CN215956146U - Rotor support and rotor assembly - Google Patents
Rotor support and rotor assembly Download PDFInfo
- Publication number
- CN215956146U CN215956146U CN202121807137.XU CN202121807137U CN215956146U CN 215956146 U CN215956146 U CN 215956146U CN 202121807137 U CN202121807137 U CN 202121807137U CN 215956146 U CN215956146 U CN 215956146U
- Authority
- CN
- China
- Prior art keywords
- rotor
- rotor support
- support
- rotating shaft
- cylinder body
- 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
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a rotor bracket and a rotor assembly, wherein the rotor assembly comprises a rotating shaft and at least one rotor bracket sleeved on the rotating shaft, the rotor bracket comprises an outer cylinder, an inner cylinder and a supporting piece, the inner cylinder is sleeved inside the outer cylinder, and an installation cavity is formed between the inner cylinder and the outer cylinder; support piece is located the installation intracavity, it is including being a plurality of first supporting parts of scattered form dispersion formation in the installation intracavity, the both ends of each first supporting part are connected respectively on interior barrel outer wall and outer barrel inner wall, when first supporting part provides intensity support for rotor support, the first through-hole that sets up on it is favorable to alleviateing rotor support's whole weight, a plurality of rotor support cup joint in proper order in the pivot, easy to assemble, and the length of each rotor support can be confirmed according to the processing production of reality, the processing degree of difficulty has been reduced, the production efficiency is improved, be favorable to realizing product serialization and standardized requirement.
Description
Technical Field
The utility model belongs to the technical field of engine equipment, and particularly relates to a rotor bracket and a rotor assembly.
Background
At present, in industrial technology field, the form of motor shaft is various, when designing the motor, for alleviateing the holistic weight of motor, often increases the runing rest between rotor core and motor shaft, is as patent application number: 201520848903.5, the name is motor rotor support and the patent application of the pivot of being connected with motor rotor support, and it discloses a motor rotor support, motor rotor support is hollow cylindrical, be equipped with left end inner flange and right-hand member inner flange on motor rotor support's the inboard face, this structural style's rotor support intensity is less, produces easily under high-power motor operating condition and damages.
In addition, for some high-power motors, the welding and processing of the rotor support of the motor rotating shaft with a longer iron core are difficult, the rotating shaft is connected with the motor rotor support in an interference fit manner, after the interference fit fails, the rotor support is easy to axially transmit, the working stability of the rotor support is affected, once the motor rotating shaft is broken, the problem that the rotating shaft is difficult to separate from the motor rotor support can be caused, the motor rotor support and the rotating shaft are scrapped wholly sometimes, and the difficulty and cost of after-sale maintenance of the motor are increased.
Disclosure of Invention
The utility model aims to provide a rotor support and a rotor assembly, and aims to solve the problems that the rotor support in the prior art is low in overall strength, difficult to machine and install and the like.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
in one aspect, the present invention provides a rotor support comprising:
an outer cylinder;
the inner cylinder body is sleeved inside the outer cylinder body, and an installation cavity is formed between the inner cylinder body and the outer cylinder body;
the supporting piece is positioned in the installation cavity and comprises a plurality of first supporting parts which are scattered and formed in the installation cavity, and two ends of each first supporting part are respectively connected to the outer wall of the inner cylinder body and the inner wall of the outer cylinder body.
In some embodiments of this application, be formed with first through-hole on the first supporting part, first through-hole is used for alleviateing whole rotor support's weight, and is favorable to making things convenient for first supporting part assembly hoist and mount.
In some embodiments of this application, it is adjacent still be formed with the second supporting part between the first supporting part, the second supporting part is including fixing intermediate part on the interior barrel outer wall and being located the intermediate part both ends to the reinforced portion that first supporting part surface extends, the second supporting part is favorable to improving the stability of first supporting part, improves whole rotor support's structural strength.
In some embodiments of the present application, the reinforcement extends outward in a radial direction of the outer cylinder.
In some embodiments of the present application, the inner wall of the inner cylinder is formed with a first positioning portion, which is a slot opening toward the center of the inner cylinder.
In some embodiments of the present application, a plurality of second through holes are dispersedly formed on the outer wall of the outer cylinder.
In another aspect, the present invention further provides a rotor assembly including a rotating shaft and at least one rotor support, wherein the rotor support is sleeved on the rotating shaft.
In some embodiments of the present application, an inner diameter of the inner cylinder is matched with an outer diameter of the rotating shaft, and a second positioning portion is formed on a surface of the rotating shaft, and the second positioning portion is a slot opening to the outer side of the rotating shaft.
In some embodiments of the present application, the rotor support further includes two limiting rings, the limiting rings are respectively located on two sides of the rotating shaft and are used for limiting axial displacement of at least one of the rotor supports, and the limiting rings fix axial positions of one or more rotor supports and limit axial displacement of the rotor supports.
In some embodiments of the present application, the rotor support further includes a connecting portion, and the connecting portion connects the rotor support to the rotating shaft through the first positioning portion and the second positioning portion.
Compared with the prior art, the utility model has the advantages and positive effects that:
be formed with first supporting part between rotor support's interior barrel and outer barrel, be provided with first through-hole on the first supporting part, when first supporting part provides intensity support for rotor support, first through-hole on it is favorable to alleviateing rotor support's whole weight, in the rotor assembly that this application relates, set gradually a plurality of rotor support in the pivot, rotor support's length can be according to the processing degree of difficulty adjustment of reality, the processing degree of difficulty has been reduced, the installation effectiveness is improved, be favorable to realizing product serialization and standardized requirement.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of one embodiment of a rotor support according to the present invention;
FIG. 2 is a schematic view of a support structure;
FIG. 3 is a schematic view of the structure of the rotating shaft;
FIG. 4 is one of the schematic structural views of the rotor assembly;
FIG. 5 is a second schematic view of the rotor assembly;
in the figure, the position of the upper end of the main shaft,
10. an outer cylinder;
20. an inner cylinder;
21. a first positioning portion;
30. a first support section;
31. a first through hole;
40. a second support portion;
41. an intermediate portion;
42. a reinforcing part;
50. a rotating shaft;
60. a connecting portion;
70. a limit ring.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The utility model provides a rotor assembly, which comprises a rotating shaft 50 and at least one rotor bracket sleeved on the rotating shaft 50 along the axial direction of the rotating shaft 50.
Rotor support specifically includes outer barrel 10, interior barrel 20 and support piece, and outer barrel 10 and interior barrel 20 are the tubular structure, and interior barrel 20 cup joints in outer barrel 10, is formed with annular installation cavity between interior barrel 20 and the outer barrel 10, and a plurality of support pieces are along circumference and axial equipartition in the installation cavity, and support piece's both ends all with the outer wall of interior barrel 20 and the interior wall connection of outer barrel 10.
The equal preferred welded mode of all between outer barrel 10 and the support piece and between support piece and the interior barrel 20 is connected fixedly, according to the demand of reality, along the axial of pivot 50, but initial phase meets and is provided with a plurality of runing rest, and each runing rest is processed the back alone, assembles on pivot 50, solves current runing rest for the size of adaptation pivot 50, the whole size length overlength of the runing rest that causes, the problem of processing assembly difficulty.
In order to further reduce the weight of the whole rotor bracket and realize the light-weight design of the rotor bracket, a first through hole 31 is formed on the first supporting part 30, and the first through hole 31 is used for reducing the weight of the whole rotor bracket and is also beneficial to the assembly and hoisting of the first supporting part 30.
In order to improve the structural strength of the entire rotor bracket and the connection stability of the first support parts 30, a second support part 40 is further formed between adjacent first support parts 30 on the same circumference, and the second connection part 60 is further located between two adjacent support parts connected in the axial direction, so as to connect the adjacent first support parts 30.
Further, the second supporting portion 40 is a rib structure, and includes an intermediate portion 41 fixed on the outer wall of the inner cylinder 20 and reinforcing portions 42 located at two ends of the intermediate portion 41 and extending toward the surface of the first supporting portion 30, and the reinforcing portions 42 are simultaneously formed on two axially adjacent first supporting portions 30 and extend outward along the radial direction of the outer cylinder 10 to achieve the function of connection and fixation.
The middle portion 41 of the second supporting portion 40 is beneficial to limiting the fixed distance between two adjacent first supporting portions 30 on the same circumference, so that the connection supporting strength of the first supporting portions 30 is improved, and the overall stability of the rotor support is improved.
In order to strengthen the connection of the rotor supports and avoid axial movement between the rotor supports, the limiting rings 70 are arranged on the two sides of the connected rotor supports, the inner rings of the limiting rings 70 are clamped on the rotating shaft 50, the rotor supports are limited between the limiting rings 70 at the two ends, and the axial direction of the rotor supports is limited and fixed.
In order to realize the connection between the rotating shaft 50 and the rotor support, a first positioning portion 21 is formed on the inner wall of the inner cylinder 20, the first positioning portion 21 is a slot with an opening facing the center of the inner cylinder 20, and is adapted to the first positioning portion 21 of the inner cylinder 20, a second positioning portion is also formed on the rotating shaft 50, and is located on the surface of the rotating shaft 50, and is a slot with an opening facing the outside, in the connection process between the rotor support and the rotating shaft 50, a connecting portion 60 is pre-installed in the second positioning portion, the top surface of the connecting portion 60 protrudes out of the surface of the rotating shaft 50, and then the first positioning portion 21 of the rotor support is correspondingly installed on the connecting portion 60, and the synchronous rotation between the rotating shaft 50 and the rotor support is realized through the connecting portion 60.
In some embodiments of the present application, in order to further reduce the weight of the rotor holder, a plurality of second through holes are also dispersedly formed on the outer wall of the outer cylinder 10.
The connecting portion 60 is a flat key, and correspondingly, the first positioning portion 21 and the second positioning portion are both of a key groove structure, so that the rotor support and the rotating shaft 50 are prevented from rotating relatively to cause connection failure once interference failure occurs under the condition that the conventional rotor support and the rotating shaft 50 are directly connected in an interference fit manner; in some embodiments of the present application, the rotor bracket further includes a connecting portion 60, and the connecting portion 60 connects the rotor bracket to the rotating shaft 50 through the first positioning portion 21 and the second positioning portion.
The rotor support in the technical scheme is connected to the rotating shaft 50 in a sectional mode, so that the problems that the rotor support is too large in size, inconvenient to weld and difficult to machine the first positioning part 21 due to the fact that the rotating shaft 50 is too long are solved; the length and the number of the segments of each rotor bracket can be adjusted according to the length of the rotating shaft 50, the requirements of product serialization and standardization are met, and the installation efficiency and the structural strength of the whole rotor assembly are improved.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.
Claims (10)
1. A rotor support, comprising:
an outer cylinder;
the inner cylinder body is sleeved inside the outer cylinder body, and an installation cavity is formed between the inner cylinder body and the outer cylinder body;
the supporting piece is positioned in the installation cavity and comprises a plurality of first supporting parts which are scattered and formed in the installation cavity, and two ends of each first supporting part are respectively connected to the outer wall of the inner cylinder body and the inner wall of the outer cylinder body.
2. The rotor support of claim 1, wherein:
the first supporting part is provided with a first through hole.
3. The rotor support of claim 1, wherein:
and a second supporting part is further formed between the adjacent first supporting parts and comprises a middle part fixed on the outer wall of the inner cylinder and a reinforcing part positioned at two ends of the middle part and extending to the surface of the first supporting part.
4. The rotor support of claim 3, wherein:
the reinforcing part extends outwards along the radius direction of the outer cylinder body.
5. The rotor support of claim 1, wherein:
a first positioning part is formed on the inner wall of the inner cylinder body, and the first positioning part is a cutting groove with an opening facing the center of the inner cylinder body.
6. The rotor support of claim 5, wherein:
a plurality of second through holes are formed in the outer wall of the outer cylinder in a dispersed mode.
7. A rotor assembly comprising a shaft and at least one rotor support according to any one of claims 5 or 6, said rotor support being journalled on said shaft.
8. The rotor assembly of claim 7, wherein:
the inner diameter of the inner cylinder body is matched with the outer diameter of the rotating shaft, a second positioning portion is formed on the surface of the rotating shaft, and the second positioning portion is a cutting groove with an opening facing the outer side of the rotating shaft.
9. The rotor assembly of claim 7, wherein:
the rotor support further comprises two limiting rings, wherein the limiting rings are respectively located on two sides of the rotating shaft and used for limiting axial displacement of at least one rotor support.
10. The rotor assembly of claim 8, wherein:
the rotor support is connected to the rotating shaft through the first positioning portion and the second positioning portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121807137.XU CN215956146U (en) | 2021-08-04 | 2021-08-04 | Rotor support and rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121807137.XU CN215956146U (en) | 2021-08-04 | 2021-08-04 | Rotor support and rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215956146U true CN215956146U (en) | 2022-03-04 |
Family
ID=80435325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121807137.XU Active CN215956146U (en) | 2021-08-04 | 2021-08-04 | Rotor support and rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215956146U (en) |
-
2021
- 2021-08-04 CN CN202121807137.XU patent/CN215956146U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109931224A (en) | Outer rotor type direct drive wind power generating set | |
| CN211266724U (en) | Permanent magnet synchronous motor end cover | |
| CN215956146U (en) | Rotor support and rotor assembly | |
| CN211239633U (en) | Wind driven generator rotor supporting tool | |
| CN205846898U (en) | Generator amature and electromotor | |
| CN212500011U (en) | Vehicle front seat crossbeam installation assembly and vehicle that has it | |
| CN210769510U (en) | Automobile generator fan blade with large air volume | |
| CN210927283U (en) | Flexible integrated end cover type sliding bearing | |
| CN216699644U (en) | In-wheel motor | |
| CN214626574U (en) | Fixed shaft of generator and wind driven generator comprising same | |
| CN107218220B (en) | Compressor | |
| CN216734524U (en) | Spare wheel mounting structure and automobile | |
| CN217415482U (en) | Fatigue fracture coupling mechanism is prevented to oxidation driving horizontal walking drive shaft | |
| CN211869069U (en) | Composite hub and hub electric locomotive wheel | |
| CN220956017U (en) | Oil inlet joint structure of steering oil pump | |
| CN212268425U (en) | Connecting structure of tank container end frame and tank body | |
| CN218347506U (en) | Tower section, tower section and wind generating set | |
| CN218152123U (en) | Automobile shock absorber bush assembly | |
| CN212404722U (en) | Three bearing structure vibration wheels and road roller | |
| CN214396389U (en) | Suspension structure | |
| CN218953498U (en) | Bearing pedestal assembly, bearing assembly and wind generating set | |
| CN220700870U (en) | Suspension structure and new energy automobile | |
| CN221003557U (en) | Universal joint and photovoltaic tracking system | |
| CN218586957U (en) | Stator core of electric vehicle | |
| CN218940792U (en) | Motor and power assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |