CN212210629U - Salient pole synchronous motor rotor structure with single screw fixed magnetic pole - Google Patents
Salient pole synchronous motor rotor structure with single screw fixed magnetic pole Download PDFInfo
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- CN212210629U CN212210629U CN202021248413.9U CN202021248413U CN212210629U CN 212210629 U CN212210629 U CN 212210629U CN 202021248413 U CN202021248413 U CN 202021248413U CN 212210629 U CN212210629 U CN 212210629U
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Abstract
The utility model discloses a salient pole synchronous motor rotor structure of single screw rod fixed magnetic pole, including magnetic pole and spider wheel hub, the right side fixedly connected with spider radials of spider wheel hub bottom, the center of spider wheel hub bottom is provided with fixed establishment, fixed establishment includes the magnetic pole screw rod, the utility model relates to a motor rotor technical field. The rotor structure of the salient pole synchronous motor with the single-screw fixed magnetic pole comprises the magnetic pole screw through the fixing mechanism, the solution of the single-screw fixed magnetic pole is simple and feasible, the rotor structure is different from the rotor structure of the double-screw fixed magnetic pole of the common salient pole synchronous motor, one screw is removed, the magnetic pole installation space is saved, meanwhile, the positioning stud is additionally arranged on one side of the magnetic pole screw, the problem that the magnetic pole cannot be fixed due to the small size of the magnetic pole can be solved, the axial size of a low-power motor iron core can be further shortened, and the utilization rate of effective materials of the motor is.
Description
Technical Field
The utility model relates to a motor rotor technical field specifically is a salient pole synchronous motor rotor structure of single screw rod fixed magnetic pole.
Background
The rotor of the motor is a part rotating in the motor, the rotor of the motor is also a rotating part in the motor, the motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, the rotor of the motor is divided into a rotor of a motor and a rotor of a generator, the rotor of the motor is divided into an inner rotor rotating mode and an outer rotor rotating mode, the inner rotor rotating mode is that a core body in the middle of the motor is a rotating body, torque is output (referring to the motor) or energy is input (referring to the generator), the outer rotor rotating mode is that an outer body of the motor is used as the rotating body, and the different modes are convenient for application in various occasions.
In part production field, the salient pole synchronous motor of dragging equipment is required to have the characteristics of multi-pole low speed and low power, according to the motor theory, under the condition that the number of poles of the motor is multi-power, the effective material utilization rate of the motor is improved while the performance requirement of the motor is ensured, the most effective method is to shorten the axial size of a motor core, at present, the existing salient pole synchronous motor rotor magnetic pole in the motor industry generally adopts a double-screw fixed structure, and when the motor core does not have enough space positions in the axial direction for installing double screws, the iron core can not be further shortened, so that the effective material waste is caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a salient pole synchronous motor rotor structure of single screw rod fixed magnetic pole has solved current salient pole synchronous motor rotor magnetic pole and has generally adopted double screw fixed knot to construct, and when motor core axial did not have enough spatial position installation twin-screw, the iron core can't further shorten, causes the extravagant problem of active material.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a salient pole synchronous motor rotor structure of single screw fixed magnetic pole, includes magnetic pole and rotor support wheel hub, the right side fixedly connected with rotor support radials of rotor support wheel hub bottom, the center of rotor support wheel hub bottom is provided with fixed establishment.
Fixing mechanism includes the magnetic pole screw rod, the center of spider hub bottom and the screw thread end threaded connection of magnetic pole screw rod, the screw thread end of magnetic pole screw rod runs through spider hub and magnetic pole in proper order and extends to the inside of magnetic pole, the bottom on magnetic pole screw rod surface and the bottom swing joint that is located spider hub have check washer, the bottom on magnetic pole screw rod surface and the bottom threaded connection that is located check washer have first nut, the bottom on magnetic pole screw rod surface and the bottom threaded connection that is located first nut have the second nut, the right side at spider hub top and the right side threaded connection that is located the magnetic pole screw rod have the location double-screw bolt, the top of location double-screw bolt runs through the magnetic pole and extends to the inside of magnetic pole.
Preferably, the inside fixedly connected with first annular strengthening rib of rotor support radials, the outside fixedly connected with second annular strengthening rib that just is located first annular strengthening rib in the inside of rotor support radials.
Preferably, a support rod is fixedly connected between the outer surface of the first annular reinforcing rib and the inner surface of the second annular reinforcing rib.
Preferably, the rotor support web comprises a base plate, the top of the base plate is bonded with a high temperature resistant layer through an adhesive, and the top of the high temperature resistant layer is bonded with an insulating layer through the adhesive.
Preferably, the right side of the rotor support hub is fixedly connected with a support plate.
Preferably, the bottom of the spoke plate of the rotor support is fixedly connected with a motor shell.
