CN205105033U - Electric motor rotor axle and motor - Google Patents
Electric motor rotor axle and motor Download PDFInfo
- Publication number
- CN205105033U CN205105033U CN201520916995.6U CN201520916995U CN205105033U CN 205105033 U CN205105033 U CN 205105033U CN 201520916995 U CN201520916995 U CN 201520916995U CN 205105033 U CN205105033 U CN 205105033U
- Authority
- CN
- China
- Prior art keywords
- extremity piece
- rotating shaft
- magnet steel
- shaft extremity
- rotor axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses an electric motor rotor axle and motor. The electric motor rotor axle includes the sheath, the magnet steel, first pivot extremity piece and second pivot extremity piece, the sheath, the magnet steel, first pivot extremity piece and second pivot extremity piece have the first end of axial and the axial second end of relative setting separately, the sheath suit is in the outside of magnet steel, the first end of axial that first pivot extremity piece is located the magnet steel and the first pot head of axial of sheath are adorned in the outside of the axial second end of first pivot extremity piece, second pivot extremity piece is located the axial second end of magnet steel and the axial second pot head of sheath is adorned in the outside of the first end of axial of second pivot extremity piece, the electric motor rotor axle still includes instructs the location portion of magnetizing of the direction that magnetizes of magnet steel to the magnet steel when magnetizing after being used for going on after the assembly of electric motor rotor axle. The technical scheme of the utility model the phenomenon of the magnet steel demagnetization that high temperature in the time of can avoiding magnetizing earlier in the after heat fit -up man skill because of the heat dress arouses.
Description
Technical field
The utility model relates to machine field, particularly a kind of rotor axis of electric and motor.
Background technology
In prior art, a kind of rotor axis of electric of known high-speed permanent magnet motor as shown in Figure 1.This rotor axis of electric 100 comprises sheath 110, magnet steel 120, first rotating shaft extremity piece 130 and the second rotating shaft extremity piece 140.The main shaft of this rotor axis of electric 100, be spliced, and the interference fit between the sheath 110 utilizing alloy to make and main shaft carrys out transmitting torque by columniform magnet steel 120, first rotating shaft extremity piece 130 and the second rotating shaft extremity piece 140 3 sections.
Realizing in process of the present utility model, technical staff finds, above prior art has following weak point:
First, the mode of hot charging after the magnet steel 120 of this rotor axis of electric 100 adopts and first magnetizes, is at high temperature easy to produce demagnetization phenomenon.
Its two, this rotor axis of electric 100 needs special hot charging frock and equipment just can complete assembling process.When assembling, sheath 110 is needed to be heated to sufficiently high temperature, make its swell increment enough large, and maintain this temperature when assembling magnet steel 120, first rotating shaft extremity piece 130 and the second rotating shaft extremity piece 140, to ensure that the contact-making surface of sheath 110 and the first rotating shaft extremity piece 130 and the second rotating shaft extremity piece 140 has certain assembling exhaust clearance, otherwise be easy to cause assembling unsuccessfully because thin-walled sheath 110 cools rapidly.
Its three, in this rotor axis of electric 100, magnet steel 120 adopts radial magnetizing mode, and the field waveform that this mode of magnetizing is formed is approximately trapezoidal wave, and therefore the magnetize magnet steel 120 of mode of this kind is not suitable for high speed sine wave permanent magnet motor.
Utility model content
The purpose of this utility model is to provide a kind of rotor axis of electric and motor, is intended to the magnet steel demagnetization phenomenon avoided because high temperature during hot charging causes.
The utility model first aspect provides a kind of rotor axis of electric, comprise sheath, magnet steel, first rotating shaft extremity piece and the second rotating shaft extremity piece, described sheath, described magnet steel, described first rotating shaft extremity piece and described second rotating shaft extremity piece have the axial first end and axial second end that are oppositely arranged separately, described sheath is set in the outside of described magnet steel, described first rotating shaft extremity piece is positioned at the axial first end of described magnet steel and the axial first end of described sheath is set in the outside of axially second end of described first rotating shaft extremity piece, described second rotating shaft extremity piece is positioned at axially second end of described magnet steel and axis second end of described sheath is set in the outside of the axial first end of described second rotating shaft extremity piece, the location division of magnetizing of the magnetizing direction of described magnet steel is indicated time after described rotor axis of electric is also included in the assembling of described rotor axis of electric for magnetizing after carrying out described magnet steel.
