CN214755867U - Frequency conversion speed regulation three-phase asynchronous traction motor structure - Google Patents
Frequency conversion speed regulation three-phase asynchronous traction motor structure Download PDFInfo
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- CN214755867U CN214755867U CN202121241736.XU CN202121241736U CN214755867U CN 214755867 U CN214755867 U CN 214755867U CN 202121241736 U CN202121241736 U CN 202121241736U CN 214755867 U CN214755867 U CN 214755867U
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Abstract
The utility model discloses an asynchronous traction motor structure of variable frequency speed governing three-phase, which comprises an outer shell, the fixed surface of shell is connected with the fin, the air current groove has been seted up to the inside of fin, the surface coating of fin has the protective paint, the inner wall of air current groove is provided with the plating layer, the inside of shell is provided with the output pole, the last fixed surface of shell is connected with the protective housing, the one end fixedly connected with heat dissipation fan of output pole, the guide hole has been seted up on the surface of protective housing, the last fixed surface of protective housing is connected with the heating panel, the fixed surface of protective housing is connected with retainer plate one. The utility model discloses, arouse the air through the heat dissipation fan and flow, from baffle department and the inside exchange heat of shell, the fin increases the area of contact of motor surface and air, and the air flow can drive the air current groove air through the guide hole, dispels the heat to it from the fin is inside, promotes the radiating effect, extends the life of motor.
Description
Technical Field
The utility model relates to a traction motor technical field especially relates to Variable Frequency Speed Governing (VFSG) three-phase asynchronous traction motor structure.
Background
The traction motor is used on a rail electric locomotive, an industrial and mining electric locomotive, an electric transmission internal combustion locomotive and various electric vehicles (such as a storage battery vehicle, an urban electric vehicle and an underground railway electric vehicle). The traction motor includes a traction motor, a traction generator, an auxiliary motor, and the like.
When the applicant applies the utility model, through search, the inventor finds that a Chinese patent discloses a variable-frequency speed-regulating three-phase asynchronous traction motor, the application number of which is 201720289890.1, the patent covers the encoder through a protective cover, and the encoder is ensured not to be polluted by environmental impurities in the use process;
however, heat dissipation is very important when the motor is used, and the service life of the motor is affected if the heat dissipation is not good enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a variable frequency speed regulation three-phase asynchronous traction motor structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: frequency conversion speed governing three-phase asynchronous traction motor structure, which comprises an outer shell, the fixed surface of shell is connected with the fin, the air current groove has been seted up to the inside of fin, the surface coating of fin has the protective paint, the inner wall of air current groove is provided with the plating layer, the inside of shell is provided with the output pole, the last fixed surface of shell is connected with the protective housing, the one end fixedly connected with heat dissipation fan of output pole, the guide hole has been seted up on the surface of protective housing, the last fixed surface of protective housing is connected with the heating panel, the fixed surface of protective housing is connected with retainer plate one, the fixed surface of shell is connected with retainer plate two, the fixed surface of retainer plate two is connected with the mounting panel, the fixed surface of retainer plate two is connected with the splice bar, the fixed surface of splice bar is connected with the connecting rod.
As a further description of the above technical solution:
one end of the airflow groove penetrates through the fins, and the fins are distributed in a circular array.
As a further description of the above technical solution:
the positions of the guide holes are matched with the fins, and the other ends of the airflow grooves are communicated with the guide holes.
As a further description of the above technical solution:
through holes are formed in the surface of the heat dissipation plate and are evenly distributed.
As a further description of the above technical solution:
the connecting rod and the connecting rib are symmetrically distributed, one end of the connecting rod is fixedly connected with the mounting plate, and one end of the connecting rib is fixedly connected with the fixing ring.
As a further description of the above technical solution:
the surface of the mounting plate is provided with mounting holes, and the positions of the mounting holes are distributed at four corners of the mounting plate.
As a further description of the above technical solution:
the inner wall fixedly connected with stator of shell, the surface of output lever is provided with the rotor.
As a further description of the above technical solution:
the inner wall of the shell is fixedly connected with a baffle, and the surface of the output rod is rotatably connected with the baffle through a bearing.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this asynchronous traction motor structure of variable frequency speed governing three-phase arouses the air flow through the heat dissipation fan, from baffle department and the inside exchange heat of shell, the fin increases the area of contact of motor surface and air, and the air flow can drive the air current groove air through the guide hole, dispels the heat to it from the fin is inside, promotes the radiating effect, extends the life of motor.
2. Compared with the prior art, this asynchronous traction motor structure of variable frequency speed governing three-phase erects the fin through retainer plate one, retainer plate two and mounting panel for the fin can fully contact with the air, through the cooperation fixed motor of mounting hole and bolt, the fastness of the installation of connecting rod and splice bar cooperation promotion motor.
3. Compared with the prior art, the variable-frequency speed regulation three-phase asynchronous traction motor structure has the advantages that the oxidation speed of the fins is reduced by the protective paint, and the electroplated layer protects the interior of the fins from being damaged, so that the service life of the fins is prolonged, the through holes facilitate air flow, the baffle seals the internal structure of the motor, and the internal structure is protected from being influenced by the outside.
Drawings
FIG. 1 is a perspective view of an integral structure of a variable frequency speed-regulating three-phase asynchronous traction motor structure provided by the utility model;
FIG. 2 is a schematic diagram of the internal structure of a fin of the variable frequency speed-regulating three-phase asynchronous traction motor structure provided by the utility model;
FIG. 3 is an enlarged view of the structure at the position A in FIG. 1 of the structure of the variable frequency speed-regulating three-phase asynchronous traction motor provided by the utility model;
fig. 4 is a schematic view of an internal partial structure of a variable frequency speed-regulating three-phase asynchronous traction motor structure provided by the utility model;
fig. 5 is the utility model provides a overlook structure section view of variable frequency speed control three-phase asynchronous traction motor structure.
Illustration of the drawings:
1. a housing; 2. a fin; 3. protective paint; 4. electroplating layer; 5. an air flow groove; 6. an output rod; 7. a protective shell; 8. a heat dissipation fan; 9. a guide hole; 10. a heat dissipation plate; 11. a through hole; 12. a first fixing ring; 13. a second fixing ring; 14. connecting ribs; 15. a connecting rod; 16. mounting a plate; 17. mounting holes; 18. a stator; 19. a rotor; 20. and a baffle plate.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the utility model provides a frequency control three-phase asynchronous traction motor structure: the heat dissipation device comprises a shell 1, fins 2 are fixedly connected to the surface of the shell 1, airflow grooves 5 are formed in the fins 2, protective paint 3 is coated on the surfaces of the fins 2, the oxidation speed of the fins 2 is reduced, the service life of the fins is prolonged, electroplated layers 4 are arranged on the inner walls of the airflow grooves 5, the interiors of the fins 2 are protected from being damaged, output rods 6 are arranged in the shell 1, external equipment is driven through the output rods 6, a protective shell 7 is fixedly connected to the upper surface of the shell 1, a heat dissipation fan 8 is fixedly connected to one end of each output rod 6, the heat dissipation fan 8 is synchronously driven to rotate when a motor operates, guide holes 9 are formed in the surface of the protective shell 7, and a heat dissipation plate 10 is fixedly connected to the upper surface of the protective shell 7;
the surface of the protective shell 7 is fixedly connected with a first fixing ring 12, the surface of the shell 1 is fixedly connected with a second fixing ring 13, the surface of the second fixing ring 13 is fixedly connected with a mounting plate 16, the connecting rods 15 and the connecting ribs 14 are symmetrically distributed, one end of each connecting rod 15 is fixedly connected with the mounting plate 16, one end of each connecting rib 14 is fixedly connected with the first fixing ring 12, the firmness degree of the motor is improved, the surface of the second fixing ring 13 is fixedly connected with the connecting ribs 14, and the surface of each connecting rib 14 is fixedly connected with the connecting rod 15;
one end of the airflow groove 5 penetrates through the fins 2 to facilitate air flow inside the airflow groove 5, the fins 2 are distributed in a circular array, the fins 2 increase the surface area of the motor and improve the heat dissipation effect, the guide holes 9 are matched with the fins 2, the other end of the airflow groove 5 is communicated with the guide holes 9, the air in the air flow groove 5 is driven to flow by the heat dissipation fan 8 and the guide hole 9, the surface of the heat dissipation plate 10 is provided with through holes 11 which facilitate the air flow, the through holes 11 are uniformly distributed, the surface of the mounting plate 16 is provided with mounting holes 17, the positions of the mounting holes 17 are distributed at four corners of the mounting plate 16, the motor is installed through the cooperation of bolt and mounting hole 17, the inner wall fixedly connected with stator 18 of shell 1, the surface of output lever 6 is provided with rotor 19, the cooperation of stator 18 and rotor 19 drives output lever 6 and rotates, the inner wall fixedly connected with baffle 20 of shell 1, the surface of output lever 6 passes through the bearing and is connected with baffle 20 rotation.