Advantageous effects
The utility model provides a salient pole synchronous motor rotor structure of single screw fixed magnetic pole. Compared with the prior art, the method has the following beneficial effects:
(1) the salient pole synchronous motor rotor structure of the single-screw fixed magnetic pole comprises a magnetic pole screw rod through a fixing mechanism, the center of the bottom of a rotor support hub is in threaded connection with the threaded end of the magnetic pole screw rod, the threaded end of the magnetic pole screw rod sequentially penetrates through the rotor support hub and the magnetic pole and extends to the inside of the magnetic pole, the bottom of the surface of the magnetic pole screw rod and the bottom of the rotor support hub are movably connected with a check washer, the bottom of the surface of the magnetic pole screw rod and the bottom of the check washer are in threaded connection with a first nut, the bottom of the surface of the magnetic pole screw rod and the bottom of the first nut are in threaded connection with a second nut, the right side of the top of the rotor support hub and the right side of the magnetic pole screw rod are in threaded connection with a positioning stud, the top end of the positioning stud penetrates, the rotor structure is different from a double-screw fixed magnetic pole rotor structure of a common salient pole synchronous motor, a screw is removed, the magnetic pole installation space is saved, meanwhile, a positioning stud is additionally arranged on one side of the magnetic pole screw, the problem that the magnetic pole cannot be fixed due to the fact that the size of the magnetic pole is small can be solved, the axial size of a low-power motor iron core can be further shortened, and the effective material utilization rate of the motor is improved.
(2) This salient pole synchronous motor rotor structure of single screw fixed magnetic pole, the first annular strengthening rib of inside fixedly connected with through the spider radials, the inside of spider radials and the peripheral fixedly connected with second annular strengthening rib that is located first annular strengthening rib, fixedly connected with bracing piece between the surface of first annular strengthening rib and the internal surface of second annular strengthening rib, the spider radials includes the base plate, the top of base plate has high temperature resistant layer through the adhesive bonding, and the top on high temperature resistant layer has the insulating layer through the adhesive bonding, the strengthening rib is add in the inside of spider radials, the intensity of spider radials and the stability of operation have been improved, take place deformation and cracked condition when preventing to operate, the setting on insulating layer and high temperature resistant layer simultaneously, the life of spider radials has also been improved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of the present invention;
FIG. 3 is a cross-sectional view of a rotor spider web structure of the present invention;
fig. 4 is an exploded view of the spoke plate structure of the rotor frame of the present invention.
In the figure: the motor comprises a magnetic pole 1, a rotor bracket hub 2, a rotor bracket spoke plate 3, a base plate 31, a high-temperature resistant layer 32, an insulating layer 33, a fixing mechanism 4, a magnetic pole screw rod 41, a locking gasket 42, a first nut 43, a second nut 44, a positioning stud 45, a first annular reinforcing rib 5, a second annular reinforcing rib 6, a supporting rod 7, a supporting plate 8 and a motor shell 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a salient pole synchronous motor rotor structure of single screw fixed magnetic pole comprises a magnetic pole 1 and a rotor bracket hub 2, a support plate 8 is fixedly connected to the right side of the rotor bracket hub 2, the support plate 8 is arranged to improve the stability between the rotor bracket hubs 2, a rotor bracket web 3 is fixedly connected to the right side of the bottom of the rotor bracket hub 2, a motor shell 9 is fixedly connected to the bottom of the rotor bracket web 3, the rotor bracket web 3 comprises a substrate 31, a high temperature resistant layer 32 is bonded to the top of the substrate 31 through an adhesive, the high temperature resistant layer 32 is made of diamond material and has good heat resistance, an insulating layer 33 is bonded to the top of the high temperature resistant layer 32 through an adhesive, the insulating layer 33 is made of asbestos material and has the characteristics of excellent electrical property, mechanical property and heat resistance, electric arc resistance, corona prevention and the like, a first annular reinforcing rib 5 is fixedly connected to the inside, a support rod 7 is fixedly connected between the outer surface of the first annular reinforcing rib 5 and the inner surface of the second annular reinforcing rib 6, the support rod 7 is of a steel structure, a plurality of support rods 7 are arranged and uniformly distributed between the first annular reinforcing rib 5 and the second annular reinforcing rib 7, the inner part of the rotor support radial plate 3 and the periphery of the first annular reinforcing rib 5 are fixedly connected with the second annular reinforcing rib 6, the center of the bottom of the rotor support hub 2 is provided with a fixing mechanism 4, the fixing mechanism 4 comprises a magnetic pole screw 41, the magnetic pole screw 41 is positioned at the central position of the magnetic pole 1, the rotor support radial plate 3 is designed at the eccentric position of the rotor support hub 2, the center of the bottom of the rotor support hub 2 is in threaded connection with the threaded end of the magnetic pole screw 41, the threaded end of the magnetic pole screw 41 sequentially penetrates through the rotor support hub 2 and the magnetic pole 1 and extends to the inner part of the magnetic pole 1, the arrangement of the anti-loosening gasket 42 prevents the first nut 43 from loosening, the bottom of the surface of the magnetic pole screw 41 and the bottom of the anti-loosening gasket 42 are in threaded connection with the first nut 43, the bottom of the surface of the magnetic pole screw 41 and the bottom of the first nut 43 are in threaded connection with the second nut 44, the arrangement of double nuts, so that the axial force generated between the nuts after being screwed up increases the friction force between the nuts and the bolts, the nut is prevented from loosening automatically, the mounting stability is improved, the positioning stud 45 is connected with the right side of the top of the rotor bracket hub 2 and the right side of the magnetic pole screw rod 41 in a threaded manner, the positioning stud 45 is arranged, the problem that the magnetic pole cannot be fixed due to the small size of the magnetic pole can be solved, the axial size of the iron core of the low-power motor can be further shortened, the utilization rate of effective materials of the motor is improved, and the top end of the positioning stud 45 penetrates through the magnetic pole 1 and extends to the inside of the magnetic pole 1.
