CN106078193B - A kind of engine rotor axis installation method and connection ring and blanking cover - Google Patents
A kind of engine rotor axis installation method and connection ring and blanking cover Download PDFInfo
- Publication number
- CN106078193B CN106078193B CN201610459077.4A CN201610459077A CN106078193B CN 106078193 B CN106078193 B CN 106078193B CN 201610459077 A CN201610459077 A CN 201610459077A CN 106078193 B CN106078193 B CN 106078193B
- Authority
- CN
- China
- Prior art keywords
- blanking cover
- connection ring
- armature spindle
- inner stopper
- bearing
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
- Control Of Turbines (AREA)
Abstract
The invention discloses a kind of engine rotor axis installation method and connection ring and blanking covers, are related to technical field of engines.The engine rotor axis installation method comprises the steps of：Armature spindle is installed in connection ring by S1；Preceding blanking cover is set on armature spindle, and is fixedly connected with connection ring by S2；Clutch shaft bearing is assembled on armature spindle by S3, and armature spindle, preceding blanking cover, clutch shaft bearing and connection ring form component；Bearing Casing is assembled on Middle casing, and second bearing is assembled on the Bearing Casing；S4, the mobile component, makes the preceding blanking cover be bonded with the Bearing Casing；S5 dismantles the connection ring, meanwhile, rear blanking cover is fixedly connected with the Bearing Casing.A kind of connection ring, for engine rotor axis installation method as described above.A kind of blanking cover, for engine rotor axis installation method as described above.The beneficial effects of the present invention are：It disclosure satisfy that the demand of rev-happy engine, realize the Fast Installation of rotor and stator.
Description
Technical field
The present invention relates to technical field of engines, and in particular to a kind of engine rotor axis installation method and connection ring and stifled
Lid.
Background technology
Engine generally comprises rotor and stator, and rotor includes armature spindle and blisk, and stator includes preceding blanking cover, blocks up afterwards
Lid, Bearing Casing and Middle casing.Stator is connected fixation with aircraft or naval vessel, and similar to ground connection, support is provided for rotor；Rotor
By bearings on stator, bearing inner race is set on the armature spindle of rotor, and bearing outer ring is mounted on stator.It is common
Assembling is that rotor assembles wheel discs and blade or blisk and armature spindle at different levels respectively in order；Stator fills respectively in order
With casings at different levels, stator blade and inner ring.At Middle casing be also in this way, Middle casing is fixedly connected with aircraft or naval vessel,
Bearing Casing is fixedly connected with Middle casing, and bearing inner race is set on armature spindle, and outer ring is mounted on Bearing Casing, bearing machine
The both ends of casket are separately installed with preceding blanking cover and rear blanking cover, since the bearing outside diameter at nearby blanking cover being leaned on to be less than the endoporus of preceding blanking cover,
Entire rotor can be moved from the front to the back, axis is passed through after preceding blanking cover until rear blanking cover, and realization turns stator assembling.With engine
The raising of rotating speed is, it is necessary to which large scale loading ability of bearing, the size of respective shaft also increase, it may appear that straight by the bearing top circle of nearby blanking cover
Footpath is more than the endoporus of preceding blanking cover, can not be mounted directly rotor, leans on the bearing top circle diameter of nearby blanking cover small if it is desired to realizing at this time
In preceding blanking cover endoporus, it is necessary to raise the installation side height of blisk and armature spindle, but this will cause blisk and rotor
Situation of the axis without assembling track wrench space, while cause the wheel excessively high situation of disk stress；At this time if be first assembled to preceding blanking cover
On Bearing Casing, the armature spindle with bearing can not pass through the blanking cover, and if first filling axis, preceding blanking cover can not be assembled.It needs at this time
By preceding blanking cover and the same fashionable dress of armature spindle, i.e., preceding blanking cover is first passed through into axis, vacantly put, after armature spindle passes through Bearing Casing,
Preceding blanking cover also moves together, and current blanking cover is moved to stopping at Bearing Casing assembling.Due to the gap between blanking cover and bearing
Very small, in assembling, blanking cover is easily damaged the surface of axis, reduces the reliability of axis, and the opposite position of preceding blanking cover and armature spindle
It puts and is not easy to determine.
The content of the invention
The object of the present invention is to provide a kind of engine rotor axis installation method and connection ring and blanking cover, with solution or at least
Mitigate background technology in the presence of at least one at the problem of.
The technical solution adopted by the present invention is：A kind of engine rotor axis installation method is provided, is comprised the steps of：S1,
Armature spindle is installed in connection ring；Preceding blanking cover is set on the armature spindle by S2, and is fixedly connected with the connection ring；
Clutch shaft bearing is assembled on the armature spindle by S3, and the armature spindle, preceding blanking cover, clutch shaft bearing and connection ring form component；Together
When, Bearing Casing is assembled on Middle casing, and second bearing is assembled on the Bearing Casing；S4, the armature spindle
Through the second bearing, while the mobile component, the preceding blanking cover is made to be bonded with the Bearing Casing, then will be described before
Blanking cover is fixedly connected with the Bearing Casing；S5 dismantles the connection ring, meanwhile, rear blanking cover and the Bearing Casing are fixed
Connection.
Preferably, in the step S1, the connection ring is provided with the first inner stopper, first inner stopper with described turn
The installation side outer circle of sub- axis cooperatively forms the first radial positioning face.
Preferably, the installation side junction of the connection ring and the armature spindle is provided with dismounting jackscrew, the dismounting top
There are two silk is at least uniformly arranged in the circumferencial direction of the connection ring.
Preferably, in the step S2, the connection ring is provided with the second inner stopper, and the preceding blanking cover is provided with outside second
Seam allowance, second inner stopper cooperatively form the second radial positioning face with second male half coupling.
Preferably, the gap width between the gap between the first radial positioning face and the second radial positioning face it
Fit clearance between endoporus less than the preceding blanking cover and the armature spindle.
The present invention also provides a kind of connection ring, the connection ring is used for engine rotor axis installation side as described above
Method, connection ring include the first positioning region and the second positioning region, are provided with the first inner stopper on first positioning region, and described second
The second inner stopper is provided on positioning region, the connection ring passes through first inner stopper and the armature spindle radial positioning, institute
It states connection ring and passes through second inner stopper and preceding blanking cover radial positioning.
Preferably, the connection ring is also comprising dismounting jackscrew；Dismounting top wire hole is provided on first positioning region, it is described
It dismantles jackscrew to be mounted in the dismounting top wire hole, circumferencial direction of the dismounting jackscrew in first positioning region is at least set
There are two.
Preferably, the dismounting jackscrew is interior hexagonal cylindrical end holding screw.
The present invention also provides a kind of blanking cover, the blanking cover is used for engine rotor axis installation method as described above, institute
Blanking cover is stated as the preceding blanking cover on armature spindle, is provided with the second male half coupling on the preceding blanking cover, the preceding blanking cover passes through described second
Male half coupling and connection ring radial positioning.
Preferably, the 3rd inner stopper is provided on the preceding blanking cover, the preceding blanking cover passes through described with the Bearing Casing
3rd inner stopper radial positioning.
The beneficial effects of the present invention are：
The armature spindle installation method of the present invention can meet the needs of engine, realize rev-happy engine rotor and stator
Installation, the relative position of blanking cover and armature spindle before being fixed by connection ring realizes armature spindle with pacifying while preceding blanking cover
Dress avoids blanking cover before being individually moved from causing to damage to armature spindle surface.
The connection ring of the present invention is provided with the first inner stopper and the second inner stopper, can be to armature spindle and preceding blanking cover into conduct
To positioning, be conducive to the Fast Installation of armature spindle.
The blanking cover of the present invention is provided with the second male half coupling and the 3rd inner stopper, before can realizing blanking cover compared with connection ring and
The radial positioning of Bearing Casing is conducive to the Fast Installation of armature spindle.
Description of the drawings
Fig. 1 is the flow chart of the engine rotor axis installation method of one embodiment of the invention.
Fig. 2 is the mounting structure schematic diagram of armature spindle installation method shown in FIG. 1.
Fig. 3 is the schematic cross-section of the connection ring in armature spindle installation method shown in FIG. 1.
Fig. 4 is the schematic cross-section of the preceding blanking cover in armature spindle installation method shown in FIG. 1.
Wherein, 1- armature spindles, blanking cover before 2-, 3- clutch shaft bearings, 4- Bearing Casings, 6- Middle casings, 7- second bearings, 9-
Connection ring, the first positioning regions of 91-, the second positioning regions of 92-, the first radial positionings of 19- face, the second radial positionings of 29- face.
