CN217335218U - Air-cooled stator assembly and outer rotor electric roller thereof - Google Patents
Air-cooled stator assembly and outer rotor electric roller thereof Download PDFInfo
- Publication number
- CN217335218U CN217335218U CN202221183952.8U CN202221183952U CN217335218U CN 217335218 U CN217335218 U CN 217335218U CN 202221183952 U CN202221183952 U CN 202221183952U CN 217335218 U CN217335218 U CN 217335218U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- axial
- stator assembly
- axial rib
- outer rotor
- 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
Classifications
-
- 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
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to an air-cooled stator assembly, include: the end part of the main shaft is fixedly connected with the fixed seat; the axial rib plates are fixed on the circumferential outer wall of the main shaft at equal intervals; the inner wall of the stator sleeve is fixedly connected with the tops of the plurality of axial rib plates; the length direction of the axial rib plate is parallel to the axial direction of the main shaft; this device adopts axial gusset and main shaft lug connection, under the condition that does not influence this device bulk strength, gives up to use the axle sleeve as axial gusset and main shaft transition piece, has reduced the manufacturing cost of this device.
Description
Technical Field
The utility model relates to an electric drive field specifically is an air-cooled stator assembly and external rotor motorized pulley thereof.
Background
The outer rotor electric roller has the advantages of simple structure, reliable operation, less loss, high efficiency, direct drive control and the like, is particularly suitable for application occasions with low speed and large torque, and is widely applied to industries such as petroleum, mining, metallurgy and steel rolling.
In the patent nos.: CN111130266A, entitled air cooling structure of an outer rotor electric roller, the conventional outer rotor electric roller comprises a stator assembly, a stator sleeve in the stator assembly needs to be fixedly connected with a shaft sleeve on a main shaft through a rib plate, thereby ensuring the connection strength of the stator assembly;
the shaft sleeve is additionally arranged on the main shaft, so that a limit key is required to be additionally arranged to ensure that the main shaft and the shaft sleeve cannot rotate, the processing difficulty is increased, and the production cost is improved.
In conclusion, in the case of ensuring the connection strength of the stator assembly, the problem to be solved by researchers in the field of reducing the production cost of the stator assembly is urgently needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the production cost of the stator assembly is reduced under the condition of ensuring the connection strength of the stator assembly;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to an air-cooled stator assembly, include: the end part of the main shaft is fixedly connected with the fixed seat; the axial rib plates are fixed on the circumferential outer wall of the main shaft at equal intervals; the inner wall of the stator sleeve is fixedly connected with the tops of the plurality of axial rib plates; the length direction of the axial rib plate is parallel to the axial direction of the main shaft.
In the scheme, the design of a spindle sleeve is cancelled, the axial rib plate is directly connected with the spindle, the production cost is reduced, the processing technology is simple, and the spindle sleeve does not need to be fixed on the spindle through a limiting key; conventionally, the spindle needs high-strength materials and is in transition welding with the axial rib plate, so that a shaft sleeve is added to be used as a transition piece to be fixed on the spindle; however, in practical application, the belt tension and the bending stress outside the outer rotor electric roller depend on the elastic modulus of the belt, and are unrelated to the material strength of the shaft sleeve, so that the overall performance of the device cannot be changed by adding or removing the shaft sleeve, and the shaft sleeve originally added on the main shaft is removed based on reduction of production cost, and the axial rib plate is directly connected with the main shaft.
How to realize the lifting movement of the device, the top of the mounting seat is provided with a lifting lug;
the two ends of the main shaft are both fixed with mounting seats, lifting lugs are fixed at the tops of the two mounting seats, and the lifting movement of the device is realized through the lifting lugs.
How to realize the rotation of the outer rotor roller relative to the stator assembly, the utility model adopts a plurality of axial rib plates, both ends of which are fixedly provided with bearing seats; the two ends of the inner wall of the outer rotor roller are rotationally connected with the corresponding bearing seats through bearings;
the two bearing seats are respectively positioned at two ends of the plurality of axial rib plates, and the bearing seats are rotatably connected with the outer rotor roller through bearings.
How to reduce the integral radius of the outer rotor electric roller, the utility model adopts that the two ends of each rib plate are provided with step surfaces; the inner ring of the bearing is fixedly connected with the step surface;
and the end part of the bearing seat fixing rib plate is provided with a step surface, so that the radius edge of the whole bearing seat is correspondingly reduced, and the radius of the outer rotor roller is further reduced.
The utility model has the advantages that: the utility model relates to an air-cooled stator assembly, this device adopt axial gusset and main shaft lug connection, under the condition that does not influence this device bulk strength, give up and use the axle sleeve as axial gusset and main shaft transition piece, have reduced the manufacturing cost of this device.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of an axial web;
in the figure: 1-main shaft, 2-fixed seat, 3-axial rib plate, 4-stator sleeve, 5-lifting lug, 6-bearing seat, 7-outer rotor roller, 8-bearing and 9-step surface.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the utility model relates to an air-cooled stator assembly, include: the end part of the main shaft 1 is fixedly connected with the fixed seat 2; a plurality of axial rib plates 3 which are fixed on the circumferential outer wall of the main shaft 1 at equal intervals; the inner wall of the stator sleeve 4 is fixedly connected with the tops of the plurality of axial rib plates 3; the length direction of the axial rib plate 3 is parallel to the axial direction of the main shaft 1.
In the scheme, the design of a spindle sleeve is cancelled, the axial rib plate is directly connected with the spindle, the production cost is reduced, the processing technology is simple, and the spindle sleeve does not need to be fixed on the spindle through a limiting key; conventionally, the spindle needs high-strength materials and is in transition welding with the axial rib plate, so that a shaft sleeve is added to be used as a transition piece to be fixed on the spindle; however, in practical application, the belt tension and the bending stress outside the outer rotor electric roller depend on the elastic modulus of the belt, and are unrelated to the material strength of the shaft sleeve, so that the overall performance of the device cannot be changed by adding or removing the shaft sleeve, and the shaft sleeve originally added on the main shaft is removed based on reduction of production cost, and the axial rib plate is directly connected with the main shaft.
As shown in fig. 1, how to realize the lifting movement of the device, the utility model adopts the structure that a lifting lug 5 is arranged on the top of a mounting seat 2;
the two ends of the main shaft are both fixed with mounting seats, lifting lugs are fixed at the tops of the two mounting seats, and the lifting movement of the device is realized through the lifting lugs.
As shown in fig. 1, how to realize the rotation of the outer rotor roller relative to the stator assembly, the utility model adopts a plurality of axial rib plates 3, both ends of which are fixedly provided with bearing seats 6; the two ends of the inner wall of the outer rotor roller 7 are rotationally connected with the corresponding bearing seats 6 through bearings 8;
the two bearing seats are respectively positioned at two ends of the plurality of axial rib plates, and the bearing seats are rotatably connected with the outer rotor roller through bearings.
As shown in fig. 2, how to reduce the overall radius of the outer rotor electric roller, the present invention adopts that step surfaces 9 are provided at both ends of each axial rib plate 3; the inner ring of the bearing seat 6 is fixedly connected with the step surface 9;
and the end part of the bearing seat fixing rib plate is provided with a step surface, so that the radius edge of the whole bearing seat is correspondingly reduced, and the radius of the outer rotor roller is further reduced.
The utility model relates to an air-cooled stator assembly, this device adopt axial gusset and main shaft lug connection, under the condition that does not influence this device bulk strength, give up and use the axle sleeve as axial gusset and main shaft transition piece, have reduced the manufacturing cost of this device.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (4)
1. An air-cooled stator assembly, comprising:
the end part of the main shaft is fixedly connected with the fixed seat;
the axial rib plates are fixed on the circumferential outer wall of the main shaft at equal intervals;
the inner wall of the stator sleeve is fixedly connected with the tops of the plurality of axial rib plates;
the length direction of the axial rib plate is parallel to the axial direction of the main shaft.
2. The air-cooled stator assembly as claimed in claim 1, wherein a lifting lug is mounted on the top of the fixing base.
3. An external rotor motorized pulley comprising an air-cooled stator assembly of any of claims 1-2, wherein:
bearing seats are fixedly arranged at two ends of the axial rib plates;
and two ends of the inner wall of the outer rotor roller are rotationally connected with the corresponding bearing seats through bearings.
4. The outer rotor electric roller according to claim 3, wherein step surfaces are formed at two ends of each axial rib plate;
and the inner ring of the bearing seat is fixedly connected with the step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183952.8U CN217335218U (en) | 2022-05-17 | 2022-05-17 | Air-cooled stator assembly and outer rotor electric roller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183952.8U CN217335218U (en) | 2022-05-17 | 2022-05-17 | Air-cooled stator assembly and outer rotor electric roller thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335218U true CN217335218U (en) | 2022-08-30 |
Family
ID=82952739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221183952.8U Active CN217335218U (en) | 2022-05-17 | 2022-05-17 | Air-cooled stator assembly and outer rotor electric roller thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335218U (en) |
-
2022
- 2022-05-17 CN CN202221183952.8U patent/CN217335218U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102828973B (en) | Air compressor directly driven by permanent magnet synchronous magnetic suspension high-speed motor | |
| US20120025644A1 (en) | Electric motor having speed change function | |
| CN217335218U (en) | Air-cooled stator assembly and outer rotor electric roller thereof | |
| CN108775335B (en) | Magnetic suspension driving device of spiral shell sludge dewatering machine | |
| CN102588543B (en) | Supporting structure of ball screw assembly | |
| CN2825348Y (en) | Hub of electric vehicle | |
| WO2023179408A1 (en) | High-speed bearing | |
| CN213547287U (en) | Low-noise micromotor for automobile lifting glass | |
| CN201236891Y (en) | Horizontal shaft pivoting rotation mechanism of magnetic suspension device | |
| CN2430422Y (en) | Ball screw lift device | |
| CN215401171U (en) | Compact synchronous pulley mechanism capable of bearing alternating load and sheet stock conveying device | |
| CN110792757A (en) | Chain wheel set device on upper part of elevator | |
| CN202144179U (en) | Wheel set device | |
| CN216589832U (en) | Novel small-tooth-difference speed reducer for robot | |
| CN215419798U (en) | Permanent magnet semi-direct-drive motor flexible rotor | |
| CN215746395U (en) | Friction rubber driving wheel assembly for high-temperature lead slag ladle transportation electric vehicle | |
| CN211944931U (en) | UTS synchronous strip line | |
| CN219247620U (en) | Integrated structure of electric motor car motor | |
| CN101900183A (en) | Construction lifter reducer | |
| CN217282541U (en) | Motor rotating shaft, motor and nursing equipment | |
| CN214543873U (en) | Mechanism of external rotor motor driven external extending shaft machinery | |
| CN211990952U (en) | Main shaft C axle revolution mechanic and machine tool | |
| CN214404116U (en) | Cooling structure of sliding friction pair on fluorine-lined magnetic pump | |
| CN213484735U (en) | Disk type magnetic suspension direct-drive power device and stirrer using same | |
| CN215214593U (en) | Belt transmission radial unloading belt pulley of large vertical high-speed heating mixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |