CN113014036B - Active feedback motor for dynamic reconfiguration of driving system - Google Patents
Active feedback motor for dynamic reconfiguration of driving system Download PDFInfo
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- CN113014036B CN113014036B CN202110329289.1A CN202110329289A CN113014036B CN 113014036 B CN113014036 B CN 113014036B CN 202110329289 A CN202110329289 A CN 202110329289A CN 113014036 B CN113014036 B CN 113014036B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of motors, in particular to an active feedback motor for dynamic reconfiguration of a driving system, which comprises a plurality of motor units and a transmission box connected with the output ends of the motor units, wherein the transmission box is in transmission connection with the motor units through a magnetic coupling, and a transmission shaft in the transmission box is in transmission connection with an output shaft through a feedback coupling; according to the invention, the power of the motor unit is integrated and output through the transmission case, the feedback type coupling is arranged between the transmission case and the output shaft, the increase and decrease conditions of the load can be obtained by utilizing the rotation speed difference between the output shaft and the coupling and the rotation speed difference between the transmission case and the coupling, and the load can be fed back to the motor unit to control the parallel connection or replacement of the motor unit, so that the power system obtains more proper power output, and the whole system adopts a radial connection mode, so that the transmission is more stable and the power fluctuation is small.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an active feedback motor for dynamic reconfiguration of a driving system.
Background
In some industrial application fields, a plurality of permanent magnet synchronous motors are often required to cooperatively output, as a link of motion control, the shafts of the motors are connected together, and the motors coaxially operate, but the coaxial operation mode cannot achieve a large-range load adjustment capability, and the motors can achieve maximum transmission efficiency at a certain rotating speed, so that a mode of selecting motors with different numbers or powers at proper time to drive is required to achieve an optimal driving state.
Disclosure of Invention
The present invention aims to provide an active feedback motor for dynamic reconfiguration of a drive system to solve the problems set forth in the background art above.
In order to solve the technical problems, the invention provides the following technical scheme: the active feedback motor for dynamic reconfiguration of the driving system comprises a plurality of motor units and a transmission box connected to the output ends of the motor units, wherein the transmission box is in transmission connection with the motor units through magnetic couplings, a transmission shaft in the transmission box is in transmission connection with an output shaft through a feedback coupling, and the feedback coupling is in signal connection with the magnetic coupling to control the connection state between the motor units and the transmission shaft.
The output shaft is connected with the load, the motor unit comprises a plurality of motors with the same or different power and the same or different model, the control of different power or different running states of the load can be realized, such as high speed, low speed, constant torque, high torque, low torque, constant speed and the like, different outputs can be realized through different combinations, the magnetic couplings transmit power through non-contact connection, the separation and the matching are convenient, the connection process is relatively stable, no impact and collision are generated, the stable power output is ensured, the longer service life and the reliability are ensured, the rotating speeds of the output shaft and the transmission shaft can be fed back through the feedback couplings, the feedback signals are transmitted to the controller, the controller is utilized to control the involution of different magnetic couplings, and the power of different motor units is integrated and output, so that the better output state is achieved.
Further, the magnetic coupling comprises a first magnetic disk, a second bevel gear and a magnetic suspension bearing, wherein the first magnetic disk is fixed on the outer wall of the transmission shaft, the second bevel gear is rotationally connected with the transmission shaft through the magnetic suspension bearing, the output end of the motor unit is connected with a first bevel gear, and the first bevel gear is meshed with the second bevel gear.
The magnetic strips which are distributed in a central symmetry mode are arranged on the first magnetic disc and the second magnetic disc, when the first magnetic disc and the second magnetic disc are close to each other, the magnetic strips on the first magnetic disc and the second magnetic disc interact, so that the first magnetic disc and the second magnetic disc reach the same rotating speed, and further, radial grooves are formed in the end faces of the first magnetic disc and the second magnetic disc, and the first magnetic disc and the second magnetic disc can be clamped in when being close to each other, so that the same rotating speed is guaranteed.
Further, the second magnetic disk is located on one side, close to the first magnetic disk, of the second bevel gear, the second magnetic disk is fixedly connected with the second bevel gear in the circumferential direction, and the second magnetic disk is in axial transmission connection with the magnetic suspension bearing through electromagnetic force.