Specific embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or there is same or like element.Described embodiment is the present invention
Part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without creative efforts, belong to the scope of protection of the invention.Under
Face is described in detail the embodiment of the present invention with reference to attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
As shown in Figures 1 to 4, a kind of engine rotor axis installation method, comprises the steps of：S1 installs armature spindle 1
Onto connection ring 9；Preceding blanking cover 2 is set on armature spindle 1, and is fixedly connected with connection ring 9 by S2；S3 fills clutch shaft bearing 3
It is fitted on armature spindle 1, armature spindle 1, preceding blanking cover 2, clutch shaft bearing 3 and connection ring 9 form component；Meanwhile Bearing Casing 4 is assembled
It is assembled to onto Middle casing 6, and by second bearing 7 on Bearing Casing 4；S4, armature spindle 1 pass through second bearing 7, mobile simultaneously
The component, blanking cover 2 is bonded with Bearing Casing 4 before making, and is then fixedly connected with preceding blanking cover 2 with Bearing Casing 4；S5, dismounting connect
Ring 9 is connect, meanwhile, rear blanking cover 5 is fixedly connected with Bearing Casing 4.
The armature spindle installation method of the present invention can meet the needs of engine, realize the rotor of rev-happy engine with it is quiet
The installation of son, the relative position of blanking cover 2 and armature spindle 1 before being fixed by connection ring 9, realizes armature spindle 1 and preceding blanking cover 2
It installs simultaneously, blanking cover 2 before being individually moved is avoided to cause to damage to the surface of armature spindle 1
In the present embodiment, in step sl, connection ring 9 is provided with the first inner stopper, the first inner stopper and armature spindle 1
Installation side outer circle cooperatively forms the first radial positioning face 19.In the present embodiment, the first inner stopper and armature spindle in connection ring 9
1 installation side outer circle transition cooperation.
In the present embodiment, the installation side junction of connection ring 9 and armature spindle 1 is provided with dismounting jackscrew, the dismounting top
There are two silk is at least uniformly arranged in the circumferencial direction of connection ring 9.It the advantage is that, when armature spindle 1 and preceding blanking cover 2 are installed in place
Afterwards, by dismantling jackscrew connection ring 9 easy to disassemble.
In the present embodiment, in step s 2, connection ring 9 is provided with the second inner stopper, and preceding blanking cover 2 is provided with outside second only
Mouthful, second inner stopper cooperatively forms the second radial positioning face 29 with second male half coupling.In the present embodiment, described
Two inner stoppers coordinate with the second male half coupling transition.
In the present embodiment, the gap width between the gap and the second radial positioning face 29 between the first radial positioning face 19
The sum of be less than fit clearance between the endoporus of preceding blanking cover 2 and armature spindle 1.
The present invention also provides a kind of connection ring, the connection ring is used for engine rotor axis installation side as described above
Method, connection ring 9 include the first positioning region 91 and the second positioning region 92, are provided with the first inner stopper on the first positioning region 91, and second
The second inner stopper is provided on positioning region 92, connection ring 9 passes through first inner stopper and 1 radial positioning of armature spindle, connection ring 9
Pass through second inner stopper and preceding 2 radial positioning of blanking cover.
The connection ring 9 of the present invention is provided with the first inner stopper and the second inner stopper, can to armature spindle 1 and preceding blanking cover 2 into
Row radial positioning is conducive to the Fast Installation of armature spindle 2.
In the present embodiment, connection ring 9 is also comprising dismounting jackscrew；Dismounting top wire hole, institute are provided on first positioning region 91
It states dismounting jackscrew to be mounted in the dismounting top wire hole, circumferencial direction of the dismounting jackscrew in the first positioning region 91 is at least set
There are two.The advantage is that, facilitate the dismounting of connection ring 9, and there are two being at least uniformly arranged, it is ensured that removal force it is flat
Weighing apparatus.
In the present embodiment, the dismounting jackscrew is interior hexagonal cylindrical end holding screw.It the advantage is that, pass through interior hexagonal
The socket cap of cylinder end clamping fixed screw is withstood on the installation side of armature spindle 1, can prevent the thread damage of holding screw.
The present invention also provides a kind of blanking cover, the blanking cover is used for engine rotor axis installation method as described above, institute
Blanking cover is stated as the preceding blanking cover 2 on armature spindle 1, the second male half coupling is provided on preceding blanking cover 2, preceding blanking cover 2 stops outside by described second
Mouth and 9 radial positioning of connection ring.
