CN113541359A - Anti-falling rotor disc of disc type motor - Google Patents
Anti-falling rotor disc of disc type motor Download PDFInfo
- Publication number
- CN113541359A CN113541359A CN202110898900.2A CN202110898900A CN113541359A CN 113541359 A CN113541359 A CN 113541359A CN 202110898900 A CN202110898900 A CN 202110898900A CN 113541359 A CN113541359 A CN 113541359A
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- inner ring
- ring
- rotor
- disc
- permanent magnet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/12—Transversal flux machines
Abstract
The application relates to the field of disc motors, in particular to an anti-drop rotor disc of a disc motor, which comprises a retainer, a fixing ring and a plurality of permanent magnets, wherein the retainer comprises a frame body and a plurality of support rods, the support rods outwards extend to the periphery of the frame body, one permanent magnet is fixed between every two adjacent support rods, the fixing ring comprises an inner ring and an outer ring which are made of different materials, the inner ring is an auxiliary ring, the outer ring is a stressed ring, the inner ring is fixedly sleeved on the outer periphery of the permanent magnet, the permanent magnet is fixed between the inner ring and the frame body, and the outer ring is sleeved on the outer side of the inner ring; the rotor disc further comprises a connecting assembly, and the inner ring and the supporting rod are connected through the connecting assembly. This application has solid fixed ring and is difficult for droing because of the vibration, and the magnet steel installation is firm, the higher advantage of overall structure intensity.
Description
Technical Field
The present application relates to the field of disc motors, in particular to a drop-proof rotor disc for a disc motor.
Background
The axial magnetic field motor is also called a disk motor, namely a motor with a main magnetic field and along the direction of a rotating shaft. The axial magnetic field motor is different from a common motor in that the magnetic flux direction is axial, current-carrying conductors are arranged in the radial direction, and a stator core and a rotor core are of a disc structure.
The disc type motor rotor structure can be divided into a supporting disc and a permanent magnet, the rotor supporting disc is used as an installation support of the permanent magnet, the permanent magnet is fixed on a rotor disc in a bonding or screw fastening mode, the rotor can generate magnetic loss and generate heat when the motor works for a long time, and the bonding mode is adopted, so that the bonding failure can be caused to cause the rotor to fall off; the structure of the magnet can be damaged by adopting a screw direct fixing mode to damage the magnetic circuit, so that the magnetic circuit is influenced, and a fixing ring is usually sleeved outside the rotor supporting disk to fix the permanent magnet.
In the prior art, the permanent magnet is fixed through the fixing ring, but the fixing ring is made of a single material and is easy to fall off due to vibration under the condition that the rotor rotates at a high speed, so that the permanent magnet is loosened and even falls off from the supporting disk.
Disclosure of Invention
In order to reduce the situation that a fixing ring made of a single material falls off due to vibration generated when a rotor rotates at a high speed, the application provides an anti-falling rotor disc of a disc type motor.
The application provides an anticreep formula rotor dish of disk motor adopts following technical scheme:
an anti-drop rotor disc of a disc type motor comprises a retainer, a fixing ring and a plurality of permanent magnets, wherein the retainer comprises a frame body and a plurality of support rods, the support rods outwards extend to the periphery of the frame body, the permanent magnets are fixed between every two adjacent support rods, the fixing ring comprises an inner ring and an outer ring which are made of different materials, the inner ring is an auxiliary ring, the outer ring is a stress ring, the inner ring is fixedly sleeved on the periphery of the permanent magnets, the permanent magnets are fixed between the inner ring and the frame body, and the outer ring is sleeved on the outer side of the inner ring; the rotor disc further comprises a connecting assembly, and the inner ring and the supporting rod are connected through the connecting assembly.
Optionally, the coupling assembling includes a plurality of connecting pieces, the one end of connecting piece with the inner ring is fixed, the other end with the bracing piece joint.
Optionally, a plurality of the connecting pieces are sequentially distributed at intervals on two axial sides of the rotor.
Optionally, the connecting piece is welded and fixed with the inner ring.
Optionally, a clamping groove is formed in an end portion of the support rod connected with the inner ring, the accommodating groove is exposed on one side of the rotor in the axial direction, and the connecting piece is clamped into the accommodating groove in the axial direction of the rotor.
Optionally, the inner ring is made of a metal material, and the outer ring is formed by winding a carbon fiber material.
