6, demonstration be motor conductor rotor inductor assembly installation diagram of the present invention: the copper ring 4 in the inductor assembly cooperates for machinery with outward turning change 3, with rivet 11 connections and limit copper ring 4 and outward turning change 3 axially relatively moves.Outer induction height speed rotation copper ring 4 is radially fixedly can produce eddy current in copper ring 4 inductions during the magnetic line of force in the whole magnet ring 5 of air gap cutting radiant type, and eddy current produces induced field.Rotating ring 8 rotations in the induced field that eddy current produces and permanent magnetic field interact and drive.The inductor radial air gap is even, fixing, is the basis of realizing controllable torque output.Be key size.Copper ring 4 is the inductor of proprietary material, has greatly improved transmission efficiency.Side fin 9 is connected with the outward turning change by welding or screw with outer shroud fin 10, for system provides cooling air.
7. in Fig. 7, demonstration be permanent magnet assembly installation diagram of the present invention: permanent magnet is made up of interior rotating ring 8 and the whole magnet ring 5 of radiant type.The whole magnet ring 5 of interior rotating ring 8 and radiant type is mechanical interference fits and splicing, adopts viscose glue 12 to be connected the whole magnet ring 5 of radiant type is connected as a single entity with interior rotating disk 8.How much are the physical dimension control of the whole magnet ring 5 of radiant type and the number of poles that magnetizes, and are the bases of realizing controllable torque output.
8. in Fig. 8, demonstration be assembly drawing of the present invention: adopt standard screws that each part is fitted together by diagram installation site and der group.
9. the static speed governing permanent magnet clutch of the radiation ring type course of work in whole:
The static speed governing permanent magnet clutch of interior radiation ring type is contactless shaft coupling, replaces motor with the air gap and is connected with entity between the load, thereby diaxon is separated fully, allows the bigger error of centralization.During electric motor starting, conductor external rotor I and motor synchronous are rotated at a high speed, because conductor external rotor I and permanent magnetism internal rotor II are contactless shaft coupling, permanent magnetism internal rotor II can not be rotated immediately.In the motor rotation process, the whole magnet ring of the interior radiant type of the outer copper ring in the conductor external rotor I magnetic conductor list annulus inductor and permanent magnetism internal rotor II permanent magnet produces relative rotation, alternating magnetic field is responded to outside by air gap and is produced eddy current on the copper ring, eddy current produces the permanent magnetic field interaction of induced field and the whole magnet ring of interior radiant type simultaneously, because load torque effect, passive permanent magnetism internal rotor II still is in static, after active conductor external rotor I turns over an angle, induced field in its outer induction copper ring and have certain slip angle between the permanent magnetic field of dynamic load permanent magnetism internal rotor II, repel each other according to the magnetic pole same sex, the principle that there is a natural attraction between the sexes, thereby make that static poised state is broken, the size of the angle that active conductor external rotor I turns over depends on the size of load torque, can be subjected to the effect of electromagnetic torque from dynamic load permanent magnetism internal rotor II this moment, electromagnetic torque along with active motor conductor external rotor I with increase from the increase at the slip angle of dynamic load permanent magnetism internal rotor II; When electromagnetic torque surpasses load torque, begin to rotate from dynamic load permanent magnetism internal rotor II.Whole process starting current peak value reduce greatly and start-up time very short, realized electric machine soft starting, reduce the starting power consumption of motor and avoid causing bigger rush of current.Be particularly useful for frequent motor starting and load variable load the connecting of motor and load under the operating mode frequently.
After this, under the driving of motor, initiatively motor conductor external rotor I will with keep certain slip angle synchronous operation from dynamic load permanent magnetism internal rotor II.Thereby drive load permanent magnetism internal rotor II along the direction rotation identical with motor conductor external rotor I.The result produces torque at the load-side output shaft, rotates thereby drive load.Realize the non contact transmission of power.Realize the moment of torsion transmission between motor and the load.The static speed governing permanent magnet clutch of radiation ring type is regulated the slip angle automatically in when the load variable load, guarantees that the moment of torsion transmission is smooth.
Utilize efficient radiating apparatus simultaneously, reduce the temperature of the whole magnet ring 5 of copper ring 4 and radiant type, guarantee system's magnetic force working stability.
The maximum load torque that interior radiation ring 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 the step-out phenomenon.Because the slippage principle, stall does not appear in motor.Realized the overload protection to motor and load equipment.Permanent-magnetic outer rotor II stalling load stall just, but the copper ring 4 among the conductor external rotor I still can keep motor speed constant with the fixing magnetic line of force of the whole magnet ring 5 of radiant type of air gap cutting permanent magnetism internal rotor II radially, motor overload work simultaneously.Own overload slippage protective feature guarantees that motor, load equipment and interior radiation ring type are harmless in the static speed governing permanent magnet clutch short time.
Requirement according in good time load output variable, under static state, regulate conductor external rotor I and the relative position of permanent magnetism internal rotor II on axis direction by field of conjugate action adjusting mechanism III, manually rotate the internal thread adapter sleeve, owing to be subjected to the restriction of slide key, outer silk adapter sleeve can only move axially, thereby pulling permanent magnetism internal rotor II axially relatively moves.To change the magnetic force area of contact size between conductor external rotor I and the permanent magnetism internal rotor II, realize changing the size of transmitting torque between motor conductor external rotor I and the load permanent magnetism internal rotor II.The static speed governing permanent magnet clutch of interior radiation ring type is to come the control of realization speed by regulating moment of torsion, and area of contact is big, and the moment of torsion of transmission is big, the load speed height; Area of contact is little, and the moment of torsion of transmission is little, and load speed is little; The moment of torsion that the static speed governing permanent magnet clutch of the moment of torsion of the static speed governing permanent magnet clutch of radiation ring type and interior radiation ring type outputed to load in motor outputed to equates.Like this, we can regulate magnetic force area of contact size according to the size of output variable in the load actual moving process, change the transfer of torque size, and load torque is little, and the motor output torque is little, and corresponding power output is also little.Realize significantly energy-conservation and raising motor working efficiency of motor.
The static speed governing permanent magnet clutch of interior radiation ring type package unit has been realized finishing smoothly of contactless transmission of power, the protection of overload slippage and variable speed energy saving.
Conductor loops employing magnetic conduction electric conducting material such as copper, aluminum are done among the present invention.
Claims (6)
1. the static speed governing permanent magnet clutch of interior radiation ring type, it is characterized in that having the conductor external rotor (I) that is connected on the motor shaft (17) and the permanent magnetism internal rotor (II) that is connected bearing axle (19), and fixing air gap is radially arranged between conductor external rotor (I) and the permanent magnetism internal rotor (II) and realize contactless moment of torsion transmission between motor shaft (21) and the bearing axle (23) by the magnetic force coupling; On permanent magnetism internal rotor (II), also be provided with the field of conjugate action adjusting mechanism (III) that pulling load permanent magnetism internal rotor (II) axially relatively moves, and described adjusting mechanism (III) connects into an integral body by load adapter sleeve (7), slide key (13), internal thread adapter sleeve (14), holder (15) and end ring (16) by screw thread, screw and slide key.
2. the static speed governing permanent magnet clutch of radiation ring type in according to claim 1, it is characterized in that described conductor external rotor (I) is to be made of the outward turning change (3) and the conductor loops (4) that are connected on the motor shaft (17), conductor loops (4) is fixed on outward turning change (3) inboard.
3. the static speed governing permanent magnet clutch of interior radiation ring type according to claim 2 is characterized in that fixedly there is outer shroud fin (10) in rotating ring (3) outside outside, and fixedly there is side fin (9) rotating ring (3) side outside.
4. the static speed governing permanent magnet clutch of radiation ring type in according to claim 2, it is characterized in that rotating ring (3) is connected on the motor shaft (21) by motor shaft adapter sleeve (2) outside, simultaneously the outer motor shaft expansion set (1) that is equipped with of motor shaft adapter sleeve (2) is connected motor shaft (21), motor axle key bar (22) as motor power with motor shaft adapter sleeve (2) and exports.
5. the static speed governing permanent magnet clutch of radiation ring type in according to claim 1, it is characterized in that described permanent magnetism internal rotor (II) forms by being connected the whole magnet ring of interior rotating disk (8) on the bearing axle (23) and radiant type (5), the whole magnet ring of radiant type (5) and being fixed on interior rotating disk (8) outer shroud.