It is understood that the 3rd inner stopper can also be set on preceding blanking cover 2, for example, in an alternative embodiment, it is preceding
Blanking cover 2 passes through the 3rd inner stopper radial positioning with Bearing Casing 4.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from the essence of various embodiments of the present invention technical solution
God and scope.
Claims (10)
1. a kind of engine rotor axis installation method, which is characterized in that comprise the steps of：
Armature spindle (1) is installed in connection ring (9) by S1；
Preceding blanking cover (2) is set on the armature spindle (1) by S2, and is fixedly connected with the connection ring (9)；
Clutch shaft bearing (3) is assembled on the armature spindle (1) by S3, the armature spindle (1), preceding blanking cover (2), clutch shaft bearing (3)
And connection ring (9) forms component；Meanwhile Bearing Casing (4) is assembled on Middle casing (6), and second bearing (7) is assembled
Onto the Bearing Casing (4)；
S4, the armature spindle (1) pass through the second bearing (7), while the mobile component, make the preceding blanking cover (2) and institute
Bearing Casing (4) fitting is stated, is then fixedly connected with the preceding blanking cover (2) with the Bearing Casing (4)；
S5 dismantles the connection ring (9), meanwhile, rear blanking cover (5) is fixedly connected with the Bearing Casing (4).
2. engine rotor axis installation method as described in claim 1, it is characterised in that：In the step S1, the connection
Ring (9) is provided with the first inner stopper, and the installation side outer circle of first inner stopper and the armature spindle (1) cooperatively forms the first footpath
To positioning surface (19).
3. engine rotor axis installation method as claimed in claim 2, it is characterised in that：The connection ring (9) with described turn
The installation side junction of sub- axis (1) is provided with dismounting jackscrew, the dismounting jackscrew the connection ring (9) circumferencial direction at least
There are two being uniformly arranged.
4. engine rotor axis installation method as claimed in claim 2, it is characterised in that：In the step S2, the connection
Ring (9) is provided with the second inner stopper, and the preceding blanking cover (2) is provided with the second male half coupling, second inner stopper and described second
Male half coupling cooperatively forms the second radial positioning face (29).
5. engine rotor axis installation method as claimed in claim 4, it is characterised in that：The first radial positioning face (19)
Between gap and the second radial positioning face (29) between the sum of gap width be less than endoporus and the institute of the preceding blanking cover (2)
State the fit clearance between armature spindle (1).
6. a kind of connection ring, it is characterised in that：The connection ring is used for engine described in any one of claim 1 to 5 such as and turns
Sub- axis installation method, connection ring (9) include the first positioning region (91) and the second positioning region (92), on first positioning region (91)
The first inner stopper is provided with, the second inner stopper is provided on second positioning region (92), the connection ring (9) passes through described
One inner stopper and the armature spindle (1) radial positioning, the connection ring (9) pass through second inner stopper and preceding blanking cover (2) footpath
To positioning.
7. connection ring as claimed in claim 6, it is characterised in that：The connection ring is also comprising dismounting jackscrew；Described first is fixed
Dismounting top wire hole is provided in position portion (91), the dismounting jackscrew is mounted in the dismounting top wire hole, and the dismounting jackscrew exists
The circumferencial direction of first positioning region (91) is at least provided with two.
8. connection ring as claimed in claim 7, it is characterised in that：The dismounting jackscrew is interior hexagonal cylindrical end holding screw.
9. a kind of blanking cover, it is characterised in that：The blanking cover is used for such as engine rotor axis described in any one of claim 1 to 5
Installation method, the blanking cover are the preceding blanking cover (2) on armature spindle (1), and the second male half coupling, institute are provided on the preceding blanking cover (2)
It states preceding blanking cover (2) and passes through second male half coupling and connection ring (9) radial positioning.
