CN106712354A - Motor rotor, rotating motor and disassembling method - Google Patents
Motor rotor, rotating motor and disassembling method Download PDFInfo
- Publication number
- CN106712354A CN106712354A CN201710089681.7A CN201710089681A CN106712354A CN 106712354 A CN106712354 A CN 106712354A CN 201710089681 A CN201710089681 A CN 201710089681A CN 106712354 A CN106712354 A CN 106712354A
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- Prior art keywords
- sleeve
- groove
- oilhole
- iron core
- rotating shaft
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a motor rotor, a rotating motor and a disassembling method and relates to the technical field of rotating motors. The motor rotor provided by the invention comprises an iron core, a sleeve and a rotating shaft, wherein the sleeve and the rotating shaft and the sleeve and the iron core are both in interference fit. A first oil hole is formed in an end face of the sleeve, a first groove is formed in the inner surface of the sleeve, the first oil hole is communicated with the first groove, media are injected into the first oil hole and filled between the sleeve and the rotating shaft to increase the inner diameter of the sleeve, and the sleeve can be conveniently separated from the rotating shaft. The motor rotor is convenient to disassemble, and parts are not prone to being damaged. The rotating motor provided by the invention comprises the motor rotor, and time and labor for disassembling motor components are saved. The disassembling method provided by the invention is suitable for disassembling interference fit parts, simple to operate, quick and convenient in disassembling, free of part damage and low in rejection rate of finished products.
Description
Technical field
The present invention relates to rotary motor technology field, in particular to a kind of rotor, electric rotating machine and dismounting side
Method.
Background technology
In actual production, the mechanical part for having many rotational structures needs dismounting, the particularly dismounting of interference fit part
Difficulty is bigger.Such as, in electric rotating machine, the dismounting of rotor core and rotating shaft.
At present, rotor needs to be typically to heat the rotor core of motor or to turning during dismounting rotating axis component
Axle is cooled down, and is then manually tapped using complementary tools such as copper rod, tup or hydraulic presses or pressed out firmly.
Rotor needs to be frequently used Three-claw pull-horse during dismounting parts of bearings, draw the support instrument such as device to tear bearing open is carried out
Remove, but when the rotor of large-size specification is run into, dismantlement work is difficult to carry out, and labour intensity is higher, seriously
The efficiency of dismantlement work is had influence on.
Moreover, in above-mentioned unloading process, the part such as rotating shaft, rotor core, bearing is highly prone to damage, and not only holds
Easily it is changed positioning precision, installation and fit dimension of each part etc., influences reusing for part, and operating
Security performance is not good in journey, and operating personnel are easily hurt, and the method for above-mentioned strong dismounting easily makes rotating shaft or bearing
Scrap, the use cost of product is also greatly improved.
Therefore, design a kind of rotor of convenient dismounting, can soon the part such as quick-detach rotating shaft, rotor core, bearing,
Also ensure that these parts preserve from unloading process, it is current urgency the installation accuracy of parts not to be influenceed and is reused
The technical problem that need to improve.
The content of the invention
It is an object of the invention to provide a kind of rotor, by set on the sleeve of interference fit oilhole and with oil
The groove of hole connection, the oil toward oilhole injection certain pressure increases the gap between interference fit part, consequently facilitating dismounting.And
And the oil of injection can also play lubrication between interference fit part, it is to avoid parts sustain damage in unloading process.
The present invention also aims to provide a kind of electric rotating machine, the electric rotating machine includes above-mentioned rotor, can
Parts such as rotor core, rotating shaft of convenient dismounting rotor, and parts preserve from can ensure that unloading process, not shadow
Ring reusing for parts.
The present invention also aims to provide a kind of method for dismounting, the method is applied to similar above-mentioned motor rotor construction
The dismounting of interference fit part.Unloading process is simple to operate, less demanding to operating personnel, safe, and dismounting is quick, province
Shi Shengli, the installation accuracy for not influenceing parts to reuse, finished product scrappage is low.
The present invention improves its technical problem to be realized using following technical scheme.
