CN212033919U - Three-phase synchronous generator - Google Patents
Three-phase synchronous generator Download PDFInfo
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- CN212033919U CN212033919U CN202020583210.9U CN202020583210U CN212033919U CN 212033919 U CN212033919 U CN 212033919U CN 202020583210 U CN202020583210 U CN 202020583210U CN 212033919 U CN212033919 U CN 212033919U
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- shaft
- generator
- shaft sleeve
- compensation block
- phase synchronous
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Abstract
The utility model provides a three-phase synchronous generator. Relate to generator technical field, especially relate to the improvement to generator coupling. The three-phase synchronous generator can compensate the rotating eccentricity of the rotating shaft, has small abrasion to a coupler and has long service life. The coupling is detachably fixed on a rotating shaft of the generator body and comprises a pair of half coupling assemblies, wherein one half coupling assembly is provided with a shaft sleeve sleeved on the shaft of the generator body; at least one pair of buffer components is arranged in the shaft sleeve, if the shaft of the generator rotates in one direction, the compensation block on the side is correspondingly pushed to contract, and the compensation blocks on the other sides are pushed out, so that compensation is realized.
Description
Technical Field
The utility model relates to a generator technical field especially relates to the improvement to the generator coupling.
Background
The diesel generator set is a device which uses a diesel internal combustion engine as a prime mover to drive a generator to work to obtain electric power, wherein the diesel internal combustion engine and the generator are connected through a coupler, the existing coupler is generally a laminated coupler, and a coupler whole body formed by laminating flywheels and elastic metal layers is utilized, for example, a coupler named as the coupler of the diesel generator set (the author: Asahi, Liguang, Wangqing, Kan and Wan in bear, published in 2009 10 months in journal of coal mine machinery, Vol.30) records a metal laminated coupler, and specifically comprises metal laminated sheets, flywheels and the like, wherein the selection of the metal laminated sheets is specifically discussed, but in the practical use, the coupler finds that a certain eccentricity exists when a rotating shaft of a diesel engine rotates and a certain eccentricity also exists when the rotating shaft of the generator rotates, therefore, shaft vibration of the generator is large when the shaft coupling and the generator are linked through the shaft coupling, certain abrasion is caused to the shaft coupling, and the service life of the shaft coupling is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a three-phase synchronous generator which can compensate the rotation of a rotating shaft, has small abrasion to a coupler and long service life.
The utility model discloses a following technical scheme realizes: a three-phase synchronous generator comprises a generator body and a coupler, wherein the coupler is detachably fixed on a rotating shaft of the generator body, the coupler comprises a pair of half-coupler assemblies, and one of the half-coupler assemblies is provided with a shaft sleeve sleeved on the shaft of the generator body;
the shaft sleeve is internally provided with at least one pair of buffer assemblies, the buffer assemblies are arranged on the inner side wall of the shaft sleeve and are symmetrical by taking the axis of the shaft sleeve as a center, and the shaft of the generator body is inserted into the shaft sleeve and is arranged between the buffer assemblies and is mutually attached to the buffer assemblies.
The buffer assembly comprises a compensation block, an elastic assembly is arranged between the compensation block and the inner wall of the shaft sleeve, the elastic assembly is fixed on the lower end face of the compensation block and the inner side wall of the shaft sleeve, and the upper end face of the compensation block is fixedly connected with the rotating shaft of the generator body.
The compensating block is arranged in the accommodating groove, one end of the elastic component is fixed on the lower end face of the compensating block, and the other end of the elastic component is fixed at the bottom of the accommodating groove.
The notch of the containing groove is provided with an inward flange, the compensation block is provided with a limit groove, and the flange extends into the limit groove and slides in the limit groove.
Compared with the prior art, the utility model discloses elastic component can be spring, hydraulic shock absorber or the combination of the two, if the eccentric compensation piece shrink that then corresponding promotion this side of a direction appears in the rotation in-process of the axle of generator like this, and the compensation piece of all the other sides is then released, realizes the compensation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a coupling construction;
FIG. 3 is a schematic view of a bushing configuration;
in the figure: 1. a generator body; 2. a coupling; 21. a coupling half assembly; 22. an elastic laminate; 23. A shaft sleeve; 24. a compensation block; 25. an elastic component; 26. a containing groove; 27. a limiting groove; 28. flanging; 3. A shaft.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1-3, a three-phase synchronous generator includes a generator body 1 and a coupling 3 device, the coupling 3 device is detachably fixed on a rotating shaft 3 of the generator body 1, the coupling 3 device includes a pair of half coupling 3 device assemblies, one of the half coupling 3 device assemblies is provided with a shaft sleeve 23 for sleeving a shaft 3 of the generator body 1; an elastic lamination 22 is arranged between the pair of half shaft coupling 3 components, so that the flexibility of the shaft coupling 3 is increased, and the abrasion of the shaft coupling 3 is reduced.