10. blanking cover as claimed in claim 9, it is characterised in that：The 3rd inner stopper is provided on the preceding blanking cover (2), it is described
Preceding blanking cover (2) passes through the 3rd inner stopper radial positioning with the Bearing Casing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459077.4A CN106078193B (en) | 2016-06-22 | 2016-06-22 | A kind of engine rotor axis installation method and connection ring and blanking cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459077.4A CN106078193B (en) | 2016-06-22 | 2016-06-22 | A kind of engine rotor axis installation method and connection ring and blanking cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106078193A CN106078193A (en) | 2016-11-09 |
| CN106078193B true CN106078193B (en) | 2018-06-05 |
Family
ID=57237712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610459077.4A Active CN106078193B (en) | 2016-06-22 | 2016-06-22 | A kind of engine rotor axis installation method and connection ring and blanking cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106078193B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640770B (en) * | 2016-12-23 | 2019-05-14 | 贵州黎阳航空动力有限公司 | A kind of birotor combustion engine low-pressure supercharging device assembly method |
| CN111577734A (en) * | 2020-05-13 | 2020-08-25 | 中国航发沈阳发动机研究所 | Jackscrew structure |
| CN112983651B (en) * | 2021-04-26 | 2023-07-28 | 黄锴 | Small aviation double-rotor unmanned aerial vehicle engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52140077A (en) * | 1976-05-18 | 1977-11-22 | Nissan Motor Co Ltd | Press-fitting apparatus for bearing or others |
| JPS5947525A (en) * | 1982-09-09 | 1984-03-17 | Koyo Seiko Co Ltd | Positioning method of rotor and device thereof |
| JP2003245830A (en) * | 2002-02-25 | 2003-09-02 | Nsk Ltd | Sensor rotor holding tool |
| CN202877830U (en) * | 2012-09-29 | 2013-04-17 | 浙江信源电器制造有限公司 | Rotor front and back bearings and central cover synchronous press-in machine |
| CN105312897A (en) * | 2015-05-07 | 2016-02-10 | 苏州胜科设备技术有限公司 | Assembly line for rotor and stator |
-
2016
- 2016-06-22 CN CN201610459077.4A patent/CN106078193B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52140077A (en) * | 1976-05-18 | 1977-11-22 | Nissan Motor Co Ltd | Press-fitting apparatus for bearing or others |
| JPS5947525A (en) * | 1982-09-09 | 1984-03-17 | Koyo Seiko Co Ltd | Positioning method of rotor and device thereof |
| JP2003245830A (en) * | 2002-02-25 | 2003-09-02 | Nsk Ltd | Sensor rotor holding tool |
| CN202877830U (en) * | 2012-09-29 | 2013-04-17 | 浙江信源电器制造有限公司 | Rotor front and back bearings and central cover synchronous press-in machine |
| CN105312897A (en) * | 2015-05-07 | 2016-02-10 | 苏州胜科设备技术有限公司 | Assembly line for rotor and stator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106078193A (en) | 2016-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106078193B (en) | A kind of engine rotor axis installation method and connection ring and blanking cover | |
| CN104520599B (en) | Magnetic bearing is combined with the radial-type for being attached to its auxiliary bearing | |
| CN106464041B (en) | Axail air gap type rotating electric machine | |
| CN105308327B (en) | Pump installation with sliding bearing mechanism | |
| CN105449890A (en) | Motor | |
| US20160102668A1 (en) | Vertical pump having motor support with truss elements | |
| CN106438696A (en) | Magnetic bearing structure | |
| US8941946B2 (en) | Motor including dynamic bearing with seal portion and disk drive apparatus including the same | |
| CN107979214A (en) | The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor | |
| CN205078475U (en) | Ceiling fan | |
| CN107178395A (en) | A kind of structure for turbine blade axially position in impeller race | |
| CN205304436U (en) | Arrange water pump motor rotor | |
| CN201599258U (en) | Coupling structure between impeller and high-speed rotating shaft on high-speed centrifugal compressor | |
| CN104393728B (en) | A kind of Double-stator motor | |
| CN201779144U (en) | Permanent magnet suspension thrust bearing | |
| CN107968512A (en) | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor | |
| CN208656587U (en) | Motor inertia control device | |
| CN104565054A (en) | Axial magnetic bearing redundant structure | |
| CN104976144B (en) | Fan and its motor protective cover | |
| CN207719938U (en) | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor | |
| CN210050094U (en) | Fan bearing system with stable axis | |
| CN205383194U (en) | Quick change bearing frame | |
| CN204205897U (en) | A kind of outer-rotor permanent magnet motor | |
| US20050140226A1 (en) | Spindle motor | |
| CN106677834B (en) | Connect the bolt fastening structure and method of low-pressure turbine disk and rotor supports cone arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |