CN111082562A - Synchronous machine syllogic cavity solid magnetic pole rotor structure - Google Patents
Synchronous machine syllogic cavity solid magnetic pole rotor structure Download PDFInfo
- Publication number
- CN111082562A CN111082562A CN201911366662.XA CN201911366662A CN111082562A CN 111082562 A CN111082562 A CN 111082562A CN 201911366662 A CN201911366662 A CN 201911366662A CN 111082562 A CN111082562 A CN 111082562A
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- solid magnetic
- pole body
- hollow solid
- shaft flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a three-section hollow solid magnetic pole rotor structure of a synchronous motor, wherein a hollow solid magnetic pole body is of a hollow cylindrical structure, a plurality of solid magnetic pole teeth are uniformly distributed on the outer circumferential wall, and a plurality of connecting screw holes are uniformly formed in the front end surface and the rear end surface of the hollow solid magnetic pole body; one end of the main shaft at the transmission side is provided with a main shaft flange, the size of the outer circle of the main shaft flange is matched with the front end face of the hollow solid magnetic pole body, and the outer circle of the main shaft flange is uniformly provided with a plurality of connecting screw holes and is fixedly connected with the hollow solid magnetic pole body through bolt pins; one end of the non-transmission side tail shaft is provided with a tail shaft flange, the excircle size of the tail shaft flange is matched with the rear end face of the hollow solid magnetic pole body, and the excircle of the tail shaft flange is uniformly provided with a plurality of connecting screw holes and is fixedly connected with the hollow solid magnetic pole body through bolt pins. The structural strength of the invention can meet the operating condition that the motor operates under large torque and high rotating speed.
Description
Technical Field
The invention relates to a synchronous motor three-section type hollow solid magnetic pole rotor structure used in the field of motor manufacturing.
Background
At present, the rotor structure of the traditional motor product can only respectively deal with the application scenes of low-speed large torque or high-speed small torque. Taking the application scene of low rotating speed and large torque as an example, the rotating shaft of the rotor is composed of three sections, the middle section is formed by rolling a high-quality thick steel plate (Q235-A) into a cylinder or forming a magnetic yoke of the rotor by using a cast steel cylinder, the other two ends of the connecting shaft are SF590A steel forgings, the three forging shaft is formed by combining high-strength super bolt pins, and the magnetic pole iron core is formed by stamping 1.5 high-quality steel plates Q235-A; each magnetic pole is fixed on the magnetic yoke through a plurality of high-strength bolts. This structure is only suitable for products with high torque and low rotation speed, and the structural strength of the iron core formed by the pressing sheet may not be able to withstand the high rotation speed. For the application scene of high rotating speed and low torque, the rotating shaft, the magnetic yoke and the magnetic pole body are of an integrally forged conjoined structure, and the function of high torque is difficult to bear.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a three-section hollow solid magnetic pole rotor structure of a synchronous motor, which has the structural strength capable of meeting the operating conditions of large torque and high rotating speed of the motor.
One technical scheme for achieving the above purpose is as follows: a three-section hollow solid magnetic pole rotor structure of a synchronous motor comprises a transmission side main shaft, a hollow solid magnetic pole body and a non-transmission side tail shaft;
the hollow solid magnetic pole body is of a hollow cylindrical structure, a plurality of solid magnetic pole teeth are uniformly distributed on the outer circumferential wall, and a plurality of connecting screw holes are uniformly formed in the front end face and the rear end face of the hollow solid magnetic pole body;
a main shaft flange is arranged at one end of the main shaft at the transmission side, the size of the outer circle of the main shaft flange is matched with the front end face of the hollow solid magnetic pole body, and a plurality of connecting screw holes are uniformly formed in the outer circle of the main shaft flange and are fixedly connected with the hollow solid magnetic pole body through bolt pins;
one end of the non-transmission side tail shaft is provided with a tail shaft flange, the excircle size of the tail shaft flange is matched with the rear end face of the hollow solid magnetic pole body, a plurality of connection screw holes are uniformly formed in the excircle of the tail shaft flange, and the tail shaft flange is fixedly connected with the hollow solid magnetic pole body through bolt pins.
Further, the pole body of the hollow solid magnetic pole is an independent forged piece.
The invention relates to a three-section hollow solid magnetic pole rotor structure of a synchronous motor, which integrates a three-section main shaft structure of a large-torque motor and a magnetic pole structure of a high-rotating-speed motor, and is formed by combining three parts, namely a flange type main shaft at a transmission side, a hollow solid magnetic pole body and a tail shaft at a non-transmission side, through a high-strength super bolt pin, wherein the pole body and a magnetic yoke are designed into a whole, so that the motor rotor has double capabilities of driving large-load torque load and high-rotating-speed operation.
Drawings
Fig. 1 is a schematic structural diagram of a three-segment hollow solid magnetic pole rotor structure of a synchronous motor according to the present invention.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
referring to fig. 1, a three-section hollow solid magnetic pole rotor structure of a synchronous motor according to the present invention includes a transmission-side main shaft 1, a hollow solid magnetic pole body 2, and a non-transmission-side tail shaft 3.
The hollow solid magnetic pole body 2 is of a hollow cylindrical structure, a plurality of solid magnetic pole teeth 21 are uniformly distributed on the outer circumferential wall, and a plurality of connecting screw holes are uniformly formed in the front end face and the rear end face of the hollow solid magnetic pole body 2. When the motor is assembled, the pole teeth are wound with coils.
One end of the transmission side main shaft 1 is provided with a main shaft flange 11, the excircle size of the main shaft flange 11 is matched with the front end face of the hollow solid magnetic pole body 2, and the excircle of the main shaft flange is uniformly provided with a plurality of connecting screw holes and is connected and fixed with the hollow solid magnetic pole body 2 through bolt pins.
One end of the non-transmission side tail shaft 3 is provided with a tail shaft flange, the excircle size of the tail shaft flange is matched with the rear end face of the hollow solid magnetic pole body 2, and the excircle of the tail shaft flange is uniformly provided with a plurality of connecting screw holes and is fixedly connected with the hollow solid magnetic pole body through bolt pins.
In order to enhance the structural strength in a high-speed rotation state, the hollow solid magnetic pole body 2 does not adopt a punching sheet laminating mode, and an independent forging piece is adopted instead.
The invention combines a hollow forging magnetic yoke suitable for large torque and a forging solid magnetic pole suitable for high rotating speed into a whole to form a novel three-section type hollow solid magnetic pole rotor structure, the three-section type structure is connected with each other through a high-strength bolt pin to form a whole, on the basis, a magnetic pole coil is sleeved into each pole tooth according to the process rule, and a pole shoe plate is connected with the pole teeth by using high-strength magnetic pole bolts to form a complete motor rotor. The invention can meet the special operation requirements of working conditions of large torque and high rotating speed, and is suitable for the super-high power salient pole synchronous motor with 70MW, 95-946 r/min.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a synchronous machine syllogic cavity solid magnetic pole rotor structure, includes transmission side main shaft, cavity solid magnetic pole stage body and non-transmission side tail-shaft, its characterized in that:
the hollow solid magnetic pole body is of a hollow cylindrical structure, a plurality of solid magnetic pole teeth are uniformly distributed on the outer circumferential wall, and a plurality of connecting screw holes are uniformly formed in the front end face and the rear end face of the hollow solid magnetic pole body;
a main shaft flange is arranged at one end of the main shaft at the transmission side, the size of the outer circle of the main shaft flange is matched with the front end face of the hollow solid magnetic pole body, and a plurality of connecting screw holes are uniformly formed in the outer circle of the main shaft flange and are fixedly connected with the hollow solid magnetic pole body through bolt pins;
one end of the non-transmission side tail shaft is provided with a tail shaft flange, the excircle size of the tail shaft flange is matched with the rear end face of the hollow solid magnetic pole body, a plurality of connection screw holes are uniformly formed in the excircle of the tail shaft flange, and the tail shaft flange is fixedly connected with the hollow solid magnetic pole body through bolt pins.
2. The synchronous machine three-section hollow solid magnetic pole rotor structure of claim 1, wherein the hollow solid magnetic pole body is an independent forging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366662.XA CN111082562A (en) | 2019-12-26 | 2019-12-26 | Synchronous machine syllogic cavity solid magnetic pole rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366662.XA CN111082562A (en) | 2019-12-26 | 2019-12-26 | Synchronous machine syllogic cavity solid magnetic pole rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111082562A true CN111082562A (en) | 2020-04-28 |
Family
ID=70318141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911366662.XA Withdrawn CN111082562A (en) | 2019-12-26 | 2019-12-26 | Synchronous machine syllogic cavity solid magnetic pole rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111082562A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436623A (en) * | 2020-11-19 | 2021-03-02 | 上海电气集团上海电机厂有限公司 | Synchronous machine syllogic cavity solid magnetic pole rotor structure |
-
2019
- 2019-12-26 CN CN201911366662.XA patent/CN111082562A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436623A (en) * | 2020-11-19 | 2021-03-02 | 上海电气集团上海电机厂有限公司 | Synchronous machine syllogic cavity solid magnetic pole rotor structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109617274B (en) | Permanent magnet synchronous motor rotor | |
| CN111082562A (en) | Synchronous machine syllogic cavity solid magnetic pole rotor structure | |
| CN205986369U (en) | Anti magnetic leakage low -loss driving motor structure | |
| CN203301265U (en) | Permanent magnet synchronous servo motor rotor structure | |
| CN112436623A (en) | Synchronous machine syllogic cavity solid magnetic pole rotor structure | |
| CN103586383B (en) | A kind of transmission system being applicable to large-tonnage servo direct driving formula hotdie forging press | |
| CN104670811A (en) | External hanging type direct-drive permanent magnet synchronous motor of belt conveyer | |
| CN103769513B (en) | The driving of braking energy-saving assistance type enclosed multiple spot servo-pressing machine and drive system | |
| CN203119640U (en) | Rotor three section shaft coupling structure | |
| CN209904032U (en) | High-efficient compound punching press drive structure | |
| CN214900402U (en) | Axial compact three-section shaft rotor structure for large synchronous motor | |
| CN210792228U (en) | Multi-motor synchronous driving mechanism of servo press | |
| CN210167899U (en) | Rotor hub structure of permanent magnet direct-drive motor | |
| CN203230578U (en) | Novel cycloid rotor for pump | |
| CN207801600U (en) | A kind of high speed rotor of motor iron core conducting bar fixed structure | |
| CN205647077U (en) | Sub - electric motor rotor of permanent magnetism anecdotes | |
| CN106160312B (en) | A kind of Marine Propulsion Motor | |
| CN203225602U (en) | Mosaic-type stator core | |
| CN102699253B (en) | Mould for forging shaft coupling | |
| CN203312978U (en) | Soft start side-magnetic motor rotor | |
| CN201869007U (en) | Reducing motor joint | |
| CN204046339U (en) | High strength servomotor | |
| CN220060435U (en) | Spline A type connecting device for transmission shaft of servo press | |
| CN212616190U (en) | High-strength powder metallurgy belt pulley | |
| CN206283376U (en) | A kind of electric vehicle permanent magnet motor open-core type motor shaft structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200428 |