Further, location division of magnetizing described in comprises and is arranged at first on described magnet steel and magnetizes location division and be arranged at second on described first rotating shaft extremity piece and magnetize location division.
Further, the described first location division of magnetizing is arranged on the end face of axially the second end of described magnet steel; And/or the described second location division of magnetizing is arranged on the end face of the axial first end of described first rotating shaft extremity piece.
Further, described first location division of magnetizing comprises location notch on the end face of axially the second end being arranged at described magnet steel or location hole, and the described second location division of magnetizing comprises location notch on the end face of the axial first end being arranged at described first rotating shaft extremity piece or location hole.
Further, described first location division of magnetizing comprises the radial detents that the radial direction along described magnet steel on the end face of axially the second end being arranged at described magnet steel extends, and the described second location division of magnetizing comprises at least two location holes of the radial arrangement along described first rotating shaft extremity piece on the end face of the axial first end being arranged at described first rotating shaft extremity piece.
Further, the end face of axially second end of described magnet steel is parallel with the end face of the axial first end of described first rotating shaft extremity piece.
Further, on described sheath and/or described second rotating shaft extremity piece be provided with assemble described sheath and described second rotating shaft extremity piece time for discharging the exhaust passage of the gas in described sheath.
Further, described exhaust passage is arranged on the outer peripheral face coordinated with described sheath of described second rotating shaft extremity piece.
Further, described exhaust passage comprise be arranged at described second rotating shaft extremity piece outer peripheral face on and along at least one air discharge duct axially extended of described second rotating shaft extremity piece.
Further, described exhaust passage comprises the multiple described air discharge duct that the circumference along described second rotating shaft extremity piece is evenly arranged.
The utility model second aspect provides a kind of motor, comprises the rotor axis of electric according to any one of the utility model first aspect.
The rotor axis of electric provided based on the utility model and motor, due to the location division of magnetizing of the magnetizing direction of instruction magnet steel when rotor axis of electric to be included in after rotor axis of electric assembling for magnetizing after carrying out magnet steel, therefore, when manufacturing this rotor axis of electric, magnetize after can carrying out magnet steel according to the magnetizing direction of the location division instruction of magnetizing of rotor axis of electric, thus the phenomenon of the magnet steel demagnetization caused because of high temperature during hot charging in hot-mounting process after can avoiding first magnetizing.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional structure schematic diagram of the rotor axis of electric of prior art.
Fig. 2 is the sectional structure schematic diagram of the rotor axis of electric of the utility model specific embodiment.
Fig. 3 is the partial structurtes schematic diagram of Fig. 2.
The decomposition texture schematic diagram that Fig. 4 is the rotor axis of electric shown in Fig. 2.
Fig. 5 is the structural representation of the magnet steel of the rotor axis of electric shown in Fig. 2.
The structural representation of the first rotating shaft extremity piece that Fig. 6 is the rotor axis of electric shown in Fig. 2.
The structural representation of the second rotating shaft extremity piece that Fig. 7 is the rotor axis of electric shown in Fig. 2.
In Fig. 1 to Fig. 7, each Reference numeral represents respectively:
100,200, rotor axis of electric;
110,210, sheath;
120,220, magnet steel;
221, radial detents;
130, the 230, first rotating shaft extremity piece;
231, location hole;
140, the 240, second rotating shaft extremity piece;
241, air discharge duct.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
Fig. 2 to Fig. 7 shows the concrete structure of the rotor axis of electric 200 of the utility model specific embodiment.