A kind of rotor that the present invention is provided, including iron core, sleeve and rotating shaft, the sleeve include inner surface and appearance
Face, the inner surface is sheathed on the rotating shaft and the sleeve and the rotating shaft interference fit, and the iron core sleeve is located at described outer
Surface and the sleeve and the iron core interference fit.
The end face of the sleeve offers the first oilhole, and the inner surface of the sleeve offers the first groove, described
First oilhole is connected with first groove, and toward the first oilhole injected media, the medium is full of in the sleeve and institute
State between rotating shaft, so that the internal diameter of the sleeve increases, be easy to the sleeve to be separated with the rotating shaft.
Further, the end face of the sleeve offers the second oilhole, and the outer surface of the sleeve offers second
Groove, second oilhole is connected with second groove.Toward the second oilhole injected media, the medium is full of in described
Between sleeve and the iron core, so that the external diameter of the sleeve reduces, it is easy to the sleeve to be separated with the iron core.
Further, first groove and second groove are spiral groove or annular connectivity slot.
Further, first groove and second groove are interspersed, to strengthen the intensity of the sleeve.
Further, first oilhole is symmetric with the axis of second oilhole on the sleeve.
Further, the end of the iron core offers the 3rd oilhole, and the outer surface of the sleeve offers the 3rd
Groove, towards the iron core, the 3rd groove is connected with the 3rd oilhole for the opening of the 3rd groove.
Further, the end of the iron core offers the 4th oilhole, and the iron core is opened up near the one side of the sleeve
There is the 4th groove, towards the sleeve, the 4th groove is connected with the 4th oilhole for the opening of the 4th groove.
Further, the 5th groove is offered in the rotating shaft, the 5th groove is connected with first oilhole.
A kind of electric rotating machine that the present invention is provided, including support, stator and above-mentioned rotor, the stator are arranged on
On the support, the stator sleeve is located at the rotor.
A kind of method for dismounting that the present invention is provided, for above-mentioned rotor, the end face of the sleeve offers second
Oilhole, the outer surface of the sleeve offers the second groove, and second oilhole is connected with second groove.
The medium is injected into first oilhole, the medium is full of in the rotating shaft and institute by first groove
State between sleeve, the internal diameter of the sleeve increases, the gap increase between the sleeve and the rotating shaft.
The sleeve is separated with the rotating shaft.
The medium is injected into second oilhole, the medium is full of between the sleeve and the iron core, described
The external diameter of sleeve reduces, the gap increase between the sleeve and the iron core.
The sleeve is separated with the rotating shaft.
Rotor, electric rotating machine and method for dismounting that the present invention is provided have the beneficial effect of the following aspects：
The rotor that the present invention is provided, iron core and sleeve interference fit, rotor and sleeve interference fit, by sleeve
The upper groove for setting oilhole and being connected with oilhole, the oil toward oilhole injection certain pressure increases the gap between interference fit part
Greatly, consequently facilitating dismounting.And the oil of injection can also play lubrication between interference fit part, it is to avoid parts are in dismounting
During sustain damage.
The electric rotating machine that the present invention is provided includes above-mentioned rotor, can conveniently dismantle the rotor iron of rotor
The parts such as core, rotating shaft, sleeve, and parts are preserved from can ensure that unloading process, and reusing for parts is not influenceed
And positioning precision.
The method for dismounting that the present invention is provided, the method is applied to tearing open for the interference fit part of similar above-mentioned motor rotor construction
Unload.Unloading process is simple to operate, quickness and high efficiency, time saving and energy saving and less demanding to operating personnel, and security performance is high,
The installation accuracy for not influenceing parts to reuse, finished product scrappage is low, cost-effective.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The structural representation of the rotor that Fig. 1 is provided for first embodiment of the invention；
A kind of distribution schematic diagram of the first groove of the rotor that Fig. 2 is provided for first embodiment of the invention；
Another distribution schematic diagram of the first groove of the rotor that Fig. 3 is provided for first embodiment of the invention；
The structural representation of the rotor that Fig. 4 is provided for second embodiment of the invention.