Optionally, the outer side of the inner ring is provided with at least one clamping portion for clamping the outer ring.
Optionally, a ratio of the thicknesses of the inner ring and the outer ring is less than or equal to 1/2.
Optionally, two sides of the support rod along the circumferential direction of the rotor are respectively provided with a first limiting part, and the permanent magnet is provided with a second limiting part matched with the first limiting part.
Compared with the prior art, the technical scheme has the following advantages:
1. the friction that only exists the butt and produce in current bracing piece and solid fixed ring inboard, so solid fixed ring easily drops, and this application is fixed inner ring and bracing piece through the connecting piece, connecting piece and inner ring welding promptly, connecting piece and bracing piece joint to make firm in connection between inner ring and the bracing piece, and then make solid fixed ring be difficult for droing because of the vibration of rotor when high-speed running.
2. The fixing ring is divided into an inner ring and an outer ring which are made of different materials, the outer ring which is not prone to deformation is sleeved on the outer side of the inner ring, deformation of the inner ring is limited, on one hand, the inner ring is not prone to falling off from the retainer due to deformation and vibration, on the other hand, the permanent magnet is limited by the inner ring and the retainer and is not prone to falling off from the retainer, and accordingly the permanent magnet is firmly installed.
The invention is further described with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic view of an embodiment of the present application for showing a structure of a connecting member and a receiving groove;
FIG. 2 is a schematic diagram of an embodiment of the present application for showing the distribution of accommodating grooves;
FIG. 3 is a schematic diagram of an embodiment of the present application for embodying a fixed ring structure;
FIG. 4 is a schematic diagram of a connector embodying the present application in accordance with an embodiment;
FIG. 5 is a schematic diagram of a permanent magnet and mounting groove structure according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram for embodying the assembly of a permanent magnet into a mounting slot according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a permanent magnet structure according to an embodiment of the present application;
FIG. 8 is a schematic view illustrating an assembly direction of the fixing ring according to the embodiment of the present application;
FIG. 9 is a schematic view of an embodiment of the present application after assembly of a retaining ring;
FIG. 10 is a schematic view of an embodiment of the present application for embodying a retainer ring and cage structure;
FIG. 11 is an axial view of a rotor disk in an embodiment of the present application;
FIG. 12 is a schematic view of an embodiment of the present application for embodying the engaging portion and the limiting groove;
FIG. 13 is a sectional view taken in the direction A-A of FIG. 12;
FIG. 14 is a sectional view taken in the direction B-B in FIG. 12;
fig. 15 is a sectional view taken in the direction of C-C in fig. 12.
Reference numerals: 1. a holder; 11. a frame body; 12. a support bar; 121. mounting grooves; 122. accommodating grooves; 123. a first limiting part; 2. a fixing ring; 21. an inner ring; 211. a limiting groove; 22. an outer ring; 221. a clamping part; 3. a permanent magnet; 31. magnetic steel; 32. a second limiting part; 4. a connecting member.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of the present invention, do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present application is described in further detail below with reference to figures 1-15.
The embodiment of the application discloses a falling-off prevention rotor disc of a disc type motor.
Referring to fig. 1 and 2, the permanent magnet holder includes a holder 1, a fixing ring 2, and a plurality of permanent magnets 3. The holder 1 includes a support body 11 and a plurality of bracing piece 12, support body 11 is the ring shape, bracing piece 12 is the four-sided terrace shape, the less one end in bracing piece 12 cross-section and the outer peripheral edges integrated into one piece of support body 11 and radially outwards extend along the rotor, a plurality of permanent magnets 3 are unanimous with a plurality of bracing piece 12's quantity, be formed with between two adjacent bracing pieces 12 and be sectorial mounting groove 121, permanent magnet 3 and mounting groove 121 one-to-one, every permanent magnet 3 all imbeds in the mounting groove 121 that corresponds. The fixing ring 2 comprises an inner ring 21 and an outer ring 22 which are made of different materials, the inner ring 21 is fixedly sleeved on the outer periphery of the permanent magnet 3, and the permanent magnet 3 is fixed between the inner ring 21 and the frame body 11. The outer ring 22 is coaxially fixed on the outer side of the inner ring 21 and constrains the shape of the inner ring 21.