As shown in Figures 2 to 7, the rotor axis of electric 200 of the present embodiment comprises sheath 210, magnet steel 220, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240.Sheath 210, magnet steel 220, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240 have the axial first end and axial second end that are oppositely arranged separately.In Fig. 2 to Fig. 7, in sheath 210, magnet steel 220, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240, the axial first end of each parts is all positioned at the left end of corresponding component, and axis second end of each parts is all positioned at the right-hand member of corresponding component.Sheath 210, magnet steel 220, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240 are coaxially arranged.
Sheath 210 is set in the outside of magnet steel 220.First rotating shaft extremity piece 230 is positioned at the axial first end of magnet steel 220 and the axial first end of sheath 210 is set in the outside of axially second end of the first rotating shaft extremity piece 230.Second rotating shaft extremity piece 240 is positioned at axially second end of magnet steel 220 and axis second end of sheath 210 is set in the outside of the axial first end of the second rotating shaft extremity piece 240.Rotor axis of electric 200 be also included in rotor axis of electric 200 assemble after for magnetizing after carrying out magnet steel 220 time instruction magnet steel 220 the location division of magnetizing of magnetizing direction.
Magnet steel produce time, be first pressed into semi-finished product, when compacting, first can determine a direction, this direction is the direction of orientation of magnet steel, now magnet steel be do not have magnetic.When using magnetizing equipment to magnetize, if can magnetize to magnet steel according to aforementioned direction of orientation, the best performance of magnet steel, when namely magnetizing direction is consistent with direction of orientation, the effect that magnetizes is best, and charging the magnet steel after magnetic is finished product.Magnetize to magnet steel after on alinco assembled to rotating shaft, magnetize after being technique again.
Due to rotor axis of electric 200 be included in rotor axis of electric 200 assemble after for magnetizing after carrying out magnet steel 220 time instruction magnet steel 220 the location division of magnetizing of magnetizing direction, therefore, when manufacturing this rotor axis of electric 200, magnetize after can carrying out magnet steel 220 according to the magnetizing direction of the location division instruction of magnetizing of rotor axis of electric 200, thus the demagnetization phenomenon of the magnet steel 220 caused because of high temperature during hot charging in hot-mounting process after can avoiding first magnetizing.
In the present embodiment, the main shaft of rotor axis of electric 200 is spliced by magnet steel 220, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240 3 sections.The interference fit between sheath 210 and main shaft is utilized to carry out transmitting torque.When rotor axis of electric 200 High Rotation Speed, due to the protective effect of sheath 210, make rotor can safe operation.
For preventing leakage field, sheath 210 is made up of non-magnet material.In the present embodiment, sheath 210 is preferably the alloy sleeve adopting the alloy material such as nickel-base alloy, titanium alloy to make, such as, GH4145 or titanium alloy TC 4 can be adopted to make sheath 210.
In the present embodiment, magnet steel 220 is the solid magnet steel of cylindricality, adopts NdFeB material to make.
First rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240 preferably all adopt non-magnet material to make.So arrange can avoid the strong magnetic of rotor axis of electric 200 and other have magnetic cell or sensor detection signal to produce to disturb, reduce rotor axis of electric brow leakage, avoid magnet steel utilance to reduce.
Sheath 210 and the first rotating shaft extremity piece 230, magnet steel 220 and the second rotating shaft extremity piece 240 are interference fit.The end face of the end face of the axial first end of magnet steel 220 and axially second end of the first rotating shaft extremity piece 230 is fitted.The end face of the axially end face of the second end and the axial first end of the second rotating shaft extremity piece 240 of magnet steel 220 is fitted.
Magnetize location division can be arranged on rotor axis of electric any can after rotor axis of electric assembling the position of magnetizing direction of instruction magnet steel 220.In the present embodiment preferably, as shown in Figures 2 to 6, location division of magnetizing comprises and is arranged at first on magnet steel 220 and magnetizes location division and be arranged at second on the first rotating shaft extremity piece 230 and magnetize location division.Magnet steel 220 arranges first to magnetize location division, be convenient to the direction of orientation accurately determining magnet steel, second location division of magnetizing is set and after rotor axis of electric 200 assembles, can indirectly indicates the direction of orientation of magnet steel 200 with the second location division of magnetizing, thus after magnet steel 220 is assemblied in sheath 210 inside, be convenient to accurately determine magnetizing direction.
Wherein, first magnetize location division and second magnetize location division position want can meet be convenient to location, be convenient to observation requirement.In the present embodiment preferably, the first location division of magnetizing is arranged on the end face of axially the second end of magnet steel 220; Second location division of magnetizing is arranged on the end face of the axial first end of the first rotating shaft extremity piece 230.Certainly, above first the magnetize setting position of location division of location division and second that magnetizes all can make change.
First location division of magnetizing can comprise location notch on the end face of axially the second end being arranged at magnet steel 220 or location hole, and the second location division of magnetizing can comprise location notch on the end face of the axial first end being arranged at the first rotating shaft extremity piece 230 or location hole.
In the present embodiment particularly, the first location division of magnetizing comprises the radial detents 221 that the radial direction along magnet steel 220 on the end face of axially the second end being arranged at magnet steel 220 extends.Second location division of magnetizing comprises at least two location holes 231 of the radial arrangement along the first rotating shaft extremity piece 230 on the end face of the axial first end being arranged at the first rotating shaft extremity piece 230.And preferably, the line of centres of two location holes 231 passes through the central axis of the first rotating shaft extremity piece 230, and the center line of radial detents 221 passes through the central axis of magnet steel 220.
Preferably, the end face of axially second end of magnet steel 220 is parallel with the end face of the axial first end of the first rotating shaft extremity piece 230, Relative vertical or opposing parallel in two planes that the line of centres of two location holes 231 and radial detents 221 are parallel to each other in three dimensions.Magnetizing direction is determined easily when this setting is magnetized after being beneficial to and carrying out magnet steel 220 after rotor axis of electric 200 is assembled.Change also can be made in the position of above two location holes 231 and radial detents 221, such as, the line of centres of two location holes 231 and radial detents 221 can be made to form the angle of 60 degree, as long as the magnetizing direction of magnet steel 220 accurately can be determined according to the instruction of two location holes 231 when magnetizing.
Such as, when manufacturing magnet steel 220, the bearing of trend that can arrange radial detents 221 makes it parallel with the direction of orientation of magnet steel 220.After this, when magnet steel 220 and the first rotating shaft extremity piece 230 being assembled, if make the installation parallel with radial detents 221 of the line of centres of two location holes 231, then can determine that magnetizing direction is the center line connecting direction of two location holes 231.
That is, the direction being arranged on the radial detents 221 on magnet steel 220 is used to the direction of orientation indicating the semi-finished product of magnet steel 220 to add man-hour, and two location holes 231 be arranged on the first rotating shaft extremity piece 230 determine magnetizing direction when being and magnetizing to the magnet steel 220 after assembling with sheath 210, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240, this is because the radial detents 221 of magnet steel 220 can be covered by sheath 210 after assembling, indirectly can determine direction of orientation by two location holes 231, thus determine magnetizing direction.
In addition, in order to discharge the gas in sheath 210 when assembling sheath 210 and the second rotating shaft extremity piece 240, be provided with on sheath 210 and/or on the second rotating shaft extremity piece 240 when assembling sheath and the second rotating shaft extremity piece 240 for discharging the exhaust passage of the gas in sheath 210.
Preferably, exhaust passage is arranged on the outer peripheral face coordinated with sheath 210 of the second rotating shaft extremity piece 240.
In the present embodiment exhaust passage comprise be arranged at the second rotating shaft extremity piece 240 outer peripheral face on and along at least one air discharge duct 241 axially extended of the second rotating shaft extremity piece 240.As shown in Fig. 2 to Fig. 4, Fig. 7, exhaust passage comprises multiple air discharge ducts 241 that the circumference along the second rotating shaft extremity piece 240 is evenly arranged.In the present embodiment, the quantity of air discharge duct 241 is two.