Be equipped with at least a pair of buffering subassembly in the axle sleeve 23, buffering subassembly is located on the inside wall of axle sleeve 23 and with 3 lines on the axle of axle sleeve 23 are central symmetry, the axle 3 of generator body 1 inserts in the axle sleeve 23 and arrange in between the buffering subassembly, with the buffering subassembly laminates each other. Under the effect of buffering subassembly, even axle 3 also can in time be absorbed by buffering subassembly in that a small amount of eccentricities appear in the rotation process, the axle 3 of having guaranteed the generator is in same axle 3 line with the prime mover all the time, thereby the degree of yawing of the axle 3 of engine has been reduced, also reduced the wearing and tearing of shaft coupling 3 ware when having reduced the wearing and tearing of 3 bearings of axle, the life of 3 ware of extension shaft coupling, and make the alternating current wave form of generator more stable, it forms to reduce the clutter, alleviate the working strength of follow-up wave filter.
The buffer assembly comprises a compensation block 24, an elastic assembly 25 is arranged between the compensation block 24 and the inner wall of the shaft sleeve 23, the elastic assembly 25 is fixed on the lower end face of the compensation block 24 and the inner side wall of the shaft sleeve 23, and the upper end face of the compensation block 24 is fixedly connected with the rotating shaft 3 of the generator body 1. The elastic component 25 can be a spring, a hydraulic damper or a combination of the two, so that if an eccentricity in one direction occurs during the rotation of the shaft 3 of the generator, the compensation block 24 on the side is pushed to contract correspondingly, and the compensation block 24 on the other side is pushed out to realize compensation.
The inner side wall of the shaft sleeve 23 is provided with a containing groove 26, the compensation block 24 is arranged in the containing groove 26, one end of the elastic component 25 is fixed on the lower end face of the compensation block 24, and the other end of the elastic component 25 is fixed at the bottom of the containing groove 26. The elastic component 25 can be a spring, a hydraulic damper or a combination of the two, so that if an eccentricity in one direction occurs during the rotation of the shaft 3 of the generator, the compensation block 24 on the side is pushed to contract correspondingly, and the compensation block 24 on the other side is pushed out to realize compensation.
The notch of the containing groove 26 is provided with an inward flange 28, the compensating block 24 is provided with a limiting groove 27, and the flange 28 extends into the limiting groove 27 and slides in the limiting groove 27. The elastic component 25 can be a spring, a hydraulic damper or a combination of the two, so that if an eccentricity in one direction occurs during the rotation of the shaft 3 of the generator, the compensation block 24 on the side is pushed to contract correspondingly, and the compensation block 24 on the other side is pushed out to realize compensation. The flange 28 performs a limiting function to prevent the compensation block 24 from coming off.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (4)
1. The utility model provides a three-phase synchronous generator, includes generator body and shaft coupling, shaft coupling detachable fixes in generator body's the pivot, its characterized in that: the shaft coupling comprises a pair of half shaft coupling components, wherein one half shaft coupling component is provided with a shaft sleeve sleeved with a shaft of the generator body;
the shaft sleeve is internally provided with at least one pair of buffer assemblies, the buffer assemblies are arranged on the inner side wall of the shaft sleeve and are symmetrical by taking the axis of the shaft sleeve as a center, and the shaft of the generator body is inserted into the shaft sleeve and is arranged between the buffer assemblies and is mutually attached to the buffer assemblies.
2. A three-phase synchronous generator according to claim 1, characterized in that: the buffer assembly comprises a compensation block, an elastic assembly is arranged between the compensation block and the inner wall of the shaft sleeve, the elastic assembly is fixed on the lower end face of the compensation block and the inner side wall of the shaft sleeve, and the upper end face of the compensation block is fixedly connected with the rotating shaft of the generator body.
3. A three-phase synchronous generator according to claim 2, characterized in that: the compensating block is arranged in the accommodating groove, one end of the elastic component is fixed on the lower end face of the compensating block, and the other end of the elastic component is fixed at the bottom of the accommodating groove.
4. A three-phase synchronous generator according to claim 3, characterized in that: the notch of the containing groove is provided with an inward flange, the compensation block is provided with a limit groove, and the flange extends into the limit groove and slides in the limit groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020583210.9U CN212033919U (en) | 2020-04-17 | 2020-04-17 | Three-phase synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020583210.9U CN212033919U (en) | 2020-04-17 | 2020-04-17 | Three-phase synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212033919U true CN212033919U (en) | 2020-11-27 |
Family
ID=73495037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020583210.9U Active CN212033919U (en) | 2020-04-17 | 2020-04-17 | Three-phase synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212033919U (en) |
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2020
- 2020-04-17 CN CN202020583210.9U patent/CN212033919U/en active Active
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