The retainer 1 can be formed by laminating glass fiber composite materials, the glass fiber is an inorganic non-metallic material with excellent performance, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength, good processability and low price. The retainer 1 made of the glass fiber composite material is beneficial to reducing the manufacturing difficulty of the retainer 1 and reducing the manufacturing cost of the retainer 1. The glass fiber composite material also has the advantage of good dimensional stability, so that the size of the retainer 1 is hardly changed under different working conditions, and the possibility that the permanent magnet 3 is loosened from the retainer 1 is further reduced.
Referring to fig. 5 and 7, the permanent magnet 3 may be an alloy permanent magnet or a ferrite permanent magnet, in this embodiment, the permanent magnet 3 is formed by laminating a plurality of magnetic steels 31 in the radial direction of the frame body 11, the number of the magnetic steels 31 depends on the thickness of the magnetic steel 31 and the size of the mounting groove 121, and the embodiment preferably includes four magnetic steels.
In the application, the worker firstly assembles the magnetic steel 31 into the mounting groove 121 along the radial direction of the frame body 11, then assembles the inner ring 21 to the outer periphery of the permanent magnet 3, fixes the permanent magnet 3, and finally, sleeves the outer ring 22 outside the inner ring 21 to restrain the shape of the inner ring 21.
The inner ring 21 leads to coupling assembling to be fixed with bracing piece 12, and coupling assembling includes a plurality of connecting pieces 4, and connecting piece 4 can be the bolt, bolt and bracing piece 12 one-to-one, and the tip of bolt runs through the one end that support body 11 was kept away from to screw thread screw in bracing piece 12 behind the inner ring 21, and the advantage that adopts bolted connection is in simple to operate, and the shortcoming lies in that the trompil leads to inner ring 21 intensity to reduce on inner ring 21. Similarly, the connecting member 4 may be a pin, and the pin penetrates through the inner ring 21 and penetrates into one end of the support rod 12 far away from the frame body 11 to form interference fit.
Referring to fig. 1 and 2, in another embodiment of the present application, one end of each support rod 12, which is away from the frame body 11, is abutted against the inner side of the inner ring 21, and a receiving groove 122 is formed in an end portion of the support rod 12, which is abutted against the inner ring 21, so that one side of the receiving groove 122, which is close to the inner side of the inner ring 21, is opened, the receiving groove 122 is also exposed to one side of the rotor in the axial direction, and the connecting member 4 is placed along the axial direction of the rotor and is fixed in the receiving groove 122. The connecting pieces 4 correspond to the accommodating grooves 122 one to one, the parts of the connecting pieces 4 located in the accommodating grooves 122 are fixed to the inner walls of the accommodating grooves in an adhesive mode, and one side, close to the inner side of the inner ring 21, of the connecting pieces 4 is fixed to the inner side of the inner ring 21 in a welding mode. For the convenience of welding, the receiving groove 122 may be a rectangular groove, and the connecting member 4 may be a rectangular parallelepiped matching with the receiving groove 122.
Referring to fig. 4, in order that the connection member 4 can be smoothly fitted into the receiving groove 122, four edges of the connection member 4 parallel to the axial direction of the rotor are rounded.
When the connector 4 abuts against the inner side of the inner ring 21, only friction exists between the connector 4 and the inner ring 21, so that the inner ring 21 is easy to fall off, and the inner ring 21 and the support rod 12 are fixed by the connector 4, so that the inner ring 21 and the support rod 12 are firmly connected, and the inner ring 21 is not easy to fall off due to vibration of the rotor during high-speed operation. And in the connecting piece 4 imbeds in holding tank 122, but not imbed in inner ring 21, help reducing the width of inner ring 21, guarantee the roughness of rotor dish axial both sides face simultaneously, and then stability when guaranteeing the rotor dish and rotate, still can reduce the holistic thickness of rotor dish, and then reduce the volume of motor, make the motor can be applicable to more scenes.