When second rotating shaft extremity piece 240 and sheath 210 assemble, the gas in space that the second rotating shaft extremity piece 240 and the end face of axially second end of sheath 210, magnet steel 220 surround can be discharged smoothly by exhaust passage.
As shown in Figure 3, in the present embodiment, two ends of the opening on the end face being in the axial first end of the second rotating shaft extremity piece 240 of two air discharge ducts 241 and radial detents 221 are just right respectively, therefore, after rotor axis of electric 200 assembles, radial detents 221 is communicated with two air discharge ducts 241.But in other embodiments, two ends of radial detents 221 and the aforementioned opening of air discharge duct 241 also can be staggeredly arranged.
Known according to above description, the rotor axis of electric 200 of the utility model embodiment is the improvement of the rotor axis of electric of the high-speed permanent magnet motor of the syllogic to prior art.Rotor axis of electric 200 arranges location division of magnetizing to realize magnetizing to after magnet steel 220 after rotor axis of electric 200 assembles; Designing and arranging air drain on the second rotating shaft extremity piece 240, efficiently solves exhausting problem during assembling, reduces hot charging temperature, and does not need the auxiliary of Complex Assembly equipment frock, lowers the assembly difficulty of rotor axis of electric 200, improves assembly yield.This rotor axis of electric 200 is particularly useful for high-speed permanent magnet motor.
The present embodiment also provides a kind of motor, and this motor comprises aforesaid rotor axis of electric 200.This motor has all advantages that rotor axis of electric 200 has.
In addition, the present embodiment also provides a kind of manufacture method of aforesaid rotor axis of electric 200, and this manufacture method comprises: installation step, sheath 210, magnet steel 220, first rotating shaft extremity piece 230 and the second rotating shaft extremity piece 240 is assembled and forms rotor axis of electric 200; After to magnetize step, magnetize after magnet steel 220 being carried out according to the magnetizing direction of the location division instruction of magnetizing of rotor axis of electric 200.
Preferably, in that in the assembly step, the magnet steel 220 of rotor axis of electric 200 and the first rotating shaft extremity piece 230 fixing after assemble with the sheath 210 of rotor axis of electric 200 again.This setting is beneficial to formation first location division and second of magnetizing and magnetizes the corresponding relation of location division, is beneficial to determine the second corresponding relation of magnetizing direction magnetizing location division and magnet steel 220.
In addition preferably, after magnetize in step, parallel magnetization is carried out to magnet steel 220.This manufacture method is included in after rotor axis of electric 200 assembled, and magnetizes after carrying out according to the magnetizing direction of the location division instruction of magnetizing of rotor axis of electric 200 to magnet steel 220.Parallel magnetization is carried out to magnet steel 220, rotor axis of electric 200 can be made to be more suitable for high speed sine wave permanent magnet motor.
Below a kind of concrete manufacture method of the rotor axis of electric 200 of the present embodiment is described.
Magnet steel 220 and the first rotating shaft extremity piece 230 are carried out centering fix.Can by the end face coating film magnet steel glue of axially the second end at the first rotating shaft extremity piece 230, then the axis end face of the second end of the first rotating shaft extremity piece 230 is alignd with the end face of the axial first end of magnet steel 220, the external centring of the two is clamped again with fixture, ensure that the line of centres of two location holes 231 on the first rotating shaft extremity piece 230 is almost parallel with the radial detents 221 on magnet steel 220 on the one hand and (only for parallel, fixation procedure of feeling relieved is described, as previously mentioned, the line of centres of two location holes 231 or other angle of determining vertical with radial detents 221 also can), ensure that the periphery of axially second end of the first rotating shaft extremity piece 230 is concordant with the periphery of axially second end of magnet steel 220 on the other hand.After a period of time, the first rotating shaft extremity piece 230 is fixed and forms overall structure, now desirable lower clamp with magnet steel 220, to prepare the assembling of this overall structure and sheath 210.