The second bevel gear and the second magnetic disk are not in direct contact with the transmission shaft through the magnetic suspension bearing, so that friction force can be reduced, the magnetic coil which is arranged along the radial direction is arranged on the magnetic suspension bearing, when the coil is controlled to be electrified, the displacement of the second magnetic disk along the radial direction can be controlled, and therefore the second bevel gear and the second magnetic disk are far away from or close to the first magnetic disk, and the second bevel gear and the second magnetic disk are fixed through a sliding key along the circumferential direction.
Further, the feedback coupling comprises a first cover body, a second cover body, an intermediate rotor and an output cover body, wherein a sealed cavity is formed inside the first cover body and the second cover body in a mutually-matched mode, the transmission shaft is fixed on the outer side of the first cover body, the output shaft penetrates through the second cover body and is fixedly connected with the output cover body, the intermediate rotor can axially move through a limiting shaft and an intermediate rotating shaft and is rotationally connected with the first cover body, and the output cover body is located on one side of the intermediate rotor.
The sealed cavity formed by the first cover body and the second cover body which are mutually matched is filled with transmission liquid, the transmission shaft drives the first cover body and the second cover body to rotate, the second cover body and the output shaft rotate, an intermediate rotor is arranged in the sealed cavity, the output shaft is fixedly connected with the output cover body, the rotation of the first cover body and the second cover body can drive the rotation of the intermediate rotor, the intermediate rotor can drive the output cover body to rotate, so that the power of the transmission shaft is output to the output shaft, and the supply condition of a load side can be fed back through the rotation speed change between the transmission shaft and the intermediate rotor and the rotation speed change between the intermediate rotor and the output cover body, so that the power output of a system can be dynamically adjusted.
Further, the middle rotor is a disc type or a column type, an annular groove is formed in the end face, close to one side of the output cover body, of the middle rotor, one part of the output cover body extends into the annular groove, a second permanent magnet is arranged on the inner side of the output cover body, an inner layer adjusting magnet which is distributed corresponding to the second permanent magnet is arranged on the inner side of the annular groove, a positioning pin is arranged on the end face, close to one end of the middle rotor, of the output cover body, and a positioning groove matched with the positioning pin is formed in the end face of the annular groove.
The output cover body is partly extended in the annular groove, so that the relative acting surface between the output cover body and the middle rotor is increased, the second permanent magnet and the inner layer adjusting magnet can be arranged to increase the interaction force between the output cover body and the middle rotor, so that the middle rotor transmits the rotation power to the output cover body, and in addition, the circumferential state between the output cover body and the middle rotor can be locked through the positioning pin and the positioning groove, the rigid transmission is performed, and the output cover is suitable for more load occasions.
Further, an outer layer adjusting magnet is arranged on the outer wall of the intermediate rotor, a first permanent magnet which is correspondingly distributed with the outer layer adjusting magnet is arranged on the inner wall of the first cover body, a plurality of front end blades which are distributed in a central symmetry mode are arranged on the end face, away from one side of the output cover body, of the intermediate rotor, first disturbance blades which are correspondingly distributed with the front end blades are arranged on the inner wall of the first cover body, second disturbance blades which are distributed in a central symmetry mode are arranged on the inner wall of the second cover body, rear end blades which are correspondingly distributed with the second disturbance blades are arranged on the outer wall of the output cover body, a locking rod is further arranged on the inner wall of the second cover body, and positioning holes matched with the locking rod are formed in the end face of the intermediate rotor.
The outer layer adjusting magnet arranged on the outer side can be used for transmitting magnetic force with the first cover body, in addition, through the front end blades, the first disturbance blades and other blades, disturbance in rotation can be increased through transmission liquid in the cavity, transmission of force between the middle rotor and the first cover body and transmission of force between the middle rotor and the output cover body are increased, and rigidity of transmission is increased under different transmission states by the aid of the locking rod and the positioning holes.
Further, the limiting shafts are fixed at two ends of the middle rotating shaft and used for limiting the axial position of the middle rotor, and the limiting shafts are respectively connected with the first cover body and the output cover body in a rotating mode.
The limiting shaft can limit two positions of the middle rotor to be in a radial connection state of the left end or a rigid connection state of the right end.
Further, the outer layer adjusting magnet and the inner layer adjusting magnet comprise strip-shaped third permanent magnets and strip-shaped electromagnets, the third permanent magnets comprise a plurality of permanent magnet blocks connected end to end, the length of each electromagnet is one half of the length of each third permanent magnet, and the length of each third permanent magnet is equal to the length of each first permanent magnet.
Further, the third permanent magnet and the first permanent magnet are attracted to each other in the axial direction of the transmission shaft.
Further, the strip-shaped electromagnet consists of a plurality of electromagnetic units.
A plurality of electromagnetic units are arranged in the strip-shaped electromagnetic body, when the magnetic poles on the strip-shaped electromagnetic body and the first permanent magnet are mutually corresponding, the electromagnetic units are in an attractive state, so that stable positions can be kept in the axial direction, attractive force is generated during relative rotation, when the magnetic field of the electromagnetic units is changed, driving force is generated in the axial direction, the electromagnetic units move from a first position state to a second position state, and original radial connection is changed into rigid connection, so that the electromagnetic units can adapt to more driving occasions.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the power of the motor unit is integrated and output through the transmission case, the feedback type coupling is arranged between the transmission case and the output shaft, the increase and decrease conditions of the load can be obtained by utilizing the rotation speed difference between the output shaft and the coupling and the rotation speed difference between the transmission case and the coupling, and the load can be fed back to the motor unit to control the parallel connection or replacement of the motor unit, so that the power system obtains more proper power output, and the whole system adopts a radial connection mode, so that the transmission is more stable and the power fluctuation is small.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the structure of a feedback coupling of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 in another state;
FIG. 4 is a schematic view of an outer conditioning magnet of the present invention moving from a first position to a second position;
FIG. 5 is a schematic cross-sectional view of B-B of FIG. 2;
FIG. 6 is a schematic view of the structure at A in FIG. 1;
in the figure: 1. a motor unit; 101. a first bevel gear; 2. a transmission case; 21. a magnetic coupling; 211. a first magnetic disk; 212. a second magnetic disk; 213. a second bevel gear; 214. a magnetic suspension bearing; 22. a transmission shaft; 3. a feedback coupling; 301. an output shaft; 31. a first cover; 311. a first perturbing vane; 312. a first permanent magnet; 32. a second cover; 321. a second perturbing vane; 322. a locking lever; 33. an intermediate rotor; 330. an annular groove; 331. a limiting shaft; 332. front end blades; 333. a positioning groove; 334. a middle rotating shaft; 335. an outer layer adjusting magnet; 336. an inner layer adjusting magnet; 34. an output cover; 341. a rear end blade; 342. a second permanent magnet; 343. a positioning pin; 4. an electromagnetic unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the active feedback motor for dynamic reconfiguration of the driving system comprises a plurality of motor units 1 and a transmission case 2 connected to the output ends of the motor units 1, wherein the transmission case 2 is in transmission connection with the motor units 1 through a magnetic coupling 21, a transmission shaft 22 in the transmission case 2 is in transmission connection with an output shaft 301 through a feedback coupling 3, and a signal is connected between the feedback coupling 3 and the magnetic coupling 21 to control the connection state between the motor units 1 and the transmission shaft 22.
The output shaft 301 is connected with a load, the motor unit 1 comprises a plurality of motors with the same or different power and the same or different model, the control of different power or different running states of the load, such as high speed, low speed, constant torque, high torque, low torque, constant speed and the like, can be realized, different outputs can be realized through different combinations, the magnetic coupling 21 transmits power through non-contact connection, separation and matching are convenient, the connection process is relatively stable, no impact and collision exist, the power output is stable, the longer service life and reliability are ensured, the rotating speeds of the output shaft 301 and the transmission shaft 22 can be fed back through the feedback coupling 3, the feedback signals are transmitted to the controller, the controller is utilized for controlling the involution of different magnetic couplings 21, and the power of different motor units 1 is integrated and output, so that the better output state is achieved.
Specifically, as shown in fig. 6, the magnetic coupling 21 includes a first magnetic disk 211, a second magnetic disk 212, a second bevel gear 213, and a magnetic suspension bearing 214, the first magnetic disk 211 is fixed on the outer wall of the transmission shaft 22, the second bevel gear 213 is rotationally connected with the transmission shaft 22 through the magnetic suspension bearing 214, the output end of the motor unit 1 is connected with a first bevel gear 101, and the first bevel gear 101 is in meshed connection with the second bevel gear 213.