Referring to fig. 1, the accommodating grooves 122 may be opened on any one of two sides of the supporting rod 12 in the axial direction of the rotor, and the accommodating grooves 122 may be located on the same side of the supporting rod 12 in the axial direction of the rotor, or may be distributed on two sides of the supporting rod 12 in the axial direction of the rotor. When the receiving groove 122 is located on the same side of the support rod 12 in the axial direction of the rotor, the support rod 12 is only abutted against the inner side of the inner ring 21 on the other side in the axial direction of the rotor, and only friction exists between the support rod 12 and the inner side of the inner ring 21, which is not beneficial to fixing the inner ring 21 in the axial direction of the rotor. Holding tank 122 distributes when bracing piece 12 is in the ascending both sides of rotor axial, connecting piece 4 all can fix inner ring 21 on bracing piece 12 on rotor axial's both sides, and connecting piece 4 need not can be fixed inner ring 21 and holder 1 with the inner wall adhesive fixation of holding tank 122, and when the motor operation and produced the vibration, holder 1 has better fastness with inner ring 21's being connected, thereby reduce bracing piece 12 and the fixed pine of inner ring 21 and take off the risk that leads to magnet steel 31 to drop from between inner ring 21 and the support body 11 outer peripheral edges.
Referring to fig. 5 and 6, the support rod 12 is provided with first limiting portions 123 on two sides along the circumferential direction of the holder 1, the permanent magnet 3 is provided with second limiting portions 32 engaged with the first limiting portions 123, and the first limiting portions 123 and the second limiting portions 32 are used for further limiting the permanent magnet 3 in the limiting grooves 211. The first position-limiting portion 123 may be a slot, the second position-limiting portion 32 is a block or the first position-limiting portion 123 is a block, and the second position-limiting portion 32 is a slot. In this embodiment, the first limiting portion 123 is a clamping block, the clamping block extends from one end of the support rod 12 to the other end, the cross section of the clamping block is semicircular, the second limiting portion 32 is a clamping groove, and one clamping groove is formed on each of the two sides of each permanent magnet 3 along the circumferential direction of the frame body 11. When the permanent magnet 3 is embedded into the mounting groove 121, two adjacent fixture blocks on two support rods 12 corresponding to the mounting groove 121 are respectively embedded into two clamping grooves of the permanent magnet 3 in the mounting groove 121, and the fixture blocks and the clamping grooves are matched with each other in a sliding manner along the radial direction of the rotor, so that the permanent magnet 3 can be conveniently assembled into the mounting groove 121 by a worker. When the inner ring 21 is sleeved on the outer periphery of the permanent magnet 3, the inner ring 21 limits the permanent magnet to move along the radial direction of the frame body 11, and the first limiting portion 123 and the second limiting portion 32 can prevent the permanent magnet from moving along the axial direction of the frame body 11, so that the fixing effect of the permanent magnet 3 is optimized.
In the application, the staff assembles permanent magnet 3 to mounting groove 121 in through the cooperation of fixture block and draw-in groove earlier, then inner ring 21 is established to the outer periphery cover of permanent magnet 3, has restricted permanent magnet 3 along 11 axial of support body and radial displacement to the condition that permanent magnet 3 drops from holder 1 has been reduced.
The outer ring 22 comprises at least one fiber tow wound outside the inner ring 21 to form the outer ring 22. The fiber yarn can be carbon fiber yarn, has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous and soft in appearance, can be processed into various fabrics, and has high strength and modulus along the axis direction of the carbon fiber due to the preferred orientation of the graphite microcrystal structure along the axis of the fiber.
In another embodiment of the present application, the carbon fiber filament is cured by a curing agent to form the outer ring 22, when the carbon fiber filament is selected as the carbon fiber filament, the curing agent is selected from carbon fiber glue, the carbon fiber glue cures the carbon fiber filament bundle wound on the outer side of the inner ring 21 to form the outer ring 22, and after the curing agent is used for curing, the outer ring 22 has better mechanical strength, so that the inner ring 21 can be better used for tightly fixing the permanent magnet 3.
Referring to fig. 11 and 13, the inner side of the outer ring 22 is attached to the outer side of the inner ring 21, and at least one clamping portion 221 for clamping the outer ring 22 is disposed on the outer side of the inner ring 21 in order to tightly combine the outer ring 22 and the inner ring 21 and reduce the occurrence of misalignment between the outer ring 22 and the inner ring 21. The clamping portion 221 can be a protrusion or a groove with various shapes, the clamping portion 221 in this embodiment is a protrusion, the carbon fiber wires are wound outside the inner ring 21 and cured to form a limiting groove 211 corresponding to the clamping portion 221 in shape, the clamping portion 221 is clamped with the limiting groove 211, and the situation of dislocation between the inner ring 21 and the outer ring 22 is reduced.