In the overall structure that sheath 210 hot charging being heated to uniform temperature is formed to magnet steel 220 and the first rotating shaft extremity piece 230, rapidly the second rotating shaft extremity piece 240 is put into sheath 210 afterwards.Due to the surface coordinated with sheath 210 of the second rotating shaft extremity piece 240 having air discharge duct 241, therefore the second rotating shaft extremity piece 240 can drop to precalculated position smoothly the end face of axially second end of the end face of the axial first end of the second rotating shaft extremity piece 240 and magnet steel 220 is fitted, compress again and cool a period of time, the assembling process of rotor axis of electric 200 can be completed.
Magnetize after carrying out according to the magnet steel 220 of center line connecting direction to rotor axis of electric 200 of two location holes 231 of the first rotating shaft extremity piece 230 (being parallel magnetization in the present embodiment), complete magnetizing of magnet steel 220.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (11)
1. a rotor axis of electric, comprise sheath (210), magnet steel (220), first rotating shaft extremity piece (230) and the second rotating shaft extremity piece (240), described sheath (210), described magnet steel (220), described first rotating shaft extremity piece (230) and described second rotating shaft extremity piece (240) have the axial first end and axial second end that are oppositely arranged separately, described sheath (210) is set in the outside of described magnet steel (220), described first rotating shaft extremity piece (230) is positioned at the axial first end of described magnet steel (220) and the axial first end of described sheath (210) is set in the outside of axially second end of described first rotating shaft extremity piece (230), described second rotating shaft extremity piece (240) is positioned at axially second end of described magnet steel (220) and axis second end of described sheath (210) is set in the outside of the axial first end of described second rotating shaft extremity piece (240), it is characterized in that, the location division of magnetizing of the magnetizing direction of described magnet steel (220) is indicated time after described rotor axis of electric (200) is also included in described rotor axis of electric (200) assembling for magnetizing after carrying out described magnet steel (220).
2. rotor axis of electric according to claim 1, it is characterized in that, described in location division of magnetizing comprise and be arranged at first on described magnet steel (220) and magnetize location division and be arranged at second on described first rotating shaft extremity piece (230) and magnetize location division.
3. rotor axis of electric according to claim 2, is characterized in that, the described first location division of magnetizing is arranged on the end face of axially the second end of described magnet steel (220); And/or the described second location division of magnetizing is arranged on the end face of the axial first end of described first rotating shaft extremity piece (230).
4. rotor axis of electric according to claim 3, it is characterized in that, described first location division of magnetizing comprises location notch on the end face of axially the second end being arranged at described magnet steel (220) or location hole, and the described second location division of magnetizing comprises location notch on the end face of the axial first end being arranged at described first rotating shaft extremity piece (230) or location hole.
5. rotor axis of electric according to claim 4, it is characterized in that, described first location division of magnetizing comprises the radial detents (221) that the radial direction along described magnet steel (220) on the end face of axially the second end being arranged at described magnet steel (220) extends, and the described second location division of magnetizing comprises at least two location holes (231) of the radial arrangement along described first rotating shaft extremity piece (230) on the end face of the axial first end being arranged at described first rotating shaft extremity piece (230).
6. rotor axis of electric according to claim 5, is characterized in that, the end face of axially second end of described magnet steel (220) is parallel with the end face of the axial first end of described first rotating shaft extremity piece (230).
7. rotor axis of electric according to any one of claim 1 to 6, it is characterized in that, described sheath (210) is gone up and/or described second rotating shaft extremity piece (240) is provided with when assembling described sheath (210) and described second rotating shaft extremity piece (240) for discharging the exhaust passage of the gas in described sheath (210).
8. rotor axis of electric according to claim 7, is characterized in that, described exhaust passage is arranged on the outer peripheral face coordinated with described sheath (210) of described second rotating shaft extremity piece (240).
9. rotor axis of electric according to claim 8, it is characterized in that, described exhaust passage comprise be arranged at described second rotating shaft extremity piece (240) outer peripheral face on and along axially extended at least one air discharge duct (241) of described second rotating shaft extremity piece (240).