The working principle is as follows: the utility model discloses during the use, cooperation through stator 18 and rotor 19 drives output rod 6 and rotates, and output rod 6 drives heat dissipation fan 8 simultaneously and rotates, and heat dissipation fan 8 arouses the air flow, further follows baffle 20 and exchanges the heat with 1 inside of shell, thereby dispels the heat, and fin 2 increases the area of contact of motor surface and air, and the air flow can drive air current groove 5 air through guide hole 9, dispels the heat to it from 2 insides of fin, promotes the radiating effect, and is fixed through the cooperation of mounting hole 17 with the bolt the utility model discloses, through retainer plate one 12, retainer plate two 13 and mounting panel 16 erect fin 2, make fin 2 can fully with the air contact, connecting rod 15 and the fastness of the installation of connecting rib 14 cooperation promotion motor.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. Asynchronous traction motor structure of variable frequency speed governing three-phase, including shell (1), its characterized in that: the surface of the shell (1) is fixedly connected with fins (2), airflow grooves (5) are formed in the fins (2), protective paint (3) is coated on the surfaces of the fins (2), an electroplated layer (4) is arranged on the inner wall of each airflow groove (5), output rods (6) are arranged in the shell (1), a protective shell (7) is fixedly connected to the upper surface of the shell (1), a heat dissipation fan (8) is fixedly connected to one end of each output rod (6), guide holes (9) are formed in the surface of the protective shell (7), and a heat dissipation plate (10) is fixedly connected to the upper surface of the protective shell (7);
the fixed surface of protective housing (7) is connected with retainer plate one (12), the fixed surface of shell (1) is connected with retainer plate two (13), the fixed surface of retainer plate two (13) is connected with mounting panel (16), the fixed surface of retainer plate two (13) is connected with splice bar (14), the fixed surface of splice bar (14) is connected with connecting rod (15).
2. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 1, characterized in that: one end of the airflow groove (5) penetrates through the fins (2), and the fins (2) are distributed in a circular array.
3. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 2, characterized in that: the positions of the guide holes (9) are matched with the fins (2), and the other ends of the airflow grooves (5) are communicated with the guide holes (9).
4. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 1, characterized in that: through holes (11) are formed in the surface of the heat dissipation plate (10), and the through holes (11) are uniformly distributed.
5. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 1, characterized in that: connecting rod (15) and splice bar (14) are the symmetric distribution, the one end and mounting panel (16) fixed connection of connecting rod (15), the one end and retainer plate (12) fixed connection of splice bar (14).
6. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 1, characterized in that: mounting holes (17) are formed in the surface of the mounting plate (16), and the positions of the mounting holes (17) are distributed at four corners of the mounting plate (16).
7. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 1, characterized in that: the inner wall of the shell (1) is fixedly connected with a stator (18), and the surface of the output rod (6) is provided with a rotor (19).
8. The variable-frequency speed-regulating three-phase asynchronous traction motor structure according to claim 1, characterized in that: the inner wall of the shell (1) is fixedly connected with a baffle (20), and the surface of the output rod (6) is rotatably connected with the baffle (20) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241736.XU CN214755867U (en) | 2021-06-04 | 2021-06-04 | Frequency conversion speed regulation three-phase asynchronous traction motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241736.XU CN214755867U (en) | 2021-06-04 | 2021-06-04 | Frequency conversion speed regulation three-phase asynchronous traction motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755867U true CN214755867U (en) | 2021-11-16 |
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ID=78627955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121241736.XU Active CN214755867U (en) | 2021-06-04 | 2021-06-04 | Frequency conversion speed regulation three-phase asynchronous traction motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214755867U (en) |
-
2021
- 2021-06-04 CN CN202121241736.XU patent/CN214755867U/en active Active
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