The magnetic strips which are distributed in a central symmetry mode are arranged on the first magnetic disc 211 and the second magnetic disc 212, when the first magnetic disc 211 and the second magnetic disc 212 are close to each other, the magnetic strips on the first magnetic disc 211 and the second magnetic disc 212 interact, so that the first magnetic disc 211 and the second magnetic disc 212 achieve the same rotating speed, and further, radial grooves are formed in the end faces of the first magnetic disc 211 and the second magnetic disc 212, and the magnetic strips can be clamped in when being close to each other, so that the same rotating speed is guaranteed.
Specifically, the second magnetic disk 212 is located at one side of the second bevel gear 213 near the first magnetic disk 211, and the second magnetic disk 212 is fixedly connected with the second bevel gear 213 circumferentially, and the second magnetic disk 212 is connected with the magnetic suspension bearing 214 in an axial transmission manner by electromagnetic force.
The second bevel gear 213, the second magnetic disk 212 are not in direct contact with the drive shaft 22 through the magnetic bearing 214, so that friction can be reduced, and magnetic coils arranged in the radial direction are provided on the magnetic bearing 214, when the coils are controlled to be energized, displacement of the second magnetic disk 212 in the radial direction can be controlled so as to be away from or close to the first magnetic disk 211, and fixing between the second bevel gear 213 and the second magnetic disk 212 in the circumferential direction is performed by means of a sliding key.
Specifically, as shown in fig. 2-3, the feedback coupling 3 includes a first cover 31, a second cover 32, an intermediate rotor 33 and an output cover 34, where the first cover 31 and the second cover 32 are mutually combined to form a sealed cavity, the transmission shaft 22 is fixed on the outer side of the first cover 31, the output shaft 301 penetrates the second cover 32 and is fixedly connected with the output cover 34, the intermediate rotor 33 is rotatably connected with the first cover 31 by a limiting shaft 331 and an intermediate rotating shaft 334, and the output cover 34 is located on one side of the intermediate rotor 33.
The sealed cavity formed by mutually involution of the first cover body 31 and the second cover body 32 is filled with transmission liquid, the transmission shaft 22 drives the first cover body 31 and the second cover body 32 to rotate, the second cover body 32 and the output shaft 301 rotate, an intermediate rotor 33 is arranged in the sealed cavity, the output shaft 301 and the output cover body 34 are fixedly connected, the rotation of the first cover body 31 and the second cover body 32 can drive the intermediate rotor 33 to rotate, the intermediate rotor 33 can drive the output cover body 34 to rotate, so that the power of the transmission shaft 22 is output to the output shaft 301, and the supply condition of a load side can be fed back through the rotation speed change between the transmission shaft 22 and the intermediate rotor 33 and the rotation speed change between the intermediate rotor 33 and the output cover body 34, so that the power output of the system can be dynamically adjusted.
Specifically, as shown in fig. 2-3, the middle rotor 33 is in a disc or column shape, an annular groove 330 is formed on an end surface of the middle rotor 33, which is close to the output cover 34, a part of the output cover 34 extends into the annular groove 330, a second permanent magnet 342 is arranged on the inner side of the output cover 34, an inner layer adjusting magnet 336 distributed corresponding to the second permanent magnet 342 is arranged on the inner side of the annular groove 330, a positioning pin 343 is arranged on an end surface of the output cover 34, which is close to one end of the middle rotor 33, and a positioning groove 333 matched with the positioning pin 343 is formed on an end surface of the annular groove 330.
A part of the output cover 34 extends in the annular groove 330, so that the relative acting surface between the output cover 34 and the middle rotor 33 is increased, a second permanent magnet 342 and an inner layer adjusting magnet 336 can be arranged to increase the interaction force between the output cover 34 and the middle rotor 33, so that the middle rotor 33 transmits the rotation power to the output cover 34, and in addition, the circumferential state between the output cover 34 and the middle rotor 33 can be locked through a positioning pin 343 and a positioning groove 333, so that the rigid transmission is performed, and the device is suitable for more load occasions.
Specifically, the outer wall of the intermediate rotor 33 is provided with an outer layer adjusting magnet 335, the inner wall of the first cover body 31 is provided with a first permanent magnet 312 which is distributed corresponding to the outer layer adjusting magnet 335, the end surface of the intermediate rotor 33, which is far away from the output cover body 34, is provided with a plurality of front end blades 332 which are distributed in a central symmetry manner, the inner wall of the first cover body 31 is provided with first disturbance blades 311 which are distributed corresponding to the front end blades 332, the inner wall of the second cover body 32 is provided with second disturbance blades 321 which are distributed in a central symmetry manner, the outer wall of the output cover body 34 is provided with rear end blades 341 which are distributed corresponding to the second disturbance blades 321, the inner wall of the second cover body 32 is also provided with a locking rod 322, and the end surface of the intermediate rotor 33 is provided with positioning holes which are matched with the locking rod 322.
The outer layer adjusting magnet 335 provided on the outside can transmit magnetic force to the first cover 31, and the front end blade 332, the first disturbance blade 311, and the like can increase disturbance in rotation by the transmission fluid in the cavity, increase force transmission between the intermediate rotor 33 and the first cover 31 and the output cover 34, and increase transmission rigidity in different transmission states by the lock lever 322 and the positioning hole.
Specifically, the limiting shafts 331 are fixed at two ends of the intermediate rotating shaft 334 and used for limiting the axial position of the intermediate rotor 33, and the limiting shafts 331 are respectively connected with the first cover 31 and the output cover 34 in a rotating manner.
The limiting shaft 331 may define two positions of the middle rotor 33 to be in a radially coupled state of the left end or a rigidly coupled state of the right end.
Specifically, as shown in fig. 4, the outer layer adjusting magnet 335 and the inner layer adjusting magnet 336 each include a strip-shaped third permanent magnet and a strip-shaped electromagnet, where the third permanent magnet includes a plurality of permanent magnet blocks connected end to end, the length of the electromagnet is one half of the length of the third permanent magnet, and the length of the third permanent magnet is equal to the length of the first permanent magnet 312.
The strip-shaped electromagnet is internally provided with a plurality of electromagnetic units 4, when the magnetic poles on the strip-shaped electromagnet and the first permanent magnet 312 correspond to each other, the strip-shaped electromagnet is in an attractive state, so that a stable position can be kept in the axial direction, attractive force is generated during relative rotation, when the magnetic field of the electromagnetic units 4 is changed, driving force is generated in the axial direction, the electromagnetic units move from a first position state to a second position state, and the original radial connection is changed into a rigid connection, so that the strip-shaped electromagnet can be suitable for more driving occasions.
Specifically, the third permanent magnet and the first permanent magnet 312 are attracted to each other in the axial direction of the propeller shaft 22.
In particular, the strip-shaped electromagnet is composed of a plurality of electromagnetic units 4.
The working principle of the invention is as follows: the output shaft 301 is connected with a load, the motor unit 1 comprises a plurality of motors with the same or different power and the same or different model, the control of different power or different running states of the load, such as high speed, low speed, constant torque, high torque, low torque, constant speed and the like, can be realized, different outputs can be realized through different combinations, the magnetic coupling 21 transmits power through non-contact connection, the separation and the matching are convenient, the connection process is relatively stable, no impact and collision exist, the stable power output is ensured to ensure longer service life and reliability, the rotating speeds of the output shaft 301 and the transmission shaft 22 can be fed back through the feedback coupling 3, the feedback signals are transmitted to the controller, the controller is utilized to control the involution of different magnetic couplings 21, the power of different motor units 1 is integrated and output again, so as to achieve a better output state, the first magnetic disk 211 and the second magnetic disk 212 are respectively provided with magnetic strips which are distributed in a central symmetry way, when the first magnetic disk 211 and the second magnetic disk 212 are close to each other, the magnetic strips on the first magnetic disk 211 and the second magnetic disk 212 interact to enable the first magnetic disk 211 and the second magnetic disk 212 to reach the same rotating speed, further, radial grooves are arranged on the end surfaces of the first magnetic disk 211 and the second magnetic disk 212 and can be clamped in during approaching to ensure the same rotating speed, the second bevel gear 213 and the second magnetic disk 212 are not in direct contact with the transmission shaft 22 through the magnetic suspension bearing 214, so that friction force can be reduced, and magnetic coils which are arranged in the radial direction are arranged on the magnetic suspension bearing 214, when the coils are controlled to be electrified, the displacement of the second magnetic disk 212 in the radial direction can be controlled to be far away from or close to the first magnetic disk 211, and the second bevel gear 213 and the second magnetic disk 212 are fixed by utilizing sliding keys in the circumferential direction, the sealed cavity formed by mutually involution of the first cover body 31 and the second cover body 32 is filled with transmission liquid, the transmission shaft 22 drives the first cover body 31 and the second cover body 32 to rotate, the second cover body 32 and the output shaft 301 rotate, an intermediate rotor 33 is arranged in the sealed cavity, the output shaft 301 and the output cover body 34 are fixedly connected, the rotation of the first cover body 31 and the second cover body 32 can drive the intermediate rotor 33 to rotate, the intermediate rotor 33 can drive the output cover body 34 to rotate, so that the power of the transmission shaft 22 is output to the output shaft 301, and the supply condition of a load side can be fed back through the rotation speed change between the transmission shaft 22 and the intermediate rotor 33 and the rotation speed change between the intermediate rotor 33 and the output cover body 34, so that the power output of the system can be dynamically adjusted.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An active feedback motor for dynamic reconfiguration of a driving system comprises a plurality of motor units (1) and a transmission case (2) connected to the output ends of the motor units (1), wherein the transmission case (2) is in transmission connection with the motor units (1) through a magnetic coupling (21), a transmission shaft (22) in the transmission case (2) is in transmission connection with an output shaft (301) through a feedback coupling (3), and the feedback coupling (3) is in signal connection with the magnetic coupling (21) to control the connection state between the motor units (1) and the transmission shaft (22);
the feedback type coupling (3) comprises a first cover body (31), a second cover body (32), an intermediate rotor (33) and an output cover body (34), wherein the first cover body (31) and the second cover body (32) are mutually matched to form a sealed cavity, the transmission shaft (22) is fixed on the outer side of the first cover body (31), the output shaft (301) penetrates through the second cover body (32) and is fixedly connected with the output cover body (34), the intermediate rotor (33) is rotationally connected relative to the first cover body (31) through a limiting shaft (331) and an intermediate rotating shaft (334) and can axially move, and the output cover body (34) is positioned on one side of the intermediate rotor (33);
the magnetic coupling (21) comprises a first magnetic disk (211), a second magnetic disk (212), a second bevel gear (213) and a magnetic suspension bearing (214), wherein the first magnetic disk (211) is fixed on the outer wall of the transmission shaft (22), the second bevel gear (213) is rotationally connected with the transmission shaft (22) through the magnetic suspension bearing (214), the output end of the motor unit (1) is connected with a first bevel gear (101), and the first bevel gear (101) is in meshed connection with the second bevel gear (213);
the first magnetic disk (211) and the second magnetic disk (212) are respectively provided with magnetic stripes which are distributed in a central symmetry mode, and when the first magnetic disk (211) and the second magnetic disk (212) are close to each other, the magnetic stripes on the first magnetic disk (211) and the second magnetic disk (212) interact with each other to enable the first magnetic disk (211) and the second magnetic disk (212) to achieve the same rotating speed;
the second magnetic disk (212) is positioned on one side, close to the first magnetic disk (211), of the second bevel gear (213), the second magnetic disk (212) is fixedly connected with the second bevel gear (213) in the circumferential direction, and the second magnetic disk (212) is in axial transmission connection with the magnetic suspension bearing (214) through electromagnetic force;
the middle rotor (33) is in a disc shape or a column shape, an annular groove (330) is formed in the end face, close to one end face of the output cover body (34), of the middle rotor (34), a part of the output cover body (34) extends into the annular groove (330), a second permanent magnet (342) is arranged on the inner side of the output cover body (34), an inner layer adjusting magnet (336) which is distributed corresponding to the second permanent magnet (342) is arranged on the inner side of the annular groove (330), a positioning pin (343) is arranged on the end face, close to one end of the middle rotor (33), of the output cover body (34), and a positioning groove (333) which is matched with the positioning pin (343) is formed in the end face of the annular groove (330);
an outer layer adjusting magnet (335) is arranged on the outer wall of the middle rotor (33), a first permanent magnet (312) which is distributed corresponding to the outer layer adjusting magnet (335) is arranged on the inner wall of the first cover body (31), a plurality of front end blades (332) which are distributed in a central symmetry manner are arranged on the end face of one side, far away from the output cover body (34), of the middle rotor (33), a first disturbance blade (311) which is distributed corresponding to the front end blades (332) is arranged on the inner wall of the first cover body (31), a second disturbance blade (321) which is distributed in a central symmetry manner is arranged on the inner wall of the second cover body (32), a rear end blade (341) which is distributed corresponding to the second disturbance blade (321) is arranged on the outer wall of the output cover body (34), a locking rod (322) is further arranged on the inner wall of the second cover body, and a positioning hole which is matched with the locking rod (322) is arranged on the end face of the middle rotor (33);
the limiting shafts (331) are fixed at two ends of the middle rotating shaft (334) and used for limiting the axial position of the middle rotor (33), and the limiting shafts (331) are respectively connected with the first cover body (31) and the output cover body (34) in a rotating way;
the outer layer adjusting magnet (335) and the inner layer adjusting magnet (336) comprise strip-shaped third permanent magnets and strip-shaped electromagnets, the third permanent magnets comprise a plurality of permanent magnet blocks connected end to end, the length of each electromagnet is one half of the length of each third permanent magnet, and the length of each third permanent magnet is equal to the length of each first permanent magnet (312).