Specifically, referring to fig. 12 and 14, the engaging portion 221 is a protrusion with a semicircular cross section, the engaging portion 221 is coaxial with the outer ring 22 and surrounds the outer ring 22 for a circle, the limiting groove 211 is a semicircular groove, and the limiting groove 211 is coaxial with the inner ring 21 and surrounds the inner ring 21 for a circle.
In the application, after the staff assembled inner ring 21, twine the carbon fiber silk bundle in the inner ring 21 outside, then add carbon fiber glue to the carbon fiber silk bundle for the carbon fiber silk bundle solidification, and joint portion 221 card goes into in the spacing groove 211.
Since the inner ring 21 mainly plays a role of limiting the displacement of the permanent magnet 3, the thickness of the inner ring 21 can be properly reduced, and since the outer ring 22 mainly plays a role of reinforcing and protecting the inner ring 21, the thickness of the outer ring 22 can be properly increased, the ratio of the thickness of the inner ring 21 to the thickness of the outer ring 22 is smaller than or equal to 1/2, and in the embodiment, the ratio of the thickness of the inner ring 21 to the thickness of the outer ring 22 is equal to 1/2.
In application, the worker can select a proper ratio of the thickness of the inner ring 21 to the thickness of the outer ring 22 according to the design strength, so that the design requirement can be met, and the cost can be saved.
The implementation principle of the embodiment is as follows: during the assembly rotor dish, the staff assembles magnet steel 31 to the mounting groove 121 in along the radial direction of support body 11 earlier, assemble the 3 outer peripheries of permanent magnet with inner ring 21 along the rotor axial again, it is fixed with permanent magnet 3, then at the outer side winding carbon fiber tow of inner ring 21, and add carbon fiber glue in to the carbon fiber tow, make the carbon fiber tow solidification, joint portion 221 card goes into spacing groove 211 simultaneously, make outer loop 22 restraint inner ring 21's shape, at last with in connecting piece 4 embedding holding tank 122, and with connecting piece 4 and the inboard welded fastening of inner ring 21.
The outer ring 22 and the inner ring 21 are matched through the clamping portion 221 and the limiting groove 211, the inner side of the inner ring 21 is fixed with the support rod 12 through the connecting piece 4, the situation that the inner ring 21 or the outer ring 22 or the fixing ring 2 integrally falls off along the axial direction of the rotor due to dislocation between the inner ring 21 and the outer ring 22 is reduced, and the situation that the permanent magnet 3 falls off from the retainer 1 is reduced.
To sum up, the friction that only exists the butt and produce in current bracing piece and solid fixed ring inboard, so solid fixed ring easily drops, and this application is fixed inner ring and bracing piece through the connecting piece, connecting piece and inner ring welding promptly, connecting piece and bracing piece joint to make firm in connection between inner ring and the bracing piece, and then make solid fixed ring be difficult for dropping because of the vibration when the rotor high-speed operation. The fixing ring is divided into an inner ring and an outer ring which are made of different materials, the outer ring which is not prone to deformation is sleeved on the outer side of the inner ring, deformation of the inner ring is limited, on one hand, the inner ring is not prone to falling off from the retainer due to deformation and vibration, on the other hand, the permanent magnet is limited by the inner ring and the retainer and is not prone to falling off from the retainer, and accordingly the permanent magnet is firmly installed.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (9)
1. The utility model provides an anticreep formula rotor dish of disk motor, includes a holder (1), a solid fixed ring (2) and a plurality of permanent magnet (3), holder (1) includes a support body (11) and a plurality of bracing piece (12), bracing piece (12) outwards extend in the periphery of support body (11), adjacent two all be fixed with one between bracing piece (12) permanent magnet (3), its characterized in that:
the fixing ring (2) comprises an inner ring (21) and an outer ring (22) which are made of different materials, the inner ring (21) is an auxiliary ring, the outer ring (22) is a stress ring, the inner ring (21) is fixedly sleeved on the outer periphery of the permanent magnet (3), the permanent magnet (3) is fixed between the inner ring (21) and the frame body (11), and the outer ring (22) is sleeved on the outer side of the inner ring (21);
the rotor disc further comprises a connecting assembly by which the inner ring (21) and the support bar (12) are connected.
2. A run-out prevention rotor disc of a disc motor according to claim 1, characterized in that: coupling assembling includes a plurality of connecting pieces (4), the one end of connecting piece (4) with inner ring (21) are fixed, the other end with bracing piece (12) joint.