During the use, drill at rotor support wheel hub 2 axial center circumference, then pass rotor support wheel hub 2 with magnetic pole screw rod 41 through this hole, enter into the inside of magnetic pole 1, and fix magnetic pole screw rod 41 on rotor support wheel hub 2 with two nuts, locking gasket 42 prevents that first nut 43 from becoming flexible, set up positioning stud 45 in one side of magnetic pole screw rod 41, positioning stud 45 imbeds in the fixed orifices that rotor support wheel hub 2 bored in advance when installing magnetic pole 1, reach the fixed purpose with magnetic pole 1, first annular strengthening rib 5 in the rotor support radials 3, second annular strengthening rib 6 and bracing piece 7, the intensity of rotor support radials 3 has been strengthened, the setting of high temperature resistant layer 32, when motor rotor moves, rotor support radials 3 is more heat-resisting, the setting of insulating layer 33 makes rotor support radials 3 insulating nonconducting.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a salient pole synchronous motor rotor structure of single screw fixed magnetic pole, includes magnetic pole (1) and rotor support wheel hub (2), its characterized in that: a rotor bracket spoke plate (3) is fixedly connected to the right side of the bottom of the rotor bracket hub (2), and a fixing mechanism (4) is arranged in the center of the bottom of the rotor bracket hub (2);
the fixing mechanism (4) comprises a magnetic pole screw rod (41), the center of the bottom of the rotor support hub (2) is in threaded connection with the threaded end of the magnetic pole screw rod (41), the threaded end of the magnetic pole screw rod (41) sequentially penetrates through the rotor support hub (2) and the magnetic pole (1) and extends to the inside of the magnetic pole (1), the bottom of the surface of the magnetic pole screw rod (41) is movably connected with a check washer (42) and is positioned at the bottom of the rotor support hub (2), the bottom of the surface of the magnetic pole screw rod (41) is in threaded connection with a first nut (43) and is positioned at the bottom of the first nut (43), the bottom of the surface of the magnetic pole screw rod (41) is in threaded connection with a second nut (44), the right side of the top of the rotor support hub (2) is in threaded connection with a positioning stud (45) and is positioned at the right side of the magnetic, the top end of the positioning stud (45) penetrates through the magnetic pole (1) and extends to the inside of the magnetic pole (1).
2. The single screw fixed pole salient pole synchronous motor rotor structure of claim 1, wherein: the rotor support wheel disk comprises a rotor support wheel disk (3), wherein a first annular reinforcing rib (5) is fixedly connected to the inside of the rotor support wheel disk (3), and a second annular reinforcing rib (6) is fixedly connected to the periphery of the first annular reinforcing rib (5) in the inside of the rotor support wheel disk (3).
3. The single screw fixed pole salient pole synchronous motor rotor structure of claim 2, wherein: and a support rod (7) is fixedly connected between the outer surface of the first annular reinforcing rib (5) and the inner surface of the second annular reinforcing rib (6).
4. The single screw fixed pole salient pole synchronous motor rotor structure of claim 1, wherein: the rotor support spoke plate (3) comprises a base plate (31), wherein a high-temperature-resistant layer (32) is bonded to the top of the base plate (31) through an adhesive, and an insulating layer (33) is bonded to the top of the high-temperature-resistant layer (32) through the adhesive.
5. The single screw fixed pole salient pole synchronous motor rotor structure of claim 1, wherein: the right side of the rotor bracket hub (2) is fixedly connected with a supporting plate (8).
6. The single screw fixed pole salient pole synchronous motor rotor structure of claim 1, wherein: the bottom of the rotor support spoke plate (3) is fixedly connected with a motor shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248413.9U CN212210629U (en) | 2020-06-30 | 2020-06-30 | Salient pole synchronous motor rotor structure with single screw fixed magnetic pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248413.9U CN212210629U (en) | 2020-06-30 | 2020-06-30 | Salient pole synchronous motor rotor structure with single screw fixed magnetic pole |
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| CN212210629U true CN212210629U (en) | 2020-12-22 |
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| CN202021248413.9U Active CN212210629U (en) | 2020-06-30 | 2020-06-30 | Salient pole synchronous motor rotor structure with single screw fixed magnetic pole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220153121A1 (en) * | 2019-03-20 | 2022-05-19 | Daimler Ag | Hybrid drive train |
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2020
- 2020-06-30 CN CN202021248413.9U patent/CN212210629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220153121A1 (en) * | 2019-03-20 | 2022-05-19 | Daimler Ag | Hybrid drive train |
| US11628717B2 (en) * | 2019-03-20 | 2023-04-18 | Mercedes-Benz Group AG | Hybrid drive train |
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