2. An active feedback motor for dynamic reconfiguration of a drive system according to claim 1, wherein: the third permanent magnet and the first permanent magnet (312) are attracted to each other in the axial direction of the drive shaft (22).
3. An active feedback motor for dynamic reconfiguration of a drive system according to claim 1, wherein: the strip-shaped electromagnet consists of a plurality of electromagnetic units (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329289.1A CN113014036B (en) | 2020-08-27 | 2020-08-27 | Active feedback motor for dynamic reconfiguration of driving system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877092.7A CN112018950B (en) | 2020-08-27 | 2020-08-27 | Active feedback motor for dynamic reconfiguration of drive system |
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| CN102545538A (en) * | 2012-02-20 | 2012-07-04 | 上海电机学院 | Halbach disc type magnetic coupling |
| CN110994940A (en) * | 2019-12-09 | 2020-04-10 | 王战亮 | Permanent-magnet automatic electronic gearbox for automobile |
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| CN111313650A (en) * | 2019-12-26 | 2020-06-19 | 大唐林州热电有限责任公司 | Permanent magnet coupler with variable magnet position and variable speed |
| CN111564929A (en) * | 2020-05-26 | 2020-08-21 | 方彭 | Main and standby motor switching device |
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| JPH10146368A (en) * | 1996-11-15 | 1998-06-02 | Yaskawa Electric Corp | Rehabilitation device |
| CN1567696A (en) * | 2003-06-17 | 2005-01-19 | 刘建功 | Electromagnetic speed-regulating electrical haulage coal cutter |
| CN101931309A (en) * | 2009-06-22 | 2010-12-29 | 林贵生 | Efficient permanent magnet coupling device for transmission shaft |
| CN101956760B (en) * | 2009-07-20 | 2012-10-03 | 唐建一 | Magnetic suspension bearing for horizontal axis wind driven generator |
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| US10428822B1 (en) * | 2018-04-27 | 2019-10-01 | Upwing Energym LLC | Between-bearing magnetic coupling |
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| CN111355406A (en) * | 2020-04-02 | 2020-06-30 | 苏州三尔电气有限公司 | Variable-frequency transmission system for oil drilling platform |
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| CN102545538A (en) * | 2012-02-20 | 2012-07-04 | 上海电机学院 | Halbach disc type magnetic coupling |
| CN210724529U (en) * | 2019-09-30 | 2020-06-09 | 青岛海洋科学与技术国家实验室发展中心 | Linear rotation magnetic transmission mechanism and wing changing device of underwater vehicle |
| CN110994940A (en) * | 2019-12-09 | 2020-04-10 | 王战亮 | Permanent-magnet automatic electronic gearbox for automobile |
| CN111313650A (en) * | 2019-12-26 | 2020-06-19 | 大唐林州热电有限责任公司 | Permanent magnet coupler with variable magnet position and variable speed |
| CN111564929A (en) * | 2020-05-26 | 2020-08-21 | 方彭 | Main and standby motor switching device |
Also Published As
| Publication number | Publication date |
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| CN112018950A (en) | 2020-12-01 |
| CN113014036A (en) | 2021-06-22 |
| CN112018950B (en) | 2021-06-25 |
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