6. the static speed governing permanent magnet clutch of radiation ring type in according to claim 5, it is characterized in that to be connected as a single entity with interior rotating disk (8) and bearing axle (23) by bearing axle adapter sleeve (7), and with bearing axle expansion set (6) bearing axle adapter sleeve (7) and bearing axle (23), load axle key bar (16) are connected as a single entity and import as load power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310238114 CN103346659A (en) | 2013-06-17 | 2013-06-17 | Internal radiation ring type static speed-adjusting permanent magnetic coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310238114 CN103346659A (en) | 2013-06-17 | 2013-06-17 | Internal radiation ring type static speed-adjusting permanent magnetic coupling |
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| Publication Number | Publication Date |
|---|---|
| CN103346659A true CN103346659A (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201310238114 Pending CN103346659A (en) | 2013-06-17 | 2013-06-17 | Internal radiation ring type static speed-adjusting permanent magnetic coupling |
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| CN (1) | CN103346659A (en) |
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| CN104852551A (en) * | 2015-05-25 | 2015-08-19 | 南京工程学院 | Permanent magnetic differential drive mechanism |
| CN107147273A (en) * | 2016-03-01 | 2017-09-08 | 李启飞 | Lead screw pivoting support combined speed regulating cartridge type magnetic coupling |
| CN107605987A (en) * | 2017-10-23 | 2018-01-19 | 宝鸡泰华磁机电技术研究所有限公司 | The double clutch driving units of permanent magnetism for beeliner |
| CN107979262A (en) * | 2015-01-21 | 2018-05-01 | 北京华电润泽环保有限公司 | Permanent magnet eddy current coupling |
| CN111064311A (en) * | 2019-12-19 | 2020-04-24 | 庆安集团有限公司 | Magnetic suspension bearing power transmission system |
| CN111379796A (en) * | 2020-03-28 | 2020-07-07 | 梅国强 | Bearing coupling and directly electrically driven and power generating bearing and drive system |
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| CN114244069A (en) * | 2021-12-31 | 2022-03-25 | 南京玛格耐特智能科技有限公司 | Compact permanent magnet torque transmission equipment |
| CN117047652A (en) * | 2023-09-13 | 2023-11-14 | 哈尔滨理工大学 | Self-centering and adjustable pretightening force type ultrasonic vibration grinding clamp for internal spline |
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| CN107979262A (en) * | 2015-01-21 | 2018-05-01 | 北京华电润泽环保有限公司 | Permanent magnet eddy current coupling |
| CN104852551A (en) * | 2015-05-25 | 2015-08-19 | 南京工程学院 | Permanent magnetic differential drive mechanism |
| CN107147273A (en) * | 2016-03-01 | 2017-09-08 | 李启飞 | Lead screw pivoting support combined speed regulating cartridge type magnetic coupling |
| CN107605987B (en) * | 2017-10-23 | 2023-05-23 | 宝鸡泰华磁机电技术研究所有限公司 | Permanent magnet double clutch driving device for railway diesel locomotive |
| CN107605987A (en) * | 2017-10-23 | 2018-01-19 | 宝鸡泰华磁机电技术研究所有限公司 | The double clutch driving units of permanent magnetism for beeliner |
| CN111064311A (en) * | 2019-12-19 | 2020-04-24 | 庆安集团有限公司 | Magnetic suspension bearing power transmission system |
| CN111379796A (en) * | 2020-03-28 | 2020-07-07 | 梅国强 | Bearing coupling and directly electrically driven and power generating bearing and drive system |
| CN111412222A (en) * | 2020-03-28 | 2020-07-14 | 梅国强 | Novel interior external tooth bearing and avoid idle running bearing axle |
| CN111379796B (en) * | 2020-03-28 | 2022-02-22 | 上海拓泓机械科技有限公司 | Bearing coupling and directly electrically driven and power generating bearing and drive system |
| CN114244069A (en) * | 2021-12-31 | 2022-03-25 | 南京玛格耐特智能科技有限公司 | Compact permanent magnet torque transmission equipment |
| CN114244069B (en) * | 2021-12-31 | 2023-10-24 | 南京玛格耐特智能科技有限公司 | Compact permanent magnet torque transmission equipment |
| CN117047652A (en) * | 2023-09-13 | 2023-11-14 | 哈尔滨理工大学 | Self-centering and adjustable pretightening force type ultrasonic vibration grinding clamp for internal spline |
| CN117047652B (en) * | 2023-09-13 | 2024-05-10 | 哈尔滨理工大学 | Self-centering and adjustable pretightening force type ultrasonic vibration grinding clamp for internal spline |
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Application publication date: 20131009 |