3. A run-out prevention rotor disc of a disc motor according to claim 2, characterized in that: the connecting pieces (4) are sequentially distributed on two sides of the rotor in the axial direction at intervals.
4. A run-out prevention rotor disc of a disc motor according to claim 3, characterized in that: the connecting piece (4) is fixed with the inner ring (21) in a welding mode.
5. A run-out prevention rotor disc of a disc motor according to claim 2, characterized in that: the supporting rod (12) and the end part connected with the inner ring (21) are provided with an accommodating groove (122), the accommodating groove (122) is exposed on one side of the axial direction of the rotor, and the connecting piece (4) is clamped into the accommodating groove (122) along the axial direction of the rotor.
6. A rotor disk for an axial field electric machine to prevent permanent magnets from falling off in accordance with claim 1, wherein: the inner ring (21) is made of a metal material, and the outer ring (22) is formed by winding a carbon fiber material.
7. A run-out prevention rotor disc of a disc motor according to claim 1, characterized in that: the outer side of the inner ring (21) is provided with at least one clamping part (221) for clamping the outer ring (22).
8. A run-out prevention rotor disc of a disc motor according to claim 1, characterized in that: the ratio of the thicknesses of the inner ring (21) and the outer ring (22) is less than or equal to 1/2.
9. A run-out prevention rotor disc of a disc motor according to claim 1, characterized in that: the supporting rod (12) is provided with first limiting parts (123) along two circumferential sides of the rotor respectively, and the permanent magnet (3) is provided with second limiting parts (32) matched with the first limiting parts (123).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110898900.2A CN113541359B (en) | 2021-08-05 | 2021-08-05 | Anti-falling rotor disc of disc type motor |
| PCT/CN2021/118747 WO2023010654A1 (en) | 2021-08-05 | 2021-09-16 | Anti-disengaging rotor disc of disc-type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110898900.2A CN113541359B (en) | 2021-08-05 | 2021-08-05 | Anti-falling rotor disc of disc type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113541359A true CN113541359A (en) | 2021-10-22 |
| CN113541359B CN113541359B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110898900.2A Active CN113541359B (en) | 2021-08-05 | 2021-08-05 | Anti-falling rotor disc of disc type motor |
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| Country | Link |
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| CN (1) | CN113541359B (en) |
| WO (1) | WO2023010654A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422481A (en) * | 2021-07-06 | 2021-09-21 | 浙江盘毂动力科技有限公司 | Disk motor rotor, and manufacturing apparatus and manufacturing method |
| WO2023010654A1 (en) * | 2021-08-05 | 2023-02-09 | 浙江盘毂动力科技有限公司 | Anti-disengaging rotor disc of disc-type motor |
| CN117240044A (en) * | 2023-11-15 | 2023-12-15 | 华驰动能(北京)科技有限公司 | Magnetic transmission coupling and flywheel energy storage device |
| DE102022116945A1 (en) | 2022-07-07 | 2024-01-18 | Bayerische Motoren Werke Aktiengesellschaft | Rotor for an axial flux machine, and method for producing a rotor |
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| CN113541359B (en) * | 2021-08-05 | 2022-11-15 | 浙江盘毂动力科技有限公司 | Anti-falling rotor disc of disc type motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113422481A (en) * | 2021-07-06 | 2021-09-21 | 浙江盘毂动力科技有限公司 | Disk motor rotor, and manufacturing apparatus and manufacturing method |
| WO2023010654A1 (en) * | 2021-08-05 | 2023-02-09 | 浙江盘毂动力科技有限公司 | Anti-disengaging rotor disc of disc-type motor |
| DE102022116945A1 (en) | 2022-07-07 | 2024-01-18 | Bayerische Motoren Werke Aktiengesellschaft | Rotor for an axial flux machine, and method for producing a rotor |
| CN117240044A (en) * | 2023-11-15 | 2023-12-15 | 华驰动能(北京)科技有限公司 | Magnetic transmission coupling and flywheel energy storage device |
| CN117240044B (en) * | 2023-11-15 | 2024-03-19 | 华驰动能(北京)科技有限公司 | Magnetic transmission coupling and flywheel energy storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023010654A1 (en) | 2023-02-09 |
| CN113541359B (en) | 2022-11-15 |
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