Icon：100- rotors；110- rotating shafts；120- sleeves；The oilholes of 121- first；The oilholes of 123- second；125-
One groove；1251- radial slots；1253- axial grooves；The grooves of 127- second；The oilholes of 124- the 3rd；The grooves of 126- the 3rd；130- iron
Core.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term "front", "rear" are base
The orientation or position relationship usually put when orientation shown in the drawings or position relationship, or product of the present invention are used, or
Person is the orientation or position relationship that those skilled in the art usually understand, is for only for ease of and describes the present invention and simplify to describe,
Rather than indicate imply signified equipment or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
" first " of the invention, " second " etc., are used only for being distinguish between in description, not special implication.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can be
It is joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can be with concrete condition
Understand above-mentioned term concrete meaning in the present invention.
First embodiment
Because rotor 100 is rotational structure, the structure of half is illustrate only in accompanying drawing, second half is therewith on axis
Symmetrically, not shown, accompanying drawing is only structure or remote principle schematic, does not represent actual ratio size.
The structural representation of the rotor 100 that Fig. 1 is provided for first embodiment of the invention, refer to Fig. 1.The present invention is carried
A kind of rotor 100 for supplying, including iron core 130, sleeve 120 and rotating shaft 110, sleeve 120 include inner surface and outer surface, interior
Surface is sheathed on rotating shaft 110 and sleeve 120 and the interference fit of rotating shaft 110, iron core 130 be sheathed on outer surface and sleeve 120 with
The interference fit of iron core 130.
The end face of sleeve 120 offers the first oilhole 121 and the second oilhole 123.The inner surface of sleeve 120 offers first
Groove 125, the first oilhole 121 is connected with the first groove 125, and toward the injected media of the first oilhole 121, medium is full of in sleeve 120
And rotating shaft 110 between, so that the internal diameter increase of sleeve 120, is easy to sleeve 120 to be separated with rotating shaft 110.
The outer surface of sleeve 120 offers the second groove 127, and the second oilhole 123 is connected with the second groove 127.Toward second
The injected media of oilhole 123, medium is full of between sleeve 120 and iron core 130, so that the external diameter of sleeve 120 reduces, is easy to sleeve
120 separate with iron core 130.
Preferably, the first oilhole 121 is symmetric with the second axis of the oilhole 123 on sleeve 120.
It should be noted that in other preferred embodiments, the first oilhole 121 and the second oilhole 123 can also be asymmetric
Distribution, the first oilhole 121 of satisfaction is connected with the first groove 125 or the second oilhole 123 is connected with the second groove 127, toward the first oil
121 or second oilhole of hole 123 injection certain pressure medium so that between interference fit part gap increase, it is easy to disassemble i.e.
Can.Wherein, medium can be fluid or grease with certain pressure, it is of course also possible to be other materials.
A kind of distribution schematic diagram of the first groove 125 of the rotor 100 that Fig. 2 is provided for first embodiment of the invention,
Refer to Fig. 2.First groove 125 is spiral groove, sleeve 120 is launched, inner surface of first groove 125 in sleeve 120
Distribution map it is as shown in Figure 2.Wherein, the spiral number of turns of spiral groove can be a circle, Liang Quan, three circle, five circle etc., here not
Do concrete restriction.
Another distribution of the first groove 125 of the rotor 100 that Fig. 3 is provided for first embodiment of the invention is illustrated
Figure, refer to Fig. 3.First groove 125 is annular connectivity slot, sleeve 120 is launched, interior table of first groove 125 in sleeve 120
The distribution map in face is as shown in Figure 3.First groove 125 includes radial slot 1251 and axial groove 1253, and radial slot 1251 is along sleeve 120
Axially spaced-apart set, axial groove 1253 is arranged between two adjacent radial slots 1251, adjacent to connect radial slot 1251
Two axial grooves 1253 are opened in the relative both sides of sleeve 120 respectively.Preferably, radial slot 1251 is put down along the axial direction of sleeve 120
Row is set.Such design contributes in the first groove 125 full of pressure medium, contributes to the dismounting of interference fit part.
It is easily understood that the annulus wheel profile that radial slot 1251 is opened up be not limited in it is vertical with the axis of sleeve 120,
Can also be obliquely installed in other angles；Similarly, the axis of axial groove 1253 can not also with the diameter parallel of sleeve 120,
Can be obliquely installed into other angles.The distribution of the first groove 125 is not limited in the above-mentioned mode enumerated, as long as pressure can be made
Medium is full of the first groove 125, sleeve 120 and the gap of rotating shaft 110 is increased and is played good lubrication, all at this
Within the protection domain of embodiment.
First groove 125 and the second groove 127 are interspersed, to strengthen the intensity of sleeve 120.The shape of the second groove 127
Shape is similar with the first groove 125, and distribution mode of second groove 127 in the outer surface of sleeve 120 is also covering with the first groove 125
The distribution mode of the inner surface of cylinder 120 is identical, repeats no more here.
It should be noted that if sleeve 120 and rotating shaft 110 did not needed regular dismounting, the of the inner surface of sleeve 120
One groove 125 can be omitted；Conversely, if sleeve 120 and iron core 130 do not need regular dismounting, the of the outer surface of sleeve 120
Two grooves 127 can be omitted.
Second embodiment
The structural representation of the rotor 100 that Fig. 4 is provided for second embodiment of the invention, refer to Fig. 4.The present embodiment
The rotor 100 of offer, the first oilhole 121 is offered in the end face of sleeve 120, and the inner surface of sleeve 120 offers first
Groove 125, the first groove 125 is connected with the first oilhole 121；The 3rd oilhole 124, sleeve 120 are offered in the end of iron core 130
Outer surface offer the 3rd groove 126, the opening of the 3rd groove 126 towards iron core 130, the 3rd groove 126 and the 3rd oilhole
124 connections.
Inject hydraulic oil toward the first oilhole 121, hydraulic oil through the first groove 125 be full of in sleeve 120 and rotating shaft 110 it
Between, increase the internal diameter of sleeve 120, increase the gap between sleeve 120 and rotating shaft 110, rotating shaft easy to disassemble 110 and sleeve
120.And hydraulic oil has lubrication simultaneously, frictional resistance is reduced, it is to avoid unloading process parts are damaged.
Inject hydraulic oil toward the 3rd oilhole 124, hydraulic oil through the 3rd groove 126 be full of in sleeve 120 and iron core 130 it
Between, reduce the external diameter of sleeve 120, increase the gap between sleeve 120 and iron core 130, iron core easy to disassemble 130 and sleeve
120.And hydraulic oil has lubrication simultaneously, frictional resistance is reduced, it is to avoid parts are damaged in unloading process.
It should be noted that the 3rd oilhole 124 is except the inclined hole shown in figure, or L-type straight hole or other shapes
The hole of shape, as long as can meet the 3rd oilhole 124 being connected with the 3rd groove 126, it is recessed that hydraulic oil can flow into the 3rd from the 3rd oilhole 124
Groove 126 so that full of between sleeve 120 and iron core 130, realize the gap between sleeve 120 and iron core 130 under pressure
Increase, is easy to separate.
Similarly, the rotor 100 that the present embodiment is provided, can also open up the 4th oilhole (figure in the end of iron core 130
In be not drawn into), iron core 130 offers the 4th groove (being not drawn into figure), the opening court of the 4th groove near the one side of sleeve 120
To sleeve 120, the 4th groove is connected with the 4th oilhole.Toward the 4th oilhole inject hydraulic oil, hydraulic oil through the 4th groove be full of in
Between sleeve 120 and iron core 130, reduce the external diameter of sleeve 120, the gap between increase sleeve 120 and iron core 130 is easy to
Dismounting iron core 130 and sleeve 120.
Also the 5th groove (being not drawn into figure) or in rotating shaft 110 is offered, the 5th groove is substituted in first embodiment
The first groove 125, the 5th groove connects with the first oilhole 121.Hydraulic oil is injected toward the first oilhole 121, hydraulic oil is through rotating shaft
The 5th groove on 110 is full of between sleeve 120 and rotating shaft 110, increases the internal diameter of sleeve 120, is increased sleeve 120 and is turned
Gap between axle 110, rotating shaft easy to disassemble 110 and sleeve 120.
The first groove 125 in the 3rd groove 126, the 4th groove and the 5th groove and first embodiment in the present embodiment
Shape and arrangement mode it is similar, NM other parts content is identical with first embodiment in the present embodiment, here no longer
Repeat.
Present invention also offers a kind of electric rotating machine, including support, stator and above-mentioned rotor 100, stator is installed
On support, stator sleeve is located at rotor 100.The electric rotating machine can be used repeatedly after having convenient disassembly, dismounting, into
The low advantage of product scrappage.
3rd embodiment
Present invention also offers a kind of method for dismounting, for above-mentioned rotor 100, sleeve 120 and the interference of rotating shaft 110
Cooperation, sleeve 120 and the interference fit of iron core 130.The end face of sleeve 120 offers the first oilhole 121 and the second oilhole 123, set
The inner surface of cylinder 120 offers the first groove 125, and the first oilhole 121 is connected with the first groove 125.Open the outer surface of sleeve 120
The second groove 127 is provided with, the second oilhole 123 is connected with the second groove 127.
Hydraulic oil is injected in the first oilhole 121 using oil pump or other drive devices, hydraulic oil enters from the first oilhole 121
Enter the first groove 125 and be full of between the inner surface of sleeve 120 and rotating shaft 110, under the pressure of hydraulic oil, make sleeve 120
Internal diameter increases, the gap increase between the inner surface of sleeve 120 and rotating shaft 110, is easy to the dismounting of sleeve 120 and rotating shaft 110, so that
Release sleeve 120 and rotating shaft 110.
Similarly, hydraulic oil is injected in the second oilhole 123 using oil pump or other drive devices, hydraulic oil is from the second oilhole
123 into the second groove 127 and are full of between the outer surface of sleeve 120 and iron core 130, under the pressure of hydraulic oil, make sleeve
120 external diameter reduces, the gap increase between the outer surface of sleeve 120 and iron core 130, is easy to tearing open for sleeve 120 and iron core 130
Unload, so that release sleeve 120 and iron core 130.
And, hydraulic oil is riddled between the inner surface of sleeve 120 and rotating shaft 110, or riddles the appearance of sleeve 120
Between face and iron core 130, good lubrication can be played, reduce sleeve 120 and rotating shaft 110 (or sleeve 120 and iron core
130) frictional resistance between, had both facilitated dismounting to also ensure that the parts of rotor 100 in unloading process are injury-free.
In repeatedly using, the positioning precision and installation accuracy of parts are not interfered with yet.Needing the rotor examination of regular dismounting
Testing the occasions such as frock can improve the repeat usage of part, reduce production, experimentation cost, and improve efficiency.
The method for dismounting is time saving and energy saving, to the basic not damaged of parts dismantled, can reuse.Dismounting is quick high
Effect, security performance are high, reduce the scrappage of finished product, greatly save cost.The method for dismounting is applicable not only to rotor
100 dismounting, is applied equally to the dismounting of motor bearings and the dismounting, sleeve 120 and bearing inner seat of rotating shaft 110, or its
The dismounting of its interference fit part, in particular for the relatively costly accuracy part of regular dismounting, the scope of application is very wide
It is general, with great application value.
To sum up, the rotor 100, electric rotating machine and method for dismounting that the present invention is provided have the beneficial of the following aspects
Effect：
Rotor 100 and electric rotating machine that the present invention is provided, open up oilhole, on the surface of sleeve 120 in the end face of sleeve 120
Open up groove, and oilhole is connected with groove, high-pressure medium injected toward oilhole, make sleeve 120 under high pressure effect internal diameter increase or
External diameter reduces, in order to the separation of interference fit part.The detaching structure of the rotor 100 is simple, to parts not damaged, can
To reuse, less demanding to operating personnel, time saving and energy saving, security performance is high, reduces the labour intensity of operating personnel.
The method for dismounting that the present invention is provided, it is adaptable to the dismounting of interference fit part, is particularly well-suited to need frequent dismounting
Relatively costly accuracy part.Such as, the dismounting of the grade of rotor 100 rotational structure.Before and after dismounting, rotating shaft 110, bearing etc.
Member profile and fit dimension, positioning precision, installation accuracy etc. are basically unchanged, and the part energy repeatability such as rotating shaft 110, bearing makes
With, scrappage is reduced, reduce use cost.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various changes, combination and change.It is all within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvements etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of rotor, it is characterised in that including iron core, sleeve and rotating shaft, the sleeve includes inner surface and outer surface,
The inner surface is sheathed on the rotating shaft and the sleeve and the rotating shaft interference fit, and the iron core sleeve is located at the appearance
Face and the sleeve and the iron core interference fit；
The end face of the sleeve offers the first oilhole, and the inner surface of the sleeve offers the first groove, described first
Oilhole is connected with first groove, and toward the first oilhole injected media, the medium is full of in the sleeve and described turn
Between axle, so that the internal diameter increase of the sleeve, is easy to the sleeve to be separated with the rotating shaft.
2. rotor according to claim 1, it is characterised in that the end face of the sleeve offers the second oilhole, institute
The outer surface for stating sleeve offers the second groove, and second oilhole is connected with second groove；Toward the described second oil
Hole injected media, the medium is full of between the sleeve and the iron core, so that the external diameter of the sleeve reduces, is easy to institute
Sleeve is stated to be separated with the iron core.
3. rotor according to claim 2, it is characterised in that first groove and second groove are spiral shell
Rotation connected in star or annular connectivity slot.
4. rotor according to claim 2, it is characterised in that first groove and second groove interlock point
Cloth, to strengthen the intensity of the sleeve.
5. rotor according to claim 2, it is characterised in that first oilhole is with second oilhole on institute
The axis for stating sleeve is symmetric.
6. rotor according to claim 1, it is characterised in that the end of the iron core offers the 3rd oilhole, institute
The outer surface for stating sleeve offers the 3rd groove, the opening of the 3rd groove towards the iron core, the 3rd groove
Connected with the 3rd oilhole.
7. rotor according to claim 1, it is characterised in that the end of the iron core offers the 4th oilhole, institute
State iron core and offer the 4th groove near the one side of the sleeve, the opening of the 4th groove towards the sleeve, described the
Four grooves are connected with the 4th oilhole.
8. rotor according to claim 1, it is characterised in that the 5th groove, described are offered in the rotating shaft
Five grooves are connected with first oilhole.
9. a kind of electric rotating machine, it is characterised in that turn including the motor any one of support, stator and claim 1 to 8
Son, the stator is arranged on the support, and the stator sleeve is located at the rotor.
10. a kind of method for dismounting, for the rotor described in claim 1, it is characterised in that the end face of the sleeve is opened up
The outer surface for having the second oilhole, the sleeve offers the second groove, and second oilhole is connected with second groove；
The medium is injected into first oilhole, the medium is full of in the rotating shaft and the set by first groove
Between cylinder, the internal diameter increase of the sleeve, the gap increase between the sleeve and the rotating shaft；
The sleeve is separated with the rotating shaft；
The medium is injected into second oilhole, the medium is full of between the sleeve and the iron core, the sleeve
External diameter reduce, the increase of gap between the sleeve and the iron core；
The sleeve is separated with the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089681.7A CN106712354B (en) | 2017-02-20 | 2017-02-20 | Motor rotor, rotating electric machine, and disassembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089681.7A CN106712354B (en) | 2017-02-20 | 2017-02-20 | Motor rotor, rotating electric machine, and disassembling method |
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| Publication Number | Publication Date |
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| CN106712354A true CN106712354A (en) | 2017-05-24 |
| CN106712354B CN106712354B (en) | 2023-03-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317699A (en) * | 2018-10-12 | 2019-02-12 | 苏州汇川技术有限公司 | Electric spindle of lathe rotor, method for dismounting and electric spindle of lathe motor |
| CN111049293A (en) * | 2019-12-24 | 2020-04-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Large-scale direct current propulsion motor rotor |
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| CN109317699A (en) * | 2018-10-12 | 2019-02-12 | 苏州汇川技术有限公司 | Electric spindle of lathe rotor, method for dismounting and electric spindle of lathe motor |
| CN111049293A (en) * | 2019-12-24 | 2020-04-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Large-scale direct current propulsion motor rotor |
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