10. rotor axis of electric according to claim 9, is characterized in that, described exhaust passage comprises the multiple described air discharge duct (241) that the circumference along described second rotating shaft extremity piece (240) is evenly arranged.
11. 1 kinds of motors, comprise rotor axis of electric, it is characterized in that, described rotor axis of electric is rotor axis of electric according to any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916995.6U CN205105033U (en) | 2015-11-16 | 2015-11-16 | Electric motor rotor axle and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916995.6U CN205105033U (en) | 2015-11-16 | 2015-11-16 | Electric motor rotor axle and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205105033U true CN205105033U (en) | 2016-03-23 |
Family
ID=55520786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520916995.6U Withdrawn - After Issue CN205105033U (en) | 2015-11-16 | 2015-11-16 | Electric motor rotor axle and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205105033U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226872A (en) * | 2015-11-16 | 2016-01-06 | 珠海格力节能环保制冷技术研究中心有限公司 | The manufacture method of rotor axis of electric, motor and rotor axis of electric |
| CN108231328A (en) * | 2017-12-28 | 2018-06-29 | 合肥硬核派科技有限公司 | A kind of disk type electric motor rotor rotates magnetizing equipment |
-
2015
- 2015-11-16 CN CN201520916995.6U patent/CN205105033U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226872A (en) * | 2015-11-16 | 2016-01-06 | 珠海格力节能环保制冷技术研究中心有限公司 | The manufacture method of rotor axis of electric, motor and rotor axis of electric |
| CN105226872B (en) * | 2015-11-16 | 2017-12-05 | 珠海格力节能环保制冷技术研究中心有限公司 | The manufacture method of rotor axis of electric, motor and rotor axis of electric |
| CN108231328A (en) * | 2017-12-28 | 2018-06-29 | 合肥硬核派科技有限公司 | A kind of disk type electric motor rotor rotates magnetizing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105226872B (en) | The manufacture method of rotor axis of electric, motor and rotor axis of electric | |
| CN105449895A (en) | Shafting structure for motor, and assembling method | |
| CN102916647B (en) | Method and device for measuring time constant of asynchronous motor rotor on line | |
| US20210341016A1 (en) | Magnetic levitation bearing structure and magnetic levitation compressor structure | |
| CN205105033U (en) | Electric motor rotor axle and motor | |
| CN105471137A (en) | Rotating shaft structure of permanent magnet motor and assembling method of the rotating shaft structure | |
| CN206259769U (en) | Motor rotor construction with copper sliver | |
| CN105207382A (en) | Motor rotor and motor with same | |
| CN105245043A (en) | Segmentation skewed-pole type permanent magnet synchronous motor rotor | |
| CN103117633A (en) | High-speed permanent magnet synchronous motor and assembly method thereof | |
| CN205160231U (en) | Segmentation is utmost point formula PMSM rotor to one side | |
| CN205070637U (en) | Electric motor rotor reaches motor including this electric motor rotor | |
| CN205945286U (en) | Pivot and have its motor | |
| CN110311513A (en) | A kind of hub motor conductive structure | |
| CN205945288U (en) | Pivot and have its motor | |
| CN106130222B (en) | Shaft, the assembly method of shaft, motor | |
| CN207163604U (en) | A kind of high-precision pressure gauge with temperature-compensating | |
| CN203278577U (en) | Outer-stator wind-driven generator | |
| CN206250865U (en) | A kind of rotor structure of high-speed permanent magnetic synchronous motor | |
| CN109245474A (en) | Permanent magnet machine rotor and its method for processing and assembling, magneto | |
| CN205355987U (en) | Shafting structure for motor | |
| CN206195498U (en) | Large -scale permanent magnetism servo motor rotor | |
| CN206099559U (en) | Pivot and have its motor | |
| CN204681182U (en) | A kind of Novel servo permanent-magnetic synchronous motor rotor | |
| CN205160278U (en) | Permanent -magnet machine pivot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160323 Effective date of abandoning: 20171205 |