Generator rotor fixing structure

Abstract

The utility model relates to the field of generators, in particular to a generator rotor fixing structure which comprises a rear plate, a plurality of magnets are installed on the side face of the rear plate, the magnets are annularly arranged and are mutually spaced, a partition plate is installed between every two adjacent magnets, and pressing blocks are arranged on the sides, close to the magnets, of the partition plates. Positioning grooves capable of being matched with the pressing blocks are formed in the side portions of the magnets, the pressing blocks abut against the positioning grooves in a pressing mode, the magnets are annularly arranged, the section of the partition plate is in a T shape, the magnets and the pressing blocks are fixed to the rear plate in a bonding mode, the rear plate is provided with multiple balance weight holes used for reducing the weight of the rear plate, and the balance weight holes are formed at intervals. According to the generator rotor fixing structure, the pressing blocks are tightly matched with the positioning grooves, so that the stability of the magnets in the rotating process is ensured, the magnets are prevented from loosening or falling off due to centrifugal force, the operation reliability and safety of a generator are improved, and a powerful guarantee is provided for efficient and stable operation of the generator.

Description

Technical Field

[0001] The utility model relates to the field of generators, and particularly to a fixing structure for a generator rotor. Background Art

[0002] Conventional generators generally include a housing, a stator, a rotor, a rotor shaft, an excitation coil, etc. The excitation coil is wound around the stator to form an armature winding. The rotor is installed on the rotor shaft, and the rotor rotates in the housing through bearings. During operation, the rotor rotates driven by the rotor shaft, causing the magnetic flux passing through the armature winding to change, thereby generating an induced electromotive force.

[0003] As the core component of the generator, the stability and reliability of the rotor directly affect the overall performance and operating efficiency of the generator. The fixing structure of the magnets on the traditional generator rotor mostly adopts a single fixing method. When dealing with complex working environments and high-intensity operations, there are often problems such as loose connections and unstable structures, which in turn affect the operating efficiency and lifespan of the generator and need to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fixing structure for a generator rotor that can achieve stable fixation and efficient operation of the rotor components for the above problems.

[0005] To achieve the above purpose, the utility model discloses a fixing structure for a generator rotor, which includes a rear plate. A plurality of magnets are installed on the side surface of the rear plate. Its structural feature is that: the plurality of magnets are arranged in a ring shape and are spaced from each other. A partition is installed between adjacent two magnets. A pressing block is provided on the side of the partition close to the magnet. A positioning groove that can match with the pressing block is provided on the side of the magnet, and the pressing block presses against the positioning groove.

[0006] The plurality of magnets are arranged in a ring shape, making the magnet distribution uniform, which is beneficial to generating a uniform magnetic field and improving the power generation efficiency. At the same time, the interval between the magnets and the installation of the partition enhance the structural stability and prevent the magnets from being damaged due to mutual collision or extrusion during high-speed rotation. Utilizing the tight fit between the pressing block and the positioning groove ensures the stability of the magnets during rotation, prevents the magnets from loosening or falling off due to centrifugal force, and improves the operating reliability and safety of the generator.

[0007] Regarding the specific structure of the partition, the cross-section of the partition is in a T shape. The T-shaped partition not only provides additional support area and enhances the structural strength, but also makes the connection between the partition and the rear plate and the magnet more stable, which is beneficial to resisting various forces generated during rotation and further improves the structural stability and durability.

[0008] The magnets and the clamp are fixed to the back plate by bonding. The bonding method simplifies the assembly process and improves assembly efficiency, while also enhancing the firmness of the connection. Compared with mechanical fixing methods, bonding is less susceptible to vibration and shock, which helps maintain the long-term stability of the structure.

[0009] The rear plate is circular, and multiple magnets are arranged around the outer edge of the rear plate. The circular rear plate design makes the entire rotor structure more compact and balanced, which helps to reduce vibration and noise during rotation. At the same time, the arrangement of magnets around the outer edge further enhances the uniformity of the magnetic field and improves power generation efficiency.

[0010] The rear plate is provided with a mounting hole for mounting the rotor shaft, which is located in the middle of the rear plate and passes through the rear plate. The design of the mounting hole enables the rotor shaft to be accurately and firmly mounted on the rear plate, ensuring that the rotor can rotate stably around the axis. At the same time, the design of the mounting hole being located in the middle is also conducive to maintaining the balance and stability of the structure.

[0011] The rear plate is equipped with multiple locating holes for connecting bearings, and multiple locating holes are arranged around the mounting holes. The design of the locating holes enables the bearings to be accurately and conveniently installed on the rear plate and form a stable support structure with the rotor shaft. Multiple locating holes are arranged around the mounting holes, which further enhances the support capacity and stability of the structure and helps to resist various forces and moments generated during rotation.

[0012] The rear plate is provided with a counterweight hole for reducing the weight of the rear plate. The design of the counterweight hole effectively reduces the weight of the rear plate, thereby reducing the rotational inertia of the entire rotor, making the generator faster and more flexible during starting, acceleration and braking. At the same time, reducing weight also helps to improve the operating efficiency of the generator and reduce energy consumption.

[0013] There are multiple counterweight holes, which are arranged at intervals from each other. The multiple counterweight holes are arranged at intervals from each other, so that the weight distribution of the rear plate is more uniform, which is conducive to maintaining the balance and stability of the structure.

[0014] The counterweight holes are arranged at equal intervals around the mounting holes. This arrangement is also beneficial to improving the rigidity and strength of the rear plate, making the entire rotor structure more solid and durable.

[0015] The rear plate is provided with positioning pins for fixing the partition. On the basis of bonding, adding positioning pins can not only increase the installation strength of the partition, but also further enhance the fixing strength of the rear plate to the magnet.

[0016] In summary, the beneficial effects of the present utility model are as follows: By using the tight fit between the pressing block and the positioning groove, the stability of the magnet during rotation is ensured, preventing the magnet from loosening or falling off due to centrifugal force, and improving the operating reliability and safety of the generator. On the basis of bonding, adding positioning pins can not only increase the installation strength of the partition plate, but also further enhance the fixing strength of the rear plate for the magnet. Through the above improvements, the problems existing in the traditional rotor fixing structure of the generator are effectively solved, the stability and reliability of the rotor are improved, and a strong guarantee is provided for the efficient and stable operation of the generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is Figure 1 a partial enlarged structural diagram of point A in

[0019] Figure 3 a schematic layout structure diagram of the magnet and the partition plate;

[0020] Figure 4 is a schematic side view structure diagram of the rotor;

[0021] Figure 5 is a schematic structural diagram of the positioning groove.

[0022] In the figure: rear plate 1, magnet 2, partition plate 3, pressing block 4, positioning groove 5, mounting hole 6, positioning hole 7, counterweight hole 8, positioning pin 9. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application.

[0025] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0026] In the description of this application, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] The following is a description of the preferred embodiments of the present utility model in conjunction with the accompanying drawings.

[0028] A generator rotor fixing structure includes a rear plate 1, and a plurality of magnets 2 are installed on the side surface of the rear plate 1. Its structural characteristics are: the plurality of magnets 2 are arranged in a ring shape, and the plurality of magnets 2 are spaced from each other. A partition plate 3 is installed between two adjacent magnets 2. A pressing block 4 is provided on one side of the partition plate 3 close to the magnet 2. A positioning groove 5 that can match the pressing block 4 is provided on the side of the magnet 2, and the pressing block 4 presses against the positioning groove 5. Refer to the attached Figure 1 , the plurality of magnets 2 are arranged in a ring shape, making the distribution of the magnets 2 uniform, which is beneficial to generating a uniform magnetic field and improving the power generation efficiency. At the same time, the interval between the magnets 2 and the installation of the partition plate 3 enhance the structural stability and prevent the magnets 2 from being damaged due to mutual collision or extrusion during high-speed rotation. By using the tight fit between the pressing block 4 and the positioning groove 5, the stability of the magnet 2 during rotation is ensured, preventing the magnet 2 from loosening or falling off due to centrifugal force, and improving the operation reliability and safety of the generator.

[0029] Refer to the attached Figure 2 , regarding the specific structure of the partition plate 3, the cross-section of the partition plate 3 is in a T shape. The T-shaped partition plate 3 not only provides additional support area and enhances the structural strength, but also makes the connection between the partition plate 3 and the rear plate 1 and the magnet 2 more stable, which is beneficial to resisting various forces generated during rotation and further improving the structural stability and durability. The magnet 2 and the pressing block 4 are fixed to the rear plate 1 by adhesion. The adhesion fixing method simplifies the assembly process, improves the assembly efficiency, and at the same time enhances the firmness of the connection. Compared with the mechanical fixing method, the adhesion fixing is less affected by vibration and impact, which helps to maintain the long-term stability of the structure.

[0030] Refer to the attached Figure 3The rear plate 1 is circular, and a plurality of magnets 2 are arranged around the outer edge of the rear plate 1. The circular rear plate 1 design makes the entire rotor structure more compact and balanced, which is conducive to reducing vibration and noise during rotation. At the same time, the magnets 2 arranged around the outer edge further enhance the uniformity of the magnetic field and improve the power generation efficiency.

[0031] Refer to the attached Figure 1 , Attachment Figure 2 , a mounting hole 6 for mounting the rotor shaft is provided on the rear plate 1, and the mounting hole 6 is located in the middle of the rear plate 1 and passes through the rear plate 1. The design of the mounting hole 6 enables the rotor shaft to be accurately and firmly mounted on the rear plate 1, ensuring that the rotor can stably rotate around the axis. At the same time, the design of the mounting hole 6 being located in the middle is also conducive to maintaining the balance and stability of the structure. A plurality of positioning holes 7 for connecting bearings are installed on the rear plate 1, and the plurality of positioning holes 7 are arranged around the mounting hole 6. The design of the positioning holes 7 enables the bearings to be accurately and conveniently mounted on the rear plate 1, and form a stable supporting structure with the rotor shaft. The plurality of positioning holes 7 are arranged around the mounting hole 6, which further enhances the supporting capacity and stability of the structure, and is conducive to resisting various forces and moments generated during the rotation process.

[0032] Refer to the attached Figure 2 , a counterweight hole 8 for reducing the weight of the rear plate 1 is provided on the rear plate 1. The design of the counterweight hole 8 effectively reduces the weight of the rear plate 1, thereby reducing the rotational inertia of the entire rotor, allowing the generator to be faster and more flexible during starting, acceleration and braking. At the same time, reducing weight also helps to improve the operating efficiency of the generator and reduce energy consumption. There are multiple counterweight holes 8, and the multiple counterweight holes 8 are arranged at intervals from each other. The multiple counterweight holes 8 are arranged at intervals from each other, so that the weight distribution of the rear plate 1 is more uniform, which is conducive to maintaining the balance and stability of the structure.

[0033] The counterweight holes 8 are arranged at equal intervals around the mounting holes 6. This arrangement is also conducive to improving the rigidity and strength of the rear plate 1, making the entire rotor structure more solid and durable. The rear plate 1 is provided with positioning pins 9 for fixing the partition 3. On the basis of bonding, adding the positioning pins 9 can not only increase the installation strength of the partition 3, but also further improve the fixing strength of the rear plate 1 to the magnet 2.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A generator rotor fixing structure, comprising a rear plate (1), a plurality of magnets (2) being mounted on the side of the rear plate (1), characterized in that: The plurality of magnets (2) are arranged in a ring shape and are spaced apart from each other. A partition (3) is installed between two adjacent magnets (2). A pressing block (4) is provided on a side of the partition (3) close to the magnet (2). A positioning groove (5) capable of matching with the pressing block (4) is provided on a side of the magnet (2). The pressing block (4) is pressed against the positioning groove (5).

2. The generator rotor fixing structure according to claim 1, characterized in that: The partition (3) has a T-shaped cross section.

3. The generator rotor fixing structure according to claim 1, characterized in that: The magnet (2) and the pressing block (4) are fixed on the rear plate (1) by bonding.

4. The generator rotor fixing structure according to claim 1, characterized in that: The rear plate (1) is circular in shape, and a plurality of magnets (2) are arranged around the outer edge of the rear plate (1).

5. The generator rotor fixing structure according to claim 1, characterized in that: The rear plate (1) is provided with a mounting hole (6) for mounting the rotor shaft, and the mounting hole (6) is located in the middle of the rear plate (1) and passes through the rear plate (1).

6. The generator rotor fixing structure according to claim 5, characterized in that: The rear plate (1) is provided with a plurality of positioning holes (7) for connecting bearings, and the plurality of positioning holes (7) are arranged around the mounting hole (6).

7. The generator rotor fixing structure according to claim 5, characterized in that: The rear plate (1) is provided with a counterweight hole (8) for reducing the weight of the rear plate (1).

8. The generator rotor fixing structure according to claim 7, characterized in that: A plurality of the counterweight holes (8) are provided, and the plurality of counterweight holes (8) are arranged at intervals from each other.

9. The generator rotor fixing structure according to claim 7, characterized in that: The counterweight holes (8) are arranged at equal intervals around the mounting hole (6).

10. The generator rotor fixing structure according to any one of claims 1 to 9, characterized in that: A positioning pin (9) for fixing the partition plate (3) is installed on the rear plate (1).

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